e715a0673b
- 移除 @riverpod/@freezed 注解依赖，全部改为手写 Provider（无需 build_runner） · LoginState 改为纯 Dart，LoginViewModel/ThemeViewModel/ChatViewModel 改为 Notifier · UserNotifier 改为 FamilyAsyncNotifier<User?,int>，mini_app_provider 改为手写 Provider · 15 个 StreamProvider/StreamProvider.family 从 @riverpod 迁移至手写 - 发送消息（#25） · SendMessageRequest/SendMessageResponse DTO · SendMessageUseCase：乐观写入 DB → HTTP POST → 更新 Chat 摘要 - 接收消息 WS（#26） · WsMessageService：监听 mode2 WS 帧 → HTTP 补拉 → DB 写入 → Chat 更新 · FetchHistoryRequest/FetchHistoryResponse DTO（GET /app/api/chat/history） · FetchHistoryUseCase：拉取 → insertOrReplaceAll - DI 装配（chat_service_providers.dart） · wsMessageServiceProvider、sendMessageUseCaseProvider、fetchHistoryUseCaseProvider - 聊天列表页（#27） · ChatListViewModel（Notifier<void>）+ chat_page.dart 真实会话列表 UI · ListTile：头像首字母、最新消息摘要、未读角标、时间格式化 - 聊天详情页（#28） · ChatDetailViewModel（FamilyNotifier<ChatDetailState,int>）+ chat_detail_page.dart · 消息气泡（自己/他人分左右）、底部输入框、发送状态与错误提示 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
48 lines
2.3 KiB
Dart
48 lines
2.3 KiB
Dart
import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:im_app/features/chat/usecases/delete_users_use_case.dart';
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import 'package:im_app/features/chat/usecases/insert_users_use_case.dart';
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import 'package:im_app/features/chat/usecases/update_users_use_case.dart';
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import 'package:im_app/app/di/db_provider.dart';
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import 'package:im_app/data/repositories/user_repository_impl.dart';
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import 'package:im_app/domain/entities/user.dart';
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import 'package:im_app/domain/repositories/user_repository.dart';
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// ── Repository ────────────────────────────────────────────────────────────────
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final userRepositoryProvider = Provider<UserRepository>((ref) {
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return UserRepositoryImpl(ref.watch(storageSdkProvider));
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});
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// ── Use Cases ─────────────────────────────────────────────────────────────────
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/// 批量插入用户用例 Provider
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///
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/// 封装去重 + 分批插入逻辑，ViewModel 只需传入用户列表
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final insertUsersUseCaseProvider = Provider<InsertUsersUseCase>((ref) {
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return InsertUsersUseCase(userRepository: ref.read(userRepositoryProvider));
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});
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/// 批量更新用户用例 Provider
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///
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/// 取前10条，随机生成昵称，批量更新到 DB
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final updateUsersUseCaseProvider = Provider<UpdateUsersUseCase>((ref) {
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return UpdateUsersUseCase(userRepository: ref.read(userRepositoryProvider));
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});
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/// 删除前10个用户用例 Provider
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///
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/// 取前10条，按 uid 逐条删除
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final deleteUsersUseCaseProvider = Provider<DeleteUsersUseCase>((ref) {
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return DeleteUsersUseCase(userRepository: ref.read(userRepositoryProvider));
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});
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// ── Streams ───────────────────────────────────────────────────────────────────
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final usersProvider = StreamProvider.family<List<User>, Set<int>>((ref, uids) {
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return ref.watch(userRepositoryProvider).watchUsers(uids.toList());
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});
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final allUsersProvider = StreamProvider<List<User>>((ref) {
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return ref.watch(userRepositoryProvider).watchAllUsers();
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});
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