Apple Music fix

Mobile Music Assistant/ModelsMAModels.swift

@@ -267,6 +267,17 @@ enum MediaType: String, Codable {
     case unknown
 }
 
+/// Maps a library item to its backing provider instance.
+struct MAProviderMapping: Codable, Hashable {
+    let providerDomain: String
+    let itemId: String
+
+    enum CodingKeys: String, CodingKey {
+        case providerDomain = "provider_domain"
+        case itemId = "item_id"
+    }
+}
+
 struct MAArtist: Codable, Identifiable, Hashable {
     let uri: String
     let name: String
@@ -274,6 +285,8 @@ struct MAArtist: Codable, Identifiable, Hashable {
     let sortName: String?
     let musicbrainzId: String?
     let favorite: Bool
+    /// All provider instances this artist is mapped to (from MA's provider_mappings field).
+    let providerMappings: [MAProviderMapping]
 
     var id: String { uri }
     var imageUrl: String? { metadata?.thumbImage?.path }
@@ -283,6 +296,7 @@ struct MAArtist: Codable, Identifiable, Hashable {
         case uri, name, metadata, favorite
         case sortName = "sort_name"
         case musicbrainzId = "musicbrainz_id"
+        case providerMappings = "provider_mappings"
         case image  // Direct image field
     }
 
@@ -291,6 +305,7 @@ struct MAArtist: Codable, Identifiable, Hashable {
         self.metadata = imageUrl.map { MediaItemMetadata(images: [MediaItemImage(type: "thumb", path: $0, provider: imageProvider, remotelyAccessible: nil)], cacheChecksum: nil) }
         self.sortName = sortName; self.musicbrainzId = musicbrainzId
         self.favorite = favorite
+        self.providerMappings = []
     }
 
     init(from decoder: Decoder) throws {
@@ -300,17 +315,18 @@ struct MAArtist: Codable, Identifiable, Hashable {
         favorite = (try? c.decode(Bool.self, forKey: .favorite)) ?? false
         sortName = try? c.decodeIfPresent(String.self, forKey: .sortName)
         musicbrainzId = try? c.decodeIfPresent(String.self, forKey: .musicbrainzId)
-        
+        providerMappings = (try? c.decodeIfPresent([MAProviderMapping].self, forKey: .providerMappings)) ?? []
+
         // Try to decode metadata first
         var decodedMetadata = try? c.decodeIfPresent(MediaItemMetadata.self, forKey: .metadata)
-        
+
         // If metadata is missing, try to get image from direct "image" field
         if decodedMetadata == nil {
             if let imageObj = try? c.decodeIfPresent(MediaItemImage.self, forKey: .image) {
                 decodedMetadata = MediaItemMetadata(images: [imageObj], cacheChecksum: nil)
             }
         }
-        
+
         metadata = decodedMetadata
     }
     
@@ -320,6 +336,7 @@ struct MAArtist: Codable, Identifiable, Hashable {
         try c.encode(name, forKey: .name)
         try c.encodeIfPresent(sortName, forKey: .sortName)
         try c.encodeIfPresent(musicbrainzId, forKey: .musicbrainzId)
+        try c.encode(providerMappings, forKey: .providerMappings)
         try c.encodeIfPresent(metadata, forKey: .metadata)
         try c.encode(favorite, forKey: .favorite)
     }