58 lines
1.9 KiB
Dart
58 lines
1.9 KiB
Dart
import 'package:get/get.dart';
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import 'package:news_getx/data/model/news.dart';
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import 'package:news_getx/data/repository/news_repository.dart';
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import 'package:news_getx/modules/main/main_state.dart';
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class MainController extends GetxController {
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NewsRepository newsRepository;
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MainController({required this.newsRepository});
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/// 响应式成员变量
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/// 在Getx中，当一个对象被注册为可观察对象（Observable），
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/// Getx会自动将其所有属性都转换为可观察属性（Observable）。
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/// 这意味着，无论是直接在GetxController中定义的属性，
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/// 还是在其内部嵌套的对象中定义的属性，
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/// 只要它们被定义为可观察属性，GetxController都会监听它们的变化。
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final state = MainState();
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/// 方法
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// 拉取数据
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asyncLoadAllData() async {
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print('开始拉取数据');
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state.categories = await newsRepository.categories(cacheDisk: true);
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state.channels = await newsRepository.channels(cacheDisk: true);
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// 分类对应的数据（推荐、新闻）
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state.newsRecommend = await newsRepository.newsRecommend(cacheDisk: true);
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state.newsPageList = await newsRepository.newsPageList(cacheDisk: true);
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// 所选分类
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state.selCategoryCode = state.categories?.first.code;
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}
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// 拉取推荐、新闻
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asyncLoadNewsData(
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categoryCode, {
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bool refresh = false,
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}) async {
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state.selCategoryCode = categoryCode;
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state.newsRecommend = await newsRepository.newsRecommend(
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params: NewsRecommendRequest(categoryCode: categoryCode),
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refresh: refresh,
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cacheDisk: true,
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);
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state.newsPageList = await newsRepository.newsPageList(
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params: NewsPageListRequest(categoryCode: categoryCode),
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refresh: refresh,
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cacheDisk: true,
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);
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}
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/// 生命周期
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@override
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void onReady() {
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super.onReady();
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// 异步拉取数据
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asyncLoadAllData();
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}
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}
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