fix: improve transfer recognition and local data safety

2026-07-26 21:36:46 +08:00
parent 7df25edd96
commit 882293343e
21 changed files with 505 additions and 128 deletions
@@ -0,0 +1,70 @@
+import 'package:flutter/material.dart';
+import 'package:miaoji_zhang/shared/api/api_client.dart';
+import 'package:miaoji_zhang/shared/services/guest_merge_service.dart';
+import 'package:miaoji_zhang/shared/services/session_store.dart';
+import 'package:miaoji_zhang/shared/widgets/app_controls.dart';
+
+Future<void> offerLocalDataRecovery(
+  BuildContext context, {
+  Map<String, dynamic>? guestSnapshot,
+}) async {
+  final session = SessionStore.instance;
+  Map<String, dynamic>? accountSnapshot;
+  try {
+    accountSnapshot = await session.pendingAccountSnapshot();
+  } catch (error) {
+    if (context.mounted) {
+      _showMessage(context, '本机历史数据读取失败：${apiErrorMessage(error)}');
+    }
+  }
+  if (accountSnapshot != null && context.mounted) {
+    final shouldMerge = await showJzConfirmSheet(
+      context,
+      title: '发现本机历史数据',
+      message:
+          '检测到旧账号或旧后端留下的本地账单。为防止不同服务器的数据互相覆盖，这些数据已单独保留。是否导入当前账号的“本机历史数据”账本？',
+      confirmLabel: '导入数据',
+    );
+    if (shouldMerge) {
+      try {
+        final result = await GuestMergeService.merge(
+          accountSnapshot,
+          ledgerName: '本机历史数据',
+        );
+        await session.clearPendingAccountSnapshot();
+        if (context.mounted) {
+          _showMessage(context, '已导入 ${result.transactionCount} 笔本机历史账单');
+        }
+      } catch (error) {
+        if (context.mounted) {
+          _showMessage(context, '本机历史数据暂未导入：${apiErrorMessage(error)}');
+        }
+      }
+    }
+  }
+
+  if (guestSnapshot?['hasData'] == true && context.mounted) {
+    final shouldMerge = await showJzConfirmSheet(
+      context,
+      title: '发现游客数据',
+      message: '是否将本机游客账单、分类和预算导入当前账号？数据会放入独立的“游客数据”账本，原游客数据仍保留在本机。',
+      confirmLabel: '导入数据',
+    );
+    if (shouldMerge) {
+      try {
+        final result = await GuestMergeService.merge(guestSnapshot!);
+        if (context.mounted) {
+          _showMessage(context, '已导入 ${result.transactionCount} 笔游客账单');
+        }
+      } catch (error) {
+        if (context.mounted) {
+          _showMessage(context, '游客数据暂未导入：${apiErrorMessage(error)}');
+        }
+      }
+    }
+  }
+}
+
+void _showMessage(BuildContext context, String message) {
+  ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(message)));
+}