Release 0.9.1

Caused issues for some extensions (e.g. Komga)

.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

@@ -1,6 +1,17 @@
+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/issues, not here
+* Catalogue requests should be created at https://github.com/inorichi/tachiyomi-extensions#readme, not here
 
 # Bugs
 * Include version (Setting > About > Version)
@@ -8,17 +19,9 @@
  * 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), include results and device names, OS, modifications (root, Xposed)
+* If it could be device-dependent, try reproducing on another device (if possible)
-* **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:
+* Don't group unrelated requests into one issue
- * [x] Done
- * [ ] Not done
-```
-* [x] Done
-* [ ] Not done
-```
-* Don't put together too many unrelated requests into one issue
 
 DO: https://github.com/inorichi/tachiyomi/issues/24 https://github.com/inorichi/tachiyomi/issues/71
 
@@ -26,9 +29,5 @@ 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"
+* Write a detailed issue, explaining what it should do or how. Avoid writing just "like X app does"
 * Include screenshot (if needed)
-
-# Translations
-
-[Wiki](https://github.com/inorichi/tachiyomi/wiki/Translation)

.github/FUNDING.yml

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

.github/ISSUE_TEMPLATE.md

@@ -1,7 +1,26 @@
-**Please read https://github.com/inorichi/tachiyomi/blob/master/.github/CONTRIBUTING.md before posting**
+**PLEASE READ THIS**
 
-Remove line above and describe your issue here. Fill out version below. Use Preview.
+I acknowledge that:
 
+- I have updated to the latest version of the app (stable is v0.9.0)
+- 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
 
-Version: r000 or v0.0.0
+**DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT**
-(other relevant info like OS)
+
+---
+
+### 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 v0.9.0)
+- 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 v0.9.0)
+- 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/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 +2,15 @@
 /local.properties
 /.idea/workspace.xml
 .DS_Store
-/build
 .idea/
 *iml
 *.iml
+
+# Built files
 */build
+/build
+*.apk
+app/**/output.json
+
+# Hebrew assets are copied on build
+app/src/main/res/values-iw/

.travis.yml

@@ -1,41 +1,74 @@
+dist: trusty
 language: android
+
 android:
   components:
-    - platform-tools
     - tools
-
+    - platform-tools
-    # The BuildTools version used by your project
+    - build-tools-29.0.3
-    - build-tools-25.0.1
+    - android-29
-    - android-25
     - extra-android-m2repository
     - extra-google-m2repository
     - extra-android-support
     - extra-google-google_play_services
 
   licenses:
-    - android-sdk-license-.+
+    - 'android-sdk-license-.+'
-    - '.+'
+    - 'android-sdk-preview-license-.+'
-
-jdk:
-  - oraclejdk8
-
-before_script:
-  - chmod +x gradlew
 
 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 "\n8933bad161af4178b1185d1a37fbf41ea5269c55" > "$ANDROID_HOME/licenses/android-sdk-license"
+  - echo -e "\n24333f8a63b6825ea9c5514f83c2829b004d1fee" > "$ANDROID_HOME/licenses/android-sdk-license"
   - echo -e "\n84831b9409646a918e30573bab4c9c91346d8abd" > "$ANDROID_HOME/licenses/android-sdk-preview-license"
 
-#Build, and run tests
+install:
-script: "./gradlew clean buildStandardDebug"
+  - echo y | sdkmanager "ndk-bundle"
-sudo: false
+
+before_script:
+  - 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/caches/"
-    - $HOME/.gradle/wrapper/
+    - "$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
+
 env:
-  - GRADLE_OPTS="-XX:MaxPermSize=1024m -XX:+CMSClassUnloadingEnabled -XX:+HeapDumpOnOutOfMemoryError -Xmx2048m"
+  global:
+    - 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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
+    - secure: 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

.travis/build.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+git fetch --unshallow #required for commit count
+
+if [ -z "$TRAVIS_TAG" ]; then
+    ./gradlew clean assembleStandardDebug
+
+    COMMIT_COUNT=$(git rev-list --count HEAD)
+    export ARTIFACT="tachiyomi-r${COMMIT_COUNT}.apk"
+
+    mv app/build/outputs/apk/standard/debug/app-standard-debug.apk $ARTIFACT
+else
+    ./gradlew clean assembleStandardRelease
+
+    TOOLS="$(ls -d ${ANDROID_HOME}/build-tools/* | tail -1)"
+    export ARTIFACT="tachiyomi-${TRAVIS_TAG}.apk"
+
+    ${TOOLS}/zipalign -v -p 4 app/build/outputs/apk/standard/release/app-standard-release-unsigned.apk app-aligned.apk
+    ${TOOLS}/apksigner sign --ks $STORE_PATH --ks-key-alias $STORE_ALIAS --ks-pass env:STORE_PASS --key-pass env:KEY_PASS --out $ARTIFACT app-aligned.apk
+fi

.travis/deploy.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+pattern="tachiyomi-r*"
+files=( $pattern )
+export ARTIFACT="${files[0]}"
+
+if [ -z "$ARTIFACT" ]; then
+    echo "Artifact not found"
+    exit 1
+fi
+
+export SSHOPTIONS="-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -i ${DEPLOY_KEY}"
+
+scp $SSHOPTIONS $ARTIFACT $DEPLOY_USER@$DEPLOY_HOST:builds/
+ssh $SSHOPTIONS $DEPLOY_USER@$DEPLOY_HOST ln -sf $ARTIFACT builds/latest

README.md

@@ -1,24 +1,70 @@
-| Build | Download | F-Droid |
+| Build | Stable | Weekly Preview | Contribute | Support Server |
-|-------|----------|-------------|
+|-------|----------|---------|------------|---------|
-| [![TeamCity (simple build status)](https://img.shields.io/teamcity/https/teamcity.kanade.eu/s/tachiyomi_Build.svg)](https://teamcity.kanade.eu/project.html?projectId=tachiyomi) [![Travis](https://img.shields.io/travis/inorichi/tachiyomi.svg)](https://travis-ci.org/inorichi/tachiyomi) | [![stable release](https://img.shields.io/github/release/inorichi/tachiyomi.svg?maxAge=3600&label=stable)](https://github.com/inorichi/tachiyomi/releases) [![latest dev build](https://img.shields.io/badge/dev-latest%20build-blue.svg)](http://tachiyomi.kanade.eu/latest/app-debug.apk) | [![fdroid release](https://img.shields.io/badge/stable-f--droid.org-blue.svg)](https://f-droid.org/repository/browse/?fdid=eu.kanade.tachiyomi) [![fdroid dev](https://img.shields.io/badge/dev-wiki-blue.svg)](//github.com/inorichi/tachiyomi/wiki/FDroid-for-dev-versions) |
+| [![Travis](https://img.shields.io/travis/inorichi/tachiyomi.svg)](https://travis-ci.org/inorichi/tachiyomi) | [![stable release](https://img.shields.io/github/release/inorichi/tachiyomi.svg?maxAge=3600&label=download)](https://github.com/inorichi/tachiyomi/releases) | [![latest weekly build](https://img.shields.io/badge/download-latest%20build-blue.svg)](http://tachiyomi.kanade.eu/latest) | [![Translation status](https://hosted.weblate.org/widgets/tachiyomi/-/svg-badge.svg)](https://hosted.weblate.org/engage/tachiyomi/?utm_source=widget) | [![Discord](https://img.shields.io/discord/349436576037732353.svg)](https://discord.gg/tachiyomi) |
 
-## [Report an issue](https://github.com/inorichi/tachiyomi/blob/master/.github/CONTRIBUTING.md)
 
-**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.**
+# ![app icon](./.github/readme-images/app-icon.png)Tachiyomi
+Tachiyomi is a free and open source manga reader for Android 5.0 and above.
 
-Tachiyomi is a free and open source manga reader for Android.
+![screenshots of app](./.github/readme-images/screens.png)
 
-Keep in mind it's still a beta, so expect it to crash sometimes.
+## Features
 
-# Features
+Features include:
-
+* Online reading from sources such as MangaDex, MangaSee, Mangakakalot, [and more](https://github.com/inorichi/tachiyomi-extensions)
-* Online and offline reading
+* Local reading of downloaded manga
-* Configurable reader with multiple viewers and settings
+* A configurable reader with multiple viewers, reading directions and other settings.
-* MyAnimeList support
+* [MyAnimeList](https://myanimelist.net/), [AniList](https://anilist.co/), [Kitsu](https://kitsu.io/), [Shikimori](https://shikimori.one), and [Bangumi](https://bgm.tv/) support
-* Resume from the next unread chapter
-* Chapter filtering
-* Schedule searching for updates
 * Categories to organize your library
+* Light and dark themes
+* Schedule updating your library for new chapters
+* Create backups locally to read offline or to your desired cloud service
+
+## Download
+Get the app from our [releases page](https://github.com/inorichi/tachiyomi/releases).
+
+If you want to try new features before they get to the stable release, you can download the preview version [here](http://tachiyomi.kanade.eu/latest).
+
+## Issues, Feature Requests and Contributing
+
+Please make sure to read the full guidelines. Your issue may be closed without warning if you do not.
+
+<details><summary>Issues</summary>
+
+1. **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).**
+2. If you are unsure, ask here: [![Discord](https://img.shields.io/discord/349436576037732353.svg)](https://discord.gg/tachiyomi)
+
+</details>
+
+<details><summary>Bugs</summary>
+
+* Include version (Setting > About > Version)
+ * If not latest, try updating, it may have already been solved
+ * Preview 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
+
+</details>
+
+<details><summary>Feature Requests</summary>
+
+* Write a detailed issue, explaining what it should do or how. Avoid writing just "like X app does"
+* Include screenshot (if needed)
+
+Catalogue requests should be created at https://github.com/inorichi/tachiyomi-extensions, they do not belong in this repository.
+</details>
+
+## FAQ
+
+[See our website.](https://tachiyomi.org/)
+You can also reach out to us on [Discord](https://discord.gg/tachiyomi).
 
 ## License
 

app/build.gradle

@@ -1,12 +1,13 @@
 import java.text.SimpleDateFormat
 
 apply plugin: 'com.android.application'
+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'
 
-if (file("custom.gradle").exists()) {
+shortcutHelper.filePath = './shortcuts.xml'
-    apply from: "custom.gradle"
-}
 
 ext {
     // Git is needed in your system PATH for these commands to work.
@@ -29,53 +30,58 @@ ext {
 }
 
 android {
-    compileSdkVersion 25
+    compileSdkVersion 29
-    buildToolsVersion "25.0.2"
+    buildToolsVersion '29.0.3'
-    publishNonDefault true
 
     defaultConfig {
         applicationId "eu.kanade.tachiyomi"
-        minSdkVersion 16
+        minSdkVersion 21
-        targetSdkVersion 25
+        targetSdkVersion 29
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-        versionCode 24
+        versionCode 44
-        versionName "0.6.1"
+        versionName "0.9.1"
 
         buildConfigField "String", "COMMIT_COUNT", "\"${getCommitCount()}\""
         buildConfigField "String", "COMMIT_SHA", "\"${getGitSha()}\""
         buildConfigField "String", "BUILD_TIME", "\"${getBuildTime()}\""
         buildConfigField "boolean", "INCLUDE_UPDATER", "false"
 
-        vectorDrawables.useSupportLibrary = true
+        multiDexEnabled true
 
         ndk {
             abiFilters "armeabi-v7a", "arm64-v8a", "x86"
         }
     }
 
+    viewBinding {
+        enabled = true
+    }
+
     buildTypes {
         debug {
             versionNameSuffix "-${getCommitCount()}"
             applicationIdSuffix ".debug"
-            multiDexEnabled true
-        }
-        release {
-            minifyEnabled true
-            shrinkResources true
-            multiDexEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
+//        release {
+//            minifyEnabled true
+//            shrinkResources true
+//            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+//        }
     }
 
+    flavorDimensions "default"
+
     productFlavors {
         standard {
             buildConfigField "boolean", "INCLUDE_UPDATER", "true"
+            dimension "default"
         }
         fdroid {
+            dimension "default"
         }
         dev {
-            minSdkVersion 21
             resConfigs "en", "xxhdpi"
+            dimension "default"
         }
     }
 
@@ -92,132 +98,174 @@ android {
         checkReleaseBuilds false
     }
 
+    compileOptions {
+        sourceCompatibility = 1.8
+        targetCompatibility = 1.8
+    }
+
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+}
+
+androidExtensions {
+    experimental = true
 }
 
 dependencies {
 
     // Modified dependencies
-    compile 'com.github.inorichi:subsampling-scale-image-view:01e5385'
+    implementation 'com.github.inorichi:subsampling-scale-image-view:ac0dae7'
-    compile 'com.github.inorichi:junrar-android:634c1f5'
+    implementation 'com.github.inorichi:junrar-android:634c1f5'
 
     // Android support library
-    final support_library_version = '25.4.0'
+    implementation 'androidx.appcompat:appcompat:1.1.0'
-    compile "com.android.support:support-v4:$support_library_version"
+    implementation 'androidx.cardview:cardview:1.0.0'
-    compile "com.android.support:appcompat-v7:$support_library_version"
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    compile "com.android.support:cardview-v7:$support_library_version"
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
-    compile "com.android.support:design:$support_library_version"
+    implementation 'androidx.preference:preference:1.1.1'
-    compile "com.android.support:recyclerview-v7:$support_library_version"
+    implementation 'androidx.annotation:annotation:1.1.0'
-    compile "com.android.support:support-annotations:$support_library_version"
+    implementation 'androidx.browser:browser:1.2.0'
-    compile "com.android.support:customtabs:$support_library_version"
+    implementation 'androidx.multidex:multidex:2.0.1'
+    implementation 'androidx.biometric:biometric:1.0.1'
 
-    compile 'com.android.support.constraint:constraint-layout:1.0.2'
+    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.android.support:multidex:1.0.1'
+    // UI library
+    implementation 'com.google.android.material:material:1.1.0'
+
+    standardImplementation 'com.google.firebase:firebase-core:17.4.0'
 
     // ReactiveX
-    compile 'io.reactivex:rxandroid:1.2.1'
+    implementation 'io.reactivex:rxandroid:1.2.1'
-    compile 'io.reactivex:rxjava:1.3.0'
+    implementation 'io.reactivex:rxjava:1.3.8'
-    compile 'com.jakewharton.rxrelay:rxrelay:1.2.0'
+    implementation 'com.jakewharton.rxrelay:rxrelay:1.2.0'
-    compile 'com.f2prateek.rx.preferences:rx-preferences:1.0.2'
+    implementation 'com.github.pwittchen:reactivenetwork:0.13.0'
-    compile 'com.github.pwittchen:reactivenetwork:0.7.0'
 
     // Network client
-    compile "com.squareup.okhttp3:okhttp:3.8.1"
+    final okhttp_version = '4.5.0'
-    compile 'com.squareup.okio:okio:1.13.0'
+    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 = '2.3.0'
+    final retrofit_version = '2.8.1'
-    compile "com.squareup.retrofit2:retrofit:$retrofit_version"
+    implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
-    compile "com.squareup.retrofit2:converter-gson:$retrofit_version"
+    implementation "com.squareup.retrofit2:converter-gson:$retrofit_version"
-    compile "com.squareup.retrofit2:adapter-rxjava:$retrofit_version"
+    implementation "com.squareup.retrofit2:adapter-rxjava:$retrofit_version"
 
     // JSON
-    compile 'com.google.code.gson:gson:2.8.1'
+    implementation 'com.google.code.gson:gson:2.8.6'
-    compile 'com.github.salomonbrys.kotson:kotson:2.5.0'
+    implementation 'com.github.salomonbrys.kotson:kotson:2.5.0'
-
-    // YAML
-    compile 'com.github.bmoliveira:snake-yaml:v1.18-android'
 
     // JavaScript engine
-    compile 'com.squareup.duktape:duktape-android:1.1.0'
+    implementation 'com.squareup.duktape:duktape-android:1.3.0'
 
     // Disk
-    compile 'com.jakewharton:disklrucache:2.0.2'
+    implementation 'com.jakewharton:disklrucache:2.0.2'
-    compile 'com.github.seven332:unifile:1.0.0'
+    implementation 'com.github.inorichi:unifile:e9ee588'
 
     // HTML parser
-    compile 'org.jsoup:jsoup:1.10.2'
+    implementation 'org.jsoup:jsoup:1.13.1'
 
     // Job scheduling
-    compile 'com.evernote:android-job:1.1.11'
+    final work_version = '2.3.4'
-    compile 'com.google.android.gms:play-services-gcm:11.0.1'
+    implementation "androidx.work:work-runtime:$work_version"
+    implementation "androidx.work:work-runtime-ktx:$work_version"
 
     // Changelog
-    compile 'com.github.gabrielemariotti.changeloglib:changelog:2.1.0'
+    implementation 'com.github.gabrielemariotti.changeloglib:changelog:2.1.0'
 
     // Database
-    compile "com.pushtorefresh.storio:sqlite:1.13.0"
+    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'
+    final nucleus_version = '6.0.0'
-    compile "info.android15.nucleus:nucleus:$nucleus_version"
+    implementation "info.android15.nucleus:nucleus:$nucleus_version"
-    compile "info.android15.nucleus:nucleus-support-v7:$nucleus_version"
+    implementation "info.android15.nucleus:nucleus-support-v7:$nucleus_version"
 
     // Dependency injection
-    compile "uy.kohesive.injekt:injekt-core:1.16.1"
+    implementation "com.github.inorichi.injekt:injekt-core:65b0440"
 
     // Image library
-    compile 'com.github.bumptech.glide:glide:3.8.0'
+    final glide_version = '4.11.0'
-    compile 'com.github.bumptech.glide:okhttp3-integration:1.5.0@aar'
+    implementation "com.github.bumptech.glide:glide:$glide_version"
-    // Transformations
+    implementation "com.github.bumptech.glide:okhttp3-integration:$glide_version"
-    compile 'jp.wasabeef:glide-transformations:2.0.2'
+    kapt "com.github.bumptech.glide:compiler:$glide_version"
 
     // Logging
-    compile 'com.jakewharton.timber:timber:4.5.1'
+    implementation 'com.jakewharton.timber:timber:4.7.1'
 
     // Crash reports
-    compile 'ch.acra:acra:4.9.2'
+    final acra_version = '5.5.0'
-
+    implementation "ch.acra:acra-http:$acra_version"
-    // Sort
-    compile 'com.github.gpanther:java-nat-sort:natural-comparator-1.1'
 
     // UI
-    compile 'com.dmitrymalkovich.android:material-design-dimens:1.4'
+    implementation 'com.dmitrymalkovich.android:material-design-dimens:1.4'
-    compile 'com.github.dmytrodanylyk.android-process-button:library:1.0.4'
+    implementation 'com.github.dmytrodanylyk.android-process-button:library:1.0.4'
-    compile 'eu.davidea:flexible-adapter:5.0.0-rc1'
+    implementation 'eu.davidea:flexible-adapter:5.1.0'
-    compile 'com.nononsenseapps:filepicker:2.5.2'
+    implementation 'eu.davidea:flexible-adapter-ui:1.0.0'
-    compile 'com.github.amulyakhare:TextDrawable:558677e'
+    implementation 'com.nononsenseapps:filepicker:2.5.2'
-    compile 'com.afollestad.material-dialogs:core:0.9.4.5'
+    implementation 'com.nightlynexus.viewstatepageradapter:viewstatepageradapter:1.1.0'
-    compile 'me.zhanghai.android.systemuihelper:library:1.0.0'
+    implementation 'com.github.mthli:Slice:v1.3'
-    compile 'de.hdodenhof:circleimageview:2.1.0'
+    implementation 'com.github.chrisbanes:PhotoView:2.3.0'
-    compile 'com.nightlynexus.viewstatepageradapter:viewstatepageradapter:1.0.4'
+    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
-    compile "com.bluelinelabs:conductor:2.1.4"
+    implementation 'com.bluelinelabs:conductor:2.1.5'
-    compile 'com.github.inorichi:conductor-support-preference:9e36460'
+    implementation("com.bluelinelabs:conductor-support:2.1.5") {
+        exclude group: "com.android.support"
+    }
+    implementation 'com.github.inorichi:conductor-support-preference:a32c357'
 
-    // RxBindings
+    // FlowBinding
-    final rxbindings_version = '1.0.1'
+    final flowbinding_version = '0.11.1'
-    compile "com.jakewharton.rxbinding:rxbinding-kotlin:$rxbindings_version"
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-android:$flowbinding_version"
-    compile "com.jakewharton.rxbinding:rxbinding-appcompat-v7-kotlin:$rxbindings_version"
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-appcompat:$flowbinding_version"
-    compile "com.jakewharton.rxbinding:rxbinding-support-v4-kotlin:$rxbindings_version"
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-recyclerview:$flowbinding_version"
-    compile "com.jakewharton.rxbinding:rxbinding-recyclerview-v7-kotlin:$rxbindings_version"
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-swiperefreshlayout:$flowbinding_version"
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-viewpager:$flowbinding_version"
 
     // Tests
-    testCompile 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13'
-    testCompile 'org.assertj:assertj-core:1.7.1'
+    testImplementation 'org.assertj:assertj-core:3.12.2'
-    testCompile 'org.mockito:mockito-core:1.10.19'
+    testImplementation 'org.mockito:mockito-core:1.10.19'
 
     final robolectric_version = '3.1.4'
-    testCompile "org.robolectric:robolectric:$robolectric_version"
+    testImplementation "org.robolectric:robolectric:$robolectric_version"
-    testCompile "org.robolectric:shadows-multidex:$robolectric_version"
+    testImplementation "org.robolectric:shadows-multidex:$robolectric_version"
-    testCompile "org.robolectric:shadows-play-services:$robolectric_version"
+    testImplementation "org.robolectric:shadows-play-services:$robolectric_version"
 
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
+
+    final coroutines_version = '1.3.5'
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
+
+    implementation 'com.google.android.gms:play-services-oss-licenses:17.0.0'
+
+    // For detecting memory leaks; see https://square.github.io/leakcanary/
+//    debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.2'
 }
 
 buildscript {
-    ext.kotlin_version = '1.1.3'
+    ext.kotlin_version = '1.3.72'
     repositories {
         mavenCentral()
     }
@@ -230,49 +278,20 @@ repositories {
     mavenCentral()
 }
 
-// Workaround to force a support lib version
+// See https://kotlinlang.org/docs/reference/experimental.html#experimental-status-of-experimental-api-markers
-configurations.all {
+tasks.withType(org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompile).all {
-    resolutionStrategy.eachDependency { details ->
+    kotlinOptions.freeCompilerArgs += ["-Xopt-in=kotlin.Experimental"]
-        def requested = details.requested
-        if (requested.group == 'com.android.support') {
-            if (!requested.name.startsWith("multidex")) {
-                details.useVersion '25.4.0'
-            }
-        }
-    }
 }
 
