Use a unofficial cover api for mangadex browse

Co-authored-by: Henrik <henrik9999@users.noreply.github.com>

app/src/main/java/eu/kanade/tachiyomi/source/online/all/MangaDex.kt

@@ -7,6 +7,7 @@ import eu.kanade.tachiyomi.data.track.TrackManager
 import eu.kanade.tachiyomi.data.track.mdlist.MdList
 import eu.kanade.tachiyomi.network.GET
 import eu.kanade.tachiyomi.network.asObservableSuccess
+import eu.kanade.tachiyomi.source.model.FilterList
 import eu.kanade.tachiyomi.source.model.MangasPage
 import eu.kanade.tachiyomi.source.model.Page
 import eu.kanade.tachiyomi.source.model.SChapter
@@ -245,6 +246,29 @@ class MangaDex(delegate: HttpSource, val context: Context) :
         return SimilarHandler(baseHttpClient, mdLang.lang, preferences, useLowQualityThumbnail()).getSimilar(manga)
     }
 
+    //todo remove when mangadex gets it cover api
+    override fun fetchSearchManga(
+        page: Int,
+        query: String,
+        filters: FilterList
+    ): Observable<MangasPage> {
+        return super.fetchSearchManga(page, query, filters).doOnNext { mangaPage ->
+            mangaPage.mangas.forEach {
+                it.thumbnail_url = "https://coverapi.orell.dev/api/v1/mdaltimage/manga/${MdUtil.getMangaId(it.url)}/cover"
+            }
+        }
+    }
+
+    override fun fetchPopularManga(
+        page: Int
+    ): Observable<MangasPage> {
+        return super.fetchPopularManga(page).doOnNext { mangaPage ->
+            mangaPage.mangas.forEach {
+                it.thumbnail_url = "https://coverapi.orell.dev/api/v1/mdaltimage/manga/${MdUtil.getMangaId(it.url)}/cover"
+            }
+        }
+    }
+
     /*private fun importIdToMdId(query: String, fail: () -> Observable<MangasPage>): Observable<MangasPage> =
         when {
             query.toIntOrNull() != null -> {