92 lines
2.3 KiB
Dart
92 lines
2.3 KiB
Dart
// Author: fruit.com.cn
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import 'package:flutter/foundation.dart';
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import '../../core/data/models/account_profile.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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/// 个人资料页状态与保存动作。
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class AccountProfileLogic extends ChangeNotifier {
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AccountProfileLogic(this._repository, {required this.onProfileUpdated});
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static const maxNicknameLength = 30;
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final AccountRepository _repository;
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final Future<void> Function(AccountProfile profile) onProfileUpdated;
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AccountProfile? profile;
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bool loading = false;
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bool saving = false;
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String? error;
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String? fieldError;
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bool _disposed = false;
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/// 进入页面时加载当前资料。
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Future<void> load() async {
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loading = true;
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error = null;
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_notify();
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try {
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profile = await _repository.profile();
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} catch (failure) {
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error = _message(failure);
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} finally {
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loading = false;
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_notify();
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}
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}
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/// 只提交本次改动；成功后同步登录态摘要。
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Future<bool> save({
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required String nickname,
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required String gender,
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String? birthday,
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}) async {
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final current = profile;
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if (current == null) return false;
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final trimmed = nickname.trim();
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if (trimmed.isEmpty || trimmed.length > maxNicknameLength) {
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fieldError = 'accountNicknameInvalid';
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_notify();
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return false;
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}
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final update = AccountProfileUpdate(
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nickname: trimmed == current.nickname ? null : trimmed,
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gender: gender.isEmpty || gender == current.gender ? null : gender,
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birthday: birthday == null || birthday.isEmpty ? null : birthday,
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);
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if (update.toJson().isEmpty) return true;
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saving = true;
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error = null;
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fieldError = null;
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_notify();
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try {
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final next = await _repository.updateProfile(update);
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profile = next;
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await onProfileUpdated(next);
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return true;
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} catch (failure) {
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error = _message(failure);
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return false;
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} finally {
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saving = false;
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_notify();
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}
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}
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String _message(Object failure) =>
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failure is ApiException ? failure.message : 'networkError';
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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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