-// add support for placeholders in resource files
+// Duplicating Hebrew string assets due to some locale code issues on different devices
-//https://code.google.com/p/android/issues/detail?id=69224
+task copyResources(type: Copy) {
-def replacePlaceholdersInFile(basePath, fileName, placeholders) {
+    from './src/main/res/values-he'
-    def file = new File(basePath, fileName);
+    into './src/main/res/values-iw'
-
+    include '**/*'
-    if (!file.exists()) {
-        logger.quiet("Unable to replace placeholders in " + file.toString() + ". File cannot be found.")
-        return;
 }
 
-    logger.debug("Replacing placeholders in " + file.toString())
+preBuild.dependsOn(ktlintFormat, copyResources)
-    logger.debug("Placeholders: " + placeholders.toString())
 
-    def content = file.getText('UTF-8')
+if (getGradle().getStartParameter().getTaskRequests().toString().contains("Standard")) {
-
+    apply plugin: 'com.google.gms.google-services'
-    placeholders.each { entry ->
-        content = content.replaceAll("\\\$\\{${entry.key}\\}", entry.value)
-    }
-
-    file.write(content, 'UTF-8')
-}
-
-afterEvaluate {
-    android.applicationVariants.all { variant ->
-        variant.outputs.each { output ->
-            output.processResources.doFirst {
-                // prepare placeholder map from manifestPlaceholders including applicationId placeholder
-                def placeholders = variant.mergedFlavor.manifestPlaceholders + [applicationId: variant.applicationId]
-
-                replacePlaceholdersInFile(resDir, 'xml-v25/shortcuts.xml', placeholders)
-            }
-        }
-    }
 }

app/proguard-rules.pro

@@ -1,11 +1,27 @@
 -dontobfuscate
 
+# Extensions may require methods unused in the core app
 -dontwarn eu.kanade.tachiyomi.**
--keep class eu.kanade.tachiyomi.**
+-keep class eu.kanade.tachiyomi.** { public protected private *; }
--keep class eu.kanade.tachiyomi.source.model.** { *; }
+
+-keep class org.jsoup.** { *; }
+-keep class kotlin.** { *; }
+-keep class okhttp3.** { *; }
+-keep class com.google.gson.** { *; }
+-keep class com.github.salomonbrys.kotson.** { *; }
+-keep class com.squareup.duktape.** { *; }
+
+# 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>();
+}
 
 # OkHttp
 -dontwarn okhttp3.**
@@ -16,6 +32,7 @@
 # Glide specific rules #
 # https://github.com/bumptech/glide
 -keep public class * implements com.bumptech.glide.module.GlideModule
+-keep public class * extends com.bumptech.glide.AppGlideModule
 -keep public enum com.bumptech.glide.load.resource.bitmap.ImageHeaderParser$** {
     **[] $VALUES;
     public *;
@@ -37,26 +54,6 @@
     rx.internal.util.atomic.LinkedQueueNode consumerNode;
 }
 
-### Support v7, Design
-# http://stackoverflow.com/questions/29679177/cardview-shadow-not-appearing-in-lollipop-after-obfuscate-with-proguard/29698051
--keep class android.support.v7.widget.RoundRectDrawable { *; }
-
--keep public class android.support.v7.widget.** { *; }
--keep public class android.support.v7.internal.widget.** { *; }
--keep public class android.support.v7.internal.view.menu.** { *; }
--keep public class android.support.v7.graphics.drawable.** { *; }
-
--keep public class * extends android.support.v4.view.ActionProvider {
-    public <init>(android.content.Context);
-}
-
--dontwarn android.support.**
--dontwarn android.support.design.**
--keep class android.support.design.** { *; }
--keep interface android.support.design.** { *; }
--keep public class android.support.design.R$* { *; }
-
-
 # ReactiveNetwork
 -dontwarn com.github.pwittchen.reactivenetwork.**
 
@@ -74,10 +71,3 @@
 -keep class * implements com.google.gson.TypeAdapterFactory
 -keep class * implements com.google.gson.JsonSerializer
 -keep class * implements com.google.gson.JsonDeserializer
-
-# SnakeYaml
--keep class org.yaml.snakeyaml.** { public protected private *; }
--dontwarn org.yaml.snakeyaml.**
-
-# Duktape
--keep class com.squareup.duktape.** { *; }

app/shortcuts.xml

@@ -2,50 +2,46 @@
 
     <shortcut
         android:enabled="true"
-        android:icon="@drawable/sc_book_48dp"
+        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"
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
-            android:targetPackage="${applicationId}" />
     </shortcut>
     <shortcut
         android:enabled="true"
-        android:icon="@drawable/sc_update_48dp"
+        android:icon="@drawable/sc_new_releases_48dp"
         android:shortcutDisabledMessage="@string/app_not_available"
         android:shortcutId="show_recently_updated"
         android:shortcutLongLabel="@string/label_recent_updates"
         android:shortcutShortLabel="@string/short_recent_updates">
         <intent
             android:action="eu.kanade.tachiyomi.SHOW_RECENTLY_UPDATED"
-            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity"
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
-            android:targetPackage="${applicationId}" />
     </shortcut>
     <shortcut
         android:enabled="true"
-        android:icon="@drawable/sc_glasses_48dp"
+        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"
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
-            android:targetPackage="${applicationId}" />
     </shortcut>
     <shortcut
         android:enabled="true"
         android:icon="@drawable/sc_explore_48dp"
         android:shortcutDisabledMessage="@string/app_not_available"
         android:shortcutId="show_catalogues"
-        android:shortcutLongLabel="@string/label_catalogues"
+        android:shortcutLongLabel="@string/browse"
-        android:shortcutShortLabel="@string/label_catalogues">
+        android:shortcutShortLabel="@string/browse">
         <intent
             android:action="eu.kanade.tachiyomi.SHOW_CATALOGUES"
-            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity"
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
-            android:targetPackage="${applicationId}" />
     </shortcut>
 </shortcuts>

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

@@ -0,0 +1,34 @@
+<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:pathData="M54,54.5m-25.5,0a25.5,25.5 0,1 1,51 0a25.5,25.5 0,1 1,-51 0"
+        android:fillType="evenOdd"
+        android:fillColor="#000"/>
+    <path
+        android:pathData="M54,54.5m-25.5,0a25.5,25.5 0,1 1,51 0a25.5,25.5 0,1 1,-51 0"
+        android:fillType="evenOdd"
+        android:fillColor="#CE2828"/>
+    <path
+        android:pathData="M54,54.5m-19.94,0a19.94,19.94 0,1 1,39.87 0a19.94,19.94 0,1 1,-39.87 0"
+        android:fillType="evenOdd"
+        android:fillColor="#FFF"/>
+    <path
+        android:pathData="M52.04,46.3L47.42,46.3C46.14,46.3 44.93,46.23 44.2,46.14L44.2,49.76C45,49.65 46.16,49.6 47.42,49.6L60.58,49.6C61.86,49.6 63.02,49.65 63.82,49.76L63.82,46.14C63.09,46.23 61.86,46.3 60.58,46.3L55.69,46.3L55.69,45.07C55.69,44.43 55.73,43.95 55.82,43.45L51.9,43.45C51.99,44 52.04,44.43 52.04,45.07L52.04,46.3ZM46.78,60.68C45.46,60.68 44.29,60.63 43.45,60.52L43.45,64.14C44.34,64.03 45.46,63.98 46.78,63.98L61.29,63.98C62.57,63.98 63.71,64.03 64.57,64.14L64.57,60.52C63.73,60.63 62.57,60.68 61.29,60.68L58.24,60.68C59.33,58.06 59.99,56.23 60.7,53.91C61.34,51.81 61.34,51.81 61.56,51.13L57.58,50.06C57.51,50.93 57.37,51.52 56.89,53.41C56.19,56.14 55.32,58.74 54.5,60.68L46.78,60.68ZM46.48,51.36C47.55,54.02 48.28,56.53 49.03,60.15L52.66,58.9C51.65,54.98 50.92,52.66 49.94,50.11L46.48,51.36Z"
+        android:fillType="evenOdd"
+        android:fillColor="#000"/>
+</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

@@ -8,37 +8,72 @@
     <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.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" />
 
     <application
         android:name=".App"
         android:allowBackup="true"
+        android:fullBackupContent="@xml/backup_rules"
         android:hardwareAccelerated="true"
+        android:hasFragileUserData="true"
         android:icon="@mipmap/ic_launcher"
-        android:roundIcon="@mipmap/ic_launcher_round"
         android:label="@string/app_name"
         android:largeHeap="true"
-        android:theme="@style/Theme.Tachiyomi">
+        android:requestLegacyExternalStorage="true"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:theme="@style/Theme.Tachiyomi.Light"
+        android:usesCleartextTraffic="true">
         <activity
             android:name=".ui.main.MainActivity"
-            android:launchMode="singleTask">
+            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>
-            <meta-data android:name="android.app.shortcuts"
+            <!--suppress AndroidDomInspection -->
+            <meta-data
+                android:name="android.app.shortcuts"
                 android:resource="@xml/shortcuts" />
         </activity>
+        <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:theme="@style/Theme.Reader" />
+            android:launchMode="singleTask" />
+        <activity
+            android:name=".ui.security.BiometricUnlockActivity"
+            android:theme="@style/Theme.Splash" />
+        <activity
+            android:name=".ui.webview.WebViewActivity"
+            android:configChanges="uiMode|orientation|screenSize" />
         <activity
             android:name=".widget.CustomLayoutPickerActivity"
             android:label="@string/app_name"
             android:theme="@style/FilePickerTheme" />
         <activity
-            android:name=".ui.setting.AnilistLoginActivity"
+            android:name=".ui.setting.track.AnilistLoginActivity"
             android:label="Anilist">
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
@@ -51,9 +86,48 @@
                     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>
+
+        <activity
+            android:name=".extension.util.ExtensionInstallActivity"
+            android:theme="@android:style/Theme.Translucent.NoTitleBar" />
+
+        <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" />
 
         <provider
-            android:name="android.support.v4.content.FileProvider"
+            android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}.provider"
             android:exported="false"
             android:grantUriPermissions="true">
@@ -62,16 +136,6 @@
                 android:resource="@xml/provider_paths" />
         </provider>
 
-        <provider
-            android:name="eu.kanade.tachiyomi.util.ZipContentProvider"
-            android:authorities="${applicationId}.zip-provider"
-            android:exported="false" />
-
-        <provider
-            android:name="eu.kanade.tachiyomi.util.RarContentProvider"
-            android:authorities="${applicationId}.rar-provider"
-            android:exported="false" />
-
         <receiver
             android:name=".data.notification.NotificationReceiver"
             android:exported="false" />
@@ -85,7 +149,7 @@
             android:exported="false" />
 
         <service
-            android:name=".data.updater.UpdateDownloaderService"
+            android:name=".data.updater.UpdaterService"
             android:exported="false" />
 
         <service
@@ -96,10 +160,6 @@
             android:name=".data.backup.BackupRestoreService"
             android:exported="false" />
 
-        <meta-data
-            android:name="eu.kanade.tachiyomi.data.glide.AppGlideModule"
-            android:value="GlideModule" />
-
     </application>
 
 </manifest>

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

@@ -3,66 +3,74 @@ package eu.kanade.tachiyomi
 import android.app.Application
 import android.content.Context
 import android.content.res.Configuration
-import android.support.multidex.MultiDex
+import androidx.lifecycle.Lifecycle
-import com.evernote.android.job.JobManager
+import androidx.lifecycle.LifecycleObserver
-import eu.kanade.tachiyomi.data.backup.BackupCreatorJob
+import androidx.lifecycle.OnLifecycleEvent
-import eu.kanade.tachiyomi.data.library.LibraryUpdateJob
+import androidx.lifecycle.ProcessLifecycleOwner
-import eu.kanade.tachiyomi.data.updater.UpdateCheckerJob
+import androidx.multidex.MultiDex
-import eu.kanade.tachiyomi.util.LocaleHelper
+import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.ui.security.SecureActivityDelegate
+import eu.kanade.tachiyomi.util.system.LocaleHelper
 import org.acra.ACRA
-import org.acra.annotation.ReportsCrashes
+import org.acra.annotation.AcraCore
+import org.acra.annotation.AcraHttpSender
+import org.acra.sender.HttpSender
 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
 
-@ReportsCrashes(
+@AcraCore(
-        formUri = "http://tachiyomi.kanade.eu/crash_report",
-        reportType = org.acra.sender.HttpSender.Type.JSON,
-        httpMethod = org.acra.sender.HttpSender.Method.PUT,
     buildConfigClass = BuildConfig::class,
-        excludeMatchingSharedPreferencesKeys = arrayOf(".*username.*", ".*password.*", ".*token.*")
+    excludeMatchingSharedPreferencesKeys = [".*username.*", ".*password.*", ".*token.*"]
 )
-open class App : Application() {
+@AcraHttpSender(
+    uri = "https://tachiyomi.kanade.eu/crash_report",
+    httpMethod = HttpSender.Method.PUT
+)
+open class App : Application(), LifecycleObserver {
 
     override fun onCreate() {
         super.onCreate()
+        if (BuildConfig.DEBUG) Timber.plant(Timber.DebugTree())
+
         Injekt = InjektScope(DefaultRegistrar())
         Injekt.importModule(AppModule(this))
 
-        if (BuildConfig.DEBUG) Timber.plant(Timber.DebugTree())
-
         setupAcra()
-        setupJobManager()
+        setupNotificationChannels()
 
         LocaleHelper.updateConfiguration(this, resources.configuration)
+
+        ProcessLifecycleOwner.get().lifecycle.addObserver(this)
     }
 
     override fun attachBaseContext(base: Context) {
         super.attachBaseContext(base)
-        if (BuildConfig.DEBUG) {
         MultiDex.install(this)
     }
-    }
 
     override fun onConfigurationChanged(newConfig: Configuration) {
         super.onConfigurationChanged(newConfig)
         LocaleHelper.updateConfiguration(this, newConfig, true)
     }
 
+    @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 setupAcra() {
         ACRA.init(this)
     }
 
-    protected open fun setupJobManager() {
+    protected open fun setupNotificationChannels() {
-        JobManager.create(this).addJobCreator { tag ->
+        Notifications.createChannels(this)
-            when (tag) {
-                LibraryUpdateJob.TAG -> LibraryUpdateJob()
-                UpdateCheckerJob.TAG -> UpdateCheckerJob()
-                BackupCreatorJob.TAG -> BackupCreatorJob()
-                else -> null
     }
 }
-    }
-
-}

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

@@ -8,15 +8,21 @@ 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 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) }
 
@@ -28,7 +34,9 @@ class AppModule(val app: Application) : InjektModule {
 
         addSingletonFactory { NetworkHelper(app) }
 
-            addSingletonFactory { SourceManager(app) }
+        addSingletonFactory { SourceManager(app).also { get<ExtensionManager>().init(it) } }
+
+        addSingletonFactory { ExtensionManager(app) }
 
         addSingletonFactory { DownloadManager(app) }
 
@@ -36,6 +44,16 @@ class AppModule(val app: Application) : InjektModule {
 
         addSingletonFactory { Gson() }
 
-    }
+        // 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/Constants.kt

@@ -1,10 +0,0 @@
-package eu.kanade.tachiyomi
-
-object Constants {
-    const val NOTIFICATION_LIBRARY_PROGRESS_ID = 1
-    const val NOTIFICATION_LIBRARY_RESULT_ID = 2
-    const val NOTIFICATION_UPDATER_ID = 3
-    const val NOTIFICATION_DOWNLOAD_CHAPTER_ID = 4
-    const val NOTIFICATION_DOWNLOAD_CHAPTER_ERROR_ID = 5
-    const val NOTIFICATION_DOWNLOAD_IMAGE_ID = 6
-}

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

@@ -1,9 +1,11 @@
 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.preference.getOrDefault
+import eu.kanade.tachiyomi.data.updater.UpdaterJob
-import eu.kanade.tachiyomi.data.updater.UpdateCheckerJob
+import eu.kanade.tachiyomi.extension.ExtensionUpdateJob
+import eu.kanade.tachiyomi.ui.library.LibrarySort
 import java.io.File
 
 object Migrations {
@@ -16,18 +18,33 @@ object Migrations {
      */
     fun upgrade(preferences: PreferencesHelper): Boolean {
         val context = preferences.context
-        val oldVersion = preferences.lastVersionCode().getOrDefault()
+        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)
 
-            if (oldVersion == 0) return false
+            // 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.
+                // Restore jobs after upgrading to Evernote's job scheduler.
-                if (BuildConfig.INCLUDE_UPDATER && preferences.automaticUpdates()) {
+                if (BuildConfig.INCLUDE_UPDATER) {
-                    UpdateCheckerJob.setupTask()
+                    UpdaterJob.setupTask(context)
                 }
-                LibraryUpdateJob.setupTask()
+                LibraryUpdateJob.setupTask(context)
             }
             if (oldVersion < 15) {
                 // Delete internal chapter cache dir.
@@ -39,15 +56,41 @@ object Migrations {
                 if (oldDir.exists()) {
                     val destDir = context.getExternalFilesDir("covers")
                     if (destDir != null) {
-                        oldDir.listFiles().forEach {
+                        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

@@ -1,23 +1,10 @@
 package eu.kanade.tachiyomi.data.backup
-import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
 
+import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
 
 object BackupConst {
 
-    const val INTENT_FILTER = "SettingsBackupFragment"
+    private const val NAME = "BackupRestoreServices"
-    const val ACTION_BACKUP_COMPLETED_DIALOG = "$ID.$INTENT_FILTER.ACTION_BACKUP_COMPLETED_DIALOG"
+    const val EXTRA_URI = "$ID.$NAME.EXTRA_URI"
-    const val ACTION_SET_PROGRESS_DIALOG = "$ID.$INTENT_FILTER.ACTION_SET_PROGRESS_DIALOG"
+    const val EXTRA_FLAGS = "$ID.$NAME.EXTRA_FLAGS"
-    const val ACTION_ERROR_BACKUP_DIALOG = "$ID.$INTENT_FILTER.ACTION_ERROR_BACKUP_DIALOG"
-    const val ACTION_ERROR_RESTORE_DIALOG = "$ID.$INTENT_FILTER.ACTION_ERROR_RESTORE_DIALOG"
-    const val ACTION_RESTORE_COMPLETED_DIALOG = "$ID.$INTENT_FILTER.ACTION_RESTORE_COMPLETED_DIALOG"
-    const val ACTION = "$ID.$INTENT_FILTER.ACTION"
-    const val EXTRA_PROGRESS = "$ID.$INTENT_FILTER.EXTRA_PROGRESS"
-    const val EXTRA_AMOUNT = "$ID.$INTENT_FILTER.EXTRA_AMOUNT"
-    const val EXTRA_ERRORS = "$ID.$INTENT_FILTER.EXTRA_ERRORS"
-    const val EXTRA_CONTENT = "$ID.$INTENT_FILTER.EXTRA_CONTENT"
-    const val EXTRA_ERROR_MESSAGE = "$ID.$INTENT_FILTER.EXTRA_ERROR_MESSAGE"
-    const val EXTRA_URI = "$ID.$INTENT_FILTER.EXTRA_URI"
-    const val EXTRA_TIME = "$ID.$INTENT_FILTER.EXTRA_TIME"
-    const val EXTRA_ERROR_FILE_PATH = "$ID.$INTENT_FILTER.EXTRA_ERROR_FILE_PATH"
-    const val EXTRA_ERROR_FILE = "$ID.$INTENT_FILTER.EXTRA_ERROR_FILE"
 }

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

@@ -1,36 +1,22 @@
 package eu.kanade.tachiyomi.data.backup
 
-import android.app.IntentService
+import android.app.Service
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
-import com.github.salomonbrys.kotson.set
+import android.os.Build
-import com.google.gson.JsonArray
+import android.os.IBinder
-import com.google.gson.JsonObject
+import android.os.PowerManager
 import com.hippo.unifile.UniFile
-import eu.kanade.tachiyomi.data.backup.models.Backup
+import eu.kanade.tachiyomi.data.notification.Notifications
-import eu.kanade.tachiyomi.data.backup.models.Backup.CATEGORIES
+import eu.kanade.tachiyomi.util.system.isServiceRunning
-import eu.kanade.tachiyomi.data.backup.models.Backup.MANGAS
-import eu.kanade.tachiyomi.data.backup.models.Backup.VERSION
-import eu.kanade.tachiyomi.data.database.models.Manga
-import eu.kanade.tachiyomi.util.sendLocalBroadcast
-import timber.log.Timber
-import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
 
 /**
- * [IntentService] used to backup [Manga] information to [JsonArray]
+ * Service for backing up library information to a JSON file.
  */
-class BackupCreateService : IntentService(NAME) {
+class BackupCreateService : Service() {
 
     companion object {
-        // Name of class
-        private const val NAME = "BackupCreateService"
-
-        // Backup called from job
-        private const val EXTRA_IS_JOB = "$ID.$NAME.EXTRA_IS_JOB"
-        // Options for backup
-        private const val EXTRA_FLAGS = "$ID.$NAME.EXTRA_FLAGS"
-
         // Filter options
         internal const val BACKUP_CATEGORY = 0x1
         internal const val BACKUP_CATEGORY_MASK = 0x1
@@ -42,123 +28,94 @@ class BackupCreateService : IntentService(NAME) {
         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 path path of Uri
+         * @param uri path of Uri
          * @param flags determines what to backup
-         * @param isJob backup called from job
          */
-        fun makeBackup(context: Context, uri: Uri, flags: Int, isJob: Boolean = false) {
+        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(EXTRA_IS_JOB, isJob)
+                    putExtra(BackupConst.EXTRA_FLAGS, flags)
-                putExtra(EXTRA_FLAGS, flags)
                 }
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
                     context.startService(intent)
+                } else {
+                    context.startForegroundService(intent)
+                }
             }
-
         }
-
-    private val backupManager by lazy { BackupManager(this) }
-
-    override fun onHandleIntent(intent: Intent?) {
-        if (intent == null) return
-
-        // Get values
-        val uri = intent.getParcelableExtra<Uri>(BackupConst.EXTRA_URI)
-        val isJob = intent.getBooleanExtra(EXTRA_IS_JOB, false)
-        val flags = intent.getIntExtra(EXTRA_FLAGS, 0)
-        // Create backup
-        createBackupFromApp(uri, flags, isJob)
     }
 
     /**
-     * Create backup Json file from database
+     * Wake lock that will be held until the service is destroyed.
-     *
-     * @param uri path of Uri
-     * @param isJob backup called from job
      */
-    fun createBackupFromApp(uri: Uri, flags: Int, isJob: Boolean) {
+    private lateinit var wakeLock: PowerManager.WakeLock
-        // Create root object
-        val root = JsonObject()
 
-        // Create information object
+    private lateinit var backupManager: BackupManager
-        val information = JsonObject()
+    private lateinit var notifier: BackupNotifier
 
-        // Create manga array
+    override fun onCreate() {
-        val mangaEntries = JsonArray()
+        super.onCreate()
+        notifier = BackupNotifier(this)
 
-        // Create category array
+        startForeground(Notifications.ID_BACKUP_PROGRESS, notifier.showBackupProgress().build())
-        val categoryEntries = JsonArray()
 
