Add support to update strategy on global update (#7902)

* Add support to update strategy.

* Add JavaDoc and bump the LIB_VERSION_MAX constant.

* Fix a word typo.

* Store update strategy enum as integer in the DB.

(cherry picked from commit ba533f30ce70bdcfbfaaae3e7758dbe38fe6fb1b)

# Conflicts:
#	app/src/main/java/eu/kanade/data/DatabaseAdapter.kt
#	app/src/main/java/eu/kanade/data/manga/MangaMapper.kt
#	app/src/main/java/eu/kanade/data/manga/MangaRepositoryImpl.kt
#	app/src/main/java/eu/kanade/tachiyomi/AppModule.kt
#	app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt
#	app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupManga.kt
#	app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaImpl.kt
#	app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt
#	app/src/main/sqldelight/data/mangas.sq
#	app/src/main/sqldelight/migrations/20.sqm

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

@@ -1,6 +1,7 @@
 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> {
@@ -19,6 +20,15 @@ val listOfStringsAdapter = object : ColumnAdapter<List<String>, String> {
     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()
+}
+
 // SY -->
 private const val listOfStringsAndSeparator = " & "
 val listOfStringsAndAdapter = object : ColumnAdapter<List<String>, String> {

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

@@ -4,6 +4,7 @@ import com.squareup.sqldelight.Query
 import com.squareup.sqldelight.db.SqlCursor
 import com.squareup.sqldelight.db.SqlDriver
 import com.squareup.sqldelight.internal.copyOnWriteList
+import eu.kanade.data.updateStrategyAdapter
 import eu.kanade.tachiyomi.data.database.models.LibraryManga
 import exh.source.MERGED_SOURCE_ID
 
@@ -27,9 +28,10 @@ private val mapper = { cursor: SqlCursor ->
         cover_last_modified = cursor.getLong(16)!!
         date_added = cursor.getLong(17)!!
         filtered_scanlators = cursor.getString(18)
-        unreadCount = cursor.getLong(19)!!.toInt()
+        update_strategy = updateStrategyAdapter.decode(cursor.getLong(19)!!)
-        readCount = cursor.getLong(20)!!.toInt()
+        unreadCount = cursor.getLong(20)!!.toInt()
-        category = cursor.getLong(21)!!.toInt()
+        readCount = cursor.getLong(21)!!.toInt()
+        category = cursor.getLong(22)!!.toInt()
     }
 }
 

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

@@ -4,9 +4,10 @@ import eu.kanade.data.listOfStringsAndAdapter
 import eu.kanade.domain.chapter.model.Chapter
 import eu.kanade.domain.manga.model.Manga
 import eu.kanade.tachiyomi.data.database.models.LibraryManga
+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, List<String>?) -> Manga =
+val mangaMapper: (Long, Long, String, String?, String?, String?, List<String>?, String, Long, String?, Boolean, Long?, Long?, Boolean, Long, Long, Long, Long, List<String>?, UpdateStrategy) -> Manga =
-    { id, source, url, artist, author, description, genre, title, status, thumbnailUrl, favorite, lastUpdate, _, initialized, viewer, chapterFlags, coverLastModified, dateAdded, filteredScanlators ->
+    { id, source, url, artist, author, description, genre, title, status, thumbnailUrl, favorite, lastUpdate, _, initialized, viewer, chapterFlags, coverLastModified, dateAdded, filteredScanlators, updateStrategy ->
         Manga(
             id = id,
             source = source,
@@ -26,6 +27,7 @@ val mangaMapper: (Long, Long, String, String?, String?, String?, List<String>?,
             ogStatus = status,
             // SY <--
             thumbnailUrl = thumbnailUrl,
+            updateStrategy = updateStrategy,
             initialized = initialized,
             // SY -->
             filteredScanlators = filteredScanlators,
@@ -33,8 +35,8 @@ val mangaMapper: (Long, Long, String, String?, String?, String?, List<String>?,
         )
     }
 
