90 lines
2.6 KiB
Dart
90 lines
2.6 KiB
Dart
import 'package:collection/collection.dart';
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import 'package:didvan/models/enums.dart';
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import 'package:didvan/models/news_overview.dart';
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import 'package:didvan/providers/core_provider.dart';
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import 'package:didvan/services/network/request.dart';
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import 'package:didvan/services/network/request_helper.dart';
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class NewsState extends CoreProvier {
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bool isFiltering = false;
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String search = '';
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String lastSearch = '';
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String? startDate;
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String? endDate;
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final List<MapEntry> _markQueue = [];
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final List<NewsOverview> news = [];
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void resetFilters() {
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startDate = null;
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endDate = null;
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getNews(page: 1);
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}
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Future<void> getNews({
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required int page,
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}) async {
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if (search != '' || filterApplied) {
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lastSearch = search;
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isFiltering = true;
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} else {
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isFiltering = false;
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}
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lastSearch = search;
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appState = AppState.busy;
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news.clear();
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final service = RequestService(
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RequestHelper.newsOverviews(
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page: 1,
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startDate: startDate?.split(' ').first,
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endDate: endDate?.split(' ').first,
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search: search == '' ? null : search,
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),
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);
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await service.httpGet();
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if (service.isSuccess) {
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final newsList = service.result['news'];
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for (var i = 0; i < newsList.length; i++) {
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news.add(NewsOverview.fromJson(newsList[i]));
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}
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appState = AppState.idle;
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return;
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}
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appState = AppState.failed;
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}
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Future<void> markNews(int id) async {
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news.firstWhere((element) => element.id == id).marked = true;
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notifyListeners();
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_markQueue.add(MapEntry(id, true));
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Future.delayed(const Duration(milliseconds: 500), () async {
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final MapEntry? lastChange =
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_markQueue.lastWhereOrNull((item) => item.key == id);
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if (lastChange == null) return;
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if (lastChange.value) {
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final service = RequestService(RequestHelper.markNews(id));
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await service.post();
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_markQueue.removeWhere((element) => element.key == id);
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}
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});
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}
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Future<void> unMarkNews(int id) async {
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news.firstWhere((element) => element.id == id).marked = false;
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notifyListeners();
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_markQueue.add(MapEntry(id, false));
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Future.delayed(const Duration(milliseconds: 500), () async {
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final MapEntry? lastChange =
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_markQueue.lastWhereOrNull((item) => item.key == id);
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if (lastChange == null) return;
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if (!lastChange.value) {
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final service = RequestService(RequestHelper.markNews(id));
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await service.delete();
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_markQueue.removeWhere((element) => element.key == id);
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}
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});
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}
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bool get filterApplied => startDate != null || endDate != null;
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}
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