-        // Add value's to root
+        wakeLock = (getSystemService(Context.POWER_SERVICE) as PowerManager).newWakeLock(
-        root[VERSION] = Backup.CURRENT_VERSION
+            PowerManager.PARTIAL_WAKE_LOCK, "${javaClass.name}:WakeLock"
-        root[MANGAS] = mangaEntries
+        )
-        root[CATEGORIES] = categoryEntries
+        wakeLock.acquire()
-
-        backupManager.databaseHelper.inTransaction {
-            // Get manga from database
-            val mangas = backupManager.getFavoriteManga()
-
-            // Backup library manga and its dependencies
-            mangas.forEach { manga ->
-                mangaEntries.add(backupManager.backupMangaObject(manga, flags))
     }
 
-            // Backup categories
+    override fun stopService(name: Intent?): Boolean {
-            if ((flags and BACKUP_CATEGORY_MASK) == BACKUP_CATEGORY) {
+        destroyJob()
-                backupManager.backupCategories(categoryEntries)
+        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 {
-            // When BackupCreatorJob
+            val uri = intent.getParcelableExtra<Uri>(BackupConst.EXTRA_URI)
-            if (isJob) {
+            val backupFlags = intent.getIntExtra(BackupConst.EXTRA_FLAGS, 0)
-                // Get dir of file
+            backupManager = BackupManager(this)
-                val dir = UniFile.fromUri(this, uri)
 
-                // Delete older backups
+            val backupFileUri = Uri.parse(backupManager.createBackup(uri, backupFlags, false))
-                val numberOfBackups = backupManager.numberOfBackups()
+            val unifile = UniFile.fromUri(this, backupFileUri)
-                val backupRegex = Regex("""tachiyomi_\d+-\d+-\d+_\d+-\d+.json""")
+            notifier.showBackupComplete(unifile)
-                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 {
-                    backupManager.parser.toJson(root, it)
-                }
-            } else {
-                val file = UniFile.fromUri(this, uri)
-                        ?: throw Exception("Couldn't create backup file")
-                file.openOutputStream().bufferedWriter().use {
-                    backupManager.parser.toJson(root, it)
-                }
-
-                // Show completed dialog
-                val intent = Intent(BackupConst.INTENT_FILTER).apply {
-                    putExtra(BackupConst.ACTION, BackupConst.ACTION_BACKUP_COMPLETED_DIALOG)
-                    putExtra(BackupConst.EXTRA_URI, file.uri.toString())
-                }
-                sendLocalBroadcast(intent)
-            }
         } catch (e: Exception) {
-            Timber.e(e)
+            notifier.showBackupError(e.message)
-            if (!isJob) {
-                // Show error dialog
-                val intent = Intent(BackupConst.INTENT_FILTER).apply {
-                    putExtra(BackupConst.ACTION, BackupConst.ACTION_ERROR_BACKUP_DIALOG)
-                    putExtra(BackupConst.EXTRA_ERROR_MESSAGE, e.message)
-                }
-                sendLocalBroadcast(intent)
-            }
         }
+
+        stopSelf(startId)
+        return START_NOT_STICKY
     }
 }

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

@@ -1,43 +1,51 @@
 package eu.kanade.tachiyomi.data.backup
 
+import android.content.Context
 import android.net.Uri
-import com.evernote.android.job.Job
+import androidx.work.ExistingPeriodicWorkPolicy
-import com.evernote.android.job.JobManager
+import androidx.work.PeriodicWorkRequestBuilder
-import com.evernote.android.job.JobRequest
+import androidx.work.WorkManager
+import androidx.work.Worker
+import androidx.work.WorkerParameters
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
-import eu.kanade.tachiyomi.data.preference.getOrDefault
+import java.util.concurrent.TimeUnit
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
-import java.io.File
 
-class BackupCreatorJob : Job() {
+class BackupCreatorJob(private val context: Context, workerParams: WorkerParameters) :
+    Worker(context, workerParams) {
 
-    override fun onRunJob(params: Params): Result {
+    override fun doWork(): Result {
         val preferences = Injekt.get<PreferencesHelper>()
-        val uri = Uri.fromFile(File(preferences.backupsDirectory().getOrDefault()))
+        val backupManager = BackupManager(context)
+        val uri = Uri.parse(preferences.backupsDirectory().get())
         val flags = BackupCreateService.BACKUP_ALL
-        BackupCreateService.makeBackup(context, uri, flags, true)
+        return try {
-        return Result.SUCCESS
+            backupManager.createBackup(uri, flags, true)
+            Result.success()
+        } catch (e: Exception) {
+            Result.failure()
+        }
     }
 
     companion object {
-        const val TAG = "BackupCreator"
+        private const val TAG = "BackupCreator"
 
-        fun setupTask(prefInterval: Int? = null) {
+        fun setupTask(context: Context, prefInterval: Int? = null) {
             val preferences = Injekt.get<PreferencesHelper>()
-            val interval = prefInterval ?: preferences.backupInterval().getOrDefault()
+            val interval = prefInterval ?: preferences.backupInterval().get()
             if (interval > 0) {
-                JobRequest.Builder(TAG)
+                val request = PeriodicWorkRequestBuilder<BackupCreatorJob>(
-                        .setPeriodic(interval * 60 * 60 * 1000L, 10 * 60 * 1000)
+                    interval.toLong(), TimeUnit.HOURS,
-                        .setPersisted(true)
+                    10, TimeUnit.MINUTES
-                        .setUpdateCurrent(true)
+                )
+                    .addTag(TAG)
                     .build()
-                        .schedule()
-            }
-        }
 
-        fun cancelTask() {
+                WorkManager.getInstance(context).enqueueUniquePeriodicWork(TAG, ExistingPeriodicWorkPolicy.REPLACE, request)
-            JobManager.instance().cancelAllForTag(TAG)
+            } else {
+                WorkManager.getInstance(context).cancelAllWorkByTag(TAG)
+            }
         }
     }
 }

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

@@ -1,8 +1,17 @@
 package eu.kanade.tachiyomi.data.backup
 
 import android.content.Context
-import com.github.salomonbrys.kotson.*
+import android.net.Uri
-import com.google.gson.*
+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
@@ -11,35 +20,46 @@ import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_HIST
 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.*
+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.*
+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.preference.getOrDefault
+import eu.kanade.tachiyomi.data.track.TrackManager
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.SourceManager
-import eu.kanade.tachiyomi.util.syncChaptersWithSource
+import eu.kanade.tachiyomi.util.chapter.syncChaptersWithSource
+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) {
 
-    /**
-     * Database.
-     */
     internal val databaseHelper: DatabaseHelper by injectLazy()
-
-    /**
-     * Source manager.
-     */
     internal val sourceManager: SourceManager by injectLazy()
+    internal val trackManager: TrackManager by injectLazy()
+    private val preferences: PreferencesHelper by injectLazy()
 
     /**
      * Version of parser
@@ -52,11 +72,6 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      */
     var parser: Gson = initParser()
 
-    /**
-     * Preferences
-     */
-    private val preferences: PreferencesHelper by injectLazy()
-
     /**
      * Set version of parser
      *
@@ -67,10 +82,10 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         parser = initParser()
     }
 
-    private fun initParser(): Gson {
+    private fun initParser(): Gson = when (version) {
-        return when (version) {
         1 -> GsonBuilder().create()
-            2 -> GsonBuilder()
+        2 ->
+            GsonBuilder()
                 .registerTypeAdapter<MangaImpl>(MangaTypeAdapter.build())
                 .registerTypeHierarchyAdapter<ChapterImpl>(ChapterTypeAdapter.build())
                 .registerTypeAdapter<CategoryImpl>(CategoryTypeAdapter.build())
@@ -79,6 +94,101 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
                 .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 != 0L) {
+                    extensions.add("${manga.source}:${sourceManager.get(manga.source)!!.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)
+        }
     }
 
     /**
@@ -108,7 +218,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         if (options and BACKUP_CHAPTER_MASK == BACKUP_CHAPTER) {
             // Backup all the chapters
             val chapters = databaseHelper.getChapters(manga).executeAsBlocking()
-            if (!chapters.isEmpty()) {
+            if (chapters.isNotEmpty()) {
                 val chaptersJson = parser.toJsonTree(chapters)
                 if (chaptersJson.asJsonArray.size() > 0) {
                     entry[CHAPTERS] = chaptersJson
@@ -120,7 +230,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         if (options and BACKUP_CATEGORY_MASK == BACKUP_CATEGORY) {
             // Backup categories for this manga
             val categoriesForManga = databaseHelper.getCategoriesForManga(manga).executeAsBlocking()
-            if (!categoriesForManga.isEmpty()) {
+            if (categoriesForManga.isNotEmpty()) {
                 val categoriesNames = categoriesForManga.map { it.name }
                 entry[CATEGORIES] = parser.toJsonTree(categoriesNames)
             }
@@ -129,7 +239,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         // Check if user wants track information in backup
         if (options and BACKUP_TRACK_MASK == BACKUP_TRACK) {
             val tracks = databaseHelper.getTracks(manga).executeAsBlocking()
-            if (!tracks.isEmpty()) {
+            if (tracks.isNotEmpty()) {
                 entry[TRACK] = parser.toJsonTree(tracks)
             }
         }
@@ -137,7 +247,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         // 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.isEmpty()) {
+            if (historyForManga.isNotEmpty()) {
                 val historyData = historyForManga.mapNotNull { history ->
                     val url = databaseHelper.getChapter(history.chapter_id).executeAsBlocking()?.url
                     url?.let { DHistory(url, history.last_read) }
@@ -187,8 +297,8 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
     fun restoreChapterFetchObservable(source: Source, manga: Manga, chapters: List<Chapter>): Observable<Pair<List<Chapter>, List<Chapter>>> {
         return source.fetchChapterList(manga)
             .map { syncChaptersWithSource(databaseHelper, it, manga, source) }
-                .doOnNext {
+            .doOnNext { pair ->
-                    if (it.first.isNotEmpty()) {
+                if (pair.first.isNotEmpty()) {
                     chapters.forEach { it.manga_id = manga.id }
                     insertChapters(chapters)
                 }
@@ -248,7 +358,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         }
 
         // Update database
-        if (!mangaCategoriesToUpdate.isEmpty()) {
+        if (mangaCategoriesToUpdate.isNotEmpty()) {
             val mangaAsList = ArrayList<Manga>()
             mangaAsList.add(manga)
             databaseHelper.deleteOldMangasCategories(mangaAsList).executeAsBlocking()
@@ -269,7 +379,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
             // Check if history already in database and update
             if (dbHistory != null) {
                 dbHistory.apply {
-                    last_read = Math.max(lastRead, dbHistory.last_read)
+                    last_read = max(lastRead, dbHistory.last_read)
                 }
                 historyToBeUpdated.add(dbHistory)
             } else {
@@ -300,14 +410,19 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         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.remote_id != dbTrack.remote_id) {
+                        if (track.media_id != dbTrack.media_id) {
-                        dbTrack.remote_id = track.remote_id
+                            dbTrack.media_id = track.media_id
                         }
-                    dbTrack.last_chapter_read = Math.max(dbTrack.last_chapter_read, track.last_chapter_read)
+                        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
@@ -319,8 +434,9 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
                     trackToUpdate.add(track)
                 }
             }
+        }
         // Update database
-        if (!trackToUpdate.isEmpty()) {
+        if (trackToUpdate.isNotEmpty()) {
             databaseHelper.insertTracks(trackToUpdate).executeAsBlocking()
         }
     }
@@ -336,8 +452,9 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         val dbChapters = databaseHelper.getChapters(manga).executeAsBlocking()
 
         // Return if fetch is needed
-        if (dbChapters.isEmpty() || dbChapters.size < chapters.size)
+        if (dbChapters.isEmpty() || dbChapters.size < chapters.size) {
             return false
+        }
 
         for (chapter in chapters) {
             val pos = dbChapters.indexOf(chapter)
@@ -361,32 +478,29 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      *
      * @return [Manga], null if not found
      */
-    internal fun getMangaFromDatabase(manga: Manga): Manga? {
+    internal fun getMangaFromDatabase(manga: Manga): Manga? =
-        return databaseHelper.getManga(manga.url, manga.source).executeAsBlocking()
+        databaseHelper.getManga(manga.url, manga.source).executeAsBlocking()
-    }
 
     /**
      * Returns list containing manga from library
      *
      * @return [Manga] from library
      */
-    internal fun getFavoriteManga(): List<Manga> {
+    internal fun getFavoriteManga(): List<Manga> =
-        return databaseHelper.getFavoriteMangas().executeAsBlocking()
+        databaseHelper.getFavoriteMangas().executeAsBlocking()
-    }
 
     /**
      * Inserts manga and returns id
      *
      * @return id of [Manga], null if not found
      */
-    internal fun insertManga(manga: Manga): Long? {
+    internal fun insertManga(manga: Manga): Long? =
-        return databaseHelper.insertManga(manga).executeAsBlocking().insertedId()
+        databaseHelper.insertManga(manga).executeAsBlocking().insertedId()
-    }
 
     /**
      * Inserts list of chapters
      */
-    internal fun insertChapters(chapters: List<Chapter>) {
+    private fun insertChapters(chapters: List<Chapter>) {
         databaseHelper.updateChaptersBackup(chapters).executeAsBlocking()
     }
 
@@ -395,7 +509,5 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      *
      * @return number of backups selected by user
      */
-    fun numberOfBackups(): Int {
+    fun numberOfBackups(): Int = preferences.numberOfBackups().get()
-        return preferences.numberOfBackups().getOrDefault()
-    }
 }

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

@@ -0,0 +1,159 @@
+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)
+        }
+
+        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)
+
+            // 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.getString(R.string.restore_completed_content, 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

@@ -4,10 +4,13 @@ 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
@@ -20,24 +23,30 @@ 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.*
+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.chop
+import eu.kanade.tachiyomi.util.system.isServiceRunning
-import eu.kanade.tachiyomi.util.isServiceRunning
-import eu.kanade.tachiyomi.util.sendLocalBroadcast
-import rx.Observable
-import rx.Subscription
-import rx.schedulers.Schedulers
-import timber.log.Timber
-import uy.kohesive.injekt.injectLazy
 import java.io.File
 import java.text.SimpleDateFormat
-import java.util.*
+import java.util.Date
-import java.util.concurrent.ExecutorService
+import java.util.Locale
-import java.util.concurrent.Executors
+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 json file
+ * Restores backup from a JSON file.
  */
 class BackupRestoreService : Service() {
 
@@ -49,9 +58,8 @@ class BackupRestoreService : Service() {
          * @param context the application context.
          * @return true if the service is running, false otherwise.
          */
-        fun isRunning(context: Context): Boolean {
+        fun isRunning(context: Context): Boolean =
-            return context.isServiceRunning(BackupRestoreService::class.java)
+            context.isServiceRunning(BackupRestoreService::class.java)
-        }
 
         /**
          * Starts a service to restore a backup from Json
@@ -64,7 +72,11 @@ class BackupRestoreService : Service() {
                 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)
+                }
             }
         }
 
@@ -75,6 +87,8 @@ class BackupRestoreService : Service() {
          */
         fun stop(context: Context) {
             context.stopService(Intent(context, BackupRestoreService::class.java))
+
+            BackupNotifier(context).showRestoreError(context.getString(R.string.restoring_backup_canceled))
         }
     }
 
@@ -83,10 +97,7 @@ class BackupRestoreService : Service() {
      */
     private lateinit var wakeLock: PowerManager.WakeLock
 
-    /**
+    private var job: Job? = null
-     * Subscription where the update is done.
-     */
-    private var subscription: Subscription? = null
 
     /**
      * The progress of a backup restore
@@ -103,48 +114,46 @@ class BackupRestoreService : Service() {
      */
     private val errors = mutableListOf<Pair<Date, String>>()
 
-    /**
-     * Backup manager
-     */
     private lateinit var backupManager: BackupManager
+    private lateinit var notifier: BackupNotifier
 
-    /**
-     * Database
-     */
     private val db: DatabaseHelper by injectLazy()
 
-    lateinit var executor: ExecutorService
+    private val trackManager: TrackManager by injectLazy()
 
-    /**
-     * Method called when the service is created. It injects dependencies and acquire the wake lock.
-     */
     override fun onCreate() {
         super.onCreate()
+        notifier = BackupNotifier(this)
+
+        startForeground(Notifications.ID_RESTORE_PROGRESS, notifier.showRestoreProgress().build())
+
         wakeLock = (getSystemService(Context.POWER_SERVICE) as PowerManager).newWakeLock(
-                PowerManager.PARTIAL_WAKE_LOCK, "BackupRestoreService:WakeLock")
+            PowerManager.PARTIAL_WAKE_LOCK, "${javaClass.name}:WakeLock"
+        )
         wakeLock.acquire()
-        executor = Executors.newSingleThreadExecutor()
     }
 
-    /**
+    override fun stopService(name: Intent?): Boolean {
-     * Method called when the service is destroyed. It destroys the running subscription and
+        destroyJob()
-     * releases the wake lock.
+        return super.stopService(name)
-     */
+    }
+
     override fun onDestroy() {
-        subscription?.unsubscribe()
+        destroyJob()
-        executor.shutdown() // must be called after unsubscribe
+        super.onDestroy()
+    }
+
+    private fun destroyJob() {
+        job?.cancel()
         if (wakeLock.isHeld) {
             wakeLock.release()
         }
-        super.onDestroy()
     }
 
     /**
      * This method needs to be implemented, but it's not used/needed.
      */
-    override fun onBind(intent: Intent): IBinder? {
+    override fun onBind(intent: Intent): IBinder? = null
-        return null
-    }
 
     /**
      * Method called when the service receives an intent.
@@ -155,35 +164,38 @@ class BackupRestoreService : Service() {
      * @return the start value of the command.
      */
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
-        if (intent == null) return Service.START_NOT_STICKY
+        val uri = intent?.getParcelableExtra<Uri>(BackupConst.EXTRA_URI) ?: return START_NOT_STICKY
 
-        val uri = intent.getParcelableExtra<Uri>(BackupConst.EXTRA_URI)
+        // Cancel any previous job if needed.
+        job?.cancel()
+        val handler = CoroutineExceptionHandler { _, exception ->
+            Timber.e(exception)
+            writeErrorLog()
 
-        // Unsubscribe from any previous subscription if needed.
+            notifier.showRestoreError(exception.message)
-        subscription?.unsubscribe()
 
-        subscription = Observable.using(
+            stopSelf(startId)
-                { db.lowLevel().beginTransaction() },
+        }
-                { getRestoreObservable(uri).doOnNext{ db.lowLevel().setTransactionSuccessful() } },
+        job = GlobalScope.launch(handler) {
-                { executor.execute { db.lowLevel().endTransaction() } })
+            restoreBackup(uri)
-                .doAfterTerminate { stopSelf(startId) }
+        }
-                .subscribeOn(Schedulers.from(executor))
+        job?.invokeOnCompletion {
-                .subscribe()
+            stopSelf(startId)
+        }
 
-        return Service.START_NOT_STICKY
+        return START_NOT_STICKY
     }
 
     /**
-     * Returns an [Observable] containing restore process.
+     * Restores data from backup file.
      *
-     * @param uri restore file
+     * @param uri backup file to restore
-     * @return [Observable<Manga>]
      */
-    private fun getRestoreObservable(uri: Uri): Observable<List<Manga>> {
+    private fun restoreBackup(uri: Uri) {
         val startTime = System.currentTimeMillis()
 
-        val reader = JsonReader(contentResolver.openInputStream(uri).bufferedReader())
+        val reader = JsonReader(contentResolver.openInputStream(uri)!!.bufferedReader())
-        val json = JsonParser().parse(reader).asJsonObject
+        val json = JsonParser.parseReader(reader).asJsonObject
 
         // Get parser version
         val version = json.get(VERSION)?.asInt ?: 1
@@ -198,79 +210,63 @@ class BackupRestoreService : Service() {
         errors.clear()
 
         // Restore categories
-        json.get(CATEGORIES)?.let {
+        restoreCategories(json.get(CATEGORIES))
-            backupManager.restoreCategories(it.asJsonArray)
+
-            restoreProgress += 1
+        // Restore individual manga
-            showRestoreProgress(restoreProgress, restoreAmount, "Categories added", errors.size)
+        mangasJson.forEach {
+            restoreManga(it.asJsonObject)
         }
 
-        return Observable.from(mangasJson)
-                .concatMap {
-                    val obj = it.asJsonObject
-                    val manga = backupManager.parser.fromJson<MangaImpl>(obj.get(MANGA))
-                    val chapters = backupManager.parser.fromJson<List<ChapterImpl>>(obj.get(CHAPTERS) ?: JsonArray())
-                    val categories = backupManager.parser.fromJson<List<String>>(obj.get(CATEGORIES) ?: JsonArray())
-                    val history = backupManager.parser.fromJson<List<DHistory>>(obj.get(HISTORY) ?: JsonArray())
-                    val tracks = backupManager.parser.fromJson<List<TrackImpl>>(obj.get(TRACK) ?: JsonArray())
-
-                    val observable = getMangaRestoreObservable(manga, chapters, categories, history, tracks)
-                    if (observable != null) {
-                        observable
-                    } else {
-                        errors.add(Date() to "${manga.title} - ${getString(R.string.source_not_found)}")
-                        restoreProgress += 1
-                        val content = getString(R.string.dialog_restoring_source_not_found, manga.title.chop(15))
-                        showRestoreProgress(restoreProgress, restoreAmount, manga.title, errors.size, content)
-                        Observable.just(manga)
-                    }
-                }
-                .toList()
-                .doOnNext {
         val endTime = System.currentTimeMillis()
         val time = endTime - startTime
+
         val logFile = writeErrorLog()
-                    val completeIntent = Intent(BackupConst.INTENT_FILTER).apply {
-                        putExtra(BackupConst.EXTRA_TIME, time)
-                        putExtra(BackupConst.EXTRA_ERRORS, errors.size)
-                        putExtra(BackupConst.EXTRA_ERROR_FILE_PATH, logFile.parent)
-                        putExtra(BackupConst.EXTRA_ERROR_FILE, logFile.name)
-                        putExtra(BackupConst.ACTION, BackupConst.ACTION_RESTORE_COMPLETED_DIALOG)
-                    }
-                    sendLocalBroadcast(completeIntent)
 
-                }
+        notifier.showRestoreComplete(time, errors.size, logFile.parent, logFile.name)
-                .doOnError { error ->
+    }
-                    Timber.e(error)
+
-                    writeErrorLog()
+    private fun restoreCategories(categoriesJson: JsonElement) {
-                    val errorIntent = Intent(BackupConst.INTENT_FILTER).apply {
+        db.inTransaction {
-                        putExtra(BackupConst.ACTION, BackupConst.ACTION_ERROR_RESTORE_DIALOG)
+            backupManager.restoreCategories(categoriesJson.asJsonArray)
-                        putExtra(BackupConst.EXTRA_ERROR_MESSAGE, error.message)
+
-                    }
+            restoreProgress += 1
-                    sendLocalBroadcast(errorIntent)
+            showRestoreProgress(restoreProgress, restoreAmount, getString(R.string.categories))
-                }
+        }
-                .onErrorReturn { emptyList() }
+    }
+
+    private fun restoreManga(mangaJson: JsonObject) {
+        db.inTransaction {
+            val 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()
+            )
+
+            if (job?.isActive != true) {
+                throw Exception(getString(R.string.restoring_backup_canceled))
             }
 
