flutter架构项目基础

2026-09-04 15:22:20 +08:00
parent 70967229d0
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+import 'package:new_learn/core/api/class/model.dart';
+import 'package:new_learn/core/network/dio_client.dart';
+
+/// ============================================================
+/// 【class 模块接口】班级模块请求 —— 对标 Vue3 端 api/class/index.ts + api/userPoint/index.ts
+///
+/// ClassApi：班级动态/成员/点赞/评论
+///   getUserClassPost → 班级动态分页（游标 pageIndex + prevPageId）
+///   getClassUsers     → 班级成员在线状态
+///   addUserLike       → 点赞 / 取消点赞
+///   addUserComment    → 评论
+///
+/// UserRankApi：积分排行榜
+///   getUserCount → 排行榜总人数（本班级 / 同年级 / 同云校）
+///   getRankPage  → 排行榜分页（游标分页：pageIndex + prevPageId）
+///
+/// 注意：页面只调这里，不直接碰 Dio；异常不在这里 catch，交页面统一处理。
+/// ============================================================
+class ClassApi {
+  ClassApi._();
+
+  static final ClassApi instance = ClassApi._();
+
+  /// 班级动态列表（queryType: 0 我的动态 / 1 班级动态）
+  Future<UserPostResponse> getUserClassPost({
+    int queryType = 1,
+    int pageIndex = 1,
+    int pageSize = 10,
+    int prevPageId = 0,
+  }) async {
+    final data = await DioClient.instance.get(
+      '/api/v1/UserPost/GetUserClassPost',
+      query: {
+        'queryType': queryType,
+        'pageIndex': pageIndex,
+        'pageSize': pageSize,
+        'prevPageId': prevPageId,
+      },
+    );
+    return UserPostResponse.fromJson(data as Map<String, dynamic>);
+  }
+
+  /// 班级成员（在线状态）
+  Future<List<ClassUser>> getClassUsers() async {
+    final data = await DioClient.instance.get('/api/v1/User/GetClassUsers');
+    final list = data is Map<String, dynamic> ? data['data'] : data;
+    if (list is List) {
+      return list
+          .whereType<Map<String, dynamic>>()
+          .map(ClassUser.fromJson)
+          .toList();
+    }
+    return const [];
+  }
+
+  /// 点赞 / 取消点赞（likeStatus: true 点赞 / false 取消）
+  Future<void> addUserLike({
+    required int userPostId,
+    required bool likeStatus,
+  }) async {
+    await DioClient.instance.post('/api/v1/UserLike/AddUserLike', data: {
+      'userPostId': userPostId,
+      'likeStatus': likeStatus,
+    });
+  }
+
+  /// 评论动态
+  Future<void> addUserComment({
+    required int userPostId,
+    required String content,
+  }) async {
+    await DioClient.instance.post('/api/v1/UserPost/AddUserCommon', data: {
+      'userPostId': userPostId,
+      'content': content,
+    });
+  }
+}
+
+/// 积分排行榜接口
+class UserRankApi {
+  UserRankApi._();
+
+  static final UserRankApi instance = UserRankApi._();
+
+  /// 排行榜总人数（本班级 / 同年级 / 同云校）
+  Future<UserCountResult> getUserCount() async {
+    final data = await DioClient.instance.get(
+      '/api/v1/UserPointsRecord/GetUserCount',
+    );
+    return UserCountResult.fromJson(data as Map<String, dynamic>);
+  }
+
+  /// 排行榜分页（游标分页：pageIndex + prevPageId）
+  /// [userRankType] 0 总榜 / 1 本周 / 2 上周 / 3 今天 / 4 昨天
+  /// [userClass]    0 本班级 / 1 同年级 / 2 同云校
+  Future<UserRankPagedList> getRankPage({
+    required int pageIndex,
+    required int pageSize,
+    required int prevPageId,
+    required int userRankType,
+    required int userClass,
+    required bool desc,
+  }) async {
+    final data = await DioClient.instance.get(
+      '/api/v1/UserPointsRecord/GetUserRank',
+      query: {
+        'pageIndex': pageIndex,
+        'pageSize': pageSize,
+        'prevPageId': prevPageId,
+        'UserRankType': userRankType,
+        'UserClass': userClass,
+        'desc': desc,
+      },
+    );
+    return UserRankPagedList.fromJson(data as Map<String, dynamic>);
+  }
+}
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+/// ============================================================
+/// 【class 模块模型】班级模块实体 —— 对标 Vue3 api/class/type.ts + api/userPoint/type.ts
+///
+/// 内容（合并自原 features/class/models/）：
+///   班级动态：UserPostCommonDto / UserPostDto / UserPostResponse / ClassUser
+///   积分排行：UserRank / UserRankPagedList / UserCountResult
+///
+/// 序列化：手动 fromJson（响应壳 {code,message,data:{...}} 先解包 data，再逐字段取），
+/// 不依赖 build_runner。数字用 _toInt 兜底字符串数字。
+///
+/// 说明：UserPostDto 提供 copyWith（点赞/评论乐观更新需要在列表内替换单条）。
+/// ============================================================