-val mangaChapterMapper: (Long, Long, String, String?, String?, String?, List<String>?, String, Long, String?, Boolean, Long?, Long?, Boolean, Long, Long, Long, Long, List<String>?, Long, Long, String, String, String?, Boolean, Boolean, Long, Float, Long, Long, Long) -> Pair<Manga, Chapter> =
+val mangaChapterMapper: (Long, Long, String, String?, String?, String?, List<String>?, String, Long, String?, Boolean, Long?, Long?, Boolean, Long, Long, Long, Long, UpdateStrategy, List<String>?, Long, Long, String, String, String?, Boolean, Boolean, Long, Float, Long, Long, Long) -> Pair<Manga, Chapter> =
-    { _id, source, url, artist, author, description, genre, title, status, thumbnailUrl, favorite, lastUpdate, next_update, initialized, viewerFlags, chapterFlags, coverLastModified, dateAdded, filteredScanlators, chapterId, mangaId, chapterUrl, name, scanlator, read, bookmark, lastPageRead, chapterNumber, sourceOrder, dateFetch, dateUpload ->
+    { _id, source, url, artist, author, description, genre, title, status, thumbnailUrl, favorite, lastUpdate, next_update, initialized, viewerFlags, chapterFlags, coverLastModified, dateAdded, updateStrategy, filteredScanlators, chapterId, mangaId, chapterUrl, name, scanlator, read, bookmark, lastPageRead, chapterNumber, sourceOrder, dateFetch, dateUpload ->
         Manga(
             id = _id,
             source = source,
@@ -54,6 +56,7 @@ val mangaChapterMapper: (Long, Long, String, String?, String?, String?, List<Str
             ogStatus = status,
             // SY <--
             thumbnailUrl = thumbnailUrl,
+            updateStrategy = updateStrategy,
             initialized = initialized,
             // SY -->
             filteredScanlators = filteredScanlators,
@@ -74,8 +77,8 @@ val mangaChapterMapper: (Long, Long, String, String?, String?, String?, List<Str
         )
     }
 
-val libraryManga: (Long, Long, String, String?, String?, String?, List<String>?, String, Long, String?, Boolean, Long?, Long?, Boolean, Long, Long, Long, Long, List<String>?, Long, Long, Long) -> LibraryManga =
+val libraryManga: (Long, Long, String, String?, String?, String?, List<String>?, String, Long, String?, Boolean, Long?, Long?, Boolean, Long, Long, Long, Long, UpdateStrategy, List<String>?, Long, Long, Long) -> LibraryManga =
-    { _id, source, url, artist, author, description, genre, title, status, thumbnail_url, favorite, last_update, next_update, initialized, viewer, chapter_flags, cover_last_modified, date_added, filtered_scanlators, unread_count, read_count, category ->
+    { _id, source, url, artist, author, description, genre, title, status, thumbnail_url, favorite, last_update, next_update, initialized, viewer, chapter_flags, cover_last_modified, date_added, update_strategy, filtered_scanlators, unread_count, read_count, category ->
         LibraryManga().apply {
             this.id = _id
             this.source = source
@@ -89,6 +92,7 @@ val libraryManga: (Long, Long, String, String?, String?, String?, List<String>?,
             this.thumbnail_url = thumbnail_url
             this.favorite = favorite
             this.last_update = last_update ?: 0
+            this.update_strategy = update_strategy
             this.initialized = initialized
             this.viewer_flags = viewer.toInt()
             this.chapter_flags = chapter_flags.toInt()

