Release v0.14.2

Related to #8331. We'll need to revisit some of the get/insert logic to make sure this doesn't actually happen,
but at least it'll stop crashing for now.

.github/ISSUE_TEMPLATE.md

@@ -3,11 +3,11 @@
 I acknowledge that:
 
 - I have updated:
-  - To the latest version of the app (stable is v0.13.6)
+  - To the latest version of the app (stable is v0.14.2)
   - All extensions
 - I have tried the troubleshooting guide: https://tachiyomi.org/help/guides/troubleshooting-problems/
 - If this is an issue with an extension, that I should be opening an issue in https://github.com/tachiyomiorg/tachiyomi-extensions
-- I have searched the existing issues and this is new ticket **NOT** a duplicate or related to another open issue
+- I have searched the existing issues and this is new ticket **NOT** a duplicate or related to another open or closed issue
 - I will fill out the title and the information in this template
 
 Note that the issue will be automatically closed if you do not fill out the title or requested information.

.github/ISSUE_TEMPLATE/report_issue.yml

@@ -45,7 +45,7 @@ body:
       description: |
         If you're experiencing crashes, share the crash logs from **More → Settings → Advanced** then press **Dump crash logs**.
       placeholder: |
-        You can paste the crash logs in pure text or upload it as an attachment.
+        You can paste the crash logs in plain text or upload it as an attachment.
 
   - type: input
     id: tachiyomi-version
@@ -53,7 +53,7 @@ body:
       label: Tachiyomi version
       description: You can find your Tachiyomi version in **More → About**.
       placeholder: |
-        Example: "0.13.6"
+        Example: "0.14.2"
     validations:
       required: true
 
@@ -90,7 +90,7 @@ body:
       label: Acknowledgements
       description: Read this carefully, we will close and ignore your issue if you skimmed through this.
       options:
-        - label: I have searched the existing issues and this is a new ticket, **NOT** a duplicate or related to another open issue.
+        - label: I have searched the existing issues and this is a new ticket, **NOT** a duplicate or related to another open or closed issue.
           required: true
         - label: I have written a short but informative title.
           required: true
@@ -98,7 +98,7 @@ body:
           required: true
         - label: I have tried the [troubleshooting guide](https://tachiyomi.org/help/guides/troubleshooting/).
           required: true
-        - label: I have updated the app to version **[0.13.6](https://github.com/tachiyomiorg/tachiyomi/releases/latest)**.
+        - label: I have updated the app to version **[0.14.2](https://github.com/tachiyomiorg/tachiyomi/releases/latest)**.
           required: true
         - label: I have updated all installed extensions.
           required: true

.github/ISSUE_TEMPLATE/request_feature.yml

@@ -27,13 +27,13 @@ body:
       label: Acknowledgements
       description: Read this carefully, we will close and ignore your issue if you skimmed through this.
       options:
-        - label: I have searched the existing issues and this is a new ticket, **NOT** a duplicate or related to another open issue.
+        - label: I have searched the existing issues and this is a new ticket, **NOT** a duplicate or related to another open or closed issue.
           required: true
         - label: I have written a short but informative title.
           required: true
         - label: If this is an issue with an extension, I should be opening an issue in the [extensions repository](https://github.com/tachiyomiorg/tachiyomi-extensions/issues/new/choose).
           required: true
-        - label: I have updated the app to version **[0.13.6](https://github.com/tachiyomiorg/tachiyomi/releases/latest)**.
+        - label: I have updated the app to version **[0.14.2](https://github.com/tachiyomiorg/tachiyomi/releases/latest)**.
           required: true
         - label: I will fill out all of the requested information in this form.
           required: true

.github/mergify.yml

@@ -0,0 +1,10 @@
+#pull_request_rules:
+#  - name: Automatically merge translations
+#    conditions:
+#      - "author = weblate"
+#      - "-conflict"
+#      - "current-day-of-week = Sat"
+#      - "created-at < 1 day ago"
+#    actions:
+#      merge:
+#        method: squash

.github/renovate.json

@@ -0,0 +1,14 @@
+{
+  "extends": [
+    "config:base"
+  ],
+  "schedule": ["every sunday"],
+  "ignoreDeps": [
+    "androidx.core:core-splashscreen",
+    "androidx.work:work-runtime-ktx",
+    "info.android15.nucleus:nucleus-support-v7",
+    "info.android15.nucleus:nucleus",
+    "com.android.tools:r8",
+    "com.google.guava:guava"
+  ]
+}

.github/workflows/build_pull_request.yml

@@ -3,7 +3,7 @@ on:
   pull_request:
     paths-ignore:
       - '**.md'
-      - 'app/src/main/res/**/strings.xml'
+      - 'i18n/src/main/res/**/strings.xml'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number }}

.github/workflows/build_push.yml

@@ -7,7 +7,7 @@ on:
       - v*
 
 concurrency:
-  group: ${{ github.workflow }}
+  group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
@@ -72,6 +72,10 @@ jobs:
           sha=`sha256sum tachiyomi-x86-${{ env.VERSION_TAG }}.apk | awk '{ print $1 }'`
           echo "APK_X86_SHA=$sha" >> $GITHUB_ENV
           
+          cp app/build/outputs/apk/standard/release/app-standard-x86_64-release-unsigned-signed.apk tachiyomi-x86_64-${{ env.VERSION_TAG }}.apk
+          sha=`sha256sum tachiyomi-x86_64-${{ env.VERSION_TAG }}.apk | awk '{ print $1 }'`
+          echo "APK_X86_64_SHA=$sha" >> $GITHUB_ENV
+
       - name: Create Release
         if: startsWith(github.ref, 'refs/tags/') && github.repository == 'tachiyomiorg/tachiyomi'
         uses: softprops/action-gh-release@v1
@@ -89,11 +93,13 @@ jobs:
             | arm64-v8a | ${{ env.APK_ARM64_V8A_SHA }}
             | armeabi-v7a | ${{ env.APK_ARMEABI_V7A_SHA }}
             | x86 | ${{ env.APK_X86_SHA }} |
+            | x86_64 | ${{ env.APK_X86_64_SHA }} |
           files: |
             tachiyomi-${{ env.VERSION_TAG }}.apk
             tachiyomi-arm64-v8a-${{ env.VERSION_TAG }}.apk
             tachiyomi-armeabi-v7a-${{ env.VERSION_TAG }}.apk
             tachiyomi-x86-${{ env.VERSION_TAG }}.apk
+            tachiyomi-x86_64-${{ env.VERSION_TAG }}.apk
           draft: true
           prerelease: false
         env:

.gitignore

@@ -11,6 +11,3 @@
 /build
 *.apk
 app/**/output.json
-
-# Hebrew assets are copied on build
-app/src/main/res/values-iw/

README.md

@@ -12,7 +12,7 @@ Features include:
 * Online reading from a variety of sources
 * Local reading of downloaded content
 * A configurable reader with multiple viewers, reading directions and other settings.
-* Tracker support: [MyAnimeList](https://myanimelist.net/), [AniList](https://anilist.co/), [Kitsu](https://kitsu.io/), [Shikimori](https://shikimori.one), and [Bangumi](https://bgm.tv/)
+* Tracker support: [MyAnimeList](https://myanimelist.net/), [AniList](https://anilist.co/), [Kitsu](https://kitsu.io/), [MangaUpdates](https://mangaupdates.com), [Shikimori](https://shikimori.one), and [Bangumi](https://bgm.tv/) support
 * Categories to organize your library
 * Light and dark themes
 * Schedule updating your library for new chapters

app/build.gradle.kts

@@ -7,6 +7,7 @@ plugins {
     kotlin("android")
     kotlin("plugin.serialization")
     id("com.github.zellius.shortcut-helper")
+    id("com.squareup.sqldelight")
 }
 
 if (gradle.startParameter.taskRequests.toString().contains("Standard")) {
@@ -15,7 +16,7 @@ if (gradle.startParameter.taskRequests.toString().contains("Standard")) {
 
 shortcutHelper.setFilePath("./shortcuts.xml")
 
-val SUPPORTED_ABIS = setOf("armeabi-v7a", "arm64-v8a", "x86")
+val SUPPORTED_ABIS = setOf("armeabi-v7a", "arm64-v8a", "x86", "x86_64")
 
 android {
     namespace = "eu.kanade.tachiyomi"
@@ -26,8 +27,8 @@ android {
         applicationId = "eu.kanade.tachiyomi"
         minSdk = AndroidConfig.minSdk
         targetSdk = AndroidConfig.targetSdk
-        versionCode = 82
-        versionName = "0.13.6"
+        versionCode = 91
+        versionName = "0.14.2"
 
         buildConfigField("String", "COMMIT_COUNT", "\"${getCommitCount()}\"")
         buildConfigField("String", "COMMIT_SHA", "\"${getGitSha()}\"")
@@ -72,11 +73,22 @@ android {
             signingConfig = debugType.signingConfig
             versionNameSuffix = debugType.versionNameSuffix
             applicationIdSuffix = debugType.applicationIdSuffix
+            matchingFallbacks.add("release")
+        }
+        create("benchmark") {
+            initWith(getByName("release"))
+
+            signingConfig = signingConfigs.getByName("debug")
+            matchingFallbacks.add("release")
+            isDebuggable = false
+            versionNameSuffix = "-benchmark"
+            applicationIdSuffix = ".benchmark"
         }
     }
 
     sourceSets {
         getByName("preview").res.srcDirs("src/debug/res")
+        getByName("benchmark").res.srcDirs("src/debug/res")
     }
 
     flavorDimensions.add("default")
@@ -101,7 +113,6 @@ android {
             "META-INF/README.md",
             "META-INF/NOTICE",
             "META-INF/*.kotlin_module",
-            "META-INF/*.version",
         ))
     }
 
@@ -111,6 +122,7 @@ android {
 
     buildFeatures {
         viewBinding = true
+        compose = true
 
         // Disable some unused things
         aidl = false
@@ -119,11 +131,14 @@ android {
     }
 
     lint {
-        disable.addAll(listOf("MissingTranslation", "ExtraTranslation"))
         abortOnError = false
         checkReleaseBuilds = false
     }
 
+    composeOptions {
+        kotlinCompilerExtensionVersion = compose.versions.compiler.get()
+    }
+
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
         targetCompatibility = JavaVersion.VERSION_1_8
@@ -132,16 +147,50 @@ android {
     kotlinOptions {
         jvmTarget = JavaVersion.VERSION_1_8.toString()
     }
+
+    sqldelight {
+        database("Database") {
+            packageName = "eu.kanade.tachiyomi"
+            dialect = "sqlite:3.24"
+        }
+    }
 }
 
 dependencies {
+    implementation(project(":i18n"))
+    implementation(project(":core"))
+    implementation(project(":source-api"))
+
+    // Compose
+    implementation(platform(compose.bom))
+    implementation(compose.activity)
+    implementation(compose.foundation)
+    implementation(compose.material3.core)
+    implementation(compose.material3.adapter)
+    implementation(compose.material.icons)
+    implementation(compose.animation)
+    implementation(compose.animation.graphics)
+    implementation(compose.ui.tooling)
+    implementation(compose.ui.util)
+    implementation(compose.accompanist.webview)
+    implementation(compose.accompanist.swiperefresh)
+    implementation(compose.accompanist.flowlayout)
+    implementation(compose.accompanist.permissions)
+
+    implementation(androidx.paging.runtime)
+    implementation(androidx.paging.compose)
+
+    implementation(libs.bundles.sqlite)
+    implementation(androidx.sqlite)
+    implementation(libs.sqldelight.android.driver)
+    implementation(libs.sqldelight.coroutines)
+    implementation(libs.sqldelight.android.paging)
+
     implementation(kotlinx.reflect)
 
+    implementation(platform(kotlinx.coroutines.bom))
     implementation(kotlinx.bundles.coroutines)
 
-    // Source models and interfaces from Tachiyomi 1.x
-    implementation(libs.tachiyomi.api)
-
     // AndroidX libraries
     implementation(androidx.annotation)
     implementation(androidx.appcompat)
@@ -151,8 +200,9 @@ dependencies {
     implementation(androidx.corektx)
     implementation(androidx.splashscreen)
     implementation(androidx.recyclerview)
-    implementation(androidx.swiperefreshlayout)
     implementation(androidx.viewpager)
+    implementation(androidx.glance)
+    implementation(androidx.profileinstaller)
 
     implementation(androidx.bundles.lifecycle)
 
@@ -173,9 +223,6 @@ dependencies {
     // Data serialization (JSON, protobuf)
     implementation(kotlinx.bundles.serialization)
 
-    // JavaScript engine
-    implementation(libs.bundles.js.engine)
-
     // HTML parser
     implementation(libs.jsoup)
 
@@ -184,14 +231,8 @@ dependencies {
     implementation(libs.unifile)
     implementation(libs.junrar)
 
-    // Database
-    implementation(libs.bundles.sqlite)
-    implementation("com.github.inorichi.storio:storio-common:8be19de@aar")
-    implementation("com.github.inorichi.storio:storio-sqlite:8be19de@aar")
-
     // Preferences
     implementation(libs.preferencektx)
-    implementation(libs.flowpreferences)
 
     // Model View Presenter
     implementation(libs.bundles.nucleus)
@@ -212,16 +253,18 @@ dependencies {
 
     // UI libraries
     implementation(libs.material)
-    implementation(libs.androidprocessbutton)
     implementation(libs.flexible.adapter.core)
     implementation(libs.flexible.adapter.ui)
-    implementation(libs.viewstatepageradapter)
     implementation(libs.photoview)
     implementation(libs.directionalviewpager) {
         exclude(group = "androidx.viewpager", module = "viewpager")
     }
     implementation(libs.insetter)
     implementation(libs.markwon)
+    implementation(libs.aboutLibraries.compose)
+    implementation(libs.cascade)
+    implementation(libs.numberpicker)
+    implementation(libs.bundles.voyager)
 
     // Conductor
     implementation(libs.bundles.conductor)
@@ -236,9 +279,6 @@ dependencies {
     implementation(libs.acra.http)
     "standardImplementation"(libs.firebase.analytics)
 
-    // Licenses
-    implementation(libs.aboutlibraries.core)
-
     // Shizuku
     implementation(libs.bundles.shizuku)
 
@@ -250,6 +290,20 @@ dependencies {
     implementation(libs.leakcanary.plumber)
 }
 
+androidComponents {
+    beforeVariants { variantBuilder ->
+        // Disables standardBenchmark
+        if (variantBuilder.buildType == "benchmark") {
+            variantBuilder.enable = variantBuilder.productFlavors.containsAll(listOf("default" to "dev"))
+        }
+    }
+    onVariants(selector().withFlavor("default" to "standard")) {
+        // Only excluding in standard flavor because this breaks
+        // Layout Inspector's Compose tree
+        it.packaging.resources.excludes.add("META-INF/*.version")
+    }
+}
+
 tasks {
     withType<Test> {
         useJUnitPlatform()
@@ -258,29 +312,45 @@ tasks {
         }
     }
 
+    withType<org.jmailen.gradle.kotlinter.tasks.LintTask>().configureEach {
+        exclude { it.file.path.contains("generated[\\\\/]".toRegex()) }
+    }
+
     // See https://kotlinlang.org/docs/reference/experimental.html#experimental-status-of-experimental-api(-markers)
     withType<KotlinCompile> {
         kotlinOptions.freeCompilerArgs += listOf(
-            "-opt-in=kotlin.Experimental",
-            "-opt-in=kotlin.RequiresOptIn",
-            "-opt-in=kotlin.ExperimentalStdlibApi",
-            "-opt-in=kotlinx.coroutines.FlowPreview",
+            "-opt-in=coil.annotation.ExperimentalCoilApi",
+            "-opt-in=com.google.accompanist.pager.ExperimentalPagerApi",
+            "-opt-in=com.google.accompanist.permissions.ExperimentalPermissionsApi",
+            "-opt-in=androidx.compose.material.ExperimentalMaterialApi",
+            "-opt-in=androidx.compose.material3.ExperimentalMaterial3Api",
+            "-opt-in=androidx.compose.ui.ExperimentalComposeUiApi",
+            "-opt-in=androidx.compose.foundation.ExperimentalFoundationApi",
+            "-opt-in=androidx.compose.animation.ExperimentalAnimationApi",
+            "-opt-in=androidx.compose.animation.graphics.ExperimentalAnimationGraphicsApi",
             "-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi",
+            "-opt-in=kotlinx.coroutines.FlowPreview",
             "-opt-in=kotlinx.coroutines.InternalCoroutinesApi",
             "-opt-in=kotlinx.serialization.ExperimentalSerializationApi",
-            "-opt-in=coil.annotation.ExperimentalCoilApi",
+        )
+
+        if (project.findProperty("tachiyomi.enableComposeCompilerMetrics") == "true") {
+            kotlinOptions.freeCompilerArgs += listOf(
+                "-P",
+                "plugin:androidx.compose.compiler.plugins.kotlin:reportsDestination=" +
+                    project.buildDir.absolutePath + "/compose_metrics"
+            )
+            kotlinOptions.freeCompilerArgs += listOf(
+                "-P",
+                "plugin:androidx.compose.compiler.plugins.kotlin:metricsDestination=" +
+                    project.buildDir.absolutePath + "/compose_metrics"
             )
         }
-
-    // Duplicating Hebrew string assets due to some locale code issues on different devices
-    val copyHebrewStrings by registering(Copy::class) {
-        from("./src/main/res/values-he")
-        into("./src/main/res/values-iw")
-        include("**/*")
     }
 
     preBuild {
-        dependsOn(formatKotlin, copyHebrewStrings)
+        val ktlintTask = if (System.getenv("GITHUB_BASE_REF") == null) formatKotlin else lintKotlin
+        dependsOn(ktlintTask)
     }
 }
 

app/proguard-android-optimize.txt

@@ -1,4 +1,3 @@
--allowaccessmodification
 -dontusemixedcaseclassnames
 -verbose
 

app/proguard-rules.pro

@@ -1,20 +1,25 @@
 -dontobfuscate
 
-# Keep extension's common dependencies
--keep,allowoptimization class eu.kanade.tachiyomi.** { public protected *; }
--keep,allowoptimization class androidx.preference.** { *; }
+# Keep common dependencies used in extensions
+-keep,allowoptimization class androidx.preference.** { public protected *; }
 -keep,allowoptimization class kotlin.** { public protected *; }
 -keep,allowoptimization class kotlinx.coroutines.** { public protected *; }
+-keep,allowoptimization class kotlinx.serialization.** { public protected *; }
 -keep,allowoptimization class okhttp3.** { public protected *; }
 -keep,allowoptimization class okio.** { public protected *; }
 -keep,allowoptimization class rx.** { public protected *; }
 -keep,allowoptimization class org.jsoup.** { public protected *; }
--keep,allowoptimization class com.google.gson.** { public protected *; }
--keep,allowoptimization class com.github.salomonbrys.kotson.** { public protected *; }
--keep,allowoptimization class com.squareup.duktape.** { public protected *; }
 -keep,allowoptimization class app.cash.quickjs.** { public protected *; }
 -keep,allowoptimization class uy.kohesive.injekt.** { public protected *; }
 
+# From extensions-lib
+-keep,allowoptimization class eu.kanade.tachiyomi.network.interceptor.RateLimitInterceptorKt { public protected *; }
+-keep,allowoptimization class eu.kanade.tachiyomi.network.interceptor.SpecificHostRateLimitInterceptorKt { public protected *; }
+-keep,allowoptimization class eu.kanade.tachiyomi.network.NetworkHelper { public protected *; }
+-keep,allowoptimization class eu.kanade.tachiyomi.network.OkHttpExtensionsKt { public protected *; }
+-keep,allowoptimization class eu.kanade.tachiyomi.network.RequestsKt { public protected *; }
+-keep,allowoptimization class eu.kanade.tachiyomi.AppInfo { public protected *; }
+
 ##---------------Begin: proguard configuration for RxJava 1.x  ----------
 -dontwarn sun.misc.**
 
@@ -34,30 +39,6 @@
 -dontnote rx.internal.util.PlatformDependent
 ##---------------End: proguard configuration for RxJava 1.x  ----------
 
-##---------------Begin: proguard configuration for Gson  ----------
-# Gson uses generic type information stored in a class file when working with fields. Proguard
-# removes such information by default, so configure it to keep all of it.
--keepattributes Signature
-
-# For using GSON @Expose annotation
--keepattributes *Annotation*
-
-# Gson specific classes
--dontwarn sun.misc.**
-
-# Prevent proguard from stripping interface information from TypeAdapter, TypeAdapterFactory,
-# JsonSerializer, JsonDeserializer instances (so they can be used in @JsonAdapter)
--keep class * extends com.google.gson.TypeAdapter
--keep class * implements com.google.gson.TypeAdapterFactory
--keep class * implements com.google.gson.JsonSerializer
--keep class * implements com.google.gson.JsonDeserializer
-
-# Prevent R8 from leaving Data object members always null
--keepclassmembers,allowobfuscation class * {
-  @com.google.gson.annotations.SerializedName <fields>;
-}
-##---------------End: proguard configuration for Gson  ----------
-
 ##---------------Begin: proguard configuration for kotlinx.serialization  ----------
 -keepattributes *Annotation*, InnerClasses
 -dontnote kotlinx.serialization.AnnotationsKt # core serialization annotations
@@ -70,11 +51,11 @@
     kotlinx.serialization.KSerializer serializer(...);
 }
 
