Update

lib/api/user.dart

@@ -0,0 +1,30 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'user.g.dart';
+
+@JsonEnum(valueField: 'code')
+enum UserPermission {
+  none(0),
+  readGallery(1),
+  editGallery(2),
+  all(3);
+
+  const UserPermission(this.code);
+  final int code;
+}
+
+@JsonSerializable()
+class BUser {
+  const BUser({
+    required this.id,
+    required this.username,
+    required this.is_admin,
+    required this.permissions,
+  });
+  final int id;
+  final String username;
+  final bool is_admin;
+  final UserPermission permissions;
+  factory BUser.fromJson(Map<String, dynamic> json) => _$BUserFromJson(json);
+  Map<String, dynamic> toJson() => _$BUserToJson(this);
+}