Files
customer-im-client-dev/apps/im_app/lib/features/chat/di/message_provider.dart
pp-bot e715a0673b feat(chat): 发收消息全量实现 (#25~#28)
- 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>
2026-03-23 23:16:44 +09:00

25 lines
1.2 KiB
Dart

import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:im_app/app/di/db_provider.dart';
import 'package:im_app/data/repositories/message_repository_impl.dart';
import 'package:im_app/domain/entities/message.dart';
import 'package:im_app/domain/repositories/message_repository.dart';
// ── Repository ────────────────────────────────────────────────────────────────
/// 消息仓储 Provider
final messageRepositoryProvider = Provider<MessageRepository>((ref) {
return MessageRepositoryImpl(ref.watch(storageSdkProvider));
});
// ── Streams ───────────────────────────────────────────────────────────────────
/// 监听指定 chatId 的消息列表
final messagesByChatIdProvider = StreamProvider.family<List<Message>, int>((ref, chatId) {
return ref.watch(messageRepositoryProvider).watchByChatId(chatId);
});
/// 监听指定消息
final messageByIdProvider = StreamProvider.family<Message?, int>((ref, id) {
return ref.watch(messageRepositoryProvider).watchById(id);
});