-    /**
-     * Write errors to error log
-     */
-    private fun writeErrorLog(): File {
             try {
-            if (errors.isNotEmpty()) {
+                restoreMangaData(manga, chapters, categories, history, tracks)
-                val destFile = File(externalCacheDir, "tachiyomi_restore.log")
-                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)}] $message\n")
-                    }
-                }
-                return destFile
-            }
             } catch (e: Exception) {
-            // Empty
+                errors.add(Date() to "${manga.title} - ${getString(R.string.source_not_found)}")
+            }
+
+            restoreProgress += 1
+            showRestoreProgress(restoreProgress, restoreAmount, manga.title)
         }
-        return File("")
     }
 
     /**
@@ -281,23 +277,26 @@ class BackupRestoreService : Service() {
      * @param categories categories data from json
      * @param history history data from json
      * @param tracks tracking data from json
-     * @return [Observable] containing manga restore information
      */
-    private fun getMangaRestoreObservable(manga: Manga, chapters: List<Chapter>,
+    private fun restoreMangaData(
-                                          categories: List<String>, history: List<DHistory>,
+        manga: Manga,
-                                          tracks: List<Track>): Observable<Manga>? {
+        chapters: List<Chapter>,
+        categories: List<String>,
+        history: List<DHistory>,
+        tracks: List<Track>
+    ) {
         // Get source
-        val source = backupManager.sourceManager.get(manga.source) ?: return null
+        val source = backupManager.sourceManager.getOrStub(manga.source)
         val dbManga = backupManager.getMangaFromDatabase(manga)
 
         if (dbManga == null) {
             // Manga not in database
-            return mangaFetchObservable(source, manga, chapters, categories, history, tracks)
+            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
-            return mangaNoFetchObservable(source, manga, chapters, categories, history, tracks)
+            restoreMangaNoFetch(source, manga, chapters, categories, history, tracks)
         }
     }
 
@@ -308,41 +307,43 @@ class BackupRestoreService : Service() {
      * @param chapters chapters of manga that needs updating
      * @param categories categories that need updating
      */
-    private fun mangaFetchObservable(source: Source, manga: Manga, chapters: List<Chapter>,
+    private fun restoreMangaFetch(
-                                     categories: List<String>, history: List<DHistory>,
+        source: Source,
-                                     tracks: List<Track>): Observable<Manga> {
+        manga: Manga,
-        return backupManager.restoreMangaFetchObservable(source, 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 { manga ->
+            .flatMap {
-                    chapterFetchObservable(source, manga, chapters)
+                chapterFetchObservable(source, it, chapters)
                     // Convert to the manga that contains new chapters.
                     .map { manga }
             }
             .doOnNext {
-                    // Restore categories
+                restoreExtraForManga(it, categories, history, tracks)
-                    backupManager.restoreCategoriesForManga(it, categories)
-
-                    // Restore history
-                    backupManager.restoreHistoryForManga(history)
-
-                    // Restore tracking
-                    backupManager.restoreTrackForManga(it, tracks)
             }
-                .doOnCompleted {
+            .flatMap {
-                    restoreProgress += 1
+                trackingFetchObservable(it, tracks)
-                    showRestoreProgress(restoreProgress, restoreAmount, manga.title, errors.size)
             }
+            .subscribe()
     }
 
-    private fun mangaNoFetchObservable(source: Source, backupManga: Manga, chapters: List<Chapter>,
+    private fun restoreMangaNoFetch(
-                                       categories: List<String>, history: List<DHistory>,
+        source: Source,
-                                       tracks: List<Track>): Observable<Manga> {
+        backupManga: Manga,
-
+        chapters: List<Chapter>,
-        return Observable.just(backupManga)
+        categories: List<String>,
+        history: List<DHistory>,
+        tracks: List<Track>
+    ) {
+        Observable.just(backupManga)
             .flatMap { manga ->
                 if (!backupManager.restoreChaptersForManga(manga, chapters)) {
                     chapterFetchObservable(source, manga, chapters)
@@ -352,19 +353,23 @@ class BackupRestoreService : Service() {
                 }
             }
             .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(it, categories)
+        backupManager.restoreCategoriesForManga(manga, categories)
 
         // Restore history
         backupManager.restoreHistoryForManga(history)
 
         // Restore tracking
-                    backupManager.restoreTrackForManga(it, tracks)
+        backupManager.restoreTrackForManga(manga, tracks)
-                }
-                .doOnCompleted {
-                    restoreProgress += 1
-                    showRestoreProgress(restoreProgress, restoreAmount, backupManga.title, errors.size)
-                }
     }
 
     /**
@@ -379,10 +384,33 @@ class BackupRestoreService : Service() {
             // If there's any error, return empty update and continue.
             .onErrorReturn {
                 errors.add(Date() to "${manga.title} - ${it.message}")
-                    Pair(emptyList<Chapter>(), emptyList<Chapter>())
+                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)
+            .concatMap { 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} - ${service?.name} not logged in")
+                    Observable.empty()
+                }
+            }
+    }
 
     /**
      * Called to update dialog in [BackupConst]
@@ -391,16 +419,33 @@ class BackupRestoreService : Service() {
      * @param amount total restoreAmount of manga
      * @param title title of restored manga
      */
-    private fun showRestoreProgress(progress: Int, amount: Int, title: String, errors: Int,
+    private fun showRestoreProgress(
-                                    content: String = getString(R.string.dialog_restoring_backup, title.chop(15))) {
+        progress: Int,
-        val intent = Intent(BackupConst.INTENT_FILTER).apply {
+        amount: Int,
-            putExtra(BackupConst.EXTRA_PROGRESS, progress)
+        title: String
-            putExtra(BackupConst.EXTRA_AMOUNT, amount)
+    ) {
-            putExtra(BackupConst.EXTRA_CONTENT, content)
+        notifier.showRestoreProgress(title, progress, amount)
-            putExtra(BackupConst.EXTRA_ERRORS, errors)
-            putExtra(BackupConst.ACTION, BackupConst.ACTION_SET_PROGRESS_DIALOG)
-        }
-        sendLocalBroadcast(intent)
     }
 
+    /**
+     * 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/models/Backup.kt

@@ -1,7 +1,8 @@
 package eu.kanade.tachiyomi.data.backup.models
 
 import java.text.SimpleDateFormat
-import java.util.*
+import java.util.Date
+import java.util.Locale
 
 /**
  * Json values
@@ -13,6 +14,7 @@ object Backup {
     const val TRACK = "track"
     const val CHAPTERS = "chapters"
     const val CATEGORIES = "categories"
+    const val EXTENSIONS = "extensions"
     const val HISTORY = "history"
     const val VERSION = "version"
 

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

@@ -43,9 +43,7 @@ object ChapterTypeAdapter {
                 beginObject()
                 while (hasNext()) {
                     if (peek() == JsonToken.NAME) {
-                        val name = nextName()
+                        when (nextName()) {
-
-                        when (name) {
                             URL -> chapter.url = nextString()
                             READ -> chapter.read = nextInt() == 1
                             BOOKMARK -> chapter.bookmark = nextInt() == 1

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

@@ -11,9 +11,11 @@ import eu.kanade.tachiyomi.data.database.models.TrackImpl
 object TrackTypeAdapter {
 
     private const val SYNC = "s"
-    private const val REMOTE = "r"
+    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 {
@@ -23,10 +25,14 @@ object TrackTypeAdapter {
                 value(it.title)
                 name(SYNC)
                 value(it.sync_id)
-                name(REMOTE)
+                name(MEDIA)
-                value(it.remote_id)
+                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()
             }
 
@@ -35,13 +41,13 @@ object TrackTypeAdapter {
                 beginObject()
                 while (hasNext()) {
                     if (peek() == JsonToken.NAME) {
-                        val name = nextName()
+                        when (nextName()) {
-
-                        when (name) {
                             TITLE -> track.title = nextString()
                             SYNC -> track.sync_id = nextInt()
-                            REMOTE -> track.remote_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()
                         }
                     }
                 }

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

@@ -7,14 +7,15 @@ import com.google.gson.Gson
 import com.jakewharton.disklrucache.DiskLruCache
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.source.model.Page
-import eu.kanade.tachiyomi.util.DiskUtil
+import eu.kanade.tachiyomi.util.storage.DiskUtil
-import eu.kanade.tachiyomi.util.saveTo
+import eu.kanade.tachiyomi.util.storage.saveTo
-import okhttp3.Response
-import okio.Okio
-import rx.Observable
-import uy.kohesive.injekt.injectLazy
 import java.io.File
 import java.io.IOException
+import okhttp3.Response
+import okio.buffer
+import okio.sink
+import rx.Observable
+import uy.kohesive.injekt.injectLazy
 
 /**
  * Class used to create chapter cache
@@ -38,7 +39,7 @@ class ChapterCache(private val context: Context) {
         const val PARAMETER_VALUE_COUNT = 1
 
         /** The maximum number of bytes this cache should use to store.  */
-        const val PARAMETER_CACHE_SIZE = 75L * 1024 * 1024
+        const val PARAMETER_CACHE_SIZE = 100L * 1024 * 1024
     }
 
     /** Google Json class used for parsing JSON files.  */
@@ -46,10 +47,11 @@ class ChapterCache(private val context: Context) {
 
     /** Cache class used for cache management.  */
     private val diskCache = DiskLruCache.open(
-            File(context.externalCacheDir, PARAMETER_CACHE_DIRECTORY),
+        File(context.cacheDir, PARAMETER_CACHE_DIRECTORY),
         PARAMETER_APP_VERSION,
         PARAMETER_VALUE_COUNT,
-            PARAMETER_CACHE_SIZE)
+        PARAMETER_CACHE_SIZE
+    )
 
     /**
      * Returns directory of cache.
@@ -77,16 +79,17 @@ class ChapterCache(private val context: Context) {
      */
     fun removeFileFromCache(file: String): Boolean {
         // Make sure we don't delete the journal file (keeps track of cache).
-        if (file == "journal" || file.startsWith("journal."))
+        if (file == "journal" || file.startsWith("journal.")) {
             return false
+        }
 
-        try {
+        return try {
             // Remove the extension from the file to get the key of the cache
-            val key = file.substring(0, file.lastIndexOf("."))
+            val key = file.substringBeforeLast(".")
             // Remove file from cache.
-            return diskCache.remove(key)
+            diskCache.remove(key)
-        } catch (e: IOException) {
+        } catch (e: Exception) {
-            return false
+            false
         }
     }
 
@@ -127,7 +130,7 @@ class ChapterCache(private val context: Context) {
             editor = diskCache.edit(key) ?: return
 
             // Write chapter urls to cache.
-            Okio.buffer(Okio.sink(editor.newOutputStream(0))).use {
+            editor.newOutputStream(0).sink().buffer().use {
                 it.write(cachedValue.toByteArray())
                 it.flush()
             }
@@ -135,7 +138,6 @@ class ChapterCache(private val context: Context) {
             diskCache.flush()
             editor.commit()
             editor.abortUnlessCommitted()
-
         } catch (e: Exception) {
             // Ignore.
         } finally {
@@ -150,10 +152,10 @@ class ChapterCache(private val context: Context) {
      * @return true if in cache otherwise false.
      */
     fun isImageInCache(imageUrl: String): Boolean {
-        try {
+        return try {
-            return diskCache.get(DiskUtil.hashKeyForDisk(imageUrl)) != null
+            diskCache.get(DiskUtil.hashKeyForDisk(imageUrl)) != null
         } catch (e: IOException) {
-            return false
+            false
         }
     }
 
@@ -187,12 +189,12 @@ class ChapterCache(private val context: Context) {
             editor = diskCache.edit(key) ?: throw IOException("Unable to edit key")
 
             // Get OutputStream and write image with Okio.
-            response.body()!!.source().saveTo(editor.newOutputStream(0))
+            response.body!!.source().saveTo(editor.newOutputStream(0))
 
             diskCache.flush()
             editor.commit()
         } finally {
-            response.body()?.close()
+            response.body?.close()
             editor?.abortUnlessCommitted()
         }
     }
@@ -201,4 +203,3 @@ class ChapterCache(private val context: Context) {
         return "${chapter.manga_id}${chapter.url}"
     }
 }
-

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

@@ -1,7 +1,7 @@
 package eu.kanade.tachiyomi.data.cache
 
 import android.content.Context
-import eu.kanade.tachiyomi.util.DiskUtil
+import eu.kanade.tachiyomi.util.storage.DiskUtil
 import java.io.File
 import java.io.IOException
 import java.io.InputStream
@@ -21,6 +21,7 @@ class CoverCache(private val context: Context) {
      * Cache directory used for cache management.
      */
     private val cacheDir = context.getExternalFilesDir("covers")
+        ?: File(context.filesDir, "covers").also { it.mkdirs() }
 
     /**
      * Returns the cover from cache.
@@ -55,12 +56,12 @@ class CoverCache(private val context: Context) {
      */
     fun deleteFromCache(thumbnailUrl: String?): Boolean {
         // Check if url is empty.
-        if (thumbnailUrl.isNullOrEmpty())
+        if (thumbnailUrl.isNullOrEmpty()) {
             return false
+        }
 
         // Remove file.
-        val file = getCoverFile(thumbnailUrl!!)
+        val file = getCoverFile(thumbnailUrl)
         return file.exists() && file.delete()
     }
-
 }

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

@@ -1,19 +1,41 @@
 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.*
+import eu.kanade.tachiyomi.data.database.mappers.CategoryTypeMapping
-import eu.kanade.tachiyomi.data.database.models.*
+import eu.kanade.tachiyomi.data.database.mappers.ChapterTypeMapping
-import eu.kanade.tachiyomi.data.database.queries.*
+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 io.requery.android.database.sqlite.RequerySQLiteOpenHelperFactory
 
 /**
  * This class provides operations to manage the database through its interfaces.
  */
-open class DatabaseHelper(context: Context)
+open class DatabaseHelper(context: Context) :
-: MangaQueries, ChapterQueries, TrackQueries, CategoryQueries, MangaCategoryQueries, HistoryQueries {
+    MangaQueries, ChapterQueries, TrackQueries, CategoryQueries, MangaCategoryQueries, HistoryQueries {
+
+    private val configuration = SupportSQLiteOpenHelper.Configuration.builder(context)
+        .name(DbOpenCallback.DATABASE_NAME)
+        .callback(DbOpenCallback())
+        .build()
 
     override val db = DefaultStorIOSQLite.builder()
-            .sqliteOpenHelper(DbOpenHelper(context))
+        .sqliteOpenHelper(RequerySQLiteOpenHelperFactory().create(configuration))
         .addTypeMapping(Manga::class.java, MangaTypeMapping())
         .addTypeMapping(Chapter::class.java, ChapterTypeMapping())
         .addTypeMapping(Track::class.java, TrackTypeMapping())
@@ -23,7 +45,4 @@ open class DatabaseHelper(context: Context)
         .build()
 
     inline fun inTransaction(block: () -> Unit) = db.inTransaction(block)
-
-    fun lowLevel() = db.lowLevel()
-
 }

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

@@ -22,4 +22,3 @@ inline fun <T> StorIOSQLite.inTransactionReturn(block: () -> T): T {
         lowLevel().endTransaction()
     }
 }
-

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

@@ -0,0 +1,83 @@
+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.TrackTable
+
+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 = 9
+    }
+
+    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)
+
+        // DB indexes
+        execSQL(MangaTable.createUrlIndexQuery)
+        execSQL(MangaTable.createLibraryIndexQuery)
+        execSQL(ChapterTable.createMangaIdIndexQuery)
+        execSQL(ChapterTable.createUnreadChaptersIndexQuery)
+        execSQL(HistoryTable.createChapterIdIndexQuery)
+    }
+
+    override fun onUpgrade(db: SupportSQLiteDatabase, oldVersion: Int, newVersion: Int) {
+        if (oldVersion < 2) {
+            db.execSQL(ChapterTable.sourceOrderUpdateQuery)
+
+            // Fix kissmanga covers after supporting cloudflare
+            db.execSQL(
+                """UPDATE mangas SET thumbnail_url =
+                    REPLACE(thumbnail_url, '93.174.95.110', 'kissmanga.com') WHERE source = 4"""
+            )
+        }
+        if (oldVersion < 3) {
+            // Initialize history tables
+            db.execSQL(HistoryTable.createTableQuery)
+            db.execSQL(HistoryTable.createChapterIdIndexQuery)
+        }
+        if (oldVersion < 4) {
+            db.execSQL(ChapterTable.bookmarkUpdateQuery)
+        }
+        if (oldVersion < 5) {
+            db.execSQL(ChapterTable.addScanlator)
+        }
+        if (oldVersion < 6) {
+            db.execSQL(TrackTable.addTrackingUrl)
+        }
+        if (oldVersion < 7) {
+            db.execSQL(TrackTable.addLibraryId)
+        }
+        if (oldVersion < 8) {
+            db.execSQL("DROP INDEX IF EXISTS mangas_favorite_index")
+            db.execSQL(MangaTable.createLibraryIndexQuery)
+            db.execSQL(ChapterTable.createUnreadChaptersIndexQuery)
+        }
+        if (oldVersion < 9) {
+            db.execSQL(TrackTable.addStartDate)
+            db.execSQL(TrackTable.addFinishDate)
+        }
+    }
+
+    override fun onConfigure(db: SupportSQLiteDatabase) {
+        db.setForeignKeyConstraintsEnabled(true)
+    }
+}

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

@@ -1,60 +0,0 @@
-package eu.kanade.tachiyomi.data.database
-
-import android.content.Context
-import android.database.sqlite.SQLiteDatabase
-import android.database.sqlite.SQLiteOpenHelper
-import eu.kanade.tachiyomi.data.database.tables.*
-
-class DbOpenHelper(context: Context)
-: SQLiteOpenHelper(context, DATABASE_NAME, null, DATABASE_VERSION) {
-
-    companion object {
-        /**
-         * Name of the database file.
-         */
-        const val DATABASE_NAME = "tachiyomi.db"
-
-        /**
-         * Version of the database.
-         */
-        const val DATABASE_VERSION = 4
-    }
-
-    override fun onCreate(db: SQLiteDatabase) = with(db) {
-        execSQL(MangaTable.createTableQuery)
-        execSQL(ChapterTable.createTableQuery)
-        execSQL(TrackTable.createTableQuery)
-        execSQL(CategoryTable.createTableQuery)
-        execSQL(MangaCategoryTable.createTableQuery)
-        execSQL(HistoryTable.createTableQuery)
-
-        // DB indexes
-        execSQL(MangaTable.createUrlIndexQuery)
-        execSQL(MangaTable.createFavoriteIndexQuery)
-        execSQL(ChapterTable.createMangaIdIndexQuery)
-        execSQL(HistoryTable.createChapterIdIndexQuery)
-    }
-
-    override fun onUpgrade(db: SQLiteDatabase, oldVersion: Int, newVersion: Int) {
-        if (oldVersion < 2) {
-            db.execSQL(ChapterTable.sourceOrderUpdateQuery)
-
-            // Fix kissmanga covers after supporting cloudflare
-            db.execSQL("""UPDATE mangas SET thumbnail_url =
-                    REPLACE(thumbnail_url, '93.174.95.110', 'kissmanga.com') WHERE source = 4""")
-        }
-        if (oldVersion < 3) {
-            // Initialize history tables
-            db.execSQL(HistoryTable.createTableQuery)
-            db.execSQL(HistoryTable.createChapterIdIndexQuery)
-        }
-        if (oldVersion < 4) {
-            db.execSQL(ChapterTable.bookmarkUpdateQuery)
-        }
-    }
-
-    override fun onConfigure(db: SQLiteDatabase) {
-        db.setForeignKeyConstraintsEnabled(true)
-    }
-
-}

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

@@ -5,5 +5,4 @@ import com.pushtorefresh.storio.sqlite.impl.DefaultStorIOSQLite
 interface DbProvider {
 
     val db: DefaultStorIOSQLite
-
 }

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

@@ -20,6 +20,7 @@ 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
@@ -48,6 +49,7 @@ class ChapterPutResolver : DefaultPutResolver<Chapter>() {
         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)
@@ -64,6 +66,7 @@ class ChapterGetResolver : DefaultGetResolver<Chapter>() {
         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))
@@ -82,4 +85,3 @@ class ChapterDeleteResolver : DefaultDeleteResolver<Chapter>() {
         .whereArgs(obj.id)
         .build()
 }
-

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

@@ -65,9 +65,8 @@ class MangaPutResolver : DefaultPutResolver<Manga>() {
     }
 }
 
-open class MangaGetResolver : DefaultGetResolver<Manga>() {
+interface BaseMangaGetResolver {
-
+    fun mapBaseFromCursor(manga: Manga, cursor: Cursor) = manga.apply {
-    override fun mapFromCursor(cursor: Cursor): Manga = MangaImpl().apply {
         id = cursor.getLong(cursor.getColumnIndex(COL_ID))
         source = cursor.getLong(cursor.getColumnIndex(COL_SOURCE))
         url = cursor.getString(cursor.getColumnIndex(COL_URL))
@@ -86,6 +85,13 @@ open class MangaGetResolver : DefaultGetResolver<Manga>() {
     }
 }
 
+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()

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

@@ -11,15 +11,19 @@ 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_REMOTE_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>(
@@ -40,16 +44,20 @@ class TrackPutResolver : DefaultPutResolver<Track>() {
         .whereArgs(obj.id)
         .build()
 
-    override fun mapToContentValues(obj: Track) = ContentValues(9).apply {
+    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_REMOTE_ID, obj.remote_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)
     }
 }
 
@@ -59,12 +67,16 @@ class TrackGetResolver : DefaultGetResolver<Track>() {
         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))
-        remote_id = cursor.getInt(cursor.getColumnIndex(COL_REMOTE_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))
     }
 }
 

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

@@ -23,5 +23,4 @@ interface Category : Serializable {
 
         fun createDefault(): Category = create("Default").apply { id = 0 }
     }
-
 }

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

@@ -22,5 +22,4 @@ class CategoryImpl : Category {
     override fun hashCode(): Int {
         return name.hashCode()
     }
-
 }

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

@@ -10,6 +10,8 @@ class ChapterImpl : Chapter {
 
     override lateinit var name: String
 
+    override var scanlator: String? = null
+
     override var read: Boolean = false
 
     override var bookmark: Boolean = false
@@ -29,13 +31,10 @@ class ChapterImpl : Chapter {
         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/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.kt

