Fix browse comfortable grid

* Remove language detection

* Ignore casing for tag detection

Co-authored-by: she11sh0cked <she11sh0cked@users.noreply.github.com>

.gitattributes

@@ -0,0 +1,24 @@
+* text=auto
+* text eol=lf
+
+# Windows forced line-endings
+/.idea/* text eol=crlf
+
+# Gradle wrapper
+*.jar binary
+
+# Images
+*.webp binary
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.ico binary
+*.gz binary
+*.zip binary
+*.7z binary
+*.ttf binary
+*.eot binary
+*.woff binary
+*.pyc binary
+*.swp binary

.github/CONTRIBUTING.md

@@ -0,0 +1,33 @@
+1. **Before reporting a new issue, take a look at the [FAQ](https://tachiyomi.org/help/faq/), the [changelog](https://github.com/inorichi/tachiyomi/releases) and the already opened [issues](https://github.com/inorichi/tachiyomi/issues).**
+2. If you are unsure, ask here: [![Discord](https://img.shields.io/discord/349436576037732353.svg)](https://discord.gg/tachiyomi)
+3. What is your type of issue?
+    * [Catalogue request](#catalogue-requests)
+    * [Bugs](#bugs)
+    * [Feature requests](#feature-requests)
+    * [Translations](https://tachiyomi.org/help/contribution/#translation)
+4. After following 1. and 3. you can [open your issue](https://github.com/inorichi/tachiyomi/issues/new)
+
+***
+
+# Catalogue requests
+
+* Catalogue requests should be created at https://github.com/inorichi/tachiyomi-extensions#readme, not here
+
+# Bugs
+* Include version (Setting > About > Version)
+ * If not latest, try updating, it may have already been solved
+ * Dev version is equal to the number of commits as seen in the main page
+* Include steps to reproduce (if not obvious from description)
+* Include screenshot (if needed)
+* If it could be device-dependent, try reproducing on another device (if possible)
+* For large logs use http://pastebin.com/ (or similar)
+* Don't group unrelated requests into one issue
+
+DO: https://github.com/inorichi/tachiyomi/issues/24 https://github.com/inorichi/tachiyomi/issues/71
+
+DON'T: https://github.com/inorichi/tachiyomi/issues/75
+
+# Feature requests
+
+* Write a detailed issue, explaining what it should do or how. Avoid writing just "like X app does"
+* Include screenshot (if needed)

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+github: inorichi
+ko_fi: inorichi

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,26 @@
+**PLEASE READ THIS**
+
+I acknowledge that:
+
+- I have updated to the latest version of the app (stable is v0.9.2)
+- I have updated all extensions
+- If this is an issue with an extension, that I should be opening an issue in https://github.com/inorichi/tachiyomi-extensions
+
+**DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT**
+
+---
+
+### Device information
+* Tachiyomi version: ?
+* Android version: ?
+* Device: ?
+
+## Steps to reproduce
+1. First step
+2. Second step
+
+## Issue/Request
+?
+
+## Other details
+Additional details and attachments.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,36 @@
+---
+name: "🐞 Bug report"
+about: Report a bug
+title: "[Bug] Write short description here"
+labels: "bug"
+---
+
+**PLEASE READ THIS**
+
+I acknowledge that:
+
+- I have updated to the latest version of the app (stable is v0.9.2)
+- I have updated all extensions
+- If this is an issue with an extension, that I should be opening an issue in https://github.com/inorichi/tachiyomi-extensions
+
+**DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT**
+
+---
+
+### Device information
+* Tachiyomi version: ?
+* Android version: ?
+* Device: ?
+
+## Steps to reproduce
+1. First step
+2. Second step
+
+### Expected behavior
+This should happen.
+
+### Actual behavior
+This happened instead.
+
+### Other details
+Additional details and attachments.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,24 @@
+---
+name: "🌟 Feature request"
+about: Suggest a feature to improve Tachiyomi
+title: "[Feature Request] Write short description here"
+labels: "feature"
+---
+
+**PLEASE READ THIS**
+
+I acknowledge that:
+
+- I have updated to the latest version of the app (stable is v0.9.2)
+- I have updated all extensions
+- If this is an issue with an extension, that I should be opening an issue in https://github.com/inorichi/tachiyomi-extensions
+
+**DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT**
+
+---
+
+### Why/User Benefit/User Problem
+(explain why this feature should be added)
+
+### What/Requirements
+(explain how this feature would behave)

.github/ISSUE_TEMPLATE/source_issue.md

@@ -0,0 +1,8 @@
+---
+name: "Extension/source/catalogue issue"
+about: "Do not open an issue here. See https://github.com/inorichi/tachiyomi-extensions"
+title: "THIS ISSUE IS IN THE WRONG REPO; SEE https://github.com/inorichi/tachiyomi-extensions"
+labels: "catalog"
+---
+
+DO NOT OPEN AN ISSUE IN THIS REPO. SEE https://github.com/inorichi/tachiyomi-extensions

.github/workflows/PullRequestTester.yml

@@ -0,0 +1,25 @@
+name: Pull Request Checker
+
+on:
+  pull_request:
+
+jobs:
+  apk:
+    name: Generate APK
+    runs-on: ubuntu-18.04
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Get NDK 
+        run: sudo ${ANDROID_HOME}/tools/bin/sdkmanager --install "ndk;20.0.5594570"
+      - name: Build Release APK
+        run: bash ./gradlew assembleDebug --stacktrace
+      - name: Upload APK
+        uses: actions/upload-artifact@v2
+        with:
+          name: TachiyomiSY-${{ github.sha }}.apk
+          path: app/build/outputs/apk/dev/debug/app-dev-debug.apk

.github/workflows/TachiyomiSY-Preview-Builder.yml

@@ -0,0 +1,31 @@
+name: Remote Dispatch Action Initiator
+ 
+on:
+  push:
+  repository_dispatch:
+ 
+jobs:
+  ping-pong:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+        with:
+          fetch-depth: '0'
+      - name: TAG - Bump version and push tag
+        uses: anothrNick/github-tag-action@1.17.2
+        if: github.event.action != 'pong'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          WITH_V: true
+          RELEASE_BRANCHES: master
+      - name: PING - Dispatch initiating repository event
+        if: github.event.action != 'pong'
+        run: |
+          curl -X POST https://api.github.com/repos/jobobby04/TachiyomiSYPreview/dispatches \
+          -H 'Accept: application/vnd.github.everest-preview+json' \
+          -u ${{ secrets.ACCESS_TOKEN }} \
+          --data '{"event_type": "ping", "client_payload": { "repository": "'"$GITHUB_REPOSITORY"'" }}'
+      - name: ACK - Acknowledge pong from remote repository
+        if: github.event.action == 'pong'
+        run: |
+          echo "PONG received from '${{ github.event.client_payload.repository }}'"

.github/workflows/issue_closer.yml

@@ -0,0 +1,13 @@
+name: Issue closer
+on: [issues]
+jobs:
+  autoclose:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Autoclose issue
+      uses: arkon/issue-closer-action@v1.0
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        issue-close-message: "@${issue.user.login} this issue was automatically closed because it was not filled in correctly or the acknowledgment section was not removed."
+        issue-title-pattern: ".*THIS ISSUE IS IN THE WRONG REPO.*"
+        issue-body-pattern: ".*DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT.*"

.gitignore

@@ -2,8 +2,22 @@
 /local.properties
 /.idea/workspace.xml
 .DS_Store
-/build
 .idea/
 *iml
 *.iml
-*/build
+/mainframer
+/.mainframer
+
+# Built files
+*/build
+/build
+*.apk
+app/**/output.json
+
+# Hebrew assets are copied on build
+app/src/main/res/values-iw/
+
+TODO.md
+CHANGELOG.md
+/captures
+build.sh

.travis.yml

@@ -1,19 +1,81 @@
+dist: trusty
 language: android
+
 android:
   components:
-    - platform-tools
     - tools
-
-    # The BuildTools version used by your project
-    - build-tools-23.0.1
-    - android-23
+    - platform-tools
+    - build-tools-29.0.3
+    - android-29
     - extra-android-m2repository
     - extra-google-m2repository
     - extra-android-support
     - extra-google-google_play_services
 
+  licenses:
+    - 'android-sdk-license-.+'
+    - 'android-sdk-preview-license-.+'
+
+before_install:
+  - yes | sdkmanager "platforms;android-29" # workaround for accepting the license
+  - if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then
+    openssl aes-256-cbc -K $encrypted_e56be693d4fd_key -iv $encrypted_e56be693d4fd_iv -in "$PWD/.travis/secrets.tar.enc" -out secrets.tar -d;
+    tar xf secrets.tar;
+    mv debug.keystore "$HOME/.android";
+    fi
+  - mkdir "$ANDROID_HOME/licenses" || true
+  - echo -e "\n24333f8a63b6825ea9c5514f83c2829b004d1fee" > "$ANDROID_HOME/licenses/android-sdk-license"
+  - echo -e "\n84831b9409646a918e30573bab4c9c91346d8abd" > "$ANDROID_HOME/licenses/android-sdk-preview-license"
+
+install:
+  - echo y | sdkmanager "ndk-bundle"
+
 before_script:
-    - chmod +x gradlew
-#Build, and run tests
-script: "./gradlew build testDebug"
-sudo: false
+  - export ANDROID_NDK_HOME=$ANDROID_HOME/ndk-bundle
+
+script: ".travis/build.sh"
+
+before_cache:
+  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
+  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+
+cache:
+  directories:
+    - "$HOME/.gradle/caches/"
+    - "$HOME/.gradle/wrapper/"
+    - "$HOME/.android/build-cache"
+
+deploy:
+  - provider: releases
+    api_key:
+      secure: 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
+    file: tachiyomi-v*.apk
+    file_glob: true
+    skip_cleanup: true
+    on:
+      tags: true
+      repo: inorichi/tachiyomi
+  - provider: script
+    script: ".travis/deploy.sh"
+    skip_cleanup: true
+    on:
+      branch: master
+      condition: "-z $TRAVIS_TAG"
+      repo: inorichi/tachiyomi
+  - provider: script
+    script: ".travis/deploy.sh"
+    skip_cleanup: true
+    on:
+      branch: dev
+      condition: "-z $TRAVIS_TAG"
+      repo: inorichi/tachiyomi
+
+env:
+  global:
+    - secure: Ita1+tzo7P5IC2yqU3KgRcXt+5DTpP0103Hx/ECYi42/7rLt+TC7PMjl2yH3Z189+tGwLq0Ol1KJ2Z5Rn3q7EaQgD0+WRkH/ijtrjKoVh7dyItIBp7yowZpA0TJHQ4EZpGSxZakKbIP4di8XMxJ2+5VzEivYUt04LCUpzugemL6b6XOfUmOZykVxV2UDAlPPggklITYBXkHUa0mwJhjS1aPPeeR3PhVXomkqfuOJOKejPXXXJope9fhAnmopHA7ISfjIrTuwDVQJqNSuco+O9kQShmlu0C8pob1vFGPEDvafaDS8SZ9A6gKT1ZfgSUqVmvDbx0WLX8XugBLrQedtZv63esOa1WUyGhgFVpeJjexlszXlhyfP1gH5QbzRr+EiSaagCyjf9II2veLAtU5cFY+nj6KBdKQsazIMRHf8SAQlWASyJYMED/N9RnUFxSf1rnLGqiY2ezjycx4ieFj7vhlbTgyao1GHjjR9cwNuntdMYWhY8+Vc7Fctmzm46xOyyz9oJGdyim76Y4w4MZvQNKeZOBAjdEgX6cXBk15scoM2Vj9ENox+MKZLaKRawXg2U1ujK+bWAQkXiVvPriv05/JtYsNUft8qAsm+69vtohDsUW7Wu0bBIKDL+v0W30ty1PpyNehBB2OquUE7fp53gitOmYl7TyuxktkMY8PXKKU=
+    - secure: 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
+    - secure: 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
+    - secure: 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
+    - secure: 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
+    - secure: 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
+    - secure: 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

CONTRIBUTING.md

@@ -1,30 +0,0 @@
-# Bugs
-* Include version (Setting > About > Version)
- * If not latest, try updating, it may have already been solved
- * Debug version is equal to the number of commits as seen in the main page
-* Include steps to reproduce (if not obvious from description)
-* Include screenshot (if needed)
-* If it could be device-dependent, try reproducing on another device (if possible),  include results and device names, OS, modifications (root, Xposed)
-* **Before reporting a new issue, take a look at the [FAQ](https://github.com/inorichi/tachiyomi/wiki/FAQ), the [changelog](https://github.com/inorichi/tachiyomi/releases) and the already opened [issues](https://github.com/inorichi/tachiyomi/issues).**
-* For large logs use http://pastebin.com/ (or similar)
-* For multipart issues use list like this:
- * [x] Done
- * [ ] Not done
-```
-* [x] Done
-* [ ] Not done
-```
-
-DO: https://github.com/inorichi/tachiyomi/issues/24 https://github.com/inorichi/tachiyomi/issues/71
-
-DON'T: https://github.com/inorichi/tachiyomi/issues/75
-
-# Feature requests
-
-* Write a detailed issue, explaning what it should do or how. Avoid writing just "like X app does"
-* Include screenshot (if needed)
-
-# Translations
-
-File `app/src/main/res/values/strings.xml` should be copied over to appropriate directories and then translated.
-Consult [Android.com](http://developer.android.com/training/basics/supporting-devices/languages.html#CreateDirs)

README.md

@@ -1,39 +1,3 @@
-[![stable release](https://img.shields.io/badge/release-v0.1.2-blue.svg)](https://github.com/inorichi/tachiyomi/releases)
-[![fdroid release](https://img.shields.io/badge/release-F--Droid-blue.svg)](https://f-droid.org/repository/browse/?fdid=eu.kanade.tachiyomi)
-[![latest debug build](https://img.shields.io/badge/debug-latest%20build-blue.svg)](http://tachiyomi.kanade.eu/latest/app-debug.apk)
+I haven't started a readme
 
-Tachiyomi is a free and open source manga reader for Android.
-
-Keep in mind it's still a beta, so expect it to crash sometimes.
-
-Before reporting a new issue, take a look at the [FAQ](https://github.com/inorichi/tachiyomi/wiki/FAQ), the [changelog](https://github.com/inorichi/tachiyomi/releases) and the already opened issues.
-
-## Features
-
-* Online and offline reading
-* Configurable reader with multiple viewers and settings
-* MyAnimeList support
-* Resume from the next unread chapter
-* Chapter filtering
-* Schedule searching for updates
-* Categories to organize your library
-
-## License
-
-    Copyright 2015 Javier Tomás
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
-
-## Disclaimer
-
-The developer of this application does not have any affiliation with the content providers available.
+Automated Preview Builds(with updater): https://github.com/jobobby04/TachiyomiSYPreview/releases

app/.gitignore

@@ -1,4 +1,6 @@
 /build
 *iml
 *.iml
-.idea
+custom.gradle
+google-services.json
+output.json

app/build.gradle

@@ -1,19 +1,23 @@
+import org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompile
+//noinspection GradleDependency
 import java.text.SimpleDateFormat
 
-apply plugin: 'android-sdk-manager'
 apply plugin: 'com.android.application'
-apply plugin: 'com.neenbedankt.android-apt'
-apply plugin: 'me.tatarka.retrolambda'
+apply plugin: 'com.google.android.gms.oss-licenses-plugin'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-kapt'
+apply plugin: 'com.github.zellius.shortcut-helper'
+// Realm (EH)
+apply plugin: 'realm-android'
 
-retrolambda {
-    jvmArgs '-noverify'
-}
+shortcutHelper.filePath = './shortcuts.xml'
 
 ext {
     // Git is needed in your system PATH for these commands to work.
     // If it's not installed, you can return a random value as a workaround
     getCommitCount = {
-        return 'git rev-list --count origin/master'.execute().text.trim()
+        return 'git rev-list --count HEAD'.execute().text.trim()
         // return "1"
     }
 
@@ -30,45 +34,83 @@ ext {
 }
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.2"
+    compileSdkVersion 29
+    buildToolsVersion '29.0.3'
     publishNonDefault true
 
     defaultConfig {
-        applicationId "eu.kanade.tachiyomi"
-        minSdkVersion 16
-        targetSdkVersion 23
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-        versionCode 4
-        versionName "0.1.3"
+        applicationId "eu.kanade.tachiyomi.sy"
+        minSdkVersion 21
+        targetSdkVersion 29
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        versionCode 1
+        versionName "0.9.2.7"
 
         buildConfigField "String", "COMMIT_COUNT", "\"${getCommitCount()}\""
         buildConfigField "String", "COMMIT_SHA", "\"${getGitSha()}\""
         buildConfigField "String", "BUILD_TIME", "\"${getBuildTime()}\""
+        buildConfigField "boolean", "INCLUDE_UPDATER", "true"
+
+        multiDexEnabled true
+
+        ndk {
+            abiFilters "armeabi-v7a", "arm64-v8a", "x86"
+        }
     }
 
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+    viewBinding {
+        enabled = true
     }
 
     buildTypes {
         debug {
+            versionNameSuffix "-${getCommitCount()}"
             applicationIdSuffix ".debug"
+            ext.enableCrashlytics = false
+        }
+        releaseTest {
+            applicationIdSuffix ".rt"
+//            minifyEnabled true
+//            shrinkResources true
+            zipAlignEnabled true
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
         release {
             minifyEnabled true
             shrinkResources true
+            zipAlignEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
 
+    flavorDimensions "default"
+
+    productFlavors {
+        standard {
+            buildConfigField "boolean", "INCLUDE_UPDATER", "true"
+            dimension "default"
+        }
+        dev {
+            resConfigs "en", "xxhdpi"
+            dimension "default"
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility 1.8
+        targetCompatibility 1.8
+    }
+
     packagingOptions {
         exclude 'META-INF/DEPENDENCIES'
         exclude 'LICENSE.txt'
         exclude 'META-INF/LICENSE'
         exclude 'META-INF/LICENSE.txt'
         exclude 'META-INF/NOTICE'
+        exclude 'META-INF/*.kotlin_module'
+
+        // Compatibility for two RxJava versions (EXH)
+        exclude 'META-INF/rxjava.properties'
     }
 
     lintOptions {
@@ -76,76 +118,257 @@ android {
         checkReleaseBuilds false
     }
 
+    compileOptions {
+        sourceCompatibility = 1.8
+        targetCompatibility = 1.8
+    }
+
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+}
+
+androidExtensions {
+    experimental = true
 }
 
 dependencies {
-    final SUPPORT_LIBRARY_VERSION = '23.1.1'
-    final DAGGER_VERSION = '2.0.2'
-    final OKHTTP_VERSION = '3.0.1'
-    final MOCKITO_VERSION = '1.10.19'
-    final STORIO_VERSION = '1.8.0'
-    final ICEPICK_VERSION = '3.1.0'
 
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile project(":SubsamplingScaleImageView")
+    // Modified dependencies
+    implementation 'com.github.inorichi:subsampling-scale-image-view:ac0dae7'
+    implementation 'com.github.inorichi:junrar-android:634c1f5'
 
-    compile "com.android.support:support-v4:$SUPPORT_LIBRARY_VERSION"
-    compile "com.android.support:appcompat-v7:$SUPPORT_LIBRARY_VERSION"
-    compile "com.android.support:cardview-v7:$SUPPORT_LIBRARY_VERSION"
-    compile "com.android.support:design:$SUPPORT_LIBRARY_VERSION"
-    compile "com.android.support:recyclerview-v7:$SUPPORT_LIBRARY_VERSION"
-    compile "com.android.support:support-annotations:$SUPPORT_LIBRARY_VERSION"
-    compile "com.android.support:percent:$SUPPORT_LIBRARY_VERSION"
-    compile "com.squareup.okhttp3:okhttp:$OKHTTP_VERSION"
-    compile "com.squareup.okhttp3:okhttp-urlconnection:$OKHTTP_VERSION"
-    compile 'com.squareup.okio:okio:1.6.0'
-    compile 'com.google.code.gson:gson:2.5'
-    compile 'com.jakewharton:disklrucache:2.0.2'
-    compile 'org.jsoup:jsoup:1.8.3'
-    compile 'io.reactivex:rxandroid:1.1.0'
-    compile 'io.reactivex:rxjava:1.1.0'
-    compile 'com.f2prateek.rx.preferences:rx-preferences:1.0.1'
-    compile "com.pushtorefresh.storio:sqlite:$STORIO_VERSION"
-    compile "com.pushtorefresh.storio:sqlite-annotations:$STORIO_VERSION"
-    compile 'info.android15.nucleus:nucleus:2.0.4'
-    compile 'de.greenrobot:eventbus:2.4.0'
-    compile 'com.github.bumptech.glide:glide:3.6.1'
-    compile 'com.jakewharton:butterknife:7.0.1'
-    compile 'com.jakewharton.timber:timber:4.1.0'
-    compile 'uk.co.ribot:easyadapter:1.5.0@aar'
-    compile 'ch.acra:acra:4.7.0'
-    compile "frankiesardo:icepick:$ICEPICK_VERSION"
-    provided "frankiesardo:icepick-processor:$ICEPICK_VERSION"
-    compile 'com.github.dmytrodanylyk.android-process-button:library:1.0.4'
-    compile 'eu.davidea:flexible-adapter:4.2.0'
-    compile 'com.nononsenseapps:filepicker:2.5.1'
-    compile 'com.github.amulyakhare:TextDrawable:558677e'
-    compile 'com.github.pwittchen:reactivenetwork:0.1.5'
+    // Android support library
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.cardview:cardview:1.0.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+    implementation 'androidx.preference:preference:1.1.1'
+    implementation 'androidx.annotation:annotation:1.1.0'
+    implementation 'androidx.browser:browser:1.2.0'
+    implementation 'androidx.multidex:multidex:2.0.1'
+    implementation 'androidx.biometric:biometric:1.0.1'
 
-    compile "com.google.dagger:dagger:$DAGGER_VERSION"
-    apt "com.google.dagger:dagger-compiler:$DAGGER_VERSION"
-    apt "com.pushtorefresh.storio:sqlite-annotations-processor:$STORIO_VERSION"
-    provided 'org.glassfish:javax.annotation:10.0-b28'
+    final lifecycle_version = '2.2.0'
+    implementation "androidx.lifecycle:lifecycle-common-java8:$lifecycle_version"
+    implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
+    implementation "androidx.lifecycle:lifecycle-runtime-ktx:$lifecycle_version"
 
-    compile('com.mikepenz:materialdrawer:4.6.4@aar') {
-        transitive = true
+    // UI library
+    implementation 'com.google.android.material:material:1.1.0'
+
+    standardImplementation 'com.google.firebase:firebase-core:17.4.1'
+
+    // ReactiveX
+    implementation 'io.reactivex:rxandroid:1.2.1'
+    implementation 'io.reactivex:rxjava:1.3.8'
+    implementation 'com.jakewharton.rxrelay:rxrelay:1.2.0'
+    implementation 'com.github.pwittchen:reactivenetwork:0.13.0'
+
+    // Network client
+    final okhttp_version = '4.7.2'
+    implementation "com.squareup.okhttp3:okhttp:$okhttp_version"
+    implementation "com.squareup.okhttp3:logging-interceptor:$okhttp_version"
+    implementation 'com.squareup.okio:okio:2.6.0'
+
+    // REST
+    final retrofit_version = '2.9.0'
+    implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
+    implementation "com.squareup.retrofit2:converter-gson:$retrofit_version"
+    implementation "com.squareup.retrofit2:adapter-rxjava:$retrofit_version"
+
+    // JSON
+    implementation 'com.google.code.gson:gson:2.8.6'
+    implementation 'com.github.salomonbrys.kotson:kotson:2.5.0'
+
+    // JavaScript engine
+    implementation 'com.squareup.duktape:duktape-android:1.2.0' // Stuck on 1.2.0 to fix MangaPlus extension
+
+    // Disk
+    implementation 'com.jakewharton:disklrucache:2.0.2'
+    implementation 'com.github.inorichi:unifile:e9ee588'
+
+    // HTML parser
+    implementation 'org.jsoup:jsoup:1.13.1'
+
+    // Job scheduling
+    final work_version = '2.3.4'
+    implementation "androidx.work:work-runtime:$work_version"
+    implementation "androidx.work:work-runtime-ktx:$work_version"
+
+    // [EXH] Android 7 SSL Workaround
+    implementation 'com.google.android.gms:play-services-safetynet:17.0.0'
+
+    // Changelog
+    implementation 'com.github.gabrielemariotti.changeloglib:changelog:2.1.0'
+
+    // Database
+    implementation 'androidx.sqlite:sqlite:2.1.0'
+    implementation 'com.github.inorichi.storio:storio-common:8be19de@aar'
+    implementation 'com.github.inorichi.storio:storio-sqlite:8be19de@aar'
+    implementation 'io.requery:sqlite-android:3.31.0'
+
+    // Preferences
+    implementation 'com.f2prateek.rx.preferences:rx-preferences:1.0.2'
+    implementation 'com.github.tfcporciuncula:flow-preferences:1.1.1'
+
+    // Model View Presenter
+    final nucleus_version = '3.0.0'
+    implementation "info.android15.nucleus:nucleus:$nucleus_version"
+    implementation "info.android15.nucleus:nucleus-support-v7:$nucleus_version"
+
+    // Dependency injection
+    implementation "com.github.inorichi.injekt:injekt-core:65b0440"
+
+    // Image library
+    final glide_version = '4.10.0'
+    implementation "com.github.bumptech.glide:glide:$glide_version"
+    implementation "com.github.bumptech.glide:okhttp3-integration:$glide_version"
+    kapt "com.github.bumptech.glide:compiler:$glide_version"
+
+    // Logging
+    implementation 'com.jakewharton.timber:timber:4.7.1'
+
+    // Crash reports
+    final acra_version = '5.5.0'
+    implementation "ch.acra:acra-http:$acra_version"
+
+    // Sort
+    implementation 'com.github.gpanther:java-nat-sort:natural-comparator-1.1'
+
+    // UI
+    implementation 'com.dmitrymalkovich.android:material-design-dimens:1.4'
+    implementation 'com.github.dmytrodanylyk.android-process-button:library:1.0.4'
+    implementation 'eu.davidea:flexible-adapter:5.1.0'
+    implementation 'eu.davidea:flexible-adapter-ui:1.0.0'
+    implementation 'com.nononsenseapps:filepicker:2.5.2'
+    implementation 'com.nightlynexus.viewstatepageradapter:viewstatepageradapter:1.1.0'
+    implementation 'com.github.mthli:Slice:v1.3'
+    implementation 'com.github.chrisbanes:PhotoView:2.3.0'
+    implementation 'com.github.carlosesco:DirectionalViewPager:a844dbca0a'
+
+    // 3.2.0+ introduces weird UI blinking or cut off issues on some devices
+    final material_dialogs_version = '3.1.1'
+    implementation "com.afollestad.material-dialogs:core:$material_dialogs_version"
+    implementation "com.afollestad.material-dialogs:input:$material_dialogs_version"
+    implementation "com.afollestad.material-dialogs:datetime:$material_dialogs_version"
+
+    // Conductor
+    implementation 'com.bluelinelabs:conductor:2.1.5'
+    implementation("com.bluelinelabs:conductor-support:2.1.5") {
+        exclude group: "com.android.support"
     }
+    implementation 'com.github.inorichi:conductor-support-preference:a32c357'
 
-    //Google material icons SVG.
-    compile 'com.mikepenz:google-material-typeface:2.1.0.1.original@aar'
+    // FlowBinding
+    final flowbinding_version = '0.11.1'
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-android:$flowbinding_version"
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-appcompat:$flowbinding_version"
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-recyclerview:$flowbinding_version"
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-swiperefreshlayout:$flowbinding_version"
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-viewpager:$flowbinding_version"
 
-    compile('com.github.afollestad.material-dialogs:core:0.8.5.3@aar') {
-        transitive = true
-    }
+    // Tests
+    testImplementation 'junit:junit:4.13'
+    testImplementation 'org.assertj:assertj-core:3.12.2'
+    testImplementation 'org.mockito:mockito-core:1.10.19'
 
+    final robolectric_version = '3.1.4'
+    testImplementation "org.robolectric:robolectric:$robolectric_version"
+    testImplementation "org.robolectric:shadows-multidex:$robolectric_version"
+    testImplementation "org.robolectric:shadows-play-services:$robolectric_version"
 
-    testCompile 'junit:junit:4.12'
-    testCompile 'org.assertj:assertj-core:2.3.0'
-    testCompile "org.mockito:mockito-core:$MOCKITO_VERSION"
-    testCompile('org.robolectric:robolectric:3.0') {
-        exclude group: 'commons-logging', module: 'commons-logging'
-        exclude group: 'org.apache.httpcomponents', module: 'httpclient'
-    }
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
 
-    androidTestApt "com.google.dagger:dagger-compiler:$DAGGER_VERSION"
+    final coroutines_version = '1.3.7'
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-reactive:$coroutines_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-rx2:$coroutines_version"
+
+    implementation 'com.google.android.gms:play-services-oss-licenses:17.0.0'
+
+    // Text distance (EH)
+    implementation 'info.debatty:java-string-similarity:1.2.1'
+
+    // Pin lock view (EH)
+    implementation 'com.github.jawnnypoo:pinlockview:2.2.0'
+
+    // Reprint (EH)
+    implementation 'com.github.ajalt.reprint:core:3.2.1@aar'
+    implementation 'com.github.ajalt.reprint:rxjava:3.2.1@aar' // optional: the RxJava 1 interface
+
+    // Swirl (EH)
+    implementation 'com.mattprecious.swirl:swirl:1.2.0'
+
+    // RxJava 2 interop for Realm (EH)
+    implementation 'com.github.akarnokd:rxjava2-interop:0.13.7'
+
+    // Firebase (EH)
+    implementation 'com.crashlytics.sdk.android:crashlytics:2.10.1'
+
+    // Better logging (EH)
+    implementation 'com.elvishew:xlog:1.6.1'
+
+    // Time utils (EH)
+    def typed_time_version = '1.0.2'
+    implementation "com.github.kizitonwose.time:time:$typed_time_version"
+    implementation "com.github.kizitonwose.time:time-android:$typed_time_version"
+
+    // Debug utils (EH)
+    debugImplementation 'com.ms-square:debugoverlay:1.1.3'
+    releaseTestImplementation 'com.ms-square:debugoverlay:1.1.3'
+    releaseImplementation 'com.ms-square:debugoverlay-no-op:1.1.3'
+    testImplementation 'com.ms-square:debugoverlay-no-op:1.1.3'
+
+    // Humanize (EH)
+    implementation 'com.github.mfornos:humanize-slim:1.2.2'
+
+    implementation 'androidx.gridlayout:gridlayout:1.0.0'
+
+    final def markwon_version = '4.1.0'
+
+    implementation "io.noties.markwon:core:$markwon_version"
+    implementation "io.noties.markwon:ext-strikethrough:$markwon_version"
+    implementation "io.noties.markwon:ext-tables:$markwon_version"
+    implementation "io.noties.markwon:html:$markwon_version"
+    implementation "io.noties.markwon:image:$markwon_version"
+    implementation "io.noties.markwon:linkify:$markwon_version"
+
+    implementation 'com.google.guava:guava:27.0.1-android'
+}
+
+buildscript {
+    ext.kotlin_version = '1.3.72'
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+repositories {
+    mavenCentral()
+}
+
+// See https://kotlinlang.org/docs/reference/experimental.html#experimental-status-of-experimental-api-markers
+tasks.withType(AbstractKotlinCompile).all {
+    kotlinOptions.freeCompilerArgs += ["-Xuse-experimental=kotlin.Experimental"]
+}
+
+// Duplicating Hebrew string assets due to some locale code issues on different devices
+task copyResources(type: Copy) {
+    from './src/main/res/values-he'
+    into './src/main/res/values-iw'
+    include '**/*'
+}
+
+preBuild.dependsOn(ktlintFormat, copyResources)
+
+if (getGradle().getStartParameter().getTaskRequests().toString().contains("Standard")) {
+    apply plugin: 'com.google.gms.google-services'
+    // Firebase (EH)
+    apply plugin: 'io.fabric'
 }

app/proguard-rules.pro

@@ -1,63 +1,37 @@
 -dontobfuscate
 
--keep class eu.kanade.tachiyomi.injection.** { *; }
+# Extensions may require methods unused in the core app
+-dontwarn eu.kanade.tachiyomi.**
+-keep class eu.kanade.tachiyomi.** { public protected private *; }
 
