didvan-app/lib/views/home/statistics/statistics_state.dart

97 lines
2.5 KiB
Dart

import 'package:didvan/constants/assets.dart';
import 'package:didvan/models/category.dart';
import 'package:didvan/models/enums.dart';
import 'package:didvan/models/overview_data.dart';
import 'package:didvan/models/requests/radar.dart';
import 'package:didvan/providers/core.dart';
import 'package:didvan/services/network/request.dart';
import 'package:didvan/services/network/request_helper.dart';
class StatisticsState extends CoreProvier {
int page = 1;
int lastPage = 1;
bool isScrolled = false;
bool shouldColapse = false;
final List<CategoryData> selectedCats = [];
List<CategoryData> categories = [];
final List<OverviewData> statistics = [];
bool get isColapsed => (isCategorySelected && isScrolled) || isScrolled;
bool get isCategorySelected => selectedCats.length == 1;
void resetFilters(bool isInit) {
selectedCats.clear();
isScrolled = false;
if (!isInit) {
getStatistics(page: 1);
}
}
Future<void> getStatistics({
required int page,
}) async {
this.page = page;
if (this.page == page) {
statistics.clear();
}
if (page == 1) {
appState = AppState.busy;
}
final RequestService service = RequestService(
RequestHelper.radarOverviews(
args: RadarRequestArgs(
page: page,
categories: selectedCats.map((e) => e.id).toList(),
),
),
);
await service.httpGet();
if (service.isSuccess) {
lastPage = service.result['lastPage'];
final radarsList = service.result['radars'];
for (var i = 0; i < radarsList.length; i++) {
statistics.add(OverviewData.fromJson(radarsList[i]));
}
if (isColapsed || isCategorySelected) {
shouldColapse = true;
}
appState = AppState.idle;
return;
}
appState = AppState.failed;
}
Future<void> changeMark(int id, bool value, bool shouldUpdate) async {
statistics.firstWhere((element) => element.id == id).marked = value;
if (shouldUpdate) {
notifyListeners();
}
}
void init() {
resetFilters(true);
Future.delayed(Duration.zero, () {
getStatistics(page: 1);
});
categories = [
CategoryData(
id: 1,
label: 'اقتصاد کلان',
asset: Assets.economicCategoryIcon,
),
CategoryData(
id: 2,
label: 'صنعت فولاد',
asset: Assets.politicalCategoryIcon,
),
CategoryData(
id: 3,
label: 'بازار سرمایه',
asset: Assets.techCategoryIcon,
),
];
}
}