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

@@ -4,6 +4,7 @@ import eu.kanade.data.AndroidDatabaseHandler
 import eu.kanade.data.DatabaseHandler
 import eu.kanade.data.listOfStringsAdapter
 import eu.kanade.data.listOfStringsAndAdapter
+import eu.kanade.data.updateStrategyAdapter
 import eu.kanade.domain.manga.model.Manga
 import eu.kanade.domain.manga.model.MangaUpdate
 import eu.kanade.domain.manga.repository.MangaRepository
@@ -96,6 +97,10 @@ class MangaRepositoryImpl(
                 chapterFlags = manga.chapterFlags,
                 coverLastModified = manga.coverLastModified,
                 dateAdded = manga.dateAdded,
+                // SY -->
+                filteredScanlators = manga.filteredScanlators,
+                // SY <--
+                updateStrategy = manga.updateStrategy,
             )
             mangasQueries.selectLastInsertedRowId()
         }
@@ -141,8 +146,11 @@ class MangaRepositoryImpl(
                     chapterFlags = value.chapterFlags,
                     coverLastModified = value.coverLastModified,
                     dateAdded = value.dateAdded,
+                    // SY -->
                     filteredScanlators = value.filteredScanlators?.let(listOfStringsAndAdapter::encode),
+                    // SY <--
                     mangaId = value.id,
+                    updateStrategy = value.updateStrategy?.let(updateStrategyAdapter::encode),
                 )
             }
         }

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

@@ -78,6 +78,7 @@ class UpdateManga(
                 genre = remoteManga.getGenres(),
                 thumbnailUrl = thumbnailUrl,
                 status = remoteManga.status.toLong(),
+                updateStrategy = remoteManga.update_strategy,
                 initialized = true,
             ),
         )

app/src/main/java/eu/kanade/domain/manga/model/Manga.kt

@@ -8,6 +8,7 @@ import eu.kanade.tachiyomi.data.database.models.MangaImpl
 import eu.kanade.tachiyomi.data.library.CustomMangaManager
 import eu.kanade.tachiyomi.source.LocalSource
 import eu.kanade.tachiyomi.source.model.SManga
+import eu.kanade.tachiyomi.source.model.UpdateStrategy
 import eu.kanade.tachiyomi.widget.ExtendedNavigationView
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
@@ -34,6 +35,7 @@ data class Manga(
     val ogStatus: Long,
     // SY <--
     val thumbnailUrl: String?,
+    val updateStrategy: UpdateStrategy,
     val initialized: Boolean,
     // SY -->
     val filteredScanlators: List<String>?,
@@ -183,6 +185,7 @@ data class Manga(
             ogStatus = 0L,
             // SY <--
             thumbnailUrl = null,
+            updateStrategy = UpdateStrategy.ALWAYS_UPDATE,
             initialized = false,
             // SY -->
             filteredScanlators = null,
@@ -229,6 +232,7 @@ fun Manga.toDbManga(): DbManga = MangaImpl().also {
     it.status = ogStatus.toInt()
     // SY <--
     it.thumbnail_url = thumbnailUrl
+    it.update_strategy = updateStrategy
     it.initialized = initialized
     // SY -->
     it.filtered_scanlators = filteredScanlators?.let(listOfStringsAndAdapter::encode)
@@ -255,6 +259,7 @@ fun Manga.toMangaUpdate(): MangaUpdate {
         status = ogStatus,
         // SY <--
         thumbnailUrl = thumbnailUrl,
+        updateStrategy = updateStrategy,
         initialized = initialized,
         // SY -->
         filteredScanlators = filteredScanlators,

app/src/main/java/eu/kanade/domain/manga/model/MangaUpdate.kt

@@ -1,5 +1,7 @@
 package eu.kanade.domain.manga.model
 
+import eu.kanade.tachiyomi.source.model.UpdateStrategy
+
 data class MangaUpdate(
     val id: Long,
     val source: Long? = null,
@@ -17,6 +19,7 @@ data class MangaUpdate(
     val genre: List<String>? = null,
     val status: Long? = null,
     val thumbnailUrl: String? = null,
+    val updateStrategy: UpdateStrategy? = null,
     val initialized: Boolean? = null,
     // SY -->
     val filteredScanlators: List<String>? = null,

