Fix api

lib/sheet.dart

@@ -1,6 +1,5 @@
 import 'dart:async';
 import 'dart:ui';
-
 import 'package:flutter/material.dart';
 import 'package:sheetless/edit_bottom_sheet.dart';
 import 'package:sheetless/storage_helper.dart';
@@ -11,21 +10,25 @@ class Sheet {
   String name;
   String composerUuid;
   String composerName;
+  DateTime updatedAt;
 
   Sheet({
     required this.uuid,
     required this.name,
     required this.composerUuid,
     required this.composerName,
+    required this.updatedAt,
   });
 
   // Factory constructor for creating a Sheet from JSON
   factory Sheet.fromJson(Map<String, dynamic> json) {
+    final composer = json['composer'] as Map<String, dynamic>?;
     return Sheet(
-      uuid: json['uuid'],
-      name: json['sheet_name'],
-      composerUuid: json['composer_uuid'],
-      composerName: json['composer_name'],
+      uuid: json['uuid'].toString(),
+      name: json['title'],
+      composerUuid: json['composer_uuid']?.toString() ?? '',
+      composerName: composer?['name'] ?? 'Unknown',
+      updatedAt: DateTime.parse(json['updated_at']),
     );
   }
 }