sync remote asset metadata

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

@@ -0,0 +1,39 @@
+import 'dart:convert';
+
+enum RemoteAssetMetadataKey {
+  mobileApp("mobile-app");
+
+  final String key;
+
+  const RemoteAssetMetadataKey(this.key);
+
+  factory RemoteAssetMetadataKey.fromKey(String key) {
+    switch (key) {
+      case "mobile-app":
+        return RemoteAssetMetadataKey.mobileApp;
+      default:
+        throw ArgumentError("Unknown AssetMetadataKey key: $key");
+    }
+  }
+}
+
+class RemoteAssetMetadata {
+  final String? cloudId;
+
+  const RemoteAssetMetadata({this.cloudId});
+
+  Map<String, dynamic> toMap() {
+    final mobileAppValue = {};
+    if (cloudId != null) {
+      mobileAppValue["iCloudId"] = cloudId;
+    }
+
+    return {
+      "metadata": [
+        {"key": RemoteAssetMetadataKey.mobileApp.key, "value": mobileAppValue},
+      ],
+    };
+  }
+
+  String toJson() => json.encode(toMap());
+}

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

@@ -1,20 +0,0 @@
-import 'dart:convert';
-
-class AssetMetadata {
-  final String? cloudId;
-
-  const AssetMetadata({this.cloudId});
-
-  Map<String, dynamic> toMap() {
-    return {
-      "metadata": [
-        {
-          "key": "mobile-app",
-          "value": cloudId != null ? {"iCloudId": cloudId} : {},
-        },
-      ],
-    };
-  }
-
-  String toJson() => json.encode(toMap());
-}