-# Retrolambda
--dontwarn java.lang.invoke.*
-
-# OkHttp
--keepattributes Signature
--keepattributes *Annotation*
+-keep class org.jsoup.** { *; }
+-keep class kotlin.** { *; }
 -keep class okhttp3.** { *; }
--keep interface okhttp3.** { *; }
--dontwarn okhttp3.**
--dontwarn okio.**
+-keep class com.google.gson.** { *; }
+-keep class com.github.salomonbrys.kotson.** { *; }
+-keep class com.squareup.duktape.** { *; }
 
-# Okio
--keep class sun.misc.Unsafe { *; }
--dontwarn java.nio.file.*
--dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement
--dontwarn okio.**
+# === Keep EH classes
+-keep class exh.** { *; }
+-keep class xyz.nulldev.** { *; }
 
-# ButterKnife 7
--keep class butterknife.** { *; }
--dontwarn butterknife.internal.**
--keep class **$$ViewBinder { *; }
+# === Keep RxAndroid, https://github.com/ReactiveX/RxAndroid/issues/350
+-keep class rx.android.** { *; }
 
--keepclasseswithmembernames class * {
-    @butterknife.* <fields>;
+# Design library
+-dontwarn com.google.android.material.**
+-keep class com.google.android.material.** { *; }
+-keep interface com.google.android.material.** { *; }
+-keep public class com.google.android.material.R$* { *; }
+
+-keep class com.hippo.image.** { *; }
+-keep interface com.hippo.image.** { *; }
+-keepclassmembers class * extends nucleus.presenter.Presenter {
+    <init>();
 }
 
--keepclasseswithmembernames class * {
-    @butterknife.* <methods>;
-}
-
-#Easy-Adapter v1.5.0
--keepattributes *Annotation*
--keepclassmembers class * extends uk.co.ribot.easyadapter.ItemViewHolder {
-    public <init>(...);
- }
-
-## GreenRobot EventBus specific rules ##
-# https://github.com/greenrobot/EventBus/blob/master/HOWTO.md#proguard-configuration
--keepclassmembers class ** {
-    public void onEvent*(***);
-}
-
-# Don't warn for missing support classes
--dontwarn de.greenrobot.event.util.*$Support
--dontwarn de.greenrobot.event.util.*$SupportManagerFragment
-
-# Glide specific rules #
-# https://github.com/bumptech/glide
--keep public class * implements com.bumptech.glide.module.GlideModule
--keep public enum com.bumptech.glide.load.resource.bitmap.ImageHeaderParser$** {
-    **[] $VALUES;
-    public *;
-}
 
 # RxJava 1.1.0
-
 -dontwarn sun.misc.**
 
 -keepclassmembers class rx.internal.util.unsafe.*ArrayQueue*Field* {
@@ -73,24 +47,28 @@
     rx.internal.util.atomic.LinkedQueueNode consumerNode;
 }
 
-# AppCombat
--keep public class android.support.v7.widget.** { *; }
--keep public class android.support.v7.internal.widget.** { *; }
--keep public class android.support.v7.internal.view.menu.** { *; }
+-dontnote rx.internal.util.PlatformDependent
 
--keep public class * extends android.support.v4.view.ActionProvider {
-    public <init>(android.content.Context);
-}
+# === Reactive network: https://github.com/pwittchen/ReactiveNetwork/tree/v0.12.4#proguard-configuration
+-dontwarn com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
+-dontwarn io.reactivex.functions.Function
+-dontwarn rx.internal.util.**
+-dontwarn sun.misc.Unsafe
 
-# Icepick
--dontwarn icepick.**
--keep class **$$Icepick { *; }
--keepclasseswithmembernames class * {
-    @icepick.* <fields>;
-}
+# === Okhttp: https://github.com/square/okhttp/blob/3637fc56f70f87da696847defd311dbfb28e87b5/okhttp/src/main/resources/META-INF/proguard/okhttp3.pro
+# JSR 305 annotations are for embedding nullability information.
+-dontwarn javax.annotation.**
+# A resource is loaded with a relative path so the package of this class must be preserved.
+-keepnames class okhttp3.internal.publicsuffix.PublicSuffixDatabase
+# Animal Sniffer compileOnly dependency to ensure APIs are compatible with older versions of Java.
+-dontwarn org.codehaus.mojo.animal_sniffer.*
+# OkHttp platform used only on JVM and when Conscrypt dependency is available.
+-dontwarn okhttp3.internal.platform.ConscryptPlatform
 
-## GSON 2.2.4 specific rules ##
+# === Okio: https://github.com/square/okio/tree/9b8545e7fa267c9d89753283990f24a35cd69cd6#proguard
+-dontwarn okio.**
 
+# === GSON: https://raw.githubusercontent.com/google/gson/master/examples/android-proguard-example/proguard.cfg
 # Gson uses generic type information stored in a class file when working with fields. Proguard
 # removes such information by default, so configure it to keep all of it.
 -keepattributes Signature
@@ -98,52 +76,157 @@
 # For using GSON @Expose annotation
 -keepattributes *Annotation*
 
--keepattributes EnclosingMethod
-
 # Gson specific classes
--keep class sun.misc.Unsafe { *; }
--keep class com.google.gson.stream.** { *; }
+-dontwarn sun.misc.**
+#-keep class com.google.gson.stream.** { *; }
 
-## ACRA 4.5.0 specific rules ##
+# Application classes that will be serialized/deserialized over Gson
+-keep class com.google.gson.examples.android.model.** { <fields>; }
 
-# we need line numbers in our stack traces otherwise they are pretty useless
--renamesourcefileattribute SourceFile
--keepattributes SourceFile,LineNumberTable
+# Prevent proguard from stripping interface information from TypeAdapterFactory,
+# JsonSerializer, JsonDeserializer instances (so they can be used in @JsonAdapter)
+-keep class * implements com.google.gson.TypeAdapterFactory
+-keep class * implements com.google.gson.JsonSerializer
+-keep class * implements com.google.gson.JsonDeserializer
 
-# ACRA needs "annotations" so add this...
+# Prevent R8 from leaving Data object members always null
+-keepclassmembers,allowobfuscation class * {
+  @com.google.gson.annotations.SerializedName <fields>;
+}
+
+# == Nucleus
+-keepclassmembers class * extends nucleus.presenter.Presenter {
+    <init>();
+}
+
+# TODO Changeloglib? Does it need proguard?
+
+# === Injekt
+## From original config: "Attempt to fix: java.lang.NoClassDefFoundError: uy.kohesive.injekt.registry.default.DefaultRegistrar$NOKEY$1"
+-keep class uy.kohesive.injekt.** { *; }
+
+
+# === Glide
+-keep public class * implements com.bumptech.glide.module.GlideModule
+-keep public class * extends com.bumptech.glide.module.AppGlideModule
+-keep public enum com.bumptech.glide.load.ImageHeaderParser$** {
+  **[] $VALUES;
+  public *;
+}
+
+-dontwarn com.bumptech.glide.load.resource.bitmap.VideoDecoder
+
+# === Glide-transformations: https://github.com/wasabeef/glide-transformations/blob/3aa8e53c6a51b8351d312f802ba1354c5b115168/transformations/proguard-rules.txt
+-dontwarn jp.co.cyberagent.android.gpuimage.**
+
+# === Conductor
+# This isn't in the consumer proguard rules yet: https://github.com/bluelinelabs/Conductor/pull/550/files
+-keepclassmembers public class * extends com.bluelinelabs.conductor.ControllerChangeHandler {
+   public <init>();
+}
+
+# === RxBinding
+-dontwarn com.google.auto.value.AutoValue
+
+# === Crashlytics
 -keepattributes *Annotation*
+-keepattributes SourceFile,LineNumberTable
+-keep class com.crashlytics.** { *; }
+-dontwarn com.crashlytics.**
 
-# keep this class so that logging will show 'ACRA' and not a obfuscated name like 'a'.
-# Note: if you are removing log messages elsewhere in this file then this isn't necessary
--keep class org.acra.ACRA {
-	*;
+# === Humanize + Guava: https://github.com/google/guava/wiki/UsingProGuardWithGuava
+-dontwarn javax.lang.model.element.Modifier
+-keep class org.ocpsoft.prettytime.i18n.**
+
+# Note: We intentionally don't add the flags we'd need to make Enums work.
+# That's because the Proguard configuration required to make it work on
+# optimized code would preclude lots of optimization, like converting enums
+# into ints.
+
+# Throwables uses internal APIs for lazy stack trace resolution
+-dontnote sun.misc.SharedSecrets
+-keep class sun.misc.SharedSecrets {
+  *** getJavaLangAccess(...);
+}
+-dontnote sun.misc.JavaLangAccess
+-keep class sun.misc.JavaLangAccess {
+  *** getStackTraceElement(...);
+  *** getStackTraceDepth(...);
 }
 
-# keep this around for some enums that ACRA needs
--keep class org.acra.ReportingInteractionMode {
-    *;
+# FinalizableReferenceQueue calls this reflectively
+# Proguard is intelligent enough to spot the use of reflection onto this, so we
+# only need to keep the names, and allow it to be stripped out if
+# FinalizableReferenceQueue is unused.
+-keepnames class com.google.common.base.internal.Finalizer {
+  *** startFinalizer(...);
+}
+# However, it cannot "spot" that this method needs to be kept IF the class is.
+-keepclassmembers class com.google.common.base.internal.Finalizer {
+  *** startFinalizer(...);
+}
+-keepnames class com.google.common.base.FinalizableReference {
+  void finalizeReferent();
+}
+-keepclassmembers class com.google.common.base.FinalizableReference {
+  void finalizeReferent();
 }
 
--keepnames class org.acra.sender.HttpSender$** {
-    *;
+# Striped64, LittleEndianByteArray, UnsignedBytes, AbstractFuture
+-dontwarn sun.misc.Unsafe
+
+# Striped64 appears to make some assumptions about object layout that
+# really might not be safe. This should be investigated.
+-keepclassmembers class com.google.common.cache.Striped64 {
+  *** base;
+  *** busy;
+}
+-keepclassmembers class com.google.common.cache.Striped64$Cell {
+  <fields>;
 }
 
--keepnames class org.acra.ReportField {
-    *;
+-dontwarn java.lang.SafeVarargs
+
+-keep class java.lang.Throwable {
+  *** addSuppressed(...);
 }
 
-# keep this otherwise it is removed by ProGuard
--keep public class org.acra.ErrorReporter {
-    public void addCustomData(java.lang.String,java.lang.String);
-    public void putCustomData(java.lang.String,java.lang.String);
-    public void removeCustomData(java.lang.String);
+# Futures.getChecked, in both of its variants, is incompatible with proguard.
+
+# Used by AtomicReferenceFieldUpdater and sun.misc.Unsafe
+-keepclassmembers class com.google.common.util.concurrent.AbstractFuture** {
+  *** waiters;
+  *** value;
+  *** listeners;
+  *** thread;
+  *** next;
+}
+-keepclassmembers class com.google.common.util.concurrent.AtomicDouble {
+  *** value;
+}
+-keepclassmembers class com.google.common.util.concurrent.AggregateFutureState {
+  *** remaining;
+  *** seenExceptions;
 }
 
-# keep this otherwise it is removed by ProGuard
--keep public class org.acra.ErrorReporter {
-    public void handleSilentException(java.lang.Throwable);
+# Since Unsafe is using the field offsets of these inner classes, we don't want
+# to have class merging or similar tricks applied to these classes and their
+# fields. It's safe to allow obfuscation, since the by-name references are
+# already preserved in the -keep statement above.
+-keep,allowshrinking,allowobfuscation class com.google.common.util.concurrent.AbstractFuture** {
+  <fields>;
 }
 
-# Keep the support library
--keep class org.acra.** { *; }
--keep interface org.acra.** { *; }
+# Futures.getChecked (which often won't work with Proguard anyway) uses this. It
+# has a fallback, but again, don't use Futures.getChecked on Android regardless.
+-dontwarn java.lang.ClassValue
+
+# MoreExecutors references AppEngine
+-dontnote com.google.appengine.api.ThreadManager
+-keep class com.google.appengine.api.ThreadManager {
+  static *** currentRequestThreadFactory(...);
+}
+-dontnote com.google.apphosting.api.ApiProxy
+-keep class com.google.apphosting.api.ApiProxy {
+  static *** getCurrentEnvironment (...);
+}

app/shortcuts.xml

@@ -0,0 +1,47 @@
+<shortcuts xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <shortcut
+        android:enabled="true"
+        android:icon="@drawable/sc_collections_bookmark_48dp"
+        android:shortcutDisabledMessage="@string/app_not_available"
+        android:shortcutId="show_library"
+        android:shortcutLongLabel="@string/label_library"
+        android:shortcutShortLabel="@string/label_library">
+        <intent
+            android:action="eu.kanade.tachiyomi.SHOW_LIBRARY"
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
+    </shortcut>
+    <shortcut
+        android:enabled="true"
+        android:icon="@drawable/sc_new_releases_48dp"
+        android:shortcutDisabledMessage="@string/app_not_available"
+        android:shortcutId="show_recently_updated"
+        android:shortcutLongLabel="@string/label_recent_updates"
+        android:shortcutShortLabel="@string/short_recent_updates">
+        <intent
+            android:action="eu.kanade.tachiyomi.SHOW_RECENTLY_UPDATED"
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
+    </shortcut>
+    <shortcut
+        android:enabled="true"
+        android:icon="@drawable/sc_history_48dp"
+        android:shortcutDisabledMessage="@string/app_not_available"
+        android:shortcutId="show_recently_read"
+        android:shortcutLongLabel="@string/label_recent_manga"
+        android:shortcutShortLabel="@string/label_recent_manga">
+        <intent
+            android:action="eu.kanade.tachiyomi.SHOW_RECENTLY_READ"
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
+    </shortcut>
+    <shortcut
+        android:enabled="true"
+        android:icon="@drawable/sc_explore_48dp"
+        android:shortcutDisabledMessage="@string/app_not_available"
+        android:shortcutId="show_catalogues"
+        android:shortcutLongLabel="@string/browse"
+        android:shortcutShortLabel="@string/browse">
+        <intent
+            android:action="eu.kanade.tachiyomi.SHOW_CATALOGUES"
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
+    </shortcut>
+</shortcuts>

app/src/debug/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,97 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportWidth="108.0"
+        android:viewportHeight="108.0">
+    <path
+        android:pathData="M14.5,7L86.5,7A7,7 0,0 1,93.5 14L93.5,95A7,7 0,0 1,86.5 102L14.5,102A7,7 0,0 1,7.5 95L7.5,14A7,7 0,0 1,14.5 7z"
+        android:fillType="evenOdd"
+        android:fillColor="#000"/>
+    <path
+        android:pathData="M14.5,7L86.5,7A7,7 0,0 1,93.5 14L93.5,95A7,7 0,0 1,86.5 102L14.5,102A7,7 0,0 1,7.5 95L7.5,14A7,7 0,0 1,14.5 7z"
+        android:fillType="evenOdd"
+        android:fillColor="#455A64"/>
+    <path
+        android:pathData="M7.5,12.01C7.5,9.24 9.74,7 12.5,7L17.5,7L17.5,102L12.5,102C9.74,102 7.5,99.77 7.5,96.99L7.5,12.01Z"
+        android:fillType="evenOdd"
+        android:fillColor="#607D8B"/>
+    <path
+        android:name="path_3"
+        android:pathData="M 54 54.5 M 28.5 54.5 C 28.5 47.74 31.188 41.249 35.969 36.469 C 40.749 31.688 47.24 29 54 29 C 60.76 29 67.251 31.688 72.031 36.469 C 76.812 41.249 79.5 47.74 79.5 54.5 C 79.5 61.26 76.812 67.751 72.031 72.531 C 67.251 77.312 60.76 80 54 80 C 47.24 80 40.749 77.312 35.969 72.531 C 31.188 67.751 28.5 61.26 28.5 54.5"
+        android:fillColor="#000"
+        android:fillType="evenOdd"/>
+    <path
+        android:name="path_4"
+        android:pathData="M 54 54.5 M 28.5 54.5 C 28.5 47.74 31.188 41.249 35.969 36.469 C 40.749 31.688 47.24 29 54 29 C 60.76 29 67.251 31.688 72.031 36.469 C 76.812 41.249 79.5 47.74 79.5 54.5 C 79.5 61.26 76.812 67.751 72.031 72.531 C 67.251 77.312 60.76 80 54 80 C 47.24 80 40.749 77.312 35.969 72.531 C 31.188 67.751 28.5 61.26 28.5 54.5"
+        android:fillColor="#CE2828"
+        android:fillType="evenOdd"/>
+    <path
+        android:name="path_5"
+        android:pathData="M 54 54.5 M 34.06 54.5 C 33.964 50.23 35.243 46.04 37.707 42.551 C 40.171 39.062 43.692 36.455 47.748 35.117 C 51.805 33.779 56.185 33.779 60.242 35.117 C 64.298 36.455 67.819 39.062 70.283 42.551 C 72.747 46.04 74.026 50.23 73.93 54.5 C 74.026 58.77 72.747 62.96 70.283 66.449 C 67.819 69.938 64.298 72.545 60.242 73.883 C 56.185 75.221 51.805 75.221 47.748 73.883 C 43.692 72.545 40.171 69.938 37.707 66.449 C 35.243 62.96 33.964 58.77 34.06 54.5"
+        android:fillColor="#FFF"
+        android:fillType="evenOdd"/>
+    <path
+        android:name="path_6"
+        android:pathData="M 54.174 36.266 C 64.147 36.266 72.234 44.397 72.234 54.426 C 72.234 64.459 64.147 72.593 54.174 72.593 C 44.197 72.593 36.113 64.459 36.113 54.426 C 36.113 44.397 44.197 36.266 54.174 36.266 Z"
+        android:fillColor="#ffcc4d"
+        android:strokeColor="#ffcc4d"
+        android:strokeWidth="4.628571428571428"
+        android:strokeLineCap="round"
+        android:strokeLineJoin="round"/>
+    <path
+        android:name="path_7"
+        android:pathData="M 48.774 45.158 C 49.988 45.158 50.973 46.452 50.973 48.05 C 50.973 49.65 49.988 50.946 48.774 50.946 C 47.559 50.946 46.576 49.65 46.576 48.05 C 46.576 46.452 47.559 45.158 48.774 45.158 Z"
+        android:fillColor="#674600"
+        android:strokeColor="#674600"
+        android:strokeWidth="0.1"
+        android:strokeLineJoin="round"/>
+    <path
+        android:name="path_8"
+        android:pathData="M 62.02 45.158 C 63.235 45.158 64.219 46.452 64.219 48.05 C 64.219 49.65 63.235 50.946 62.02 50.946 C 60.805 50.946 59.821 49.65 59.821 48.05 C 59.821 46.452 60.805 45.158 62.02 45.158 Z"
+        android:fillColor="#674600"
+        android:strokeColor="#674600"
+        android:strokeWidth="0.1"
+        android:strokeLineJoin="round"/>
+    <path
+        android:name="path_9"
+        android:pathData="M 44.687 42.102 C 44.687 42.102 48.404 40.049 53.119 42.102"
+        android:strokeColor="#674600"
+        android:strokeWidth="2"
+        android:strokeLineCap="round"
+        android:strokeLineJoin="round"
+        android:fillType="evenOdd"/>
+    <path
+        android:name="path_10"
+        android:pathData="M 58.035 42.102 C 58.035 42.102 61.751 40.049 66.465 42.102"
+        android:strokeColor="#674600"
+        android:strokeWidth="2"
+        android:strokeLineCap="round"
+        android:strokeLineJoin="round"
+        android:fillType="evenOdd"/>
+    <path
+        android:name="path_11"
+        android:pathData="M 49.191 56.685 C 49.191 56.685 51.703 59.685 56.992 59.685"
+        android:strokeColor="#674600"
+        android:strokeWidth="2"
+        android:strokeLineCap="round"
+        android:strokeLineJoin="round"
+        android:fillType="evenOdd"/>
+    <path
+        android:name="path_12"
+        android:pathData="M 34.072 67.511 C 34.072 67.511 34.524 66.248 37.476 63.634 C 37.476 63.634 39.143 61.991 37.876 58.114 C 37.876 58.114 37.534 56.06 39.681 57.255 C 39.681 57.255 44.129 60.46 40.871 65 C 40.871 65 40.241 66.117 41.652 65.78 L 53.939 63.103 C 53.939 63.103 55.275 62.752 55.535 64.163 C 55.535 64.163 55.696 65.372 54.641 65.672 L 47.742 67.378 C 47.742 67.378 50.72 69.597 47.742 70.825 C 47.742 70.825 50.294 72.779 47.336 74.268 C 47.336 74.268 49.276 76.015 46.407 77.019 C 46.407 77.019 42.525 78.474 39.209 77.831 C 35.509 77.103 31.947 72.114 34.072 67.511 Z"
+        android:fillColor="#f4900c"
+        android:strokeColor="#f4900c"
+        android:strokeLineCap="round"
+        android:strokeLineJoin="round"
+        android:strokeWidth="0.1"
+        android:fillType="evenOdd"/>
+    <path
+        android:name="path_13"
+        android:pathData="M 56.182 67.511 C 56.182 67.511 56.633 66.248 59.585 63.634 C 59.585 63.634 61.253 61.991 59.985 58.114 C 59.985 58.114 59.642 56.06 61.789 57.255 C 61.789 57.255 66.239 60.46 62.98 65 C 62.98 65 62.351 66.117 63.761 65.78 L 76.066 63.103 C 76.066 63.103 77.386 62.752 77.641 64.163 C 77.641 64.163 77.812 65.372 76.746 65.672 L 69.85 67.378 C 69.85 67.378 72.829 69.597 69.85 70.825 C 69.85 70.825 72.404 72.779 69.446 74.268 C 69.446 74.268 71.387 76.015 68.516 77.019 C 68.516 77.019 64.633 78.474 61.317 77.831 C 57.618 77.103 54.057 72.114 56.182 67.511 Z"
+        android:fillColor="#f4900c"
+        android:strokeColor="#f4900c"
+        android:strokeLineCap="round"
+        android:strokeLineJoin="round"
+        android:strokeWidth="0.1"
+        android:fillType="evenOdd"/>
+</vector>

app/src/debug/res/drawable/ic_migrate_direction.xml

@@ -0,0 +1,6 @@
+<vector android:height="100dp"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="100dp" xmlns:android="http://schemas.android.com/apk/res/android"
+    android:tint="?attr/colorControlNormal">
+    <path android:fillColor="@android:color/white" android:pathData="M7,10l5,5 -5,5z"/>
+</vector>

app/src/debug/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@android:color/transparent"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/debug/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@android:color/transparent"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/AndroidManifest.xml

@@ -1,85 +1,312 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="eu.kanade.tachiyomi" >
+    xmlns:tools="http://schemas.android.com/tools"
+    package="eu.kanade.tachiyomi">
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
-    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
+    <uses-permission android:name="android.permission.REQUEST_DELETE_PACKAGES" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
+    <uses-permission android:name="android.permission.USE_FINGERPRINT" />
+    <uses-permission android:name="android.permission.GET_TASKS" />
+    <uses-permission
+        android:name="android.permission.PACKAGE_USAGE_STATS"
+        tools:ignore="ProtectedPermissions" />
+    <!-- Lock vibrate -->
+    <uses-permission android:name="android.permission.VIBRATE" />
 
     <application
         android:name=".App"
         android:allowBackup="true"
+        android:fullBackupContent="@xml/backup_rules"
+        android:hardwareAccelerated="true"
+        android:hasFragileUserData="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
-        android:hardwareAccelerated="true"
-        android:theme="@style/AppTheme" >
+        android:largeHeap="true"
+        android:requestLegacyExternalStorage="true"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:networkSecurityConfig="@xml/network_security_config"
+        android:theme="@style/Theme.Tachiyomi.Light"
+        android:usesCleartextTraffic="true">
         <activity
-            android:name=".ui.main.MainActivity">
+            android:name=".ui.main.MainActivity"
+            android:launchMode="singleTop"
+            android:theme="@style/Theme.Splash">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
+            <!--suppress AndroidDomInspection -->
+            <meta-data
+                android:name="android.app.shortcuts"
+                android:resource="@xml/shortcuts" />
         </activity>
         <activity
-            android:name=".ui.manga.MangaActivity"
-            android:parentActivityName=".ui.main.MainActivity" >
+            android:name=".ui.main.ForceCloseActivity"
+            android:clearTaskOnLaunch="true"
+            android:noHistory="true"
+            android:theme="@android:style/Theme.NoDisplay" />
+        <activity
+            android:name=".ui.main.DeepLinkActivity"
+            android:launchMode="singleTask"
+            android:theme="@android:style/Theme.NoDisplay">
+            <intent-filter>
+                <action android:name="android.intent.action.SEARCH" />
+                <action android:name="com.google.android.gms.actions.SEARCH_ACTION" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="eu.kanade.tachiyomi.SEARCH" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+
+            <meta-data
+                android:name="android.app.searchable"
+                android:resource="@xml/searchable" />
         </activity>
         <activity
             android:name=".ui.reader.ReaderActivity"
-            android:parentActivityName=".ui.manga.MangaActivity">
-            <meta-data
-                android:name="android.support.PARENT_ACTIVITY"
-                android:value=".ui.manga.MangaActivity" />
-        </activity>
+            android:launchMode="singleTask" />
         <activity
-            android:name=".ui.setting.SettingsActivity"
-            android:label="@string/label_settings"
-            android:parentActivityName=".ui.main.MainActivity" >
-        </activity>
+            android:name=".ui.security.BiometricUnlockActivity"
+            android:theme="@style/Theme.Splash" />
         <activity
-            android:name=".ui.library.category.CategoryActivity"
-            android:label="@string/label_categories"
-            android:parentActivityName=".ui.main.MainActivity">
-        </activity>
-
+            android:name=".ui.webview.WebViewActivity"
+            android:configChanges="uiMode|orientation|screenSize" />
         <activity
-            android:name=".ui.setting.SettingsDownloadsFragment$CustomLayoutPickerActivity"
+            android:name=".widget.CustomLayoutPickerActivity"
             android:label="@string/app_name"
-            android:theme="@style/FilePickerTheme">
+            android:theme="@style/FilePickerTheme" />
+        <activity
+            android:name=".ui.setting.track.AnilistLoginActivity"
+            android:label="Anilist">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:host="anilist-auth"
+                    android:scheme="tachiyomi" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".ui.setting.track.ShikimoriLoginActivity"
+            android:label="Shikimori">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:host="shikimori-auth"
+                    android:scheme="tachiyomi" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".ui.setting.track.BangumiLoginActivity"
+            android:label="Bangumi">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:host="bangumi-auth"
+                    android:scheme="tachiyomi" />
+            </intent-filter>
         </activity>
 
-        <service android:name=".data.sync.LibraryUpdateService"
-            android:exported="false"/>
+        <activity
+            android:name=".extension.util.ExtensionInstallActivity"
+            android:theme="@android:style/Theme.Translucent.NoTitleBar" />
 
-        <service android:name=".data.download.DownloadService"
-            android:exported="false"/>
+        <activity
+            android:name="com.google.android.gms.oss.licenses.OssLicensesMenuActivity"
+            android:theme="@style/Theme.MaterialComponents" />
+        <activity
+            android:name="com.google.android.gms.oss.licenses.OssLicensesActivity"
+            android:theme="@style/Theme.MaterialComponents" />
 
-        <service android:name=".data.sync.UpdateMangaSyncService"
-            android:exported="false"/>
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.provider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/provider_paths" />
+        </provider>
 
         <receiver
-            android:name=".data.sync.LibraryUpdateService$SyncOnConnectionAvailable"
-            android:enabled="false">
+            android:name=".data.notification.NotificationReceiver"
+            android:exported="false" />
+
+        <service
+            android:name=".data.library.LibraryUpdateService"
+            android:exported="false" />
+
+        <service
+            android:name=".data.download.DownloadService"
+            android:exported="false" />
+
+        <service
+            android:name=".data.updater.UpdaterService"
+            android:exported="false" />
+
+        <service
+            android:name=".data.backup.BackupCreateService"
+            android:exported="false" />
+
+        <service
+            android:name=".data.backup.BackupRestoreService"
+            android:exported="false" />
+
+        <!-- EH -->
+        <service
+            android:name="exh.eh.EHentaiUpdateWorker"
+            android:permission="android.permission.BIND_JOB_SERVICE"
+            android:exported="true" />
+        <activity
+            android:name="exh.ui.intercept.InterceptActivity"
+            android:label="TachiyomiEH"
+            android:theme="@style/Theme.EHActivity">
             <intent-filter>
-                <action android:name="android.net.conn.CONNECTIVITY_CHANGE" />
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <!-- EH -->
+                <data
+                    android:host="g.e-hentai.org"
+                    android:pathPrefix="/g/"
+                    android:scheme="http" />
+                <data
+                    android:host="g.e-hentai.org"
+                    android:pathPrefix="/g/"
+                    android:scheme="https" />
+                <data
+                    android:host="e-hentai.org"
+                    android:pathPrefix="/g/"
+                    android:scheme="http" />
+                <data
+                    android:host="e-hentai.org"
+                    android:pathPrefix="/g/"
+                    android:scheme="https" />
+
+                <!-- EXH -->
+                <data
+                    android:host="exhentai.org"
+                    android:pathPrefix="/g/"
+                    android:scheme="http" />
+                <data
+                    android:host="exhentai.org"
+                    android:pathPrefix="/g/"
+                    android:scheme="https" />
+
+                <!-- nhentai -->
+                <data
+                    android:host="nhentai.net"
+                    android:pathPrefix="/g/"
+                    android:scheme="http" />
+                <data
+                    android:host="nhentai.net"
+                    android:pathPrefix="/g/"
+                    android:scheme="https" />
+
+                <!-- Perv Eden -->
+                <data
+                    android:host="www.perveden.com"
+                    android:pathPattern="/.*/.*-manga/.*"
+                    android:scheme="http" />
+                <data
+                    android:host="www.perveden.com"
+                    android:pathPattern="/.*/.*-manga/.*"
+                    android:scheme="https" />
+
+                <!-- Hentai Cafe -->
+                <data
+                    android:host="hentai.cafe"
+                    android:pathPattern="/.*/.*"
+                    android:scheme="http" />
+                <data
+                    android:host="hentai.cafe"
+                    android:pathPattern="/.*/.*"
+                    android:scheme="https" />
+
+                <!-- Tsumino -->
+                <data
+                    android:host="www.tsumino.com"
+                    android:pathPrefix="/Book/Info/"
+                    android:scheme="http" />
+                <data
+                    android:host="www.tsumino.com"
+                    android:pathPrefix="/Book/Info/"
+                    android:scheme="https" />
+                <data
+                    android:host="www.tsumino.com"
+                    android:pathPrefix="/Read/View/"
+                    android:scheme="http" />
+                <data
+                    android:host="www.tsumino.com"
+                    android:pathPrefix="/Read/View/"
+                    android:scheme="https" />
+
+                 <!-- Hitomi.la -->
+                <data
+                    android:host="hitomi.la"
+                    android:pathPrefix="/galleries/"
+                    android:scheme="http" />
+                <data
+                    android:host="hitomi.la"
+                    android:pathPrefix="/reader/"
+                    android:scheme="http" />
+                <data
+                    android:host="hitomi.la"
+                    android:pathPrefix="/galleries/"
+                    android:scheme="https" />
+                <data
+                    android:host="hitomi.la"
+                    android:pathPrefix="/reader/"
+                    android:scheme="https" />
+
+                <!-- Pururin.io -->
+                <data
+                    android:host="pururin.io"
+                    android:pathPrefix="/gallery/"
+                    android:scheme="http" />
+                <data
+                    android:host="pururin.io"
+                    android:pathPrefix="/gallery/"
+                    android:scheme="https" />
+
+                <!-- HBrowse -->
+                <data
+                    android:host="www.hbrowse.com"
+                    android:pathPrefix="/"
+                    android:scheme="http" />
+                <data
+                    android:host="www.hbrowse.com"
+                    android:pathPrefix="/"
+                    android:scheme="https" />
             </intent-filter>
-        </receiver>
-
-        <receiver
-            android:name=".data.sync.LibraryUpdateAlarm">
-            <intent-filter>
-                <action android:name="android.intent.action.BOOT_COMPLETED"/>
-                <action android:name="eu.kanade.UPDATE_LIBRARY" />
-            </intent-filter>
-        </receiver>
-
-        <meta-data
-            android:name="eu.kanade.tachiyomi.data.cache.CoverGlideModule"
-            android:value="GlideModule" />
-
+        </activity>
+        <activity
+            android:name="exh.ui.captcha.BrowserActionActivity"
+            android:theme="@style/Theme.EHActivity" />
     </application>
 
