MangaDex - fewer broken covers (#3569)

* MangaDex - fewer broken covers

* cleanup

* use lq for re-request

src/all/mangadex/build.gradle

@@ -5,7 +5,7 @@ ext {
     appName = 'Tachiyomi: MangaDex'
     pkgNameSuffix = 'all.mangadex'
     extClass = '.MangaDexFactory'
-    extVersionCode = 93
+    extVersionCode = 94
     libVersion = '1.2'
 }
 

src/all/mangadex/src/eu/kanade/tachiyomi/extension/all/mangadex/MangaDex.kt

@@ -35,6 +35,7 @@ import kotlin.collections.set
 import okhttp3.CacheControl
 import okhttp3.Headers
 import okhttp3.HttpUrl
+import okhttp3.Interceptor
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.Response
@@ -70,6 +71,7 @@ abstract class MangaDex(
 
     override val client: OkHttpClient = network.client.newBuilder()
         .addNetworkInterceptor(rateLimitInterceptor)
+        .addInterceptor(CoverInterceptor())
         .build()
 
     private fun clientBuilder(): OkHttpClient = clientBuilder(getShowR18())
@@ -946,3 +948,20 @@ abstract class MangaDex(
         private var hasMangaPlus = false
     }
 }
+
+class CoverInterceptor : Interceptor {
+    private val coverRegex = Regex("""/images/.*\.jpg""")
+
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val originalRequest = chain.request()
+
+        return chain.proceed(chain.request()).let { response ->
+            if (response.code() == 404 && originalRequest.url().toString().contains(coverRegex)) {
+                response.close()
+                chain.proceed(originalRequest.newBuilder().url(originalRequest.url().toString().substringBeforeLast(".") + ".thumb.jpg").build())
+            } else {
+                response
+            }
+        }
+    }
+}