--keep,includedescriptorclasses class eu.kanade.tachiyomi.**$$serializer { *; }
--keepclassmembers class eu.kanade.tachiyomi.** {
+-keep,includedescriptorclasses class eu.kanade.**$$serializer { *; }
+-keepclassmembers class eu.kanade.** {
     *** Companion;
 }
--keepclasseswithmembers class eu.kanade.tachiyomi.** {
+-keepclasseswithmembers class eu.kanade.** {
     kotlinx.serialization.KSerializer serializer(...);
 }
 
@@ -83,3 +64,6 @@
     <methods>;
 }
 ##---------------End: proguard configuration for kotlinx.serialization  ----------
+
+# XmlUtil
+-keep public enum nl.adaptivity.xmlutil.EventType { *; }

app/src/main/AndroidManifest.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
 
     <!-- Internet -->
     <uses-permission android:name="android.permission.INTERNET" />
@@ -21,6 +22,12 @@
     <!-- To view extension packages in API 30+ -->
     <uses-permission android:name="android.permission.QUERY_ALL_PACKAGES" />
 
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+
+    <!-- Remove permission from Firebase dependency -->
+    <uses-permission android:name="com.google.android.gms.permission.AD_ID"
+        tools:node="remove" />
+
     <application
         android:name=".App"
         android:allowBackup="false"
@@ -28,12 +35,18 @@
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:largeHeap="true"
+        android:localeConfig="@xml/locales_config"
         android:requestLegacyExternalStorage="true"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:theme="@style/Theme.Tachiyomi"
         android:supportsRtl="true"
         android:networkSecurityConfig="@xml/network_security_config">
 
+        <!-- enable profiling by macrobenchmark -->
+        <profileable
+            android:shell="true"
+            tools:targetApi="q" />
+
         <activity
             android:name=".ui.main.MainActivity"
             android:launchMode="singleTop"
@@ -48,6 +61,12 @@
                 android:name="android.app.shortcuts"
                 android:resource="@xml/shortcuts" />
         </activity>
+
+        <activity
+            android:process=":error_handler"
+            android:name=".crash.CrashActivity"
+            android:exported="false" />
+
         <activity
             android:name=".ui.main.DeepLinkActivity"
             android:launchMode="singleTask"
@@ -167,6 +186,20 @@
             android:name=".data.notification.NotificationReceiver"
             android:exported="false" />
 
+        <receiver
+            android:name=".glance.UpdatesGridGlanceReceiver"
+            android:enabled="@bool/glance_appwidget_available"
+            android:exported="false"
+            android:label="@string/label_recent_updates">
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+            </intent-filter>
+
+            <meta-data
+                android:name="android.appwidget.provider"
+                android:resource="@xml/updates_grid_glance_widget_info" />
+        </receiver>
+
         <service
             android:name=".data.library.LibraryUpdateService"
             android:exported="false" />
@@ -186,6 +219,15 @@
         <service android:name=".extension.util.ExtensionInstallService"
             android:exported="false" />
 
+        <service
+            android:name="androidx.appcompat.app.AppLocalesMetadataHolderService"
+            android:enabled="false"
+            android:exported="false">
+            <meta-data
+                android:name="autoStoreLocales"
+                android:value="true" />
+        </service>
+
         <provider
             android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}.provider"
@@ -204,11 +246,18 @@
             android:exported="true"
             android:permission="android.permission.INTERACT_ACROSS_USERS_FULL" />
 
-        <meta-data android:name="android.webkit.WebView.EnableSafeBrowsing"
+        <meta-data
+            android:name="android.webkit.WebView.EnableSafeBrowsing"
             android:value="false" />
-        <meta-data android:name="android.webkit.WebView.MetricsOptOut"
+        <meta-data
+            android:name="android.webkit.WebView.MetricsOptOut"
             android:value="true" />
 
+        <!-- Disable advertising ID collection for Firebase -->
+        <meta-data
+            android:name="google_analytics_adid_collection_enabled"
+            android:value="false" />
+
     </application>
 
 </manifest>

app/src/main/java/eu/kanade/core/prefs/CheckboxState.kt

@@ -0,0 +1,55 @@
+package eu.kanade.core.prefs
+
+import androidx.compose.ui.state.ToggleableState
+
+sealed class CheckboxState<T>(open val value: T) {
+    abstract fun next(): CheckboxState<T>
+
+    sealed class State<T>(override val value: T) : CheckboxState<T>(value) {
+        data class Checked<T>(override val value: T) : State<T>(value)
+        data class None<T>(override val value: T) : State<T>(value)
+
+        val isChecked: Boolean
+            get() = this is Checked
+
+        override fun next(): CheckboxState<T> {
+            return when (this) {
+                is Checked -> None(value)
+                is None -> Checked(value)
+            }
+        }
+    }
+    sealed class TriState<T>(override val value: T) : CheckboxState<T>(value) {
+        data class Include<T>(override val value: T) : TriState<T>(value)
+        data class Exclude<T>(override val value: T) : TriState<T>(value)
+        data class None<T>(override val value: T) : TriState<T>(value)
+
+        override fun next(): CheckboxState<T> {
+            return when (this) {
+                is Exclude -> None(value)
+                is Include -> Exclude(value)
+                is None -> Include(value)
+            }
+        }
+
+        fun asState(): ToggleableState {
+            return when (this) {
+                is Exclude -> ToggleableState.Indeterminate
+                is Include -> ToggleableState.On
+                is None -> ToggleableState.Off
+            }
+        }
+    }
+}
+
+inline fun <T> T.asCheckboxState(condition: (T) -> Boolean): CheckboxState.State<T> {
+    return if (condition(this)) {
+        CheckboxState.State.Checked(this)
+    } else {
+        CheckboxState.State.None(this)
+    }
+}
+
+inline fun <T> List<T>.mapAsCheckboxState(condition: (T) -> Boolean): List<CheckboxState.State<T>> {
+    return this.map { it.asCheckboxState(condition) }
+}

app/src/main/java/eu/kanade/core/prefs/PreferenceMutableState.kt

@@ -0,0 +1,36 @@
+package eu.kanade.core.prefs
+
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
+import eu.kanade.tachiyomi.core.preference.Preference
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+
+class PreferenceMutableState<T>(
+    private val preference: Preference<T>,
+    scope: CoroutineScope,
+) : MutableState<T> {
+
+    private val state = mutableStateOf(preference.get())
+
+    init {
+        preference.changes()
+            .onEach { state.value = it }
+            .launchIn(scope)
+    }
+
+    override var value: T
+        get() = state.value
+        set(value) {
+            preference.set(value)
+        }
+
+    override fun component1(): T {
+        return state.value
+    }
+
+    override fun component2(): (T) -> Unit {
+        return { preference.set(it) }
+    }
+}

app/src/main/java/eu/kanade/core/util/ListUtils.kt

@@ -0,0 +1,16 @@
+package eu.kanade.core.util
+
+fun <T : R, R : Any> List<T>.insertSeparators(
+    generator: (T?, T?) -> R?,
+): List<R> {
+    if (isEmpty()) return emptyList()
+    val newList = mutableListOf<R>()
+    for (i in -1..lastIndex) {
+        val before = getOrNull(i)
+        before?.let { newList.add(it) }
+        val after = getOrNull(i + 1)
+        val separator = generator.invoke(before, after)
+        separator?.let { newList.add(it) }
+    }
+    return newList
+}

app/src/main/java/eu/kanade/core/util/RxJavaExtensions.kt

@@ -0,0 +1,61 @@
+package eu.kanade.core.util
+
+import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.CoroutineStart
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.channels.awaitClose
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.callbackFlow
+import kotlinx.coroutines.launch
+import rx.Emitter
+import rx.Observable
+import rx.Observer
+import kotlin.coroutines.CoroutineContext
+
+fun <T : Any> Observable<T>.asFlow(): Flow<T> = callbackFlow {
+    val observer = object : Observer<T> {
+        override fun onNext(t: T) {
+            trySend(t)
+        }
+
+        override fun onError(e: Throwable) {
+            close(e)
+        }
+
+        override fun onCompleted() {
+            close()
+        }
+    }
+    val subscription = subscribe(observer)
+    awaitClose { subscription.unsubscribe() }
+}
+
+fun <T : Any> Flow<T>.asObservable(
+    context: CoroutineContext = Dispatchers.Unconfined,
+    backpressureMode: Emitter.BackpressureMode = Emitter.BackpressureMode.NONE,
+): Observable<T> {
+    return Observable.create(
+        { emitter ->
+            /*
+             * ATOMIC is used here to provide stable behaviour of subscribe+dispose pair even if
+             * asObservable is already invoked from unconfined
+             */
+            val job = GlobalScope.launch(context = context, start = CoroutineStart.ATOMIC) {
+                try {
+                    collect { emitter.onNext(it) }
+                    emitter.onCompleted()
+                } catch (e: Throwable) {
+                    // Ignore `CancellationException` as error, since it indicates "normal cancellation"
+                    if (e !is CancellationException) {
+                        emitter.onError(e)
+                    } else {
+                        emitter.onCompleted()
+                    }
+                }
+            }
+            emitter.setCancellation { job.cancel() }
+        },
+        backpressureMode,
+    )
+}

app/src/main/java/eu/kanade/data/AndroidDatabaseHandler.kt

@@ -0,0 +1,90 @@
+package eu.kanade.data
+
+import androidx.paging.PagingSource
+import com.squareup.sqldelight.Query
+import com.squareup.sqldelight.db.SqlDriver
+import com.squareup.sqldelight.runtime.coroutines.asFlow
+import com.squareup.sqldelight.runtime.coroutines.mapToList
+import com.squareup.sqldelight.runtime.coroutines.mapToOne
+import com.squareup.sqldelight.runtime.coroutines.mapToOneOrNull
+import eu.kanade.tachiyomi.Database
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.withContext
+
+class AndroidDatabaseHandler(
+    val db: Database,
+    private val driver: SqlDriver,
+    val queryDispatcher: CoroutineDispatcher = Dispatchers.IO,
+    val transactionDispatcher: CoroutineDispatcher = queryDispatcher,
+) : DatabaseHandler {
+
+    val suspendingTransactionId = ThreadLocal<Int>()
+
+    override suspend fun <T> await(inTransaction: Boolean, block: suspend Database.() -> T): T {
+        return dispatch(inTransaction, block)
+    }
+
+    override suspend fun <T : Any> awaitList(
+        inTransaction: Boolean,
+        block: suspend Database.() -> Query<T>,
+    ): List<T> {
+        return dispatch(inTransaction) { block(db).executeAsList() }
+    }
+
+    override suspend fun <T : Any> awaitOne(
+        inTransaction: Boolean,
+        block: suspend Database.() -> Query<T>,
+    ): T {
+        return dispatch(inTransaction) { block(db).executeAsOne() }
+    }
+
+    override suspend fun <T : Any> awaitOneOrNull(
+        inTransaction: Boolean,
+        block: suspend Database.() -> Query<T>,
+    ): T? {
+        return dispatch(inTransaction) { block(db).executeAsOneOrNull() }
+    }
+
+    override fun <T : Any> subscribeToList(block: Database.() -> Query<T>): Flow<List<T>> {
+        return block(db).asFlow().mapToList(queryDispatcher)
+    }
+
+    override fun <T : Any> subscribeToOne(block: Database.() -> Query<T>): Flow<T> {
+        return block(db).asFlow().mapToOne(queryDispatcher)
+    }
+
+    override fun <T : Any> subscribeToOneOrNull(block: Database.() -> Query<T>): Flow<T?> {
+        return block(db).asFlow().mapToOneOrNull(queryDispatcher)
+    }
+
+    override fun <T : Any> subscribeToPagingSource(
+        countQuery: Database.() -> Query<Long>,
+        queryProvider: Database.(Long, Long) -> Query<T>,
+    ): PagingSource<Long, T> {
+        return QueryPagingSource(
+            handler = this,
+            countQuery = countQuery,
+            queryProvider = { limit, offset ->
+                queryProvider.invoke(db, limit, offset)
+            },
+        )
+    }
+
+    private suspend fun <T> dispatch(inTransaction: Boolean, block: suspend Database.() -> T): T {
+        // Create a transaction if needed and run the calling block inside it.
+        if (inTransaction) {
+            return withTransaction { block(db) }
+        }
+
+        // If we're currently in the transaction thread, there's no need to dispatch our query.
+        if (driver.currentTransaction() != null) {
+            return block(db)
+        }
+
+        // Get the current database context and run the calling block.
+        val context = getCurrentDatabaseContext()
+        return withContext(context) { block(db) }
+    }
+}

app/src/main/java/eu/kanade/data/DatabaseAdapter.kt

@@ -0,0 +1,30 @@
+package eu.kanade.data
+
+import com.squareup.sqldelight.ColumnAdapter
+import eu.kanade.tachiyomi.source.model.UpdateStrategy
+import java.util.Date
+
+val dateAdapter = object : ColumnAdapter<Date, Long> {
+    override fun decode(databaseValue: Long): Date = Date(databaseValue)
+    override fun encode(value: Date): Long = value.time
+}
+
+private const val listOfStringsSeparator = ", "
+val listOfStringsAdapter = object : ColumnAdapter<List<String>, String> {
+    override fun decode(databaseValue: String) =
+        if (databaseValue.isEmpty()) {
+            listOf()
+        } else {
+            databaseValue.split(listOfStringsSeparator)
+        }
+    override fun encode(value: List<String>) = value.joinToString(separator = listOfStringsSeparator)
+}
+
+val updateStrategyAdapter = object : ColumnAdapter<UpdateStrategy, Long> {
+    private val enumValues by lazy { UpdateStrategy.values() }
+
+    override fun decode(databaseValue: Long): UpdateStrategy =
+        enumValues.getOrElse(databaseValue.toInt()) { UpdateStrategy.ALWAYS_UPDATE }
+
+    override fun encode(value: UpdateStrategy): Long = value.ordinal.toLong()
+}

app/src/main/java/eu/kanade/data/DatabaseHandler.kt

@@ -0,0 +1,37 @@
+package eu.kanade.data
+
+import androidx.paging.PagingSource
+import com.squareup.sqldelight.Query
+import eu.kanade.tachiyomi.Database
+import kotlinx.coroutines.flow.Flow
+
+interface DatabaseHandler {
+
+    suspend fun <T> await(inTransaction: Boolean = false, block: suspend Database.() -> T): T
+
+    suspend fun <T : Any> awaitList(
+        inTransaction: Boolean = false,
+        block: suspend Database.() -> Query<T>,
+    ): List<T>
+
+    suspend fun <T : Any> awaitOne(
+        inTransaction: Boolean = false,
+        block: suspend Database.() -> Query<T>,
+    ): T
+
+    suspend fun <T : Any> awaitOneOrNull(
+        inTransaction: Boolean = false,
+        block: suspend Database.() -> Query<T>,
+    ): T?
+
+    fun <T : Any> subscribeToList(block: Database.() -> Query<T>): Flow<List<T>>
+
+    fun <T : Any> subscribeToOne(block: Database.() -> Query<T>): Flow<T>
+
+    fun <T : Any> subscribeToOneOrNull(block: Database.() -> Query<T>): Flow<T?>
+
+    fun <T : Any> subscribeToPagingSource(
+        countQuery: Database.() -> Query<Long>,
+        queryProvider: Database.(Long, Long) -> Query<T>,
+    ): PagingSource<Long, T>
+}

app/src/main/java/eu/kanade/data/QueryPagingSource.kt

@@ -0,0 +1,72 @@
+package eu.kanade.data
+
+import androidx.paging.PagingSource
+import androidx.paging.PagingState
+import com.squareup.sqldelight.Query
+import eu.kanade.tachiyomi.Database
+import kotlin.properties.Delegates
+
+class QueryPagingSource<RowType : Any>(
+    val handler: DatabaseHandler,
+    val countQuery: Database.() -> Query<Long>,
+    val queryProvider: Database.(Long, Long) -> Query<RowType>,
+) : PagingSource<Long, RowType>(), Query.Listener {
+
+    override val jumpingSupported: Boolean = true
+
+    private var currentQuery: Query<RowType>? by Delegates.observable(null) { _, old, new ->
+        old?.removeListener(this)
+        new?.addListener(this)
+    }
+
+    init {
+        registerInvalidatedCallback {
+            currentQuery?.removeListener(this)
+            currentQuery = null
+        }
+    }
+
+    override suspend fun load(params: LoadParams<Long>): LoadResult<Long, RowType> {
+        try {
+            val key = params.key ?: 0L
+            val loadSize = params.loadSize
+            val count = handler.awaitOne { countQuery() }
+
+            val (offset, limit) = when (params) {
+                is LoadParams.Prepend -> key - loadSize to loadSize.toLong()
+                else -> key to loadSize.toLong()
+            }
+
+            val data = handler.awaitList {
+                queryProvider(limit, offset)
+                    .also { currentQuery = it }
+            }
+
+            val (prevKey, nextKey) = when (params) {
+                is LoadParams.Append -> { offset - loadSize to offset + loadSize }
+                else -> { offset to offset + loadSize }
+            }
+
+            return LoadResult.Page(
+                data = data,
+                prevKey = if (offset <= 0L || prevKey < 0L) null else prevKey,
+                nextKey = if (offset + loadSize >= count) null else nextKey,
+                itemsBefore = maxOf(0L, offset).toInt(),
+                itemsAfter = maxOf(0L, count - (offset + loadSize)).toInt(),
+            )
+        } catch (e: Exception) {
+            return LoadResult.Error(throwable = e)
+        }
+    }
+
+    override fun getRefreshKey(state: PagingState<Long, RowType>): Long? {
+        return state.anchorPosition?.let { anchorPosition ->
+            val anchorPage = state.closestPageToPosition(anchorPosition)
+            anchorPage?.prevKey ?: anchorPage?.nextKey
+        }
+    }
+
+    override fun queryResultsChanged() {
+        invalidate()
+    }
+}