 </manifest>

app/src/main/java/eu/kanade/tachiyomi/App.java

@@ -1,57 +0,0 @@
-package eu.kanade.tachiyomi;
-
-import android.app.Application;
-import android.content.Context;
-
-import org.acra.ACRA;
-import org.acra.annotation.ReportsCrashes;
-
-import eu.kanade.tachiyomi.injection.ComponentReflectionInjector;
-import eu.kanade.tachiyomi.injection.component.AppComponent;
-import eu.kanade.tachiyomi.injection.component.DaggerAppComponent;
-import eu.kanade.tachiyomi.injection.module.AppModule;
-import timber.log.Timber;
-
-@ReportsCrashes(
-        formUri = "http://tachiyomi.kanade.eu/crash_report",
-        reportType = org.acra.sender.HttpSender.Type.JSON,
-        httpMethod = org.acra.sender.HttpSender.Method.PUT,
-        excludeMatchingSharedPreferencesKeys={".*username.*",".*password.*"}
-)
-public class App extends Application {
-
-    AppComponent applicationComponent;
-    ComponentReflectionInjector<AppComponent> componentInjector;
-
-    @Override
-    public void onCreate() {
-        super.onCreate();
-        if (BuildConfig.DEBUG) Timber.plant(new Timber.DebugTree());
-
-        applicationComponent = DaggerAppComponent.builder()
-                .appModule(new AppModule(this))
-                .build();
-
-        componentInjector =
-                new ComponentReflectionInjector<>(AppComponent.class, applicationComponent);
-
-        ACRA.init(this);
-    }
-
-    public static App get(Context context) {
-        return (App) context.getApplicationContext();
-    }
-
-    public AppComponent getComponent() {
-        return applicationComponent;
-    }
-
-    public ComponentReflectionInjector<AppComponent> getComponentReflection() {
-        return componentInjector;
-    }
-
-    // Needed to replace the component with a test specific one
-    public void setComponent(AppComponent applicationComponent) {
-        this.applicationComponent = applicationComponent;
-    }
-}

app/src/main/java/eu/kanade/tachiyomi/App.kt

@@ -0,0 +1,216 @@
+package eu.kanade.tachiyomi
+
+import android.app.Application
+import android.content.Context
+import android.content.res.Configuration
+import android.graphics.Color
+import android.os.Build
+import android.os.Environment
+import android.widget.Toast
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleObserver
+import androidx.lifecycle.OnLifecycleEvent
+import androidx.lifecycle.ProcessLifecycleOwner
+import androidx.multidex.MultiDex
+import com.elvishew.xlog.LogConfiguration
+import com.elvishew.xlog.LogLevel
+import com.elvishew.xlog.XLog
+import com.elvishew.xlog.printer.AndroidPrinter
+import com.elvishew.xlog.printer.Printer
+import com.elvishew.xlog.printer.file.FilePrinter
+import com.elvishew.xlog.printer.file.backup.NeverBackupStrategy
+import com.elvishew.xlog.printer.file.clean.FileLastModifiedCleanStrategy
+import com.elvishew.xlog.printer.file.naming.DateFileNameGenerator
+import com.google.android.gms.common.GooglePlayServicesNotAvailableException
+import com.google.android.gms.common.GooglePlayServicesRepairableException
+import com.google.android.gms.security.ProviderInstaller
+import com.kizitonwose.time.days
+import com.ms_square.debugoverlay.DebugOverlay
+import com.ms_square.debugoverlay.modules.FpsModule
+import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.ui.main.ForceCloseActivity
+import eu.kanade.tachiyomi.ui.security.SecureActivityDelegate
+import eu.kanade.tachiyomi.util.system.LocaleHelper
+import eu.kanade.tachiyomi.util.system.WebViewUtil
+import eu.kanade.tachiyomi.util.system.toast
+import exh.debug.DebugToggles
+import exh.log.CrashlyticsPrinter
+import exh.log.EHDebugModeOverlay
+import exh.log.EHLogLevel
+import io.realm.Realm
+import io.realm.RealmConfiguration
+import java.io.File
+import java.security.NoSuchAlgorithmException
+import javax.net.ssl.SSLContext
+import kotlin.concurrent.thread
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import timber.log.Timber
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.InjektScope
+import uy.kohesive.injekt.injectLazy
+import uy.kohesive.injekt.registry.default.DefaultRegistrar
+
+open class App : Application(), LifecycleObserver {
+
+    override fun onCreate() {
+        super.onCreate()
+        if (BuildConfig.DEBUG) Timber.plant(Timber.DebugTree())
+        setupExhLogging() // EXH logging
+
+        workaroundAndroid7BrokenSSL()
+
+        // Enforce WebView availability
+        if (!WebViewUtil.supportsWebView(this)) {
+            toast(R.string.information_webview_required, Toast.LENGTH_LONG)
+            ForceCloseActivity.closeApp(this)
+        }
+
+        Injekt = InjektScope(DefaultRegistrar())
+        Injekt.importModule(AppModule(this))
+
+        setupNotificationChannels()
+        GlobalScope.launch { deleteOldMetadataRealm() } // Delete old metadata DB (EH)
+        // Reprint.initialize(this) //Setup fingerprint (EH)
+        if ((BuildConfig.DEBUG || BuildConfig.BUILD_TYPE == "releaseTest") && DebugToggles.ENABLE_DEBUG_OVERLAY.enabled) {
+            setupDebugOverlay()
+        }
+
+        LocaleHelper.updateConfiguration(this, resources.configuration)
+
+        ProcessLifecycleOwner.get().lifecycle.addObserver(this)
+    }
+
+    override fun attachBaseContext(base: Context) {
+        super.attachBaseContext(base)
+        MultiDex.install(this)
+    }
+
+    override fun onConfigurationChanged(newConfig: Configuration) {
+        super.onConfigurationChanged(newConfig)
+        LocaleHelper.updateConfiguration(this, newConfig, true)
+    }
+
+    private fun workaroundAndroid7BrokenSSL() {
+        if (Build.VERSION.SDK_INT == Build.VERSION_CODES.N ||
+            Build.VERSION.SDK_INT == Build.VERSION_CODES.N_MR1
+        ) {
+            try {
+                SSLContext.getInstance("TLSv1.2")
+            } catch (e: NoSuchAlgorithmException) {
+                XLog.e("Could not install Android 7 broken SSL workaround!", e)
+            }
+
+            try {
+                ProviderInstaller.installIfNeeded(applicationContext)
+            } catch (e: GooglePlayServicesRepairableException) {
+                XLog.e("Could not install Android 7 broken SSL workaround!", e)
+            } catch (e: GooglePlayServicesNotAvailableException) {
+                XLog.e("Could not install Android 7 broken SSL workaround!", e)
+            }
+        }
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
+    @Suppress("unused")
+    fun onAppBackgrounded() {
+        val preferences: PreferencesHelper by injectLazy()
+        if (preferences.lockAppAfter().get() >= 0) {
+            SecureActivityDelegate.locked = true
+        }
+    }
+
+    protected open fun setupNotificationChannels() {
+        Notifications.createChannels(this)
+    }
+
+    // EXH
+    private fun deleteOldMetadataRealm() {
+        Realm.init(this)
+        val config = RealmConfiguration.Builder()
+            .name("gallery-metadata.realm")
+            .schemaVersion(3)
+            .deleteRealmIfMigrationNeeded()
+            .build()
+        Realm.deleteRealm(config)
+
+        // Delete old paper db files
+        listOf(
+            File(filesDir, "gallery-ex"),
+            File(filesDir, "gallery-perveden"),
+            File(filesDir, "gallery-nhentai")
+        ).forEach {
+            if (it.exists()) {
+                thread {
+                    it.deleteRecursively()
+                }
+            }
+        }
+    }
+
+    // EXH
+    private fun setupExhLogging() {
+        EHLogLevel.init(this)
+
+        val logLevel = if (EHLogLevel.shouldLog(EHLogLevel.EXTRA)) {
+            LogLevel.ALL
+        } else {
+            LogLevel.WARN
+        }
+
+        val logConfig = LogConfiguration.Builder()
+            .logLevel(logLevel)
+            .t()
+            .st(2)
+            .nb()
+            .build()
+
+        val printers = mutableListOf<Printer>(AndroidPrinter())
+
+        val logFolder = File(
+            Environment.getExternalStorageDirectory().absolutePath + File.separator +
+                getString(R.string.app_name),
+            "logs"
+        )
+
+        printers += FilePrinter
+            .Builder(logFolder.absolutePath)
+            .fileNameGenerator(object : DateFileNameGenerator() {
+                override fun generateFileName(logLevel: Int, timestamp: Long): String {
+                    return super.generateFileName(logLevel, timestamp) + "-${BuildConfig.BUILD_TYPE}"
+                }
+            })
+            .cleanStrategy(FileLastModifiedCleanStrategy(7.days.inMilliseconds.longValue))
+            .backupStrategy(NeverBackupStrategy())
+            .build()
+
+        // Install Crashlytics in prod
+        if (!BuildConfig.DEBUG) {
+            printers += CrashlyticsPrinter(LogLevel.ERROR)
+        }
+
+        XLog.init(
+            logConfig,
+            *printers.toTypedArray()
+        )
+
+        XLog.d("Application booting...")
+    }
+
+    // EXH
+    private fun setupDebugOverlay() {
+        try {
+            DebugOverlay.Builder(this)
+                .modules(FpsModule(), EHDebugModeOverlay(this))
+                .bgColor(Color.parseColor("#7F000000"))
+                .notification(false)
+                .allowSystemLayer(false)
+                .build()
+                .install()
+        } catch (e: IllegalStateException) {
+            // Crashes if app is in background
+            XLog.e("Failed to initialize debug overlay, app in background?", e)
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/AppModule.kt

@@ -0,0 +1,65 @@
+package eu.kanade.tachiyomi
+
+import android.app.Application
+import com.google.gson.Gson
+import eu.kanade.tachiyomi.data.cache.ChapterCache
+import eu.kanade.tachiyomi.data.cache.CoverCache
+import eu.kanade.tachiyomi.data.database.DatabaseHelper
+import eu.kanade.tachiyomi.data.download.DownloadManager
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.track.TrackManager
+import eu.kanade.tachiyomi.extension.ExtensionManager
+import eu.kanade.tachiyomi.network.NetworkHelper
+import eu.kanade.tachiyomi.source.SourceManager
+import exh.eh.EHentaiUpdateHelper
+import io.noties.markwon.Markwon
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import uy.kohesive.injekt.api.InjektModule
+import uy.kohesive.injekt.api.InjektRegistrar
+import uy.kohesive.injekt.api.addSingleton
+import uy.kohesive.injekt.api.addSingletonFactory
+import uy.kohesive.injekt.api.get
+
+class AppModule(val app: Application) : InjektModule {
+
+    override fun InjektRegistrar.registerInjectables() {
+        addSingleton(app)
+
+        addSingletonFactory { PreferencesHelper(app) }
+
+        addSingletonFactory { DatabaseHelper(app) }
+
+        addSingletonFactory { ChapterCache(app) }
+
+        addSingletonFactory { CoverCache(app) }
+
+        addSingletonFactory { NetworkHelper(app) }
+
+        addSingletonFactory { SourceManager(app).also { get<ExtensionManager>().init(it) } }
+
+        addSingletonFactory { ExtensionManager(app) }
+
+        addSingletonFactory { DownloadManager(app) }
+
+        addSingletonFactory { TrackManager(app) }
+
+        addSingletonFactory { Gson() }
+
+        addSingletonFactory { EHentaiUpdateHelper(app) }
+
+        addSingletonFactory { Markwon.create(app) }
+
+        // Asynchronously init expensive components for a faster cold start
+
+        GlobalScope.launch { get<PreferencesHelper>() }
+
+        GlobalScope.launch { get<NetworkHelper>() }
+
+        GlobalScope.launch { get<SourceManager>() }
+
+        GlobalScope.launch { get<DatabaseHelper>() }
+
+        GlobalScope.launch { get<DownloadManager>() }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/Migrations.kt

@@ -0,0 +1,98 @@
+package eu.kanade.tachiyomi
+
+import eu.kanade.tachiyomi.data.backup.BackupCreatorJob
+import eu.kanade.tachiyomi.data.library.LibraryUpdateJob
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.updater.UpdaterJob
+import eu.kanade.tachiyomi.extension.ExtensionUpdateJob
+import eu.kanade.tachiyomi.ui.library.LibrarySort
+import java.io.File
+
+object Migrations {
+
+    // TODO NATIVE TACHIYOMI MIGRATIONS ARE FUCKED UP DUE TO DIFFERING VERSION NUMBERS
+
+    /**
+     * Performs a migration when the application is updated.
+     *
+     * @param preferences Preferences of the application.
+     * @return true if a migration is performed, false otherwise.
+     */
+    fun upgrade(preferences: PreferencesHelper): Boolean {
+        val context = preferences.context
+        val oldVersion = preferences.lastVersionCode().get()
+
+        // Cancel app updater job for debug builds that don't include it
+        if (BuildConfig.DEBUG && !BuildConfig.INCLUDE_UPDATER) {
+            UpdaterJob.cancelTask(context)
+        }
+
+        if (oldVersion < BuildConfig.VERSION_CODE) {
+            preferences.lastVersionCode().set(BuildConfig.VERSION_CODE)
+
+            // Fresh install
+            if (oldVersion == 0) {
+                // Set up default background tasks
+                if (BuildConfig.INCLUDE_UPDATER) {
+                    UpdaterJob.setupTask(context)
+                }
+                ExtensionUpdateJob.setupTask(context)
+                LibraryUpdateJob.setupTask(context)
+                return false
+            }
+
+            if (oldVersion < 14) {
+                // Restore jobs after upgrading to Evernote's job scheduler.
+                if (BuildConfig.INCLUDE_UPDATER) {
+                    UpdaterJob.setupTask(context)
+                }
+                LibraryUpdateJob.setupTask(context)
+            }
+            if (oldVersion < 15) {
+                // Delete internal chapter cache dir.
+                File(context.cacheDir, "chapter_disk_cache").deleteRecursively()
+            }
+            if (oldVersion < 19) {
+                // Move covers to external files dir.
+                val oldDir = File(context.externalCacheDir, "cover_disk_cache")
+                if (oldDir.exists()) {
+                    val destDir = context.getExternalFilesDir("covers")
+                    if (destDir != null) {
+                        oldDir.listFiles()?.forEach {
+                            it.renameTo(File(destDir, it.name))
+                        }
+                    }
+                }
+            }
+            if (oldVersion < 26) {
+                // Delete external chapter cache dir.
+                val extCache = context.externalCacheDir
+                if (extCache != null) {
+                    val chapterCache = File(extCache, "chapter_disk_cache")
+                    if (chapterCache.exists()) {
+                        chapterCache.deleteRecursively()
+                    }
+                }
+            }
+            if (oldVersion < 43) {
+                // Restore jobs after migrating from Evernote's job scheduler to WorkManager.
+                if (BuildConfig.INCLUDE_UPDATER) {
+                    UpdaterJob.setupTask(context)
+                }
+                LibraryUpdateJob.setupTask(context)
+                BackupCreatorJob.setupTask(context)
+
+                // New extension update check job
+                ExtensionUpdateJob.setupTask(context)
+            }
+            if (oldVersion < 44) {
+                // Reset sorting preference if using removed sort by source
+                if (preferences.librarySortingMode().get() == LibrarySort.SOURCE) {
+                    preferences.librarySortingMode().set(LibrarySort.ALPHA)
+                }
+            }
+            return true
+        }
+        return false
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupConst.kt

@@ -0,0 +1,10 @@
+package eu.kanade.tachiyomi.data.backup
+
+import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
+
+object BackupConst {
+
+    private const val NAME = "BackupRestoreServices"
+    const val EXTRA_URI = "$ID.$NAME.EXTRA_URI"
+    const val EXTRA_FLAGS = "$ID.$NAME.EXTRA_FLAGS"
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupCreateService.kt

@@ -0,0 +1,119 @@
+package eu.kanade.tachiyomi.data.backup
+
+import android.app.Service
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.os.Build
+import android.os.IBinder
+import android.os.PowerManager
+import com.hippo.unifile.UniFile
+import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.util.system.acquireWakeLock
+import eu.kanade.tachiyomi.util.system.isServiceRunning
+
+/**
+ * Service for backing up library information to a JSON file.
+ */
+class BackupCreateService : Service() {
+
+    companion object {
+        // Filter options
+        internal const val BACKUP_CATEGORY = 0x1
+        internal const val BACKUP_CATEGORY_MASK = 0x1
+        internal const val BACKUP_CHAPTER = 0x2
+        internal const val BACKUP_CHAPTER_MASK = 0x2
+        internal const val BACKUP_HISTORY = 0x4
+        internal const val BACKUP_HISTORY_MASK = 0x4
+        internal const val BACKUP_TRACK = 0x8
+        internal const val BACKUP_TRACK_MASK = 0x8
+        internal const val BACKUP_ALL = 0xF
+
+        /**
+         * Returns the status of the service.
+         *
+         * @param context the application context.
+         * @return true if the service is running, false otherwise.
+         */
+        fun isRunning(context: Context): Boolean =
+            context.isServiceRunning(BackupCreateService::class.java)
+
+        /**
+         * Make a backup from library
+         *
+         * @param context context of application
+         * @param uri path of Uri
+         * @param flags determines what to backup
+         */
+        fun start(context: Context, uri: Uri, flags: Int) {
+            if (!isRunning(context)) {
+                val intent = Intent(context, BackupCreateService::class.java).apply {
+                    putExtra(BackupConst.EXTRA_URI, uri)
+                    putExtra(BackupConst.EXTRA_FLAGS, flags)
+                }
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+                    context.startService(intent)
+                } else {
+                    context.startForegroundService(intent)
+                }
+            }
+        }
+    }
+
+    /**
+     * Wake lock that will be held until the service is destroyed.
+     */
+    private lateinit var wakeLock: PowerManager.WakeLock
+
+    private lateinit var backupManager: BackupManager
+    private lateinit var notifier: BackupNotifier
+
+    override fun onCreate() {
+        super.onCreate()
+
+        notifier = BackupNotifier(this)
+        wakeLock = acquireWakeLock(javaClass.name)
+
+        startForeground(Notifications.ID_BACKUP_PROGRESS, notifier.showBackupProgress().build())
+    }
+
+    override fun stopService(name: Intent?): Boolean {
+        destroyJob()
+        return super.stopService(name)
+    }
+
+    override fun onDestroy() {
+        destroyJob()
+        super.onDestroy()
+    }
+
+    private fun destroyJob() {
+        if (wakeLock.isHeld) {
+            wakeLock.release()
+        }
+    }
+
+    /**
+     * This method needs to be implemented, but it's not used/needed.
+     */
+    override fun onBind(intent: Intent): IBinder? = null
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        if (intent == null) return START_NOT_STICKY
+
+        try {
+            val uri = intent.getParcelableExtra<Uri>(BackupConst.EXTRA_URI)
+            val backupFlags = intent.getIntExtra(BackupConst.EXTRA_FLAGS, 0)
+            backupManager = BackupManager(this)
+
+            val backupFileUri = Uri.parse(backupManager.createBackup(uri, backupFlags, false))
+            val unifile = UniFile.fromUri(this, backupFileUri)
+            notifier.showBackupComplete(unifile)
+        } catch (e: Exception) {
+            notifier.showBackupError(e.message)
+        }
+
+        stopSelf(startId)
+        return START_NOT_STICKY
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupCreatorJob.kt

@@ -0,0 +1,51 @@
+package eu.kanade.tachiyomi.data.backup
+
+import android.content.Context
+import android.net.Uri
+import androidx.work.ExistingPeriodicWorkPolicy
+import androidx.work.PeriodicWorkRequestBuilder
+import androidx.work.WorkManager
+import androidx.work.Worker
+import androidx.work.WorkerParameters
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import java.util.concurrent.TimeUnit
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+class BackupCreatorJob(private val context: Context, workerParams: WorkerParameters) :
+    Worker(context, workerParams) {
+
+    override fun doWork(): Result {
+        val preferences = Injekt.get<PreferencesHelper>()
+        val backupManager = BackupManager(context)
+        val uri = Uri.parse(preferences.backupsDirectory().get())
+        val flags = BackupCreateService.BACKUP_ALL
+        return try {
+            backupManager.createBackup(uri, flags, true)
+            Result.success()
+        } catch (e: Exception) {
+            Result.failure()
+        }
+    }
+
+    companion object {
+        private const val TAG = "BackupCreator"
+
+        fun setupTask(context: Context, prefInterval: Int? = null) {
+            val preferences = Injekt.get<PreferencesHelper>()
+            val interval = prefInterval ?: preferences.backupInterval().get()
+            if (interval > 0) {
+                val request = PeriodicWorkRequestBuilder<BackupCreatorJob>(
+                    interval.toLong(), TimeUnit.HOURS,
+                    10, TimeUnit.MINUTES
+                )
+                    .addTag(TAG)
+                    .build()
+
+                WorkManager.getInstance(context).enqueueUniquePeriodicWork(TAG, ExistingPeriodicWorkPolicy.REPLACE, request)
+            } else {
+                WorkManager.getInstance(context).cancelAllWorkByTag(TAG)
+            }
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt

@@ -0,0 +1,532 @@
+package eu.kanade.tachiyomi.data.backup
+
+import android.content.Context
+import android.net.Uri
+import com.github.salomonbrys.kotson.fromJson
+import com.github.salomonbrys.kotson.registerTypeAdapter
+import com.github.salomonbrys.kotson.registerTypeHierarchyAdapter
+import com.github.salomonbrys.kotson.set
+import com.google.gson.Gson
+import com.google.gson.GsonBuilder
+import com.google.gson.JsonArray
+import com.google.gson.JsonElement
+import com.google.gson.JsonObject
+import com.hippo.unifile.UniFile
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CATEGORY
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CATEGORY_MASK
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CHAPTER
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CHAPTER_MASK
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_HISTORY
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_HISTORY_MASK
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_TRACK
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_TRACK_MASK
+import eu.kanade.tachiyomi.data.backup.models.Backup
+import eu.kanade.tachiyomi.data.backup.models.Backup.CATEGORIES
+import eu.kanade.tachiyomi.data.backup.models.Backup.CHAPTERS
+import eu.kanade.tachiyomi.data.backup.models.Backup.CURRENT_VERSION
+import eu.kanade.tachiyomi.data.backup.models.Backup.EXTENSIONS
+import eu.kanade.tachiyomi.data.backup.models.Backup.HISTORY
+import eu.kanade.tachiyomi.data.backup.models.Backup.MANGA
+import eu.kanade.tachiyomi.data.backup.models.Backup.TRACK
+import eu.kanade.tachiyomi.data.backup.models.DHistory
+import eu.kanade.tachiyomi.data.backup.serializer.CategoryTypeAdapter
+import eu.kanade.tachiyomi.data.backup.serializer.ChapterTypeAdapter
+import eu.kanade.tachiyomi.data.backup.serializer.HistoryTypeAdapter
+import eu.kanade.tachiyomi.data.backup.serializer.MangaTypeAdapter
+import eu.kanade.tachiyomi.data.backup.serializer.TrackTypeAdapter
+import eu.kanade.tachiyomi.data.database.DatabaseHelper
+import eu.kanade.tachiyomi.data.database.models.CategoryImpl
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.models.ChapterImpl
+import eu.kanade.tachiyomi.data.database.models.History
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.MangaCategory
+import eu.kanade.tachiyomi.data.database.models.MangaImpl
+import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.database.models.TrackImpl
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.track.TrackManager
+import eu.kanade.tachiyomi.source.LocalSource
+import eu.kanade.tachiyomi.source.Source
+import eu.kanade.tachiyomi.source.SourceManager
+import eu.kanade.tachiyomi.source.online.all.EHentai
+import eu.kanade.tachiyomi.util.chapter.syncChaptersWithSource
+import exh.eh.EHentaiThrottleManager
+import kotlin.math.max
+import rx.Observable
+import timber.log.Timber
+import uy.kohesive.injekt.injectLazy
+
+class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
+
+    internal val databaseHelper: DatabaseHelper by injectLazy()
+    internal val sourceManager: SourceManager by injectLazy()
+    internal val trackManager: TrackManager by injectLazy()
+    private val preferences: PreferencesHelper by injectLazy()
+
+    /**
+     * Version of parser
+     */
+    var version: Int = version
+        private set
+
+    /**
+     * Json Parser
+     */
+    var parser: Gson = initParser()
+
+    /**
+     * Set version of parser
+     *
+     * @param version version of parser
+     */
+    internal fun setVersion(version: Int) {
+        this.version = version
+        parser = initParser()
+    }
+
+    private fun initParser(): Gson = when (version) {
+        1 -> GsonBuilder().create()
+        2 ->
+            GsonBuilder()
+                .registerTypeAdapter<MangaImpl>(MangaTypeAdapter.build())
+                .registerTypeHierarchyAdapter<ChapterImpl>(ChapterTypeAdapter.build())
+                .registerTypeAdapter<CategoryImpl>(CategoryTypeAdapter.build())
+                .registerTypeAdapter<DHistory>(HistoryTypeAdapter.build())
+                .registerTypeHierarchyAdapter<TrackImpl>(TrackTypeAdapter.build())
+                .create()
+        else -> throw Exception("Json version unknown")
+    }
+
+    /**
+     * Create backup Json file from database
+     *
+     * @param uri path of Uri
+     * @param isJob backup called from job
+     */
+    fun createBackup(uri: Uri, flags: Int, isJob: Boolean): String? {
+        // Create root object
+        val root = JsonObject()
+
+        // Create manga array
+        val mangaEntries = JsonArray()
+
+        // Create category array
+        val categoryEntries = JsonArray()
+
+        // Create extension ID/name mapping
+        val extensionEntries = JsonArray()
+
+        // Add value's to root
+        root[Backup.VERSION] = CURRENT_VERSION
+        root[Backup.MANGAS] = mangaEntries
+        root[CATEGORIES] = categoryEntries
+        root[EXTENSIONS] = extensionEntries
+
+        databaseHelper.inTransaction {
+            // Get manga from database
+            val mangas = getFavoriteManga()
+
+            val extensions: MutableSet<String> = mutableSetOf()
+
+            // Backup library manga and its dependencies
+            mangas.forEach { manga ->
+                mangaEntries.add(backupMangaObject(manga, flags))
+
+                // Maintain set of extensions/sources used (excludes local source)
+                if (manga.source != LocalSource.ID) {
+                    sourceManager.get(manga.source)?.let {
+                        extensions.add("${manga.source}:${it.name}")
+                    }
+                }
+            }
+
+            // Backup categories
+            if ((flags and BACKUP_CATEGORY_MASK) == BACKUP_CATEGORY) {
+                backupCategories(categoryEntries)
+            }
+
+            // Backup extension ID/name mapping
+            backupExtensionInfo(extensionEntries, extensions)
+        }
+
+        try {
+            // When BackupCreatorJob
+            if (isJob) {
+                // Get dir of file and create
+                var dir = UniFile.fromUri(context, uri)
+                dir = dir.createDirectory("automatic")
+
+                // Delete older backups
+                val numberOfBackups = numberOfBackups()
+                val backupRegex = Regex("""tachiyomi_\d+-\d+-\d+_\d+-\d+.json""")
+                dir.listFiles { _, filename -> backupRegex.matches(filename) }
+                    .orEmpty()
+                    .sortedByDescending { it.name }
+                    .drop(numberOfBackups - 1)
+                    .forEach { it.delete() }
+
+                // Create new file to place backup
+                val newFile = dir.createFile(Backup.getDefaultFilename())
+                    ?: throw Exception("Couldn't create backup file")
+
+                newFile.openOutputStream().bufferedWriter().use {
+                    parser.toJson(root, it)
+                }
+
+                return newFile.uri.toString()
+            } else {
+                val file = UniFile.fromUri(context, uri)
+                    ?: throw Exception("Couldn't create backup file")
+                file.openOutputStream().bufferedWriter().use {
+                    parser.toJson(root, it)
+                }
+
+                return file.uri.toString()
+            }
+        } catch (e: Exception) {
+            Timber.e(e)
+            throw e
+        }
+    }
+
+    private fun backupExtensionInfo(root: JsonArray, extensions: Set<String>) {
+        extensions.sorted().forEach {
+            root.add(it)
+        }
+    }
+
+    /**
+     * Backup the categories of library
+     *
+     * @param root root of categories json
+     */
+    internal fun backupCategories(root: JsonArray) {
+        val categories = databaseHelper.getCategories().executeAsBlocking()
+        categories.forEach { root.add(parser.toJsonTree(it)) }
+    }
+
+    /**
+     * Convert a manga to Json
+     *
+     * @param manga manga that gets converted
+     * @return [JsonElement] containing manga information
+     */
+    internal fun backupMangaObject(manga: Manga, options: Int): JsonElement {
+        // Entry for this manga
+        val entry = JsonObject()
+
+        // Backup manga fields
+        entry[MANGA] = parser.toJsonTree(manga)
+
+        // Check if user wants chapter information in backup
+        if (options and BACKUP_CHAPTER_MASK == BACKUP_CHAPTER) {
+            // Backup all the chapters
+            val chapters = databaseHelper.getChapters(manga).executeAsBlocking()
+            if (chapters.isNotEmpty()) {
+                val chaptersJson = parser.toJsonTree(chapters)
+                if (chaptersJson.asJsonArray.size() > 0) {
+                    entry[CHAPTERS] = chaptersJson
+                }
+            }
+        }
+
+        // Check if user wants category information in backup
+        if (options and BACKUP_CATEGORY_MASK == BACKUP_CATEGORY) {
+            // Backup categories for this manga
+            val categoriesForManga = databaseHelper.getCategoriesForManga(manga).executeAsBlocking()
+            if (categoriesForManga.isNotEmpty()) {
+                val categoriesNames = categoriesForManga.map { it.name }
+                entry[CATEGORIES] = parser.toJsonTree(categoriesNames)
+            }
+        }
+
+        // Check if user wants track information in backup
+        if (options and BACKUP_TRACK_MASK == BACKUP_TRACK) {
+            val tracks = databaseHelper.getTracks(manga).executeAsBlocking()
+            if (tracks.isNotEmpty()) {
+                entry[TRACK] = parser.toJsonTree(tracks)
+            }
+        }
+
+        // Check if user wants history information in backup
+        if (options and BACKUP_HISTORY_MASK == BACKUP_HISTORY) {
+            val historyForManga = databaseHelper.getHistoryByMangaId(manga.id!!).executeAsBlocking()
+            if (historyForManga.isNotEmpty()) {
+                val historyData = historyForManga.mapNotNull { history ->
+                    val url = databaseHelper.getChapter(history.chapter_id).executeAsBlocking()?.url
+                    url?.let { DHistory(url, history.last_read) }
+                }
+                val historyJson = parser.toJsonTree(historyData)
+                if (historyJson.asJsonArray.size() > 0) {
+                    entry[HISTORY] = historyJson
+                }
+            }
+        }
+
+        return entry
+    }
+
+    fun restoreMangaNoFetch(manga: Manga, dbManga: Manga) {
+        manga.id = dbManga.id
+        manga.copyFrom(dbManga)
+        manga.favorite = true
+        insertManga(manga)
+    }
+
+    /**
+     * [Observable] that fetches manga information
+     *
+     * @param source source of manga
+     * @param manga manga that needs updating
+     * @return [Observable] that contains manga
+     */
+    fun restoreMangaFetchObservable(source: Source, manga: Manga): Observable<Manga> {
+        return source.fetchMangaDetails(manga)
+            .map { networkManga ->
+                manga.copyFrom(networkManga)
+                manga.favorite = true
+                manga.initialized = true
+                manga.id = insertManga(manga)
+                manga
+            }
+    }
+
+    /**
+     * [Observable] that fetches chapter information
+     *
+     * @param source source of manga
+     * @param manga manga that needs updating
+     * @return [Observable] that contains manga
+     */
+    fun restoreChapterFetchObservable(source: Source, manga: Manga, chapters: List<Chapter>, throttleManager: EHentaiThrottleManager): Observable<Pair<List<Chapter>, List<Chapter>>> {
+        return (
+            if (source is EHentai) {
+                source.fetchChapterList(manga, throttleManager::throttle)
+            } else {
+                source.fetchChapterList(manga)
+            }
+            ).map {
+            if (it.last().chapter_number == -99F) {
+                chapters.forEach { chapter ->
+                    chapter.name = "Chapter ${chapter.chapter_number} restored by dummy source"
+                }
+                syncChaptersWithSource(databaseHelper, chapters, manga, source)
+            } else {
+                syncChaptersWithSource(databaseHelper, it, manga, source)
+            }
+        }
+            .doOnNext { pair ->
+                if (pair.first.isNotEmpty()) {
+                    chapters.forEach { it.manga_id = manga.id }
+                    insertChapters(chapters)
+                }
+            }
+    }
+
+    /**
+     * Restore the categories from Json
+     *
+     * @param jsonCategories array containing categories
+     */
+    internal fun restoreCategories(jsonCategories: JsonArray) {
+        // Get categories from file and from db
+        val dbCategories = databaseHelper.getCategories().executeAsBlocking()
+        val backupCategories = parser.fromJson<List<CategoryImpl>>(jsonCategories)
+
+        // Iterate over them
+        backupCategories.forEach { category ->
+            // Used to know if the category is already in the db
+            var found = false
+            for (dbCategory in dbCategories) {
+                // If the category is already in the db, assign the id to the file's category
+                // and do nothing
+                if (category.nameLower == dbCategory.nameLower) {
+                    category.id = dbCategory.id
+                    found = true
+                    break
+                }
+            }
+            // If the category isn't in the db, remove the id and insert a new category
+            // Store the inserted id in the category
+            if (!found) {
+                // Let the db assign the id
+                category.id = null
+                val result = databaseHelper.insertCategory(category).executeAsBlocking()
+                category.id = result.insertedId()?.toInt()
+            }
+        }
+    }
+
+    /**
+     * Restores the categories a manga is in.
+     *
+     * @param manga the manga whose categories have to be restored.
+     * @param categories the categories to restore.
+     */
+    internal fun restoreCategoriesForManga(manga: Manga, categories: List<String>) {
+        val dbCategories = databaseHelper.getCategories().executeAsBlocking()
+        val mangaCategoriesToUpdate = ArrayList<MangaCategory>()
+        for (backupCategoryStr in categories) {
+            for (dbCategory in dbCategories) {
+                if (backupCategoryStr.toLowerCase() == dbCategory.nameLower) {
+                    mangaCategoriesToUpdate.add(MangaCategory.create(manga, dbCategory))
+                    break
+                }
+            }
+        }
+
+        // Update database
+        if (mangaCategoriesToUpdate.isNotEmpty()) {
+            val mangaAsList = ArrayList<Manga>()
+            mangaAsList.add(manga)
+            databaseHelper.deleteOldMangasCategories(mangaAsList).executeAsBlocking()
+            databaseHelper.insertMangasCategories(mangaCategoriesToUpdate).executeAsBlocking()
+        }
+    }
+
+    /**
+     * Restore history from Json
+     *
+     * @param history list containing history to be restored
+     */
+    internal fun restoreHistoryForManga(history: List<DHistory>) {
+        // List containing history to be updated
+        val historyToBeUpdated = ArrayList<History>()
+        for ((url, lastRead) in history) {
+            val dbHistory = databaseHelper.getHistoryByChapterUrl(url).executeAsBlocking()
+            // Check if history already in database and update
+            if (dbHistory != null) {
+                dbHistory.apply {
+                    last_read = max(lastRead, dbHistory.last_read)
+                }
+                historyToBeUpdated.add(dbHistory)
+            } else {
+                // If not in database create
+                databaseHelper.getChapter(url).executeAsBlocking()?.let {
+                    val historyToAdd = History.create(it).apply {
+                        last_read = lastRead
+                    }
+                    historyToBeUpdated.add(historyToAdd)
+                }
+            }
+        }
+        databaseHelper.updateHistoryLastRead(historyToBeUpdated).executeAsBlocking()
+    }
+
+    /**
+     * Restores the sync of a manga.
+     *
+     * @param manga the manga whose sync have to be restored.
+     * @param tracks the track list to restore.
+     */
+    internal fun restoreTrackForManga(manga: Manga, tracks: List<Track>) {
+        // Fix foreign keys with the current manga id
+        tracks.map { it.manga_id = manga.id!! }
+
+        // Get tracks from database
+        val dbTracks = databaseHelper.getTracks(manga).executeAsBlocking()
+        val trackToUpdate = ArrayList<Track>()
+
+        for (track in tracks) {
+            val service = trackManager.getService(track.sync_id)
+            if (service != null && service.isLogged) {
+                var isInDatabase = false
+                for (dbTrack in dbTracks) {
+                    if (track.sync_id == dbTrack.sync_id) {
+                        // The sync is already in the db, only update its fields
+                        if (track.media_id != dbTrack.media_id) {
+                            dbTrack.media_id = track.media_id
+                        }
+                        if (track.library_id != dbTrack.library_id) {
+                            dbTrack.library_id = track.library_id
+                        }
+                        dbTrack.last_chapter_read = max(dbTrack.last_chapter_read, track.last_chapter_read)
+                        isInDatabase = true
+                        trackToUpdate.add(dbTrack)
+                        break
+                    }
+                }
+                if (!isInDatabase) {
+                    // Insert new sync. Let the db assign the id
+                    track.id = null
+                    trackToUpdate.add(track)
+                }
+            }
+        }
+        // Update database
+        if (trackToUpdate.isNotEmpty()) {
+            databaseHelper.insertTracks(trackToUpdate).executeAsBlocking()
+        }
+    }
+
+    /**
+     * Restore the chapters for manga if chapters already in database
+     *
+     * @param manga manga of chapters
+     * @param chapters list containing chapters that get restored
+     * @return boolean answering if chapter fetch is not needed
+     */
+    internal fun restoreChaptersForManga(manga: Manga, chapters: List<Chapter>): Boolean {
+        val dbChapters = databaseHelper.getChapters(manga).executeAsBlocking()
+
+        // Return if fetch is needed
+        if (dbChapters.isEmpty() || dbChapters.size < chapters.size) {
+            return false
+        }
+
+        for (chapter in chapters) {
+            val pos = dbChapters.indexOf(chapter)
+            if (pos != -1) {
+                val dbChapter = dbChapters[pos]
+                chapter.id = dbChapter.id
+                chapter.copyFrom(dbChapter)
+                break
+            }
+        }
+        // Filter the chapters that couldn't be found.
+        chapters.filter { it.id != null }
+        chapters.map { it.manga_id = manga.id }
+
+        insertChapters(chapters)
+        return true
+    }
+
+    /**
+     * Returns manga
+     *
+     * @return [Manga], null if not found
+     */
+    internal fun getMangaFromDatabase(manga: Manga): Manga? =
+        databaseHelper.getManga(manga.url, manga.source).executeAsBlocking()
+
+    /**
+     * Returns list containing manga from library
+     *
+     * @return [Manga] from library
+     */
+    internal fun getFavoriteManga(): List<Manga> =
+        databaseHelper.getFavoriteMangas().executeAsBlocking()
+
+    /**
+     * Inserts manga and returns id
+     *
+     * @return id of [Manga], null if not found
+     */
+    internal fun insertManga(manga: Manga): Long? =
+        databaseHelper.insertManga(manga).executeAsBlocking().insertedId()
+
+    /**
+     * Inserts list of chapters
+     */
+    private fun insertChapters(chapters: List<Chapter>) {
+        databaseHelper.updateChaptersBackup(chapters).executeAsBlocking()
+    }
+
+    /**
+     * Return number of backups.
+     *
+     * @return number of backups selected by user
+     */
+    fun numberOfBackups(): Int = preferences.numberOfBackups().get()
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupNotifier.kt

@@ -0,0 +1,161 @@
+package eu.kanade.tachiyomi.data.backup
+
+import android.content.Context
+import android.graphics.BitmapFactory
+import androidx.core.app.NotificationCompat
+import com.hippo.unifile.UniFile
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.notification.NotificationReceiver
+import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.util.storage.getUriCompat
+import eu.kanade.tachiyomi.util.system.notificationBuilder
+import eu.kanade.tachiyomi.util.system.notificationManager
+import java.io.File
+import java.util.concurrent.TimeUnit
+import uy.kohesive.injekt.injectLazy
+
+internal class BackupNotifier(private val context: Context) {
+
+    private val preferences: PreferencesHelper by injectLazy()
+
+    private val progressNotificationBuilder = context.notificationBuilder(Notifications.CHANNEL_BACKUP_RESTORE_PROGRESS) {
+        setLargeIcon(BitmapFactory.decodeResource(context.resources, R.mipmap.ic_launcher))
+        setSmallIcon(R.drawable.ic_tachi)
+        setAutoCancel(false)
+        setOngoing(true)
+    }
+
+    private val completeNotificationBuilder = context.notificationBuilder(Notifications.CHANNEL_BACKUP_RESTORE_COMPLETE) {
+        setLargeIcon(BitmapFactory.decodeResource(context.resources, R.mipmap.ic_launcher))
+        setSmallIcon(R.drawable.ic_tachi)
+        setAutoCancel(false)
+    }
+
+    private fun NotificationCompat.Builder.show(id: Int) {
+        context.notificationManager.notify(id, build())
+    }
+
+    fun showBackupProgress(): NotificationCompat.Builder {
+        val builder = with(progressNotificationBuilder) {
+            setContentTitle(context.getString(R.string.creating_backup))
+
+            setProgress(0, 0, true)
+            setOnlyAlertOnce(true)
+        }
+
+        builder.show(Notifications.ID_BACKUP_PROGRESS)
+
+        return builder
+    }
+
+    fun showBackupError(error: String?) {
+        context.notificationManager.cancel(Notifications.ID_BACKUP_PROGRESS)
+
+        with(completeNotificationBuilder) {
+            setContentTitle(context.getString(R.string.creating_backup_error))
+            setContentText(error)
+
+            show(Notifications.ID_BACKUP_COMPLETE)
+        }
+    }
+
+    fun showBackupComplete(unifile: UniFile) {
+        context.notificationManager.cancel(Notifications.ID_BACKUP_PROGRESS)
+
+        with(completeNotificationBuilder) {
+            setContentTitle(context.getString(R.string.backup_created))
+
+            if (unifile.filePath != null) {
+                setContentText(unifile.filePath)
+            }
+
+            // Clear old actions if they exist
+            if (mActions.isNotEmpty()) {
+                mActions.clear()
+            }
+
+            addAction(
+                R.drawable.ic_share_24dp,
+                context.getString(R.string.action_share),
+                NotificationReceiver.shareBackupPendingBroadcast(context, unifile.uri, Notifications.ID_BACKUP_COMPLETE)
+            )
+
+            show(Notifications.ID_BACKUP_COMPLETE)
+        }
+    }
+
+    fun showRestoreProgress(content: String = "", progress: Int = 0, maxAmount: Int = 100): NotificationCompat.Builder {
+        val builder = with(progressNotificationBuilder) {
+            setContentTitle(context.getString(R.string.restoring_backup))
+
+            if (!preferences.hideNotificationContent()) {
+                setContentText(content)
+            }
+
+            setProgress(maxAmount, progress, false)
+            setOnlyAlertOnce(true)
+
+            // Clear old actions if they exist
+            if (mActions.isNotEmpty()) {
+                mActions.clear()
+            }
+
+            addAction(
+                R.drawable.ic_close_24dp,
+                context.getString(R.string.action_stop),
+                NotificationReceiver.cancelRestorePendingBroadcast(context, Notifications.ID_RESTORE_PROGRESS)
+            )
+        }
+
+        builder.show(Notifications.ID_RESTORE_PROGRESS)
+
+        return builder
+    }
+
+    fun showRestoreError(error: String?) {
+        context.notificationManager.cancel(Notifications.ID_RESTORE_PROGRESS)
+
+        with(completeNotificationBuilder) {
+            setContentTitle(context.getString(R.string.restoring_backup_error))
+            setContentText(error)
+
+            show(Notifications.ID_RESTORE_COMPLETE)
+        }
+    }
+
+    fun showRestoreComplete(time: Long, errorCount: Int, path: String?, file: String?) {
+        context.notificationManager.cancel(Notifications.ID_RESTORE_PROGRESS)
+
+        val timeString = context.getString(
+            R.string.restore_duration,
+            TimeUnit.MILLISECONDS.toMinutes(time),
+            TimeUnit.MILLISECONDS.toSeconds(time) - TimeUnit.MINUTES.toSeconds(
+                TimeUnit.MILLISECONDS.toMinutes(time)
+            )
+        )
+
+        with(completeNotificationBuilder) {
+            setContentTitle(context.getString(R.string.restore_completed))
+            setContentText(context.resources.getQuantityString(R.plurals.restore_completed_message, errorCount, timeString, errorCount))
+
+            // Clear old actions if they exist
+            if (mActions.isNotEmpty()) {
+                mActions.clear()
+            }
+
+            if (errorCount > 0 && !path.isNullOrEmpty() && !file.isNullOrEmpty()) {
+                val destFile = File(path, file)
+                val uri = destFile.getUriCompat(context)
+
+                addAction(
+                    R.drawable.nnf_ic_file_folder,
+                    context.getString(R.string.action_open_log),
+                    NotificationReceiver.openErrorLogPendingActivity(context, uri)
+                )
+            }
+
+            show(Notifications.ID_RESTORE_COMPLETE)
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupRestoreService.kt

@@ -0,0 +1,498 @@
+package eu.kanade.tachiyomi.data.backup
+
+import android.app.Service
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.os.Build
+import android.os.IBinder
+import android.os.PowerManager
+import com.github.salomonbrys.kotson.fromJson
+import com.google.gson.JsonArray
+import com.google.gson.JsonElement
+import com.google.gson.JsonObject
+import com.google.gson.JsonParser
+import com.google.gson.stream.JsonReader
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.backup.models.Backup.CATEGORIES
+import eu.kanade.tachiyomi.data.backup.models.Backup.CHAPTERS
+import eu.kanade.tachiyomi.data.backup.models.Backup.HISTORY
+import eu.kanade.tachiyomi.data.backup.models.Backup.MANGA
+import eu.kanade.tachiyomi.data.backup.models.Backup.MANGAS
+import eu.kanade.tachiyomi.data.backup.models.Backup.TRACK
+import eu.kanade.tachiyomi.data.backup.models.Backup.VERSION
+import eu.kanade.tachiyomi.data.backup.models.DHistory
+import eu.kanade.tachiyomi.data.database.DatabaseHelper
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.models.ChapterImpl
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.MangaImpl
+import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.database.models.TrackImpl
+import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.data.track.TrackManager
+import eu.kanade.tachiyomi.source.Source
+import eu.kanade.tachiyomi.util.system.acquireWakeLock
+import eu.kanade.tachiyomi.util.system.isServiceRunning
+import exh.EXHMigrations
+import exh.eh.EHentaiThrottleManager
+import java.io.File
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.Locale
+import kotlinx.coroutines.CoroutineExceptionHandler
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import rx.Observable
+import timber.log.Timber
+import uy.kohesive.injekt.injectLazy
+
+/**
+ * Restores backup from a JSON file.
+ */
+class BackupRestoreService : Service() {
+
+    companion object {
+
+        /**
+         * Returns the status of the service.
+         *
+         * @param context the application context.
+         * @return true if the service is running, false otherwise.
+         */
+        fun isRunning(context: Context): Boolean =
+            context.isServiceRunning(BackupRestoreService::class.java)
+
+        /**
+         * Starts a service to restore a backup from Json
+         *
+         * @param context context of application
+         * @param uri path of Uri
+         */
+        fun start(context: Context, uri: Uri) {
+            if (!isRunning(context)) {
+                val intent = Intent(context, BackupRestoreService::class.java).apply {
+                    putExtra(BackupConst.EXTRA_URI, uri)
+                }
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+                    context.startService(intent)
+                } else {
+                    context.startForegroundService(intent)
+                }
+            }
+        }
+
+        /**
+         * Stops the service.
+         *
+         * @param context the application context.
+         */
+        fun stop(context: Context) {
+            context.stopService(Intent(context, BackupRestoreService::class.java))
+
+            BackupNotifier(context).showRestoreError(context.getString(R.string.restoring_backup_canceled))
+        }
+    }
+
+    /**
+     * Wake lock that will be held until the service is destroyed.
+     */
+    private lateinit var wakeLock: PowerManager.WakeLock
+
+    private var job: Job? = null
+
+    private val throttleManager = EHentaiThrottleManager()
+
+    /**
+     * The progress of a backup restore
+     */
+    private var restoreProgress = 0
+
+    /**
+     * Amount of manga in Json file (needed for restore)
+     */
+    private var restoreAmount = 0
+
+    private var skippedAmount = 0
+
+    private var totalAmount = 0
+
+    /**
+     * Mapping of source ID to source name from backup data
+     */
+    private var sourceMapping: Map<Long, String> = emptyMap()
+
+    /**
+     * List containing errors
+     */
+    private val errors = mutableListOf<Pair<Date, String>>()
+
+    private lateinit var backupManager: BackupManager
+    private lateinit var notifier: BackupNotifier
+
+    private val db: DatabaseHelper by injectLazy()
+
+    private val trackManager: TrackManager by injectLazy()
+
+    override fun onCreate() {
+        super.onCreate()
+
+        notifier = BackupNotifier(this)
+        wakeLock = acquireWakeLock(javaClass.name)
+
+        startForeground(Notifications.ID_RESTORE_PROGRESS, notifier.showRestoreProgress().build())
+    }
+
+    override fun stopService(name: Intent?): Boolean {
+        destroyJob()
+        return super.stopService(name)
+    }
+
+    override fun onDestroy() {
+        destroyJob()
+        super.onDestroy()
+    }
+
+    private fun destroyJob() {
+        job?.cancel()
+        if (wakeLock.isHeld) {
+            wakeLock.release()
+        }
+    }
+
+    /**
+     * This method needs to be implemented, but it's not used/needed.
+     */
+    override fun onBind(intent: Intent): IBinder? = null
+
+    /**
+     * Method called when the service receives an intent.
+     *
+     * @param intent the start intent from.
+     * @param flags the flags of the command.
+     * @param startId the start id of this command.
+     * @return the start value of the command.
+     */
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        val uri = intent?.getParcelableExtra<Uri>(BackupConst.EXTRA_URI) ?: return START_NOT_STICKY
+
+        throttleManager.resetThrottle()
+
+        // Cancel any previous job if needed.
+        job?.cancel()
+        val handler = CoroutineExceptionHandler { _, exception ->
+            Timber.e(exception)
+            writeErrorLog()
+
+            notifier.showRestoreError(exception.message)
+
+            stopSelf(startId)
+        }
+        job = GlobalScope.launch(handler) {
+            if (!restoreBackup(uri)) {
+                notifier.showRestoreError(getString(R.string.restoring_backup_canceled))
+            }
+        }
+        job?.invokeOnCompletion {
+            stopSelf(startId)
+        }
+
+        return START_NOT_STICKY
+    }
+
+    /**
+     * Restores data from backup file.
+     *
+     * @param uri backup file to restore
+     */
+    private fun restoreBackup(uri: Uri): Boolean {
+        val startTime = System.currentTimeMillis()
+
+        val reader = JsonReader(contentResolver.openInputStream(uri)!!.bufferedReader())
+        val json = JsonParser.parseReader(reader).asJsonObject
+
+        // Get parser version
+        val version = json.get(VERSION)?.asInt ?: 1
+
+        // Initialize manager
+        backupManager = BackupManager(this, version)
+
+        val mangasJson = json.get(MANGAS).asJsonArray
+
+        val validManga = mangasJson.filter {
+            var manga = backupManager.parser.fromJson<MangaImpl>(it.asJsonObject.get(MANGA))
+            // EXH -->
+            manga = EXHMigrations.migrateBackupEntry(manga)
+            val sourced = backupManager.sourceManager.get(manga.source) != null
+            if (!sourced) {
+                restoreAmount -= 1
+            }
+            sourced
+        }
+
+        totalAmount = mangasJson.size()
+        restoreAmount = validManga.count() + 1 // +1 for categories
+        skippedAmount = mangasJson.size() - validManga.count()
+        restoreProgress = 0
+        errors.clear()
+
+        // Restore categories
+        restoreCategories(json.get(CATEGORIES))
+
+        // Store source mapping for error messages
+        sourceMapping = BackupRestoreValidator.getSourceMapping(json)
+
+        // Restore individual manga
+        mangasJson.forEach {
+            if (job?.isActive != true) {
+                return false
+            }
+
+            restoreManga(it.asJsonObject)
+        }
+
+        val endTime = System.currentTimeMillis()
+        val time = endTime - startTime
+
+        val logFile = writeErrorLog()
+
+        notifier.showRestoreComplete(time, errors.size, logFile.parent, logFile.name)
+        return true
+    }
+
+    private fun restoreCategories(categoriesJson: JsonElement) {
+        db.inTransaction {
+            backupManager.restoreCategories(categoriesJson.asJsonArray)
+        }
+
+        restoreProgress += 1
+        showRestoreProgress(restoreProgress, restoreAmount, getString(R.string.categories))
+    }
+
+    private fun restoreManga(mangaJson: JsonObject) {
+        var manga = backupManager.parser.fromJson<MangaImpl>(mangaJson.get(MANGA))
+        val chapters = backupManager.parser.fromJson<List<ChapterImpl>>(
+            mangaJson.get(CHAPTERS)
+                ?: JsonArray()
+        )
+        val categories = backupManager.parser.fromJson<List<String>>(
+            mangaJson.get(CATEGORIES)
+                ?: JsonArray()
+        )
+        val history = backupManager.parser.fromJson<List<DHistory>>(
+            mangaJson.get(HISTORY)
+                ?: JsonArray()
+        )
+        val tracks = backupManager.parser.fromJson<List<TrackImpl>>(
+            mangaJson.get(TRACK)
+                ?: JsonArray()
+        )
+
+        // EXH -->
+        manga = EXHMigrations.migrateBackupEntry(manga)
+        // <-- EXH
+
+        try {
+            val source = backupManager.sourceManager.get(manga.source)
+            if (source != null) {
+                restoreMangaData(manga, source, chapters, categories, history, tracks)
+            } else {
+                val message = if (manga.source in sourceMapping) {
+                    getString(R.string.source_not_found_name, sourceMapping[manga.source])
+                } else {
+                    getString(R.string.source_not_found)
+                }
+
+                errors.add(Date() to "${manga.title} - $message")
+            }
+        } catch (e: Exception) {
+            errors.add(Date() to "${manga.title} - ${e.message}")
+        }
+
+        restoreProgress += 1
+        showRestoreProgress(restoreProgress, restoreAmount, manga.title)
+    }
+
+    /**
+     * Returns a manga restore observable
+     *
+     * @param manga manga data from json
+     * @param source source to get manga data from
+     * @param chapters chapters data from json
+     * @param categories categories data from json
+     * @param history history data from json
+     * @param tracks tracking data from json
+     */
+    private fun restoreMangaData(
+        manga: Manga,
+        source: Source,
+        chapters: List<Chapter>,
+        categories: List<String>,
+        history: List<DHistory>,
+        tracks: List<Track>
+    ) {
+        val dbManga = backupManager.getMangaFromDatabase(manga)
+
+        db.inTransaction {
+            if (dbManga == null) {
+                // Manga not in database
+                restoreMangaFetch(source, manga, chapters, categories, history, tracks)
+            } else { // Manga in database
+                // Copy information from manga already in database
+                backupManager.restoreMangaNoFetch(manga, dbManga)
+                // Fetch rest of manga information
+                restoreMangaNoFetch(source, manga, chapters, categories, history, tracks)
+            }
+        }
+    }
+
+    /**
+     * [Observable] that fetches manga information
+     *
+     * @param manga manga that needs updating
+     * @param chapters chapters of manga that needs updating
+     * @param categories categories that need updating
+     */
+    private fun restoreMangaFetch(
+        source: Source,
+        manga: Manga,
+        chapters: List<Chapter>,
+        categories: List<String>,
+        history: List<DHistory>,
+        tracks: List<Track>
+    ) {
+        backupManager.restoreMangaFetchObservable(source, manga)
+            .onErrorReturn {
+                errors.add(Date() to "${manga.title} - ${it.message}")
+                manga
+            }
+            .filter { it.id != null }
+            .flatMap {
+                chapterFetchObservable(source, it, chapters)
+                    // Convert to the manga that contains new chapters.
+                    .map { manga }
+            }
+            .doOnNext {
+                restoreExtraForManga(it, categories, history, tracks)
+            }
+            .flatMap {
+                trackingFetchObservable(it, tracks)
+            }
+            .subscribe()
+    }
+
+    private fun restoreMangaNoFetch(
+        source: Source,
+        backupManga: Manga,
+        chapters: List<Chapter>,
+        categories: List<String>,
+        history: List<DHistory>,
+        tracks: List<Track>
+    ) {
+        Observable.just(backupManga)
+            .flatMap { manga ->
+                if (!backupManager.restoreChaptersForManga(manga, chapters)) {
+                    chapterFetchObservable(source, manga, chapters)
+                        .map { manga }
+                } else {
+                    Observable.just(manga)
+                }
+            }
+            .doOnNext {
+                restoreExtraForManga(it, categories, history, tracks)
+            }
+            .flatMap { manga ->
+                trackingFetchObservable(manga, tracks)
+            }
+            .subscribe()
+    }
+
+    private fun restoreExtraForManga(manga: Manga, categories: List<String>, history: List<DHistory>, tracks: List<Track>) {
+        // Restore categories
+        backupManager.restoreCategoriesForManga(manga, categories)
+
+        // Restore history
+        backupManager.restoreHistoryForManga(history)
+
+        // Restore tracking
+        backupManager.restoreTrackForManga(manga, tracks)
+    }
+
+    /**
+     * [Observable] that fetches chapter information
+     *
+     * @param source source of manga
+     * @param manga manga that needs updating
+     * @return [Observable] that contains manga
+     */
+    private fun chapterFetchObservable(source: Source, manga: Manga, chapters: List<Chapter>): Observable<Pair<List<Chapter>, List<Chapter>>> {
+        return backupManager.restoreChapterFetchObservable(source, manga, chapters, throttleManager)
+            // If there's any error, return empty update and continue.
+            .onErrorReturn {
+                errors.add(Date() to "${manga.title} - ${it.message}")
+                Pair(emptyList(), emptyList())
+            }
+    }
+
+    /**
+     * [Observable] that refreshes tracking information
+     * @param manga manga that needs updating.
+     * @param tracks list containing tracks from restore file.
+     * @return [Observable] that contains updated track item
+     */
+    private fun trackingFetchObservable(manga: Manga, tracks: List<Track>): Observable<Track> {
+        return Observable.from(tracks)
+            .flatMap { track ->
+                val service = trackManager.getService(track.sync_id)
+                if (service != null && service.isLogged) {
+                    service.refresh(track)
+                        .doOnNext { db.insertTrack(it).executeAsBlocking() }
+                        .onErrorReturn {
+                            errors.add(Date() to "${manga.title} - ${it.message}")
+                            track
+                        }
+                } else {
+                    errors.add(Date() to "${manga.title} - ${getString(R.string.tracker_not_logged_in, service?.name)}")
+                    Observable.empty()
+                }
+            }
+    }
+
+    /**
+     * Called to update dialog in [BackupConst]
+     *
+     * @param progress restore progress
+     * @param amount total restoreAmount of manga
+     * @param title title of restored manga
+     */
+    private fun showRestoreProgress(
+        progress: Int,
+        amount: Int,
+        title: String
+    ) {
+        notifier.showRestoreProgress(title, progress, amount)
+    }
+
+    /**
+     * Write errors to error log
+     */
+    private fun writeErrorLog(): File {
+        try {
+            if (errors.isNotEmpty()) {
+                val destFile = File(externalCacheDir, "tachiyomi_restore.txt")
+                val sdf = SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS", Locale.getDefault())
+
+                destFile.bufferedWriter().use { out ->
+                    errors.forEach { (date, message) ->
+                        out.write("[${sdf.format(date)}] $message\n")
+                    }
+                }
+                return destFile
+            }
+        } catch (e: Exception) {
+            // Empty
+        }
+        return File("")
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupRestoreValidator.kt

@@ -0,0 +1,46 @@
+package eu.kanade.tachiyomi.data.backup
+
+import android.content.Context
+import android.net.Uri
+import com.google.gson.JsonObject
+import com.google.gson.JsonParser
+import com.google.gson.stream.JsonReader
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.backup.models.Backup
+
+object BackupRestoreValidator {
+
+    /**
+     * Checks for critical backup file data.
+     *
+     * @throws Exception if version or manga cannot be found.
+     * @return List of required sources.
+     */
+    fun validate(context: Context, uri: Uri): Map<Long, String> {
+        val reader = JsonReader(context.contentResolver.openInputStream(uri)!!.bufferedReader())
+        val json = JsonParser.parseReader(reader).asJsonObject
+
+        val version = json.get(Backup.VERSION)
+        val mangasJson = json.get(Backup.MANGAS)
+        if (version == null || mangasJson == null) {
+            throw Exception(context.getString(R.string.invalid_backup_file_missing_data))
+        }
+
+        if (mangasJson.asJsonArray.size() == 0) {
+            throw Exception(context.getString(R.string.invalid_backup_file_missing_manga))
+        }
+
+        return getSourceMapping(json)
+    }
+
+    fun getSourceMapping(json: JsonObject): Map<Long, String> {
+        val extensionsMapping = json.get(Backup.EXTENSIONS) ?: return emptyMap()
+
+        return extensionsMapping.asJsonArray
+            .map {
+                val items = it.asString.split(":")
+                items[0].toLong() to items[1]
+            }
+            .toMap()
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/models/Backup.kt