+library;
+
+// ============ 班级动态 ============
+
+class UserPostCommonDto {
+  const UserPostCommonDto({
+    this.userId = 0,
+    this.userName = '',
+    this.content = '',
+    this.createTime = '',
+    this.id = 0,
+  });
+
+  final int userId;
+  final String userName;
+  final String content;
+  final String createTime;
+  final int id;
+
+  factory UserPostCommonDto.fromJson(Map<String, dynamic> json) =>
+      UserPostCommonDto(
+        userId: _toInt(json['userId']),
+        userName: json['userName'] as String? ?? '',
+        content: json['content'] as String? ?? '',
+        createTime: json['createTime'] as String? ?? '',
+        id: _toInt(json['id']),
+      );
+}
+
+class UserPostDto {
+  const UserPostDto({
+    this.userId = 0,
+    this.userName = '',
+    this.avatar = '',
+    this.classId = 0,
+    this.content = '',
+    this.likeCount = 0,
+    this.replyCount = 0,
+    this.subjectName = '',
+    this.createTime = '',
+    this.userLikeStatus = false,
+    this.commons = const [],
+    this.id = 0,
+    this.urls = const [],
+    this.type = 0, // 1 攻克任务 2 试题笔记 3 讲义笔记
+    this.userLikeAvatars = const [],
+  });
+
+  final int userId;
+  final String userName;
+  final String avatar;
+  final int classId;
+  final String content;
+  final int likeCount;
+  final int replyCount;
+  final String subjectName;
+  final String createTime;
+  final bool userLikeStatus;
+  final List<UserPostCommonDto> commons;
+  final int id;
+  final List<String> urls;
+  final int type;
+  final List<String> userLikeAvatars;
+
+  factory UserPostDto.fromJson(Map<String, dynamic> json) => UserPostDto(
+    userId: _toInt(json['userId']),
+    userName: json['userName'] as String? ?? '',
+    avatar: json['avatar'] as String? ?? '',
+    classId: _toInt(json['classId']),
+    content: json['content'] as String? ?? '',
+    likeCount: _toInt(json['likeCount']),
+    replyCount: _toInt(json['replyCount']),
+    subjectName: json['subjectName'] as String? ?? '',
+    createTime: json['createTime'] as String? ?? '',
+    userLikeStatus: json['userLikeStatus'] as bool? ?? false,
+    commons: (json['commons'] as List<dynamic>? ?? const [])
+        .whereType<Map<String, dynamic>>()
+        .map(UserPostCommonDto.fromJson)
+        .toList(),
+    id: _toInt(json['id']),
+    urls: (json['urls'] as List<dynamic>? ?? const [])
+        .whereType<String>()
+        .toList(),
+    type: _toInt(json['type']),
+    userLikeAvatars: (json['userLikeAvatars'] as List<dynamic>? ?? const [])
+        .whereType<String>()
+        .toList(),
+  );
+
+  UserPostDto copyWith({
+    int? userId,
+    String? userName,
+    String? avatar,
+    int? classId,
+    String? content,
+    int? likeCount,
+    int? replyCount,
+    String? subjectName,
+    String? createTime,
+    bool? userLikeStatus,
+    List<UserPostCommonDto>? commons,
+    int? id,
+    List<String>? urls,
+    int? type,
+    List<String>? userLikeAvatars,
+  }) {
+    return UserPostDto(
+      userId: userId ?? this.userId,
+      userName: userName ?? this.userName,
+      avatar: avatar ?? this.avatar,
+      classId: classId ?? this.classId,
+      content: content ?? this.content,
+      likeCount: likeCount ?? this.likeCount,
+      replyCount: replyCount ?? this.replyCount,
+      subjectName: subjectName ?? this.subjectName,
+      createTime: createTime ?? this.createTime,
+      userLikeStatus: userLikeStatus ?? this.userLikeStatus,
+      commons: commons ?? this.commons,
+      id: id ?? this.id,
+      urls: urls ?? this.urls,
+      type: type ?? this.type,
+      userLikeAvatars: userLikeAvatars ?? this.userLikeAvatars,
+    );
+  }
+}
+
+/// 班级动态分页响应
+///
+/// 响应壳：{code, message, data: {data: UserPostDto[], total, ...}}
+/// 外层 data 是分页对象，内层 data 是动态数组。
+class UserPostResponse {
+  const UserPostResponse({
+    this.data = const [],
+    this.total = 0,
+    this.pageIndex = 1,
+    this.pageSize = 10,
+    this.id = 0,
+  });
+
+  final List<UserPostDto> data;
+  final int total;
+  final int pageIndex;
+  final int pageSize;
+  final int id;
+
+  factory UserPostResponse.fromJson(Map<String, dynamic> json) {
