数据和测试案例按照架构来处理

apps/im_app/lib/features/chat/presentation/chat_db_test_view_model.dart

@@ -1,8 +1,8 @@
 import 'dart:math';
 
 import 'package:flutter/material.dart';
+import 'package:im_app/app/di/user_provider.dart';
 import 'package:im_app/domain/entities/user.dart';
-import 'package:im_app/domain/presentation/di/user_provider.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 
 part 'chat_db_test_view_model.g.dart';
@@ -101,42 +101,38 @@ class ChatDbTestViewModel extends _$ChatDbTestViewModel {
   }
 
   Future<void> _testDBInsert() async {
+    final useCase = ref.read(insertUsersUseCaseProvider);
     final repo = ref.read(userRepositoryProvider);
     const count = 10000;
-    const chunkSize = 200;
     final stopwatch = Stopwatch()..start();
+    final baseUid = DateTime.now().microsecondsSinceEpoch;
 
-    debugPrint('开始测试: $count 条，每批 $chunkSize 条');
+    debugPrint('开始测试: $count 条');
 
     final workingList = List<User>.from(state.users);
-    int completed = 0;
 
-    while (completed < count) {
-      if (!_isTesting) break;
+    final allUsers = List.generate(
+      count,
+      (i) => User(uid: baseUid + i, nickname: 'User ${_random.nextInt(9999)}'),
+    );
 
-      final chunk = List.generate(
-        min(chunkSize, count - completed),
-        (_) => User(
-          uid: _random.nextInt(999999),
-          nickname: 'User ${_random.nextInt(9999)}',
-        ),
-      );
+    await useCase.execute(
+      allUsers,
+      onProgress: (completed, total, chunk) {
+        workingList.addAll(chunk);
 
-      await repo.saveUsers(chunk);
-      completed += chunk.length;
-      workingList.addAll(chunk);
-
-      debugPrint(
-        '已完成: $completed / $count (${stopwatch.elapsedMilliseconds}ms)',
-      );
-
-      if (ref.mounted) {
-        state = state.copyWith(
-          users: List.unmodifiable(workingList),
-          currentState: '已插入 $completed / $count 条',
+        debugPrint(
+          '已完成: $completed / $total (${stopwatch.elapsedMilliseconds}ms)',
         );
-      }
-    }
+
+        if (ref.mounted && _isTesting) {
+          state = state.copyWith(
+            users: List.unmodifiable(workingList),
+            currentState: '已插入 $completed / $total 条',
+          );
+        }
+      },
+    );
 
     _isTesting = false;
     final elapsed = stopwatch.elapsedMilliseconds;