selfprivacy.org.app/lib/logic/cubit/metrics/metrics_cubit.dart

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import 'dart:async';
import 'package:equatable/equatable.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:selfprivacy/logic/common_enum/common_enum.dart';
import 'package:selfprivacy/logic/cubit/metrics/metrics_repository.dart';
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import 'package:selfprivacy/logic/models/metrics.dart';
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part 'metrics_state.dart';
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class MetricsCubit extends Cubit<MetricsState> {
MetricsCubit() : super(const MetricsLoading(Period.day));
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final MetricsRepository repository = MetricsRepository();
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Timer? timer;
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@override
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Future<void> close() {
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closeTimer();
return super.close();
}
void closeTimer() {
if (timer != null && timer!.isActive) {
timer!.cancel();
}
}
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void changePeriod(final Period period) async {
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closeTimer();
emit(MetricsLoading(period));
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load(period);
}
void restart() async {
load(state.period);
}
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void load(final Period period) async {
try {
final MetricsLoaded newState = await repository.getServerMetrics(period);
timer = Timer(
Duration(seconds: newState.metrics.stepsInSecond.toInt()),
() => load(newState.period),
);
emit(newState);
return;
} catch (_) {}
try {
final MetricsLoaded newState = await repository.getLegacyMetrics(period);
timer = Timer(
Duration(seconds: newState.metrics.stepsInSecond.toInt()),
() => load(newState.period),
);
emit(newState);
} on StateError {
print('Tried to emit metrics when cubit is closed');
} on MetricsLoadException {
timer = Timer(
Duration(seconds: state.period.stepPeriodInSeconds),
() => load(state.period),
);
} on MetricsUnsupportedException {
emit(MetricsUnsupported(period));
}
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}
}