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.

(cherry picked from commit 5ea03fad8793a810514b41fe8308f89b25368c4d)

# Conflicts:
#	app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/MigrationFlags.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/search/SearchController.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/search/SearchPresenter.kt
(cherry picked from commit ed39b61ee9bb9ccec7edc8be82005e9ac95d5e22)

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

@@ -1,21 +1,12 @@
 package eu.kanade.tachiyomi.ui.browse.migration
 
-import eu.kanade.tachiyomi.R
-
 object MigrationFlags {
 
-    const val CHAPTERS = 0b0001
-    const val CATEGORIES = 0b0010
-    const val TRACK = 0b0100
-    const val EXTRA = 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, R.string.log_extra)
-
-    val flags get() = arrayOf(CHAPTERS, CATEGORIES, TRACK, EXTRA)
+    const val CHAPTERS = 0b00001
+    const val CATEGORIES = 0b00010
+    const val TRACK = 0b00100
+    const val CUSTOM_COVER = 0b01000
+    const val EXTRA = 0b10000
 
     fun hasChapters(value: Int): Boolean {
         return value and CHAPTERS != 0
@@ -29,15 +20,11 @@ object MigrationFlags {
         return value and TRACK != 0
     }
 
+    fun hasCustomCover(value: Int): Boolean {
+        return value and CUSTOM_COVER != 0
+    }
+
     fun hasExtra(value: Int): Boolean {
         return value and EXTRA != 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) })
-    }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/advanced/design/MigrationBottomSheetDialog.kt

@@ -62,11 +62,13 @@ class MigrationBottomSheetDialog(private val activity: Activity, private val lis
         binding.migChapters.isChecked = MigrationFlags.hasChapters(flags)
         binding.migCategories.isChecked = MigrationFlags.hasCategories(flags)
         binding.migTracking.isChecked = MigrationFlags.hasTracks(flags)
+        binding.migCustomCover.isChecked = MigrationFlags.hasCustomCover(flags)
         binding.migExtra.isChecked = MigrationFlags.hasExtra(flags)
 
         binding.migChapters.setOnCheckedChangeListener { _, _ -> setFlags() }
         binding.migCategories.setOnCheckedChangeListener { _, _ -> setFlags() }
         binding.migTracking.setOnCheckedChangeListener { _, _ -> setFlags() }
+        binding.migCustomCover.setOnCheckedChangeListener { _, _ -> setFlags() }
         binding.migExtra.setOnCheckedChangeListener { _, _ -> setFlags() }
 
         binding.useSmartSearch.bindToPreference(preferences.smartMigration())
@@ -93,6 +95,7 @@ class MigrationBottomSheetDialog(private val activity: Activity, private val lis
         if (binding.migChapters.isChecked) flags = flags or MigrationFlags.CHAPTERS
         if (binding.migCategories.isChecked) flags = flags or MigrationFlags.CATEGORIES
         if (binding.migTracking.isChecked) flags = flags or MigrationFlags.TRACK
+        if (binding.migCustomCover.isChecked) flags = flags or MigrationFlags.CUSTOM_COVER
         if (binding.migExtra.isChecked) flags = flags or MigrationFlags.EXTRA
         preferences.migrateFlags().set(flags)
     }

app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/advanced/process/MigrationProcessAdapter.kt

@@ -2,6 +2,7 @@ package eu.kanade.tachiyomi.ui.browse.migration.advanced.process
 
 import android.view.MenuItem
 import eu.davidea.flexibleadapter.FlexibleAdapter
+import eu.kanade.tachiyomi.data.cache.CoverCache
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.History
@@ -9,6 +10,7 @@ import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.database.models.MangaCategory
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.ui.browse.migration.MigrationFlags
+import eu.kanade.tachiyomi.util.hasCustomCover
 import eu.kanade.tachiyomi.util.lang.launchUI
 import eu.kanade.tachiyomi.util.lang.withIOContext
 import kotlinx.coroutines.cancel
@@ -19,6 +21,7 @@ class MigrationProcessAdapter(
 ) : FlexibleAdapter<MigrationProcessItem>(null, controller, true) {
     private val db: DatabaseHelper by injectLazy()
     private val preferences: PreferencesHelper by injectLazy()
+    private val coverCache: CoverCache by injectLazy()
 
     var items: List<MigrationProcessItem> = emptyList()
 
@@ -148,11 +151,17 @@ class MigrationProcessAdapter(
         // Update track
         if (MigrationFlags.hasTracks(flags)) {
             val tracks = db.getTracks(prevManga).executeAsBlocking()
-            for (track in tracks) {
-                track.id = null
-                track.manga_id = manga.id!!
+            if (tracks.isNotEmpty()) {
+                tracks.forEach { track ->
+                    track.id = null
+                    track.manga_id = manga.id!!
+                }
+                db.insertTracks(tracks).executeAsBlocking()
             }
-            db.insertTracks(tracks).executeAsBlocking()
+        }
+        // Update custom cover
+        if (MigrationFlags.hasCustomCover(flags) && prevManga.hasCustomCover(coverCache)) {
+            coverCache.setCustomCoverToCache(manga, coverCache.getCustomCoverFile(prevManga).inputStream())
         }
         // Update extras
         if (MigrationFlags.hasExtra(flags)) {

app/src/main/res/layout/migration_bottom_sheet.xml

@@ -72,6 +72,14 @@
                     android:checked="true"
                     android:text="@string/track" />
 
+                <CheckBox
+                    android:id="@+id/mig_custom_cover"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:checked="true"
+                    android:text="@string/custom_cover" />
+
                 <CheckBox
                     android:id="@+id/mig_extra"
                     android:layout_width="wrap_content"

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

@@ -617,6 +617,7 @@
     <string name="download_custom">Custom</string>
     <string name="download_all">All</string>
     <string name="download_unread">Unread</string>
+    <string name="custom_cover">Custom cover</string>
     <string name="manga_cover">Cover</string>
     <string name="cover_saved">Cover saved</string>
     <string name="error_saving_cover">Error saving cover</string>