feat(migration): Allow skipping smart search for single entry migration (#1496)

* feat(migration): Allow skipping smart search for single entry migration

Introduces a "Smart search" setting when migrating a single manga, allowing users to choose between an automated best-match search or manual selection directly.

* ensure manual migration is only triggered once

* Add UI toggle

* refactor pref

app/src/main/java/eu/kanade/domain/source/service/SourcePreferences.kt

@@ -87,6 +87,8 @@ class SourcePreferences(
     fun migrationHideWithoutUpdates() = preferenceStore.getBoolean("migration_hide_without_updates", false)
 
     // KMK -->
+    fun migrationSmartSearchSingleEntry() = preferenceStore.getBoolean("migration_smart_search_single_entry", false)
+
     fun globalSearchPinnedState() = preferenceStore.getEnum(
         Preference.appStateKey("global_search_pinned_toggle_state"),
         SourceFilter.PinnedOnly,

app/src/main/java/mihon/feature/migration/config/MigrationConfigScreen.kt

@@ -121,7 +121,7 @@ class MigrationConfigScreen(private val mangaIds: Collection<Long>) : Screen() {
                 return
             }
             val screen = // KMK --> if (mangaId == null) {
-                MigrationListScreen(mangaIds, extraSearchQuery)
+                MigrationListScreen(mangaIds, extraSearchQuery, screenModel.sourcePreferences.migrationSmartSearchSingleEntry().get())
             // KMK -->
             // } else {
             //     MigrateSearchScreen(mangaId)
@@ -297,6 +297,9 @@ class MigrationConfigScreen(private val mangaIds: Collection<Long>) : Screen() {
                     migrationSheetOpen = false
                     continueMigration(openSheet = false, extraSearchQuery = extraSearchQuery)
                 },
+                // KMK -->
+                isSingleEntry = mangaIds.size == 1,
+                // KMK <--
             )
         }
     }

app/src/main/java/mihon/feature/migration/config/MigrationConfigScreenSheet.kt

@@ -39,6 +39,7 @@ import tachiyomi.core.common.preference.Preference
 import tachiyomi.core.common.preference.getAndSet
 import tachiyomi.core.common.preference.toggle
 import tachiyomi.i18n.MR
+import tachiyomi.i18n.kmk.KMR
 import tachiyomi.presentation.core.components.material.Button
 import tachiyomi.presentation.core.components.material.padding
 import tachiyomi.presentation.core.i18n.stringResource
@@ -53,6 +54,7 @@ fun MigrationConfigScreenSheet(
     onStartMigration: (extraSearchQuery: String?) -> Unit,
     // KMK -->
     fullSettings: Boolean = true,
+    isSingleEntry: Boolean = false,
     // KMK <--
 ) {
     var extraSearchQuery by rememberSaveable { mutableStateOf("") }
@@ -160,17 +162,30 @@ fun MigrationConfigScreenSheet(
                 if (fullSettings) {
                     // KMK <--
                     MigrationSheetDividerItem()
-                    MigrationSheetWarningItem(stringResource(MR.strings.migrationConfigScreen_enhancedOptionsWarning))
-                    MigrationSheetSwitchItem(
-                        title = stringResource(MR.strings.migrationConfigScreen_deepSearchModeTitle),
-                        subtitle = stringResource(MR.strings.migrationConfigScreen_deepSearchModeSubtitle),
-                        preference = preferences.migrationDeepSearchMode(),
-                    )
-                    MigrationSheetSwitchItem(
-                        title = stringResource(MR.strings.migrationConfigScreen_prioritizeByChaptersTitle),
-                        subtitle = stringResource(MR.strings.migrationConfigScreen_prioritizeByChaptersSubtitle),
-                        preference = preferences.migrationPrioritizeByChapters(),
-                    )
+                    // KMK -->
+                    val migrationSmartSearchSingleEntryPref = preferences.migrationSmartSearchSingleEntry()
+                    val isSmartSearchSingleEntry by migrationSmartSearchSingleEntryPref.collectAsState()
+                    if (isSingleEntry) {
+                        MigrationSheetSwitchItem(
+                            title = stringResource(KMR.strings.migrationConfigScreen_smartSearchSingleEntryTitle),
+                            subtitle = stringResource(KMR.strings.migrationConfigScreen_smartSearchSingleEntrySubtitle),
+                            preference = migrationSmartSearchSingleEntryPref,
+                        )
+                    }
+                    if (!isSingleEntry || isSmartSearchSingleEntry) {
+                        // KMK <--
+                        MigrationSheetWarningItem(stringResource(MR.strings.migrationConfigScreen_enhancedOptionsWarning))
+                        MigrationSheetSwitchItem(
+                            title = stringResource(MR.strings.migrationConfigScreen_deepSearchModeTitle),
+                            subtitle = stringResource(MR.strings.migrationConfigScreen_deepSearchModeSubtitle),
+                            preference = preferences.migrationDeepSearchMode(),
+                        )
+                        MigrationSheetSwitchItem(
+                            title = stringResource(MR.strings.migrationConfigScreen_prioritizeByChaptersTitle),
+                            subtitle = stringResource(MR.strings.migrationConfigScreen_prioritizeByChaptersSubtitle),
+                            preference = preferences.migrationPrioritizeByChapters(),
+                        )
+                    }
                 }
             }
             HorizontalDivider()

