Fix: crash upon open RecommendsScreen if source is removed

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreen.kt

@@ -63,6 +63,7 @@ import eu.kanade.tachiyomi.ui.webview.WebViewScreen
 import eu.kanade.tachiyomi.util.system.toast
 import exh.md.follows.MangaDexFollowsScreen
 import exh.source.isEhBasedSource
+import exh.source.isMdBasedSource
 import exh.ui.smartsearch.SmartSearchScreen
 import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.flow.collectLatest
@@ -408,7 +409,7 @@ data class BrowseSourceScreen(
                     // KMK -->
                     onSavedSearchPressDesc = stringResource(KMR.strings.saved_searches_delete),
                     // KMK <--
-                    openMangaDexRandom = if (screenModel.sourceIsMangaDex) {
+                    openMangaDexRandom = if (screenModel.source.isMdBasedSource()) {
                         {
                             screenModel.onMangaDexRandom {
                                 navigator.replace(
@@ -422,7 +423,7 @@ data class BrowseSourceScreen(
                     } else {
                         null
                     },
-                    openMangaDexFollows = if (screenModel.sourceIsMangaDex) {
+                    openMangaDexFollows = if (screenModel.source.isMdBasedSource()) {
                         {
                             navigator.replace(MangaDexFollowsScreen(sourceId))
                         }

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreenModel.kt

@@ -31,7 +31,6 @@ import eu.kanade.tachiyomi.source.online.all.MangaDex
 import eu.kanade.tachiyomi.util.removeCovers
 import exh.metadata.metadata.RaisedSearchMetadata
 import exh.source.getMainSource
-import exh.source.mangaDexSourceIds
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.persistentListOf
 import kotlinx.collections.immutable.toImmutableList
@@ -125,8 +124,6 @@ open class BrowseSourceScreenModel(
     val startExpanded by uiPreferences.expandFilters().asState(screenModelScope)
 
     private val filterSerializer = FilterSerializer()
-
-    val sourceIsMangaDex = sourceId in mangaDexSourceIds
     // SY <--
 
     init {

app/src/main/java/exh/recs/BrowseRecommendsScreenModel.kt

@@ -7,6 +7,7 @@ import exh.recs.sources.RecommendationPagingSource
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.runBlocking
 import tachiyomi.domain.manga.interactor.GetManga
+import tachiyomi.domain.source.service.SourceManager
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 
@@ -15,12 +16,25 @@ class BrowseRecommendsScreenModel(
     sourceId: Long,
     private val recommendationSourceName: String,
     private val getManga: GetManga = Injekt.get(),
+    // KMK -->
+    sourceManager: SourceManager = Injekt.get(),
+    // KMK <--
 ) : BrowseSourceScreenModel(sourceId, null) {
 
     val manga = runBlocking { getManga.await(mangaId) }!!
 
+    // KMK -->
+    val source_ = sourceManager.get(sourceId)
+        ?.let { it as CatalogueSource }
+    // KMK <--
+
     val recommendationSource: RecommendationPagingSource
-        get() = RecommendationPagingSource.createSources(manga, source as CatalogueSource).first {
+        get() = RecommendationPagingSource.createSources(
+            manga,
+            // KMK -->
+            source_,
+            // KMK <--
+        ).first {
             it::class.qualifiedName == recommendationSourceName
         }
 

app/src/main/java/exh/recs/RecommendsScreenModel.kt

@@ -37,7 +37,10 @@ open class RecommendsScreenModel(
     internal val networkToLocalManga: NetworkToLocalManga = Injekt.get(),
 ) : StateScreenModel<RecommendsScreenModel.State>(State()) {
 
-    val source = sourceManager.getOrStub(sourceId) as CatalogueSource
+    val source = sourceManager.get(sourceId)
+        // KMK -->
+        ?.let { it as CatalogueSource }
+    // KMK <--
 
     private val coroutineDispatcher = Dispatchers.IO.limitedParallelism(5)
 

app/src/main/java/exh/recs/sources/AniListPagingSource.kt

@@ -21,7 +21,7 @@ import tachiyomi.core.common.util.system.logcat
 import tachiyomi.domain.manga.model.Manga
 import tachiyomi.i18n.sy.SYMR
 
-class AniListPagingSource(manga: Manga, source: CatalogueSource) : TrackerRecommendationPagingSource(
+class AniListPagingSource(manga: Manga, source: CatalogueSource?) : TrackerRecommendationPagingSource(
     "https://graphql.anilist.co/", source, manga,
 ) {
     override val name: String

app/src/main/java/exh/recs/sources/MangaUpdatesPagingSource.kt

@@ -23,7 +23,7 @@ import tachiyomi.core.common.util.system.logcat
 import tachiyomi.domain.manga.model.Manga
 import tachiyomi.i18n.sy.SYMR
 
-abstract class MangaUpdatesPagingSource(manga: Manga, source: CatalogueSource) : TrackerRecommendationPagingSource(
+abstract class MangaUpdatesPagingSource(manga: Manga, source: CatalogueSource?) : TrackerRecommendationPagingSource(
     "https://api.mangaupdates.com/v1/", source, manga,
 ) {
     override val name: String
@@ -98,14 +98,14 @@ abstract class MangaUpdatesPagingSource(manga: Manga, source: CatalogueSource) :
     }
 }
 