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

@@ -16,6 +16,7 @@ import eu.kanade.data.dateAdapter
 import eu.kanade.data.listOfLongsAdapter
 import eu.kanade.data.listOfStringsAdapter
 import eu.kanade.data.listOfStringsAndAdapter
+import eu.kanade.data.updateStrategyAdapter
 import eu.kanade.domain.UnsortedPreferences
 import eu.kanade.domain.backup.service.BackupPreferences
 import eu.kanade.domain.base.BasePreferences
@@ -95,6 +96,7 @@ class AppModule(val app: Application) : InjektModule {
                 ),
                 mangasAdapter = Mangas.Adapter(
                     genreAdapter = listOfStringsAdapter,
+                    update_strategyAdapter = updateStrategyAdapter,
                     // SY -->
                     filtered_scanlatorsAdapter = listOfStringsAndAdapter,
                     // SY <--

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

@@ -8,7 +8,9 @@ import data.Manga_sync
 import data.Mangas
 import eu.kanade.data.DatabaseHandler
 import eu.kanade.data.exh.mergedMangaReferenceMapper
+import eu.kanade.data.listOfStringsAndAdapter
 import eu.kanade.data.manga.mangaMapper
+import eu.kanade.data.updateStrategyAdapter
 import eu.kanade.domain.backup.service.BackupPreferences
 import eu.kanade.domain.category.interactor.GetCategories
 import eu.kanade.domain.category.model.Category
@@ -564,6 +566,10 @@ class BackupManager(
                 chapterFlags = manga.chapter_flags.toLong(),
                 coverLastModified = manga.cover_last_modified,
                 dateAdded = manga.date_added,
+                // SY -->
+                filteredScanlators = manga.filtered_scanlators?.nullIfBlank()?.let(listOfStringsAndAdapter::decode),
+                // SY <--
+                updateStrategy = manga.update_strategy,
             )
             mangasQueries.selectLastInsertedRowId()
         }
@@ -588,10 +594,11 @@ class BackupManager(
                 chapterFlags = manga.chapter_flags.toLong(),
                 coverLastModified = manga.cover_last_modified,
                 dateAdded = manga.date_added,
-                mangaId = manga.id!!,
                 // SY -->
                 filteredScanlators = manga.filtered_scanlators,
                 // SY <--
+                mangaId = manga.id!!,
+                updateStrategy = manga.update_strategy.let(updateStrategyAdapter::encode),
             )
         }
         return manga.id!!

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

@@ -6,6 +6,7 @@ import eu.kanade.tachiyomi.data.database.models.ChapterImpl
 import eu.kanade.tachiyomi.data.database.models.MangaImpl
 import eu.kanade.tachiyomi.data.database.models.TrackImpl
 import eu.kanade.tachiyomi.data.library.CustomMangaManager
+import eu.kanade.tachiyomi.source.model.UpdateStrategy
 import eu.kanade.tachiyomi.ui.reader.setting.ReadingModeType
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.protobuf.ProtoNumber
@@ -40,6 +41,7 @@ data class BackupManga(
     @ProtoNumber(102) var brokenHistory: List<BrokenBackupHistory> = emptyList(),
     @ProtoNumber(103) var viewer_flags: Int? = null,
     @ProtoNumber(104) var history: List<BackupHistory> = emptyList(),
+    @ProtoNumber(105) var updateStrategy: UpdateStrategy = UpdateStrategy.ALWAYS_UPDATE,
 
     // SY specific values
     @ProtoNumber(600) var mergedMangaReferences: List<BackupMergedMangaReference> = emptyList(),
@@ -72,6 +74,7 @@ data class BackupManga(
             date_added = this@BackupManga.dateAdded
             viewer_flags = this@BackupManga.viewer_flags ?: this@BackupManga.viewer
             chapter_flags = this@BackupManga.chapterFlags
+            update_strategy = this@BackupManga.updateStrategy
             filtered_scanlators = this@BackupManga.filtered_scanlators
         }
     }
@@ -130,6 +133,7 @@ data class BackupManga(
                 viewer = (manga.viewerFlags.toInt() and ReadingModeType.MASK),
                 viewer_flags = manga.viewerFlags.toInt(),
                 chapterFlags = manga.chapterFlags.toInt(),
+                updateStrategy = manga.updateStrategy,
                 // SY -->
                 filtered_scanlators = manga.filteredScanlators?.let(listOfStringsAndAdapter::encode),
             ).also { backupManga ->

