116 lines
3.1 KiB
Dart
116 lines
3.1 KiB
Dart
import 'package:didvan/constants/assets.dart';
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import 'package:collection/collection.dart';
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import 'package:didvan/models/category.dart';
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import 'package:didvan/models/enums.dart';
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import 'package:didvan/models/statistic_data/statistic_data.dart';
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import 'package:didvan/providers/core.dart';
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import 'package:didvan/providers/user.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 StatisticState extends CoreProvier {
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int page = 1;
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bool isScrolled = false;
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bool shouldColapse = false;
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int selectedCategoryId = -1;
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List<CategoryData> categories = [];
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final List<StatisticData> statistics = [];
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final List<StatisticData> markedStatistics = [];
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bool get isColapsed => (isCategorySelected && isScrolled) || isScrolled;
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CategoryData? get selectedCategory => categories.firstWhereOrNull(
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(element) => element.id == selectedCategoryId,
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);
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bool get isCategorySelected => selectedCategoryId != 0;
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void resetFilters(bool isInit) {
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selectedCategoryId = 0;
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isScrolled = false;
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if (!isInit) {
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getStatistic(page: 1);
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}
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}
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Future<void> getStatistic({
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required int page,
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}) async {
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this.page = page;
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if (this.page == page) {
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statistics.clear();
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}
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if (page == 1) {
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appState = AppState.busy;
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}
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final RequestService service = RequestService(
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RequestHelper.statisticOverviews(
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selectedCategoryId == 0 || selectedCategoryId == 1
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? null
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: selectedCategoryId - 1,
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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 others = service.result['others'];
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for (var i = 0; i < others.length; i++) {
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statistics.add(StatisticData.fromJson(others[i]));
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}
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final marked = service.result['marked'];
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for (var i = 0; i < marked.length; i++) {
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statistics.add(StatisticData.fromJson(marked[i]));
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}
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if (isColapsed || isCategorySelected) {
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shouldColapse = true;
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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> changeMark(int id, bool value) async {
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final item = statistics.firstWhereOrNull((element) => element.id == id) ??
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markedStatistics.firstWhere((element) => element.id == id);
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if (value) {
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markedStatistics.add(item);
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statistics.remove(item);
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} else {
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markedStatistics.remove(item);
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statistics.add(item);
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}
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UserProvider.changeStatisticMark(id, value);
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notifyListeners();
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}
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void init() {
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resetFilters(true);
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Future.delayed(Duration.zero, () {
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getStatistic(page: 1);
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});
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categories = [
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CategoryData(
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id: 1,
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label: 'منتخب',
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asset: Assets.economicCategoryIcon,
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),
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CategoryData(
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id: 2,
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label: 'اقتصاد کلان',
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asset: Assets.globCategoryIcon,
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),
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CategoryData(
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id: 3,
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label: 'صنعت فولاد',
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asset: Assets.steelCategoryIcon,
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),
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CategoryData(
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id: 4,
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label: 'بازار سرمایه',
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asset: Assets.stockCategoryIcon,
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),
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];
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}
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}
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