app/src/main/java/eu/kanade/data/TransactionContext.kt

@@ -0,0 +1,161 @@
+package eu.kanade.data
+
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.asContextElement
+import kotlinx.coroutines.runBlocking
+import kotlinx.coroutines.suspendCancellableCoroutine
+import kotlinx.coroutines.withContext
+import java.util.concurrent.RejectedExecutionException
+import java.util.concurrent.atomic.AtomicInteger
+import kotlin.coroutines.ContinuationInterceptor
+import kotlin.coroutines.CoroutineContext
+import kotlin.coroutines.EmptyCoroutineContext
+import kotlin.coroutines.coroutineContext
+import kotlin.coroutines.resume
+
+/**
+ * Returns the transaction dispatcher if we are on a transaction, or the database dispatchers.
+ */
+internal suspend fun AndroidDatabaseHandler.getCurrentDatabaseContext(): CoroutineContext {
+    return coroutineContext[TransactionElement]?.transactionDispatcher ?: queryDispatcher
+}
+
+/**
+ * Calls the specified suspending [block] in a database transaction. The transaction will be
+ * marked as successful unless an exception is thrown in the suspending [block] or the coroutine
+ * is cancelled.
+ *
+ * SQLDelight will only perform at most one transaction at a time, additional transactions are queued
+ * and executed on a first come, first serve order.
+ *
+ * Performing blocking database operations is not permitted in a coroutine scope other than the
+ * one received by the suspending block. It is recommended that all [Dao] function invoked within
+ * the [block] be suspending functions.
+ *
+ * The dispatcher used to execute the given [block] will utilize threads from SQLDelight's query executor.
+ */
+internal suspend fun <T> AndroidDatabaseHandler.withTransaction(block: suspend () -> T): T {
+    // Use inherited transaction context if available, this allows nested suspending transactions.
+    val transactionContext =
+        coroutineContext[TransactionElement]?.transactionDispatcher ?: createTransactionContext()
+    return withContext(transactionContext) {
+        val transactionElement = coroutineContext[TransactionElement]!!
+        transactionElement.acquire()
+        try {
+            db.transactionWithResult {
+                runBlocking(transactionContext) {
+                    block()
+                }
+            }
+        } finally {
+            transactionElement.release()
+        }
+    }
+}
+
+/**
+ * Creates a [CoroutineContext] for performing database operations within a coroutine transaction.
+ *
+ * The context is a combination of a dispatcher, a [TransactionElement] and a thread local element.
+ *
+ * * The dispatcher will dispatch coroutines to a single thread that is taken over from the SQLDelight
+ * query executor. If the coroutine context is switched, suspending DAO functions will be able to
+ * dispatch to the transaction thread.
+ *
+ * * The [TransactionElement] serves as an indicator for inherited context, meaning, if there is a
+ * switch of context, suspending DAO methods will be able to use the indicator to dispatch the
+ * database operation to the transaction thread.
+ *
+ * * The thread local element serves as a second indicator and marks threads that are used to
+ * execute coroutines within the coroutine transaction, more specifically it allows us to identify
+ * if a blocking DAO method is invoked within the transaction coroutine. Never assign meaning to
+ * this value, for now all we care is if its present or not.
+ */
+private suspend fun AndroidDatabaseHandler.createTransactionContext(): CoroutineContext {
+    val controlJob = Job()
+    // make sure to tie the control job to this context to avoid blocking the transaction if
+    // context get cancelled before we can even start using this job. Otherwise, the acquired
+    // transaction thread will forever wait for the controlJob to be cancelled.
+    // see b/148181325
+    coroutineContext[Job]?.invokeOnCompletion {
+        controlJob.cancel()
+    }
+
+    val dispatcher = transactionDispatcher.acquireTransactionThread(controlJob)
+    val transactionElement = TransactionElement(controlJob, dispatcher)
+    val threadLocalElement =
+        suspendingTransactionId.asContextElement(System.identityHashCode(controlJob))
+    return dispatcher + transactionElement + threadLocalElement
+}
+
+/**
+ * Acquires a thread from the executor and returns a [ContinuationInterceptor] to dispatch
+ * coroutines to the acquired thread. The [controlJob] is used to control the release of the
+ * thread by cancelling the job.
+ */
+private suspend fun CoroutineDispatcher.acquireTransactionThread(
+    controlJob: Job,
+): ContinuationInterceptor {
+    return suspendCancellableCoroutine { continuation ->
+        continuation.invokeOnCancellation {
+            // We got cancelled while waiting to acquire a thread, we can't stop our attempt to
+            // acquire a thread, but we can cancel the controlling job so once it gets acquired it
+            // is quickly released.
+            controlJob.cancel()
+        }
+        try {
+            dispatch(EmptyCoroutineContext) {
+                runBlocking {
+                    // Thread acquired, resume coroutine.
+                    continuation.resume(coroutineContext[ContinuationInterceptor]!!)
+                    controlJob.join()
+                }
+            }
+        } catch (ex: RejectedExecutionException) {
+            // Couldn't acquire a thread, cancel coroutine.
+            continuation.cancel(
+                IllegalStateException(
+                    "Unable to acquire a thread to perform the database transaction.",
+                    ex,
+                ),
+            )
+        }
+    }
+}
+
+/**
+ * A [CoroutineContext.Element] that indicates there is an on-going database transaction.
+ */
+private class TransactionElement(
+    private val transactionThreadControlJob: Job,
+    val transactionDispatcher: ContinuationInterceptor,
+) : CoroutineContext.Element {
+
+    companion object Key : CoroutineContext.Key<TransactionElement>
+
+    override val key: CoroutineContext.Key<TransactionElement>
+        get() = TransactionElement
+
+    /**
+     * Number of transactions (including nested ones) started with this element.
+     * Call [acquire] to increase the count and [release] to decrease it. If the count reaches zero
+     * when [release] is invoked then the transaction job is cancelled and the transaction thread
+     * is released.
+     */
+    private val referenceCount = AtomicInteger(0)
+
+    fun acquire() {
+        referenceCount.incrementAndGet()
+    }
+
+    fun release() {
+        val count = referenceCount.decrementAndGet()
+        if (count < 0) {
+            throw IllegalStateException("Transaction was never started or was already released.")
+        } else if (count == 0) {
+            // Cancel the job that controls the transaction thread, causing it to be released.
+            transactionThreadControlJob.cancel()
+        }
+    }
+}

app/src/main/java/eu/kanade/data/category/CategoryMapper.kt

@@ -0,0 +1,12 @@
+package eu.kanade.data.category
+
+import eu.kanade.domain.category.model.Category
+
+val categoryMapper: (Long, String, Long, Long) -> Category = { id, name, order, flags ->
+    Category(
+        id = id,
+        name = name,
+        order = order,
+        flags = flags,
+    )
+}

app/src/main/java/eu/kanade/data/category/CategoryRepositoryImpl.kt

@@ -0,0 +1,84 @@
+package eu.kanade.data.category
+
+import eu.kanade.data.DatabaseHandler
+import eu.kanade.domain.category.model.Category
+import eu.kanade.domain.category.model.CategoryUpdate
+import eu.kanade.domain.category.repository.CategoryRepository
+import eu.kanade.tachiyomi.Database
+import kotlinx.coroutines.flow.Flow
+
+class CategoryRepositoryImpl(
+    private val handler: DatabaseHandler,
+) : CategoryRepository {
+
+    override suspend fun get(id: Long): Category? {
+        return handler.awaitOneOrNull { categoriesQueries.getCategory(id, categoryMapper) }
+    }
+
+    override suspend fun getAll(): List<Category> {
+        return handler.awaitList { categoriesQueries.getCategories(categoryMapper) }
+    }
+
+    override fun getAllAsFlow(): Flow<List<Category>> {
+        return handler.subscribeToList { categoriesQueries.getCategories(categoryMapper) }
+    }
+
+    override suspend fun getCategoriesByMangaId(mangaId: Long): List<Category> {
+        return handler.awaitList {
+            categoriesQueries.getCategoriesByMangaId(mangaId, categoryMapper)
+        }
+    }
+
+    override fun getCategoriesByMangaIdAsFlow(mangaId: Long): Flow<List<Category>> {
+        return handler.subscribeToList {
+            categoriesQueries.getCategoriesByMangaId(mangaId, categoryMapper)
+        }
+    }
+
+    override suspend fun insert(category: Category) {
+        handler.await {
+            categoriesQueries.insert(
+                name = category.name,
+                order = category.order,
+                flags = category.flags,
+            )
+        }
+    }
+
+    override suspend fun updatePartial(update: CategoryUpdate) {
+        handler.await {
+            updatePartialBlocking(update)
+        }
+    }
+
+    override suspend fun updatePartial(updates: List<CategoryUpdate>) {
+        handler.await(inTransaction = true) {
+            for (update in updates) {
+                updatePartialBlocking(update)
+            }
+        }
+    }
+
+    private fun Database.updatePartialBlocking(update: CategoryUpdate) {
+        categoriesQueries.update(
+            name = update.name,
+            order = update.order,
+            flags = update.flags,
+            categoryId = update.id,
+        )
+    }
+
+    override suspend fun updateAllFlags(flags: Long?) {
+        handler.await {
+            categoriesQueries.updateAllFlags(flags)
+        }
+    }
+
+    override suspend fun delete(categoryId: Long) {
+        handler.await {
+            categoriesQueries.delete(
+                categoryId = categoryId,
+            )
+        }
+    }
+}

app/src/main/java/eu/kanade/data/chapter/ChapterMapper.kt

@@ -0,0 +1,21 @@
+package eu.kanade.data.chapter
+
+import eu.kanade.domain.chapter.model.Chapter
+
+val chapterMapper: (Long, Long, String, String, String?, Boolean, Boolean, Long, Float, Long, Long, Long) -> Chapter =
+    { id, mangaId, url, name, scanlator, read, bookmark, lastPageRead, chapterNumber, sourceOrder, dateFetch, dateUpload ->
+        Chapter(
+            id = id,
+            mangaId = mangaId,
+            read = read,
+            bookmark = bookmark,
+            lastPageRead = lastPageRead,
+            dateFetch = dateFetch,
+            sourceOrder = sourceOrder,
+            url = url,
+            name = name,
+            dateUpload = dateUpload,
+            chapterNumber = chapterNumber,
+            scanlator = scanlator,
+        )
+    }

app/src/main/java/eu/kanade/data/chapter/ChapterRepositoryImpl.kt

@@ -0,0 +1,99 @@
+package eu.kanade.data.chapter
+
+import eu.kanade.data.DatabaseHandler
+import eu.kanade.domain.chapter.model.Chapter
+import eu.kanade.domain.chapter.model.ChapterUpdate
+import eu.kanade.domain.chapter.repository.ChapterRepository
+import eu.kanade.tachiyomi.util.system.logcat
+import eu.kanade.tachiyomi.util.system.toLong
+import kotlinx.coroutines.flow.Flow
+import logcat.LogPriority
+
+class ChapterRepositoryImpl(
+    private val handler: DatabaseHandler,
+) : ChapterRepository {
+
+    override suspend fun addAll(chapters: List<Chapter>): List<Chapter> {
+        return try {
+            handler.await(inTransaction = true) {
+                chapters.map { chapter ->
+                    chaptersQueries.insert(
+                        chapter.mangaId,
+                        chapter.url,
+                        chapter.name,
+                        chapter.scanlator,
+                        chapter.read,
+                        chapter.bookmark,
+                        chapter.lastPageRead,
+                        chapter.chapterNumber,
+                        chapter.sourceOrder,
+                        chapter.dateFetch,
+                        chapter.dateUpload,
+                    )
+                    val lastInsertId = chaptersQueries.selectLastInsertedRowId().executeAsOne()
+                    chapter.copy(id = lastInsertId)
+                }
+            }
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            emptyList()
+        }
+    }
+
+    override suspend fun update(chapterUpdate: ChapterUpdate) {
+        partialUpdate(chapterUpdate)
+    }
+
+    override suspend fun updateAll(chapterUpdates: List<ChapterUpdate>) {
+        partialUpdate(*chapterUpdates.toTypedArray())
+    }
+
+    private suspend fun partialUpdate(vararg chapterUpdates: ChapterUpdate) {
+        handler.await(inTransaction = true) {
+            chapterUpdates.forEach { chapterUpdate ->
+                chaptersQueries.update(
+                    mangaId = chapterUpdate.mangaId,
+                    url = chapterUpdate.url,
+                    name = chapterUpdate.name,
+                    scanlator = chapterUpdate.scanlator,
+                    read = chapterUpdate.read?.toLong(),
+                    bookmark = chapterUpdate.bookmark?.toLong(),
+                    lastPageRead = chapterUpdate.lastPageRead,
+                    chapterNumber = chapterUpdate.chapterNumber?.toDouble(),
+                    sourceOrder = chapterUpdate.sourceOrder,
+                    dateFetch = chapterUpdate.dateFetch,
+                    dateUpload = chapterUpdate.dateUpload,
+                    chapterId = chapterUpdate.id,
+                )
+            }
+        }
+    }
+
+    override suspend fun removeChaptersWithIds(chapterIds: List<Long>) {
+        try {
+            handler.await { chaptersQueries.removeChaptersWithIds(chapterIds) }
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+        }
+    }
+
+    override suspend fun getChapterByMangaId(mangaId: Long): List<Chapter> {
+        return handler.awaitList { chaptersQueries.getChaptersByMangaId(mangaId, chapterMapper) }
+    }
+
+    override suspend fun getBookmarkedChaptersByMangaId(mangaId: Long): List<Chapter> {
+        return handler.awaitList { chaptersQueries.getBookmarkedChaptersByMangaId(mangaId, chapterMapper) }
+    }
+
+    override suspend fun getChapterById(id: Long): Chapter? {
+        return handler.awaitOneOrNull { chaptersQueries.getChapterById(id, chapterMapper) }
+    }
+
+    override suspend fun getChapterByMangaIdAsFlow(mangaId: Long): Flow<List<Chapter>> {
+        return handler.subscribeToList { chaptersQueries.getChaptersByMangaId(mangaId, chapterMapper) }
+    }
+
+    override suspend fun getChapterByUrlAndMangaId(url: String, mangaId: Long): Chapter? {
+        return handler.awaitOneOrNull { chaptersQueries.getChapterByUrlAndMangaId(url, mangaId, chapterMapper) }
+    }
+}

app/src/main/java/eu/kanade/data/chapter/CleanupChapterName.kt

@@ -0,0 +1,47 @@
+package eu.kanade.data.chapter
+
+object CleanupChapterName {
+
+    fun await(chapterName: String, mangaTitle: String): String {
+        return chapterName
+            .trim()
+            .removePrefix(mangaTitle)
+            .trim(*CHAPTER_TRIM_CHARS)
+    }
+
+    private val CHAPTER_TRIM_CHARS = arrayOf(
+        // Whitespace
+        ' ',
+        '\u0009',
+        '\u000A',
+        '\u000B',
+        '\u000C',
+        '\u000D',
+        '\u0020',
+        '\u0085',
+        '\u00A0',
+        '\u1680',
+        '\u2000',
+        '\u2001',
+        '\u2002',
+        '\u2003',
+        '\u2004',
+        '\u2005',
+        '\u2006',
+        '\u2007',
+        '\u2008',
+        '\u2009',
+        '\u200A',
+        '\u2028',
+        '\u2029',
+        '\u202F',
+        '\u205F',
+        '\u3000',
+
+        // Separators
+        '-',
+        '_',
+        ',',
+        ':',
+    ).toCharArray()
+}

app/src/main/java/eu/kanade/data/chapter/NoChaptersException.kt

@@ -0,0 +1,3 @@
+package eu.kanade.data.chapter
+
+class NoChaptersException : Exception()

app/src/main/java/eu/kanade/data/history/HistoryMapper.kt

@@ -0,0 +1,35 @@
+package eu.kanade.data.history
+
+import eu.kanade.domain.history.model.History
+import eu.kanade.domain.history.model.HistoryWithRelations
+import eu.kanade.domain.manga.model.MangaCover
+import java.util.Date
+
+val historyMapper: (Long, Long, Date?, Long) -> History = { id, chapterId, readAt, readDuration ->
+    History(
+        id = id,
+        chapterId = chapterId,
+        readAt = readAt,
+        readDuration = readDuration,
+    )
+}
+
+val historyWithRelationsMapper: (Long, Long, Long, String, String?, Long, Boolean, Long, Float, Date?, Long) -> HistoryWithRelations = {
+        historyId, mangaId, chapterId, title, thumbnailUrl, sourceId, isFavorite, coverLastModified, chapterNumber, readAt, readDuration ->
+    HistoryWithRelations(
+        id = historyId,
+        chapterId = chapterId,
+        mangaId = mangaId,
+        title = title,
+        chapterNumber = chapterNumber,
+        readAt = readAt,
+        readDuration = readDuration,
+        coverData = MangaCover(
+            mangaId = mangaId,
+            sourceId = sourceId,
+            isMangaFavorite = isFavorite,
+            url = thumbnailUrl,
+            lastModified = coverLastModified,
+        ),
+    )
+}

app/src/main/java/eu/kanade/data/history/HistoryRepositoryImpl.kt

@@ -0,0 +1,66 @@
+package eu.kanade.data.history
+
+import eu.kanade.data.DatabaseHandler
+import eu.kanade.domain.history.model.HistoryUpdate
+import eu.kanade.domain.history.model.HistoryWithRelations
+import eu.kanade.domain.history.repository.HistoryRepository
+import eu.kanade.tachiyomi.util.system.logcat
+import kotlinx.coroutines.flow.Flow
+import logcat.LogPriority
+
+class HistoryRepositoryImpl(
+    private val handler: DatabaseHandler,
+) : HistoryRepository {
+
+    override fun getHistory(query: String): Flow<List<HistoryWithRelations>> {
+        return handler.subscribeToList {
+            historyViewQueries.history(query, historyWithRelationsMapper)
+        }
+    }
+
+    override suspend fun getLastHistory(): HistoryWithRelations? {
+        return handler.awaitOneOrNull {
+            historyViewQueries.getLatestHistory(historyWithRelationsMapper)
+        }
+    }
+
+    override suspend fun resetHistory(historyId: Long) {
+        try {
+            handler.await { historyQueries.resetHistoryById(historyId) }
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, throwable = e)
+        }
+    }
+
+    override suspend fun resetHistoryByMangaId(mangaId: Long) {
+        try {
+            handler.await { historyQueries.resetHistoryByMangaId(mangaId) }
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, throwable = e)
+        }
+    }
+
+    override suspend fun deleteAllHistory(): Boolean {
+        return try {
+            handler.await { historyQueries.removeAllHistory() }
+            true
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, throwable = e)
+            false
+        }
+    }
+
+    override suspend fun upsertHistory(historyUpdate: HistoryUpdate) {
+        try {
+            handler.await {
+                historyQueries.upsert(
+                    historyUpdate.chapterId,
+                    historyUpdate.readAt,
+                    historyUpdate.sessionReadDuration,
+                )
+            }
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, throwable = e)
+        }
+    }
+}

app/src/main/java/eu/kanade/data/manga/MangaMapper.kt

@@ -0,0 +1,63 @@
+package eu.kanade.data.manga
+
+import eu.kanade.domain.library.model.LibraryManga
+import eu.kanade.domain.manga.model.Manga
+import eu.kanade.tachiyomi.source.model.UpdateStrategy
+
+val mangaMapper: (Long, Long, String, String?, String?, String?, List<String>?, String, Long, String?, Boolean, Long?, Long?, Boolean, Long, Long, Long, Long, UpdateStrategy) -> Manga =
+    { id, source, url, artist, author, description, genre, title, status, thumbnailUrl, favorite, lastUpdate, _, initialized, viewerFlags, chapterFlags, coverLastModified, dateAdded, updateStrategy ->
+        Manga(
+            id = id,
+            source = source,
+            favorite = favorite,
+            lastUpdate = lastUpdate ?: 0,
+            dateAdded = dateAdded,
+            viewerFlags = viewerFlags,
+            chapterFlags = chapterFlags,
+            coverLastModified = coverLastModified,
+            url = url,
+            title = title,
+            artist = artist,
+            author = author,
+            description = description,
+            genre = genre,
+            status = status,
+            thumbnailUrl = thumbnailUrl,
+            updateStrategy = updateStrategy,
+            initialized = initialized,
+        )
+    }
+
+val libraryManga: (Long, Long, String, String?, String?, String?, List<String>?, String, Long, String?, Boolean, Long?, Long?, Boolean, Long, Long, Long, Long, UpdateStrategy, Long, Long, Long, Long, Long, Long, Long) -> LibraryManga =
+    { id, source, url, artist, author, description, genre, title, status, thumbnailUrl, favorite, lastUpdate, nextUpdate, initialized, viewerFlags, chapterFlags, coverLastModified, dateAdded, updateStrategy, totalCount, readCount, latestUpload, chapterFetchedAt, lastRead, bookmarkCount, category ->
+        LibraryManga(
+            manga = mangaMapper(
+                id,
+                source,
+                url,
+                artist,
+                author,
+                description,
+                genre,
+                title,
+                status,
+                thumbnailUrl,
+                favorite,
+                lastUpdate,
+                nextUpdate,
+                initialized,
+                viewerFlags,
+                chapterFlags,
+                coverLastModified,
+                dateAdded,
+                updateStrategy,
+            ),
+            category = category,
+            totalChapters = totalCount,
+            readCount = readCount,
+            bookmarkCount = bookmarkCount,
+            latestUpload = latestUpload,
+            chapterFetchedAt = chapterFetchedAt,
+            lastRead = lastRead,
+        )
+    }

