Source Code added

mobile/lib/domain/models/stack.model.dart

@@ -0,0 +1,71 @@
+// Model for a stack stored in the server
+class Stack {
+  final String id;
+  final DateTime createdAt;
+  final DateTime updatedAt;
+  final String ownerId;
+  final String primaryAssetId;
+
+  const Stack({
+    required this.id,
+    required this.createdAt,
+    required this.updatedAt,
+    required this.ownerId,
+    required this.primaryAssetId,
+  });
+
+  Stack copyWith({String? id, DateTime? createdAt, DateTime? updatedAt, String? ownerId, String? primaryAssetId}) {
+    return Stack(
+      id: id ?? this.id,
+      createdAt: createdAt ?? this.createdAt,
+      updatedAt: updatedAt ?? this.updatedAt,
+      ownerId: ownerId ?? this.ownerId,
+      primaryAssetId: primaryAssetId ?? this.primaryAssetId,
+    );
+  }
+
+  @override
+  String toString() {
+    return '''Stack {
+    id: $id,
+    createdAt: $createdAt,
+    updatedAt: $updatedAt,
+    ownerId: $ownerId,
+    primaryAssetId: $primaryAssetId
+}''';
+  }
+
+  @override
+  bool operator ==(covariant Stack other) {
+    if (identical(this, other)) return true;
+
+    return other.id == id &&
+        other.createdAt == createdAt &&
+        other.updatedAt == updatedAt &&
+        other.ownerId == ownerId &&
+        other.primaryAssetId == primaryAssetId;
+  }
+
+  @override
+  int get hashCode {
+    return id.hashCode ^ createdAt.hashCode ^ updatedAt.hashCode ^ ownerId.hashCode ^ primaryAssetId.hashCode;
+  }
+}
+
+class StackResponse {
+  final String id;
+  final String primaryAssetId;
+  final List<String> assetIds;
+
+  const StackResponse({required this.id, required this.primaryAssetId, required this.assetIds});
+
+  @override
+  bool operator ==(covariant StackResponse other) {
+    if (identical(this, other)) return true;
+
+    return other.id == id && other.primaryAssetId == primaryAssetId && other.assetIds == assetIds;
+  }
+
+  @override
+  int get hashCode => id.hashCode ^ primaryAssetId.hashCode ^ assetIds.hashCode;
+}