@@ -16,10 +16,6 @@ interface Manga : SManga {
 
     var chapter_flags: Int
 
-    var unread: Int
-
-    var category: Int
-
     fun setChapterOrder(order: Int) {
         setFlags(order, SORT_MASK)
     }
@@ -32,6 +28,10 @@ interface Manga : SManga {
         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
@@ -92,5 +92,4 @@ interface Manga : SManga {
             this.source = source
         }
     }
-
 }

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

@@ -17,5 +17,4 @@ class MangaCategory {
             return mc
         }
     }
-
 }

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

@@ -1,6 +1,6 @@
 package eu.kanade.tachiyomi.data.database.models
 
-class MangaImpl : Manga {
+open class MangaImpl : Manga {
 
     override var id: Long? = null
 
@@ -32,10 +32,6 @@ class MangaImpl : Manga {
 
     override var chapter_flags: Int = 0
 
-    @Transient override var unread: Int = 0
-
-    @Transient override var category: Int = 0
-
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (other == null || javaClass != other.javaClass) return false
@@ -43,11 +39,9 @@ class MangaImpl : Manga {
         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/Track.kt

@@ -10,7 +10,9 @@ interface Track : Serializable {
 
     var sync_id: Int
 
-    var remote_id: Int
+    var media_id: Int
+
+    var library_id: Long?
 
     var title: String
 
@@ -22,17 +24,23 @@ interface Track : Serializable {
 
     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

@@ -8,7 +8,9 @@ class TrackImpl : Track {
 
     override var sync_id: Int = 0
 
-    override var remote_id: Int = 0
+    override var media_id: Int = 0
+
+    override var library_id: Long? = null
 
     override lateinit var title: String
 
@@ -20,6 +22,12 @@ class TrackImpl : Track {
 
     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
@@ -28,14 +36,13 @@ class TrackImpl : Track {
 
         if (manga_id != other.manga_id) return false
         if (sync_id != other.sync_id) return false
-        return remote_id == other.remote_id
+        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 + remote_id
+        result = 31 * result + media_id
         return result
     }
-
 }

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

@@ -11,18 +11,22 @@ interface CategoryQueries : DbProvider {
 
     fun getCategories() = db.get()
         .listOfObjects(Category::class.java)
-            .withQuery(Query.builder()
+        .withQuery(
+            Query.builder()
                 .table(CategoryTable.TABLE)
                 .orderBy(CategoryTable.COL_ORDER)
-                    .build())
+                .build()
+        )
         .prepare()
 
     fun getCategoriesForManga(manga: Manga) = db.get()
         .listOfObjects(Category::class.java)
-            .withQuery(RawQuery.builder()
+        .withQuery(
+            RawQuery.builder()
                 .query(getCategoriesForMangaQuery())
                 .args(manga.id)
-                    .build())
+                .build()
+        )
         .prepare()
 
     fun insertCategory(category: Category) = db.put().`object`(category).prepare()
@@ -32,5 +36,4 @@ interface CategoryQueries : DbProvider {
     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

@@ -11,47 +11,65 @@ 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.*
+import java.util.Date
 
 interface ChapterQueries : DbProvider {
 
     fun getChapters(manga: Manga) = db.get()
         .listOfObjects(Chapter::class.java)
-            .withQuery(Query.builder()
+        .withQuery(
+            Query.builder()
                 .table(ChapterTable.TABLE)
                 .where("${ChapterTable.COL_MANGA_ID} = ?")
                 .whereArgs(manga.id)
-                    .build())
+                .build()
+        )
         .prepare()
 
     fun getRecentChapters(date: Date) = db.get()
         .listOfObjects(MangaChapter::class.java)
-            .withQuery(RawQuery.builder()
+        .withQuery(
+            RawQuery.builder()
                 .query(getRecentsQuery())
                 .args(date.time)
                 .observesTables(ChapterTable.TABLE)
-                    .build())
+                .build()
+        )
         .withGetResolver(MangaChapterGetResolver.INSTANCE)
         .prepare()
 
     fun getChapter(id: Long) = db.get()
         .`object`(Chapter::class.java)
-            .withQuery(Query.builder()
+        .withQuery(
+            Query.builder()
                 .table(ChapterTable.TABLE)
                 .where("${ChapterTable.COL_ID} = ?")
                 .whereArgs(id)
-                    .build())
+                .build()
+        )
         .prepare()
 
     fun getChapter(url: String) = db.get()
         .`object`(Chapter::class.java)
-            .withQuery(Query.builder()
+        .withQuery(
+            Query.builder()
                 .table(ChapterTable.TABLE)
                 .where("${ChapterTable.COL_URL} = ?")
                 .whereArgs(url)
-                    .build())
+                .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 insertChapter(chapter: Chapter) = db.put().`object`(chapter).prepare()
 
@@ -80,5 +98,4 @@ interface ChapterQueries : DbProvider {
         .objects(chapters)
         .withPutResolver(ChapterSourceOrderPutResolver())
         .prepare()
-
 }

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

@@ -8,7 +8,7 @@ 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.*
+import java.util.Date
 
 interface HistoryQueries : DbProvider {
 
@@ -24,30 +24,36 @@ interface HistoryQueries : DbProvider {
      */
     fun getRecentManga(date: Date) = db.get()
         .listOfObjects(MangaChapterHistory::class.java)
-            .withQuery(RawQuery.builder()
+        .withQuery(
+            RawQuery.builder()
                 .query(getRecentMangasQuery())
                 .args(date.time)
                 .observesTables(HistoryTable.TABLE)
-                    .build())
+                .build()
+        )
         .withGetResolver(MangaChapterHistoryGetResolver.INSTANCE)
         .prepare()
 
     fun getHistoryByMangaId(mangaId: Long) = db.get()
         .listOfObjects(History::class.java)
-            .withQuery(RawQuery.builder()
+        .withQuery(
+            RawQuery.builder()
                 .query(getHistoryByMangaId())
                 .args(mangaId)
                 .observesTables(HistoryTable.TABLE)
-                    .build())
+                .build()
+        )
         .prepare()
 
     fun getHistoryByChapterUrl(chapterUrl: String) = db.get()
         .`object`(History::class.java)
-            .withQuery(RawQuery.builder()
+        .withQuery(
+            RawQuery.builder()
                 .query(getHistoryByChapterUrl())
                 .args(chapterUrl)
                 .observesTables(HistoryTable.TABLE)
-                    .build())
+                .build()
+        )
         .prepare()
 
     /**
@@ -71,16 +77,20 @@ interface HistoryQueries : DbProvider {
         .prepare()
 
     fun deleteHistory() = db.delete()
-            .byQuery(DeleteQuery.builder()
+        .byQuery(
+            DeleteQuery.builder()
                 .table(HistoryTable.TABLE)
-                    .build())
+                .build()
+        )
         .prepare()
 
     fun deleteHistoryNoLastRead() = db.delete()
-            .byQuery(DeleteQuery.builder()
+        .byQuery(
+            DeleteQuery.builder()
                 .table(HistoryTable.TABLE)
                 .where("${HistoryTable.COL_LAST_READ} = ?")
                 .whereArgs(0)
-                    .build())
+                .build()
+        )
         .prepare()
 }

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

@@ -15,11 +15,13 @@ interface MangaCategoryQueries : DbProvider {
     fun insertMangasCategories(mangasCategories: List<MangaCategory>) = db.put().objects(mangasCategories).prepare()
 
     fun deleteOldMangasCategories(mangas: List<Manga>) = db.delete()
-            .byQuery(DeleteQuery.builder()
+        .byQuery(
+            DeleteQuery.builder()
                 .table(MangaCategoryTable.TABLE)
                 .where("${MangaCategoryTable.COL_MANGA_ID} IN (${Queries.placeholders(mangas.size)})")
                 .whereArgs(*mangas.map { it.id }.toTypedArray())
-                    .build())
+                .build()
+        )
         .prepare()
 
     fun setMangaCategories(mangasCategories: List<MangaCategory>, mangas: List<Manga>) {
@@ -28,5 +30,4 @@ interface MangaCategoryQueries : DbProvider {
             insertMangasCategories(mangasCategories).executeAsBlocking()
         }
     }
-
 }

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

@@ -4,10 +4,14 @@ 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.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
@@ -17,46 +21,56 @@ interface MangaQueries : DbProvider {
 
     fun getMangas() = db.get()
         .listOfObjects(Manga::class.java)
-            .withQuery(Query.builder()
+        .withQuery(
+            Query.builder()
                 .table(MangaTable.TABLE)
-                    .build())
+                .build()
+        )
         .prepare()
 
     fun getLibraryMangas() = db.get()
-            .listOfObjects(Manga::class.java)
+        .listOfObjects(LibraryManga::class.java)
-            .withQuery(RawQuery.builder()
+        .withQuery(
+            RawQuery.builder()
                 .query(libraryQuery)
                 .observesTables(MangaTable.TABLE, ChapterTable.TABLE, MangaCategoryTable.TABLE, CategoryTable.TABLE)
-                    .build())
+                .build()
+        )
         .withGetResolver(LibraryMangaGetResolver.INSTANCE)
         .prepare()
 
     fun getFavoriteMangas() = db.get()
         .listOfObjects(Manga::class.java)
-            .withQuery(Query.builder()
+        .withQuery(
+            Query.builder()
                 .table(MangaTable.TABLE)
                 .where("${MangaTable.COL_FAVORITE} = ?")
                 .whereArgs(1)
                 .orderBy(MangaTable.COL_TITLE)
-                    .build())
+                .build()
+        )
         .prepare()
 
     fun getManga(url: String, sourceId: Long) = db.get()
         .`object`(Manga::class.java)
-            .withQuery(Query.builder()
+        .withQuery(
+            Query.builder()
                 .table(MangaTable.TABLE)
                 .where("${MangaTable.COL_URL} = ? AND ${MangaTable.COL_SOURCE} = ?")
                 .whereArgs(url, sourceId)
-                    .build())
+                .build()
+        )
         .prepare()
 
     fun getManga(id: Long) = db.get()
         .`object`(Manga::class.java)
-            .withQuery(Query.builder()
+        .withQuery(
+            Query.builder()
                 .table(MangaTable.TABLE)
                 .where("${MangaTable.COL_ID} = ?")
                 .whereArgs(id)
-                    .build())
+                .build()
+        )
         .prepare()
 
     fun insertManga(manga: Manga) = db.put().`object`(manga).prepare()
@@ -73,32 +87,70 @@ interface MangaQueries : DbProvider {
         .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 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()
+        .byQuery(
+            DeleteQuery.builder()
                 .table(MangaTable.TABLE)
                 .where("${MangaTable.COL_FAVORITE} = ?")
                 .whereArgs(0)
-                    .build())
+                .build()
+        )
         .prepare()
 
     fun deleteMangas() = db.delete()
-            .byQuery(DeleteQuery.builder()
+        .byQuery(
+            DeleteQuery.builder()
                 .table(MangaTable.TABLE)
-                    .build())
+                .build()
+        )
         .prepare()
 
     fun getLastReadManga() = db.get()
         .listOfObjects(Manga::class.java)
-            .withQuery(RawQuery.builder()
+        .withQuery(
+            RawQuery.builder()
                 .query(getLastReadMangaQuery())
                 .observesTables(MangaTable.TABLE)
-                    .build())
+                .build()
+        )
         .prepare()
 
-    fun getTotalChapterManga() = db.get().listOfObjects(Manga::class.java)
+    fun getTotalChapterManga() = db.get()
-            .withQuery(RawQuery.builder().query(getTotalChapterMangaQuery()).observesTables(MangaTable.TABLE).build()).prepare();
+        .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()
 }

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

@@ -9,7 +9,8 @@ import eu.kanade.tachiyomi.data.database.tables.MangaTable as Manga
 /**
  * Query to get the manga from the library, with their categories and unread count.
  */
-val libraryQuery = """
+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}
@@ -33,7 +34,8 @@ val libraryQuery = """
 /**
  * Query to get the recent chapters of manga from the library up to a date.
  */
-fun getRecentsQuery() = """
+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} > ?
@@ -47,7 +49,8 @@ fun getRecentsQuery() = """
  * and are read after the given time period
  * @return return limit is 25
  */
-fun getRecentMangasQuery() = """
+fun getRecentMangasQuery() =
+    """
     SELECT ${Manga.TABLE}.${Manga.COL_URL} as mangaUrl, ${Manga.TABLE}.*, ${Chapter.TABLE}.*, ${History.TABLE}.*
     FROM ${Manga.TABLE}
     JOIN ${Chapter.TABLE}
@@ -65,7 +68,8 @@ fun getRecentMangasQuery() = """
     LIMIT 25
 """
 
-fun getHistoryByMangaId() = """
+fun getHistoryByMangaId() =
+    """
     SELECT ${History.TABLE}.*
     FROM ${History.TABLE}
     JOIN ${Chapter.TABLE}
@@ -73,7 +77,8 @@ fun getHistoryByMangaId() = """
     WHERE ${Chapter.TABLE}.${Chapter.COL_MANGA_ID} = ? AND ${History.TABLE}.${History.COL_CHAPTER_ID} = ${Chapter.TABLE}.${Chapter.COL_ID}
 """
 
-fun getHistoryByChapterUrl() = """
+fun getHistoryByChapterUrl() =
+    """
     SELECT ${History.TABLE}.*
     FROM ${History.TABLE}
     JOIN ${Chapter.TABLE}
@@ -81,7 +86,8 @@ fun getHistoryByChapterUrl() = """
     WHERE ${Chapter.TABLE}.${Chapter.COL_URL} = ? AND ${History.TABLE}.${History.COL_CHAPTER_ID} = ${Chapter.TABLE}.${Chapter.COL_ID}
 """
 
-fun getLastReadMangaQuery() = """
+fun getLastReadMangaQuery() =
+    """
     SELECT ${Manga.TABLE}.*, MAX(${History.TABLE}.${History.COL_LAST_READ}) AS max
     FROM ${Manga.TABLE}
     JOIN ${Chapter.TABLE}
@@ -93,7 +99,8 @@ fun getLastReadMangaQuery() = """
     ORDER BY max DESC
 """
 
-fun getTotalChapterMangaQuery()= """
+fun getTotalChapterMangaQuery() =
+    """
     SELECT ${Manga.TABLE}.*
     FROM ${Manga.TABLE}
     JOIN ${Chapter.TABLE}
@@ -102,10 +109,21 @@ fun getTotalChapterMangaQuery()= """
     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() = """
+fun getCategoriesForMangaQuery() =
+    """
     SELECT ${Category.TABLE}.* FROM ${Category.TABLE}
     JOIN ${MangaCategory.TABLE} ON ${Category.TABLE}.${Category.COL_ID} =
     ${MangaCategory.TABLE}.${MangaCategory.COL_CATEGORY_ID}

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

@@ -12,11 +12,13 @@ interface TrackQueries : DbProvider {
 
     fun getTracks(manga: Manga) = db.get()
         .listOfObjects(Track::class.java)
-            .withQuery(Query.builder()
+        .withQuery(
+            Query.builder()
                 .table(TrackTable.TABLE)
                 .where("${TrackTable.COL_MANGA_ID} = ?")
                 .whereArgs(manga.id)
-                    .build())
+                .build()
+        )
         .prepare()
 
     fun insertTrack(track: Track) = db.put().`object`(track).prepare()
@@ -24,11 +26,12 @@ interface TrackQueries : DbProvider {
     fun insertTracks(tracks: List<Track>) = db.put().objects(tracks).prepare()
 
     fun deleteTrackForManga(manga: Manga, sync: TrackService) = db.delete()
-            .byQuery(DeleteQuery.builder()
+        .byQuery(
+            DeleteQuery.builder()
                 .table(TrackTable.TABLE)
                 .where("${TrackTable.COL_MANGA_ID} = ? AND ${TrackTable.COL_SYNC_ID} = ?")
                 .whereArgs(manga.id, sync.id)
-                    .build())
+                .build()
+        )
         .prepare()
-
 }

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

@@ -30,6 +30,4 @@ class ChapterBackupPutResolver : PutResolver<Chapter>() {
         put(ChapterTable.COL_BOOKMARK, chapter.bookmark)
         put(ChapterTable.COL_LAST_PAGE_READ, chapter.last_page_read)
     }
-
 }
-

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

@@ -30,6 +30,4 @@ class ChapterProgressPutResolver : PutResolver<Chapter>() {
         put(ChapterTable.COL_BOOKMARK, chapter.bookmark)
         put(ChapterTable.COL_LAST_PAGE_READ, chapter.last_page_read)
     }
-
 }
-

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

@@ -28,5 +28,4 @@ class ChapterSourceOrderPutResolver : PutResolver<Chapter>() {
     fun mapToContentValues(chapter: Chapter) = ContentValues(1).apply {
         put(ChapterTable.COL_SOURCE_ORDER, chapter.source_order)
     }
-
 }

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

@@ -1,7 +1,7 @@
 package eu.kanade.tachiyomi.data.database.resolvers
 
 import android.content.ContentValues
-import android.support.annotation.NonNull
+import androidx.annotation.NonNull
 import com.pushtorefresh.storio.sqlite.StorIOSQLite
 import com.pushtorefresh.storio.sqlite.operations.put.PutResult
 import com.pushtorefresh.storio.sqlite.queries.Query
@@ -19,25 +19,25 @@ class HistoryLastReadPutResolver : HistoryPutResolver() {
     override fun performPut(@NonNull db: StorIOSQLite, @NonNull history: History): PutResult = db.inTransactionReturn {
         val updateQuery = mapToUpdateQuery(history)
 
-        val cursor = db.lowLevel().query(Query.builder()
+        val cursor = db.lowLevel().query(
+            Query.builder()
                 .table(updateQuery.table())
                 .where(updateQuery.where())
                 .whereArgs(updateQuery.whereArgs())
-                .build())
+                .build()
+        )
 
         val putResult: PutResult
 
-        try {
+        putResult = cursor.use { putCursor ->
-            if (cursor.count == 0) {
+            if (putCursor.count == 0) {
                 val insertQuery = mapToInsertQuery(history)
                 val insertedId = db.lowLevel().insert(insertQuery, mapToContentValues(history))
-                putResult = PutResult.newInsertResult(insertedId, insertQuery.table())
+                PutResult.newInsertResult(insertedId, insertQuery.table())
             } else {
                 val numberOfRowsUpdated = db.lowLevel().update(updateQuery, mapToUpdateContentValues(history))
-                putResult = PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
+                PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
             }
-        } finally {
-            cursor.close()
         }
 
         putResult
@@ -60,5 +60,4 @@ class HistoryLastReadPutResolver : HistoryPutResolver() {
     fun mapToUpdateContentValues(history: History) = ContentValues(1).apply {
         put(HistoryTable.COL_LAST_READ, history.last_read)
     }
-
 }

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

@@ -1,26 +1,24 @@
 package eu.kanade.tachiyomi.data.database.resolvers
 
 import android.database.Cursor
-import eu.kanade.tachiyomi.data.database.mappers.MangaGetResolver
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
-import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.mappers.BaseMangaGetResolver
+import eu.kanade.tachiyomi.data.database.models.LibraryManga
 import eu.kanade.tachiyomi.data.database.tables.MangaTable
 
-class LibraryMangaGetResolver : MangaGetResolver() {
+class LibraryMangaGetResolver : DefaultGetResolver<LibraryManga>(), BaseMangaGetResolver {
 
     companion object {
         val INSTANCE = LibraryMangaGetResolver()
     }
 
-    override fun mapFromCursor(cursor: Cursor): Manga {
+    override fun mapFromCursor(cursor: Cursor): LibraryManga {
-        val manga = super.mapFromCursor(cursor)
+        val manga = LibraryManga()
 
-        val unreadColumn = cursor.getColumnIndex(MangaTable.COL_UNREAD)
+        mapBaseFromCursor(manga, cursor)
-        manga.unread = cursor.getInt(unreadColumn)
+        manga.unread = cursor.getInt(cursor.getColumnIndex(MangaTable.COL_UNREAD))
-
+        manga.category = cursor.getInt(cursor.getColumnIndex(MangaTable.COL_CATEGORY))
-        val categoryColumn = cursor.getColumnIndex(MangaTable.COL_CATEGORY)
-        manga.category = cursor.getInt(categoryColumn)
 
         return manga
     }
-
 }

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

@@ -24,5 +24,4 @@ class MangaChapterGetResolver : DefaultGetResolver<MangaChapter>() {
 
         return MangaChapter(manga, chapter)
     }
-
 }

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

@@ -0,0 +1,31 @@
+package eu.kanade.tachiyomi.data.database.resolvers
+
+import android.content.ContentValues
+import com.pushtorefresh.storio.sqlite.StorIOSQLite
+import com.pushtorefresh.storio.sqlite.operations.put.PutResolver
+import com.pushtorefresh.storio.sqlite.operations.put.PutResult
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.inTransactionReturn
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.tables.MangaTable
+
+class MangaFavoritePutResolver : PutResolver<Manga>() {
+
+    override fun performPut(db: StorIOSQLite, manga: Manga) = db.inTransactionReturn {
+        val updateQuery = mapToUpdateQuery(manga)
+        val contentValues = mapToContentValues(manga)
+
+        val numberOfRowsUpdated = db.lowLevel().update(updateQuery, contentValues)
+        PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
+    }
+
+    fun mapToUpdateQuery(manga: Manga) = UpdateQuery.builder()
+        .table(MangaTable.TABLE)
+        .where("${MangaTable.COL_ID} = ?")
+        .whereArgs(manga.id)
+        .build()
+
+    fun mapToContentValues(manga: Manga) = ContentValues(1).apply {
+        put(MangaTable.COL_FAVORITE, manga.favorite)
+    }
+}

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

@@ -28,6 +28,4 @@ class MangaFlagsPutResolver : PutResolver<Manga>() {
     fun mapToContentValues(manga: Manga) = ContentValues(1).apply {
         put(MangaTable.COL_CHAPTER_FLAGS, manga.chapter_flags)
     }
-
 }
-

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

@@ -28,6 +28,4 @@ class MangaLastUpdatedPutResolver : PutResolver<Manga>() {
     fun mapToContentValues(manga: Manga) = ContentValues(1).apply {
         put(MangaTable.COL_LAST_UPDATE, manga.last_update)
     }
-
 }
-

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

@@ -0,0 +1,31 @@
+package eu.kanade.tachiyomi.data.database.resolvers
+
+import android.content.ContentValues
+import com.pushtorefresh.storio.sqlite.StorIOSQLite
+import com.pushtorefresh.storio.sqlite.operations.put.PutResolver
+import com.pushtorefresh.storio.sqlite.operations.put.PutResult
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.inTransactionReturn
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.tables.MangaTable
+
+class MangaTitlePutResolver : PutResolver<Manga>() {
+
+    override fun performPut(db: StorIOSQLite, manga: Manga) = db.inTransactionReturn {
+        val updateQuery = mapToUpdateQuery(manga)
+        val contentValues = mapToContentValues(manga)
+
+        val numberOfRowsUpdated = db.lowLevel().update(updateQuery, contentValues)
+        PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
+    }
+
+    fun mapToUpdateQuery(manga: Manga) = UpdateQuery.builder()
+        .table(MangaTable.TABLE)
+        .where("${MangaTable.COL_ID} = ?")
+        .whereArgs(manga.id)
+        .build()
+
+    fun mapToContentValues(manga: Manga) = ContentValues(1).apply {
+        put(MangaTable.COL_TITLE, manga.title)
+    }
+}

