selfprivacy.org.app/lib/logic/cubit/hetzner_metrics/hetzner_metrics_cubit.dart
2022-09-16 11:08:45 +03:00

59 lines
1.5 KiB
Dart

import 'dart:async';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:equatable/equatable.dart';
import 'package:selfprivacy/logic/common_enum/common_enum.dart';
import 'package:selfprivacy/logic/models/hetzner_metrics.dart';
import 'package:selfprivacy/logic/cubit/hetzner_metrics/hetzner_metrics_repository.dart';
part 'hetzner_metrics_state.dart';
class HetznerMetricsCubit extends Cubit<HetznerMetricsState> {
HetznerMetricsCubit() : super(const HetznerMetricsLoading(Period.day));
final HetznerMetricsRepository repository = HetznerMetricsRepository();
Timer? timer;
@override
Future<void> close() {
closeTimer();
return super.close();
}
void closeTimer() {
if (timer != null && timer!.isActive) {
timer!.cancel();
}
}
void changePeriod(final Period period) async {
closeTimer();
emit(HetznerMetricsLoading(period));
load(period);
}
void restart() async {
load(state.period);
}
void load(final Period period) async {
try {
final HetznerMetricsLoaded newState = await repository.getMetrics(period);
timer = Timer(
Duration(seconds: newState.stepInSeconds.toInt()),
() => load(newState.period),
);
emit(newState);
} on StateError {
print('Tried to emit Hetzner metrics when cubit is closed');
} on MetricsLoadException {
timer = Timer(
Duration(seconds: state.period.stepPeriodInSeconds),
() => load(state.period),
);
}
}
}