@@ -0,0 +1,25 @@
+package eu.kanade.tachiyomi.data.backup.models
+
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.Locale
+
+/**
+ * Json values
+ */
+object Backup {
+    const val CURRENT_VERSION = 2
+    const val MANGA = "manga"
+    const val MANGAS = "mangas"
+    const val TRACK = "track"
+    const val CHAPTERS = "chapters"
+    const val CATEGORIES = "categories"
+    const val EXTENSIONS = "extensions"
+    const val HISTORY = "history"
+    const val VERSION = "version"
+
+    fun getDefaultFilename(): String {
+        val date = SimpleDateFormat("yyyy-MM-dd_HH-mm", Locale.getDefault()).format(Date())
+        return "tachiyomi_$date.json"
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/models/DHistory.kt

@@ -0,0 +1,3 @@
+package eu.kanade.tachiyomi.data.backup.models
+
+data class DHistory(val url: String, val lastRead: Long)

app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/CategoryTypeAdapter.kt

@@ -0,0 +1,31 @@
+package eu.kanade.tachiyomi.data.backup.serializer
+
+import com.github.salomonbrys.kotson.typeAdapter
+import com.google.gson.TypeAdapter
+import eu.kanade.tachiyomi.data.database.models.CategoryImpl
+
+/**
+ * JSON Serializer used to write / read [CategoryImpl] to / from json
+ */
+object CategoryTypeAdapter {
+
+    fun build(): TypeAdapter<CategoryImpl> {
+        return typeAdapter {
+            write {
+                beginArray()
+                value(it.name)
+                value(it.order)
+                endArray()
+            }
+
+            read {
+                beginArray()
+                val category = CategoryImpl()
+                category.name = nextString()
+                category.order = nextInt()
+                endArray()
+                category
+            }
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/ChapterTypeAdapter.kt

@@ -0,0 +1,59 @@
+package eu.kanade.tachiyomi.data.backup.serializer
+
+import com.github.salomonbrys.kotson.typeAdapter
+import com.google.gson.TypeAdapter
+import com.google.gson.stream.JsonToken
+import eu.kanade.tachiyomi.data.database.models.ChapterImpl
+
+/**
+ * JSON Serializer used to write / read [ChapterImpl] to / from json
+ */
+object ChapterTypeAdapter {
+
+    private const val URL = "u"
+    private const val READ = "r"
+    private const val BOOKMARK = "b"
+    private const val LAST_READ = "l"
+
+    fun build(): TypeAdapter<ChapterImpl> {
+        return typeAdapter {
+            write {
+                if (it.read || it.bookmark || it.last_page_read != 0) {
+                    beginObject()
+                    name(URL)
+                    value(it.url)
+                    if (it.read) {
+                        name(READ)
+                        value(1)
+                    }
+                    if (it.bookmark) {
+                        name(BOOKMARK)
+                        value(1)
+                    }
+                    if (it.last_page_read != 0) {
+                        name(LAST_READ)
+                        value(it.last_page_read)
+                    }
+                    endObject()
+                }
+            }
+
+            read {
+                val chapter = ChapterImpl()
+                beginObject()
+                while (hasNext()) {
+                    if (peek() == JsonToken.NAME) {
+                        when (nextName()) {
+                            URL -> chapter.url = nextString()
+                            READ -> chapter.read = nextInt() == 1
+                            BOOKMARK -> chapter.bookmark = nextInt() == 1
+                            LAST_READ -> chapter.last_page_read = nextInt()
+                        }
+                    }
+                }
+                endObject()
+                chapter
+            }
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/HistoryTypeAdapter.kt

@@ -0,0 +1,32 @@
+package eu.kanade.tachiyomi.data.backup.serializer
+
+import com.github.salomonbrys.kotson.typeAdapter
+import com.google.gson.TypeAdapter
+import eu.kanade.tachiyomi.data.backup.models.DHistory
+
+/**
+ * JSON Serializer used to write / read [DHistory] to / from json
+ */
+object HistoryTypeAdapter {
+
+    fun build(): TypeAdapter<DHistory> {
+        return typeAdapter {
+            write {
+                if (it.lastRead != 0L) {
+                    beginArray()
+                    value(it.url)
+                    value(it.lastRead)
+                    endArray()
+                }
+            }
+
+            read {
+                beginArray()
+                val url = nextString()
+                val lastRead = nextLong()
+                endArray()
+                DHistory(url, lastRead)
+            }
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/MangaTypeAdapter.kt

@@ -0,0 +1,37 @@
+package eu.kanade.tachiyomi.data.backup.serializer
+
+import com.github.salomonbrys.kotson.typeAdapter
+import com.google.gson.TypeAdapter
+import eu.kanade.tachiyomi.data.database.models.MangaImpl
+
+/**
+ * JSON Serializer used to write / read [MangaImpl] to / from json
+ */
+object MangaTypeAdapter {
+
+    fun build(): TypeAdapter<MangaImpl> {
+        return typeAdapter {
+            write {
+                beginArray()
+                value(it.url)
+                value(it.title)
+                value(it.source)
+                value(it.viewer)
+                value(it.chapter_flags)
+                endArray()
+            }
+
+            read {
+                beginArray()
+                val manga = MangaImpl()
+                manga.url = nextString()
+                manga.title = nextString()
+                manga.source = nextLong()
+                manga.viewer = nextInt()
+                manga.chapter_flags = nextInt()
+                endArray()
+                manga
+            }
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/TrackTypeAdapter.kt

@@ -0,0 +1,59 @@
+package eu.kanade.tachiyomi.data.backup.serializer
+
+import com.github.salomonbrys.kotson.typeAdapter
+import com.google.gson.TypeAdapter
+import com.google.gson.stream.JsonToken
+import eu.kanade.tachiyomi.data.database.models.TrackImpl
+
+/**
+ * JSON Serializer used to write / read [TrackImpl] to / from json
+ */
+object TrackTypeAdapter {
+
+    private const val SYNC = "s"
+    private const val MEDIA = "r"
+    private const val LIBRARY = "ml"
+    private const val TITLE = "t"
+    private const val LAST_READ = "l"
+    private const val TRACKING_URL = "u"
+
+    fun build(): TypeAdapter<TrackImpl> {
+        return typeAdapter {
+            write {
+                beginObject()
+                name(TITLE)
+                value(it.title)
+                name(SYNC)
+                value(it.sync_id)
+                name(MEDIA)
+                value(it.media_id)
+                name(LIBRARY)
+                value(it.library_id)
+                name(LAST_READ)
+                value(it.last_chapter_read)
+                name(TRACKING_URL)
+                value(it.tracking_url)
+                endObject()
+            }
+
+            read {
+                val track = TrackImpl()
+                beginObject()
+                while (hasNext()) {
+                    if (peek() == JsonToken.NAME) {
+                        when (nextName()) {
+                            TITLE -> track.title = nextString()
+                            SYNC -> track.sync_id = nextInt()
+                            MEDIA -> track.media_id = nextInt()
+                            LIBRARY -> track.library_id = nextLong()
+                            LAST_READ -> track.last_chapter_read = nextInt()
+                            TRACKING_URL -> track.tracking_url = nextString()
+                        }
+                    }
+                }
+                endObject()
+                track
+            }
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.java

@@ -1,268 +0,0 @@
-package eu.kanade.tachiyomi.data.cache;
-
-import android.content.Context;
-import android.text.format.Formatter;
-
-import com.google.gson.Gson;
-import com.google.gson.reflect.TypeToken;
-import com.jakewharton.disklrucache.DiskLruCache;
-
-import java.io.BufferedOutputStream;
-import java.io.File;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.lang.reflect.Type;
-import java.util.List;
-
-import eu.kanade.tachiyomi.data.source.model.Page;
-import eu.kanade.tachiyomi.util.DiskUtils;
-import okhttp3.Response;
-import okio.BufferedSink;
-import okio.Okio;
-import rx.Observable;
-
-/**
- * Class used to create chapter cache
- * For each image in a chapter a file is created
- * For each chapter a Json list is created and converted to a file.
- * The files are in format *md5key*.0
- */
-public class ChapterCache {
-
-    /** Name of cache directory. */
-    private static final String PARAMETER_CACHE_DIRECTORY = "chapter_disk_cache";
-
-    /** Application cache version. */
-    private static final int PARAMETER_APP_VERSION = 1;
-
-    /** The number of values per cache entry. Must be positive. */
-    private static final int PARAMETER_VALUE_COUNT = 1;
-
-    /** The maximum number of bytes this cache should use to store. */
-    private static final int PARAMETER_CACHE_SIZE = 75 * 1024 * 1024;
-
-    /** Interface to global information about an application environment. */
-    private final Context context;
-
-    /** Google Json class used for parsing JSON files. */
-    private final Gson gson;
-
-    /** Cache class used for cache management. */
-    private DiskLruCache diskCache;
-
-    /** Page list collection used for deserializing from JSON. */
-    private final Type pageListCollection;
-
-    /**
-     * Constructor of ChapterCache.
-     * @param context application environment interface.
-     */
-    public ChapterCache(Context context) {
-        this.context = context;
-
-        // Initialize Json handler.
-        gson = new Gson();
-
-        // Try to open cache in default cache directory.
-        try {
-            diskCache = DiskLruCache.open(
-                    new File(context.getCacheDir(), PARAMETER_CACHE_DIRECTORY),
-                    PARAMETER_APP_VERSION,
-                    PARAMETER_VALUE_COUNT,
-                    PARAMETER_CACHE_SIZE
-            );
-        } catch (IOException e) {
-            // Do Nothing.
-        }
-
-        pageListCollection = new TypeToken<List<Page>>() {}.getType();
-    }
-
-    /**
-     * Returns directory of cache.
-     * @return directory of cache.
-     */
-    public File getCacheDir() {
-        return diskCache.getDirectory();
-    }
-
-    /**
-     * Returns real size of directory.
-     * @return real size of directory.
-     */
-    private long getRealSize() {
-        return DiskUtils.getDirectorySize(getCacheDir());
-    }
-
-    /**
-     * Returns real size of directory in human readable format.
-     * @return real size of directory.
-     */
-    public String getReadableSize() {
-        return Formatter.formatFileSize(context, getRealSize());
-    }
-
-    /**
-     * Remove file from cache.
-     * @param file name of file "md5.0".
-     * @return status of deletion for the file.
-     */
-    public boolean removeFileFromCache(String file) {
-        // Make sure we don't delete the journal file (keeps track of cache).
-        if (file.equals("journal") || file.startsWith("journal."))
-            return false;
-
-        try {
-            // Remove the extension from the file to get the key of the cache
-            String key = file.substring(0, file.lastIndexOf("."));
-            // Remove file from cache.
-            return diskCache.remove(key);
-        } catch (IOException e) {
-            return false;
-        }
-    }
-
-    /**
-     * Get page list from cache.
-     * @param chapterUrl the url of the chapter.
-     * @return an observable of the list of pages.
-     */
-    public Observable<List<Page>> getPageListFromCache(final String chapterUrl) {
-        return Observable.fromCallable(() -> {
-            // Initialize snapshot (a snapshot of the values for an entry).
-            DiskLruCache.Snapshot snapshot = null;
-
-            try {
-                // Create md5 key and retrieve snapshot.
-                String key = DiskUtils.hashKeyForDisk(chapterUrl);
-                snapshot = diskCache.get(key);
-
-                // Convert JSON string to list of objects.
-                return gson.fromJson(snapshot.getString(0), pageListCollection);
-
-            } finally {
-                if (snapshot != null) {
-                    snapshot.close();
-                }
-            }
-        });
-    }
-
-    /**
-     * Add page list to disk cache.
-     * @param chapterUrl the url of the chapter.
-     * @param pages list of pages.
-     */
-    public void putPageListToCache(final String chapterUrl, final List<Page> pages) {
-        // Convert list of pages to json string.
-        String cachedValue = gson.toJson(pages);
-
-        // Initialize the editor (edits the values for an entry).
-        DiskLruCache.Editor editor = null;
-
-        // Initialize OutputStream.
-        OutputStream outputStream = null;
-
-        try {
-            // Get editor from md5 key.
-            String key = DiskUtils.hashKeyForDisk(chapterUrl);
-            editor = diskCache.edit(key);
-            if (editor == null) {
-                return;
-            }
-
-            // Write chapter urls to cache.
-            outputStream = new BufferedOutputStream(editor.newOutputStream(0));
-            outputStream.write(cachedValue.getBytes());
-            outputStream.flush();
-
-            diskCache.flush();
-            editor.commit();
-        } catch (Exception e) {
-            // Do Nothing.
-        } finally {
-            if (editor != null) {
-                editor.abortUnlessCommitted();
-            }
-            if (outputStream != null) {
-                try {
-                    outputStream.close();
-                } catch (IOException ignore) {
-                    // Do Nothing.
-                }
-            }
-        }
-    }
-
-    /**
-     * Check if image is in cache.
-     * @param imageUrl url of image.
-     * @return true if in cache otherwise false.
-     */
-    public boolean isImageInCache(final String imageUrl) {
-        try {
-            return diskCache.get(DiskUtils.hashKeyForDisk(imageUrl)) != null;
-        } catch (IOException e) {
-            return false;
-        }
-    }
-
-    /**
-     * Get image path from url.
-     * @param imageUrl url of image.
-     * @return path of image.
-     */
-    public String getImagePath(final String imageUrl) {
-        try {
-            // Get file from md5 key.
-            String imageName = DiskUtils.hashKeyForDisk(imageUrl) + ".0";
-            File file = new File(diskCache.getDirectory(), imageName);
-            return file.getCanonicalPath();
-        } catch (IOException e) {
-            return null;
-        }
-    }
-
-    /**
-     * Add image to cache.
-     * @param imageUrl url of image.
-     * @param response http response from page.
-     * @throws IOException image error.
-     */
-    public void putImageToCache(final String imageUrl, final Response response) throws IOException {
-        // Initialize editor (edits the values for an entry).
-        DiskLruCache.Editor editor = null;
-
-        // Initialize BufferedSink (used for small writes).
-        BufferedSink sink = null;
-
-        try {
-            // Get editor from md5 key.
-            String key = DiskUtils.hashKeyForDisk(imageUrl);
-            editor = diskCache.edit(key);
-            if (editor == null) {
-                throw new IOException("Unable to edit key");
-            }
-
-            // Initialize OutputStream and write image.
-            OutputStream outputStream = new BufferedOutputStream(editor.newOutputStream(0));
-            sink = Okio.buffer(Okio.sink(outputStream));
-            sink.writeAll(response.body().source());
-
-            diskCache.flush();
-            editor.commit();
-        } catch (Exception e) {
-            response.body().close();
-            throw new IOException("Unable to save image");
-        } finally {
-            if (editor != null) {
-                editor.abortUnlessCommitted();
-            }
-            if (sink != null) {
-                sink.close();
-            }
-        }
-    }
-
-}
-

app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.kt

@@ -0,0 +1,234 @@
+package eu.kanade.tachiyomi.data.cache
+
+import android.content.Context
+import android.text.format.Formatter
+import com.github.salomonbrys.kotson.fromJson
+import com.google.gson.Gson
+import com.jakewharton.disklrucache.DiskLruCache
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.source.model.Page
+import eu.kanade.tachiyomi.util.storage.DiskUtil
+import eu.kanade.tachiyomi.util.storage.saveTo
+import java.io.File
+import java.io.IOException
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+import okhttp3.Response
+import okio.buffer
+import okio.sink
+import rx.Observable
+import uy.kohesive.injekt.injectLazy
+
+/**
+ * Class used to create chapter cache
+ * For each image in a chapter a file is created
+ * For each chapter a Json list is created and converted to a file.
+ * The files are in format *md5key*.0
+ *
+ * @param context the application context.
+ * @constructor creates an instance of the chapter cache.
+ */
+class ChapterCache(private val context: Context) {
+
+    companion object {
+        /** Name of cache directory.  */
+        const val PARAMETER_CACHE_DIRECTORY = "chapter_disk_cache"
+
+        /** Application cache version.  */
+        const val PARAMETER_APP_VERSION = 1
+
+        /** The number of values per cache entry. Must be positive.  */
+        const val PARAMETER_VALUE_COUNT = 1
+    }
+
+    private val scope = CoroutineScope(Job() + Dispatchers.Main)
+
+    /** Google Json class used for parsing JSON files.  */
+    private val gson: Gson by injectLazy()
+
+    // --> EH
+    private val prefs: PreferencesHelper by injectLazy()
+    // <-- EH
+
+    /** Cache class used for cache management.  */
+    // --> EH
+    private var diskCache = setupDiskCache(prefs.eh_cacheSize().get().toLong())
+
+    init {
+        prefs.eh_cacheSize().asFlow()
+            .onEach {
+                // Save old cache for destruction later
+                val oldCache = diskCache
+                diskCache = setupDiskCache(it.toLong())
+                oldCache.close()
+            }
+            .launchIn(scope)
+    }
+    // <-- EH
+
+    /**
+     * Returns directory of cache.
+     */
+    val cacheDir: File
+        get() = diskCache.directory
+
+    /**
+     * Returns real size of directory.
+     */
+    private val realSize: Long
+        get() = DiskUtil.getDirectorySize(cacheDir)
+
+    /**
+     * Returns real size of directory in human readable format.
+     */
+    val readableSize: String
+        get() = Formatter.formatFileSize(context, realSize)
+
+    // --> EH
+    // Cache size is in MB
+    private fun setupDiskCache(cacheSize: Long): DiskLruCache {
+        return DiskLruCache.open(
+            File(context.cacheDir, PARAMETER_CACHE_DIRECTORY),
+            PARAMETER_APP_VERSION,
+            PARAMETER_VALUE_COUNT,
+            cacheSize * 1024 * 1024
+        )
+    }
+    // <-- EH
+
+    /**
+     * Remove file from cache.
+     *
+     * @param file name of file "md5.0".
+     * @return status of deletion for the file.
+     */
+    fun removeFileFromCache(file: String): Boolean {
+        // Make sure we don't delete the journal file (keeps track of cache).
+        if (file == "journal" || file.startsWith("journal.")) {
+            return false
+        }
+
+        return try {
+            // Remove the extension from the file to get the key of the cache
+            val key = file.substringBeforeLast(".")
+            // Remove file from cache.
+            diskCache.remove(key)
+        } catch (e: Exception) {
+            false
+        }
+    }
+
+    /**
+     * Get page list from cache.
+     *
+     * @param chapter the chapter.
+     * @return an observable of the list of pages.
+     */
+    fun getPageListFromCache(chapter: Chapter): Observable<List<Page>> {
+        return Observable.fromCallable {
+            // Get the key for the chapter.
+            val key = DiskUtil.hashKeyForDisk(getKey(chapter))
+
+            // Convert JSON string to list of objects. Throws an exception if snapshot is null
+            diskCache.get(key).use {
+                gson.fromJson<List<Page>>(it.getString(0))
+            }
+        }
+    }
+
+    /**
+     * Add page list to disk cache.
+     *
+     * @param chapter the chapter.
+     * @param pages list of pages.
+     */
+    fun putPageListToCache(chapter: Chapter, pages: List<Page>) {
+        // Convert list of pages to json string.
+        val cachedValue = gson.toJson(pages)
+
+        // Initialize the editor (edits the values for an entry).
+        var editor: DiskLruCache.Editor? = null
+
+        try {
+            // Get editor from md5 key.
+            val key = DiskUtil.hashKeyForDisk(getKey(chapter))
+            editor = diskCache.edit(key) ?: return
+
+            // Write chapter urls to cache.
+            editor.newOutputStream(0).sink().buffer().use {
+                it.write(cachedValue.toByteArray())
+                it.flush()
+            }
+
+            diskCache.flush()
+            editor.commit()
+            editor.abortUnlessCommitted()
+        } catch (e: Exception) {
+            // Ignore.
+        } finally {
+            editor?.abortUnlessCommitted()
+        }
+    }
+
+    /**
+     * Returns true if image is in cache.
+     *
+     * @param imageUrl url of image.
+     * @return true if in cache otherwise false.
+     */
+    fun isImageInCache(imageUrl: String): Boolean {
+        return try {
+            diskCache.get(DiskUtil.hashKeyForDisk(imageUrl)) != null
+        } catch (e: IOException) {
+            false
+        }
+    }
+
+    /**
+     * Get image file from url.
+     *
+     * @param imageUrl url of image.
+     * @return path of image.
+     */
+    fun getImageFile(imageUrl: String): File {
+        // Get file from md5 key.
+        val imageName = DiskUtil.hashKeyForDisk(imageUrl) + ".0"
+        return File(diskCache.directory, imageName)
+    }
+
+    /**
+     * Add image to cache.
+     *
+     * @param imageUrl url of image.
+     * @param response http response from page.
+     * @throws IOException image error.
+     */
+    @Throws(IOException::class)
+    fun putImageToCache(imageUrl: String, response: Response) {
+        // Initialize editor (edits the values for an entry).
+        var editor: DiskLruCache.Editor? = null
+
+        try {
+            // Get editor from md5 key.
+            val key = DiskUtil.hashKeyForDisk(imageUrl)
+            editor = diskCache.edit(key) ?: throw IOException("Unable to edit key")
+
+            // Get OutputStream and write image with Okio.
+            response.body!!.source().saveTo(editor.newOutputStream(0))
+
+            diskCache.flush()
+            editor.commit()
+        } finally {
+            response.body?.close()
+            editor?.abortUnlessCommitted()
+        }
+    }
+
+    private fun getKey(chapter: Chapter): String {
+        return "${chapter.manga_id}${chapter.url}"
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/cache/CoverCache.java

@@ -1,235 +0,0 @@
-package eu.kanade.tachiyomi.data.cache;
-
-import android.content.Context;
-import android.support.annotation.Nullable;
-import android.text.TextUtils;
-import android.widget.ImageView;
-
-import com.bumptech.glide.Glide;
-import com.bumptech.glide.load.engine.DiskCacheStrategy;
-import com.bumptech.glide.load.model.GlideUrl;
-import com.bumptech.glide.load.model.LazyHeaders;
-import com.bumptech.glide.request.animation.GlideAnimation;
-import com.bumptech.glide.request.target.SimpleTarget;
-import com.bumptech.glide.signature.StringSignature;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-
-import eu.kanade.tachiyomi.util.DiskUtils;
-
-/**
- * Class used to create cover cache
- * It is used to store the covers of the library.
- * Makes use of Glide (which can avoid repeating requests) to download covers.
- * Names of files are created with the md5 of the thumbnail URL
- */
-public class CoverCache {
-
-    /**
-     * Name of cache directory.
-     */
-    private static final String PARAMETER_CACHE_DIRECTORY = "cover_disk_cache";
-
-    /**
-     * Interface to global information about an application environment.
-     */
-    private final Context context;
-
-    /**
-     * Cache directory used for cache management.
-     */
-    private final File cacheDir;
-
-    /**
-     * Constructor of CoverCache.
-     *
-     * @param context application environment interface.
-     */
-    public CoverCache(Context context) {
-        this.context = context;
-
-        // Get cache directory from parameter.
-        cacheDir = new File(context.getCacheDir(), PARAMETER_CACHE_DIRECTORY);
-
-        // Create cache directory.
-        createCacheDir();
-    }
-
-    /**
-     * Create cache directory if it doesn't exist
-     *
-     * @return true if cache dir is created otherwise false.
-     */
-    private boolean createCacheDir() {
-        return !cacheDir.exists() && cacheDir.mkdirs();
-    }
-
-    /**
-     * Download the cover with Glide and save the file in this cache.
-     *
-     * @param thumbnailUrl url of thumbnail.
-     * @param headers      headers included in Glide request.
-     */
-    public void save(String thumbnailUrl, LazyHeaders headers) {
-        save(thumbnailUrl, headers, null);
-    }
-
-    /**
-     * Download the cover with Glide and save the file.
-     *
-     * @param thumbnailUrl url of thumbnail.
-     * @param headers      headers included in Glide request.
-     * @param imageView    imageView where picture should be displayed.
-     */
-    private void save(String thumbnailUrl, LazyHeaders headers, @Nullable ImageView imageView) {
-        // Check if url is empty.
-        if (TextUtils.isEmpty(thumbnailUrl))
-            return;
-
-        // Download the cover with Glide and save the file.
-        GlideUrl url = new GlideUrl(thumbnailUrl, headers);
-        Glide.with(context)
-                .load(url)
-                .downloadOnly(new SimpleTarget<File>() {
-                    @Override
-                    public void onResourceReady(File resource, GlideAnimation<? super File> anim) {
-                        try {
-                            // Copy the cover from Glide's cache to local cache.
-                            copyToLocalCache(thumbnailUrl, resource);
-
-                            // Check if imageView isn't null and show picture in imageView.
-                            if (imageView != null) {
-                                loadFromCache(imageView, resource);
-                            }
-                        } catch (IOException e) {
-                            // Do nothing.
-                        }
-                    }
-                });
-    }
-
-    /**
-     * Copy the cover from Glide's cache to this cache.
-     *
-     * @param thumbnailUrl url of thumbnail.
-     * @param source       the cover image.
-     * @throws IOException exception returned
-     */
-    public void copyToLocalCache(String thumbnailUrl, File source) throws IOException {
-        // Create cache directory if needed.
-        createCacheDir();
-
-        // Get destination file.
-        File dest = new File(cacheDir, DiskUtils.hashKeyForDisk(thumbnailUrl));
-
-        // Delete the current file if it exists.
-        if (dest.exists())
-            dest.delete();
-
-        // Write thumbnail image to file.
-        InputStream in = new FileInputStream(source);
-        try {
-            OutputStream out = new FileOutputStream(dest);
-            try {
-                // Transfer bytes from in to out.
-                byte[] buf = new byte[1024];
-                int len;
-                while ((len = in.read(buf)) > 0) {
-                    out.write(buf, 0, len);
-                }
-            } finally {
-                out.close();
-            }
-        } finally {
-            in.close();
-        }
-    }
-
-
-    /**
-     * Returns the cover from cache.
-     *
-     * @param thumbnailUrl the thumbnail url.
-     * @return cover image.
-     */
-    private File getCoverFromCache(String thumbnailUrl) {
-        return new File(cacheDir, DiskUtils.hashKeyForDisk(thumbnailUrl));
-    }
-
-    /**
-     * Delete the cover file from the cache.
-     *
-     * @param thumbnailUrl the thumbnail url.
-     * @return status of deletion.
-     */
-    public boolean deleteCoverFromCache(String thumbnailUrl) {
-        // Check if url is empty.
-        if (TextUtils.isEmpty(thumbnailUrl))
-            return false;
-
-        // Remove file.
-        File file = new File(cacheDir, DiskUtils.hashKeyForDisk(thumbnailUrl));
-        return file.exists() && file.delete();
-    }
-
-    /**
-     * Save or load the image from cache
-     *
-     * @param imageView    imageView where picture should be displayed.
-     * @param thumbnailUrl the thumbnail url.
-     * @param headers      headers included in Glide request.
-     */
-    public void saveOrLoadFromCache(ImageView imageView, String thumbnailUrl, LazyHeaders headers) {
-        // If file exist load it otherwise save it.
-        File localCover = getCoverFromCache(thumbnailUrl);
-        if (localCover.exists()) {
-            loadFromCache(imageView, localCover);
-        } else {
-            save(thumbnailUrl, headers, imageView);
-        }
-    }
-
-    /**
-     * Helper method to load the cover from the cache directory into the specified image view.
-     * Glide stores the resized image in its cache to improve performance.
-     *
-     * @param imageView imageView where picture should be displayed.
-     * @param file      file to load. Must exist!.
-     */
-    private void loadFromCache(ImageView imageView, File file) {
-        Glide.with(context)
-                .load(file)
-                .diskCacheStrategy(DiskCacheStrategy.RESULT)
-                .centerCrop()
-                .signature(new StringSignature(String.valueOf(file.lastModified())))
-                .into(imageView);
-    }
-
-    /**
-     * Helper method to load the cover from network into the specified image view.
-     * The source image is stored in Glide's cache so that it can be easily copied to this cache
-     * if the manga is added to the library.
-     *
-     * @param imageView    imageView where picture should be displayed.
-     * @param thumbnailUrl url of thumbnail.
-     * @param headers      headers included in Glide request.
-     */
-    public void loadFromNetwork(ImageView imageView, String thumbnailUrl, LazyHeaders headers) {
-        // Check if url is empty.
-        if (TextUtils.isEmpty(thumbnailUrl))
-            return;
-
-        GlideUrl url = new GlideUrl(thumbnailUrl, headers);
-        Glide.with(context)
-                .load(url)
-                .diskCacheStrategy(DiskCacheStrategy.SOURCE)
-                .centerCrop()
-                .into(imageView);
-    }
-
-}

app/src/main/java/eu/kanade/tachiyomi/data/cache/CoverCache.kt

@@ -0,0 +1,106 @@
+package eu.kanade.tachiyomi.data.cache
+
+import android.content.Context
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.util.storage.DiskUtil
+import java.io.File
+import java.io.IOException
+import java.io.InputStream
+
+/**
+ * Class used to create cover cache.
+ * It is used to store the covers of the library.
+ * Makes use of Glide (which can avoid repeating requests) to download covers.
+ * Names of files are created with the md5 of the thumbnail URL.
+ *
+ * @param context the application context.
+ * @constructor creates an instance of the cover cache.
+ */
+class CoverCache(private val context: Context) {
+
+    companion object {
+        private const val COVERS_DIR = "covers"
+        private const val CUSTOM_COVERS_DIR = "covers/custom"
+    }
+
+    /**
+     * Cache directory used for cache management.
+     */
+    private val cacheDir = getCacheDir(COVERS_DIR)
+
+    private val customCoverCacheDir = getCacheDir(CUSTOM_COVERS_DIR)
+
+    /**
+     * Returns the cover from cache.
+     *
+     * @param manga the manga.
+     * @return cover image.
+     */
+    fun getCoverFile(manga: Manga): File? {
+        return manga.thumbnail_url?.let {
+            File(cacheDir, DiskUtil.hashKeyForDisk(it))
+        }
+    }
+
+    /**
+     * Returns the custom cover from cache.
+     *
+     * @param manga the manga.
+     * @return cover image.
+     */
+    fun getCustomCoverFile(manga: Manga): File {
+        return File(customCoverCacheDir, DiskUtil.hashKeyForDisk(manga.id.toString()))
+    }
+
+    /**
+     * Saves the given stream as the manga's custom cover to cache.
+     *
+     * @param manga the manga.
+     * @param inputStream the stream to copy.
+     * @throws IOException if there's any error.
+     */
+    @Throws(IOException::class)
+    fun setCustomCoverToCache(manga: Manga, inputStream: InputStream) {
+        getCustomCoverFile(manga).outputStream().use {
+            inputStream.copyTo(it)
+        }
+    }
+
+    /**
+     * Delete the cover files of the manga from the cache.
+     *
+     * @param manga the manga.
+     * @param deleteCustomCover whether the custom cover should be deleted.
+     * @return number of files that were deleted.
+     */
+    fun deleteFromCache(manga: Manga, deleteCustomCover: Boolean = false): Int {
+        var deleted = 0
+
+        getCoverFile(manga)?.let {
+            if (it.exists() && it.delete()) ++deleted
+        }
+
+        if (deleteCustomCover) {
+            if (deleteCustomCover(manga)) ++deleted
+        }
+
+        return deleted
+    }
+
+    /**
+     * Delete custom cover of the manga from the cache
+     *
+     * @param manga the manga.
+     * @return whether the cover was deleted.
+     */
+    fun deleteCustomCover(manga: Manga): Boolean {
+        return getCustomCoverFile(manga).let {
+            it.exists() && it.delete()
+        }
+    }
+
+    private fun getCacheDir(dir: String): File {
+        return context.getExternalFilesDir(dir)
+            ?: File(context.filesDir, dir).also { it.mkdirs() }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/cache/CoverGlideModule.java