app/src/main/java/eu/kanade/data/manga/MangaRepositoryImpl.kt

@@ -0,0 +1,148 @@
+package eu.kanade.data.manga
+
+import eu.kanade.data.DatabaseHandler
+import eu.kanade.data.listOfStringsAdapter
+import eu.kanade.data.updateStrategyAdapter
+import eu.kanade.domain.library.model.LibraryManga
+import eu.kanade.domain.manga.model.Manga
+import eu.kanade.domain.manga.model.MangaUpdate
+import eu.kanade.domain.manga.repository.MangaRepository
+import eu.kanade.tachiyomi.util.system.logcat
+import eu.kanade.tachiyomi.util.system.toLong
+import kotlinx.coroutines.flow.Flow
+import logcat.LogPriority
+
+class MangaRepositoryImpl(
+    private val handler: DatabaseHandler,
+) : MangaRepository {
+
+    override suspend fun getMangaById(id: Long): Manga {
+        return handler.awaitOne { mangasQueries.getMangaById(id, mangaMapper) }
+    }
+
+    override suspend fun getMangaByIdAsFlow(id: Long): Flow<Manga> {
+        return handler.subscribeToOne { mangasQueries.getMangaById(id, mangaMapper) }
+    }
+
+    override suspend fun getMangaByUrlAndSourceId(url: String, sourceId: Long): Manga? {
+        return handler.awaitOneOrNull(inTransaction = true) { mangasQueries.getMangaByUrlAndSource(url, sourceId, mangaMapper) }
+    }
+
+    override fun getMangaByUrlAndSourceIdAsFlow(url: String, sourceId: Long): Flow<Manga?> {
+        return handler.subscribeToOneOrNull { mangasQueries.getMangaByUrlAndSource(url, sourceId, mangaMapper) }
+    }
+
+    override suspend fun getFavorites(): List<Manga> {
+        return handler.awaitList { mangasQueries.getFavorites(mangaMapper) }
+    }
+
+    override suspend fun getLibraryManga(): List<LibraryManga> {
+        return handler.awaitList { libraryViewQueries.library(libraryManga) }
+    }
+
+    override fun getLibraryMangaAsFlow(): Flow<List<LibraryManga>> {
+        return handler.subscribeToList { libraryViewQueries.library(libraryManga) }
+    }
+
+    override fun getFavoritesBySourceId(sourceId: Long): Flow<List<Manga>> {
+        return handler.subscribeToList { mangasQueries.getFavoriteBySourceId(sourceId, mangaMapper) }
+    }
+
+    override suspend fun getDuplicateLibraryManga(title: String, sourceId: Long): Manga? {
+        return handler.awaitOneOrNull {
+            mangasQueries.getDuplicateLibraryManga(title, sourceId, mangaMapper)
+        }
+    }
+
+    override suspend fun resetViewerFlags(): Boolean {
+        return try {
+            handler.await { mangasQueries.resetViewerFlags() }
+            true
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            false
+        }
+    }
+
+    override suspend fun setMangaCategories(mangaId: Long, categoryIds: List<Long>) {
+        handler.await(inTransaction = true) {
+            mangas_categoriesQueries.deleteMangaCategoryByMangaId(mangaId)
+            categoryIds.map { categoryId ->
+                mangas_categoriesQueries.insert(mangaId, categoryId)
+            }
+        }
+    }
+
+    override suspend fun insert(manga: Manga): Long? {
+        return handler.awaitOneOrNull(inTransaction = true) {
+            mangasQueries.insert(
+                source = manga.source,
+                url = manga.url,
+                artist = manga.artist,
+                author = manga.author,
+                description = manga.description,
+                genre = manga.genre,
+                title = manga.title,
+                status = manga.status,
+                thumbnailUrl = manga.thumbnailUrl,
+                favorite = manga.favorite,
+                lastUpdate = manga.lastUpdate,
+                nextUpdate = null,
+                initialized = manga.initialized,
+                viewerFlags = manga.viewerFlags,
+                chapterFlags = manga.chapterFlags,
+                coverLastModified = manga.coverLastModified,
+                dateAdded = manga.dateAdded,
+                updateStrategy = manga.updateStrategy,
+            )
+            mangasQueries.selectLastInsertedRowId()
+        }
+    }
+
+    override suspend fun update(update: MangaUpdate): Boolean {
+        return try {
+            partialUpdate(update)
+            true
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            false
+        }
+    }
+
+    override suspend fun updateAll(mangaUpdates: List<MangaUpdate>): Boolean {
+        return try {
+            partialUpdate(*mangaUpdates.toTypedArray())
+            true
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            false
+        }
+    }
+
+    private suspend fun partialUpdate(vararg mangaUpdates: MangaUpdate) {
+        handler.await(inTransaction = true) {
+            mangaUpdates.forEach { value ->
+                mangasQueries.update(
+                    source = value.source,
+                    url = value.url,
+                    artist = value.artist,
+                    author = value.author,
+                    description = value.description,
+                    genre = value.genre?.let(listOfStringsAdapter::encode),
+                    title = value.title,
+                    status = value.status,
+                    thumbnailUrl = value.thumbnailUrl,
+                    favorite = value.favorite?.toLong(),
+                    lastUpdate = value.lastUpdate,
+                    initialized = value.initialized?.toLong(),
+                    viewer = value.viewerFlags,
+                    chapterFlags = value.chapterFlags,
+                    coverLastModified = value.coverLastModified,
+                    dateAdded = value.dateAdded,
+                    mangaId = value.id,
+                    updateStrategy = value.updateStrategy?.let(updateStrategyAdapter::encode),
+                )
+            }
+        }
+    }
+}

app/src/main/java/eu/kanade/data/source/NoResultsException.kt

@@ -0,0 +1,3 @@
+package eu.kanade.data.source
+
+class NoResultsException : Exception()

app/src/main/java/eu/kanade/data/source/SourceDataRepositoryImpl.kt

@@ -0,0 +1,23 @@
+package eu.kanade.data.source
+
+import eu.kanade.data.DatabaseHandler
+import eu.kanade.domain.source.model.SourceData
+import eu.kanade.domain.source.repository.SourceDataRepository
+import kotlinx.coroutines.flow.Flow
+
+class SourceDataRepositoryImpl(
+    private val handler: DatabaseHandler,
+) : SourceDataRepository {
+
+    override fun subscribeAll(): Flow<List<SourceData>> {
+        return handler.subscribeToList { sourcesQueries.findAll(sourceDataMapper) }
+    }
+
+    override suspend fun getSourceData(id: Long): SourceData? {
+        return handler.awaitOneOrNull { sourcesQueries.findOne(id, sourceDataMapper) }
+    }
+
+    override suspend fun upsertSourceData(id: Long, lang: String, name: String) {
+        handler.await { sourcesQueries.upsert(id, lang, name) }
+    }
+}

app/src/main/java/eu/kanade/data/source/SourceMapper.kt

@@ -0,0 +1,24 @@
+package eu.kanade.data.source
+
+import eu.kanade.domain.source.model.Source
+import eu.kanade.domain.source.model.SourceData
+import eu.kanade.tachiyomi.source.CatalogueSource
+import eu.kanade.tachiyomi.source.SourceManager
+
+val sourceMapper: (eu.kanade.tachiyomi.source.Source) -> Source = { source ->
+    Source(
+        source.id,
+        source.lang,
+        source.name,
+        supportsLatest = false,
+        isStub = source is SourceManager.StubSource,
+    )
+}
+
+val catalogueSourceMapper: (CatalogueSource) -> Source = { source ->
+    sourceMapper(source).copy(supportsLatest = source.supportsLatest)
+}
+
+val sourceDataMapper: (Long, String, String) -> SourceData = { id, lang, name ->
+    SourceData(id, lang, name)
+}

app/src/main/java/eu/kanade/data/source/SourcePagingSource.kt

@@ -0,0 +1,62 @@
+package eu.kanade.data.source
+
+import androidx.paging.PagingState
+import eu.kanade.domain.source.model.SourcePagingSourceType
+import eu.kanade.tachiyomi.source.CatalogueSource
+import eu.kanade.tachiyomi.source.model.FilterList
+import eu.kanade.tachiyomi.source.model.MangasPage
+import eu.kanade.tachiyomi.source.model.SManga
+import eu.kanade.tachiyomi.util.lang.awaitSingle
+import eu.kanade.tachiyomi.util.lang.withIOContext
+
+abstract class SourcePagingSource(
+    protected val source: CatalogueSource,
+) : SourcePagingSourceType() {
+
+    abstract suspend fun requestNextPage(currentPage: Int): MangasPage
+
+    override suspend fun load(params: LoadParams<Long>): LoadResult<Long, SManga> {
+        val page = params.key ?: 1
+
+        val mangasPage = try {
+            withIOContext {
+                requestNextPage(page.toInt())
+                    .takeIf { it.mangas.isNotEmpty() }
+                    ?: throw NoResultsException()
+            }
+        } catch (e: Exception) {
+            return LoadResult.Error(e)
+        }
+
+        return LoadResult.Page(
+            data = mangasPage.mangas,
+            prevKey = null,
+            nextKey = if (mangasPage.hasNextPage) page + 1 else null,
+        )
+    }
+
+    override fun getRefreshKey(state: PagingState<Long, SManga>): Long? {
+        return state.anchorPosition?.let { anchorPosition ->
+            val anchorPage = state.closestPageToPosition(anchorPosition)
+            anchorPage?.prevKey ?: anchorPage?.nextKey
+        }
+    }
+}
+
+class SourceSearchPagingSource(source: CatalogueSource, val query: String, val filters: FilterList) : SourcePagingSource(source) {
+    override suspend fun requestNextPage(currentPage: Int): MangasPage {
+        return source.fetchSearchManga(currentPage, query, filters).awaitSingle()
+    }
+}
+
+class SourcePopularPagingSource(source: CatalogueSource) : SourcePagingSource(source) {
+    override suspend fun requestNextPage(currentPage: Int): MangasPage {
+        return source.fetchPopularManga(currentPage).awaitSingle()
+    }
+}
+
+class SourceLatestPagingSource(source: CatalogueSource) : SourcePagingSource(source) {
+    override suspend fun requestNextPage(currentPage: Int): MangasPage {
+        return source.fetchLatestUpdates(currentPage).awaitSingle()
+    }
+}

app/src/main/java/eu/kanade/data/source/SourceRepositoryImpl.kt

@@ -0,0 +1,74 @@
+package eu.kanade.data.source
+
+import eu.kanade.data.DatabaseHandler
+import eu.kanade.domain.source.model.Source
+import eu.kanade.domain.source.model.SourcePagingSourceType
+import eu.kanade.domain.source.model.SourceWithCount
+import eu.kanade.domain.source.repository.SourceRepository
+import eu.kanade.tachiyomi.source.CatalogueSource
+import eu.kanade.tachiyomi.source.LocalSource
+import eu.kanade.tachiyomi.source.SourceManager
+import eu.kanade.tachiyomi.source.model.FilterList
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+
+class SourceRepositoryImpl(
+    private val sourceManager: SourceManager,
+    private val handler: DatabaseHandler,
+) : SourceRepository {
+
+    override fun getSources(): Flow<List<Source>> {
+        return sourceManager.catalogueSources.map { sources ->
+            sources.map(catalogueSourceMapper)
+        }
+    }
+
+    override fun getOnlineSources(): Flow<List<Source>> {
+        return sourceManager.onlineSources.map { sources ->
+            sources.map(sourceMapper)
+        }
+    }
+
+    override fun getSourcesWithFavoriteCount(): Flow<List<Pair<Source, Long>>> {
+        val sourceIdWithFavoriteCount = handler.subscribeToList { mangasQueries.getSourceIdWithFavoriteCount() }
+        return sourceIdWithFavoriteCount.map { sourceIdsWithCount ->
+            sourceIdsWithCount
+                .filterNot { it.source == LocalSource.ID }
+                .map { (sourceId, count) ->
+                    val source = sourceManager.getOrStub(sourceId).run {
+                        sourceMapper(this)
+                    }
+                    source to count
+                }
+        }
+    }
+
+    override fun getSourcesWithNonLibraryManga(): Flow<List<SourceWithCount>> {
+        val sourceIdWithNonLibraryManga = handler.subscribeToList { mangasQueries.getSourceIdsWithNonLibraryManga() }
+        return sourceIdWithNonLibraryManga.map { sourceId ->
+            sourceId.map { (sourceId, count) ->
+                val source = sourceManager.getOrStub(sourceId)
+                SourceWithCount(sourceMapper(source), count)
+            }
+        }
+    }
+
+    override fun search(
+        sourceId: Long,
+        query: String,
+        filterList: FilterList,
+    ): SourcePagingSourceType {
+        val source = sourceManager.get(sourceId) as CatalogueSource
+        return SourceSearchPagingSource(source, query, filterList)
+    }
+
+    override fun getPopular(sourceId: Long): SourcePagingSourceType {
+        val source = sourceManager.get(sourceId) as CatalogueSource
+        return SourcePopularPagingSource(source)
+    }
+
+    override fun getLatest(sourceId: Long): SourcePagingSourceType {
+        val source = sourceManager.get(sourceId) as CatalogueSource
+        return SourceLatestPagingSource(source)
+    }
+}

app/src/main/java/eu/kanade/data/track/TrackMapper.kt

@@ -0,0 +1,22 @@
+package eu.kanade.data.track
+
+import eu.kanade.domain.track.model.Track
+
+val trackMapper: (Long, Long, Long, Long, Long?, String, Double, Long, Long, Float, String, Long, Long) -> Track =
+    { id, mangaId, syncId, remoteId, libraryId, title, lastChapterRead, totalChapters, status, score, remoteUrl, startDate, finishDate ->
+        Track(
+            id = id,
+            mangaId = mangaId,
+            syncId = syncId,
+            remoteId = remoteId,
+            libraryId = libraryId,
+            title = title,
+            lastChapterRead = lastChapterRead,
+            totalChapters = totalChapters,
+            status = status,
+            score = score,
+            remoteUrl = remoteUrl,
+            startDate = startDate,
+            finishDate = finishDate,
+        )
+    }

app/src/main/java/eu/kanade/data/track/TrackRepositoryImpl.kt

@@ -0,0 +1,67 @@
+package eu.kanade.data.track
+
+import eu.kanade.data.DatabaseHandler
+import eu.kanade.domain.track.model.Track
+import eu.kanade.domain.track.repository.TrackRepository
+import kotlinx.coroutines.flow.Flow
+
+class TrackRepositoryImpl(
+    private val handler: DatabaseHandler,
+) : TrackRepository {
+
+    override suspend fun getTracksByMangaId(mangaId: Long): List<Track> {
+        return handler.awaitList {
+            manga_syncQueries.getTracksByMangaId(mangaId, trackMapper)
+        }
+    }
+
+    override fun getTracksAsFlow(): Flow<List<Track>> {
+        return handler.subscribeToList {
+            manga_syncQueries.getTracks(trackMapper)
+        }
+    }
+
+    override fun getTracksByMangaIdAsFlow(mangaId: Long): Flow<List<Track>> {
+        return handler.subscribeToList {
+            manga_syncQueries.getTracksByMangaId(mangaId, trackMapper)
+        }
+    }
+
+    override suspend fun delete(mangaId: Long, syncId: Long) {
+        handler.await {
+            manga_syncQueries.delete(
+                mangaId = mangaId,
+                syncId = syncId,
+            )
+        }
+    }
+
+    override suspend fun insert(track: Track) {
+        insertValues(track)
+    }
+
+    override suspend fun insertAll(tracks: List<Track>) {
+        insertValues(*tracks.toTypedArray())
+    }
+
+    private suspend fun insertValues(vararg tracks: Track) {
+        handler.await(inTransaction = true) {
+            tracks.forEach { mangaTrack ->
+                manga_syncQueries.insert(
+                    mangaId = mangaTrack.mangaId,
+                    syncId = mangaTrack.syncId,
+                    remoteId = mangaTrack.remoteId,
+                    libraryId = mangaTrack.libraryId,
+                    title = mangaTrack.title,
+                    lastChapterRead = mangaTrack.lastChapterRead,
+                    totalChapters = mangaTrack.totalChapters,
+                    status = mangaTrack.status,
+                    score = mangaTrack.score,
+                    remoteUrl = mangaTrack.remoteUrl,
+                    startDate = mangaTrack.startDate,
+                    finishDate = mangaTrack.finishDate,
+                )
+            }
+        }
+    }
+}

app/src/main/java/eu/kanade/data/updates/UpdatesMapper.kt

@@ -0,0 +1,26 @@
+package eu.kanade.data.updates
+
+import eu.kanade.domain.manga.model.MangaCover
+import eu.kanade.domain.updates.model.UpdatesWithRelations
+
+val updateWithRelationMapper: (Long, String, Long, String, String?, Boolean, Boolean, Long, Boolean, String?, Long, Long, Long) -> UpdatesWithRelations = {
+        mangaId, mangaTitle, chapterId, chapterName, scanlator, read, bookmark, sourceId, favorite, thumbnailUrl, coverLastModified, _, dateFetch ->
+    UpdatesWithRelations(
+        mangaId = mangaId,
+        mangaTitle = mangaTitle,
+        chapterId = chapterId,
+        chapterName = chapterName,
+        scanlator = scanlator,
+        read = read,
+        bookmark = bookmark,
+        sourceId = sourceId,
+        dateFetch = dateFetch,
+        coverData = MangaCover(
+            mangaId = mangaId,
+            sourceId = sourceId,
+            isMangaFavorite = favorite,
+            url = thumbnailUrl,
+            lastModified = coverLastModified,
+        ),
+    )
+}

app/src/main/java/eu/kanade/data/updates/UpdatesRepositoryImpl.kt

@@ -0,0 +1,17 @@
+package eu.kanade.data.updates
+
+import eu.kanade.data.DatabaseHandler
+import eu.kanade.domain.updates.model.UpdatesWithRelations
+import eu.kanade.domain.updates.repository.UpdatesRepository
+import kotlinx.coroutines.flow.Flow
+
+class UpdatesRepositoryImpl(
+    val databaseHandler: DatabaseHandler,
+) : UpdatesRepository {
+
+    override fun subscribeAll(after: Long): Flow<List<UpdatesWithRelations>> {
+        return databaseHandler.subscribeToList {
+            updatesViewQueries.updates(after, updateWithRelationMapper)
+        }
+    }
+}

app/src/main/java/eu/kanade/domain/DomainModule.kt

@@ -0,0 +1,149 @@
+package eu.kanade.domain
+
+import eu.kanade.data.category.CategoryRepositoryImpl
+import eu.kanade.data.chapter.ChapterRepositoryImpl
+import eu.kanade.data.history.HistoryRepositoryImpl
+import eu.kanade.data.manga.MangaRepositoryImpl
+import eu.kanade.data.source.SourceDataRepositoryImpl
+import eu.kanade.data.source.SourceRepositoryImpl
+import eu.kanade.data.track.TrackRepositoryImpl
+import eu.kanade.data.updates.UpdatesRepositoryImpl
+import eu.kanade.domain.category.interactor.CreateCategoryWithName
+import eu.kanade.domain.category.interactor.DeleteCategory
+import eu.kanade.domain.category.interactor.GetCategories
+import eu.kanade.domain.category.interactor.RenameCategory
+import eu.kanade.domain.category.interactor.ReorderCategory
+import eu.kanade.domain.category.interactor.ResetCategoryFlags
+import eu.kanade.domain.category.interactor.SetDisplayModeForCategory
+import eu.kanade.domain.category.interactor.SetMangaCategories
+import eu.kanade.domain.category.interactor.SetSortModeForCategory
+import eu.kanade.domain.category.interactor.UpdateCategory
+import eu.kanade.domain.category.repository.CategoryRepository
+import eu.kanade.domain.chapter.interactor.GetChapter
+import eu.kanade.domain.chapter.interactor.GetChapterByMangaId
+import eu.kanade.domain.chapter.interactor.SetMangaDefaultChapterFlags
+import eu.kanade.domain.chapter.interactor.SetReadStatus
+import eu.kanade.domain.chapter.interactor.ShouldUpdateDbChapter
+import eu.kanade.domain.chapter.interactor.SyncChaptersWithSource
+import eu.kanade.domain.chapter.interactor.SyncChaptersWithTrackServiceTwoWay
+import eu.kanade.domain.chapter.interactor.UpdateChapter
+import eu.kanade.domain.chapter.repository.ChapterRepository
+import eu.kanade.domain.download.interactor.DeleteDownload
+import eu.kanade.domain.extension.interactor.GetExtensionLanguages
+import eu.kanade.domain.extension.interactor.GetExtensionSources
+import eu.kanade.domain.extension.interactor.GetExtensionsByType
+import eu.kanade.domain.history.interactor.DeleteAllHistory
+import eu.kanade.domain.history.interactor.GetHistory
+import eu.kanade.domain.history.interactor.GetNextUnreadChapters
+import eu.kanade.domain.history.interactor.RemoveHistoryById
+import eu.kanade.domain.history.interactor.RemoveHistoryByMangaId
+import eu.kanade.domain.history.interactor.UpsertHistory
+import eu.kanade.domain.history.repository.HistoryRepository
+import eu.kanade.domain.manga.interactor.GetDuplicateLibraryManga
+import eu.kanade.domain.manga.interactor.GetFavorites
+import eu.kanade.domain.manga.interactor.GetLibraryManga
+import eu.kanade.domain.manga.interactor.GetManga
+import eu.kanade.domain.manga.interactor.GetMangaWithChapters
+import eu.kanade.domain.manga.interactor.NetworkToLocalManga
+import eu.kanade.domain.manga.interactor.ResetViewerFlags
+import eu.kanade.domain.manga.interactor.SetMangaChapterFlags
+import eu.kanade.domain.manga.interactor.SetMangaViewerFlags
+import eu.kanade.domain.manga.interactor.UpdateManga
+import eu.kanade.domain.manga.repository.MangaRepository
+import eu.kanade.domain.source.interactor.GetEnabledSources
+import eu.kanade.domain.source.interactor.GetLanguagesWithSources
+import eu.kanade.domain.source.interactor.GetRemoteManga
+import eu.kanade.domain.source.interactor.GetSourcesWithFavoriteCount
+import eu.kanade.domain.source.interactor.GetSourcesWithNonLibraryManga
+import eu.kanade.domain.source.interactor.SetMigrateSorting
+import eu.kanade.domain.source.interactor.ToggleLanguage
+import eu.kanade.domain.source.interactor.ToggleSource
+import eu.kanade.domain.source.interactor.ToggleSourcePin
+import eu.kanade.domain.source.repository.SourceDataRepository
+import eu.kanade.domain.source.repository.SourceRepository
+import eu.kanade.domain.track.interactor.DeleteTrack
+import eu.kanade.domain.track.interactor.GetTracks
+import eu.kanade.domain.track.interactor.GetTracksPerManga
+import eu.kanade.domain.track.interactor.InsertTrack
+import eu.kanade.domain.track.repository.TrackRepository
+import eu.kanade.domain.updates.interactor.GetUpdates
+import eu.kanade.domain.updates.repository.UpdatesRepository
+import uy.kohesive.injekt.api.InjektModule
+import uy.kohesive.injekt.api.InjektRegistrar
+import uy.kohesive.injekt.api.addFactory
+import uy.kohesive.injekt.api.addSingletonFactory
+import uy.kohesive.injekt.api.get
+
+class DomainModule : InjektModule {
+
+    override fun InjektRegistrar.registerInjectables() {
+        addSingletonFactory<CategoryRepository> { CategoryRepositoryImpl(get()) }
+        addFactory { GetCategories(get()) }
+        addFactory { ResetCategoryFlags(get(), get()) }
+        addFactory { SetDisplayModeForCategory(get(), get()) }
+        addFactory { SetSortModeForCategory(get(), get()) }
+        addFactory { CreateCategoryWithName(get(), get()) }
+        addFactory { RenameCategory(get()) }
+        addFactory { ReorderCategory(get()) }
+        addFactory { UpdateCategory(get()) }
+        addFactory { DeleteCategory(get()) }
+
+        addSingletonFactory<MangaRepository> { MangaRepositoryImpl(get()) }
+        addFactory { GetDuplicateLibraryManga(get()) }
+        addFactory { GetFavorites(get()) }
+        addFactory { GetLibraryManga(get()) }
+        addFactory { GetMangaWithChapters(get(), get()) }
+        addFactory { GetManga(get()) }
+        addFactory { GetNextUnreadChapters(get(), get(), get()) }
+        addFactory { ResetViewerFlags(get()) }
+        addFactory { SetMangaChapterFlags(get()) }
+        addFactory { SetMangaDefaultChapterFlags(get(), get(), get()) }
+        addFactory { SetMangaViewerFlags(get()) }
+        addFactory { NetworkToLocalManga(get()) }
+        addFactory { UpdateManga(get()) }
+        addFactory { SetMangaCategories(get()) }
+
+        addSingletonFactory<TrackRepository> { TrackRepositoryImpl(get()) }
+        addFactory { DeleteTrack(get()) }
+        addFactory { GetTracksPerManga(get()) }
+        addFactory { GetTracks(get()) }
+        addFactory { InsertTrack(get()) }
+
+        addSingletonFactory<ChapterRepository> { ChapterRepositoryImpl(get()) }
+        addFactory { GetChapter(get()) }
+        addFactory { GetChapterByMangaId(get()) }
+        addFactory { UpdateChapter(get()) }
+        addFactory { SetReadStatus(get(), get(), get(), get()) }
+        addFactory { ShouldUpdateDbChapter() }
+        addFactory { SyncChaptersWithSource(get(), get(), get(), get()) }
+        addFactory { SyncChaptersWithTrackServiceTwoWay(get(), get()) }
+
+        addSingletonFactory<HistoryRepository> { HistoryRepositoryImpl(get()) }
+        addFactory { DeleteAllHistory(get()) }
+        addFactory { GetHistory(get()) }
+        addFactory { UpsertHistory(get()) }
+        addFactory { RemoveHistoryById(get()) }
+        addFactory { RemoveHistoryByMangaId(get()) }
+
+        addFactory { DeleteDownload(get(), get()) }
+
+        addFactory { GetExtensionsByType(get(), get()) }
+        addFactory { GetExtensionSources(get()) }
+        addFactory { GetExtensionLanguages(get(), get()) }
+
+        addSingletonFactory<UpdatesRepository> { UpdatesRepositoryImpl(get()) }
+        addFactory { GetUpdates(get(), get()) }
+
+        addSingletonFactory<SourceRepository> { SourceRepositoryImpl(get(), get()) }
+        addSingletonFactory<SourceDataRepository> { SourceDataRepositoryImpl(get()) }
+        addFactory { GetEnabledSources(get(), get()) }
+        addFactory { GetLanguagesWithSources(get(), get()) }
+        addFactory { GetRemoteManga(get()) }
+        addFactory { GetSourcesWithFavoriteCount(get(), get()) }
+        addFactory { GetSourcesWithNonLibraryManga(get()) }
+        addFactory { SetMigrateSorting(get()) }
+        addFactory { ToggleLanguage(get()) }
+        addFactory { ToggleSource(get()) }
+        addFactory { ToggleSourcePin(get()) }
+    }
+}