+    final payload = json['data'] is Map<String, dynamic>
+        ? json['data'] as Map<String, dynamic>
+        : json;
+    final list = payload['data'];
+    return UserPostResponse(
+      data: list is List
+          ? list
+                .whereType<Map<String, dynamic>>()
+                .map(UserPostDto.fromJson)
+                .toList()
+          : const [],
+      total: _toInt(payload['total']),
+      pageIndex: _toInt(payload['pageIndex']),
+      pageSize: _toInt(payload['pageSize']),
+      id: _toInt(payload['id']),
+    );
+  }
+}
+
+class ClassUser {
+  const ClassUser({
+    this.userId = 0,
+    this.userName = '',
+    this.avatar = '',
+    this.isOnline = false,
+  });
+
+  final int userId;
+  final String userName;
+  final String avatar;
+  final bool isOnline;
+
+  factory ClassUser.fromJson(Map<String, dynamic> json) => ClassUser(
+    userId: _toInt(json['userId']),
+    userName: json['userName'] as String? ?? '',
+    avatar: json['avatar'] as String? ?? '',
+    isOnline: json['isOnline'] as bool? ?? false,
+  );
+}
+
+// ============ 积分排行 ============
+
+class UserRank {
+  const UserRank({
+    this.userName = '',
+    this.userId = 0,
+    this.userAvatar = '',
+    this.userClassName = '',
+    this.rank = 0,
+    this.points = 0,
+  });
+
+  final String userName;
+  final int userId;
+  final String userAvatar;
+  final String userClassName;
+  final int rank;
+  final double points;
+
+  factory UserRank.fromJson(Map<String, dynamic> json) => UserRank(
+    userName: json['userName'] as String? ?? '',
+    userId: _toInt(json['userId']),
+    userAvatar: json['userAvatar'] as String? ?? '',
+    userClassName: json['userClassName'] as String? ?? '',
+    rank: _toInt(json['rank']),
+    points: _toDouble(json['points']),
+  );
+}
+
+class UserRankPagedList {
+  const UserRankPagedList({
+    this.myRank,
+    this.userRanks = const [],
+    this.total = 0,
+    this.pageIndex = 1,
+    this.pageSize = 20,
+  });
+
+  final UserRank? myRank;
+  final List<UserRank> userRanks;
+  final int total;
+  final int pageIndex;
+  final int pageSize;
+
+  factory UserRankPagedList.fromJson(Map<String, dynamic> json) {
+    final payload = json['data'] is Map<String, dynamic>
+        ? json['data'] as Map<String, dynamic>
+        : json;
+    // 兼容 userRanks / data 两种返回字段
+    final ranksList = payload['userRanks'] is List
+        ? payload['userRanks'] as List<dynamic>
+        : (payload['data'] is List
+        ? payload['data'] as List<dynamic>
+        : const []);
+    return UserRankPagedList(
+      myRank: payload['myRank'] is Map<String, dynamic>
+          ? UserRank.fromJson(payload['myRank'] as Map<String, dynamic>)
+          : null,
+      userRanks: ranksList.whereType<Map<String, dynamic>>().map(UserRank.fromJson).toList(),
+      total: _toInt(payload['total']),
+      pageIndex: _toInt(payload['pageIndex']),
+      pageSize: _toInt(payload['pageSize']),
+    );
+  }
+}
+
+class UserCountResult {
+  const UserCountResult({
+    this.classUserCount,
+    this.gradeUserCount,
+    this.cloudSchoolUserCount,
+  });
+
+  final int? classUserCount;
+  final int? gradeUserCount;
+  final int? cloudSchoolUserCount;
+
+  factory UserCountResult.fromJson(Map<String, dynamic> json) {
+    final payload = json['data'] is Map<String, dynamic>
+        ? json['data'] as Map<String, dynamic>
+        : json;
+    return UserCountResult(
+      classUserCount: _toIntOrNull(payload['classUserCount']),
+      gradeUserCount: _toIntOrNull(payload['gradeUserCount']),
+      cloudSchoolUserCount: _toIntOrNull(payload['cloudSchoolUserCount']),
+    );
+  }
+}
+
+// ============ 类型转换工具 ============
+
+int _toInt(dynamic v) {
+  if (v is num) return v.toInt();
+  if (v is String) return int.tryParse(v) ?? 0;
+  return 0;
+}
+
+double _toDouble(dynamic v) {
+  if (v is num) return v.toDouble();
+  if (v is String) return double.tryParse(v) ?? 0;
+  return 0;
+}
+
+int? _toIntOrNull(dynamic v) {
+  if (v == null) return null;
+  if (v is num) return v.toInt();
+  if (v is String) return int.tryParse(v);
+  return null;
+}