app/src/main/java/mihon/feature/migration/list/MigrationListScreen.kt

@@ -6,6 +6,9 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.platform.LocalContext
 import cafe.adriel.voyager.core.model.rememberScreenModel
 import cafe.adriel.voyager.navigator.LocalNavigator
@@ -25,7 +28,13 @@ import tachiyomi.i18n.MR
 /**
  * Screen showing a list of pair of current-target manga entries being migrated.
  */
-class MigrationListScreen(private val mangaIds: Collection<Long>, private val extraSearchQuery: String?) : Screen() {
+class MigrationListScreen(
+    private val mangaIds: Collection<Long>,
+    private val extraSearchQuery: String?,
+    // KMK -->
+    private val isSmartSearchSingleEntry: Boolean = false,
+    // KMK <--
+) : Screen() {
 
     private var matchOverride: Pair<Long, Long>? = null
 
@@ -36,10 +45,24 @@ class MigrationListScreen(private val mangaIds: Collection<Long>, private val ex
     @Composable
     override fun Content() {
         val navigator = LocalNavigator.currentOrThrow
-        val screenModel = rememberScreenModel { MigrationListScreenModel(mangaIds, extraSearchQuery) }
+        // KMK -->
+        val singleEntryNoSmartSearch = mangaIds.size == 1 && !isSmartSearchSingleEntry
+        // KMK <--
+        val screenModel = rememberScreenModel { MigrationListScreenModel(mangaIds, extraSearchQuery, /* KMK --> */ singleEntryNoSmartSearch /* KMK <-- */) }
         val state by screenModel.state.collectAsState()
         val context = LocalContext.current
 
+        // KMK -->
+        var hasPushedManual by rememberSaveable(mangaIds) { mutableStateOf(false) }
+        LaunchedEffect(mangaIds) {
+            if (singleEntryNoSmartSearch && !hasPushedManual) {
+                @Suppress("AssignedValueIsNeverRead")
+                hasPushedManual = true
+                navigator.push(MigrateSearchScreen(mangaIds.single()))
+            }
+        }
+        // KMK <--
+
         LaunchedEffect(matchOverride) {
             val (current, target) = matchOverride ?: return@LaunchedEffect
             screenModel.useMangaForMigration(

app/src/main/java/mihon/feature/migration/list/MigrationListScreenModel.kt

@@ -48,6 +48,9 @@ import uy.kohesive.injekt.api.get
 class MigrationListScreenModel(
     mangaIds: Collection<Long>,
     extraSearchQuery: String?,
+    // KMK -->
+    runManually: Boolean = false,
+    // KMK <--
     val preferences: SourcePreferences = Injekt.get(),
     private val sourceManager: SourceManager = Injekt.get(),
     private val getManga: GetManga = Injekt.get(),
@@ -100,12 +103,19 @@ class MigrationListScreenModel(
                                 // KMK <--
                             ),
                             parentContext = screenModelScope.coroutineContext,
-                        )
+                            // KMK -->
+                        ).apply {
+                            if (runManually) searchResult.value = SearchResult.NotFound
+                            // KMK <--
+                        }
                     }
                 }
                 .awaitAll()
                 .filterNotNull()
             mutableState.update { it.copy(items = manga.toImmutableList()) }
+            // KMK -->
+            if (runManually) return@launchIO
+            // KMK <--
             runMigrations(manga)
         }
     }

i18n-kmk/src/commonMain/moko-resources/base/strings.xml

@@ -183,6 +183,8 @@
     <string name="sort_feed_confirmation">Would you like to sort the feeds alphabetically?</string>
     <!-- Migration -->
     <string name="current_">Current: %1$s</string>
+    <string name="migrationConfigScreen_smartSearchSingleEntryTitle">Use smart search</string>
+    <string name="migrationConfigScreen_smartSearchSingleEntrySubtitle">If enabled, automatically picks the best match result. Otherwise, shows all search results for manual selection.</string>
     <!-- Misc -->
     <string name="job_failed_schedule_update_check">Failed to schedule automatic library update: %s</string>
     <string name="job_failed_schedule_backup_check">Failed to schedule automatic backup: %s</string>