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>
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@@ -1,10 +1,8 @@
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:im_app/app/di/user_provider.dart';
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import 'package:riverpod_annotation/riverpod_annotation.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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part 'user_notifier.g.dart';
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/// 单个用户状态管理 (family — 每个 uid 独立 notifier)
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///
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/// ## 用法
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@@ -26,22 +24,21 @@ part 'user_notifier.g.dart';
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/// // 批量更新
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/// ref.read(userNotifierProvider(123).notifier).updateUsers(updatedList);
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/// ```
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@riverpod
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class UserNotifier extends _$UserNotifier {
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class UserNotifier extends FamilyAsyncNotifier<User?, int> {
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User? _cached;
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UserRepository get _repo => ref.watch(userRepositoryProvider);
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@override
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Future<User?> build(int uid) async {
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Future<User?> build(int arg) async {
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ref.onDispose(() => _cached = null);
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_repo.watchUser(uid).listen((user) {
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_repo.watchUser(arg).listen((user) {
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_cached = user;
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state = AsyncData(user);
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});
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return _repo.getUser(uid);
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return _repo.getUser(arg);
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}
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// ── 即时访问,无需 await ──────────────────────────────────────────────────
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@@ -56,23 +53,11 @@ class UserNotifier extends _$UserNotifier {
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}
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/// 更新单个用户所有字段,按 uid 匹配
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///
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/// 示例:
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/// ```dart
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/// await notifier.updateUser(user.copyWith(nickname: 'New Name'));
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/// ```
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Future<void> updateUser(User user) async {
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await _repo.updateUser(user);
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}
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/// 批量更新用户,每条按 uid 匹配更新所有字段
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///
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/// 示例:
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/// ```dart
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/// await notifier.updateUsers(
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/// users.map((u) => u.copyWith(nickname: 'new')).toList(),
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/// );
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/// ```
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Future<void> updateUsers(List<User> users) async {
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await _repo.updateUsersBatch(users);
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}
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@@ -80,8 +65,11 @@ class UserNotifier extends _$UserNotifier {
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// ── 删除 ─────────────────────────────────────────────────────────────────
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Future<void> deleteUser() async {
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await _repo.deleteUser(uid);
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await _repo.deleteUser(arg);
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_cached = null;
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state = const AsyncData(null);
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}
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}
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final userNotifierProvider =
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AsyncNotifierProvider.family<UserNotifier, User?, int>(UserNotifier.new);
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