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

@@ -0,0 +1,31 @@
+package eu.kanade.tachiyomi.data.database.resolvers
+
+import android.content.ContentValues
+import com.pushtorefresh.storio.sqlite.StorIOSQLite
+import com.pushtorefresh.storio.sqlite.operations.put.PutResolver
+import com.pushtorefresh.storio.sqlite.operations.put.PutResult
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.inTransactionReturn
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.tables.MangaTable
+
+class MangaViewerPutResolver : PutResolver<Manga>() {
+
+    override fun performPut(db: StorIOSQLite, manga: Manga) = db.inTransactionReturn {
+        val updateQuery = mapToUpdateQuery(manga)
+        val contentValues = mapToContentValues(manga)
+
+        val numberOfRowsUpdated = db.lowLevel().update(updateQuery, contentValues)
+        PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
+    }
+
+    fun mapToUpdateQuery(manga: Manga) = UpdateQuery.builder()
+        .table(MangaTable.TABLE)
+        .where("${MangaTable.COL_ID} = ?")
+        .whereArgs(manga.id)
+        .build()
+
+    fun mapToContentValues(manga: Manga) = ContentValues(1).apply {
+        put(MangaTable.COL_VIEWER, manga.viewer)
+    }
+}

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

@@ -13,11 +13,11 @@ object CategoryTable {
     const val COL_FLAGS = "flags"
 
     val createTableQuery: String
-        get() = """CREATE TABLE $TABLE(
+        get() =
+            """CREATE TABLE $TABLE(
             $COL_ID INTEGER NOT NULL PRIMARY KEY,
             $COL_NAME TEXT NOT NULL,
             $COL_ORDER INTEGER NOT NULL,
             $COL_FLAGS INTEGER NOT NULL
             )"""
-
 }

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

@@ -14,6 +14,8 @@ object ChapterTable {
 
     const val COL_READ = "read"
 
+    const val COL_SCANLATOR = "scanlator"
+
     const val COL_BOOKMARK = "bookmark"
 
     const val COL_DATE_FETCH = "date_fetch"
@@ -27,11 +29,13 @@ object ChapterTable {
     const val COL_SOURCE_ORDER = "source_order"
 
     val createTableQuery: String
-        get() = """CREATE TABLE $TABLE(
+        get() =
+            """CREATE TABLE $TABLE(
             $COL_ID INTEGER NOT NULL PRIMARY KEY,
             $COL_MANGA_ID INTEGER NOT NULL,
             $COL_URL TEXT NOT NULL,
             $COL_NAME TEXT NOT NULL,
+            $COL_SCANLATOR TEXT,
             $COL_READ BOOLEAN NOT NULL,
             $COL_BOOKMARK BOOLEAN NOT NULL,
             $COL_LAST_PAGE_READ INT NOT NULL,
@@ -46,10 +50,16 @@ object ChapterTable {
     val createMangaIdIndexQuery: String
         get() = "CREATE INDEX ${TABLE}_${COL_MANGA_ID}_index ON $TABLE($COL_MANGA_ID)"
 
+    val createUnreadChaptersIndexQuery: String
+        get() = "CREATE INDEX ${TABLE}_unread_by_manga_index ON $TABLE($COL_MANGA_ID, $COL_READ) " +
+            "WHERE $COL_READ = 0"
+
     val sourceOrderUpdateQuery: String
         get() = "ALTER TABLE $TABLE ADD COLUMN $COL_SOURCE_ORDER INTEGER DEFAULT 0"
 
     val bookmarkUpdateQuery: String
         get() = "ALTER TABLE $TABLE ADD COLUMN $COL_BOOKMARK BOOLEAN DEFAULT FALSE"
 
+    val addScanlator: String
+        get() = "ALTER TABLE $TABLE ADD COLUMN $COL_SCANLATOR TEXT DEFAULT NULL"
 }

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

@@ -31,7 +31,8 @@ object HistoryTable {
      * query to create history table
      */
     val createTableQuery: String
-        get() = """CREATE TABLE $TABLE(
+        get() =
+            """CREATE TABLE $TABLE(
             $COL_ID INTEGER NOT NULL PRIMARY KEY,
             $COL_CHAPTER_ID INTEGER NOT NULL UNIQUE,
             $COL_LAST_READ LONG,

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

@@ -11,7 +11,8 @@ object MangaCategoryTable {
     const val COL_CATEGORY_ID = "category_id"
 
     val createTableQuery: String
-        get() = """CREATE TABLE $TABLE(
+        get() =
+            """CREATE TABLE $TABLE(
             $COL_ID INTEGER NOT NULL PRIMARY KEY,
             $COL_MANGA_ID INTEGER NOT NULL,
             $COL_CATEGORY_ID INTEGER NOT NULL,
@@ -20,5 +21,4 @@ object MangaCategoryTable {
             FOREIGN KEY($COL_MANGA_ID) REFERENCES ${MangaTable.TABLE} (${MangaTable.COL_ID})
             ON DELETE CASCADE
             )"""
-
 }

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

@@ -39,7 +39,8 @@ object MangaTable {
     const val COL_CATEGORY = "category"
 
     val createTableQuery: String
-        get() = """CREATE TABLE $TABLE(
+        get() =
+            """CREATE TABLE $TABLE(
             $COL_ID INTEGER NOT NULL PRIMARY KEY,
             $COL_SOURCE INTEGER NOT NULL,
             $COL_URL TEXT NOT NULL,
@@ -60,6 +61,7 @@ object MangaTable {
     val createUrlIndexQuery: String
         get() = "CREATE INDEX ${TABLE}_${COL_URL}_index ON $TABLE($COL_URL)"
 
-    val createFavoriteIndexQuery: String
+    val createLibraryIndexQuery: String
-        get() = "CREATE INDEX ${TABLE}_${COL_FAVORITE}_index ON $TABLE($COL_FAVORITE)"
+        get() = "CREATE INDEX library_${COL_FAVORITE}_index ON $TABLE($COL_FAVORITE) " +
+            "WHERE $COL_FAVORITE = 1"
 }

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

@@ -10,7 +10,9 @@ object TrackTable {
 
     const val COL_SYNC_ID = "sync_id"
 
-    const val COL_REMOTE_ID = "remote_id"
+    const val COL_MEDIA_ID = "remote_id"
+
+    const val COL_LIBRARY_ID = "library_id"
 
     const val COL_TITLE = "title"
 
@@ -22,20 +24,42 @@ object TrackTable {
 
     const val COL_TOTAL_CHAPTERS = "total_chapters"
 
+    const val COL_TRACKING_URL = "remote_url"
+
+    const val COL_START_DATE = "start_date"
+
+    const val COL_FINISH_DATE = "finish_date"
+
     val createTableQuery: String
-        get() = """CREATE TABLE $TABLE(
+        get() =
+            """CREATE TABLE $TABLE(
             $COL_ID INTEGER NOT NULL PRIMARY KEY,
             $COL_MANGA_ID INTEGER NOT NULL,
             $COL_SYNC_ID INTEGER NOT NULL,
-            $COL_REMOTE_ID INTEGER NOT NULL,
+            $COL_MEDIA_ID INTEGER NOT NULL,
+            $COL_LIBRARY_ID INTEGER,
             $COL_TITLE TEXT NOT NULL,
             $COL_LAST_CHAPTER_READ INTEGER NOT NULL,
             $COL_TOTAL_CHAPTERS INTEGER NOT NULL,
             $COL_STATUS INTEGER NOT NULL,
             $COL_SCORE FLOAT NOT NULL,
+            $COL_TRACKING_URL TEXT NOT NULL,
+            $COL_START_DATE LONG NOT NULL,
+            $COL_FINISH_DATE LONG NOT NULL,
             UNIQUE ($COL_MANGA_ID, $COL_SYNC_ID) ON CONFLICT REPLACE,
             FOREIGN KEY($COL_MANGA_ID) REFERENCES ${MangaTable.TABLE} (${MangaTable.COL_ID})
             ON DELETE CASCADE
             )"""
 
+    val addTrackingUrl: String
+        get() = "ALTER TABLE $TABLE ADD COLUMN $COL_TRACKING_URL TEXT DEFAULT ''"
+
+    val addLibraryId: String
+        get() = "ALTER TABLE $TABLE ADD COLUMN $COL_LIBRARY_ID INTEGER NULL"
+
+    val addStartDate: String
+        get() = "ALTER TABLE $TABLE ADD COLUMN $COL_START_DATE LONG NOT NULL DEFAULT 0"
+
+    val addFinishDate: String
+        get() = "ALTER TABLE $TABLE ADD COLUMN $COL_FINISH_DATE LONG NOT NULL DEFAULT 0"
 }

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadCache.kt

@@ -0,0 +1,278 @@
+package eu.kanade.tachiyomi.data.download
+
+import android.content.Context
+import android.net.Uri
+import com.hippo.unifile.UniFile
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.source.SourceManager
+import java.util.concurrent.TimeUnit
+import kotlinx.coroutines.flow.onEach
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+/**
+ * Cache where we dump the downloads directory from the filesystem. This class is needed because
+ * directory checking is expensive and it slowdowns the app. The cache is invalidated by the time
+ * defined in [renewInterval] as we don't have any control over the filesystem and the user can
+ * delete the folders at any time without the app noticing.
+ *
+ * @param context the application context.
+ * @param provider the downloads directories provider.
+ * @param sourceManager the source manager.
+ * @param preferences the preferences of the app.
+ */
+class DownloadCache(
+    private val context: Context,
+    private val provider: DownloadProvider,
+    private val sourceManager: SourceManager,
+    private val preferences: PreferencesHelper = Injekt.get()
+) {
+
+    /**
+     * The interval after which this cache should be invalidated. 1 hour shouldn't cause major
+     * issues, as the cache is only used for UI feedback.
+     */
+    private val renewInterval = TimeUnit.HOURS.toMillis(1)
+
+    /**
+     * The last time the cache was refreshed.
+     */
+    private var lastRenew = 0L
+
+    /**
+     * The root directory for downloads.
+     */
+    private var rootDir = RootDirectory(getDirectoryFromPreference())
+
+    init {
+        preferences.downloadsDirectory().asFlow()
+            .onEach {
+                lastRenew = 0L // invalidate cache
+                rootDir = RootDirectory(getDirectoryFromPreference())
+            }
+    }
+
+    /**
+     * Returns the downloads directory from the user's preferences.
+     */
+    private fun getDirectoryFromPreference(): UniFile {
+        val dir = preferences.downloadsDirectory().get()
+        return UniFile.fromUri(context, Uri.parse(dir))
+    }
+
+    /**
+     * Returns true if the chapter is downloaded.
+     *
+     * @param chapter the chapter to check.
+     * @param manga the manga of the chapter.
+     * @param skipCache whether to skip the directory cache and check in the filesystem.
+     */
+    fun isChapterDownloaded(chapter: Chapter, manga: Manga, skipCache: Boolean): Boolean {
+        if (skipCache) {
+            val source = sourceManager.get(manga.source) ?: return false
+            return provider.findChapterDir(chapter, manga, source) != null
+        }
+
+        checkRenew()
+
+        val sourceDir = rootDir.files[manga.source]
+        if (sourceDir != null) {
+            val mangaDir = sourceDir.files[provider.getMangaDirName(manga)]
+            if (mangaDir != null) {
+                return provider.getChapterDirName(chapter) in mangaDir.files
+            }
+        }
+        return false
+    }
+
+    /**
+     * Returns the amount of downloaded chapters for a manga.
+     *
+     * @param manga the manga to check.
+     */
+    fun getDownloadCount(manga: Manga): Int {
+        checkRenew()
+
+        val sourceDir = rootDir.files[manga.source]
+        if (sourceDir != null) {
+            val mangaDir = sourceDir.files[provider.getMangaDirName(manga)]
+            if (mangaDir != null) {
+                return mangaDir.files
+                    .filter { !it.endsWith(Downloader.TMP_DIR_SUFFIX) }
+                    .size
+            }
+        }
+        return 0
+    }
+
+    /**
+     * Checks if the cache needs a renewal and performs it if needed.
+     */
+    @Synchronized
+    private fun checkRenew() {
+        if (lastRenew + renewInterval < System.currentTimeMillis()) {
+            renew()
+            lastRenew = System.currentTimeMillis()
+        }
+    }
+
+    /**
+     * Renews the downloads cache.
+     */
+    private fun renew() {
+        val onlineSources = sourceManager.getOnlineSources()
+
+        val sourceDirs = rootDir.dir.listFiles()
+            .orEmpty()
+            .associate { it.name to SourceDirectory(it) }
+            .mapNotNullKeys { entry ->
+                onlineSources.find { provider.getSourceDirName(it) == entry.key }?.id
+            }
+
+        rootDir.files = sourceDirs
+
+        sourceDirs.values.forEach { sourceDir ->
+            val mangaDirs = sourceDir.dir.listFiles()
+                .orEmpty()
+                .associateNotNullKeys { it.name to MangaDirectory(it) }
+
+            sourceDir.files = mangaDirs
+
+            mangaDirs.values.forEach { mangaDir ->
+                val chapterDirs = mangaDir.dir.listFiles()
+                    .orEmpty()
+                    .mapNotNull { it.name }
+                    .toHashSet()
+
+                mangaDir.files = chapterDirs
+            }
+        }
+    }
+
+    /**
+     * Adds a chapter that has just been download to this cache.
+     *
+     * @param chapterDirName the downloaded chapter's directory name.
+     * @param mangaUniFile the directory of the manga.
+     * @param manga the manga of the chapter.
+     */
+    @Synchronized
+    fun addChapter(chapterDirName: String, mangaUniFile: UniFile, manga: Manga) {
+        // Retrieve the cached source directory or cache a new one
+        var sourceDir = rootDir.files[manga.source]
+        if (sourceDir == null) {
+            val source = sourceManager.get(manga.source) ?: return
+            val sourceUniFile = provider.findSourceDir(source) ?: return
+            sourceDir = SourceDirectory(sourceUniFile)
+            rootDir.files += manga.source to sourceDir
+        }
+
+        // Retrieve the cached manga directory or cache a new one
+        val mangaDirName = provider.getMangaDirName(manga)
+        var mangaDir = sourceDir.files[mangaDirName]
+        if (mangaDir == null) {
+            mangaDir = MangaDirectory(mangaUniFile)
+            sourceDir.files += mangaDirName to mangaDir
+        }
+
+        // Save the chapter directory
+        mangaDir.files += chapterDirName
+    }
+
+    /**
+     * Removes a chapter that has been deleted from this cache.
+     *
+     * @param chapter the chapter to remove.
+     * @param manga the manga of the chapter.
+     */
+    @Synchronized
+    fun removeChapter(chapter: Chapter, manga: Manga) {
+        val sourceDir = rootDir.files[manga.source] ?: return
+        val mangaDir = sourceDir.files[provider.getMangaDirName(manga)] ?: return
+        val chapterDirName = provider.getChapterDirName(chapter)
+        if (chapterDirName in mangaDir.files) {
+            mangaDir.files -= chapterDirName
+        }
+    }
+
+    /**
+     * Removes a list of chapters that have been deleted from this cache.
+     *
+     * @param chapters the list of chapter to remove.
+     * @param manga the manga of the chapter.
+     */
+    @Synchronized
+    fun removeChapters(chapters: List<Chapter>, manga: Manga) {
+        val sourceDir = rootDir.files[manga.source] ?: return
+        val mangaDir = sourceDir.files[provider.getMangaDirName(manga)] ?: return
+        for (chapter in chapters) {
+            val chapterDirName = provider.getChapterDirName(chapter)
+            if (chapterDirName in mangaDir.files) {
+                mangaDir.files -= chapterDirName
+            }
+        }
+    }
+
+    /**
+     * Removes a manga that has been deleted from this cache.
+     *
+     * @param manga the manga to remove.
+     */
+    @Synchronized
+    fun removeManga(manga: Manga) {
+        val sourceDir = rootDir.files[manga.source] ?: return
+        val mangaDirName = provider.getMangaDirName(manga)
+        if (mangaDirName in sourceDir.files) {
+            sourceDir.files -= mangaDirName
+        }
+    }
+
+    /**
+     * Class to store the files under the root downloads directory.
+     */
+    private class RootDirectory(
+        val dir: UniFile,
+        var files: Map<Long, SourceDirectory> = hashMapOf()
+    )
+
+    /**
+     * Class to store the files under a source directory.
+     */
+    private class SourceDirectory(
+        val dir: UniFile,
+        var files: Map<String, MangaDirectory> = hashMapOf()
+    )
+
+    /**
+     * Class to store the files under a manga directory.
+     */
+    private class MangaDirectory(
+        val dir: UniFile,
+        var files: Set<String> = hashSetOf()
+    )
+
+    /**
+     * Returns a new map containing only the key entries of [transform] that are not null.
+     */
+    private inline fun <K, V, R> Map<out K, V>.mapNotNullKeys(transform: (Map.Entry<K?, V>) -> R?): Map<R, V> {
+        val destination = LinkedHashMap<R, V>()
+        forEach { element -> transform(element)?.let { destination[it] = element.value } }
+        return destination
+    }
+
+    /**
+     * Returns a map from a list containing only the key entries of [transform] that are not null.
+     */
+    private inline fun <T, K, V> Array<T>.associateNotNullKeys(transform: (T) -> Pair<K?, V>): Map<K, V> {
+        val destination = LinkedHashMap<K, V>()
+        for (element in this) {
+            val (key, value) = transform(element)
+            if (key != null) {
+                destination[key] = value
+            }
+        }
+        return destination
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadManager.kt

@@ -5,10 +5,13 @@ import com.hippo.unifile.UniFile
 import com.jakewharton.rxrelay.BehaviorRelay
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.data.download.model.DownloadQueue
 import eu.kanade.tachiyomi.source.Source
+import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.model.Page
 import rx.Observable
+import uy.kohesive.injekt.injectLazy
 
 /**
  * This class is used to manage chapter downloads in the application. It must be instantiated once
@@ -17,17 +20,32 @@ import rx.Observable
  *
  * @param context the application context.
  */
-class DownloadManager(context: Context) {
+class DownloadManager(private val context: Context) {
+
+    /**
+     * The sources manager.
+     */
+    private val sourceManager by injectLazy<SourceManager>()
 
     /**
      * Downloads provider, used to retrieve the folders where the chapters are or should be stored.
      */
     private val provider = DownloadProvider(context)
 
+    /**
+     * Cache of downloaded chapters.
+     */
+    private val cache = DownloadCache(context, provider, sourceManager)
+
     /**
      * Downloader whose only task is to download chapters.
      */
-    private val downloader = Downloader(context, provider)
+    private val downloader = Downloader(context, provider, cache, sourceManager)
+
+    /**
+     * Queue to delay the deletion of a list of chapters until triggered.
+     */
+    private val pendingDeleter = DownloadPendingDeleter(context)
 
     /**
      * Downloads queue, where the pending chapters are stored.
@@ -75,14 +93,38 @@ class DownloadManager(context: Context) {
         downloader.clearQueue(isNotification)
     }
 
+    /**
+     * Reorders the download queue.
+     *
+     * @param downloads value to set the download queue to
+     */
+    fun reorderQueue(downloads: List<Download>) {
+        val wasRunning = downloader.isRunning
+
+        if (downloads.isEmpty()) {
+            DownloadService.stop(context)
+            downloader.queue.clear()
+            return
+        }
+
+        downloader.pause()
+        downloader.queue.clear()
+        downloader.queue.addAll(downloads)
+
+        if (wasRunning) {
+            downloader.start()
+        }
+    }
+
     /**
      * Tells the downloader to enqueue the given list of chapters.
      *
      * @param manga the manga of the chapters.
      * @param chapters the list of chapters to enqueue.
+     * @param autoStart whether to start the downloader after enqueing the chapters.
      */
-    fun downloadChapters(manga: Manga, chapters: List<Chapter>) {
+    fun downloadChapters(manga: Manga, chapters: List<Chapter>, autoStart: Boolean = true) {
-        downloader.queueChapters(manga, chapters)
+        downloader.queueChapters(manga, chapters, autoStart)
     }
 
     /**
@@ -94,7 +136,7 @@ class DownloadManager(context: Context) {
      * @return an observable containing the list of pages from the chapter.
      */
     fun buildPageList(source: Source, manga: Manga, chapter: Chapter): Observable<List<Page>> {
-        return buildPageList(provider.findChapterDir(source, manga, chapter))
+        return buildPageList(provider.findChapterDir(chapter, manga, source))
     }
 
     /**
@@ -120,61 +162,81 @@ class DownloadManager(context: Context) {
     }
 
     /**
-     * Returns the directory name for a manga.
+     * Returns true if the chapter is downloaded.
      *
-     * @param manga the manga to query.
+     * @param chapter the chapter to check.
+     * @param manga the manga of the chapter.
+     * @param skipCache whether to skip the directory cache and check in the filesystem.
      */
-    fun getMangaDirName(manga: Manga): String {
+    fun isChapterDownloaded(chapter: Chapter, manga: Manga, skipCache: Boolean = false): Boolean {
-        return provider.getMangaDirName(manga)
+        return cache.isChapterDownloaded(chapter, manga, skipCache)
     }
 
     /**
-     * Returns the directory name for the given chapter.
+     * Returns the amount of downloaded chapters for a manga.
      *
-     * @param chapter the chapter to query.
+     * @param manga the manga to check.
      */
-    fun getChapterDirName(chapter: Chapter): String {
+    fun getDownloadCount(manga: Manga): Int {
-        return provider.getChapterDirName(chapter)
+        return cache.getDownloadCount(manga)
     }
 
     /**
-     * Returns the download directory for a source if it exists.
+     * Calls delete chapter, which deletes a temp download.
      *
-     * @param source the source to query.
+     * @param download the download to cancel.
      */
-    fun findSourceDir(source: Source): UniFile? {
+    fun deletePendingDownload(download: Download) {
-        return provider.findSourceDir(source)
+        deleteChapters(listOf(download.chapter), download.manga, download.source)
     }
 
     /**
-     * Returns the directory for the given manga, if it exists.
+     * Deletes the directories of a list of downloaded chapters.
      *
+     * @param chapters the list of chapters to delete.
+     * @param manga the manga of the chapters.
+     * @param source the source of the chapters.
+     */
+    fun deleteChapters(chapters: List<Chapter>, manga: Manga, source: Source) {
+        queue.remove(chapters)
+        val chapterDirs = provider.findChapterDirs(chapters, manga, source)
+        chapterDirs.forEach { it.delete() }
+        cache.removeChapters(chapters, manga)
+        if (cache.getDownloadCount(manga) == 0) { // Delete manga directory if empty
+            chapterDirs.firstOrNull()?.parentFile?.delete()
+        }
+    }
+
+    /**
+     * Deletes the directory of a downloaded manga.
+     *
+     * @param manga the manga to delete.
      * @param source the source of the manga.
-     * @param manga the manga to query.
      */
-    fun findMangaDir(source: Source, manga: Manga): UniFile? {
+    fun deleteManga(manga: Manga, source: Source) {
-        return provider.findMangaDir(source, manga)
+        queue.remove(manga)
+        provider.findMangaDir(manga, source)?.delete()
+        cache.removeManga(manga)
     }
 