app/src/main/java/eu/kanade/domain/backup/service/BackupPreferences.kt

@@ -0,0 +1,16 @@
+package eu.kanade.domain.backup.service
+
+import eu.kanade.tachiyomi.core.preference.PreferenceStore
+import eu.kanade.tachiyomi.core.provider.FolderProvider
+
+class BackupPreferences(
+    private val folderProvider: FolderProvider,
+    private val preferenceStore: PreferenceStore,
+) {
+
+    fun backupsDirectory() = preferenceStore.getString("backup_directory", folderProvider.path())
+
+    fun numberOfBackups() = preferenceStore.getInt("backup_slots", 2)
+
+    fun backupInterval() = preferenceStore.getInt("backup_interval", 12)
+}

app/src/main/java/eu/kanade/domain/base/BasePreferences.kt

@@ -0,0 +1,30 @@
+package eu.kanade.domain.base
+
+import android.content.Context
+import eu.kanade.tachiyomi.core.preference.PreferenceStore
+import eu.kanade.tachiyomi.core.preference.getEnum
+import eu.kanade.tachiyomi.data.preference.PreferenceValues
+import eu.kanade.tachiyomi.util.system.DeviceUtil
+import eu.kanade.tachiyomi.util.system.isPreviewBuildType
+import eu.kanade.tachiyomi.util.system.isReleaseBuildType
+
+class BasePreferences(
+    val context: Context,
+    private val preferenceStore: PreferenceStore,
+) {
+
+    fun confirmExit() = preferenceStore.getBoolean("pref_confirm_exit", false)
+
+    fun downloadedOnly() = preferenceStore.getBoolean("pref_downloaded_only", false)
+
+    fun incognitoMode() = preferenceStore.getBoolean("incognito_mode", false)
+
+    fun automaticExtUpdates() = preferenceStore.getBoolean("automatic_ext_updates", true)
+
+    fun extensionInstaller() = preferenceStore.getEnum(
+        "extension_installer",
+        if (DeviceUtil.isMiui) PreferenceValues.ExtensionInstaller.LEGACY else PreferenceValues.ExtensionInstaller.PACKAGEINSTALLER,
+    )
+
+    fun acraEnabled() = preferenceStore.getBoolean("acra.enable", isPreviewBuildType || isReleaseBuildType)
+}

app/src/main/java/eu/kanade/domain/category/interactor/CreateCategoryWithName.kt

@@ -0,0 +1,52 @@
+package eu.kanade.domain.category.interactor
+
+import eu.kanade.domain.category.model.Category
+import eu.kanade.domain.category.model.anyWithName
+import eu.kanade.domain.category.repository.CategoryRepository
+import eu.kanade.domain.library.service.LibraryPreferences
+import eu.kanade.tachiyomi.util.lang.withNonCancellableContext
+import eu.kanade.tachiyomi.util.system.logcat
+import logcat.LogPriority
+
+class CreateCategoryWithName(
+    private val categoryRepository: CategoryRepository,
+    private val preferences: LibraryPreferences,
+) {
+
+    private val initialFlags: Long
+        get() {
+            val sort = preferences.librarySortingMode().get()
+            return preferences.libraryDisplayMode().get().flag or
+                sort.type.flag or
+                sort.direction.flag
+        }
+
+    suspend fun await(name: String): Result = withNonCancellableContext {
+        val categories = categoryRepository.getAll()
+        if (categories.anyWithName(name)) {
+            return@withNonCancellableContext Result.NameAlreadyExistsError
+        }
+
+        val nextOrder = categories.maxOfOrNull { it.order }?.plus(1) ?: 0
+        val newCategory = Category(
+            id = 0,
+            name = name,
+            order = nextOrder,
+            flags = initialFlags,
+        )
+
+        try {
+            categoryRepository.insert(newCategory)
+            Result.Success
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            Result.InternalError(e)
+        }
+    }
+
+    sealed class Result {
+        object Success : Result()
+        object NameAlreadyExistsError : Result()
+        data class InternalError(val error: Throwable) : Result()
+    }
+}

app/src/main/java/eu/kanade/domain/category/interactor/DeleteCategory.kt

@@ -0,0 +1,42 @@
+package eu.kanade.domain.category.interactor
+
+import eu.kanade.domain.category.model.CategoryUpdate
+import eu.kanade.domain.category.repository.CategoryRepository
+import eu.kanade.tachiyomi.util.lang.withNonCancellableContext
+import eu.kanade.tachiyomi.util.system.logcat
+import logcat.LogPriority
+
+class DeleteCategory(
+    private val categoryRepository: CategoryRepository,
+) {
+
+    suspend fun await(categoryId: Long) = withNonCancellableContext {
+        try {
+            categoryRepository.delete(categoryId)
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            return@withNonCancellableContext Result.InternalError(e)
+        }
+
+        val categories = categoryRepository.getAll()
+        val updates = categories.mapIndexed { index, category ->
+            CategoryUpdate(
+                id = category.id,
+                order = index.toLong(),
+            )
+        }
+
+        try {
+            categoryRepository.updatePartial(updates)
+            Result.Success
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            Result.InternalError(e)
+        }
+    }
+
+    sealed class Result {
+        object Success : Result()
+        data class InternalError(val error: Throwable) : Result()
+    }
+}

app/src/main/java/eu/kanade/domain/category/interactor/GetCategories.kt

@@ -0,0 +1,26 @@
+package eu.kanade.domain.category.interactor
+
+import eu.kanade.domain.category.model.Category
+import eu.kanade.domain.category.repository.CategoryRepository
+import kotlinx.coroutines.flow.Flow
+
+class GetCategories(
+    private val categoryRepository: CategoryRepository,
+) {
+
+    fun subscribe(): Flow<List<Category>> {
+        return categoryRepository.getAllAsFlow()
+    }
+
+    fun subscribe(mangaId: Long): Flow<List<Category>> {
+        return categoryRepository.getCategoriesByMangaIdAsFlow(mangaId)
+    }
+
+    suspend fun await(): List<Category> {
+        return categoryRepository.getAll()
+    }
+
+    suspend fun await(mangaId: Long): List<Category> {
+        return categoryRepository.getCategoriesByMangaId(mangaId)
+    }
+}

app/src/main/java/eu/kanade/domain/category/interactor/RenameCategory.kt

@@ -0,0 +1,42 @@
+package eu.kanade.domain.category.interactor
+
+import eu.kanade.domain.category.model.Category
+import eu.kanade.domain.category.model.CategoryUpdate
+import eu.kanade.domain.category.model.anyWithName
+import eu.kanade.domain.category.repository.CategoryRepository
+import eu.kanade.tachiyomi.util.lang.withNonCancellableContext
+import eu.kanade.tachiyomi.util.system.logcat
+import logcat.LogPriority
+
+class RenameCategory(
+    private val categoryRepository: CategoryRepository,
+) {
+
+    suspend fun await(categoryId: Long, name: String) = withNonCancellableContext {
+        val categories = categoryRepository.getAll()
+        if (categories.anyWithName(name)) {
+            return@withNonCancellableContext Result.NameAlreadyExistsError
+        }
+
+        val update = CategoryUpdate(
+            id = categoryId,
+            name = name,
+        )
+
+        try {
+            categoryRepository.updatePartial(update)
+            Result.Success
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            Result.InternalError(e)
+        }
+    }
+
+    suspend fun await(category: Category, name: String) = await(category.id, name)
+
+    sealed class Result {
+        object Success : Result()
+        object NameAlreadyExistsError : Result()
+        data class InternalError(val error: Throwable) : Result()
+    }
+}

app/src/main/java/eu/kanade/domain/category/interactor/ReorderCategory.kt

@@ -0,0 +1,50 @@
+package eu.kanade.domain.category.interactor
+
+import eu.kanade.domain.category.model.Category
+import eu.kanade.domain.category.model.CategoryUpdate
+import eu.kanade.domain.category.repository.CategoryRepository
+import eu.kanade.tachiyomi.util.lang.withNonCancellableContext
+import eu.kanade.tachiyomi.util.system.logcat
+import logcat.LogPriority
+
+class ReorderCategory(
+    private val categoryRepository: CategoryRepository,
+) {
+
+    suspend fun await(categoryId: Long, newPosition: Int) = withNonCancellableContext {
+        val categories = categoryRepository.getAll().filterNot(Category::isSystemCategory)
+
+        val currentIndex = categories.indexOfFirst { it.id == categoryId }
+        if (currentIndex == newPosition) {
+            return@withNonCancellableContext Result.Unchanged
+        }
+
+        val reorderedCategories = categories.toMutableList()
+        val reorderedCategory = reorderedCategories.removeAt(currentIndex)
+        reorderedCategories.add(newPosition, reorderedCategory)
+
+        val updates = reorderedCategories.mapIndexed { index, category ->
+            CategoryUpdate(
+                id = category.id,
+                order = index.toLong(),
+            )
+        }
+
+        try {
+            categoryRepository.updatePartial(updates)
+            Result.Success
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            Result.InternalError(e)
+        }
+    }
+
+    suspend fun await(category: Category, newPosition: Long): Result =
+        await(category.id, newPosition.toInt())
+
+    sealed class Result {
+        object Success : Result()
+        object Unchanged : Result()
+        data class InternalError(val error: Throwable) : Result()
+    }
+}

app/src/main/java/eu/kanade/domain/category/interactor/ResetCategoryFlags.kt

@@ -0,0 +1,17 @@
+package eu.kanade.domain.category.interactor
+
+import eu.kanade.domain.category.repository.CategoryRepository
+import eu.kanade.domain.library.model.plus
+import eu.kanade.domain.library.service.LibraryPreferences
+
+class ResetCategoryFlags(
+    private val preferences: LibraryPreferences,
+    private val categoryRepository: CategoryRepository,
+) {
+
+    suspend fun await() {
+        val display = preferences.libraryDisplayMode().get()
+        val sort = preferences.librarySortingMode().get()
+        categoryRepository.updateAllFlags(display + sort.type + sort.direction)
+    }
+}

app/src/main/java/eu/kanade/domain/category/interactor/SetDisplayModeForCategory.kt

@@ -0,0 +1,34 @@
+package eu.kanade.domain.category.interactor
+
+import eu.kanade.domain.category.model.Category
+import eu.kanade.domain.category.model.CategoryUpdate
+import eu.kanade.domain.category.repository.CategoryRepository
+import eu.kanade.domain.library.model.LibraryDisplayMode
+import eu.kanade.domain.library.model.plus
+import eu.kanade.domain.library.service.LibraryPreferences
+
+class SetDisplayModeForCategory(
+    private val preferences: LibraryPreferences,
+    private val categoryRepository: CategoryRepository,
+) {
+
+    suspend fun await(categoryId: Long, display: LibraryDisplayMode) {
+        val category = categoryRepository.get(categoryId) ?: return
+        val flags = category.flags + display
+        if (preferences.categorizedDisplaySettings().get()) {
+            categoryRepository.updatePartial(
+                CategoryUpdate(
+                    id = category.id,
+                    flags = flags,
+                ),
+            )
+        } else {
+            preferences.libraryDisplayMode().set(display)
+            categoryRepository.updateAllFlags(flags)
+        }
+    }
+
+    suspend fun await(category: Category, display: LibraryDisplayMode) {
+        await(category.id, display)
+    }
+}

app/src/main/java/eu/kanade/domain/category/interactor/SetMangaCategories.kt

@@ -0,0 +1,18 @@
+package eu.kanade.domain.category.interactor
+
+import eu.kanade.domain.manga.repository.MangaRepository
+import eu.kanade.tachiyomi.util.system.logcat
+import logcat.LogPriority
+
+class SetMangaCategories(
+    private val mangaRepository: MangaRepository,
+) {
+
+    suspend fun await(mangaId: Long, categoryIds: List<Long>) {
+        try {
+            mangaRepository.setMangaCategories(mangaId, categoryIds)
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+        }
+    }
+}

app/src/main/java/eu/kanade/domain/category/interactor/SetSortModeForCategory.kt

@@ -0,0 +1,34 @@
+package eu.kanade.domain.category.interactor
+
+import eu.kanade.domain.category.model.Category
+import eu.kanade.domain.category.model.CategoryUpdate
+import eu.kanade.domain.category.repository.CategoryRepository
+import eu.kanade.domain.library.model.LibrarySort
+import eu.kanade.domain.library.model.plus
+import eu.kanade.domain.library.service.LibraryPreferences
+
+class SetSortModeForCategory(
+    private val preferences: LibraryPreferences,
+    private val categoryRepository: CategoryRepository,
+) {
+
+    suspend fun await(categoryId: Long, type: LibrarySort.Type, direction: LibrarySort.Direction) {
+        val category = categoryRepository.get(categoryId) ?: return
+        val flags = category.flags + type + direction
+        if (preferences.categorizedDisplaySettings().get()) {
+            categoryRepository.updatePartial(
+                CategoryUpdate(
+                    id = category.id,
+                    flags = flags,
+                ),
+            )
+        } else {
+            preferences.librarySortingMode().set(LibrarySort(type, direction))
+            categoryRepository.updateAllFlags(flags)
+        }
+    }
+
+    suspend fun await(category: Category, type: LibrarySort.Type, direction: LibrarySort.Direction) {
+        await(category.id, type, direction)
+    }
+}

app/src/main/java/eu/kanade/domain/category/interactor/UpdateCategory.kt

@@ -0,0 +1,24 @@
+package eu.kanade.domain.category.interactor
+
+import eu.kanade.domain.category.model.CategoryUpdate
+import eu.kanade.domain.category.repository.CategoryRepository
+import eu.kanade.tachiyomi.util.lang.withNonCancellableContext
+
+class UpdateCategory(
+    private val categoryRepository: CategoryRepository,
+) {
+
+    suspend fun await(payload: CategoryUpdate): Result = withNonCancellableContext {
+        try {
+            categoryRepository.updatePartial(payload)
+            Result.Success
+        } catch (e: Exception) {
+            Result.Error(e)
+        }
+    }
+
+    sealed class Result {
+        object Success : Result()
+        data class Error(val error: Exception) : Result()
+    }
+}

app/src/main/java/eu/kanade/domain/category/model/Category.kt

@@ -0,0 +1,22 @@
+package eu.kanade.domain.category.model
+
+import java.io.Serializable
+
+data class Category(
+    val id: Long,
+    val name: String,
+    val order: Long,
+    val flags: Long,
+) : Serializable {
+
+    val isSystemCategory: Boolean = id == UNCATEGORIZED_ID
+
+    companion object {
+
+        const val UNCATEGORIZED_ID = 0L
+    }
+}
+
+internal fun List<Category>.anyWithName(name: String): Boolean {
+    return any { name == it.name }
+}

app/src/main/java/eu/kanade/domain/category/model/CategoryUpdate.kt

@@ -0,0 +1,8 @@
+package eu.kanade.domain.category.model
+
+data class CategoryUpdate(
+    val id: Long,
+    val name: String? = null,
+    val order: Long? = null,
+    val flags: Long? = null,
+)

app/src/main/java/eu/kanade/domain/category/repository/CategoryRepository.kt

@@ -0,0 +1,28 @@
+package eu.kanade.domain.category.repository
+
+import eu.kanade.domain.category.model.Category
+import eu.kanade.domain.category.model.CategoryUpdate
+import kotlinx.coroutines.flow.Flow
+
+interface CategoryRepository {
+
+    suspend fun get(id: Long): Category?
+
+    suspend fun getAll(): List<Category>
+
+    fun getAllAsFlow(): Flow<List<Category>>
+
+    suspend fun getCategoriesByMangaId(mangaId: Long): List<Category>
+
+    fun getCategoriesByMangaIdAsFlow(mangaId: Long): Flow<List<Category>>
+
+    suspend fun insert(category: Category)
+
+    suspend fun updatePartial(update: CategoryUpdate)
+
+    suspend fun updatePartial(updates: List<CategoryUpdate>)
+
+    suspend fun updateAllFlags(flags: Long?)
+
+    suspend fun delete(categoryId: Long)
+}

app/src/main/java/eu/kanade/domain/chapter/interactor/GetChapter.kt

@@ -0,0 +1,29 @@
+package eu.kanade.domain.chapter.interactor
+
+import eu.kanade.domain.chapter.model.Chapter
+import eu.kanade.domain.chapter.repository.ChapterRepository
+import eu.kanade.tachiyomi.util.system.logcat
+import logcat.LogPriority
+
+class GetChapter(
+    private val chapterRepository: ChapterRepository,
+) {
+
+    suspend fun await(id: Long): Chapter? {
+        return try {
+            chapterRepository.getChapterById(id)
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            null
+        }
+    }
+
+    suspend fun await(url: String, mangaId: Long): Chapter? {
+        return try {
+            chapterRepository.getChapterByUrlAndMangaId(url, mangaId)
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            null
+        }
+    }
+}

app/src/main/java/eu/kanade/domain/chapter/interactor/GetChapterByMangaId.kt

@@ -0,0 +1,20 @@
+package eu.kanade.domain.chapter.interactor
+
+import eu.kanade.domain.chapter.model.Chapter
+import eu.kanade.domain.chapter.repository.ChapterRepository
+import eu.kanade.tachiyomi.util.system.logcat
+import logcat.LogPriority
+
+class GetChapterByMangaId(
+    private val chapterRepository: ChapterRepository,
+) {
+
+    suspend fun await(mangaId: Long): List<Chapter> {
+        return try {
+            chapterRepository.getChapterByMangaId(mangaId)
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            emptyList()
+        }
+    }
+}

app/src/main/java/eu/kanade/domain/chapter/interactor/SetDefaultChapterSettings.kt

