Allow user to load installed extensions regardless of content warning (#3952)

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

@@ -48,6 +48,11 @@ class SourcePreferences(
         setOf(ContentWarning.SAFE, ContentWarning.MIXED, ContentWarning.NSFW),
     )
 
+    val applyContentWarningsToInstalled: Preference<Boolean> = preferenceStore.getBoolean(
+        "apply_content_warnings_to_installed",
+        true,
+    )
+
     val migrationSortingMode: Preference<SetMigrateSorting.Mode> = preferenceStore.getEnum(
         "pref_migration_sorting",
         SetMigrateSorting.Mode.ALPHABETICAL,

app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsBrowseScreen.kt

@@ -81,6 +81,22 @@ object SettingsBrowseScreen : SearchableSettings {
                             }
                         },
                     ),
+                    Preference.PreferenceItem.SwitchPreference(
+                        preference = sourcePreferences.applyContentWarningsToInstalled,
+                        title = stringResource(MR.strings.pref_apply_content_warnings_to_installed),
+                        subtitle = stringResource(MR.strings.pref_apply_content_warnings_to_installed_summary),
+                        onValueChanged = { newValue ->
+                            if (newValue) {
+                                true
+                            } else {
+                                (context as FragmentActivity).authenticate(
+                                    title = context.stringResource(
+                                        MR.strings.pref_apply_content_warnings_to_installed,
+                                    ),
+                                )
+                            }
+                        },
+                    ),
                     Preference.PreferenceItem.InfoPreference(stringResource(MR.strings.content_warnings_info)),
                 ),
             ),

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

@@ -223,7 +223,9 @@ internal object ExtensionLoader {
      */
     private suspend fun loadExtension(context: Context, extensionInfo: ExtensionInfo): LoadResult {
         val trustExtension: TrustExtension = context.appGraph.trustExtension
-        val enabledContentWarnings = context.appGraph.sourcePreferences.enabledContentWarnings.get()
+        val sourcePreferences = context.appGraph.sourcePreferences
+        val enabledContentWarnings = sourcePreferences.enabledContentWarnings.get()
+        val applyContentWarningsToInstalled = sourcePreferences.applyContentWarningsToInstalled.get()
 
         val pkgManager = context.packageManager
         val pkgInfo = extensionInfo.packageInfo
@@ -281,7 +283,7 @@ internal object ExtensionLoader {
             appInfo.metaData.getInt(METADATA_NSFW) == 1 -> ContentWarning.NSFW
             else -> ContentWarning.SAFE
         }
-        if (contentWarning !in enabledContentWarnings) {
+        if (applyContentWarningsToInstalled && contentWarning !in enabledContentWarnings) {
             logcat(LogPriority.WARN) { "Extension $pkgName with $contentWarning not allowed" }
             return LoadResult.Error
         }