Add option to invalidate download cache (#8491)

* Add option to invalidate download cache

* Review changes + lint

(cherry picked from commit 08d5633d81)

# Conflicts:
#	app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsAdvancedScreen.kt

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

@@ -52,6 +52,7 @@ import eu.kanade.presentation.util.collectAsState
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.cache.ChapterCache
 import eu.kanade.tachiyomi.data.cache.PagePreviewCache
+import eu.kanade.tachiyomi.data.download.DownloadCache
 import eu.kanade.tachiyomi.data.download.DownloadManager
 import eu.kanade.tachiyomi.data.library.LibraryUpdateService
 import eu.kanade.tachiyomi.data.preference.PreferenceValues
@@ -249,6 +250,11 @@ class SettingsAdvancedScreen : SearchableSettings {
                     pref = libraryPreferences.autoClearChapterCache(),
                     title = stringResource(R.string.pref_auto_clear_chapter_cache),
                 ),
+                Preference.PreferenceItem.TextPreference(
+                    title = stringResource(R.string.pref_invalidate_download_cache),
+                    subtitle = stringResource(R.string.pref_invalidate_download_cache_summary),
+                    onClick = { Injekt.get<DownloadCache>().invalidateCache() },
+                ),
                 Preference.PreferenceItem.TextPreference(
                     title = stringResource(R.string.pref_clear_database),
                     subtitle = stringResource(R.string.pref_clear_database_summary),

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadCache.kt

@@ -248,6 +248,10 @@ class DownloadCache(
         return UniFile.fromUri(context, dir.toUri())
     }
 
+    fun invalidateCache() {
+        lastRenew = 0L
+    }
+
     /**
      * Renews the downloads cache.
      */