@@ -0,0 +1,36 @@
+package eu.kanade.domain.chapter.interactor
+
+import eu.kanade.domain.library.service.LibraryPreferences
+import eu.kanade.domain.manga.interactor.GetFavorites
+import eu.kanade.domain.manga.interactor.SetMangaChapterFlags
+import eu.kanade.domain.manga.model.Manga
+import eu.kanade.tachiyomi.util.lang.withNonCancellableContext
+
+class SetMangaDefaultChapterFlags(
+    private val libraryPreferences: LibraryPreferences,
+    private val setMangaChapterFlags: SetMangaChapterFlags,
+    private val getFavorites: GetFavorites,
+) {
+
+    suspend fun await(manga: Manga) {
+        withNonCancellableContext {
+            with(libraryPreferences) {
+                setMangaChapterFlags.awaitSetAllFlags(
+                    mangaId = manga.id,
+                    unreadFilter = filterChapterByRead().get(),
+                    downloadedFilter = filterChapterByDownloaded().get(),
+                    bookmarkedFilter = filterChapterByBookmarked().get(),
+                    sortingMode = sortChapterBySourceOrNumber().get(),
+                    sortingDirection = sortChapterByAscendingOrDescending().get(),
+                    displayMode = displayChapterByNameOrNumber().get(),
+                )
+            }
+        }
+    }
+
+    suspend fun awaitAll() {
+        withNonCancellableContext {
+            getFavorites.await().forEach { await(it) }
+        }
+    }
+}

app/src/main/java/eu/kanade/domain/chapter/interactor/SetReadStatus.kt

@@ -0,0 +1,80 @@
+package eu.kanade.domain.chapter.interactor
+
+import eu.kanade.domain.chapter.model.Chapter
+import eu.kanade.domain.chapter.model.ChapterUpdate
+import eu.kanade.domain.chapter.repository.ChapterRepository
+import eu.kanade.domain.download.interactor.DeleteDownload
+import eu.kanade.domain.download.service.DownloadPreferences
+import eu.kanade.domain.manga.model.Manga
+import eu.kanade.domain.manga.repository.MangaRepository
+import eu.kanade.tachiyomi.util.lang.withNonCancellableContext
+import eu.kanade.tachiyomi.util.system.logcat
+import logcat.LogPriority
+
+class SetReadStatus(
+    private val downloadPreferences: DownloadPreferences,
+    private val deleteDownload: DeleteDownload,
+    private val mangaRepository: MangaRepository,
+    private val chapterRepository: ChapterRepository,
+) {
+
+    private val mapper = { chapter: Chapter, read: Boolean ->
+        ChapterUpdate(
+            read = read,
+            lastPageRead = if (!read) 0 else null,
+            id = chapter.id,
+        )
+    }
+
+    suspend fun await(read: Boolean, vararg chapters: Chapter): Result = withNonCancellableContext {
+        val chaptersToUpdate = chapters.filter {
+            when (read) {
+                true -> !it.read
+                false -> it.read || it.lastPageRead > 0
+            }
+        }
+        if (chaptersToUpdate.isEmpty()) {
+            return@withNonCancellableContext Result.NoChapters
+        }
+
+        try {
+            chapterRepository.updateAll(
+                chaptersToUpdate.map { mapper(it, read) },
+            )
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            return@withNonCancellableContext Result.InternalError(e)
+        }
+
+        if (read && downloadPreferences.removeAfterMarkedAsRead().get()) {
+            chaptersToUpdate
+                .groupBy { it.mangaId }
+                .forEach { (mangaId, chapters) ->
+                    deleteDownload.awaitAll(
+                        manga = mangaRepository.getMangaById(mangaId),
+                        chapters = chapters.toTypedArray(),
+                    )
+                }
+        }
+
+        Result.Success
+    }
+
+    suspend fun await(mangaId: Long, read: Boolean): Result = withNonCancellableContext {
+        await(
+            read = read,
+            chapters = chapterRepository
+                .getChapterByMangaId(mangaId)
+                .toTypedArray(),
+        )
+    }
+
+    suspend fun await(manga: Manga, read: Boolean) =
+        await(manga.id, read)
+
+    sealed class Result {
+        object Success : Result()
+        object NoChapters : Result()
+        data class InternalError(val error: Throwable) : Result()
+    }
+}

app/src/main/java/eu/kanade/domain/chapter/interactor/ShouldUpdateDbChapter.kt

@@ -0,0 +1,13 @@
+package eu.kanade.domain.chapter.interactor
+
+import eu.kanade.domain.chapter.model.Chapter
+
+class ShouldUpdateDbChapter {
+
+    fun await(dbChapter: Chapter, sourceChapter: Chapter): Boolean {
+        return dbChapter.scanlator != sourceChapter.scanlator || dbChapter.name != sourceChapter.name ||
+            dbChapter.dateUpload != sourceChapter.dateUpload ||
+            dbChapter.chapterNumber != sourceChapter.chapterNumber ||
+            dbChapter.sourceOrder != sourceChapter.sourceOrder
+    }
+}

app/src/main/java/eu/kanade/domain/chapter/interactor/SyncChaptersWithSource.kt

@@ -0,0 +1,195 @@
+package eu.kanade.domain.chapter.interactor
+
+import eu.kanade.data.chapter.CleanupChapterName
+import eu.kanade.data.chapter.NoChaptersException
+import eu.kanade.domain.chapter.model.Chapter
+import eu.kanade.domain.chapter.model.toChapterUpdate
+import eu.kanade.domain.chapter.model.toDbChapter
+import eu.kanade.domain.chapter.repository.ChapterRepository
+import eu.kanade.domain.manga.interactor.UpdateManga
+import eu.kanade.domain.manga.model.Manga
+import eu.kanade.tachiyomi.data.download.DownloadManager
+import eu.kanade.tachiyomi.data.download.DownloadProvider
+import eu.kanade.tachiyomi.source.Source
+import eu.kanade.tachiyomi.source.isLocal
+import eu.kanade.tachiyomi.source.model.SChapter
+import eu.kanade.tachiyomi.source.online.HttpSource
+import eu.kanade.tachiyomi.util.chapter.ChapterRecognition
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+import java.lang.Long.max
+import java.util.Date
+import java.util.TreeSet
+
+class SyncChaptersWithSource(
+    private val downloadManager: DownloadManager = Injekt.get(),
+    private val downloadProvider: DownloadProvider = Injekt.get(),
+    private val chapterRepository: ChapterRepository = Injekt.get(),
+    private val shouldUpdateDbChapter: ShouldUpdateDbChapter = Injekt.get(),
+    private val updateManga: UpdateManga = Injekt.get(),
+    private val updateChapter: UpdateChapter = Injekt.get(),
+    private val getChapterByMangaId: GetChapterByMangaId = Injekt.get(),
+) {
+
+    /**
+     * Method to synchronize db chapters with source ones
+     *
+     * @param rawSourceChapters the chapters from the source.
+     * @param manga the manga the chapters belong to.
+     * @param source the source the manga belongs to.
+     * @return Newly added chapters
+     */
+    suspend fun await(
+        rawSourceChapters: List<SChapter>,
+        manga: Manga,
+        source: Source,
+    ): List<Chapter> {
+        if (rawSourceChapters.isEmpty() && !source.isLocal()) {
+            throw NoChaptersException()
+        }
+
+        val sourceChapters = rawSourceChapters
+            .distinctBy { it.url }
+            .mapIndexed { i, sChapter ->
+                Chapter.create()
+                    .copyFromSChapter(sChapter)
+                    .copy(name = CleanupChapterName.await(sChapter.name, manga.title))
+                    .copy(mangaId = manga.id, sourceOrder = i.toLong())
+            }
+
+        // Chapters from db.
+        val dbChapters = getChapterByMangaId.await(manga.id)
+
+        // Chapters from the source not in db.
+        val toAdd = mutableListOf<Chapter>()
+
+        // Chapters whose metadata have changed.
+        val toChange = mutableListOf<Chapter>()
+
+        // Chapters from the db not in source.
+        val toDelete = dbChapters.filterNot { dbChapter ->
+            sourceChapters.any { sourceChapter ->
+                dbChapter.url == sourceChapter.url
+            }
+        }
+
+        val rightNow = Date().time
+
+        // Used to not set upload date of older chapters
+        // to a higher value than newer chapters
+        var maxSeenUploadDate = 0L
+
+        val sManga = manga.toSManga()
+        for (sourceChapter in sourceChapters) {
+            var chapter = sourceChapter
+
+            // Update metadata from source if necessary.
+            if (source is HttpSource) {
+                val sChapter = chapter.toSChapter()
+                source.prepareNewChapter(sChapter, sManga)
+                chapter = chapter.copyFromSChapter(sChapter)
+            }
+
+            // Recognize chapter number for the chapter.
+            val chapterNumber = ChapterRecognition.parseChapterNumber(manga.title, chapter.name, chapter.chapterNumber)
+            chapter = chapter.copy(chapterNumber = chapterNumber)
+
+            val dbChapter = dbChapters.find { it.url == chapter.url }
+
+            if (dbChapter == null) {
+                val toAddChapter = if (chapter.dateUpload == 0L) {
+                    val altDateUpload = if (maxSeenUploadDate == 0L) rightNow else maxSeenUploadDate
+                    chapter.copy(dateUpload = altDateUpload)
+                } else {
+                    maxSeenUploadDate = max(maxSeenUploadDate, sourceChapter.dateUpload)
+                    chapter
+                }
+                toAdd.add(toAddChapter)
+            } else {
+                if (shouldUpdateDbChapter.await(dbChapter, chapter)) {
+                    val shouldRenameChapter = downloadProvider.isChapterDirNameChanged(dbChapter, chapter) &&
+                        downloadManager.isChapterDownloaded(dbChapter.name, dbChapter.scanlator, manga.title, manga.source)
+
+                    if (shouldRenameChapter) {
+                        downloadManager.renameChapter(source, manga, dbChapter.toDbChapter(), chapter.toDbChapter())
+                    }
+                    var toChangeChapter = dbChapter.copy(
+                        name = chapter.name,
+                        chapterNumber = chapter.chapterNumber,
+                        scanlator = chapter.scanlator,
+                        sourceOrder = chapter.sourceOrder,
+                    )
+                    if (chapter.dateUpload != 0L) {
+                        toChangeChapter = toChangeChapter.copy(dateUpload = chapter.dateUpload)
+                    }
+                    toChange.add(toChangeChapter)
+                }
+            }
+        }
+
+        // Return if there's nothing to add, delete or change, avoiding unnecessary db transactions.
+        if (toAdd.isEmpty() && toDelete.isEmpty() && toChange.isEmpty()) {
+            return emptyList()
+        }
+
+        val reAdded = mutableListOf<Chapter>()
+
+        val deletedChapterNumbers = TreeSet<Float>()
+        val deletedReadChapterNumbers = TreeSet<Float>()
+        val deletedBookmarkedChapterNumbers = TreeSet<Float>()
+
+        toDelete.forEach { chapter ->
+            if (chapter.read) deletedReadChapterNumbers.add(chapter.chapterNumber)
+            if (chapter.bookmark) deletedBookmarkedChapterNumbers.add(chapter.chapterNumber)
+            deletedChapterNumbers.add(chapter.chapterNumber)
+        }
+
+        val deletedChapterNumberDateFetchMap = toDelete.sortedByDescending { it.dateFetch }
+            .associate { it.chapterNumber to it.dateFetch }
+
+        // Date fetch is set in such a way that the upper ones will have bigger value than the lower ones
+        // Sources MUST return the chapters from most to less recent, which is common.
+        var itemCount = toAdd.size
+        var updatedToAdd = toAdd.map { toAddItem ->
+            var chapter = toAddItem.copy(dateFetch = rightNow + itemCount--)
+
+            if (chapter.isRecognizedNumber.not() || chapter.chapterNumber !in deletedChapterNumbers) return@map chapter
+
+            chapter = chapter.copy(
+                read = chapter.chapterNumber in deletedReadChapterNumbers,
+                bookmark = chapter.chapterNumber in deletedBookmarkedChapterNumbers,
+            )
+
+            // Try to to use the fetch date of the original entry to not pollute 'Updates' tab
+            deletedChapterNumberDateFetchMap[chapter.chapterNumber]?.let {
+                chapter = chapter.copy(dateFetch = it)
+            }
+
+            reAdded.add(chapter)
+
+            chapter
+        }
+
+        if (toDelete.isNotEmpty()) {
+            val toDeleteIds = toDelete.map { it.id }
+            chapterRepository.removeChaptersWithIds(toDeleteIds)
+        }
+
+        if (updatedToAdd.isNotEmpty()) {
+            updatedToAdd = chapterRepository.addAll(updatedToAdd)
+        }
+
+        if (toChange.isNotEmpty()) {
+            val chapterUpdates = toChange.map { it.toChapterUpdate() }
+            updateChapter.awaitAll(chapterUpdates)
+        }
+
+        // Set this manga as updated since chapters were changed
+        // Note that last_update actually represents last time the chapter list changed at all
+        updateManga.awaitUpdateLastUpdate(manga.id)
+
+        val reAddedUrls = reAdded.map { it.url }.toHashSet()
+
+        return updatedToAdd.filterNot { it.url in reAddedUrls }
+    }
+}

app/src/main/java/eu/kanade/domain/chapter/interactor/SyncChaptersWithTrackServiceTwoWay.kt

@@ -0,0 +1,41 @@
+package eu.kanade.domain.chapter.interactor
+
+import eu.kanade.domain.chapter.model.Chapter
+import eu.kanade.domain.chapter.model.toChapterUpdate
+import eu.kanade.domain.track.interactor.InsertTrack
+import eu.kanade.domain.track.model.Track
+import eu.kanade.domain.track.model.toDbTrack
+import eu.kanade.tachiyomi.data.track.TrackService
+import eu.kanade.tachiyomi.util.system.logcat
+import logcat.LogPriority
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+class SyncChaptersWithTrackServiceTwoWay(
+    private val updateChapter: UpdateChapter = Injekt.get(),
+    private val insertTrack: InsertTrack = Injekt.get(),
+) {
+
+    suspend fun await(
+        chapters: List<Chapter>,
+        remoteTrack: Track,
+        service: TrackService,
+    ) {
+        val sortedChapters = chapters.sortedBy { it.chapterNumber }
+        val chapterUpdates = sortedChapters
+            .filter { chapter -> chapter.chapterNumber <= remoteTrack.lastChapterRead && !chapter.read }
+            .map { it.copy(read = true).toChapterUpdate() }
+
+        // only take into account continuous reading
+        val localLastRead = sortedChapters.takeWhile { it.read }.lastOrNull()?.chapterNumber ?: 0F
+        val updatedTrack = remoteTrack.copy(lastChapterRead = localLastRead.toDouble())
+
+        try {
+            service.update(updatedTrack.toDbTrack())
+            updateChapter.awaitAll(chapterUpdates)
+            insertTrack.await(updatedTrack)
+        } catch (e: Throwable) {
+            logcat(LogPriority.WARN, e)
+        }
+    }
+}

app/src/main/java/eu/kanade/domain/chapter/interactor/UpdateChapter.kt

@@ -0,0 +1,27 @@
+package eu.kanade.domain.chapter.interactor
+
+import eu.kanade.domain.chapter.model.ChapterUpdate
+import eu.kanade.domain.chapter.repository.ChapterRepository
+import eu.kanade.tachiyomi.util.system.logcat
+import logcat.LogPriority
+
+class UpdateChapter(
+    private val chapterRepository: ChapterRepository,
+) {
+
+    suspend fun await(chapterUpdate: ChapterUpdate) {
+        try {
+            chapterRepository.update(chapterUpdate)
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+        }
+    }
+
+    suspend fun awaitAll(chapterUpdates: List<ChapterUpdate>) {
+        try {
+            chapterRepository.updateAll(chapterUpdates)
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+        }
+    }
+}

app/src/main/java/eu/kanade/domain/chapter/model/Chapter.kt

@@ -0,0 +1,76 @@
+package eu.kanade.domain.chapter.model
+
+import eu.kanade.tachiyomi.data.database.models.ChapterImpl
+import eu.kanade.tachiyomi.source.model.SChapter
+import eu.kanade.tachiyomi.data.database.models.Chapter as DbChapter
+
+data class Chapter(
+    val id: Long,
+    val mangaId: Long,
+    val read: Boolean,
+    val bookmark: Boolean,
+    val lastPageRead: Long,
+    val dateFetch: Long,
+    val sourceOrder: Long,
+    val url: String,
+    val name: String,
+    val dateUpload: Long,
+    val chapterNumber: Float,
+    val scanlator: String?,
+) {
+    val isRecognizedNumber: Boolean
+        get() = chapterNumber >= 0f
+
+    fun toSChapter(): SChapter {
+        return SChapter.create().also {
+            it.url = url
+            it.name = name
+            it.date_upload = dateUpload
+            it.chapter_number = chapterNumber
+            it.scanlator = scanlator
+        }
+    }
+
+    fun copyFromSChapter(sChapter: SChapter): Chapter {
+        return this.copy(
+            name = sChapter.name,
+            url = sChapter.url,
+            dateUpload = sChapter.date_upload,
+            chapterNumber = sChapter.chapter_number,
+            scanlator = sChapter.scanlator?.ifBlank { null },
+        )
+    }
+
+    companion object {
+        fun create() = Chapter(
+            id = -1,
+            mangaId = -1,
+            read = false,
+            bookmark = false,
+            lastPageRead = 0,
+            dateFetch = 0,
+            sourceOrder = 0,
+            url = "",
+            name = "",
+            dateUpload = -1,
+            chapterNumber = -1f,
+            scanlator = null,
+        )
+    }
+}
+
+// TODO: Remove when all deps are migrated
+fun Chapter.toDbChapter(): DbChapter = ChapterImpl().also {
+    it.id = id
+    it.manga_id = mangaId
+    it.url = url
+    it.name = name
+    it.scanlator = scanlator
+    it.read = read
+    it.bookmark = bookmark
+    it.last_page_read = lastPageRead.toInt()
+    it.date_fetch = dateFetch
+    it.date_upload = dateUpload
+    it.chapter_number = chapterNumber
+    it.source_order = sourceOrder.toInt()
+}

app/src/main/java/eu/kanade/domain/chapter/model/ChapterUpdate.kt

@@ -0,0 +1,20 @@
+package eu.kanade.domain.chapter.model
+
+data class ChapterUpdate(
+    val id: Long,
+    val mangaId: Long? = null,
+    val read: Boolean? = null,
+    val bookmark: Boolean? = null,
+    val lastPageRead: Long? = null,
+    val dateFetch: Long? = null,
+    val sourceOrder: Long? = null,
+    val url: String? = null,
+    val name: String? = null,
+    val dateUpload: Long? = null,
+    val chapterNumber: Float? = null,
+    val scanlator: String? = null,
+)
+
+fun Chapter.toChapterUpdate(): ChapterUpdate {
+    return ChapterUpdate(id, mangaId, read, bookmark, lastPageRead, dateFetch, sourceOrder, url, name, dateUpload, chapterNumber, scanlator)
+}

app/src/main/java/eu/kanade/domain/chapter/repository/ChapterRepository.kt

@@ -0,0 +1,26 @@
+package eu.kanade.domain.chapter.repository
+
+import eu.kanade.domain.chapter.model.Chapter
+import eu.kanade.domain.chapter.model.ChapterUpdate
+import kotlinx.coroutines.flow.Flow
+
+interface ChapterRepository {
+
+    suspend fun addAll(chapters: List<Chapter>): List<Chapter>
+
+    suspend fun update(chapterUpdate: ChapterUpdate)
+
+    suspend fun updateAll(chapterUpdates: List<ChapterUpdate>)
+
+    suspend fun removeChaptersWithIds(chapterIds: List<Long>)
+
+    suspend fun getChapterByMangaId(mangaId: Long): List<Chapter>
+
+    suspend fun getBookmarkedChaptersByMangaId(mangaId: Long): List<Chapter>
+
+    suspend fun getChapterById(id: Long): Chapter?
+
+    suspend fun getChapterByMangaIdAsFlow(mangaId: Long): Flow<List<Chapter>>
+
+    suspend fun getChapterByUrlAndMangaId(url: String, mangaId: Long): Chapter?
+}

app/src/main/java/eu/kanade/domain/download/interactor/DeleteDownload.kt

@@ -0,0 +1,20 @@
+package eu.kanade.domain.download.interactor
+
+import eu.kanade.domain.chapter.model.Chapter
+import eu.kanade.domain.chapter.model.toDbChapter
+import eu.kanade.domain.manga.model.Manga
+import eu.kanade.tachiyomi.data.download.DownloadManager
+import eu.kanade.tachiyomi.source.SourceManager
+import eu.kanade.tachiyomi.util.lang.withNonCancellableContext
+
+class DeleteDownload(
+    private val sourceManager: SourceManager,
+    private val downloadManager: DownloadManager,
+) {
+
+    suspend fun awaitAll(manga: Manga, vararg chapters: Chapter) = withNonCancellableContext {
+        sourceManager.get(manga.source)?.let { source ->
+            downloadManager.deleteChapters(chapters.map { it.toDbChapter() }, manga, source)
+        }
+    }
+}