@@ -1,30 +0,0 @@
-package eu.kanade.tachiyomi.data.cache;
-
-import android.content.Context;
-
-import com.bumptech.glide.Glide;
-import com.bumptech.glide.GlideBuilder;
-import com.bumptech.glide.load.DecodeFormat;
-import com.bumptech.glide.load.engine.cache.InternalCacheDiskCacheFactory;
-import com.bumptech.glide.module.GlideModule;
-
-/**
- * Class used to update Glide module settings
- */
-public class CoverGlideModule implements GlideModule {
-
-    @Override
-    public void applyOptions(Context context, GlideBuilder builder) {
-        // Bitmaps decoded from most image formats (other than GIFs with hidden configs)
-        // will be decoded with the ARGB_8888 config.
-        builder.setDecodeFormat(DecodeFormat.PREFER_ARGB_8888);
-
-        // Set the cache size of Glide to 15 MiB
-        builder.setDiskCache(new InternalCacheDiskCacheFactory(context, 15 * 1024 * 1024));
-    }
-
-    @Override
-    public void registerComponents(Context context, Glide glide) {
-        // Nothing to see here!
-    }
-}

app/src/main/java/eu/kanade/tachiyomi/data/database/DatabaseHelper.java

@@ -1,408 +0,0 @@
-package eu.kanade.tachiyomi.data.database;
-
-import android.content.Context;
-import android.util.Pair;
-
-import com.pushtorefresh.storio.Queries;
-import com.pushtorefresh.storio.sqlite.StorIOSQLite;
-import com.pushtorefresh.storio.sqlite.impl.DefaultStorIOSQLite;
-import com.pushtorefresh.storio.sqlite.operations.delete.PreparedDeleteByQuery;
-import com.pushtorefresh.storio.sqlite.operations.delete.PreparedDeleteCollectionOfObjects;
-import com.pushtorefresh.storio.sqlite.operations.delete.PreparedDeleteObject;
-import com.pushtorefresh.storio.sqlite.operations.get.PreparedGetListOfObjects;
-import com.pushtorefresh.storio.sqlite.operations.get.PreparedGetObject;
-import com.pushtorefresh.storio.sqlite.operations.put.PreparedPutCollectionOfObjects;
-import com.pushtorefresh.storio.sqlite.operations.put.PreparedPutObject;
-import com.pushtorefresh.storio.sqlite.queries.DeleteQuery;
-import com.pushtorefresh.storio.sqlite.queries.Query;
-import com.pushtorefresh.storio.sqlite.queries.RawQuery;
-
-import java.util.Date;
-import java.util.List;
-
-import eu.kanade.tachiyomi.data.database.models.Category;
-import eu.kanade.tachiyomi.data.database.models.CategorySQLiteTypeMapping;
-import eu.kanade.tachiyomi.data.database.models.Chapter;
-import eu.kanade.tachiyomi.data.database.models.ChapterSQLiteTypeMapping;
-import eu.kanade.tachiyomi.data.database.models.Manga;
-import eu.kanade.tachiyomi.data.database.models.MangaCategory;
-import eu.kanade.tachiyomi.data.database.models.MangaCategorySQLiteTypeMapping;
-import eu.kanade.tachiyomi.data.database.models.MangaChapter;
-import eu.kanade.tachiyomi.data.database.models.MangaSQLiteTypeMapping;
-import eu.kanade.tachiyomi.data.database.models.MangaSync;
-import eu.kanade.tachiyomi.data.database.models.MangaSyncSQLiteTypeMapping;
-import eu.kanade.tachiyomi.data.database.resolvers.LibraryMangaGetResolver;
-import eu.kanade.tachiyomi.data.database.resolvers.MangaChapterGetResolver;
-import eu.kanade.tachiyomi.data.database.tables.CategoryTable;
-import eu.kanade.tachiyomi.data.database.tables.ChapterTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaSyncTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaTable;
-import eu.kanade.tachiyomi.data.mangasync.base.MangaSyncService;
-import eu.kanade.tachiyomi.util.ChapterRecognition;
-import rx.Observable;
-
-public class DatabaseHelper {
-
-    private StorIOSQLite db;
-
-    public DatabaseHelper(Context context) {
-
-        db = DefaultStorIOSQLite.builder()
-                .sqliteOpenHelper(new DbOpenHelper(context))
-                .addTypeMapping(Manga.class, new MangaSQLiteTypeMapping())
-                .addTypeMapping(Chapter.class, new ChapterSQLiteTypeMapping())
-                .addTypeMapping(MangaSync.class, new MangaSyncSQLiteTypeMapping())
-                .addTypeMapping(Category.class, new CategorySQLiteTypeMapping())
-                .addTypeMapping(MangaCategory.class, new MangaCategorySQLiteTypeMapping())
-                .build();
-    }
-
-    // Mangas related queries
-
-    public PreparedGetListOfObjects<Manga> getMangas() {
-        return db.get()
-                .listOfObjects(Manga.class)
-                .withQuery(Query.builder()
-                        .table(MangaTable.TABLE)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedGetListOfObjects<Manga> getLibraryMangas() {
-        return db.get()
-                .listOfObjects(Manga.class)
-                .withQuery(RawQuery.builder()
-                        .query(LibraryMangaGetResolver.QUERY)
-                        .observesTables(MangaTable.TABLE, ChapterTable.TABLE, MangaCategoryTable.TABLE)
-                        .build())
-                .withGetResolver(LibraryMangaGetResolver.INSTANCE)
-                .prepare();
-    }
-
-    public PreparedGetListOfObjects<Manga> getFavoriteMangas() {
-        return db.get()
-                .listOfObjects(Manga.class)
-                .withQuery(Query.builder()
-                        .table(MangaTable.TABLE)
-                        .where(MangaTable.COLUMN_FAVORITE + "=?")
-                        .whereArgs(1)
-                        .orderBy(MangaTable.COLUMN_TITLE)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedGetObject<Manga> getManga(String url, int sourceId) {
-        return db.get()
-                .object(Manga.class)
-                .withQuery(Query.builder()
-                        .table(MangaTable.TABLE)
-                        .where(MangaTable.COLUMN_URL + "=? AND " + MangaTable.COLUMN_SOURCE + "=?")
-                        .whereArgs(url, sourceId)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedGetObject<Manga> getManga(long id) {
-        return db.get()
-                .object(Manga.class)
-                .withQuery(Query.builder()
-                        .table(MangaTable.TABLE)
-                        .where(MangaTable.COLUMN_ID + "=?")
-                        .whereArgs(id)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedPutObject<Manga> insertManga(Manga manga) {
-        return db.put()
-                .object(manga)
-                .prepare();
-    }
-
-    public PreparedPutCollectionOfObjects<Manga> insertMangas(List<Manga> mangas) {
-        return db.put()
-                .objects(mangas)
-                .prepare();
-    }
-
-    public PreparedDeleteObject<Manga> deleteManga(Manga manga) {
-        return db.delete()
-                .object(manga)
-                .prepare();
-    }
-
-    public PreparedDeleteCollectionOfObjects<Manga> deleteMangas(List<Manga> mangas) {
-        return db.delete()
-                .objects(mangas)
-                .prepare();
-    }
-
-    public PreparedDeleteByQuery deleteMangasNotInLibrary() {
-        return db.delete()
-                .byQuery(DeleteQuery.builder()
-                        .table(MangaTable.TABLE)
-                        .where(MangaTable.COLUMN_FAVORITE + "=?")
-                        .whereArgs(0)
-                        .build())
-                .prepare();
-    }
-
-
-    // Chapters related queries
-
-    public PreparedGetListOfObjects<Chapter> getChapters(Manga manga) {
-        return db.get()
-                .listOfObjects(Chapter.class)
-                .withQuery(Query.builder()
-                        .table(ChapterTable.TABLE)
-                        .where(ChapterTable.COLUMN_MANGA_ID + "=?")
-                        .whereArgs(manga.id)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedGetListOfObjects<MangaChapter> getRecentChapters(Date date) {
-        return db.get()
-                .listOfObjects(MangaChapter.class)
-                .withQuery(RawQuery.builder()
-                        .query(MangaChapterGetResolver.getRecentChaptersQuery(date))
-                        .observesTables(ChapterTable.TABLE)
-                        .build())
-                .withGetResolver(MangaChapterGetResolver.INSTANCE)
-                .prepare();
-    }
-
-    public PreparedGetObject<Chapter> getNextChapter(Chapter chapter) {
-        // Add a delta to the chapter number, because binary decimal representation
-        // can retrieve the same chapter again
-        double chapterNumber = chapter.chapter_number + 0.00001;
-
-        return db.get()
-                .object(Chapter.class)
-                .withQuery(Query.builder()
-                        .table(ChapterTable.TABLE)
-                        .where(ChapterTable.COLUMN_MANGA_ID + "=? AND " +
-                                ChapterTable.COLUMN_CHAPTER_NUMBER + ">? AND " +
-                                ChapterTable.COLUMN_CHAPTER_NUMBER + "<=?")
-                        .whereArgs(chapter.manga_id, chapterNumber, chapterNumber + 1)
-                        .orderBy(ChapterTable.COLUMN_CHAPTER_NUMBER)
-                        .limit(1)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedGetObject<Chapter> getPreviousChapter(Chapter chapter) {
-        // Add a delta to the chapter number, because binary decimal representation
-        // can retrieve the same chapter again
-        double chapterNumber = chapter.chapter_number - 0.00001;
-
-        return db.get()
-                .object(Chapter.class)
-                .withQuery(Query.builder()
-                        .table(ChapterTable.TABLE)
-                        .where(ChapterTable.COLUMN_MANGA_ID + "=? AND " +
-                                ChapterTable.COLUMN_CHAPTER_NUMBER + "<? AND " +
-                                ChapterTable.COLUMN_CHAPTER_NUMBER + ">=?")
-                        .whereArgs(chapter.manga_id, chapterNumber, chapterNumber - 1)
-                        .orderBy(ChapterTable.COLUMN_CHAPTER_NUMBER + " DESC")
-                        .limit(1)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedGetObject<Chapter> getNextUnreadChapter(Manga manga) {
-        return db.get()
-                .object(Chapter.class)
-                .withQuery(Query.builder()
-                        .table(ChapterTable.TABLE)
-                        .where(ChapterTable.COLUMN_MANGA_ID + "=? AND " +
-                                ChapterTable.COLUMN_READ + "=? AND " +
-                                ChapterTable.COLUMN_CHAPTER_NUMBER + ">=?")
-                        .whereArgs(manga.id, 0, 0)
-                        .orderBy(ChapterTable.COLUMN_CHAPTER_NUMBER)
-                        .limit(1)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedPutObject<Chapter> insertChapter(Chapter chapter) {
-        return db.put()
-                .object(chapter)
-                .prepare();
-    }
-
-    public PreparedPutCollectionOfObjects<Chapter> insertChapters(List<Chapter> chapters) {
-        return db.put()
-                .objects(chapters)
-                .prepare();
-    }
-
-    // Add new chapters or delete if the source deletes them
-    public Observable<Pair<Integer, Integer>> insertOrRemoveChapters(Manga manga, List<Chapter> sourceChapters) {
-        List<Chapter> dbChapters = getChapters(manga).executeAsBlocking();
-
-        Observable<List<Chapter>> newChapters = Observable.from(sourceChapters)
-                .filter(c -> !dbChapters.contains(c))
-                .doOnNext(c -> {
-                    c.manga_id = manga.id;
-                    ChapterRecognition.parseChapterNumber(c, manga);
-                })
-                .toList();
-
-        Observable<List<Chapter>> deletedChapters = Observable.from(dbChapters)
-                .filter(c -> !sourceChapters.contains(c))
-                .toList();
-
-        return Observable.zip(newChapters, deletedChapters, (toAdd, toDelete) -> {
-            int added = 0;
-            int deleted = 0;
-            db.internal().beginTransaction();
-            try {
-                if (!toAdd.isEmpty()) {
-                    // Set the date fetch for new items in reverse order to allow another sorting method.
-                    // Sources MUST return the chapters from most to less recent, which is common.
-                    long now = new Date().getTime();
-
-                    for (int i = toAdd.size() - 1; i >= 0; i--) {
-                        toAdd.get(i).date_fetch = now++;
-                    }
-                    added = insertChapters(toAdd).executeAsBlocking().numberOfInserts();
-                }
-
-                if (!toDelete.isEmpty()) {
-                    deleted = deleteChapters(toDelete).executeAsBlocking().results().size();
-                }
-
-                db.internal().setTransactionSuccessful();
-            } finally {
-                db.internal().endTransaction();
-            }
-            return Pair.create(added, deleted);
-        });
-    }
-
-    public PreparedDeleteObject<Chapter> deleteChapter(Chapter chapter) {
-        return db.delete()
-                .object(chapter)
-                .prepare();
-    }
-
-    public PreparedDeleteCollectionOfObjects<Chapter> deleteChapters(List<Chapter> chapters) {
-        return db.delete()
-                .objects(chapters)
-                .prepare();
-    }
-
-    // Manga sync related queries
-
-    public PreparedGetObject<MangaSync> getMangaSync(Manga manga, MangaSyncService sync) {
-        return db.get()
-                .object(MangaSync.class)
-                .withQuery(Query.builder()
-                        .table(MangaSyncTable.TABLE)
-                        .where(MangaSyncTable.COLUMN_MANGA_ID + "=? AND " +
-                                MangaSyncTable.COLUMN_SYNC_ID + "=?")
-                        .whereArgs(manga.id, sync.getId())
-                        .build())
-                .prepare();
-    }
-
-    public PreparedGetListOfObjects<MangaSync> getMangasSync(Manga manga) {
-        return db.get()
-                .listOfObjects(MangaSync.class)
-                .withQuery(Query.builder()
-                        .table(MangaSyncTable.TABLE)
-                        .where(MangaSyncTable.COLUMN_MANGA_ID + "=?")
-                        .whereArgs(manga.id)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedPutObject<MangaSync> insertMangaSync(MangaSync manga) {
-        return db.put()
-                .object(manga)
-                .prepare();
-    }
-
-    public PreparedDeleteObject<MangaSync> deleteMangaSync(MangaSync manga) {
-        return db.delete()
-                .object(manga)
-                .prepare();
-    }
-
-    // Categories related queries
-
-    public PreparedGetListOfObjects<Category> getCategories() {
-        return db.get()
-                .listOfObjects(Category.class)
-                .withQuery(Query.builder()
-                        .table(CategoryTable.TABLE)
-                        .orderBy(CategoryTable.COLUMN_ORDER)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedPutObject<Category> insertCategory(Category category) {
-        return db.put()
-                .object(category)
-                .prepare();
-    }
-
-    public PreparedPutCollectionOfObjects<Category> insertCategories(List<Category> categories) {
-        return db.put()
-                .objects(categories)
-                .prepare();
-    }
-
-    public PreparedDeleteObject<Category> deleteCategory(Category category) {
-        return db.delete()
-                .object(category)
-                .prepare();
-    }
-
-    public PreparedDeleteCollectionOfObjects<Category> deleteCategories(List<Category> categories) {
-        return db.delete()
-                .objects(categories)
-                .prepare();
-    }
-
-    public PreparedPutObject<MangaCategory> insertMangaCategory(MangaCategory mangaCategory) {
-        return db.put()
-                .object(mangaCategory)
-                .prepare();
-    }
-
-    public PreparedPutCollectionOfObjects<MangaCategory> insertMangasCategories(List<MangaCategory> mangasCategories) {
-        return db.put()
-                .objects(mangasCategories)
-                .prepare();
-    }
-
-    public PreparedDeleteByQuery deleteOldMangasCategories(List<Manga> mangas) {
-        List<Long> mangaIds = Observable.from(mangas)
-                .map(manga -> manga.id)
-                .toList().toBlocking().single();
-
-        return db.delete()
-                .byQuery(DeleteQuery.builder()
-                        .table(MangaCategoryTable.TABLE)
-                        .where(MangaCategoryTable.COLUMN_MANGA_ID + " IN ("
-                                + Queries.placeholders(mangas.size()) + ")")
-                        .whereArgs(mangaIds.toArray())
-                        .build())
-                .prepare();
-    }
-
-    public void setMangaCategories(List<MangaCategory> mangasCategories, List<Manga> mangas) {
-        db.internal().beginTransaction();
-        try {
-            deleteOldMangasCategories(mangas).executeAsBlocking();
-            insertMangasCategories(mangasCategories).executeAsBlocking();
-            db.internal().setTransactionSuccessful();
-        } finally {
-            db.internal().endTransaction();
-        }
-    }
-
-}

app/src/main/java/eu/kanade/tachiyomi/data/database/DatabaseHelper.kt

@@ -0,0 +1,64 @@
+package eu.kanade.tachiyomi.data.database
+
+import android.content.Context
+import androidx.sqlite.db.SupportSQLiteOpenHelper
+import com.pushtorefresh.storio.sqlite.impl.DefaultStorIOSQLite
+import eu.kanade.tachiyomi.data.database.mappers.CategoryTypeMapping
+import eu.kanade.tachiyomi.data.database.mappers.ChapterTypeMapping
+import eu.kanade.tachiyomi.data.database.mappers.HistoryTypeMapping
+import eu.kanade.tachiyomi.data.database.mappers.MangaCategoryTypeMapping
+import eu.kanade.tachiyomi.data.database.mappers.MangaTypeMapping
+import eu.kanade.tachiyomi.data.database.mappers.TrackTypeMapping
+import eu.kanade.tachiyomi.data.database.models.Category
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.models.History
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.MangaCategory
+import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.database.queries.CategoryQueries
+import eu.kanade.tachiyomi.data.database.queries.ChapterQueries
+import eu.kanade.tachiyomi.data.database.queries.HistoryQueries
+import eu.kanade.tachiyomi.data.database.queries.MangaCategoryQueries
+import eu.kanade.tachiyomi.data.database.queries.MangaQueries
+import eu.kanade.tachiyomi.data.database.queries.TrackQueries
+import exh.metadata.sql.mappers.SearchMetadataTypeMapping
+import exh.metadata.sql.mappers.SearchTagTypeMapping
+import exh.metadata.sql.mappers.SearchTitleTypeMapping
+import exh.metadata.sql.models.SearchMetadata
+import exh.metadata.sql.models.SearchTag
+import exh.metadata.sql.models.SearchTitle
+import exh.metadata.sql.queries.SearchMetadataQueries
+import exh.metadata.sql.queries.SearchTagQueries
+import exh.metadata.sql.queries.SearchTitleQueries
+import io.requery.android.database.sqlite.RequerySQLiteOpenHelperFactory
+
+/**
+ * This class provides operations to manage the database through its interfaces.
+ */
+open class DatabaseHelper(context: Context) :
+    MangaQueries, ChapterQueries, TrackQueries, CategoryQueries, MangaCategoryQueries, HistoryQueries, /* EXH --> */ SearchMetadataQueries, SearchTagQueries, SearchTitleQueries /* EXH <-- */ {
+
+    private val configuration = SupportSQLiteOpenHelper.Configuration.builder(context)
+        .name(DbOpenCallback.DATABASE_NAME)
+        .callback(DbOpenCallback())
+        .build()
+
+    override val db = DefaultStorIOSQLite.builder()
+        .sqliteOpenHelper(RequerySQLiteOpenHelperFactory().create(configuration))
+        .addTypeMapping(Manga::class.java, MangaTypeMapping())
+        .addTypeMapping(Chapter::class.java, ChapterTypeMapping())
+        .addTypeMapping(Track::class.java, TrackTypeMapping())
+        .addTypeMapping(Category::class.java, CategoryTypeMapping())
+        .addTypeMapping(MangaCategory::class.java, MangaCategoryTypeMapping())
+        .addTypeMapping(History::class.java, HistoryTypeMapping())
+        // EXH -->
+        .addTypeMapping(SearchMetadata::class.java, SearchMetadataTypeMapping())
+        .addTypeMapping(SearchTag::class.java, SearchTagTypeMapping())
+        .addTypeMapping(SearchTitle::class.java, SearchTitleTypeMapping())
+        // EXH <--
+        .build()
+
+    inline fun inTransaction(block: () -> Unit) = db.inTransaction(block)
+
+    fun lowLevel() = db.lowLevel()
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/DbExtensions.kt

@@ -0,0 +1,24 @@
+package eu.kanade.tachiyomi.data.database
+
+import com.pushtorefresh.storio.sqlite.StorIOSQLite
+
+inline fun StorIOSQLite.inTransaction(block: () -> Unit) {
+    lowLevel().beginTransaction()
+    try {
+        block()
+        lowLevel().setTransactionSuccessful()
+    } finally {
+        lowLevel().endTransaction()
+    }
+}
+
+inline fun <T> StorIOSQLite.inTransactionReturn(block: () -> T): T {
+    lowLevel().beginTransaction()
+    try {
+        val result = block()
+        lowLevel().setTransactionSuccessful()
+        return result
+    } finally {
+        lowLevel().endTransaction()
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/DbOpenCallback.kt

@@ -0,0 +1,74 @@
+package eu.kanade.tachiyomi.data.database
+
+import androidx.sqlite.db.SupportSQLiteDatabase
+import androidx.sqlite.db.SupportSQLiteOpenHelper
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable
+import eu.kanade.tachiyomi.data.database.tables.MangaTable
+import eu.kanade.tachiyomi.data.database.tables.MergedTable
+import eu.kanade.tachiyomi.data.database.tables.TrackTable
+import exh.metadata.sql.tables.SearchMetadataTable
+import exh.metadata.sql.tables.SearchTagTable
+import exh.metadata.sql.tables.SearchTitleTable
+
+class DbOpenCallback : SupportSQLiteOpenHelper.Callback(DATABASE_VERSION) {
+
+    companion object {
+        /**
+         * Name of the database file.
+         */
+        const val DATABASE_NAME = "tachiyomi.db"
+
+        /**
+         * Version of the database.
+         */
+        const val DATABASE_VERSION = 2 // [SY]
+    }
+
+    override fun onCreate(db: SupportSQLiteDatabase) = with(db) {
+        execSQL(MangaTable.createTableQuery)
+        execSQL(ChapterTable.createTableQuery)
+        execSQL(TrackTable.createTableQuery)
+        execSQL(CategoryTable.createTableQuery)
+        execSQL(MangaCategoryTable.createTableQuery)
+        execSQL(HistoryTable.createTableQuery)
+        // EXH -->
+        execSQL(SearchMetadataTable.createTableQuery)
+        execSQL(SearchTagTable.createTableQuery)
+        execSQL(SearchTitleTable.createTableQuery)
+        // EXH <--
+        // AZ -->
+        execSQL(MergedTable.createTableQuery)
+        // AZ <--
+
+        // DB indexes
+        execSQL(MangaTable.createUrlIndexQuery)
+        execSQL(MangaTable.createLibraryIndexQuery)
+        execSQL(ChapterTable.createMangaIdIndexQuery)
+        execSQL(ChapterTable.createUnreadChaptersIndexQuery)
+        execSQL(HistoryTable.createChapterIdIndexQuery)
+        // EXH -->
+        db.execSQL(SearchMetadataTable.createUploaderIndexQuery)
+        db.execSQL(SearchMetadataTable.createIndexedExtraIndexQuery)
+        db.execSQL(SearchTagTable.createMangaIdIndexQuery)
+        db.execSQL(SearchTagTable.createNamespaceNameIndexQuery)
+        db.execSQL(SearchTitleTable.createMangaIdIndexQuery)
+        db.execSQL(SearchTitleTable.createTitleIndexQuery)
+        // EXH <--
+        // AZ -->
+        execSQL(MergedTable.createIndexQuery)
+        // AZ <--
+    }
+
+    override fun onUpgrade(db: SupportSQLiteDatabase, oldVersion: Int, newVersion: Int) {
+        if (oldVersion < 2) {
+            db.execSQL(MangaTable.addCoverLastModified)
+        }
+    }
+
+    override fun onConfigure(db: SupportSQLiteDatabase) {
+        db.setForeignKeyConstraintsEnabled(true)
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/DbOpenHelper.java

@@ -1,47 +0,0 @@
-package eu.kanade.tachiyomi.data.database;
-
-import android.content.Context;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteOpenHelper;
-import android.support.annotation.NonNull;
-
-import eu.kanade.tachiyomi.data.database.tables.CategoryTable;
-import eu.kanade.tachiyomi.data.database.tables.ChapterTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaSyncTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaTable;
-
-public class DbOpenHelper extends SQLiteOpenHelper {
-
-    public static final String DATABASE_NAME = "tachiyomi.db";
-    public static final int DATABASE_VERSION = 1;
-
-    public DbOpenHelper(@NonNull Context context) {
-        super(context, DATABASE_NAME, null, DATABASE_VERSION);
-    }
-
-    @Override
-    public void onCreate(@NonNull SQLiteDatabase db) {
-        db.execSQL(MangaTable.getCreateTableQuery());
-        db.execSQL(ChapterTable.getCreateTableQuery());
-        db.execSQL(MangaSyncTable.getCreateTableQuery());
-        db.execSQL(CategoryTable.getCreateTableQuery());
-        db.execSQL(MangaCategoryTable.getCreateTableQuery());
-
-        // DB indexes
-        db.execSQL(MangaTable.getCreateUrlIndexQuery());
-        db.execSQL(MangaTable.getCreateFavoriteIndexQuery());
-        db.execSQL(ChapterTable.getCreateMangaIdIndexQuery());
-    }
-
-    @Override
-    public void onUpgrade(@NonNull SQLiteDatabase db, int oldVersion, int newVersion) {
-
-    }
-
-    @Override
-    public void onConfigure(@NonNull SQLiteDatabase db) {
-        db.setForeignKeyConstraintsEnabled(true);
-    }
-
-}

app/src/main/java/eu/kanade/tachiyomi/data/database/DbProvider.kt

@@ -0,0 +1,8 @@
+package eu.kanade.tachiyomi.data.database
+
+import com.pushtorefresh.storio.sqlite.impl.DefaultStorIOSQLite
+
+interface DbProvider {
+
+    val db: DefaultStorIOSQLite
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/CategoryTypeMapping.kt

@@ -0,0 +1,69 @@
+package eu.kanade.tachiyomi.data.database.mappers
+
+import android.content.ContentValues
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.SQLiteTypeMapping
+import com.pushtorefresh.storio.sqlite.operations.delete.DefaultDeleteResolver
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import com.pushtorefresh.storio.sqlite.operations.put.DefaultPutResolver
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.InsertQuery
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.models.Category
+import eu.kanade.tachiyomi.data.database.models.CategoryImpl
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable.COL_FLAGS
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable.COL_ID
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable.COL_MANGA_ORDER
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable.COL_NAME
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable.COL_ORDER
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable.TABLE
+
+class CategoryTypeMapping : SQLiteTypeMapping<Category>(
+    CategoryPutResolver(),
+    CategoryGetResolver(),
+    CategoryDeleteResolver()
+)
+
+class CategoryPutResolver : DefaultPutResolver<Category>() {
+
+    override fun mapToInsertQuery(obj: Category) = InsertQuery.builder()
+        .table(TABLE)
+        .build()
+
+    override fun mapToUpdateQuery(obj: Category) = UpdateQuery.builder()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
+
+    override fun mapToContentValues(obj: Category) = ContentValues(4).apply {
+        put(COL_ID, obj.id)
+        put(COL_NAME, obj.name)
+        put(COL_ORDER, obj.order)
+        put(COL_FLAGS, obj.flags)
+        val orderString = obj.mangaOrder.joinToString("/")
+        put(COL_MANGA_ORDER, orderString)
+    }
+}
+
+class CategoryGetResolver : DefaultGetResolver<Category>() {
+
+    override fun mapFromCursor(cursor: Cursor): Category = CategoryImpl().apply {
+        id = cursor.getInt(cursor.getColumnIndex(COL_ID))
+        name = cursor.getString(cursor.getColumnIndex(COL_NAME))
+        order = cursor.getInt(cursor.getColumnIndex(COL_ORDER))
+        flags = cursor.getInt(cursor.getColumnIndex(COL_FLAGS))
+
+        val orderString = cursor.getString(cursor.getColumnIndex(COL_MANGA_ORDER))
+        mangaOrder = orderString?.split("/")?.mapNotNull { it.toLongOrNull() } ?: emptyList()
+    }
+}
+
+class CategoryDeleteResolver : DefaultDeleteResolver<Category>() {
+
+    override fun mapToDeleteQuery(obj: Category) = DeleteQuery.builder()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/ChapterTypeMapping.kt

@@ -0,0 +1,87 @@
+package eu.kanade.tachiyomi.data.database.mappers
+
+import android.content.ContentValues
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.SQLiteTypeMapping
+import com.pushtorefresh.storio.sqlite.operations.delete.DefaultDeleteResolver
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import com.pushtorefresh.storio.sqlite.operations.put.DefaultPutResolver
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.InsertQuery
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.models.ChapterImpl
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_BOOKMARK
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_CHAPTER_NUMBER
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_DATE_FETCH
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_DATE_UPLOAD
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_ID
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_LAST_PAGE_READ
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_MANGA_ID
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_NAME
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_READ
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_SCANLATOR
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_SOURCE_ORDER
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_URL
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.TABLE
+
+class ChapterTypeMapping : SQLiteTypeMapping<Chapter>(
+    ChapterPutResolver(),
+    ChapterGetResolver(),
+    ChapterDeleteResolver()
+)
+
+class ChapterPutResolver : DefaultPutResolver<Chapter>() {
+
+    override fun mapToInsertQuery(obj: Chapter) = InsertQuery.builder()
+        .table(TABLE)
+        .build()
+
+    override fun mapToUpdateQuery(obj: Chapter) = UpdateQuery.builder()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
+
+    override fun mapToContentValues(obj: Chapter) = ContentValues(11).apply {
+        put(COL_ID, obj.id)
+        put(COL_MANGA_ID, obj.manga_id)
+        put(COL_URL, obj.url)
+        put(COL_NAME, obj.name)
+        put(COL_READ, obj.read)
+        put(COL_SCANLATOR, obj.scanlator)
+        put(COL_BOOKMARK, obj.bookmark)
+        put(COL_DATE_FETCH, obj.date_fetch)
+        put(COL_DATE_UPLOAD, obj.date_upload)
+        put(COL_LAST_PAGE_READ, obj.last_page_read)
+        put(COL_CHAPTER_NUMBER, obj.chapter_number)
+        put(COL_SOURCE_ORDER, obj.source_order)
+    }
+}
+
+class ChapterGetResolver : DefaultGetResolver<Chapter>() {
+
+    override fun mapFromCursor(cursor: Cursor): Chapter = ChapterImpl().apply {
+        id = cursor.getLong(cursor.getColumnIndex(COL_ID))
+        manga_id = cursor.getLong(cursor.getColumnIndex(COL_MANGA_ID))
+        url = cursor.getString(cursor.getColumnIndex(COL_URL))
+        name = cursor.getString(cursor.getColumnIndex(COL_NAME))
+        scanlator = cursor.getString(cursor.getColumnIndex(COL_SCANLATOR))
+        read = cursor.getInt(cursor.getColumnIndex(COL_READ)) == 1
+        bookmark = cursor.getInt(cursor.getColumnIndex(COL_BOOKMARK)) == 1
+        date_fetch = cursor.getLong(cursor.getColumnIndex(COL_DATE_FETCH))
+        date_upload = cursor.getLong(cursor.getColumnIndex(COL_DATE_UPLOAD))
+        last_page_read = cursor.getInt(cursor.getColumnIndex(COL_LAST_PAGE_READ))
+        chapter_number = cursor.getFloat(cursor.getColumnIndex(COL_CHAPTER_NUMBER))
+        source_order = cursor.getInt(cursor.getColumnIndex(COL_SOURCE_ORDER))
+    }
+}
+
+class ChapterDeleteResolver : DefaultDeleteResolver<Chapter>() {
+
+    override fun mapToDeleteQuery(obj: Chapter) = DeleteQuery.builder()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/HistoryTypeMapping.kt

