feat(auth): 登录页改为 ymb 品牌并支持后台配置背景图
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// Author: fruit.com.cn
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import 'api_client.dart';
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/// 启动配置:`GET /app/config`(匿名,后台只下发白名单键)。
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class ConfigApi {
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const ConfigApi(this._client);
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final ApiClient _client;
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/// 白名单配置表;结构异常时返回空表,调用方按本地默认处理。
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Future<Map<String, dynamic>> appConfig() async {
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final data = await _client.get('/app/config');
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return data is Map<String, dynamic> ? data : const <String, dynamic>{};
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}
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}
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// Author: fruit.com.cn
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import 'package:flutter/foundation.dart';
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import '../remote/config_api.dart';
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/// 后台下发的启动配置。
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///
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/// 失败一律静默:拿不到就用 App 内置默认,不阻塞启动、不弹错。
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class AppConfigController extends ChangeNotifier {
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AppConfigController(this._api);
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final ConfigApi _api;
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String _loginBackgroundUrl = '';
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/// 登录页整屏背景图;空串表示用本地默认图。
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String get loginBackgroundUrl => _loginBackgroundUrl;
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Future<void> load() async {
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try {
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final config = await _api.appConfig();
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final url = (config['loginBackgroundUrl'] as String? ?? '').trim();
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if (url == _loginBackgroundUrl) return;
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_loginBackgroundUrl = url;
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notifyListeners();
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} catch (error) {
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debugPrint('[config] load failed: $error');
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}
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}
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}
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