app/src/main/java/eu/kanade/domain/download/service/DownloadPreferences.kt

@@ -0,0 +1,34 @@
+package eu.kanade.domain.download.service
+
+import eu.kanade.tachiyomi.core.preference.PreferenceStore
+import eu.kanade.tachiyomi.core.provider.FolderProvider
+
+class DownloadPreferences(
+    private val folderProvider: FolderProvider,
+    private val preferenceStore: PreferenceStore,
+) {
+
+    fun downloadsDirectory() = preferenceStore.getString("download_directory", folderProvider.path())
+
+    fun downloadOnlyOverWifi() = preferenceStore.getBoolean("pref_download_only_over_wifi_key", true)
+
+    fun saveChaptersAsCBZ() = preferenceStore.getBoolean("save_chapter_as_cbz", true)
+
+    fun splitTallImages() = preferenceStore.getBoolean("split_tall_images", false)
+
+    fun autoDownloadWhileReading() = preferenceStore.getInt("auto_download_while_reading", 0)
+
+    fun removeAfterReadSlots() = preferenceStore.getInt("remove_after_read_slots", -1)
+
+    fun removeAfterMarkedAsRead() = preferenceStore.getBoolean("pref_remove_after_marked_as_read_key", false)
+
+    fun removeBookmarkedChapters() = preferenceStore.getBoolean("pref_remove_bookmarked", false)
+
+    fun removeExcludeCategories() = preferenceStore.getStringSet("remove_exclude_categories", emptySet())
+
+    fun downloadNewChapters() = preferenceStore.getBoolean("download_new", false)
+
+    fun downloadNewChapterCategories() = preferenceStore.getStringSet("download_new_categories", emptySet())
+
+    fun downloadNewChapterCategoriesExclude() = preferenceStore.getStringSet("download_new_categories_exclude", emptySet())
+}

app/src/main/java/eu/kanade/domain/extension/interactor/GetExtensionLanguages.kt

@@ -0,0 +1,35 @@
+package eu.kanade.domain.extension.interactor
+
+import eu.kanade.domain.source.service.SourcePreferences
+import eu.kanade.tachiyomi.extension.ExtensionManager
+import eu.kanade.tachiyomi.util.system.LocaleHelper
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
+
+class GetExtensionLanguages(
+    private val preferences: SourcePreferences,
+    private val extensionManager: ExtensionManager,
+) {
+    fun subscribe(): Flow<List<String>> {
+        return combine(
+            preferences.enabledLanguages().changes(),
+            extensionManager.availableExtensionsFlow,
+        ) { enabledLanguage, availableExtensions ->
+            availableExtensions
+                .flatMap { ext ->
+                    if (ext.sources.isEmpty()) {
+                        listOf(ext.lang)
+                    } else {
+                        ext.sources.map { it.lang }
+                    }
+                }
+                .distinct()
+                .sortedWith(
+                    compareBy(
+                        { it !in enabledLanguage },
+                        { LocaleHelper.getDisplayName(it) },
+                    ),
+                )
+        }
+    }
+}

app/src/main/java/eu/kanade/domain/extension/interactor/GetExtensionSources.kt

@@ -0,0 +1,32 @@
+package eu.kanade.domain.extension.interactor
+
+import eu.kanade.domain.source.service.SourcePreferences
+import eu.kanade.tachiyomi.extension.model.Extension
+import eu.kanade.tachiyomi.source.Source
+import eu.kanade.tachiyomi.ui.browse.extension.details.ExtensionSourceItem
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+
+class GetExtensionSources(
+    private val preferences: SourcePreferences,
+) {
+
+    fun subscribe(extension: Extension.Installed): Flow<List<ExtensionSourceItem>> {
+        val isMultiSource = extension.sources.size > 1
+        val isMultiLangSingleSource =
+            isMultiSource && extension.sources.map { it.name }.distinct().size == 1
+
+        return preferences.disabledSources().changes().map { disabledSources ->
+            fun Source.isEnabled() = id.toString() !in disabledSources
+
+            extension.sources
+                .map { source ->
+                    ExtensionSourceItem(
+                        source = source,
+                        enabled = source.isEnabled(),
+                        labelAsName = isMultiSource && isMultiLangSingleSource.not(),
+                    )
+                }
+        }
+    }
+}

app/src/main/java/eu/kanade/domain/extension/interactor/GetExtensionsByType.kt

@@ -0,0 +1,60 @@
+package eu.kanade.domain.extension.interactor
+
+import eu.kanade.domain.extension.model.Extensions
+import eu.kanade.domain.source.service.SourcePreferences
+import eu.kanade.tachiyomi.extension.ExtensionManager
+import eu.kanade.tachiyomi.extension.model.Extension
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
+
+class GetExtensionsByType(
+    private val preferences: SourcePreferences,
+    private val extensionManager: ExtensionManager,
+) {
+
+    fun subscribe(): Flow<Extensions> {
+        val showNsfwSources = preferences.showNsfwSource().get()
+
+        return combine(
+            preferences.enabledLanguages().changes(),
+            extensionManager.installedExtensionsFlow,
+            extensionManager.untrustedExtensionsFlow,
+            extensionManager.availableExtensionsFlow,
+        ) { _activeLanguages, _installed, _untrusted, _available ->
+            val (updates, installed) = _installed
+                .filter { (showNsfwSources || it.isNsfw.not()) }
+                .sortedWith(
+                    compareBy<Extension.Installed> { it.isObsolete.not() }
+                        .thenBy(String.CASE_INSENSITIVE_ORDER) { it.name },
+                )
+                .partition { it.hasUpdate }
+
+            val untrusted = _untrusted
+                .sortedWith(compareBy(String.CASE_INSENSITIVE_ORDER) { it.name })
+
+            val available = _available
+                .filter { extension ->
+                    _installed.none { it.pkgName == extension.pkgName } &&
+                        _untrusted.none { it.pkgName == extension.pkgName } &&
+                        (showNsfwSources || extension.isNsfw.not())
+                }
+                .flatMap { ext ->
+                    if (ext.sources.isEmpty()) {
+                        return@flatMap if (ext.lang in _activeLanguages) listOf(ext) else emptyList()
+                    }
+                    ext.sources.filter { it.lang in _activeLanguages }
+                        .map {
+                            ext.copy(
+                                name = it.name,
+                                lang = it.lang,
+                                pkgName = "${ext.pkgName}-${it.id}",
+                                sources = listOf(it),
+                            )
+                        }
+                }
+                .sortedWith(compareBy(String.CASE_INSENSITIVE_ORDER) { it.name })
+
+            Extensions(updates, installed, available, untrusted)
+        }
+    }
+}

app/src/main/java/eu/kanade/domain/extension/model/Extensions.kt

@@ -0,0 +1,10 @@
+package eu.kanade.domain.extension.model
+
+import eu.kanade.tachiyomi.extension.model.Extension
+
+data class Extensions(
+    val updates: List<Extension.Installed>,
+    val installed: List<Extension.Installed>,
+    val available: List<Extension.Available>,
+    val untrusted: List<Extension.Untrusted>,
+)

app/src/main/java/eu/kanade/domain/history/interactor/DeleteAllHistory.kt

@@ -0,0 +1,12 @@
+package eu.kanade.domain.history.interactor
+
+import eu.kanade.domain.history.repository.HistoryRepository
+
+class DeleteAllHistory(
+    private val repository: HistoryRepository,
+) {
+
+    suspend fun await(): Boolean {
+        return repository.deleteAllHistory()
+    }
+}

app/src/main/java/eu/kanade/domain/history/interactor/GetHistory.kt

@@ -0,0 +1,13 @@
+package eu.kanade.domain.history.interactor
+
+import eu.kanade.domain.history.model.HistoryWithRelations
+import eu.kanade.domain.history.repository.HistoryRepository
+import kotlinx.coroutines.flow.Flow
+
+class GetHistory(
+    private val repository: HistoryRepository,
+) {
+    fun subscribe(query: String): Flow<List<HistoryWithRelations>> {
+        return repository.getHistory(query)
+    }
+}

app/src/main/java/eu/kanade/domain/history/interactor/GetNextUnreadChapters.kt

@@ -0,0 +1,33 @@
+package eu.kanade.domain.history.interactor
+
+import eu.kanade.domain.chapter.interactor.GetChapterByMangaId
+import eu.kanade.domain.chapter.model.Chapter
+import eu.kanade.domain.history.repository.HistoryRepository
+import eu.kanade.domain.manga.interactor.GetManga
+import eu.kanade.tachiyomi.util.chapter.getChapterSort
+import kotlin.math.max
+
+class GetNextUnreadChapters(
+    private val getChapterByMangaId: GetChapterByMangaId,
+    private val getManga: GetManga,
+    private val historyRepository: HistoryRepository,
+) {
+
+    suspend fun await(): Chapter? {
+        val history = historyRepository.getLastHistory() ?: return null
+        return await(history.mangaId, history.chapterId).firstOrNull()
+    }
+
+    suspend fun await(mangaId: Long): List<Chapter> {
+        val manga = getManga.await(mangaId) ?: return emptyList()
+        return getChapterByMangaId.await(mangaId)
+            .sortedWith(getChapterSort(manga, sortDescending = false))
+            .filterNot { it.read }
+    }
+
+    suspend fun await(mangaId: Long, fromChapterId: Long): List<Chapter> {
+        val unreadChapters = await(mangaId)
+        val currChapterIndex = unreadChapters.indexOfFirst { it.id == fromChapterId }
+        return unreadChapters.subList(max(0, currChapterIndex), unreadChapters.size)
+    }
+}

app/src/main/java/eu/kanade/domain/history/interactor/RemoveHistoryById.kt

@@ -0,0 +1,13 @@
+package eu.kanade.domain.history.interactor
+
+import eu.kanade.domain.history.model.HistoryWithRelations
+import eu.kanade.domain.history.repository.HistoryRepository
+
+class RemoveHistoryById(
+    private val repository: HistoryRepository,
+) {
+
+    suspend fun await(history: HistoryWithRelations) {
+        repository.resetHistory(history.id)
+    }
+}

app/src/main/java/eu/kanade/domain/history/interactor/RemoveHistoryByMangaId.kt

@@ -0,0 +1,12 @@
+package eu.kanade.domain.history.interactor
+
+import eu.kanade.domain.history.repository.HistoryRepository
+
+class RemoveHistoryByMangaId(
+    private val repository: HistoryRepository,
+) {
+
+    suspend fun await(mangaId: Long) {
+        repository.resetHistoryByMangaId(mangaId)
+    }
+}

app/src/main/java/eu/kanade/domain/history/interactor/UpsertHistory.kt

@@ -0,0 +1,13 @@
+package eu.kanade.domain.history.interactor
+
+import eu.kanade.domain.history.model.HistoryUpdate
+import eu.kanade.domain.history.repository.HistoryRepository
+
+class UpsertHistory(
+    private val historyRepository: HistoryRepository,
+) {
+
+    suspend fun await(historyUpdate: HistoryUpdate) {
+        historyRepository.upsertHistory(historyUpdate)
+    }
+}

app/src/main/java/eu/kanade/domain/history/model/History.kt

@@ -0,0 +1,10 @@
+package eu.kanade.domain.history.model
+
+import java.util.Date
+
+data class History(
+    val id: Long,
+    val chapterId: Long,
+    val readAt: Date?,
+    val readDuration: Long,
+)

app/src/main/java/eu/kanade/domain/history/model/HistoryUpdate.kt

@@ -0,0 +1,9 @@
+package eu.kanade.domain.history.model
+
+import java.util.Date
+
+data class HistoryUpdate(
+    val chapterId: Long,
+    val readAt: Date,
+    val sessionReadDuration: Long,
+)

app/src/main/java/eu/kanade/domain/history/model/HistoryWithRelations.kt

@@ -0,0 +1,15 @@
+package eu.kanade.domain.history.model
+
+import eu.kanade.domain.manga.model.MangaCover
+import java.util.Date
+
+data class HistoryWithRelations(
+    val id: Long,
+    val chapterId: Long,
+    val mangaId: Long,
+    val title: String,
+    val chapterNumber: Float,
+    val readAt: Date?,
+    val readDuration: Long,
+    val coverData: MangaCover,
+)

app/src/main/java/eu/kanade/domain/history/repository/HistoryRepository.kt

@@ -0,0 +1,20 @@
+package eu.kanade.domain.history.repository
+
+import eu.kanade.domain.history.model.HistoryUpdate
+import eu.kanade.domain.history.model.HistoryWithRelations
+import kotlinx.coroutines.flow.Flow
+
+interface HistoryRepository {
+
+    fun getHistory(query: String): Flow<List<HistoryWithRelations>>
+
+    suspend fun getLastHistory(): HistoryWithRelations?
+
+    suspend fun resetHistory(historyId: Long)
+
+    suspend fun resetHistoryByMangaId(mangaId: Long)
+
+    suspend fun deleteAllHistory(): Boolean
+
+    suspend fun upsertHistory(historyUpdate: HistoryUpdate)
+}

app/src/main/java/eu/kanade/domain/library/model/Flag.kt

@@ -0,0 +1,35 @@
+package eu.kanade.domain.library.model
+
+interface Flag {
+    val flag: Long
+}
+
+interface Mask {
+    val mask: Long
+}
+
+interface FlagWithMask : Flag, Mask
+
+operator fun Long.contains(other: Flag): Boolean {
+    return if (other is Mask) {
+        other.flag == this and other.mask
+    } else {
+        other.flag == this
+    }
+}
+
+operator fun Long.plus(other: Flag): Long {
+    return if (other is Mask) {
+        this and other.mask.inv() or (other.flag and other.mask)
+    } else {
+        this or other.flag
+    }
+}
+
+operator fun Flag.plus(other: Flag): Long {
+    return if (other is Mask) {
+        this.flag and other.mask.inv() or (other.flag and other.mask)
+    } else {
+        this.flag or other.flag
+    }
+}

app/src/main/java/eu/kanade/domain/library/model/LibraryDisplayMode.kt

@@ -0,0 +1,59 @@
+package eu.kanade.domain.library.model
+
+import eu.kanade.domain.category.model.Category
+
+sealed class LibraryDisplayMode(
+    override val flag: Long,
+) : FlagWithMask {
+
+    override val mask: Long = 0b00000011L
+
+    object CompactGrid : LibraryDisplayMode(0b00000000)
+    object ComfortableGrid : LibraryDisplayMode(0b00000001)
+    object List : LibraryDisplayMode(0b00000010)
+    object CoverOnlyGrid : LibraryDisplayMode(0b00000011)
+
+    object Serializer {
+        fun deserialize(serialized: String): LibraryDisplayMode {
+            return LibraryDisplayMode.deserialize(serialized)
+        }
+
+        fun serialize(value: LibraryDisplayMode): String {
+            return value.serialize()
+        }
+    }
+
+    companion object {
+        val values = setOf(CompactGrid, ComfortableGrid, List, CoverOnlyGrid)
+        val default = CompactGrid
+
+        fun valueOf(flag: Long?): LibraryDisplayMode {
+            if (flag == null) return default
+            return values
+                .find { mode -> mode.flag == flag and mode.mask }
+                ?: default
+        }
+
+        fun deserialize(serialized: String): LibraryDisplayMode {
+            return when (serialized) {
+                "COMFORTABLE_GRID" -> ComfortableGrid
+                "COMPACT_GRID" -> CompactGrid
+                "COVER_ONLY_GRID" -> CoverOnlyGrid
+                "LIST" -> List
+                else -> default
+            }
+        }
+    }
+
+    fun serialize(): String {
+        return when (this) {
+            ComfortableGrid -> "COMFORTABLE_GRID"
+            CompactGrid -> "COMPACT_GRID"
+            CoverOnlyGrid -> "COVER_ONLY_GRID"
+            List -> "LIST"
+        }
+    }
+}
+
+val Category.display: LibraryDisplayMode
+    get() = LibraryDisplayMode.valueOf(flags)

app/src/main/java/eu/kanade/domain/library/model/LibraryManga.kt

@@ -0,0 +1,24 @@
+package eu.kanade.domain.library.model
+
+import eu.kanade.domain.manga.model.Manga
+
+data class LibraryManga(
+    val manga: Manga,
+    val category: Long,
+    val totalChapters: Long,
+    val readCount: Long,
+    val bookmarkCount: Long,
+    val latestUpload: Long,
+    val chapterFetchedAt: Long,
+    val lastRead: Long,
+) {
+    val id: Long = manga.id
+
+    val unreadCount
+        get() = totalChapters - readCount
+
+    val hasBookmarks
+        get() = bookmarkCount > 0
+
+    val hasStarted = readCount > 0
+}

app/src/main/java/eu/kanade/domain/library/model/LibrarySort.kt

@@ -0,0 +1,121 @@
+package eu.kanade.domain.library.model
+
+import eu.kanade.domain.category.model.Category
+
+data class LibrarySort(
+    val type: Type,
+    val direction: Direction,
+) : FlagWithMask {
+
+    override val flag: Long
+        get() = type + direction
+
+    override val mask: Long
+        get() = type.mask or direction.mask
+
+    val isAscending: Boolean
+        get() = direction == Direction.Ascending
+
+    sealed class Type(
+        override val flag: Long,
+    ) : FlagWithMask {
+
+        override val mask: Long = 0b00111100L
+
+        object Alphabetical : Type(0b00000000)
+        object LastRead : Type(0b00000100)
+        object LastUpdate : Type(0b00001000)
+        object UnreadCount : Type(0b00001100)
+        object TotalChapters : Type(0b00010000)
+        object LatestChapter : Type(0b00010100)
+        object ChapterFetchDate : Type(0b00011000)
+        object DateAdded : Type(0b00011100)
+
+        companion object {
+
+            fun valueOf(flag: Long): Type {
+                return types.find { type -> type.flag == flag and type.mask } ?: default.type
+            }
+        }
+    }
+
+    sealed class Direction(
+        override val flag: Long,
+    ) : FlagWithMask {
+
+        override val mask: Long = 0b01000000L
+
+        object Ascending : Direction(0b01000000)
+        object Descending : Direction(0b00000000)
+
+        companion object {
+
+            fun valueOf(flag: Long): Direction {
+                return directions.find { direction -> direction.flag == flag and direction.mask } ?: default.direction
+            }
+        }
+    }
+
+    object Serializer {
+        fun deserialize(serialized: String): LibrarySort {
+            return LibrarySort.deserialize(serialized)
+        }
+
+        fun serialize(value: LibrarySort): String {
+            return value.serialize()
+        }
+    }
+
+    companion object {
+        val types = setOf(Type.Alphabetical, Type.LastRead, Type.LastUpdate, Type.UnreadCount, Type.TotalChapters, Type.LatestChapter, Type.ChapterFetchDate, Type.DateAdded)
+        val directions = setOf(Direction.Ascending, Direction.Descending)
+        val default = LibrarySort(Type.Alphabetical, Direction.Ascending)
+
+        fun valueOf(flag: Long): LibrarySort {
+            return LibrarySort(
+                Type.valueOf(flag),
+                Direction.valueOf(flag),
+            )
+        }
+
+        fun deserialize(serialized: String): LibrarySort {
+            if (serialized.isEmpty()) return default
+            return try {
+                val values = serialized.split(",")
+                val type = when (values[0]) {
+                    "ALPHABETICAL" -> Type.Alphabetical
+                    "LAST_READ" -> Type.LastRead
+                    "LAST_MANGA_UPDATE" -> Type.LastUpdate
+                    "UNREAD_COUNT" -> Type.UnreadCount
+                    "TOTAL_CHAPTERS" -> Type.TotalChapters
+                    "LATEST_CHAPTER" -> Type.LatestChapter
+                    "CHAPTER_FETCH_DATE" -> Type.ChapterFetchDate
+                    "DATE_ADDED" -> Type.DateAdded
+                    else -> Type.Alphabetical
+                }
+                val ascending = if (values[1] == "ASCENDING") Direction.Ascending else Direction.Descending
+                LibrarySort(type, ascending)
+            } catch (e: Exception) {
+                default
+            }
+        }
+    }
+
+    fun serialize(): String {
+        val type = when (type) {
+            Type.Alphabetical -> "ALPHABETICAL"
+            Type.LastRead -> "LAST_READ"
+            Type.LastUpdate -> "LAST_MANGA_UPDATE"
+            Type.UnreadCount -> "UNREAD_COUNT"
+            Type.TotalChapters -> "TOTAL_CHAPTERS"
+            Type.LatestChapter -> "LATEST_CHAPTER"
+            Type.ChapterFetchDate -> "CHAPTER_FETCH_DATE"
+            Type.DateAdded -> "DATE_ADDED"
+        }
+        val direction = if (direction == Direction.Ascending) "ASCENDING" else "DESCENDING"
+        return "$type,$direction"
+    }
+}
+
+val Category.sort: LibrarySort
+    get() = LibrarySort.valueOf(flags)

