problem_check_system/lib/models/problem_model.dart

import 'package:get/get.dart';

class Problem {
  String? id;
  String description;
  String location;
  List<String> imagePaths;
  DateTime createdAt;
  bool isUploaded;
  String? boundInfo;
  // 添加可观察的选中状态
  final RxBool isChecked = false.obs;

  Problem({
    this.id,
    required this.description,
    required this.location,
    required this.imagePaths,
    required this.createdAt,
    this.isUploaded = false,
    this.boundInfo,
  });

  // 添加 toJson 方法
  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'description': description,
      'location': location,
      'imagePaths': imagePaths, // List<String> 类型可以直接序列化
      'createdAt': createdAt.toIso8601String(),
      'isUploaded': isUploaded, // bool 类型可以直接序列化
      'boundInfo': boundInfo,
    };
  }

  Map<String, dynamic> toMap() {
    return {
      'id': id,
      'description': description,
      'location': location,
      'imagePaths': imagePaths.join(';;'),
      'createdAt': createdAt.toIso8601String(),
      'isUploaded': isUploaded ? 1 : 0,
      'boundInfo': boundInfo,
    };
  }

  factory Problem.fromMap(Map<String, dynamic> map) {
    return Problem(
      id: map['id'],
      description: map['description'],
      location: map['location'],
      imagePaths: (map['imagePaths'] as String).split(';;'),
      createdAt: DateTime.parse(map['createdAt']),
      isUploaded: map['isUploaded'] == 1,
      boundInfo: map['boundInfo'],
    );
  }
}