feat: favorite action (#19623)

mobile/lib/domain/models/asset/remote_asset.model.dart

@@ -0,0 +1,78 @@
+part of 'base_asset.model.dart';
+
+enum AssetVisibility {
+  timeline,
+  hidden,
+  archive,
+  locked,
+}
+
+// Model for an asset stored in the server
+class RemoteAsset extends BaseAsset {
+  final String id;
+  final String? localId;
+  final String? thumbHash;
+  final AssetVisibility visibility;
+  final String ownerId;
+
+  const RemoteAsset({
+    required this.id,
+    this.localId,
+    required super.name,
+    required this.ownerId,
+    required super.checksum,
+    required super.type,
+    required super.createdAt,
+    required super.updatedAt,
+    super.width,
+    super.height,
+    super.durationInSeconds,
+    super.isFavorite = false,
+    this.thumbHash,
+    this.visibility = AssetVisibility.timeline,
+  });
+
+  @override
+  AssetState get storage =>
+      localId == null ? AssetState.remote : AssetState.merged;
+
+  @override
+  String toString() {
+    return '''Asset {
+    id: $id,
+    name: $name,
+    ownerId: $ownerId,
+    type: $type,
+    createdAt: $createdAt,
+    updatedAt: $updatedAt,
+    width: ${width ?? "<NA>"},
+    height: ${height ?? "<NA>"},
+    durationInSeconds: ${durationInSeconds ?? "<NA>"},
+    localId: ${localId ?? "<NA>"},
+    isFavorite: $isFavorite,
+    thumbHash: ${thumbHash ?? "<NA>"},
+    visibility: $visibility,
+ }''';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (other is! RemoteAsset) return false;
+    if (identical(this, other)) return true;
+    return super == other &&
+        id == other.id &&
+        ownerId == other.ownerId &&
+        localId == other.localId &&
+        thumbHash == other.thumbHash &&
+        visibility == other.visibility;
+  }
+
+  @override
+  int get hashCode =>
+      super.hashCode ^
+      id.hashCode ^
+      ownerId.hashCode ^
+      localId.hashCode ^
+      thumbHash.hashCode ^
+      visibility.hashCode;
+}