app/src/main/java/eu/kanade/domain/library/service/LibraryPreferences.kt

@@ -0,0 +1,111 @@
+package eu.kanade.domain.library.service
+
+import eu.kanade.domain.library.model.LibraryDisplayMode
+import eu.kanade.domain.library.model.LibrarySort
+import eu.kanade.domain.manga.model.Manga
+import eu.kanade.tachiyomi.core.preference.PreferenceStore
+import eu.kanade.tachiyomi.data.preference.DEVICE_ONLY_ON_WIFI
+import eu.kanade.tachiyomi.data.preference.MANGA_HAS_UNREAD
+import eu.kanade.tachiyomi.data.preference.MANGA_NON_COMPLETED
+import eu.kanade.tachiyomi.data.preference.MANGA_NON_READ
+import eu.kanade.tachiyomi.widget.ExtendedNavigationView
+
+class LibraryPreferences(
+    private val preferenceStore: PreferenceStore,
+) {
+
+    fun libraryDisplayMode() = preferenceStore.getObject("pref_display_mode_library", LibraryDisplayMode.default, LibraryDisplayMode.Serializer::serialize, LibraryDisplayMode.Serializer::deserialize)
+
+    fun librarySortingMode() = preferenceStore.getObject("library_sorting_mode", LibrarySort.default, LibrarySort.Serializer::serialize, LibrarySort.Serializer::deserialize)
+
+    fun portraitColumns() = preferenceStore.getInt("pref_library_columns_portrait_key", 0)
+
+    fun landscapeColumns() = preferenceStore.getInt("pref_library_columns_landscape_key", 0)
+
+    fun libraryUpdateInterval() = preferenceStore.getInt("pref_library_update_interval_key", 24)
+    fun libraryUpdateLastTimestamp() = preferenceStore.getLong("library_update_last_timestamp", 0L)
+
+    fun libraryUpdateDeviceRestriction() = preferenceStore.getStringSet("library_update_restriction", setOf(DEVICE_ONLY_ON_WIFI))
+    fun libraryUpdateMangaRestriction() = preferenceStore.getStringSet("library_update_manga_restriction", setOf(MANGA_HAS_UNREAD, MANGA_NON_COMPLETED, MANGA_NON_READ))
+
+    fun autoUpdateMetadata() = preferenceStore.getBoolean("auto_update_metadata", false)
+
+    fun autoUpdateTrackers() = preferenceStore.getBoolean("auto_update_trackers", false)
+
+    // region Filter
+
+    fun filterDownloaded() = preferenceStore.getInt("pref_filter_library_downloaded", ExtendedNavigationView.Item.TriStateGroup.State.IGNORE.value)
+
+    fun filterUnread() = preferenceStore.getInt("pref_filter_library_unread", ExtendedNavigationView.Item.TriStateGroup.State.IGNORE.value)
+
+    fun filterStarted() = preferenceStore.getInt("pref_filter_library_started", ExtendedNavigationView.Item.TriStateGroup.State.IGNORE.value)
+
+    fun filterBookmarked() = preferenceStore.getInt("pref_filter_library_bookmarked", ExtendedNavigationView.Item.TriStateGroup.State.IGNORE.value)
+
+    fun filterCompleted() = preferenceStore.getInt("pref_filter_library_completed", ExtendedNavigationView.Item.TriStateGroup.State.IGNORE.value)
+
+    fun filterTracking(name: Int) = preferenceStore.getInt("pref_filter_library_tracked_$name", ExtendedNavigationView.Item.TriStateGroup.State.IGNORE.value)
+
+    // endregion
+
+    // region Badges
+
+    fun downloadBadge() = preferenceStore.getBoolean("display_download_badge", false)
+
+    fun localBadge() = preferenceStore.getBoolean("display_local_badge", true)
+
+    fun unreadBadge() = preferenceStore.getBoolean("display_unread_badge", true)
+
+    fun languageBadge() = preferenceStore.getBoolean("display_language_badge", false)
+
+    fun showUpdatesNavBadge() = preferenceStore.getBoolean("library_update_show_tab_badge", false)
+    fun unreadUpdatesCount() = preferenceStore.getInt("library_unread_updates_count", 0)
+
+    // endregion
+
+    // region Category
+
+    fun defaultCategory() = preferenceStore.getInt("default_category", -1)
+
+    fun lastUsedCategory() = preferenceStore.getInt("last_used_category", 0)
+
+    fun categoryTabs() = preferenceStore.getBoolean("display_category_tabs", true)
+
+    fun categoryNumberOfItems() = preferenceStore.getBoolean("display_number_of_items", false)
+
+    fun categorizedDisplaySettings() = preferenceStore.getBoolean("categorized_display", false)
+
+    fun libraryUpdateCategories() = preferenceStore.getStringSet("library_update_categories", emptySet())
+
+    fun libraryUpdateCategoriesExclude() = preferenceStore.getStringSet("library_update_categories_exclude", emptySet())
+
+    // endregion
+
+    // region Chapter
+
+    fun filterChapterByRead() = preferenceStore.getLong("default_chapter_filter_by_read", Manga.SHOW_ALL)
+
+    fun filterChapterByDownloaded() = preferenceStore.getLong("default_chapter_filter_by_downloaded", Manga.SHOW_ALL)
+
+    fun filterChapterByBookmarked() = preferenceStore.getLong("default_chapter_filter_by_bookmarked", Manga.SHOW_ALL)
+
+    // and upload date
+    fun sortChapterBySourceOrNumber() = preferenceStore.getLong("default_chapter_sort_by_source_or_number", Manga.CHAPTER_SORTING_SOURCE)
+
+    fun displayChapterByNameOrNumber() = preferenceStore.getLong("default_chapter_display_by_name_or_number", Manga.CHAPTER_DISPLAY_NAME)
+
+    fun sortChapterByAscendingOrDescending() = preferenceStore.getLong("default_chapter_sort_by_ascending_or_descending", Manga.CHAPTER_SORT_DESC)
+
+    fun setChapterSettingsDefault(manga: Manga) {
+        filterChapterByRead().set(manga.unreadFilterRaw)
+        filterChapterByDownloaded().set(manga.downloadedFilterRaw)
+        filterChapterByBookmarked().set(manga.bookmarkedFilterRaw)
+        sortChapterBySourceOrNumber().set(manga.sorting)
+        displayChapterByNameOrNumber().set(manga.displayMode)
+        sortChapterByAscendingOrDescending().set(if (manga.sortDescending()) Manga.CHAPTER_SORT_DESC else Manga.CHAPTER_SORT_ASC)
+    }
+
+    fun autoClearChapterCache() = preferenceStore.getBoolean("auto_clear_chapter_cache", false)
+
+    // endregion
+}

app/src/main/java/eu/kanade/domain/manga/interactor/GetDuplicateLibraryManga.kt

@@ -0,0 +1,13 @@
+package eu.kanade.domain.manga.interactor
+
+import eu.kanade.domain.manga.model.Manga
+import eu.kanade.domain.manga.repository.MangaRepository
+
+class GetDuplicateLibraryManga(
+    private val mangaRepository: MangaRepository,
+) {
+
+    suspend fun await(title: String, sourceId: Long): Manga? {
+        return mangaRepository.getDuplicateLibraryManga(title.lowercase(), sourceId)
+    }
+}

app/src/main/java/eu/kanade/domain/manga/interactor/GetFavorites.kt

@@ -0,0 +1,18 @@
+package eu.kanade.domain.manga.interactor
+
+import eu.kanade.domain.manga.model.Manga
+import eu.kanade.domain.manga.repository.MangaRepository
+import kotlinx.coroutines.flow.Flow
+
+class GetFavorites(
+    private val mangaRepository: MangaRepository,
+) {
+
+    suspend fun await(): List<Manga> {
+        return mangaRepository.getFavorites()
+    }
+
+    fun subscribe(sourceId: Long): Flow<List<Manga>> {
+        return mangaRepository.getFavoritesBySourceId(sourceId)
+    }
+}

app/src/main/java/eu/kanade/domain/manga/interactor/GetLibraryManga.kt

@@ -0,0 +1,18 @@
+package eu.kanade.domain.manga.interactor
+
+import eu.kanade.domain.library.model.LibraryManga
+import eu.kanade.domain.manga.repository.MangaRepository
+import kotlinx.coroutines.flow.Flow
+
+class GetLibraryManga(
+    private val mangaRepository: MangaRepository,
+) {
+
+    suspend fun await(): List<LibraryManga> {
+        return mangaRepository.getLibraryManga()
+    }
+
+    fun subscribe(): Flow<List<LibraryManga>> {
+        return mangaRepository.getLibraryMangaAsFlow()
+    }
+}

app/src/main/java/eu/kanade/domain/manga/interactor/GetManga.kt

@@ -0,0 +1,29 @@
+package eu.kanade.domain.manga.interactor
+
+import eu.kanade.domain.manga.model.Manga
+import eu.kanade.domain.manga.repository.MangaRepository
+import eu.kanade.tachiyomi.util.system.logcat
+import kotlinx.coroutines.flow.Flow
+import logcat.LogPriority
+
+class GetManga(
+    private val mangaRepository: MangaRepository,
+) {
+
+    suspend fun await(id: Long): Manga? {
+        return try {
+            mangaRepository.getMangaById(id)
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            null
+        }
+    }
+
+    suspend fun subscribe(id: Long): Flow<Manga> {
+        return mangaRepository.getMangaByIdAsFlow(id)
+    }
+
+    fun subscribe(url: String, sourceId: Long): Flow<Manga?> {
+        return mangaRepository.getMangaByUrlAndSourceIdAsFlow(url, sourceId)
+    }
+}

app/src/main/java/eu/kanade/domain/manga/interactor/GetMangaWithChapters.kt

@@ -0,0 +1,31 @@
+package eu.kanade.domain.manga.interactor
+
+import eu.kanade.domain.chapter.model.Chapter
+import eu.kanade.domain.chapter.repository.ChapterRepository
+import eu.kanade.domain.manga.model.Manga
+import eu.kanade.domain.manga.repository.MangaRepository
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
+
+class GetMangaWithChapters(
+    private val mangaRepository: MangaRepository,
+    private val chapterRepository: ChapterRepository,
+) {
+
+    suspend fun subscribe(id: Long): Flow<Pair<Manga, List<Chapter>>> {
+        return combine(
+            mangaRepository.getMangaByIdAsFlow(id),
+            chapterRepository.getChapterByMangaIdAsFlow(id),
+        ) { manga, chapters ->
+            Pair(manga, chapters)
+        }
+    }
+
+    suspend fun awaitManga(id: Long): Manga {
+        return mangaRepository.getMangaById(id)
+    }
+
+    suspend fun awaitChapters(id: Long): List<Chapter> {
+        return chapterRepository.getChapterByMangaId(id)
+    }
+}

app/src/main/java/eu/kanade/domain/manga/interactor/NetworkToLocalManga.kt

@@ -0,0 +1,35 @@
+package eu.kanade.domain.manga.interactor
+
+import eu.kanade.domain.manga.model.Manga
+import eu.kanade.domain.manga.repository.MangaRepository
+
+class NetworkToLocalManga(
+    private val mangaRepository: MangaRepository,
+) {
+
+    suspend fun await(manga: Manga): Manga {
+        val localManga = getManga(manga.url, manga.source)
+        return when {
+            localManga == null -> {
+                val id = insertManga(manga)
+                manga.copy(id = id!!)
+            }
+            !localManga.favorite -> {
+                // if the manga isn't a favorite, set its display title from source
+                // if it later becomes a favorite, updated title will go to db
+                localManga.copy(title = manga.title)
+            }
+            else -> {
+                localManga
+            }
+        }
+    }
+
+    private suspend fun getManga(url: String, sourceId: Long): Manga? {
+        return mangaRepository.getMangaByUrlAndSourceId(url, sourceId)
+    }
+
+    private suspend fun insertManga(manga: Manga): Long? {
+        return mangaRepository.insert(manga)
+    }
+}

app/src/main/java/eu/kanade/domain/manga/interactor/ResetViewerFlags.kt

@@ -0,0 +1,12 @@
+package eu.kanade.domain.manga.interactor
+
+import eu.kanade.domain.manga.repository.MangaRepository
+
+class ResetViewerFlags(
+    private val mangaRepository: MangaRepository,
+) {
+
+    suspend fun await(): Boolean {
+        return mangaRepository.resetViewerFlags()
+    }
+}

app/src/main/java/eu/kanade/domain/manga/interactor/SetMangaChapterFlags.kt

@@ -0,0 +1,97 @@
+package eu.kanade.domain.manga.interactor
+
+import eu.kanade.domain.manga.model.Manga
+import eu.kanade.domain.manga.model.MangaUpdate
+import eu.kanade.domain.manga.repository.MangaRepository
+
+class SetMangaChapterFlags(
+    private val mangaRepository: MangaRepository,
+) {
+
+    suspend fun awaitSetDownloadedFilter(manga: Manga, flag: Long): Boolean {
+        return mangaRepository.update(
+            MangaUpdate(
+                id = manga.id,
+                chapterFlags = manga.chapterFlags.setFlag(flag, Manga.CHAPTER_DOWNLOADED_MASK),
+            ),
+        )
+    }
+
+    suspend fun awaitSetUnreadFilter(manga: Manga, flag: Long): Boolean {
+        return mangaRepository.update(
+            MangaUpdate(
+                id = manga.id,
+                chapterFlags = manga.chapterFlags.setFlag(flag, Manga.CHAPTER_UNREAD_MASK),
+            ),
+        )
+    }
+
+    suspend fun awaitSetBookmarkFilter(manga: Manga, flag: Long): Boolean {
+        return mangaRepository.update(
+            MangaUpdate(
+                id = manga.id,
+                chapterFlags = manga.chapterFlags.setFlag(flag, Manga.CHAPTER_BOOKMARKED_MASK),
+            ),
+        )
+    }
+
+    suspend fun awaitSetDisplayMode(manga: Manga, flag: Long): Boolean {
+        return mangaRepository.update(
+            MangaUpdate(
+                id = manga.id,
+                chapterFlags = manga.chapterFlags.setFlag(flag, Manga.CHAPTER_DISPLAY_MASK),
+            ),
+        )
+    }
+
+    suspend fun awaitSetSortingModeOrFlipOrder(manga: Manga, flag: Long): Boolean {
+        val newFlags = manga.chapterFlags.let {
+            if (manga.sorting == flag) {
+                // Just flip the order
+                val orderFlag = if (manga.sortDescending()) {
+                    Manga.CHAPTER_SORT_ASC
+                } else {
+                    Manga.CHAPTER_SORT_DESC
+                }
+                it.setFlag(orderFlag, Manga.CHAPTER_SORT_DIR_MASK)
+            } else {
+                // Set new flag with ascending order
+                it
+                    .setFlag(flag, Manga.CHAPTER_SORTING_MASK)
+                    .setFlag(Manga.CHAPTER_SORT_ASC, Manga.CHAPTER_SORT_DIR_MASK)
+            }
+        }
+        return mangaRepository.update(
+            MangaUpdate(
+                id = manga.id,
+                chapterFlags = newFlags,
+            ),
+        )
+    }
+
+    suspend fun awaitSetAllFlags(
+        mangaId: Long,
+        unreadFilter: Long,
+        downloadedFilter: Long,
+        bookmarkedFilter: Long,
+        sortingMode: Long,
+        sortingDirection: Long,
+        displayMode: Long,
+    ): Boolean {
+        return mangaRepository.update(
+            MangaUpdate(
+                id = mangaId,
+                chapterFlags = 0L.setFlag(unreadFilter, Manga.CHAPTER_UNREAD_MASK)
+                    .setFlag(downloadedFilter, Manga.CHAPTER_DOWNLOADED_MASK)
+                    .setFlag(bookmarkedFilter, Manga.CHAPTER_BOOKMARKED_MASK)
+                    .setFlag(sortingMode, Manga.CHAPTER_SORTING_MASK)
+                    .setFlag(sortingDirection, Manga.CHAPTER_SORT_DIR_MASK)
+                    .setFlag(displayMode, Manga.CHAPTER_DISPLAY_MASK),
+            ),
+        )
+    }
+
+    private fun Long.setFlag(flag: Long, mask: Long): Long {
+        return this and mask.inv() or (flag and mask)
+    }
+}

app/src/main/java/eu/kanade/domain/manga/interactor/SetMangaViewerFlags.kt

@@ -0,0 +1,33 @@
+package eu.kanade.domain.manga.interactor
+
+import eu.kanade.domain.manga.model.MangaUpdate
+import eu.kanade.domain.manga.repository.MangaRepository
+import eu.kanade.tachiyomi.ui.reader.setting.OrientationType
+import eu.kanade.tachiyomi.ui.reader.setting.ReadingModeType
+
+class SetMangaViewerFlags(
+    private val mangaRepository: MangaRepository,
+) {
+
+    suspend fun awaitSetMangaReadingMode(id: Long, flag: Long) {
+        mangaRepository.update(
+            MangaUpdate(
+                id = id,
+                viewerFlags = flag.setFlag(flag, ReadingModeType.MASK.toLong()),
+            ),
+        )
+    }
+
+    suspend fun awaitSetOrientationType(id: Long, flag: Long) {
+        mangaRepository.update(
+            MangaUpdate(
+                id = id,
+                viewerFlags = flag.setFlag(flag, OrientationType.MASK.toLong()),
+            ),
+        )
+    }
+
+    private fun Long.setFlag(flag: Long, mask: Long): Long {
+        return this and mask.inv() or (flag and mask)
+    }
+}

app/src/main/java/eu/kanade/domain/manga/interactor/UpdateManga.kt

@@ -0,0 +1,94 @@
+package eu.kanade.domain.manga.interactor
+
+import eu.kanade.domain.manga.model.Manga
+import eu.kanade.domain.manga.model.MangaUpdate
+import eu.kanade.domain.manga.model.hasCustomCover
+import eu.kanade.domain.manga.model.isLocal
+import eu.kanade.domain.manga.model.toDbManga
+import eu.kanade.domain.manga.repository.MangaRepository
+import eu.kanade.tachiyomi.data.cache.CoverCache
+import eu.kanade.tachiyomi.source.model.SManga
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+import java.util.Date
+
+class UpdateManga(
+    private val mangaRepository: MangaRepository,
+) {
+
+    suspend fun await(mangaUpdate: MangaUpdate): Boolean {
+        return mangaRepository.update(mangaUpdate)
+    }
+
+    suspend fun awaitAll(mangaUpdates: List<MangaUpdate>): Boolean {
+        return mangaRepository.updateAll(mangaUpdates)
+    }
+
+    suspend fun awaitUpdateFromSource(
+        localManga: Manga,
+        remoteManga: SManga,
+        manualFetch: Boolean,
+        coverCache: CoverCache = Injekt.get(),
+    ): Boolean {
+        val remoteTitle = try {
+            remoteManga.title
+        } catch (_: UninitializedPropertyAccessException) {
+            ""
+        }
+
+        // if the manga isn't a favorite, set its title from source and update in db
+        val title = if (remoteTitle.isEmpty() || localManga.favorite) null else remoteTitle
+
+        val coverLastModified =
+            when {
+                // Never refresh covers if the url is empty to avoid "losing" existing covers
+                remoteManga.thumbnail_url.isNullOrEmpty() -> null
+                !manualFetch && localManga.thumbnailUrl == remoteManga.thumbnail_url -> null
+                localManga.isLocal() -> Date().time
+                localManga.hasCustomCover(coverCache) -> {
+                    coverCache.deleteFromCache(localManga.toDbManga(), false)
+                    null
+                }
+                else -> {
+                    coverCache.deleteFromCache(localManga.toDbManga(), false)
+                    Date().time
+                }
+            }
+
+        val thumbnailUrl = remoteManga.thumbnail_url?.takeIf { it.isNotEmpty() }
+
+        return mangaRepository.update(
+            MangaUpdate(
+                id = localManga.id,
+                title = title,
+                coverLastModified = coverLastModified,
+                author = remoteManga.author,
+                artist = remoteManga.artist,
+                description = remoteManga.description,
+                genre = remoteManga.getGenres(),
+                thumbnailUrl = thumbnailUrl,
+                status = remoteManga.status.toLong(),
+                updateStrategy = remoteManga.update_strategy,
+                initialized = true,
+            ),
+        )
+    }
+
+    suspend fun awaitUpdateLastUpdate(mangaId: Long): Boolean {
+        return mangaRepository.update(MangaUpdate(id = mangaId, lastUpdate = Date().time))
+    }
+
+    suspend fun awaitUpdateCoverLastModified(mangaId: Long): Boolean {
+        return mangaRepository.update(MangaUpdate(id = mangaId, coverLastModified = Date().time))
+    }
+
+    suspend fun awaitUpdateFavorite(mangaId: Long, favorite: Boolean): Boolean {
+        val dateAdded = when (favorite) {
+            true -> Date().time
+            false -> 0
+        }
+        return mangaRepository.update(
+            MangaUpdate(id = mangaId, favorite = favorite, dateAdded = dateAdded),
+        )
+    }
+}