83 lines
2.0 KiB
Dart
83 lines
2.0 KiB
Dart
// Author: fruit.com.cn
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import 'package:flutter/foundation.dart';
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import '../../core/data/remote/api_client.dart';
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import '../../core/data/repositories/account_repository.dart';
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/// 注销申请与撤销状态。
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class AccountDeactivateLogic extends ChangeNotifier {
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AccountDeactivateLogic(this._repository, {required this.clearSession});
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static const maxReasonLength = 200;
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final AccountRepository _repository;
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final Future<void> Function() clearSession;
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DateTime? scheduledAt;
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bool requesting = false;
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bool cancelling = false;
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String? error;
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String? actionMessage;
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bool cancelSucceeded = false;
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bool _disposed = false;
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/// 申请注销；成功后立即清理本地会话。
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Future<bool> request(String reason) async {
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requesting = true;
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error = null;
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cancelSucceeded = false;
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_notify();
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try {
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scheduledAt = await _repository.deactivate(
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reason.trim().substring(
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0,
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reason.trim().length > maxReasonLength
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? maxReasonLength
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: reason.trim().length,
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),
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);
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await clearSession();
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return true;
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} catch (failure) {
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error = failure is ApiException
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? failure.message
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: 'accountDeactivateFailed';
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return false;
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} finally {
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requesting = false;
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_notify();
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}
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}
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/// 撤销待处理申请；失败时保留后端文案。
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Future<bool> cancel() async {
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cancelling = true;
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actionMessage = null;
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cancelSucceeded = false;
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_notify();
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try {
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await _repository.cancelDeactivation();
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cancelSucceeded = true;
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return true;
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} catch (failure) {
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actionMessage = failure is ApiException
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? failure.message
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: 'accountCancelFailed';
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return false;
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} finally {
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cancelling = false;
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_notify();
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}
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}
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void _notify() {
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if (!_disposed) notifyListeners();
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}
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@override
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void dispose() {
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_disposed = true;
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super.dispose();
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}
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}
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