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

@@ -105,6 +105,7 @@ fun Manga.toDomainManga(): DomainManga? {
         ogStatus = originalStatus.toLong(),
         // SY <--
         thumbnailUrl = thumbnail_url,
+        updateStrategy = update_strategy,
         initialized = initialized,
         // SY -->
         filteredScanlators = filtered_scanlators?.let(listOfStringsAndAdapter::decode)?.nullIfEmpty(),

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

@@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.data.database.models
 import eu.kanade.tachiyomi.data.download.DownloadManager
 import eu.kanade.tachiyomi.data.library.CustomMangaManager
 import eu.kanade.tachiyomi.source.model.SManga
+import eu.kanade.tachiyomi.source.model.UpdateStrategy
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import uy.kohesive.injekt.injectLazy
@@ -58,6 +59,8 @@ open class MangaImpl : Manga {
 
     override var date_added: Long = 0
 
+    override var update_strategy: UpdateStrategy = UpdateStrategy.ALWAYS_UPDATE
+
     override var initialized: Boolean = false
 
     override var viewer_flags: Int = 0

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt

@@ -52,6 +52,7 @@ import eu.kanade.tachiyomi.data.track.TrackStatus
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.UnmeteredSource
 import eu.kanade.tachiyomi.source.model.SManga
+import eu.kanade.tachiyomi.source.model.UpdateStrategy
 import eu.kanade.tachiyomi.source.online.all.MergedSource
 import eu.kanade.tachiyomi.ui.manga.track.TrackItem
 import eu.kanade.tachiyomi.util.lang.withIOContext
@@ -435,6 +436,9 @@ class LibraryUpdateService(
                                             MANGA_NON_READ in restrictions && mangaWithNotif.totalChapters > 0 && !mangaWithNotif.hasStarted ->
                                                 skippedUpdates.add(mangaWithNotif to getString(R.string.skipped_reason_not_started))
 
+                                            mangaWithNotif.update_strategy != UpdateStrategy.ALWAYS_UPDATE ->
+                                                skippedUpdates.add(mangaWithNotif to getString(R.string.skipped_reason_not_always_update))
+
                                             else -> {
                                                 // Convert to the manga that contains new chapters
                                                 mangaWithNotif.toDomainManga()?.let { domainManga ->

app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt

@@ -38,7 +38,7 @@ internal object ExtensionLoader {
     private const val METADATA_HAS_README = "tachiyomi.extension.hasReadme"
     private const val METADATA_HAS_CHANGELOG = "tachiyomi.extension.hasChangelog"
     const val LIB_VERSION_MIN = 1.2
-    const val LIB_VERSION_MAX = 1.3
+    const val LIB_VERSION_MAX = 1.4
 
     private const val PACKAGE_FLAGS = PackageManager.GET_CONFIGURATIONS or PackageManager.GET_SIGNATURES
 

app/src/main/sqldelight/data/mangas.sq

@@ -1,3 +1,4 @@
+import eu.kanade.tachiyomi.source.model.UpdateStrategy;
 import java.lang.String;
 import kotlin.collections.List;
 
@@ -20,7 +21,8 @@ CREATE TABLE mangas(
     chapter_flags INTEGER NOT NULL,
     cover_last_modified INTEGER AS Long NOT NULL,
     date_added INTEGER AS Long NOT NULL,
-    filtered_scanlators TEXT AS List<String>
+    filtered_scanlators TEXT AS List<String>,
+    update_strategy INTEGER AS UpdateStrategy NOT NULL DEFAULT 0
 );
 
