92 lines
2.9 KiB
Dart
92 lines
2.9 KiB
Dart
import 'dart:async';
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import 'package:aitrainer_app/repository/exercise_repository.dart';
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import 'package:bloc/bloc.dart';
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import 'package:equatable/equatable.dart';
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import 'package:meta/meta.dart';
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part 'exercise_control_event.dart';
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part 'exercise_control_state.dart';
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class ExerciseControlBloc extends Bloc<ExerciseControlEvent, ExerciseControlState> {
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final ExerciseRepository exerciseRepository;
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final bool readonly;
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final double percentToCalculate;
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int step = 1;
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final List<double> repeats = List();
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double initialRM;
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double unitQuantity;
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double quantity;
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double origQuantity;
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double firstQuantity; // quantity of the first test
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double firstUnitQuantity; // unit quantity of the first test
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@override
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ExerciseControlBloc({this.exerciseRepository, this.readonly, this.percentToCalculate}) : super(ExerciseControlInitial()) {
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firstUnitQuantity = exerciseRepository.exercise.unitQuantity;
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firstQuantity = exerciseRepository.exercise.quantity;
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repeats.add(firstUnitQuantity);
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repeats.add(firstQuantity);
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initialRM = this.calculate1RM(percent75: false);
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unitQuantity = this.calculate1RM(percent75: true).roundToDouble();
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quantity = percentToCalculate == 0.75 ? 12 : 30;
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origQuantity = quantity;
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exerciseRepository.setUnitQuantity(unitQuantity);
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}
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@override
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Stream<ExerciseControlState> mapEventToState(ExerciseControlEvent event) async* {
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try {
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if (event is ExerciseControlLoad) {
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yield ExerciseControlLoading();
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step = 1;
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yield ExerciseControlReady();
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} else if (event is ExerciseControlQuantityChange ) {
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yield ExerciseControlLoading();
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if ( event.step == step) {
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exerciseRepository.setQuantity(event.quantity);
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quantity = event.quantity;
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}
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yield ExerciseControlReady();
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} else if (event is ExerciseControlSubmit ) {
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yield ExerciseControlLoading();
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if ( event.step == step) {
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step++;
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//print("step " + step.toString() + " quantity " + quantity.toString() + " origQ: " + origQuantity.toString());
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repeats.add(quantity);
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quantity = origQuantity;
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await exerciseRepository.addExercise();
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exerciseRepository.setQuantity(quantity);
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}
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yield ExerciseControlReady();
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}
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} on Exception catch (e) {
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yield ExerciseControlError(message: e.toString());
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}
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}
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double calculate1RM({bool percent75}) {
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if (exerciseRepository.exercise == null) {
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exerciseRepository.getLastExercise();
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}
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double weight = exerciseRepository.exercise.unitQuantity;
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double repeat = exerciseRepository.exercise.quantity;
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if ( weight == 0 || repeat == 0) {
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return 0;
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}
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double rmWendler = weight * repeat * 0.0333 + weight;
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double rmOconner = weight * (1 + repeat / 40);
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double average = (rmWendler + rmOconner) / 2;
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return percent75 ? average * this.percentToCalculate : average;
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}
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}
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