自习室优化ok

lib/data/models/meeting_room_dto.dart

@@ -0,0 +1,78 @@
+import 'package:app/request/dto/room/room_list_item_dto.dart';
+
+class MeetingRoomDto {
+  int id;
+  final String roomName;
+  final String startTime;
+  final String endTime;
+  String actualStartTime;
+  int roomStatus;
+  String boardUuid;
+
+  MeetingRoomDto({
+    required this.id,
+    this.roomName = "",
+    this.startTime = "",
+    this.endTime = "",
+    this.actualStartTime = "",
+    this.roomStatus = 0,
+    this.boardUuid = "",
+  });
+
+  /// 根据 RoomListItemDto 创建
+  MeetingRoomDto.fromRoomListItem(RoomListItemDto item)
+    : id = item.id,
+      roomName = item.roomName,
+      startTime = item.startTime,
+      endTime = item.endTime,
+      actualStartTime = "",
+      roomStatus = 0,
+      boardUuid = "";
+
+  /// 从 JSON 创建对象
+  factory MeetingRoomDto.fromJson(Map<String, dynamic> json) {
+    return MeetingRoomDto(
+      id: json['id'] ?? 0,
+      roomName: json['room_name'] as String,
+      startTime: json['start_time'] as String,
+      endTime: json['end_time'] as String,
+      actualStartTime: json['actual_start_time']  ?? "",
+      roomStatus: json['room_status'] ?? 0,
+      boardUuid: json['board_uuid'] ?? "",
+    );
+  }
+
+  /// 转为 JSON
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'room_name': roomName,
+      'start_time': startTime,
+      'end_time': endTime,
+      'actual_start_time': actualStartTime,
+      'room_status': roomStatus,
+      'board_uuid': boardUuid,
+    };
+  }
+
+  /// 复制对象，可修改部分字段
+  MeetingRoomDto copyWith({
+    int? id,
+    String? roomName,
+    String? startTime,
+    String? endTime,
+    String? actualStartTime,
+    int? roomStatus,
+    String? boardUuid,
+  }) {
+    return MeetingRoomDto(
+      id: id ?? this.id,
+      roomName: roomName ?? this.roomName,
+      startTime: startTime ?? this.startTime,
+      endTime: endTime ?? this.endTime,
+      actualStartTime: actualStartTime ?? this.actualStartTime,
+      roomStatus: roomStatus ?? this.roomStatus,
+      boardUuid: boardUuid ?? this.boardUuid,
+    );
+  }
+}