54 lines
2.3 KiB
Dart
54 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:riverpod_annotation/riverpod_annotation.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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part 'user_provider.g.dart';
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// ── Repository ────────────────────────────────────────────────────────────────
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@riverpod
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UserRepository userRepository(Ref 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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@riverpod
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Stream<List<User>> users(Ref ref, Set<int> uids) {
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return ref.watch(userRepositoryProvider).watchUsers(uids.toList());
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}
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@riverpod
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Stream<List<User>> allUsers(Ref ref) {
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return ref.watch(userRepositoryProvider).watchAllUsers();
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}
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