@@ -0,0 +1,63 @@
+package eu.kanade.tachiyomi.data.database.mappers
+
+import android.content.ContentValues
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.SQLiteTypeMapping
+import com.pushtorefresh.storio.sqlite.operations.delete.DefaultDeleteResolver
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import com.pushtorefresh.storio.sqlite.operations.put.DefaultPutResolver
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.InsertQuery
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.models.History
+import eu.kanade.tachiyomi.data.database.models.HistoryImpl
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable.COL_CHAPTER_ID
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable.COL_ID
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable.COL_LAST_READ
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable.COL_TIME_READ
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable.TABLE
+
+class HistoryTypeMapping : SQLiteTypeMapping<History>(
+    HistoryPutResolver(),
+    HistoryGetResolver(),
+    HistoryDeleteResolver()
+)
+
+open class HistoryPutResolver : DefaultPutResolver<History>() {
+
+    override fun mapToInsertQuery(obj: History) = InsertQuery.builder()
+        .table(TABLE)
+        .build()
+
+    override fun mapToUpdateQuery(obj: History) = UpdateQuery.builder()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
+
+    override fun mapToContentValues(obj: History) = ContentValues(4).apply {
+        put(COL_ID, obj.id)
+        put(COL_CHAPTER_ID, obj.chapter_id)
+        put(COL_LAST_READ, obj.last_read)
+        put(COL_TIME_READ, obj.time_read)
+    }
+}
+
+class HistoryGetResolver : DefaultGetResolver<History>() {
+
+    override fun mapFromCursor(cursor: Cursor): History = HistoryImpl().apply {
+        id = cursor.getLong(cursor.getColumnIndex(COL_ID))
+        chapter_id = cursor.getLong(cursor.getColumnIndex(COL_CHAPTER_ID))
+        last_read = cursor.getLong(cursor.getColumnIndex(COL_LAST_READ))
+        time_read = cursor.getLong(cursor.getColumnIndex(COL_TIME_READ))
+    }
+}
+
+class HistoryDeleteResolver : DefaultDeleteResolver<History>() {
+
+    override fun mapToDeleteQuery(obj: History) = DeleteQuery.builder()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/MangaCategoryTypeMapping.kt

@@ -0,0 +1,59 @@
+package eu.kanade.tachiyomi.data.database.mappers
+
+import android.content.ContentValues
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.SQLiteTypeMapping
+import com.pushtorefresh.storio.sqlite.operations.delete.DefaultDeleteResolver
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import com.pushtorefresh.storio.sqlite.operations.put.DefaultPutResolver
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.InsertQuery
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.models.MangaCategory
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable.COL_CATEGORY_ID
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable.COL_ID
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable.COL_MANGA_ID
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable.TABLE
+
+class MangaCategoryTypeMapping : SQLiteTypeMapping<MangaCategory>(
+    MangaCategoryPutResolver(),
+    MangaCategoryGetResolver(),
+    MangaCategoryDeleteResolver()
+)
+
+class MangaCategoryPutResolver : DefaultPutResolver<MangaCategory>() {
+
+    override fun mapToInsertQuery(obj: MangaCategory) = InsertQuery.builder()
+        .table(TABLE)
+        .build()
+
+    override fun mapToUpdateQuery(obj: MangaCategory) = UpdateQuery.builder()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
+
+    override fun mapToContentValues(obj: MangaCategory) = ContentValues(3).apply {
+        put(COL_ID, obj.id)
+        put(COL_MANGA_ID, obj.manga_id)
+        put(COL_CATEGORY_ID, obj.category_id)
+    }
+}
+
+class MangaCategoryGetResolver : DefaultGetResolver<MangaCategory>() {
+
+    override fun mapFromCursor(cursor: Cursor): MangaCategory = MangaCategory().apply {
+        id = cursor.getLong(cursor.getColumnIndex(COL_ID))
+        manga_id = cursor.getLong(cursor.getColumnIndex(COL_MANGA_ID))
+        category_id = cursor.getInt(cursor.getColumnIndex(COL_CATEGORY_ID))
+    }
+}
+
+class MangaCategoryDeleteResolver : DefaultDeleteResolver<MangaCategory>() {
+
+    override fun mapToDeleteQuery(obj: MangaCategory) = DeleteQuery.builder()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/MangaTypeMapping.kt

@@ -0,0 +1,105 @@
+package eu.kanade.tachiyomi.data.database.mappers
+
+import android.content.ContentValues
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.SQLiteTypeMapping
+import com.pushtorefresh.storio.sqlite.operations.delete.DefaultDeleteResolver
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import com.pushtorefresh.storio.sqlite.operations.put.DefaultPutResolver
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.InsertQuery
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.MangaImpl
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_ARTIST
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_AUTHOR
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_CHAPTER_FLAGS
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_COVER_LAST_MODIFIED
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_DESCRIPTION
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_FAVORITE
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_GENRE
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_ID
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_INITIALIZED
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_LAST_UPDATE
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_SOURCE
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_STATUS
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_THUMBNAIL_URL
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_TITLE
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_URL
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_VIEWER
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.TABLE
+
+class MangaTypeMapping : SQLiteTypeMapping<Manga>(
+    MangaPutResolver(),
+    MangaGetResolver(),
+    MangaDeleteResolver()
+)
+
+class MangaPutResolver : DefaultPutResolver<Manga>() {
+
+    override fun mapToInsertQuery(obj: Manga) = InsertQuery.builder()
+        .table(TABLE)
+        .build()
+
+    override fun mapToUpdateQuery(obj: Manga) = UpdateQuery.builder()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
+
+    override fun mapToContentValues(obj: Manga) = ContentValues(15).apply {
+        put(COL_ID, obj.id)
+        put(COL_SOURCE, obj.source)
+        put(COL_URL, obj.url)
+        put(COL_ARTIST, obj.artist)
+        put(COL_AUTHOR, obj.author)
+        put(COL_DESCRIPTION, obj.description)
+        put(COL_GENRE, obj.genre)
+        put(COL_TITLE, obj.title)
+        put(COL_STATUS, obj.status)
+        put(COL_THUMBNAIL_URL, obj.thumbnail_url)
+        put(COL_FAVORITE, obj.favorite)
+        put(COL_LAST_UPDATE, obj.last_update)
+        put(COL_INITIALIZED, obj.initialized)
+        put(COL_VIEWER, obj.viewer)
+        put(COL_CHAPTER_FLAGS, obj.chapter_flags)
+        put(COL_COVER_LAST_MODIFIED, obj.cover_last_modified)
+    }
+}
+
+interface BaseMangaGetResolver {
+    fun mapBaseFromCursor(manga: Manga, cursor: Cursor) = manga.apply {
+        id = cursor.getLong(cursor.getColumnIndex(COL_ID))
+        source = cursor.getLong(cursor.getColumnIndex(COL_SOURCE))
+        url = cursor.getString(cursor.getColumnIndex(COL_URL))
+        artist = cursor.getString(cursor.getColumnIndex(COL_ARTIST))
+        author = cursor.getString(cursor.getColumnIndex(COL_AUTHOR))
+        description = cursor.getString(cursor.getColumnIndex(COL_DESCRIPTION))
+        genre = cursor.getString(cursor.getColumnIndex(COL_GENRE))
+        title = cursor.getString(cursor.getColumnIndex(COL_TITLE))
+        status = cursor.getInt(cursor.getColumnIndex(COL_STATUS))
+        thumbnail_url = cursor.getString(cursor.getColumnIndex(COL_THUMBNAIL_URL))
+        favorite = cursor.getInt(cursor.getColumnIndex(COL_FAVORITE)) == 1
+        last_update = cursor.getLong(cursor.getColumnIndex(COL_LAST_UPDATE))
+        initialized = cursor.getInt(cursor.getColumnIndex(COL_INITIALIZED)) == 1
+        viewer = cursor.getInt(cursor.getColumnIndex(COL_VIEWER))
+        chapter_flags = cursor.getInt(cursor.getColumnIndex(COL_CHAPTER_FLAGS))
+        cover_last_modified = cursor.getLong(cursor.getColumnIndex(COL_COVER_LAST_MODIFIED))
+    }
+}
+
+open class MangaGetResolver : DefaultGetResolver<Manga>(), BaseMangaGetResolver {
+
+    override fun mapFromCursor(cursor: Cursor): Manga {
+        return mapBaseFromCursor(MangaImpl(), cursor)
+    }
+}
+
+class MangaDeleteResolver : DefaultDeleteResolver<Manga>() {
+
+    override fun mapToDeleteQuery(obj: Manga) = DeleteQuery.builder()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/TrackTypeMapping.kt

@@ -0,0 +1,90 @@
+package eu.kanade.tachiyomi.data.database.mappers
+
+import android.content.ContentValues
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.SQLiteTypeMapping
+import com.pushtorefresh.storio.sqlite.operations.delete.DefaultDeleteResolver
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import com.pushtorefresh.storio.sqlite.operations.put.DefaultPutResolver
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.InsertQuery
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.database.models.TrackImpl
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_FINISH_DATE
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_ID
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_LAST_CHAPTER_READ
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_LIBRARY_ID
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_MANGA_ID
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_MEDIA_ID
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_SCORE
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_START_DATE
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_STATUS
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_SYNC_ID
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_TITLE
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_TOTAL_CHAPTERS
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_TRACKING_URL
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.TABLE
+
+class TrackTypeMapping : SQLiteTypeMapping<Track>(
+    TrackPutResolver(),
+    TrackGetResolver(),
+    TrackDeleteResolver()
+)
+
+class TrackPutResolver : DefaultPutResolver<Track>() {
+
+    override fun mapToInsertQuery(obj: Track) = InsertQuery.builder()
+        .table(TABLE)
+        .build()
+
+    override fun mapToUpdateQuery(obj: Track) = UpdateQuery.builder()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
+
+    override fun mapToContentValues(obj: Track) = ContentValues(10).apply {
+        put(COL_ID, obj.id)
+        put(COL_MANGA_ID, obj.manga_id)
+        put(COL_SYNC_ID, obj.sync_id)
+        put(COL_MEDIA_ID, obj.media_id)
+        put(COL_LIBRARY_ID, obj.library_id)
+        put(COL_TITLE, obj.title)
+        put(COL_LAST_CHAPTER_READ, obj.last_chapter_read)
+        put(COL_TOTAL_CHAPTERS, obj.total_chapters)
+        put(COL_STATUS, obj.status)
+        put(COL_TRACKING_URL, obj.tracking_url)
+        put(COL_SCORE, obj.score)
+        put(COL_START_DATE, obj.started_reading_date)
+        put(COL_FINISH_DATE, obj.finished_reading_date)
+    }
+}
+
+class TrackGetResolver : DefaultGetResolver<Track>() {
+
+    override fun mapFromCursor(cursor: Cursor): Track = TrackImpl().apply {
+        id = cursor.getLong(cursor.getColumnIndex(COL_ID))
+        manga_id = cursor.getLong(cursor.getColumnIndex(COL_MANGA_ID))
+        sync_id = cursor.getInt(cursor.getColumnIndex(COL_SYNC_ID))
+        media_id = cursor.getInt(cursor.getColumnIndex(COL_MEDIA_ID))
+        library_id = cursor.getLong(cursor.getColumnIndex(COL_LIBRARY_ID))
+        title = cursor.getString(cursor.getColumnIndex(COL_TITLE))
+        last_chapter_read = cursor.getInt(cursor.getColumnIndex(COL_LAST_CHAPTER_READ))
+        total_chapters = cursor.getInt(cursor.getColumnIndex(COL_TOTAL_CHAPTERS))
+        status = cursor.getInt(cursor.getColumnIndex(COL_STATUS))
+        score = cursor.getFloat(cursor.getColumnIndex(COL_SCORE))
+        tracking_url = cursor.getString(cursor.getColumnIndex(COL_TRACKING_URL))
+        started_reading_date = cursor.getLong(cursor.getColumnIndex(COL_START_DATE))
+        finished_reading_date = cursor.getLong(cursor.getColumnIndex(COL_FINISH_DATE))
+    }
+}
+
+class TrackDeleteResolver : DefaultDeleteResolver<Track>() {
+
+    override fun mapToDeleteQuery(obj: Track) = DeleteQuery.builder()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Category.java

@@ -1,38 +0,0 @@
-package eu.kanade.tachiyomi.data.database.models;
-
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteColumn;
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteType;
-
-import java.io.Serializable;
-
-import eu.kanade.tachiyomi.data.database.tables.CategoryTable;
-
-@StorIOSQLiteType(table = CategoryTable.TABLE)
-public class Category implements Serializable {
-
-    @StorIOSQLiteColumn(name = CategoryTable.COLUMN_ID, key = true)
-    public Integer id;
-
-    @StorIOSQLiteColumn(name = CategoryTable.COLUMN_NAME)
-    public String name;
-
-    @StorIOSQLiteColumn(name = CategoryTable.COLUMN_ORDER)
-    public int order;
-
-    @StorIOSQLiteColumn(name = CategoryTable.COLUMN_FLAGS)
-    public int flags;
-
-    public Category() {}
-
-    public static Category create(String name) {
-        Category c = new Category();
-        c.name = name;
-        return c;
-    }
-
-    public static Category createDefault() {
-        Category c = create("Default");
-        c.id = 0;
-        return c;
-    }
-}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Category.kt

@@ -0,0 +1,28 @@
+package eu.kanade.tachiyomi.data.database.models
+
+import java.io.Serializable
+
+interface Category : Serializable {
+
+    var id: Int?
+
+    var name: String
+
+    var order: Int
+
+    var flags: Int
+
+    var mangaOrder: List<Long>
+
+    val nameLower: String
+        get() = name.toLowerCase()
+
+    companion object {
+
+        fun create(name: String): Category = CategoryImpl().apply {
+            this.name = name
+        }
+
+        fun createDefault(): Category = create("Default").apply { id = 0 }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/CategoryImpl.kt

@@ -0,0 +1,27 @@
+package eu.kanade.tachiyomi.data.database.models
+
+class CategoryImpl : Category {
+
+    override var id: Int? = null
+
+    override lateinit var name: String
+
+    override var order: Int = 0
+
+    override var flags: Int = 0
+
+    override var mangaOrder: List<Long> = emptyList()
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || javaClass != other.javaClass) return false
+
+        val category = other as Category
+
+        return name == category.name
+    }
+
+    override fun hashCode(): Int {
+        return name.hashCode()
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Chapter.java

@@ -1,71 +0,0 @@
-package eu.kanade.tachiyomi.data.database.models;
-
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteColumn;
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteType;
-
-import java.io.Serializable;
-
-import eu.kanade.tachiyomi.data.database.tables.ChapterTable;
-import eu.kanade.tachiyomi.util.UrlUtil;
-
-@StorIOSQLiteType(table = ChapterTable.TABLE)
-public class Chapter implements Serializable {
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_ID, key = true)
-    public Long id;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_MANGA_ID)
-    public Long manga_id;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_URL)
-    public String url;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_NAME)
-    public String name;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_READ)
-    public boolean read;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_LAST_PAGE_READ)
-    public int last_page_read;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_DATE_FETCH)
-    public long date_fetch;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_DATE_UPLOAD)
-    public long date_upload;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_CHAPTER_NUMBER)
-    public float chapter_number;
-
-    public int status;
-
-    public Chapter() {}
-
-    public void setUrl(String url) {
-        this.url = UrlUtil.getPath(url);
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-
-        Chapter chapter = (Chapter) o;
-
-        return url.equals(chapter.url);
-
-    }
-
-    @Override
-    public int hashCode() {
-        return url.hashCode();
-    }
-
-    public static Chapter create() {
-        Chapter chapter = new Chapter();
-        chapter.chapter_number = -1;
-        return chapter;
-    }
-
-}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Chapter.kt

@@ -0,0 +1,31 @@
+package eu.kanade.tachiyomi.data.database.models
+
+import eu.kanade.tachiyomi.source.model.SChapter
+import java.io.Serializable
+
+interface Chapter : SChapter, Serializable {
+
+    var id: Long?
+
+    var manga_id: Long?
+
+    var read: Boolean
+
+    var bookmark: Boolean
+
+    var last_page_read: Int
+
+    var date_fetch: Long
+
+    var source_order: Int
+
+    val isRecognizedNumber: Boolean
+        get() = chapter_number >= 0f
+
+    companion object {
+
+        fun create(): Chapter = ChapterImpl().apply {
+            chapter_number = -1f
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/ChapterImpl.kt

@@ -0,0 +1,40 @@
+package eu.kanade.tachiyomi.data.database.models
+
+class ChapterImpl : Chapter {
+
+    override var id: Long? = null
+
+    override var manga_id: Long? = null
+
+    override lateinit var url: String
+
+    override lateinit var name: String
+
+    override var scanlator: String? = null
+
+    override var read: Boolean = false
+
+    override var bookmark: Boolean = false
+
+    override var last_page_read: Int = 0
+
+    override var date_fetch: Long = 0
+
+    override var date_upload: Long = 0
+
+    override var chapter_number: Float = 0f
+
+    override var source_order: Int = 0
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || javaClass != other.javaClass) return false
+
+        val chapter = other as Chapter
+        return url == chapter.url
+    }
+
+    override fun hashCode(): Int {
+        return url.hashCode()
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/History.kt

@@ -0,0 +1,42 @@
+package eu.kanade.tachiyomi.data.database.models
+
+import java.io.Serializable
+
+/**
+ * Object containing the history statistics of a chapter
+ */
+interface History : Serializable {
+
+    /**
+     * Id of history object.
+     */
+    var id: Long?
+
+    /**
+     * Chapter id of history object.
+     */
+    var chapter_id: Long
+
+    /**
+     * Last time chapter was read in time long format
+     */
+    var last_read: Long
+
+    /**
+     * Total time chapter was read - todo not yet implemented
+     */
+    var time_read: Long
+
+    companion object {
+
+        /**
+         * History constructor
+         *
+         * @param chapter chapter object
+         * @return history object
+         */
+        fun create(chapter: Chapter): History = HistoryImpl().apply {
+            this.chapter_id = chapter.id!!
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/HistoryImpl.kt

@@ -0,0 +1,27 @@
+package eu.kanade.tachiyomi.data.database.models
+
+/**
+ * Object containing the history statistics of a chapter
+ */
+class HistoryImpl : History {
+
+    /**
+     * Id of history object.
+     */
+    override var id: Long? = null
+
+    /**
+     * Chapter id of history object.
+     */
+    override var chapter_id: Long = 0
+
+    /**
+     * Last time chapter was read in time long format
+     */
+    override var last_read: Long = 0
+
+    /**
+     * Total time chapter was read - todo not yet implemented
+     */
+    override var time_read: Long = 0
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/LibraryManga.kt

@@ -0,0 +1,8 @@
+package eu.kanade.tachiyomi.data.database.models
+
+class LibraryManga : MangaImpl() {
+
+    var unread: Int = 0
+
+    var category: Int = 0
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Manga.java

@@ -1,194 +0,0 @@
-package eu.kanade.tachiyomi.data.database.models;
-
-import android.content.Context;
-
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteColumn;
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteType;
-
-import java.io.Serializable;
-
-import eu.kanade.tachiyomi.R;
-import eu.kanade.tachiyomi.data.database.tables.MangaTable;
-import eu.kanade.tachiyomi.util.UrlUtil;
-
-@StorIOSQLiteType(table = MangaTable.TABLE)
-public class Manga implements Serializable {
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_ID, key = true)
-    public Long id;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_SOURCE)
-    public int source;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_URL)
-    public String url;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_ARTIST)
-    public String artist;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_AUTHOR)
-    public String author;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_DESCRIPTION)
-    public String description;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_GENRE)
-    public String genre;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_TITLE)
-    public String title;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_STATUS)
-    public int status;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_THUMBNAIL_URL)
-    public String thumbnail_url;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_FAVORITE)
-    public boolean favorite;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_LAST_UPDATE)
-    public long last_update;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_INITIALIZED)
-    public boolean initialized;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_VIEWER)
-    public int viewer;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_CHAPTER_FLAGS)
-    public int chapter_flags;
-
-    public int unread;
-
-    public int category;
-
-    public static final int UNKNOWN = 0;
-    public static final int ONGOING = 1;
-    public static final int COMPLETED = 2;
-    public static final int LICENSED = 3;
-
-    public static final int SORT_AZ   = 0x00000000;
-    public static final int SORT_ZA   = 0x00000001;
-    public static final int SORT_MASK = 0x00000001;
-
-    public static final int SHOW_UNREAD = 0x00000002;
-    public static final int SHOW_READ   = 0x00000004;
-    public static final int READ_MASK   = 0x00000006;
-
-    public static final int SHOW_DOWNLOADED     = 0x00000008;
-    public static final int SHOW_NOT_DOWNLOADED = 0x00000010;
-    public static final int DOWNLOADED_MASK     = 0x00000018;
-
-    // Generic filter that does not filter anything
-    public static final int SHOW_ALL    = 0x00000000;
-
-    public static final int DISPLAY_NAME   = 0x00000000;
-    public static final int DISPLAY_NUMBER = 0x00100000;
-    public static final int DISPLAY_MASK   = 0x00100000;
-
-    public Manga() {}
-
-    public static Manga create(String pathUrl) {
-        Manga m = new Manga();
-        m.url = pathUrl;
-        return m;
-    }
-
-    public void setUrl(String url) {
-        this.url = UrlUtil.getPath(url);
-    }
-
-    public void copyFrom(Manga other) {
-        if (other.title != null)
-            title = other.title;
-
-        if (other.author != null)
-            author = other.author;
-
-        if (other.artist != null)
-            artist = other.artist;
-
-        if (other.url != null)
-            url = other.url;
-
-        if (other.description != null)
-            description = other.description;
-
-        if (other.genre != null)
-            genre = other.genre;
-
-        if (other.thumbnail_url != null)
-            thumbnail_url = other.thumbnail_url;
-
-        status = other.status;
-
-        initialized = true;
-    }
-
-    public String getStatus(Context context) {
-        switch (status) {
-            case ONGOING:
-                return context.getString(R.string.ongoing);
-            case COMPLETED:
-                return context.getString(R.string.completed);
-            case LICENSED:
-                return context.getString(R.string.licensed);
-            default:
-                return context.getString(R.string.unknown);
-        }
-    }
-
-    public void setChapterOrder(int order) {
-        setFlags(order, SORT_MASK);
-    }
-
-    public void setDisplayMode(int mode) {
-        setFlags(mode, DISPLAY_MASK);
-    }
-
-    public void setReadFilter(int filter) {
-        setFlags(filter, READ_MASK);
-    }
-
-    public void setDownloadedFilter(int filter) {
-        setFlags(filter, DOWNLOADED_MASK);
-    }
-
-    private void setFlags(int flag, int mask) {
-        chapter_flags = (chapter_flags & ~mask) | (flag & mask);
-    }
-
-    public boolean sortChaptersAZ() {
-        return (chapter_flags & SORT_MASK) == SORT_AZ;
-    }
-
-    // Used to display the chapter's title one way or another
-    public int getDisplayMode() {
-        return chapter_flags & DISPLAY_MASK;
-    }
-
-    public int getReadFilter() {
-        return chapter_flags & READ_MASK;
-    }
-
-    public int getDownloadedFilter() {
-        return chapter_flags & DOWNLOADED_MASK;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-
-        Manga manga = (Manga) o;
-
-        return url.equals(manga.url);
-
-    }
-
-    @Override
-    public int hashCode() {
-        return url.hashCode();
-    }
-}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Manga.kt

@@ -0,0 +1,98 @@
+package eu.kanade.tachiyomi.data.database.models
+
+import eu.kanade.tachiyomi.source.model.SManga
+
+interface Manga : SManga {
+
+    var id: Long?
+
+    var source: Long
+
+    var favorite: Boolean
+
+    var last_update: Long
+
+    var viewer: Int
+
+    var chapter_flags: Int
+
+    var cover_last_modified: Long
+
+    fun setChapterOrder(order: Int) {
+        setFlags(order, SORT_MASK)
+    }
+
+    private fun setFlags(flag: Int, mask: Int) {
+        chapter_flags = chapter_flags and mask.inv() or (flag and mask)
+    }
+
+    fun sortDescending(): Boolean {
+        return chapter_flags and SORT_MASK == SORT_DESC
+    }
+
+    fun getGenres(): List<String>? {
+        return genre?.split(", ")?.map { it.trim() }
+    }
+
+    // Used to display the chapter's title one way or another
+    var displayMode: Int
+        get() = chapter_flags and DISPLAY_MASK
+        set(mode) = setFlags(mode, DISPLAY_MASK)
+
+    var readFilter: Int
+        get() = chapter_flags and READ_MASK
+        set(filter) = setFlags(filter, READ_MASK)
+
+    var downloadedFilter: Int
+        get() = chapter_flags and DOWNLOADED_MASK
+        set(filter) = setFlags(filter, DOWNLOADED_MASK)
+
+    var bookmarkedFilter: Int
+        get() = chapter_flags and BOOKMARKED_MASK
+        set(filter) = setFlags(filter, BOOKMARKED_MASK)
+
+    var sorting: Int
+        get() = chapter_flags and SORTING_MASK
+        set(sort) = setFlags(sort, SORTING_MASK)
+
+    companion object {
+
+        const val SORT_DESC = 0x00000000
+        const val SORT_ASC = 0x00000001
+        const val SORT_MASK = 0x00000001
+
+        // Generic filter that does not filter anything
+        const val SHOW_ALL = 0x00000000
+
+        const val SHOW_UNREAD = 0x00000002
+        const val SHOW_READ = 0x00000004
+        const val READ_MASK = 0x00000006
+
+        const val SHOW_DOWNLOADED = 0x00000008
+        const val SHOW_NOT_DOWNLOADED = 0x00000010
+        const val DOWNLOADED_MASK = 0x00000018
+
+        const val SHOW_BOOKMARKED = 0x00000020
+        const val SHOW_NOT_BOOKMARKED = 0x00000040
+        const val BOOKMARKED_MASK = 0x00000060
+
+        const val SORTING_SOURCE = 0x00000000
+        const val SORTING_NUMBER = 0x00000100
+        const val SORTING_UPLOAD_DATE = 0x00000200
+        const val SORTING_MASK = 0x00000300
+
+        const val DISPLAY_NAME = 0x00000000
+        const val DISPLAY_NUMBER = 0x00100000
+        const val DISPLAY_MASK = 0x00100000
+
+        fun create(source: Long): Manga = MangaImpl().apply {
+            this.source = source
+        }
+
+        fun create(pathUrl: String, title: String, source: Long = 0): Manga = MangaImpl().apply {
+            url = pathUrl
+            this.title = title
+            this.source = source
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaCategory.java

@@ -1,29 +0,0 @@
-package eu.kanade.tachiyomi.data.database.models;
-
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteColumn;
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteType;
-
-import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable;
-
-@StorIOSQLiteType(table = MangaCategoryTable.TABLE)
-public class MangaCategory {
-
-    @StorIOSQLiteColumn(name = MangaCategoryTable.COLUMN_ID, key = true)
-    public Long id;
-
-    @StorIOSQLiteColumn(name = MangaCategoryTable.COLUMN_MANGA_ID)
-    public long manga_id;
-
-    @StorIOSQLiteColumn(name = MangaCategoryTable.COLUMN_CATEGORY_ID)
-    public int category_id;
-
-    public MangaCategory() {}
-
-    public static MangaCategory create(Manga manga, Category category) {
-        MangaCategory mc = new MangaCategory();
-        mc.manga_id = manga.id;
-        mc.category_id = category.id;
-        return mc;
-    }
-
-}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaCategory.kt

@@ -0,0 +1,20 @@
+package eu.kanade.tachiyomi.data.database.models
+
+class MangaCategory {
+
+    var id: Long? = null
+
+    var manga_id: Long = 0
+
+    var category_id: Int = 0
+
+    companion object {
+
+        fun create(manga: Manga, category: Category): MangaCategory {
+            val mc = MangaCategory()
+            mc.manga_id = manga.id!!
+            mc.category_id = category.id!!
+            return mc
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaChapter.java

@@ -1,12 +0,0 @@
-package eu.kanade.tachiyomi.data.database.models;
-
-public class MangaChapter {
-
-    public Manga manga;
-    public Chapter chapter;
-
-    public MangaChapter(Manga manga, Chapter chapter) {
-        this.manga = manga;
-        this.chapter = chapter;
-    }
-}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaChapter.kt

@@ -0,0 +1,3 @@
+package eu.kanade.tachiyomi.data.database.models
+
+class MangaChapter(val manga: Manga, val chapter: Chapter)

app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaChapterHistory.kt

@@ -0,0 +1,10 @@
+package eu.kanade.tachiyomi.data.database.models
+
+/**
+ * Object containing manga, chapter and history
+ *
+ * @param manga object containing manga
+ * @param chapter object containing chater
+ * @param history object containing history
+ */
+data class MangaChapterHistory(val manga: Manga, val chapter: Chapter, val history: History)

app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaImpl.kt

@@ -0,0 +1,49 @@
+package eu.kanade.tachiyomi.data.database.models
+
+open class MangaImpl : Manga {
+
+    override var id: Long? = null
+
+    override var source: Long = -1
+
+    override lateinit var url: String
+
+    override var title: String = ""
+
+    override var artist: String? = null
+
+    override var author: String? = null
+
+    override var description: String? = null
+
+    override var genre: String? = null
+
+    override var status: Int = 0
+
+    override var thumbnail_url: String? = null
+
+    override var favorite: Boolean = false
+
+    override var last_update: Long = 0
+
+    override var initialized: Boolean = false
+
+    override var viewer: Int = 0
+
+    override var chapter_flags: Int = 0
+
+    override var cover_last_modified: Long = 0
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || javaClass != other.javaClass) return false
+
+        val manga = other as Manga
+
+        return url == manga.url
+    }
+
+    override fun hashCode(): Int {
+        return url.hashCode()
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaSync.java

@@ -1,55 +0,0 @@
-package eu.kanade.tachiyomi.data.database.models;
-
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteColumn;
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteType;
-
-import java.io.Serializable;
-
-import eu.kanade.tachiyomi.data.database.tables.MangaSyncTable;
-import eu.kanade.tachiyomi.data.mangasync.base.MangaSyncService;
-
-@StorIOSQLiteType(table = MangaSyncTable.TABLE)
-public class MangaSync implements Serializable {
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_ID, key = true)
-    public Long id;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_MANGA_ID)
-    public long manga_id;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_SYNC_ID)
-    public int sync_id;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_REMOTE_ID)
-    public int remote_id;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_TITLE)
-    public String title;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_LAST_CHAPTER_READ)
-    public int last_chapter_read;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_TOTAL_CHAPTERS)
-    public int total_chapters;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_SCORE)
-    public float score;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_STATUS)
-    public int status;
-
-    public boolean update;
-
-    public static MangaSync create(MangaSyncService service) {
-        MangaSync mangasync = new MangaSync();
-        mangasync.sync_id = service.getId();
-        return mangasync;
-    }
-
-    public void copyPersonalFrom(MangaSync other) {
-        last_chapter_read = other.last_chapter_read;
-        score = other.score;
-        status = other.status;
-    }
-
-}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Track.kt