 CREATE INDEX library_favorite_index ON mangas(favorite) WHERE favorite = 1;
@@ -151,8 +153,8 @@ WHERE favorite = 0 AND source IN :sourceIdsAND AND _id NOT IN (
 );
 
 insert:
-INSERT INTO mangas(source,url,artist,author,description,genre,title,status,thumbnail_url,favorite,last_update,next_update,initialized,viewer,chapter_flags,cover_last_modified,date_added)
+INSERT INTO mangas(source,url,artist,author,description,genre,title,status,thumbnail_url,favorite,last_update,next_update,initialized,viewer,chapter_flags,cover_last_modified,date_added,filtered_scanlators,update_strategy)
-VALUES (:source,:url,:artist,:author,:description,:genre,:title,:status,:thumbnailUrl,:favorite,:lastUpdate,:nextUpdate,:initialized,:viewerFlags,:chapterFlags,:coverLastModified,:dateAdded);
+VALUES (:source,:url,:artist,:author,:description,:genre,:title,:status,:thumbnailUrl,:favorite,:lastUpdate,:nextUpdate,:initialized,:viewerFlags,:chapterFlags,:coverLastModified,:dateAdded,:filteredScanlators,:updateStrategy);
 
 update:
 UPDATE mangas SET
@@ -172,7 +174,8 @@ UPDATE mangas SET
     chapter_flags = coalesce(:chapterFlags, chapter_flags),
     cover_last_modified = coalesce(:coverLastModified, cover_last_modified),
     date_added = coalesce(:dateAdded, date_added),
-    filtered_scanlators = coalesce(:filteredScanlators, filtered_scanlators)
+    filtered_scanlators = coalesce(:filteredScanlators, filtered_scanlators),
+    update_strategy = coalesce(:updateStrategy, update_strategy)
 WHERE _id = :mangaId;
 
 selectLastInsertedRowId:

app/src/main/sqldelight/migrations/22.sqm

@@ -0,0 +1 @@
+ALTER TABLE mangas ADD COLUMN update_strategy INTEGER NOT NULL DEFAULT 0;

i18n/src/main/res/values/strings.xml

@@ -801,6 +801,7 @@
     <string name="skipped_reason_completed">Skipped because series is complete</string>
     <string name="skipped_reason_not_caught_up">Skipped because there are unread chapters</string>
     <string name="skipped_reason_not_started">Skipped because no chapters are read</string>
+    <string name="skipped_reason_not_always_update">Skipped because series does not require updates</string>
 
     <!-- File Picker Titles -->
     <string name="file_select_cover">Select cover image</string>

source-api/src/main/java/eu/kanade/tachiyomi/source/model/SManga.kt

@@ -20,6 +20,8 @@ interface SManga : Serializable {
 
     var thumbnail_url: String?
 
+    var update_strategy: UpdateStrategy
+
     var initialized: Boolean
 
     fun getGenres(): List<String>? {
@@ -65,6 +67,8 @@ interface SManga : Serializable {
 
         status = other.status
 
+        update_strategy = other.update_strategy
+
         if (!initialized) {
             initialized = other.initialized
         }
@@ -81,6 +85,7 @@ interface SManga : Serializable {
         it.status = originalStatus
         // SY <--
         it.thumbnail_url = thumbnail_url
+        it.update_strategy = update_strategy
         it.initialized = initialized
     }
 

source-api/src/main/java/eu/kanade/tachiyomi/source/model/SMangaImpl.kt

@@ -20,6 +20,8 @@ class SMangaImpl : SManga {
 
     override var thumbnail_url: String? = null
 
+    override var update_strategy: UpdateStrategy = UpdateStrategy.ALWAYS_UPDATE
+
     override var initialized: Boolean = false
 
     // SY -->

source-api/src/main/java/eu/kanade/tachiyomi/source/model/UpdateStrategy.kt

@@ -0,0 +1,22 @@
+package eu.kanade.tachiyomi.source.model
+
+/**
+ * Define the update strategy for a single [SManga].
+ * The strategy used will only take effect on the library update.
+ *
+ * @since extensions-lib 1.4
+ */
+enum class UpdateStrategy {
+    /**
+     * Series marked as always update will be included in the library
+     * update if they aren't excluded by additional restrictions.
+     */
+    ALWAYS_UPDATE,
+
+    /**
+     * Series marked as only fetch once will be automatically skipped
+     * during library updates. Useful for cases where the series is previously
+     * known to be finished and have only a single chapter, for example.
+     */
+    ONLY_FETCH_ONCE
+}