-class MangaUpdatesCommunityPagingSource(manga: Manga, source: CatalogueSource) : MangaUpdatesPagingSource(manga, source) {
+class MangaUpdatesCommunityPagingSource(manga: Manga, source: CatalogueSource?) : MangaUpdatesPagingSource(manga, source) {
     override val category: StringResource
         get() = SYMR.strings.community_recommendations
     override val recommendationJsonObjectName: String
         get() = "recommendations"
 }
 
-class MangaUpdatesSimilarPagingSource(manga: Manga, source: CatalogueSource) : MangaUpdatesPagingSource(manga, source) {
+class MangaUpdatesSimilarPagingSource(manga: Manga, source: CatalogueSource?) : MangaUpdatesPagingSource(manga, source) {
     override val category: StringResource
         get() = SYMR.strings.similar_titles
     override val recommendationJsonObjectName: String

app/src/main/java/exh/recs/sources/MyAnimeListPagingSource.kt

@@ -17,7 +17,7 @@ import tachiyomi.core.common.util.system.logcat
 import tachiyomi.domain.manga.model.Manga
 import tachiyomi.i18n.sy.SYMR
 
-class MyAnimeListPagingSource(manga: Manga, source: CatalogueSource) : TrackerRecommendationPagingSource(
+class MyAnimeListPagingSource(manga: Manga, source: CatalogueSource?) : TrackerRecommendationPagingSource(
     "https://api.jikan.moe/v4/", source, manga,
 ) {
     override val name: String

app/src/main/java/exh/recs/sources/RecommendationPagingSource.kt

@@ -26,7 +26,7 @@ import uy.kohesive.injekt.injectLazy
  * General class for recommendation sources.
  */
 abstract class RecommendationPagingSource(
-    source: CatalogueSource,
+    source: CatalogueSource?,
     protected val manga: Manga,
 ) : SourcePagingSource(source) {
     // Display name
@@ -44,7 +44,7 @@ abstract class RecommendationPagingSource(
     open val associatedSourceId: Long? = null
 
     companion object {
-        fun createSources(manga: Manga, source: CatalogueSource): List<RecommendationPagingSource> {
+        fun createSources(manga: Manga, source: CatalogueSource?): List<RecommendationPagingSource> {
             return buildList {
                 add(AniListPagingSource(manga, source))
                 add(MangaUpdatesCommunityPagingSource(manga, source))
@@ -52,12 +52,23 @@ abstract class RecommendationPagingSource(
                 add(MyAnimeListPagingSource(manga, source))
 
                 // Only include MangaDex if the delegate sources are enabled and the source is MD-based
-                if (source.isMdBasedSource() && Injekt.get<DelegateSourcePreferences>().delegateSources().get()) {
+                if (
+                    // KMK -->
+                    source != null &&
+                    // KMK <--
+                    source.isMdBasedSource() &&
+                    Injekt.get<DelegateSourcePreferences>().delegateSources().get()
+                ) {
                     add(MangaDexSimilarPagingSource(manga, source.getMainSource() as MangaDex))
                 }
 
                 // Only include Comick if the source manga is from there
-                if (source.isComickSource()) {
+                if (
+                    // KMK -->
+                    source != null &&
+                    // KMK <--
+                    source.isComickSource()
+                ) {
                     add(ComickPagingSource(manga, source))
                 }
             }.sortedWith(compareBy({ it.name }, { it.category.resourceId }))
@@ -70,7 +81,7 @@ abstract class RecommendationPagingSource(
  */
 abstract class TrackerRecommendationPagingSource(
     protected val endpoint: String,
-    source: CatalogueSource,
+    source: CatalogueSource?,
     manga: Manga,
 ) : RecommendationPagingSource(source, manga) {
     private val getTracks: GetTracks by injectLazy()

data/src/main/java/tachiyomi/data/source/SourcePagingSource.kt

@@ -10,27 +10,27 @@ import exh.metadata.metadata.RaisedSearchMetadata
 import tachiyomi.core.common.util.lang.withIOContext
 import tachiyomi.domain.source.repository.SourcePagingSourceType
 
-class SourceSearchPagingSource(source: CatalogueSource, val query: String, val filters: FilterList) :
+class SourceSearchPagingSource(/* KMK --> */ override val /* KMK <-- */source: CatalogueSource, val query: String, val filters: FilterList) :
     SourcePagingSource(source) {
     override suspend fun requestNextPage(currentPage: Int): MangasPage {
         return source.getSearchManga(currentPage, query, filters)
     }
 }
 
-class SourcePopularPagingSource(source: CatalogueSource) : SourcePagingSource(source) {
+class SourcePopularPagingSource(/* KMK --> */ override val /* KMK <-- */source: CatalogueSource) : SourcePagingSource(source) {
     override suspend fun requestNextPage(currentPage: Int): MangasPage {
         return source.getPopularManga(currentPage)
     }
 }
 
-class SourceLatestPagingSource(source: CatalogueSource) : SourcePagingSource(source) {
+class SourceLatestPagingSource(/* KMK --> */ override val /* KMK <-- */source: CatalogueSource) : SourcePagingSource(source) {
     override suspend fun requestNextPage(currentPage: Int): MangasPage {
         return source.getLatestUpdates(currentPage)
     }
 }
 
 abstract class SourcePagingSource(
-    protected open val source: CatalogueSource,
+    protected open val source: CatalogueSource?,
 ) : SourcePagingSourceType() {
 
     abstract suspend fun requestNextPage(currentPage: Int): MangasPage