     /**
-     * Returns the directory for the given chapter, if it exists.
+     * Adds a list of chapters to be deleted later.
      *
-     * @param source the source of the chapter.
+     * @param chapters the list of chapters to delete.
-     * @param manga the manga of the chapter.
+     * @param manga the manga of the chapters.
-     * @param chapter the chapter to query.
      */
-    fun findChapterDir(source: Source, manga: Manga, chapter: Chapter): UniFile? {
+    fun enqueueDeleteChapters(chapters: List<Chapter>, manga: Manga) {
-        return provider.findChapterDir(source, manga, chapter)
+        pendingDeleter.addChapters(chapters, manga)
     }
 
     /**
-     * Deletes the directory of a downloaded chapter.
+     * Triggers the execution of the deletion of pending chapters.
-     *
-     * @param source the source of the chapter.
-     * @param manga the manga of the chapter.
-     * @param chapter the chapter to delete.
      */
-    fun deleteChapter(source: Source, manga: Manga, chapter: Chapter) {
+    fun deletePendingChapters() {
-        provider.findChapterDir(source, manga, chapter)?.delete()
+        val pendingChapters = pendingDeleter.getPendingChapters()
+        for ((manga, chapters) in pendingChapters) {
+            val source = sourceManager.get(manga.source) ?: continue
+            deleteChapters(chapters, manga, source)
+        }
     }
 }

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadNotifier.kt

@@ -2,16 +2,19 @@ package eu.kanade.tachiyomi.data.download
 
 import android.content.Context
 import android.graphics.BitmapFactory
-import android.support.v4.app.NotificationCompat
+import androidx.core.app.NotificationCompat
-import eu.kanade.tachiyomi.Constants
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.download.model.Download
-import eu.kanade.tachiyomi.data.download.model.DownloadQueue
 import eu.kanade.tachiyomi.data.notification.NotificationHandler
 import eu.kanade.tachiyomi.data.notification.NotificationReceiver
-import eu.kanade.tachiyomi.util.chop
+import eu.kanade.tachiyomi.data.notification.Notifications
-import eu.kanade.tachiyomi.util.notificationManager
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.util.lang.chop
+import eu.kanade.tachiyomi.util.system.notificationBuilder
+import eu.kanade.tachiyomi.util.system.notificationManager
 import java.util.regex.Pattern
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
 
 /**
  * DownloadNotifier is used to show notifications when downloading one or multiple chapters.
@@ -19,46 +22,23 @@ import java.util.regex.Pattern
  * @param context context of application
  */
 internal class DownloadNotifier(private val context: Context) {
-    /**
+
-     * Notification builder.
+    private val notificationBuilder = context.notificationBuilder(Notifications.CHANNEL_DOWNLOADER) {
-     */
+        setLargeIcon(BitmapFactory.decodeResource(context.resources, R.mipmap.ic_launcher))
-    private val notification by lazy {
-        NotificationCompat.Builder(context)
-                .setLargeIcon(BitmapFactory.decodeResource(context.resources, R.mipmap.ic_launcher))
     }
 
+    private val preferences by lazy { Injekt.get<PreferencesHelper>() }
+
     /**
      * Status of download. Used for correct notification icon.
      */
     private var isDownloading = false
 
-    /**
-     * The size of queue on start download.
-     */
-    var initialQueueSize = 0
-        get() = field
-        set(value) {
-            if (value != 0){
-                isSingleChapter = (value == 1)
-            }
-            field = value
-        }
-
-    /**
-     * Simultaneous download setting > 1.
-     */
-    var multipleDownloadThreads = false
-
     /**
      * Updated when error is thrown
      */
     var errorThrown = false
 
-    /**
-     * Updated when only single page is downloaded
-     */
-    var isSingleChapter = false
-
     /**
      * Updated when paused
      */
@@ -69,60 +49,35 @@ internal class DownloadNotifier(private val context: Context) {
      *
      * @param id the id of the notification.
      */
-    private fun NotificationCompat.Builder.show(id: Int = Constants.NOTIFICATION_DOWNLOAD_CHAPTER_ID) {
+    private fun NotificationCompat.Builder.show(id: Int = Notifications.ID_DOWNLOAD_CHAPTER) {
         context.notificationManager.notify(id, build())
     }
 
     /**
      * Clear old actions if they exist.
      */
-    private fun clearActions() = with(notification) {
+    private fun clearActions() = with(notificationBuilder) {
-        if (!mActions.isEmpty())
+        if (mActions.isNotEmpty()) {
             mActions.clear()
         }
+    }
 
     /**
      * Dismiss the downloader's notification. Downloader error notifications use a different id, so
      * those can only be dismissed by the user.
      */
     fun dismiss() {
-        context.notificationManager.cancel(Constants.NOTIFICATION_DOWNLOAD_CHAPTER_ID)
+        context.notificationManager.cancel(Notifications.ID_DOWNLOAD_CHAPTER)
     }
 
     /**
      * Called when download progress changes.
-     * Note: Only accepted when multi download active.
-     *
-     * @param queue the queue containing downloads.
-     */
-    fun onProgressChange(queue: DownloadQueue) {
-        if (multipleDownloadThreads) {
-            doOnProgressChange(null, queue)
-        }
-    }
-
-    /**
-     * Called when download progress changes.
-     * Note: Only accepted when single download active.
      *
      * @param download download object containing download information.
-     * @param queue the queue containing downloads.
      */
-    fun onProgressChange(download: Download, queue: DownloadQueue) {
+    fun onProgressChange(download: Download) {
-        if (!multipleDownloadThreads) {
-            doOnProgressChange(download, queue)
-        }
-    }
-
-    /**
-     * Show notification progress of chapter.
-     *
-     * @param download download object containing download information.
-     * @param queue the queue containing downloads.
-     */
-    private fun doOnProgressChange(download: Download?, queue: DownloadQueue) {
         // Create notification
-        with(notification) {
+        with(notificationBuilder) {
             // Check if first call.
             if (!isDownloading) {
                 setSmallIcon(android.R.drawable.stat_sys_download)
@@ -131,96 +86,66 @@ internal class DownloadNotifier(private val context: Context) {
                 // Open download manager when clicked
                 setContentIntent(NotificationHandler.openDownloadManagerPendingActivity(context))
                 isDownloading = true
+                // Pause action
+                addAction(
+                    R.drawable.ic_pause_24dp,
+                    context.getString(R.string.action_pause),
+                    NotificationReceiver.pauseDownloadsPendingBroadcast(context)
+                )
             }
 
-            if (multipleDownloadThreads) {
+            val downloadingProgressText = context.getString(R.string.chapter_downloading_progress)
-                setContentTitle(context.getString(R.string.app_name))
+                .format(download.downloadedImages, download.pages!!.size)
 
-                // Reset the queue size if the download progress is negative
+            if (preferences.hideNotificationContent()) {
-                if ((initialQueueSize - queue.size) < 0)
+                setContentTitle(downloadingProgressText)
-                    initialQueueSize = queue.size
-
-                setContentText(context.getString(R.string.chapter_downloading_progress)
-                        .format(initialQueueSize - queue.size, initialQueueSize))
-                setProgress(initialQueueSize, initialQueueSize - queue.size, false)
             } else {
-                download?.let {
+                val title = download.manga.title.chop(15)
-                    val title = it.manga.title.chop(15)
                 val quotedTitle = Pattern.quote(title)
                 val chapter = download.chapter.name.replaceFirst("$quotedTitle[\\s]*[-]*[\\s]*".toRegex(RegexOption.IGNORE_CASE), "")
                 setContentTitle("$title - $chapter".chop(30))
-                    setContentText(context.getString(R.string.chapter_downloading_progress)
+                setContentText(downloadingProgressText)
-                            .format(it.downloadedImages, it.pages!!.size))
+            }
-                    setProgress(it.pages!!.size, it.downloadedImages, false)
 
+            setProgress(download.pages!!.size, download.downloadedImages, false)
         }
-            }
+
-        }
         // Displays the progress bar on notification
-        notification.show()
+        notificationBuilder.show()
     }
 
     /**
      * Show notification when download is paused.
      */
     fun onDownloadPaused() {
-        with(notification) {
+        with(notificationBuilder) {
             setContentTitle(context.getString(R.string.chapter_paused))
             setContentText(context.getString(R.string.download_notifier_download_paused))
-            setSmallIcon(R.drawable.ic_av_pause_grey_24dp_img)
+            setSmallIcon(R.drawable.ic_pause_24dp)
             setAutoCancel(false)
             setProgress(0, 0, false)
             clearActions()
             // Open download manager when clicked
             setContentIntent(NotificationHandler.openDownloadManagerPendingActivity(context))
             // Resume action
-            addAction(R.drawable.ic_av_play_arrow_grey_img,
+            addAction(
+                R.drawable.ic_play_arrow_24dp,
                 context.getString(R.string.action_resume),
-                    NotificationReceiver.resumeDownloadsPendingBroadcast(context))
+                NotificationReceiver.resumeDownloadsPendingBroadcast(context)
+            )
             // Clear action
-            addAction(R.drawable.ic_clear_grey_24dp_img,
+            addAction(
-                    context.getString(R.string.action_clear),
+                R.drawable.ic_close_24dp,
-                    NotificationReceiver.clearDownloadsPendingBroadcast(context))
+                context.getString(R.string.action_cancel_all),
+                NotificationReceiver.clearDownloadsPendingBroadcast(context)
+            )
         }
 
         // Show notification.
-        notification.show()
+        notificationBuilder.show()
 
         // Reset initial values
         isDownloading = false
-        initialQueueSize = 0
-    }
-
-    /**
-     * Called when chapter is downloaded.
-     *
-     * @param download download object containing download information.
-     */
-    fun onDownloadCompleted(download: Download, queue: DownloadQueue) {
-        // Check if last download
-        if (!queue.isEmpty()) {
-            return
-        }
-        // Create notification.
-        with(notification) {
-            val title = download.manga.title.chop(15)
-            val quotedTitle = Pattern.quote(title)
-            val chapter = download.chapter.name.replaceFirst("$quotedTitle[\\s]*[-]*[\\s]*".toRegex(RegexOption.IGNORE_CASE), "")
-            setContentTitle("$title - $chapter".chop(30))
-            setContentText(context.getString(R.string.update_check_notification_download_complete))
-            setSmallIcon(android.R.drawable.stat_sys_download_done)
-            setAutoCancel(true)
-            clearActions()
-            setContentIntent(NotificationReceiver.openChapterPendingBroadcast(context, download.manga, download.chapter))
-            setProgress(0, 0, false)
-        }
-
-        // Show notification.
-        notification.show()
-
-        // Reset initial values
-        isDownloading = false
-        initialQueueSize = 0
     }
 
     /**
@@ -229,7 +154,7 @@ internal class DownloadNotifier(private val context: Context) {
      * @param reason the text to show.
      */
     fun onWarning(reason: String) {
-        with(notification) {
+        with(notificationBuilder) {
             setContentTitle(context.getString(R.string.download_notifier_downloader_title))
             setContentText(reason)
             setSmallIcon(android.R.drawable.stat_sys_warning)
@@ -238,7 +163,7 @@ internal class DownloadNotifier(private val context: Context) {
             setContentIntent(NotificationHandler.openDownloadManagerPendingActivity(context))
             setProgress(0, 0, false)
         }
-        notification.show()
+        notificationBuilder.show()
 
         // Reset download information
         isDownloading = false
@@ -253,16 +178,19 @@ internal class DownloadNotifier(private val context: Context) {
      */
     fun onError(error: String? = null, chapter: String? = null) {
         // Create notification
-        with(notification) {
+        with(notificationBuilder) {
-            setContentTitle(chapter ?: context.getString(R.string.download_notifier_downloader_title))
+            setContentTitle(
-            setContentText(error ?: context.getString(R.string.download_notifier_unkown_error))
+                chapter
+                    ?: context.getString(R.string.download_notifier_downloader_title)
+            )
+            setContentText(error ?: context.getString(R.string.download_notifier_unknown_error))
             setSmallIcon(android.R.drawable.stat_sys_warning)
             clearActions()
             setAutoCancel(false)
             setContentIntent(NotificationHandler.openDownloadManagerPendingActivity(context))
             setProgress(0, 0, false)
         }
-        notification.show(Constants.NOTIFICATION_DOWNLOAD_CHAPTER_ERROR_ID)
+        notificationBuilder.show(Notifications.ID_DOWNLOAD_CHAPTER_ERROR)
 
         // Reset download information
         errorThrown = true

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadPendingDeleter.kt

@@ -0,0 +1,179 @@
+package eu.kanade.tachiyomi.data.download
+
+import android.content.Context
+import com.github.salomonbrys.kotson.fromJson
+import com.google.gson.Gson
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.models.Manga
+import uy.kohesive.injekt.injectLazy
+
+/**
+ * Class used to keep a list of chapters for future deletion.
+ *
+ * @param context the application context.
+ */
+class DownloadPendingDeleter(context: Context) {
+
+    /**
+     * Gson instance to encode and decode chapters.
+     */
+    private val gson by injectLazy<Gson>()
+
+    /**
+     * Preferences used to store the list of chapters to delete.
+     */
+    private val prefs = context.getSharedPreferences("chapters_to_delete", Context.MODE_PRIVATE)
+
+    /**
+     * Last added chapter, used to avoid decoding from the preference too often.
+     */
+    private var lastAddedEntry: Entry? = null
+
+    /**
+     * Adds a list of chapters for future deletion.
+     *
+     * @param chapters the chapters to be deleted.
+     * @param manga the manga of the chapters.
+     */
+    @Synchronized
+    fun addChapters(chapters: List<Chapter>, manga: Manga) {
+        val lastEntry = lastAddedEntry
+
+        val newEntry = if (lastEntry != null && lastEntry.manga.id == manga.id) {
+            // Append new chapters
+            val newChapters = lastEntry.chapters.addUniqueById(chapters)
+
+            // If no chapters were added, do nothing
+            if (newChapters.size == lastEntry.chapters.size) return
+
+            // Last entry matches the manga, reuse it to avoid decoding json from preferences
+            lastEntry.copy(chapters = newChapters)
+        } else {
+            val existingEntry = prefs.getString(manga.id!!.toString(), null)
+            if (existingEntry != null) {
+                // Existing entry found on preferences, decode json and add the new chapter
+                val savedEntry = gson.fromJson<Entry>(existingEntry)
+
+                // Append new chapters
+                val newChapters = savedEntry.chapters.addUniqueById(chapters)
+
+                // If no chapters were added, do nothing
+                if (newChapters.size == savedEntry.chapters.size) return
+
+                savedEntry.copy(chapters = newChapters)
+            } else {
+                // No entry has been found yet, create a new one
+                Entry(chapters.map { it.toEntry() }, manga.toEntry())
+            }
+        }
+
+        // Save current state
+        val json = gson.toJson(newEntry)
+        prefs.edit().putString(newEntry.manga.id.toString(), json).apply()
+        lastAddedEntry = newEntry
+    }
+
+    /**
+     * Returns the list of chapters to be deleted grouped by its manga.
+     *
+     * Note: the returned list of manga and chapters only contain basic information needed by the
+     * downloader, so don't use them for anything else.
+     */
+    @Synchronized
+    fun getPendingChapters(): Map<Manga, List<Chapter>> {
+        val entries = decodeAll()
+        prefs.edit().clear().apply()
+        lastAddedEntry = null
+
+        return entries.associate { entry ->
+            entry.manga.toModel() to entry.chapters.map { it.toModel() }
+        }
+    }
+
+    /**
+     * Decodes all the chapters from preferences.
+     */
+    private fun decodeAll(): List<Entry> {
+        return prefs.all.values.mapNotNull { rawEntry ->
+            try {
+                (rawEntry as? String)?.let { gson.fromJson<Entry>(it) }
+            } catch (e: Exception) {
+                null
+            }
+        }
+    }
+
+    /**
+     * Returns a copy of chapter entries ensuring no duplicates by chapter id.
+     */
+    private fun List<ChapterEntry>.addUniqueById(chapters: List<Chapter>): List<ChapterEntry> {
+        val newList = toMutableList()
+        for (chapter in chapters) {
+            if (none { it.id == chapter.id }) {
+                newList.add(chapter.toEntry())
+            }
+        }
+        return newList
+    }
+
+    /**
+     * Class used to save an entry of chapters with their manga into preferences.
+     */
+    private data class Entry(
+        val chapters: List<ChapterEntry>,
+        val manga: MangaEntry
+    )
+
+    /**
+     * Class used to save an entry for a chapter into preferences.
+     */
+    private data class ChapterEntry(
+        val id: Long,
+        val url: String,
+        val name: String
+    )
+
+    /**
+     * Class used to save an entry for a manga into preferences.
+     */
+    private data class MangaEntry(
+        val id: Long,
+        val url: String,
+        val title: String,
+        val source: Long
+    )
+
+    /**
+     * Returns a manga entry from a manga model.
+     */
+    private fun Manga.toEntry(): MangaEntry {
+        return MangaEntry(id!!, url, title, source)
+    }
+
+    /**
+     * Returns a chapter entry from a chapter model.
+     */
+    private fun Chapter.toEntry(): ChapterEntry {
+        return ChapterEntry(id!!, url, name)
+    }
+
+    /**
+     * Returns a manga model from a manga entry.
+     */
+    private fun MangaEntry.toModel(): Manga {
+        return Manga.create(url, title, source).also {
+            it.id = id
+        }
+    }
+
+    /**
+     * Returns a chapter model from a chapter entry.
+     */
+    private fun ChapterEntry.toModel(): Chapter {
+        return Chapter.create().also {
+            it.id = id
+            it.url = url
+            it.name = name
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadProvider.kt

@@ -3,12 +3,17 @@ package eu.kanade.tachiyomi.data.download
 import android.content.Context
 import android.net.Uri
 import com.hippo.unifile.UniFile
+import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
-import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.source.Source
-import eu.kanade.tachiyomi.util.DiskUtil
+import eu.kanade.tachiyomi.util.storage.DiskUtil
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
 import uy.kohesive.injekt.injectLazy
 
 /**
@@ -19,34 +24,39 @@ import uy.kohesive.injekt.injectLazy
  */
 class DownloadProvider(private val context: Context) {
 
-    /**
-     * Preferences helper.
-     */
     private val preferences: PreferencesHelper by injectLazy()
 
+    private val scope = CoroutineScope(Job() + Dispatchers.Main)
+
     /**
      * The root directory for downloads.
      */
-    private var downloadsDir = preferences.downloadsDirectory().getOrDefault().let {
+    private var downloadsDir = preferences.downloadsDirectory().get().let {
-        UniFile.fromUri(context, Uri.parse(it))
+        val dir = UniFile.fromUri(context, Uri.parse(it))
+        DiskUtil.createNoMediaFile(dir, context)
+        dir
     }
 
     init {
-        preferences.downloadsDirectory().asObservable()
+        preferences.downloadsDirectory().asFlow()
-                .skip(1)
+            .onEach { downloadsDir = UniFile.fromUri(context, Uri.parse(it)) }
-                .subscribe { downloadsDir = UniFile.fromUri(context, Uri.parse(it)) }
+            .launchIn(scope)
     }
 
     /**
      * Returns the download directory for a manga. For internal use only.
      *
-     * @param source the source of the manga.
      * @param manga the manga to query.
+     * @param source the source of the manga.
      */
-    internal fun getMangaDir(source: Source, manga: Manga): UniFile {
+    internal fun getMangaDir(manga: Manga, source: Source): UniFile {
+        try {
             return downloadsDir
                 .createDirectory(getSourceDirName(source))
                 .createDirectory(getMangaDirName(manga))
+        } catch (e: NullPointerException) {
+            throw Exception(context.getString(R.string.invalid_download_dir))
+        }
     }
 
     /**
@@ -61,10 +71,10 @@ class DownloadProvider(private val context: Context) {
     /**
      * Returns the download directory for a manga if it exists.
      *
-     * @param source the source of the manga.
      * @param manga the manga to query.
+     * @param source the source of the manga.
      */
-    fun findMangaDir(source: Source, manga: Manga): UniFile? {
+    fun findMangaDir(manga: Manga, source: Source): UniFile? {
         val sourceDir = findSourceDir(source)
         return sourceDir?.findFile(getMangaDirName(manga))
     }
@@ -72,15 +82,27 @@ class DownloadProvider(private val context: Context) {
     /**
      * Returns the download directory for a chapter if it exists.
      *
-     * @param source the source of the chapter.
-     * @param manga the manga of the chapter.
      * @param chapter the chapter to query.
+     * @param manga the manga of the chapter.
+     * @param source the source of the chapter.
      */
-    fun findChapterDir(source: Source, manga: Manga, chapter: Chapter): UniFile? {
+    fun findChapterDir(chapter: Chapter, manga: Manga, source: Source): UniFile? {
-        val mangaDir = findMangaDir(source, manga)
+        val mangaDir = findMangaDir(manga, source)
         return mangaDir?.findFile(getChapterDirName(chapter))
     }
 
+    /**
+     * Returns a list of downloaded directories for the chapters that exist.
+     *
+     * @param chapters the chapters to query.
+     * @param manga the manga of the chapter.
+     * @param source the source of the chapter.
+     */
+    fun findChapterDirs(chapters: List<Chapter>, manga: Manga, source: Source): List<UniFile> {
+        val mangaDir = findMangaDir(manga, source) ?: return emptyList()
+        return chapters.mapNotNull { mangaDir.findFile(getChapterDirName(it)) }
+    }
+
     /**
      * Returns the download directory name for a source.
      *
@@ -107,5 +129,4 @@ class DownloadProvider(private val context: Context) {
     fun getChapterDirName(chapter: Chapter): String {
         return DiskUtil.buildValidFilename(chapter.name)
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadService.kt

