New: Migrating titles maintains custom covers (#7196)

* New: Migrating titles maintains custom covers #7189

* Added Custom Covers to MigrationFlags.kt, strings.xml

* Reworded covers --> cover

* Updated logic to show/hide Migration flags titles depending on manga.

app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/MigrationFlags.kt

@@ -1,20 +1,29 @@
 package eu.kanade.tachiyomi.ui.browse.migration
 
 import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.cache.CoverCache
+import eu.kanade.tachiyomi.data.database.DatabaseHelper
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.util.hasCustomCover
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+import uy.kohesive.injekt.injectLazy
 
 object MigrationFlags {
 
-    private const val CHAPTERS = 0b001
-    private const val CATEGORIES = 0b010
-    private const val TRACK = 0b100
+    private const val CHAPTERS = 0b0001
+    private const val CATEGORIES = 0b0010
+    private const val TRACK = 0b0100
+    private const val CUSTOM_COVER = 0b1000
 
     private const val CHAPTERS2 = 0x1
     private const val CATEGORIES2 = 0x2
     private const val TRACK2 = 0x4
 
-    val titles get() = arrayOf(R.string.chapters, R.string.categories, R.string.track)
+	private val coverCache: CoverCache by injectLazy()
+	private val db: DatabaseHelper = Injekt.get()
 
-    val flags get() = arrayOf(CHAPTERS, CATEGORIES, TRACK)
+    val flags get() = arrayOf(CHAPTERS, CATEGORIES, TRACK, CUSTOM_COVER)
 
     fun hasChapters(value: Int): Boolean {
         return value and CHAPTERS != 0
@@ -28,11 +37,31 @@ object MigrationFlags {
         return value and TRACK != 0
     }
 
+    fun hasCustomCover(value: Int): Boolean {
+        return value and CUSTOM_COVER != 0
+    }
+
     fun getEnabledFlagsPositions(value: Int): List<Int> {
         return flags.mapIndexedNotNull { index, flag -> if (value and flag != 0) index else null }
     }
 
     fun getFlagsFromPositions(positions: Array<Int>): Int {
-        return positions.fold(0, { accumulated, position -> accumulated or (1 shl position) })
+        return positions.fold(0) { accumulated, position -> accumulated or (1 shl position) }
     }
+
+	fun titles(manga: Manga?): Array<Int> {
+		val titles = arrayOf(R.string.chapters, R.string.categories).toMutableList()
+		if (manga != null) {
+			db.inTransaction {
+				if (db.getTracks(manga).executeAsBlocking().isNotEmpty()) {
+					titles.add(R.string.track)
+				}
+
+				if (manga.hasCustomCover(coverCache)) {
+					titles.add(R.string.custom_cover)
+				}
+			}
+		}
+			return titles.toTypedArray()
+	}
 }

app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/search/SearchController.kt

@@ -104,7 +104,7 @@ class SearchController(
         override fun onCreateDialog(savedViewState: Bundle?): Dialog {
             val prefValue = preferences.migrateFlags().get()
             val enabledFlagsPositions = MigrationFlags.getEnabledFlagsPositions(prefValue)
-            val items = MigrationFlags.titles
+            val items = MigrationFlags.titles(manga)
                 .map { resources?.getString(it) }
                 .toTypedArray()
             val selected = items

app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/search/SearchPresenter.kt

@@ -2,6 +2,7 @@ package eu.kanade.tachiyomi.ui.browse.migration.search
 
 import android.os.Bundle
 import com.jakewharton.rxrelay.BehaviorRelay
+import eu.kanade.tachiyomi.data.cache.CoverCache
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.database.models.MangaCategory
 import eu.kanade.tachiyomi.data.database.models.toMangaInfo
@@ -17,12 +18,14 @@ import eu.kanade.tachiyomi.ui.browse.source.globalsearch.GlobalSearchCardItem
 import eu.kanade.tachiyomi.ui.browse.source.globalsearch.GlobalSearchItem
 import eu.kanade.tachiyomi.ui.browse.source.globalsearch.GlobalSearchPresenter
 import eu.kanade.tachiyomi.util.chapter.syncChaptersWithSource
+import eu.kanade.tachiyomi.util.hasCustomCover
 import eu.kanade.tachiyomi.util.lang.launchIO
 import eu.kanade.tachiyomi.util.lang.launchUI
 import eu.kanade.tachiyomi.util.lang.withUIContext
 import eu.kanade.tachiyomi.util.system.toast
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
+import uy.kohesive.injekt.injectLazy
 import java.util.Date
 
 class SearchPresenter(
@@ -31,7 +34,7 @@ class SearchPresenter(
 ) : GlobalSearchPresenter(initialQuery) {
 
     private val replacingMangaRelay = BehaviorRelay.create<Pair<Boolean, Manga?>>()
-
+    private val coverCache: CoverCache by injectLazy()
     private val enhancedServices by lazy { Injekt.get<TrackManager>().services.filterIsInstance<EnhancedTrackService>() }
 
     override fun onCreate(savedState: Bundle?) {
@@ -103,6 +106,10 @@ class SearchPresenter(
             MigrationFlags.hasTracks(
                 flags,
             )
+        val migrateCustomCover =
+            MigrationFlags.hasCustomCover(
+                flags,
+            )
 
         db.inTransaction {
             // Update chapters read
@@ -174,6 +181,11 @@ class SearchPresenter(
                 manga.date_added = Date().time
             }
 
+            // Update custom cover
+            if (migrateCustomCover) {
+                coverCache.setCustomCoverToCache(manga, coverCache.getCustomCoverFile(prevManga).inputStream())
+            }
+
             // SearchPresenter#networkToLocalManga may have updated the manga title,
             // so ensure db gets updated title too
             db.insertManga(manga).executeAsBlocking()