@@ -0,0 +1,46 @@
+package eu.kanade.tachiyomi.data.database.models
+
+import java.io.Serializable
+
+interface Track : Serializable {
+
+    var id: Long?
+
+    var manga_id: Long
+
+    var sync_id: Int
+
+    var media_id: Int
+
+    var library_id: Long?
+
+    var title: String
+
+    var last_chapter_read: Int
+
+    var total_chapters: Int
+
+    var score: Float
+
+    var status: Int
+
+    var started_reading_date: Long
+
+    var finished_reading_date: Long
+
+    var tracking_url: String
+
+    fun copyPersonalFrom(other: Track) {
+        last_chapter_read = other.last_chapter_read
+        score = other.score
+        status = other.status
+        started_reading_date = other.started_reading_date
+        finished_reading_date = other.finished_reading_date
+    }
+
+    companion object {
+        fun create(serviceId: Int): Track = TrackImpl().apply {
+            sync_id = serviceId
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/TrackImpl.kt

@@ -0,0 +1,48 @@
+package eu.kanade.tachiyomi.data.database.models
+
+class TrackImpl : Track {
+
+    override var id: Long? = null
+
+    override var manga_id: Long = 0
+
+    override var sync_id: Int = 0
+
+    override var media_id: Int = 0
+
+    override var library_id: Long? = null
+
+    override lateinit var title: String
+
+    override var last_chapter_read: Int = 0
+
+    override var total_chapters: Int = 0
+
+    override var score: Float = 0f
+
+    override var status: Int = 0
+
+    override var started_reading_date: Long = 0
+
+    override var finished_reading_date: Long = 0
+
+    override var tracking_url: String = ""
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || javaClass != other.javaClass) return false
+
+        other as Track
+
+        if (manga_id != other.manga_id) return false
+        if (sync_id != other.sync_id) return false
+        return media_id == other.media_id
+    }
+
+    override fun hashCode(): Int {
+        var result = (manga_id xor manga_id.ushr(32)).toInt()
+        result = 31 * result + sync_id
+        result = 31 * result + media_id
+        return result
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/CategoryQueries.kt

@@ -0,0 +1,39 @@
+package eu.kanade.tachiyomi.data.database.queries
+
+import com.pushtorefresh.storio.sqlite.queries.Query
+import com.pushtorefresh.storio.sqlite.queries.RawQuery
+import eu.kanade.tachiyomi.data.database.DbProvider
+import eu.kanade.tachiyomi.data.database.models.Category
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable
+
+interface CategoryQueries : DbProvider {
+
+    fun getCategories() = db.get()
+        .listOfObjects(Category::class.java)
+        .withQuery(
+            Query.builder()
+                .table(CategoryTable.TABLE)
+                .orderBy(CategoryTable.COL_ORDER)
+                .build()
+        )
+        .prepare()
+
+    fun getCategoriesForManga(manga: Manga) = db.get()
+        .listOfObjects(Category::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getCategoriesForMangaQuery())
+                .args(manga.id)
+                .build()
+        )
+        .prepare()
+
+    fun insertCategory(category: Category) = db.put().`object`(category).prepare()
+
+    fun insertCategories(categories: List<Category>) = db.put().objects(categories).prepare()
+
+    fun deleteCategory(category: Category) = db.delete().`object`(category).prepare()
+
+    fun deleteCategories(categories: List<Category>) = db.delete().objects(categories).prepare()
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/ChapterQueries.kt

@@ -0,0 +1,123 @@
+package eu.kanade.tachiyomi.data.database.queries
+
+import com.pushtorefresh.storio.sqlite.queries.Query
+import com.pushtorefresh.storio.sqlite.queries.RawQuery
+import eu.kanade.tachiyomi.data.database.DbProvider
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.MangaChapter
+import eu.kanade.tachiyomi.data.database.resolvers.ChapterBackupPutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.ChapterProgressPutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.ChapterSourceOrderPutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaChapterGetResolver
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable
+import java.util.Date
+
+interface ChapterQueries : DbProvider {
+
+    fun getChapters(manga: Manga) = getChaptersByMangaId(manga.id)
+
+    fun getChaptersByMangaId(mangaId: Long?) = db.get()
+        .listOfObjects(Chapter::class.java)
+        .withQuery(
+            Query.builder()
+                .table(ChapterTable.TABLE)
+                .where("${ChapterTable.COL_MANGA_ID} = ?")
+                .whereArgs(mangaId)
+                .build()
+        )
+        .prepare()
+
+    fun getChaptersByMergedMangaId(mangaId: Long) = db.get()
+        .listOfObjects(Chapter::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getMergedChaptersQuery(mangaId))
+                .build()
+        )
+        .prepare()
+
+    fun getRecentChapters(date: Date) = db.get()
+        .listOfObjects(MangaChapter::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getRecentsQuery())
+                .args(date.time)
+                .observesTables(ChapterTable.TABLE)
+                .build()
+        )
+        .withGetResolver(MangaChapterGetResolver.INSTANCE)
+        .prepare()
+
+    fun getChapter(id: Long) = db.get()
+        .`object`(Chapter::class.java)
+        .withQuery(
+            Query.builder()
+                .table(ChapterTable.TABLE)
+                .where("${ChapterTable.COL_ID} = ?")
+                .whereArgs(id)
+                .build()
+        )
+        .prepare()
+
+    fun getChapter(url: String) = db.get()
+        .`object`(Chapter::class.java)
+        .withQuery(
+            Query.builder()
+                .table(ChapterTable.TABLE)
+                .where("${ChapterTable.COL_URL} = ?")
+                .whereArgs(url)
+                .build()
+        )
+        .prepare()
+
+    fun getChapter(url: String, mangaId: Long) = db.get()
+        .`object`(Chapter::class.java)
+        .withQuery(
+            Query.builder()
+                .table(ChapterTable.TABLE)
+                .where("${ChapterTable.COL_URL} = ? AND ${ChapterTable.COL_MANGA_ID} = ?")
+                .whereArgs(url, mangaId)
+                .build()
+        )
+        .prepare()
+
+    fun getChapters(url: String) = db.get()
+        .listOfObjects(Chapter::class.java)
+        .withQuery(
+            Query.builder()
+                .table(ChapterTable.TABLE)
+                .where("${ChapterTable.COL_URL} = ?")
+                .whereArgs(url)
+                .build()
+        )
+        .prepare()
+
+    fun insertChapter(chapter: Chapter) = db.put().`object`(chapter).prepare()
+
+    fun insertChapters(chapters: List<Chapter>) = db.put().objects(chapters).prepare()
+
+    fun deleteChapter(chapter: Chapter) = db.delete().`object`(chapter).prepare()
+
+    fun deleteChapters(chapters: List<Chapter>) = db.delete().objects(chapters).prepare()
+
+    fun updateChaptersBackup(chapters: List<Chapter>) = db.put()
+        .objects(chapters)
+        .withPutResolver(ChapterBackupPutResolver())
+        .prepare()
+
+    fun updateChapterProgress(chapter: Chapter) = db.put()
+        .`object`(chapter)
+        .withPutResolver(ChapterProgressPutResolver())
+        .prepare()
+
+    fun updateChaptersProgress(chapters: List<Chapter>) = db.put()
+        .objects(chapters)
+        .withPutResolver(ChapterProgressPutResolver())
+        .prepare()
+
+    fun fixChaptersSourceOrder(chapters: List<Chapter>) = db.put()
+        .objects(chapters)
+        .withPutResolver(ChapterSourceOrderPutResolver())
+        .prepare()
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/HistoryQueries.kt

@@ -0,0 +1,113 @@
+package eu.kanade.tachiyomi.data.database.queries
+
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.RawQuery
+import eu.kanade.tachiyomi.data.database.DbProvider
+import eu.kanade.tachiyomi.data.database.models.History
+import eu.kanade.tachiyomi.data.database.models.MangaChapterHistory
+import eu.kanade.tachiyomi.data.database.resolvers.HistoryLastReadPutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaChapterHistoryGetResolver
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable
+import java.util.Date
+
+interface HistoryQueries : DbProvider {
+
+    /**
+     * Insert history into database
+     * @param history object containing history information
+     */
+    fun insertHistory(history: History) = db.put().`object`(history).prepare()
+
+    /**
+     * Returns history of recent manga containing last read chapter
+     * @param date recent date range
+     */
+    fun getRecentManga(date: Date, offset: Int = 0, search: String = "") = db.get()
+        .listOfObjects(MangaChapterHistory::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getRecentMangasQuery(offset, search))
+                .args(date.time)
+                .observesTables(HistoryTable.TABLE)
+                .build()
+        )
+        .withGetResolver(MangaChapterHistoryGetResolver.INSTANCE)
+        .prepare()
+
+    /**
+     * Returns history of recent manga containing last read chapter in 25s
+     * @param date recent date range
+     * @offset offset the db by
+     */
+    fun getRecentMangaLimit(date: Date, limit: Int = 0, search: String = "") = db.get()
+        .listOfObjects(MangaChapterHistory::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getRecentMangasLimitQuery(limit, search))
+                .args(date.time)
+                .observesTables(HistoryTable.TABLE)
+                .build()
+        )
+        .withGetResolver(MangaChapterHistoryGetResolver.INSTANCE)
+        .prepare()
+
+    fun getHistoryByMangaId(mangaId: Long) = db.get()
+        .listOfObjects(History::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getHistoryByMangaId())
+                .args(mangaId)
+                .observesTables(HistoryTable.TABLE)
+                .build()
+        )
+        .prepare()
+
+    fun getHistoryByChapterUrl(chapterUrl: String) = db.get()
+        .`object`(History::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getHistoryByChapterUrl())
+                .args(chapterUrl)
+                .observesTables(HistoryTable.TABLE)
+                .build()
+        )
+        .prepare()
+
+    /**
+     * Updates the history last read.
+     * Inserts history object if not yet in database
+     * @param history history object
+     */
+    fun updateHistoryLastRead(history: History) = db.put()
+        .`object`(history)
+        .withPutResolver(HistoryLastReadPutResolver())
+        .prepare()
+
+    /**
+     * Updates the history last read.
+     * Inserts history object if not yet in database
+     * @param historyList history object list
+     */
+    fun updateHistoryLastRead(historyList: List<History>) = db.put()
+        .objects(historyList)
+        .withPutResolver(HistoryLastReadPutResolver())
+        .prepare()
+
+    fun deleteHistory() = db.delete()
+        .byQuery(
+            DeleteQuery.builder()
+                .table(HistoryTable.TABLE)
+                .build()
+        )
+        .prepare()
+
+    fun deleteHistoryNoLastRead() = db.delete()
+        .byQuery(
+            DeleteQuery.builder()
+                .table(HistoryTable.TABLE)
+                .where("${HistoryTable.COL_LAST_READ} = ?")
+                .whereArgs(0)
+                .build()
+        )
+        .prepare()
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/MangaCategoryQueries.kt

@@ -0,0 +1,37 @@
+package eu.kanade.tachiyomi.data.database.queries
+
+import com.pushtorefresh.storio.Queries
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import eu.kanade.tachiyomi.data.database.DbProvider
+import eu.kanade.tachiyomi.data.database.inTransaction
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.MangaCategory
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable
+
+interface MangaCategoryQueries : DbProvider {
+
+    fun insertMangaCategory(mangaCategory: MangaCategory) = db.put().`object`(mangaCategory).prepare()
+
+    fun insertMangasCategories(mangasCategories: List<MangaCategory>) = db.put().objects(mangasCategories).prepare()
+
+    fun deleteOldMangasCategories(mangas: List<Manga>) = db.delete()
+        .byQuery(
+            DeleteQuery.builder()
+                .table(MangaCategoryTable.TABLE)
+                .where("${MangaCategoryTable.COL_MANGA_ID} IN (${Queries.placeholders(mangas.size)})")
+                .whereArgs(*mangas.map { it.id }.toTypedArray())
+                .build()
+        )
+        .prepare()
+
+    fun setMangaCategories(mangasCategories: List<MangaCategory>, mangas: List<Manga>) {
+        db.inTransaction {
+            mangas.chunked(100) { chunk ->
+                deleteOldMangasCategories(chunk).executeAsBlocking()
+            }
+            mangasCategories.chunked(100) { chunk ->
+                insertMangasCategories(chunk).executeAsBlocking()
+            }
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/MangaQueries.kt

@@ -0,0 +1,222 @@
+package eu.kanade.tachiyomi.data.database.queries
+
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.Query
+import com.pushtorefresh.storio.sqlite.queries.RawQuery
+import eu.kanade.tachiyomi.data.database.DbProvider
+import eu.kanade.tachiyomi.data.database.models.LibraryManga
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.resolvers.LibraryMangaGetResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaCoverLastModifiedPutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaFavoritePutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaFlagsPutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaLastUpdatedPutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaTitlePutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaViewerPutResolver
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable
+import eu.kanade.tachiyomi.data.database.tables.MangaTable
+import exh.metadata.sql.tables.SearchMetadataTable
+
+interface MangaQueries : DbProvider {
+
+    fun getMangas() = db.get()
+        .listOfObjects(Manga::class.java)
+        .withQuery(
+            Query.builder()
+                .table(MangaTable.TABLE)
+                .build()
+        )
+        .prepare()
+
+    fun getLibraryMangas() = db.get()
+        .listOfObjects(LibraryManga::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(libraryQuery)
+                .observesTables(MangaTable.TABLE, ChapterTable.TABLE, MangaCategoryTable.TABLE, CategoryTable.TABLE)
+                .build()
+        )
+        .withGetResolver(LibraryMangaGetResolver.INSTANCE)
+        .prepare()
+
+    fun getFavoriteMangas() = db.get()
+        .listOfObjects(Manga::class.java)
+        .withQuery(
+            Query.builder()
+                .table(MangaTable.TABLE)
+                .where("${MangaTable.COL_FAVORITE} = ?")
+                .whereArgs(1)
+                .orderBy(MangaTable.COL_TITLE)
+                .build()
+        )
+        .prepare()
+
+    fun getManga(url: String, sourceId: Long) = db.get()
+        .`object`(Manga::class.java)
+        .withQuery(
+            Query.builder()
+                .table(MangaTable.TABLE)
+                .where("${MangaTable.COL_URL} = ? AND ${MangaTable.COL_SOURCE} = ?")
+                .whereArgs(url, sourceId)
+                .build()
+        )
+        .prepare()
+
+    fun getManga(id: Long) = db.get()
+        .`object`(Manga::class.java)
+        .withQuery(
+            Query.builder()
+                .table(MangaTable.TABLE)
+                .where("${MangaTable.COL_ID} = ?")
+                .whereArgs(id)
+                .build()
+        )
+        .prepare()
+
+    fun getMergedMangas(id: Long) = db.get()
+        .listOfObjects(Manga::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getMergedMangaQuery(id))
+                .build()
+        )
+        .prepare()
+
+    fun insertManga(manga: Manga) = db.put().`object`(manga).prepare()
+
+    fun insertMangas(mangas: List<Manga>) = db.put().objects(mangas).prepare()
+
+    fun updateFlags(manga: Manga) = db.put()
+        .`object`(manga)
+        .withPutResolver(MangaFlagsPutResolver())
+        .prepare()
+
+    fun updateLastUpdated(manga: Manga) = db.put()
+        .`object`(manga)
+        .withPutResolver(MangaLastUpdatedPutResolver())
+        .prepare()
+
+    fun updateMangaFavorite(manga: Manga) = db.put()
+        .`object`(manga)
+        .withPutResolver(MangaFavoritePutResolver())
+        .prepare()
+
+    fun updateMangaViewer(manga: Manga) = db.put()
+        .`object`(manga)
+        .withPutResolver(MangaViewerPutResolver())
+        .prepare()
+
+    fun updateMangaTitle(manga: Manga) = db.put()
+        .`object`(manga)
+        .withPutResolver(MangaTitlePutResolver())
+        .prepare()
+
+    fun updateMangaCoverLastModified(manga: Manga) = db.put()
+        .`object`(manga)
+        .withPutResolver(MangaCoverLastModifiedPutResolver())
+        .prepare()
+
+    fun deleteManga(manga: Manga) = db.delete().`object`(manga).prepare()
+
+    fun deleteMangas(mangas: List<Manga>) = db.delete().objects(mangas).prepare()
+
+    fun deleteMangasNotInLibrary() = db.delete()
+        .byQuery(
+            DeleteQuery.builder()
+                .table(MangaTable.TABLE)
+                .where("${MangaTable.COL_FAVORITE} = ?")
+                .whereArgs(0)
+                .build()
+        )
+        .prepare()
+
+    fun deleteMangas() = db.delete()
+        .byQuery(
+            DeleteQuery.builder()
+                .table(MangaTable.TABLE)
+                .build()
+        )
+        .prepare()
+
+    fun getLastReadManga() = db.get()
+        .listOfObjects(Manga::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getLastReadMangaQuery())
+                .observesTables(MangaTable.TABLE)
+                .build()
+        )
+        .prepare()
+
+    fun getTotalChapterManga() = db.get()
+        .listOfObjects(Manga::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getTotalChapterMangaQuery())
+                .observesTables(MangaTable.TABLE)
+                .build()
+        )
+        .prepare()
+
+    fun getLatestChapterManga() = db.get()
+        .listOfObjects(Manga::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getLatestChapterMangaQuery())
+                .observesTables(MangaTable.TABLE)
+                .build()
+        )
+        .prepare()
+
+    fun getMangaWithMetadata() = db.get()
+        .listOfObjects(Manga::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(
+                    """
+                    SELECT ${MangaTable.TABLE}.* FROM ${MangaTable.TABLE}
+                    INNER JOIN ${SearchMetadataTable.TABLE}
+                        ON ${MangaTable.TABLE}.${MangaTable.COL_ID} = ${SearchMetadataTable.TABLE}.${SearchMetadataTable.COL_MANGA_ID}
+                    ORDER BY ${MangaTable.TABLE}.${MangaTable.COL_ID}
+                    """.trimIndent()
+                )
+                .build()
+        )
+        .prepare()
+
+    fun getFavoriteMangaWithMetadata() = db.get()
+        .listOfObjects(Manga::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(
+                    """
+                    SELECT ${MangaTable.TABLE}.* FROM ${MangaTable.TABLE}
+                    INNER JOIN ${SearchMetadataTable.TABLE}
+                        ON ${MangaTable.TABLE}.${MangaTable.COL_ID} = ${SearchMetadataTable.TABLE}.${SearchMetadataTable.COL_MANGA_ID}
+                    WHERE ${MangaTable.TABLE}.${MangaTable.COL_FAVORITE} = 1
+                    ORDER BY ${MangaTable.TABLE}.${MangaTable.COL_ID}
+                    """.trimIndent()
+                )
+                .build()
+        )
+        .prepare()
+
+    fun getIdsOfFavoriteMangaWithMetadata() = db.get()
+        .cursor()
+        .withQuery(
+            RawQuery.builder()
+                .query(
+                    """
+                    SELECT ${MangaTable.TABLE}.${MangaTable.COL_ID} FROM ${MangaTable.TABLE}
+                    INNER JOIN ${SearchMetadataTable.TABLE}
+                        ON ${MangaTable.TABLE}.${MangaTable.COL_ID} = ${SearchMetadataTable.TABLE}.${SearchMetadataTable.COL_MANGA_ID}
+                    WHERE ${MangaTable.TABLE}.${MangaTable.COL_FAVORITE} = 1
+                    ORDER BY ${MangaTable.TABLE}.${MangaTable.COL_ID}
+                    """.trimIndent()
+                )
+                .build()
+        )
+        .prepare()
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/RawQueries.kt

@@ -0,0 +1,186 @@
+package eu.kanade.tachiyomi.data.database.queries
+
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable as Category
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable as Chapter
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable as History
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable as MangaCategory
+import eu.kanade.tachiyomi.data.database.tables.MangaTable as Manga
+import eu.kanade.tachiyomi.data.database.tables.MergedTable as Merged
+
+/**
+ * Query to get the manga merged into a merged manga
+ */
+fun getMergedMangaQuery(id: Long) =
+    """
+    SELECT ${Manga.TABLE}.*
+    FROM (
+        SELECT ${Merged.COL_MANGA_ID} FROM ${Merged.TABLE} WHERE $(Merged.COL_MERGE_ID} = $id
+    ) AS M
+    JOIN ${Manga.TABLE}
+    ON ${Manga.TABLE}.${Manga.COL_ID} = M.${Merged.COL_MANGA_ID}
+"""
+
+/**
+ * Query to get the chapters of all manga in a merged manga
+ */
+fun getMergedChaptersQuery(id: Long) =
+    """
+    SELECT ${Chapter.TABLE}.*
+    FROM (
+        SELECT ${Merged.COL_MANGA_ID} FROM ${Merged.TABLE} WHERE $(Merged.COL_MERGE_ID} = $id
+    ) AS M
+    JOIN ${Chapter.TABLE}
+    ON ${Chapter.TABLE}.${Chapter.COL_MANGA_ID} = M.${Merged.COL_MANGA_ID}
+"""
+
+/**
+ * Query to get the manga from the library, with their categories and unread count.
+ */
+val libraryQuery =
+    """
+    SELECT M.*, COALESCE(MC.${MangaCategory.COL_CATEGORY_ID}, 0) AS ${Manga.COL_CATEGORY}
+    FROM (
+        SELECT ${Manga.TABLE}.*, COALESCE(C.unread, 0) AS ${Manga.COL_UNREAD}
+        FROM ${Manga.TABLE}
+        LEFT JOIN (
+            SELECT ${Chapter.COL_MANGA_ID}, COUNT(*) AS unread
+            FROM ${Chapter.TABLE}
+            WHERE ${Chapter.COL_READ} = 0
+            GROUP BY ${Chapter.COL_MANGA_ID}
+        ) AS C
+        ON ${Manga.COL_ID} = C.${Chapter.COL_MANGA_ID}
+        WHERE ${Manga.COL_FAVORITE} = 1
+        GROUP BY ${Manga.COL_ID}
+        ORDER BY ${Manga.COL_TITLE}
+    ) AS M
+    LEFT JOIN (
+        SELECT * FROM ${MangaCategory.TABLE}) AS MC
+        ON MC.${MangaCategory.COL_MANGA_ID} = M.${Manga.COL_ID}
+"""
+
+/**
+ * Query to get the recent chapters of manga from the library up to a date.
+ */
+fun getRecentsQuery() =
+    """
+    SELECT ${Manga.TABLE}.${Manga.COL_URL} as mangaUrl, * FROM ${Manga.TABLE} JOIN ${Chapter.TABLE}
+    ON ${Manga.TABLE}.${Manga.COL_ID} = ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}
+    WHERE ${Manga.COL_FAVORITE} = 1 AND ${Chapter.COL_DATE_UPLOAD} > ?
+    ORDER BY ${Chapter.COL_DATE_UPLOAD} DESC
+"""
+
+/**
+ * Query to get the recently read chapters of manga from the library up to a date.
+ * The max_last_read table contains the most recent chapters grouped by manga
+ * The select statement returns all information of chapters that have the same id as the chapter in max_last_read
+ * and are read after the given time period
+ * @return return limit is 25
+ */
+fun getRecentMangasQuery(offset: Int = 0, search: String = "") =
+    """
+    SELECT ${Manga.TABLE}.${Manga.COL_URL} as mangaUrl, ${Manga.TABLE}.*, ${Chapter.TABLE}.*, ${History.TABLE}.*
+    FROM ${Manga.TABLE}
+    JOIN ${Chapter.TABLE}
+    ON ${Manga.TABLE}.${Manga.COL_ID} = ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}
+    JOIN ${History.TABLE}
+    ON ${Chapter.TABLE}.${Chapter.COL_ID} = ${History.TABLE}.${History.COL_CHAPTER_ID}
+    JOIN (
+    SELECT ${Chapter.TABLE}.${Chapter.COL_MANGA_ID},${Chapter.TABLE}.${Chapter.COL_ID} as ${History.COL_CHAPTER_ID}, MAX(${History.TABLE}.${History.COL_LAST_READ}) as ${History.COL_LAST_READ}
+    FROM ${Chapter.TABLE} JOIN ${History.TABLE}
+    ON ${Chapter.TABLE}.${Chapter.COL_ID} = ${History.TABLE}.${History.COL_CHAPTER_ID}
+    GROUP BY ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}) AS max_last_read
+    ON ${Chapter.TABLE}.${Chapter.COL_MANGA_ID} = max_last_read.${Chapter.COL_MANGA_ID}
+    WHERE ${History.TABLE}.${History.COL_LAST_READ} > ? AND max_last_read.${History.COL_CHAPTER_ID} = ${History.TABLE}.${History.COL_CHAPTER_ID}
+    AND lower(${Manga.TABLE}.${Manga.COL_TITLE}) LIKE '%$search%'
+    ORDER BY max_last_read.${History.COL_LAST_READ} DESC
+    LIMIT 25 OFFSET $offset
+"""
+
+/**
+ * Query to get the recently read chapters of manga from the library up to a date.
+ * The max_last_read table contains the most recent chapters grouped by manga
+ * The select statement returns all information of chapters that have the same id as the chapter in max_last_read
+ * and are read after the given time period
+ */
+fun getRecentMangasLimitQuery(limit: Int = 25, search: String = "") =
+    """
+    SELECT ${Manga.TABLE}.${Manga.COL_URL} as mangaUrl, ${Manga.TABLE}.*, ${Chapter.TABLE}.*, ${History.TABLE}.*
+    FROM ${Manga.TABLE}
+    JOIN ${Chapter.TABLE}
+    ON ${Manga.TABLE}.${Manga.COL_ID} = ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}
+    JOIN ${History.TABLE}
+    ON ${Chapter.TABLE}.${Chapter.COL_ID} = ${History.TABLE}.${History.COL_CHAPTER_ID}
+    JOIN (
+    SELECT ${Chapter.TABLE}.${Chapter.COL_MANGA_ID},${Chapter.TABLE}.${Chapter.COL_ID} as ${History.COL_CHAPTER_ID}, MAX(${History.TABLE}.${History.COL_LAST_READ}) as ${History.COL_LAST_READ}
+    FROM ${Chapter.TABLE} JOIN ${History.TABLE}
+    ON ${Chapter.TABLE}.${Chapter.COL_ID} = ${History.TABLE}.${History.COL_CHAPTER_ID}
+    GROUP BY ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}) AS max_last_read
+    ON ${Chapter.TABLE}.${Chapter.COL_MANGA_ID} = max_last_read.${Chapter.COL_MANGA_ID}
+    WHERE ${History.TABLE}.${History.COL_LAST_READ} > ?
+    AND max_last_read.${History.COL_CHAPTER_ID} = ${History.TABLE}.${History.COL_CHAPTER_ID}
+    AND lower(${Manga.TABLE}.${Manga.COL_TITLE}) LIKE '%$search%'
+    ORDER BY max_last_read.${History.COL_LAST_READ} DESC
+    LIMIT $limit
+"""
+
+fun getHistoryByMangaId() =
+    """
+    SELECT ${History.TABLE}.*
+    FROM ${History.TABLE}
+    JOIN ${Chapter.TABLE}
+    ON ${History.TABLE}.${History.COL_CHAPTER_ID} = ${Chapter.TABLE}.${Chapter.COL_ID}
+    WHERE ${Chapter.TABLE}.${Chapter.COL_MANGA_ID} = ? AND ${History.TABLE}.${History.COL_CHAPTER_ID} = ${Chapter.TABLE}.${Chapter.COL_ID}
+"""
+
+fun getHistoryByChapterUrl() =
+    """
+    SELECT ${History.TABLE}.*
+    FROM ${History.TABLE}
+    JOIN ${Chapter.TABLE}
+    ON ${History.TABLE}.${History.COL_CHAPTER_ID} = ${Chapter.TABLE}.${Chapter.COL_ID}
+    WHERE ${Chapter.TABLE}.${Chapter.COL_URL} = ? AND ${History.TABLE}.${History.COL_CHAPTER_ID} = ${Chapter.TABLE}.${Chapter.COL_ID}
+"""
+
+fun getLastReadMangaQuery() =
+    """
+    SELECT ${Manga.TABLE}.*, MAX(${History.TABLE}.${History.COL_LAST_READ}) AS max
+    FROM ${Manga.TABLE}
+    JOIN ${Chapter.TABLE}
+    ON ${Manga.TABLE}.${Manga.COL_ID} = ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}
+    JOIN ${History.TABLE}
+    ON ${Chapter.TABLE}.${Chapter.COL_ID} = ${History.TABLE}.${History.COL_CHAPTER_ID}
+    WHERE ${Manga.TABLE}.${Manga.COL_FAVORITE} = 1
+    GROUP BY ${Manga.TABLE}.${Manga.COL_ID}
+    ORDER BY max DESC
+"""
+
+fun getTotalChapterMangaQuery() =
+    """
+    SELECT ${Manga.TABLE}.*
+    FROM ${Manga.TABLE}
+    JOIN ${Chapter.TABLE}
+    ON ${Manga.TABLE}.${Manga.COL_ID} = ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}
+    GROUP BY ${Manga.TABLE}.${Manga.COL_ID}
+    ORDER by COUNT(*)
+"""
+
+fun getLatestChapterMangaQuery() =
+    """
+    SELECT ${Manga.TABLE}.*, MAX(${Chapter.TABLE}.${Chapter.COL_DATE_UPLOAD}) AS max
+    FROM ${Manga.TABLE}
+    JOIN ${Chapter.TABLE}
+    ON ${Manga.TABLE}.${Manga.COL_ID} = ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}
+    GROUP BY ${Manga.TABLE}.${Manga.COL_ID}
+    ORDER by max DESC
+"""
+
+/**
+ * Query to get the categories for a manga.
+ */
+fun getCategoriesForMangaQuery() =
+    """
+    SELECT ${Category.TABLE}.* FROM ${Category.TABLE}
+    JOIN ${MangaCategory.TABLE} ON ${Category.TABLE}.${Category.COL_ID} =
+    ${MangaCategory.TABLE}.${MangaCategory.COL_CATEGORY_ID}
+    WHERE ${MangaCategory.COL_MANGA_ID} = ?
+"""

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/TrackQueries.kt

@@ -0,0 +1,37 @@
+package eu.kanade.tachiyomi.data.database.queries
+
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.Query
+import eu.kanade.tachiyomi.data.database.DbProvider
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.database.tables.TrackTable
+import eu.kanade.tachiyomi.data.track.TrackService
+
+interface TrackQueries : DbProvider {
+
+    fun getTracks(manga: Manga) = db.get()
+        .listOfObjects(Track::class.java)
+        .withQuery(
+            Query.builder()
+                .table(TrackTable.TABLE)
+                .where("${TrackTable.COL_MANGA_ID} = ?")
+                .whereArgs(manga.id)
+                .build()
+        )
+        .prepare()
+
+    fun insertTrack(track: Track) = db.put().`object`(track).prepare()
+
+    fun insertTracks(tracks: List<Track>) = db.put().objects(tracks).prepare()
+
+    fun deleteTrackForManga(manga: Manga, sync: TrackService) = db.delete()
+        .byQuery(
+            DeleteQuery.builder()
+                .table(TrackTable.TABLE)
+                .where("${TrackTable.COL_MANGA_ID} = ? AND ${TrackTable.COL_SYNC_ID} = ?")
+                .whereArgs(manga.id, sync.id)
+                .build()
+        )
+        .prepare()
+}