import 'package:aitrainer_app/model/exercise.dart'; class ExerciseViewModel { Exercise exercise; ExerciseViewModel({this.exercise}); createNew() { this.exercise = Exercise(); exercise.dateAdd = DateTime.now(); } setQuantity(double quantity) { this.exercise.quantity = quantity; } setUnitQuantity(double unitQuantity) { this.exercise.unitQuantity = unitQuantity; } setUnit( String unit) { this.exercise.unit = unit; } setDatetimeExercise(DateTime datetimeExercise) { this.exercise.dateAdd = datetimeExercise; } Exercise getExercise() { return this.exercise; } }