@@ -1,21 +1,25 @@
 package eu.kanade.tachiyomi.data.download
 
+import android.app.Notification
 import android.app.Service
 import android.content.Context
 import android.content.Intent
 import android.net.NetworkInfo.State.CONNECTED
 import android.net.NetworkInfo.State.DISCONNECTED
+import android.os.Build
 import android.os.IBinder
 import android.os.PowerManager
 import com.github.pwittchen.reactivenetwork.library.Connectivity
 import com.github.pwittchen.reactivenetwork.library.ReactiveNetwork
 import com.jakewharton.rxrelay.BehaviorRelay
 import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.notification.Notifications
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
-import eu.kanade.tachiyomi.util.connectivityManager
+import eu.kanade.tachiyomi.util.lang.plusAssign
-import eu.kanade.tachiyomi.util.plusAssign
+import eu.kanade.tachiyomi.util.system.connectivityManager
-import eu.kanade.tachiyomi.util.powerManager
+import eu.kanade.tachiyomi.util.system.notification
-import eu.kanade.tachiyomi.util.toast
+import eu.kanade.tachiyomi.util.system.powerManager
+import eu.kanade.tachiyomi.util.system.toast
 import rx.android.schedulers.AndroidSchedulers
 import rx.schedulers.Schedulers
 import rx.subscriptions.CompositeSubscription
@@ -41,7 +45,12 @@ class DownloadService : Service() {
          * @param context the application context.
          */
         fun start(context: Context) {
-            context.startService(Intent(context, DownloadService::class.java))
+            val intent = Intent(context, DownloadService::class.java)
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+                context.startService(intent)
+            } else {
+                context.startForegroundService(intent)
+            }
         }
 
         /**
@@ -54,14 +63,8 @@ class DownloadService : Service() {
         }
     }
 
-    /**
-     * Download manager.
-     */
     private val downloadManager: DownloadManager by injectLazy()
 
-    /**
-     * Preferences helper.
-     */
     private val preferences: PreferencesHelper by injectLazy()
 
     /**
@@ -81,6 +84,7 @@ class DownloadService : Service() {
      */
     override fun onCreate() {
         super.onCreate()
+        startForeground(Notifications.ID_DOWNLOAD_CHAPTER, getPlaceholderNotification())
         runningRelay.call(true)
         subscriptions = CompositeSubscription()
         listenDownloaderState()
@@ -102,7 +106,7 @@ class DownloadService : Service() {
      * Not used.
      */
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
-        return Service.START_NOT_STICKY
+        return START_NOT_STICKY
     }
 
     /**
@@ -121,11 +125,15 @@ class DownloadService : Service() {
         subscriptions += ReactiveNetwork.observeNetworkConnectivity(applicationContext)
             .subscribeOn(Schedulers.io())
             .observeOn(AndroidSchedulers.mainThread())
-                .subscribe({ state -> onNetworkStateChanged(state)
+            .subscribe(
-                }, { error ->
+                { state ->
+                    onNetworkStateChanged(state)
+                },
+                {
                     toast(R.string.download_queue_error)
                     stopSelf()
-                })
+                }
+            )
     }
 
     /**
@@ -146,7 +154,9 @@ class DownloadService : Service() {
             DISCONNECTED -> {
                 downloadManager.stopDownloads(getString(R.string.download_notifier_no_network))
             }
-            else -> { /* Do nothing */ }
+            else -> {
+                /* Do nothing */
+            }
         }
     }
 
@@ -155,12 +165,13 @@ class DownloadService : Service() {
      */
     private fun listenDownloaderState() {
         subscriptions += downloadManager.runningRelay.subscribe { running ->
-            if (running)
+            if (running) {
                 wakeLock.acquireIfNeeded()
-            else
+            } else {
                 wakeLock.releaseIfNeeded()
             }
         }
+    }
 
     /**
      * Releases the wake lock if it's held.
@@ -176,4 +187,9 @@ class DownloadService : Service() {
         if (!isHeld) acquire()
     }
 
+    private fun getPlaceholderNotification(): Notification {
+        return notification(Notifications.CHANNEL_DOWNLOADER) {
+            setContentTitle(getString(R.string.download_notifier_downloader_title))
+        }
+    }
 }

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadStore.kt

@@ -14,7 +14,10 @@ import uy.kohesive.injekt.injectLazy
  *
  * @param context the application context.
  */
-class DownloadStore(context: Context) {
+class DownloadStore(
+    context: Context,
+    private val sourceManager: SourceManager
+) {
 
     /**
      * Preference file where active downloads are stored.
@@ -26,14 +29,6 @@ class DownloadStore(context: Context) {
      */
     private val gson: Gson by injectLazy()
 
-    /**
-     * Source manager.
-     */
-    private val sourceManager: SourceManager by injectLazy()
-
-    /**
-     * Database helper.
-     */
     private val db: DatabaseHelper by injectLazy()
 
     /**
@@ -83,7 +78,7 @@ class DownloadStore(context: Context) {
     fun restore(): List<Download> {
         val objs = preferences.all
             .mapNotNull { it.value as? String }
-                .map { deserialize(it) }
+            .mapNotNull { deserialize(it) }
             .sortedBy { it.order }
 
         val downloads = mutableListOf<Download>()
@@ -119,8 +114,12 @@ class DownloadStore(context: Context) {
      *
      * @param string the download as string.
      */
-    private fun deserialize(string: String): DownloadObject {
+    private fun deserialize(string: String): DownloadObject? {
-        return gson.fromJson(string, DownloadObject::class.java)
+        return try {
+            gson.fromJson(string, DownloadObject::class.java)
+        } catch (e: Exception) {
+            null
+        }
     }
 
     /**
@@ -131,5 +130,4 @@ class DownloadStore(context: Context) {
      * @param order the order of the download in the queue.
      */
     data class DownloadObject(val mangaId: Long, val chapterId: Long, val order: Int)
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt

@@ -5,22 +5,28 @@ import android.webkit.MimeTypeMap
 import com.hippo.unifile.UniFile
 import com.jakewharton.rxrelay.BehaviorRelay
 import com.jakewharton.rxrelay.PublishRelay
+import eu.kanade.tachiyomi.data.cache.ChapterCache
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.data.download.model.DownloadQueue
-import eu.kanade.tachiyomi.data.preference.PreferencesHelper
-import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.model.Page
 import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.source.online.fetchAllImageUrlsFromPageList
-import eu.kanade.tachiyomi.util.*
+import eu.kanade.tachiyomi.util.lang.RetryWithDelay
+import eu.kanade.tachiyomi.util.lang.launchNow
+import eu.kanade.tachiyomi.util.lang.launchUI
+import eu.kanade.tachiyomi.util.lang.plusAssign
+import eu.kanade.tachiyomi.util.storage.DiskUtil
+import eu.kanade.tachiyomi.util.storage.saveTo
+import eu.kanade.tachiyomi.util.system.ImageUtil
+import java.io.File
+import kotlinx.coroutines.async
 import okhttp3.Response
 import rx.Observable
 import rx.android.schedulers.AndroidSchedulers
 import rx.schedulers.Schedulers
-import rx.subjects.BehaviorSubject
 import rx.subscriptions.CompositeSubscription
 import timber.log.Timber
 import uy.kohesive.injekt.injectLazy
@@ -36,29 +42,28 @@ import uy.kohesive.injekt.injectLazy
  *
  * @param context the application context.
  * @param provider the downloads directory provider.
+ * @param cache the downloads cache, used to add the downloads to the cache after their completion.
+ * @param sourceManager the source manager.
  */
-class Downloader(private val context: Context, private val provider: DownloadProvider) {
+class Downloader(
+    private val context: Context,
+    private val provider: DownloadProvider,
+    private val cache: DownloadCache,
+    private val sourceManager: SourceManager
+) {
+
+    private val chapterCache: ChapterCache by injectLazy()
 
     /**
      * Store for persisting downloads across restarts.
      */
-    private val store = DownloadStore(context)
+    private val store = DownloadStore(context, sourceManager)
 
     /**
      * Queue where active downloads are kept.
      */
     val queue = DownloadQueue(store)
 
-    /**
-     * Source manager.
-     */
-    private val sourceManager: SourceManager by injectLazy()
-
-    /**
-     * Preferences.
-     */
-    private val preferences: PreferencesHelper by injectLazy()
-
     /**
      * Notifier for the downloader state and progress.
      */
@@ -69,11 +74,6 @@ class Downloader(private val context: Context, private val provider: DownloadPro
      */
     private val subscriptions = CompositeSubscription()
 
-    /**
-     * Subject to do a live update of the number of simultaneous downloads.
-     */
-    private val threadsSubject = BehaviorSubject.create<Int>()
-
     /**
      * Relay to send a list of downloads to the downloader.
      */
@@ -87,15 +87,15 @@ class Downloader(private val context: Context, private val provider: DownloadPro
     /**
      * Whether the downloader is running.
      */
-    @Volatile private var isRunning: Boolean = false
+    @Volatile
+    var isRunning: Boolean = false
+        private set
 
     init {
-        Observable.fromCallable { store.restore() }
+        launchNow {
-                .map { downloads -> downloads.filter { isDownloadAllowed(it) } }
+            val chapters = async { store.restore() }
-                .subscribeOn(Schedulers.io())
+            queue.addAll(chapters.await())
-                .observeOn(AndroidSchedulers.mainThread())
+        }
-                .subscribe({ downloads -> queue.addAll(downloads)
-                }, { error -> Timber.e(error) })
     }
 
     /**
@@ -105,17 +105,19 @@ class Downloader(private val context: Context, private val provider: DownloadPro
      * @return true if the downloader is started, false otherwise.
      */
     fun start(): Boolean {
-        if (isRunning || queue.isEmpty())
+        if (isRunning || queue.isEmpty()) {
             return false
+        }
 
-        if (!subscriptions.hasSubscriptions())
+        if (!subscriptions.hasSubscriptions()) {
             initializeSubscriptions()
+        }
 
         val pending = queue.filter { it.status != Download.DOWNLOADED }
         pending.forEach { if (it.status != Download.QUEUE) it.status = Download.QUEUE }
 
         downloadsRelay.call(pending)
-        return !pending.isEmpty()
+        return pending.isNotEmpty()
     }
 
     /**
@@ -133,8 +135,6 @@ class Downloader(private val context: Context, private val provider: DownloadPro
             if (notifier.paused) {
                 notifier.paused = false
                 notifier.onDownloadPaused()
-            } else if (notifier.isSingleChapter && !notifier.errorThrown) {
-                notifier.isSingleChapter = false
             } else {
                 notifier.dismiss()
             }
@@ -180,22 +180,20 @@ class Downloader(private val context: Context, private val provider: DownloadPro
 
         subscriptions.clear()
 
-        subscriptions += preferences.downloadThreads().asObservable()
+        subscriptions += downloadsRelay.concatMapIterable { it }
-                .subscribe {
+            .concatMap { downloadChapter(it).subscribeOn(Schedulers.io()) }
-                    threadsSubject.onNext(it)
-                    notifier.multipleDownloadThreads = it > 1
-                }
-
-        subscriptions += downloadsRelay.flatMap { Observable.from(it) }
-                .lift(DynamicConcurrentMergeOperator<Download, Download>({ downloadChapter(it) }, threadsSubject))
             .onBackpressureBuffer()
             .observeOn(AndroidSchedulers.mainThread())
-                .subscribe({ completeDownload(it)
+            .subscribe(
-                }, { error ->
+                {
+                    completeDownload(it)
+                },
+                { error ->
                     DownloadService.stop(context)
                     Timber.e(error)
                     notifier.onError(error.message)
-                })
+                }
+            )
     }
 
     /**
@@ -210,61 +208,48 @@ class Downloader(private val context: Context, private val provider: DownloadPro
     }
 
     /**
-     * Creates a download object for every chapter and adds them to the downloads queue. This method
+     * Creates a download object for every chapter and adds them to the downloads queue.
-     * must be called in the main thread.
      *
      * @param manga the manga of the chapters to download.
      * @param chapters the list of chapters to download.
+     * @param autoStart whether to start the downloader after enqueing the chapters.
      */
-    fun queueChapters(manga: Manga, chapters: List<Chapter>) {
+    fun queueChapters(manga: Manga, chapters: List<Chapter>, autoStart: Boolean) = launchUI {
-        val source = sourceManager.get(manga.source) as? HttpSource ?: return
+        val source = sourceManager.get(manga.source) as? HttpSource ?: return@launchUI
+        val wasEmpty = queue.isEmpty()
+        // Called in background thread, the operation can be slow with SAF.
+        val chaptersWithoutDir = async {
+            val mangaDir = provider.findMangaDir(manga, source)
 
-        val chaptersToQueue = chapters
+            chapters
                 // Avoid downloading chapters with the same name.
                 .distinctBy { it.name }
+                // Filter out those already downloaded.
+                .filter { mangaDir?.findFile(provider.getChapterDirName(it)) == null }
                 // Add chapters to queue from the start.
                 .sortedByDescending { it.source_order }
-                // Create a downloader for each one.
+        }
+
+        // Runs in main thread (synchronization needed).
+        val chaptersToQueue = chaptersWithoutDir.await()
+            // Filter out those already enqueued.
+            .filter { chapter -> queue.none { it.chapter.id == chapter.id } }
+            // Create a download for each one.
             .map { Download(source, manga, it) }
-                // Filter out those already queued or downloaded.
-                .filter { isDownloadAllowed(it) }
-
-        // Return if there's nothing to queue.
-        if (chaptersToQueue.isEmpty())
-            return
 
+        if (chaptersToQueue.isNotEmpty()) {
             queue.addAll(chaptersToQueue)
 
-        // Initialize queue size.
-        notifier.initialQueueSize = queue.size
-
-        // Initial multi-thread
-        notifier.multipleDownloadThreads = preferences.downloadThreads().getOrDefault() > 1
-
             if (isRunning) {
                 // Send the list of downloads to the downloader.
                 downloadsRelay.call(chaptersToQueue)
-        } else {
-            // Show initial notification.
-            notifier.onProgressChange(queue)
-        }
             }
 
-    /**
+            // Start downloader if needed
-     * Returns true if the given download can be queued and downloaded.
+            if (autoStart && wasEmpty) {
-     *
+                DownloadService.start(this@Downloader.context)
-     * @param download the download to be checked.
+            }
-     */
+        }
-    private fun isDownloadAllowed(download: Download): Boolean {
-        // If the chapter is already queued, don't add it again
-        if (queue.any { it.chapter.id == download.chapter.id })
-            return false
-
-        val dir = provider.findChapterDir(download.source, download.manga, download.chapter)
-        if (dir != null && dir.exists())
-            return false
-
-        return true
     }
 
     /**
@@ -272,10 +257,10 @@ class Downloader(private val context: Context, private val provider: DownloadPro
      *
      * @param download the chapter to be downloaded.
      */
-    private fun downloadChapter(download: Download): Observable<Download> {
+    private fun downloadChapter(download: Download): Observable<Download> = Observable.defer {
         val chapterDirname = provider.getChapterDirName(download.chapter)
-        val mangaDir = provider.getMangaDir(download.source, download.manga)
+        val mangaDir = provider.getMangaDir(download.manga, download.source)
-        val tmpDir = mangaDir.createDirectory("${chapterDirname}_tmp")
+        val tmpDir = mangaDir.createDirectory(chapterDirname + TMP_DIR_SUFFIX)
 
         val pageListObservable = if (download.pages == null) {
             // Pull page list from network and add them to download object
@@ -291,8 +276,8 @@ class Downloader(private val context: Context, private val provider: DownloadPro
             Observable.just(download.pages!!)
         }
 
-        return pageListObservable
+        pageListObservable
-                .doOnNext { pages ->
+            .doOnNext { _ ->
                 // Delete all temporary (unfinished) files
                 tmpDir.listFiles()
                     ?.filter { it.name!!.endsWith(".tmp") }
@@ -306,18 +291,17 @@ class Downloader(private val context: Context, private val provider: DownloadPro
             // Start downloading images, consider we can have downloaded images already
             .concatMap { page -> getOrDownloadImage(page, download, tmpDir) }
             // Do when page is downloaded.
-                .doOnNext { notifier.onProgressChange(download, queue) }
+            .doOnNext { notifier.onProgressChange(download) }
             .toList()
-                .map { pages -> download }
+            .map { download }
             // Do after download completes
-                .doOnNext { ensureSuccessfulDownload(download, tmpDir, chapterDirname) }
+            .doOnNext { ensureSuccessfulDownload(download, mangaDir, tmpDir, chapterDirname) }
             // If the page list threw, it will resume here
             .onErrorReturn { error ->
                 download.status = Download.ERROR
                 notifier.onError(error.message, download.chapter.name)
                 download
             }
-                .subscribeOn(Schedulers.io())
     }
 
     /**
@@ -330,8 +314,9 @@ class Downloader(private val context: Context, private val provider: DownloadPro
      */
     private fun getOrDownloadImage(page: Page, download: Download, tmpDir: UniFile): Observable<Page> {
         // If the image URL is empty, do nothing
-        if (page.imageUrl == null)
+        if (page.imageUrl == null) {
             return Observable.just(page)
+        }
 
         val filename = String.format("%03d", page.number)
         val tmpFile = tmpDir.findFile("$filename.tmp")
@@ -343,10 +328,11 @@ class Downloader(private val context: Context, private val provider: DownloadPro
         val imageFile = tmpDir.listFiles()!!.find { it.name!!.startsWith("$filename.") }
 
         // If the image is already downloaded, do nothing. Otherwise download from network
-        val pageObservable = if (imageFile != null)
+        val pageObservable = when {
-            Observable.just(imageFile)
+            imageFile != null -> Observable.just(imageFile)
-        else
+            chapterCache.isImageInCache(page.imageUrl!!) -> copyImageFromCache(chapterCache.getImageFile(page.imageUrl!!), tmpDir, filename)
-            downloadImage(page, download.source, tmpDir, filename)
+            else -> downloadImage(page, download.source, tmpDir, filename)
+        }
 
         return pageObservable
             // When the image is ready, set image path, progress (just in case) and status
@@ -380,7 +366,7 @@ class Downloader(private val context: Context, private val provider: DownloadPro
             .map { response ->
                 val file = tmpDir.createFile("$filename.tmp")
                 try {
-                        response.body()!!.source().saveTo(file.openOutputStream())
+                    response.body!!.source().saveTo(file.openOutputStream())
                     val extension = getImageExtension(response, file)
                     file.renameTo("$filename.$extension")
                 } catch (e: Exception) {
@@ -394,6 +380,28 @@ class Downloader(private val context: Context, private val provider: DownloadPro
             .retryWhen(RetryWithDelay(3, { (2 shl it - 1) * 1000 }, Schedulers.trampoline()))
     }
 
+    /**
+     * Return the observable which copies the image from cache.
+     *
+     * @param cacheFile the file from cache.
+     * @param tmpDir the temporary directory of the download.
+     * @param filename the filename of the image.
+     */
+    private fun copyImageFromCache(cacheFile: File, tmpDir: UniFile, filename: String): Observable<UniFile> {
+        return Observable.just(cacheFile).map {
+            val tmpFile = tmpDir.createFile("$filename.tmp")
+            cacheFile.inputStream().use { input ->
+                tmpFile.openOutputStream().use { output ->
+                    input.copyTo(output)
+                }
+            }
+            val extension = ImageUtil.findImageType(cacheFile.inputStream()) ?: return@map tmpFile
+            tmpFile.renameTo("$filename.${extension.extension}")
+            cacheFile.delete()
+            tmpFile
+        }
+    }
+
     /**
      * Returns the extension of the downloaded image from the network response, or if it's null,
      * analyze the file. If everything fails, assume it's a jpg.
@@ -403,11 +411,11 @@ class Downloader(private val context: Context, private val provider: DownloadPro
      */
     private fun getImageExtension(response: Response, file: UniFile): String {
         // Read content type if available.
-        val mime = response.body()?.contentType()?.let { ct -> "${ct.type()}/${ct.subtype()}" }
+        val mime = response.body?.contentType()?.let { ct -> "${ct.type}/${ct.subtype}" }
             // Else guess from the uri.
             ?: context.contentResolver.getType(file.uri)
             // Else read magic numbers.
-            ?: DiskUtil.findImageMime { file.openInputStream() }
+            ?: ImageUtil.findImageType { file.openInputStream() }?.mime
 
         return MimeTypeMap.getSingleton().getExtensionFromMimeType(mime) ?: "jpg"
     }
@@ -416,10 +424,16 @@ class Downloader(private val context: Context, private val provider: DownloadPro
      * Checks if the download was successful.
      *
      * @param download the download to check.
+     * @param mangaDir the manga directory of the download.
      * @param tmpDir the directory where the download is currently stored.
      * @param dirname the real (non temporary) directory name of the download.
      */
-    private fun ensureSuccessfulDownload(download: Download, tmpDir: UniFile, dirname: String) {
+    private fun ensureSuccessfulDownload(
+        download: Download,
+        mangaDir: UniFile,
+        tmpDir: UniFile,
+        dirname: String
+    ) {
         // Ensure that the chapter folder has all the images.
         val downloadedImages = tmpDir.listFiles().orEmpty().filterNot { it.name!!.endsWith(".tmp") }
 
@@ -432,6 +446,9 @@ class Downloader(private val context: Context, private val provider: DownloadPro
         // Only rename the directory if it's downloaded.
         if (download.status == Download.DOWNLOADED) {
             tmpDir.renameTo(dirname)
+            cache.addChapter(dirname, mangaDir, download.manga)
+
+            DiskUtil.createNoMediaFile(tmpDir, context)
         }
     }
 
@@ -443,12 +460,8 @@ class Downloader(private val context: Context, private val provider: DownloadPro
         if (download.status == Download.DOWNLOADED) {
             // remove downloaded chapter from queue
             queue.remove(download)
-            notifier.onProgressChange(queue)
         }
         if (areAllDownloadsFinished()) {
-            if (notifier.isSingleChapter && !notifier.errorThrown) {
-                notifier.onDownloadCompleted(download, queue)
-            }
             DownloadService.stop(context)
         }
     }
@@ -460,4 +473,7 @@ class Downloader(private val context: Context, private val provider: DownloadPro
         return queue.none { it.status <= Download.DOWNLOADING }
     }
 
+    companion object {
+        const val TMP_DIR_SUFFIX = "_tmp"
+    }
 }

app/src/main/java/eu/kanade/tachiyomi/data/download/model/Download.kt

@@ -10,24 +10,44 @@ class Download(val source: HttpSource, val manga: Manga, val chapter: Chapter) {
 
     var pages: List<Page>? = null
 
-    @Volatile @Transient var totalProgress: Int = 0
+    @Volatile
+    @Transient
+    var totalProgress: Int = 0
 
-    @Volatile @Transient var downloadedImages: Int = 0
+    @Volatile
+    @Transient
+    var downloadedImages: Int = 0
 
-    @Volatile @Transient var status: Int = 0
+    @Volatile
+    @Transient
+    var status: Int = 0
         set(status) {
             field = status
             statusSubject?.onNext(this)
+            statusCallback?.invoke(this)
         }
 
-    @Transient private var statusSubject: PublishSubject<Download>? = null
+    @Transient
+    private var statusSubject: PublishSubject<Download>? = null
+
+    @Transient
+    private var statusCallback: ((Download) -> Unit)? = null
+
+    val progress: Int
+        get() {
+            val pages = pages ?: return 0
+            return pages.map(Page::progress).average().toInt()
+        }
 
     fun setStatusSubject(subject: PublishSubject<Download>?) {
         statusSubject = subject
     }
 
-    companion object {
+    fun setStatusCallback(f: ((Download) -> Unit)?) {
+        statusCallback = f
+    }
 
+    companion object {
         const val NOT_DOWNLOADED = 0
         const val QUEUE = 1
         const val DOWNLOADING = 2