[Mangadex] Fallback to uploader name for uploads that are missing group info entirely (#10023)

This also filters out the legacy MDv3 'no group' entity

src/all/mangadex/build.gradle

@@ -6,7 +6,7 @@ ext {
     extName = 'MangaDex'
     pkgNameSuffix = 'all.mangadex'
     extClass = '.MangaDexFactory'
-    extVersionCode = 145
+    extVersionCode = 146
     isNsfw = true
 }
 

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

@@ -15,8 +15,10 @@ object MDConstants {
     const val manga = "manga"
     const val coverArt = "cover_art"
     const val scanlator = "scanlation_group"
+    const val uploader = "user"
     const val author = "author"
     const val artist = "artist"
+    const val legacyNoGroupId = "00e03853-1b96-4f41-9542-c71b8692033b"
 
     const val cdnUrl = "https://uploads.mangadex.org"
     const val apiUrl = "https://api.mangadex.org"

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

@@ -43,7 +43,7 @@ class MangaDexHelper() {
      * get chapters for manga (aka manga/$id/feed endpoint)
      */
     fun getChapterEndpoint(mangaId: String, offset: Int, langCode: String) =
-        "${MDConstants.apiMangaUrl}/$mangaId/feed?includes[]=${MDConstants.scanlator}&limit=500&offset=$offset&translatedLanguage[]=$langCode&order[volume]=desc&order[chapter]=desc"
+        "${MDConstants.apiMangaUrl}/$mangaId/feed?includes[]=${MDConstants.scanlator}&includes[]=${MDConstants.uploader}&limit=500&offset=$offset&translatedLanguage[]=$langCode&order[volume]=desc&order[chapter]=desc"
 
     /**
      * Check if the manga url is a valid uuid
@@ -276,10 +276,19 @@ class MangaDexHelper() {
                     MDConstants.scanlator,
                     true
                 )
-            }.mapNotNull { it.attributes!!.name }
+            }.filterNot { it.id == MDConstants.legacyNoGroupId } // 'no group' left over from MDv3
+                .mapNotNull { it.attributes!!.name }
                 .joinToString(" & ")
-                .replace("no group", "No Group")
-                .ifEmpty { "No Group" }
+                .ifEmpty {
+                    // fall back to uploader name if no group
+                    val users = chapterDataDto.relationships.filter { relationshipDto ->
+                        relationshipDto.type.equals(
+                            MDConstants.uploader,
+                            true
+                        )
+                    }.mapNotNull { it.attributes!!.username }
+                    users.joinToString(" & ", if (users.isNotEmpty()) "Uploaded by " else "")
+                }.ifEmpty { "No Group" } // "No Group" as final resort
 
             val chapterName = mutableListOf<String>()
             // Build chapter name

src/all/mangadex/src/eu/kanade/tachiyomi/extension/all/mangadex/dto/MangaDto.kt

@@ -31,6 +31,7 @@ data class RelationshipDto(
 data class IncludesAttributesDto(
     val name: String? = null,
     val fileName: String? = null,
+    val username: String? = null
 )
 
 @Serializable