DaSaSo/DaSaSo.Wpf/ViewModel/Commands/EditImpregnationCommand.cs

using DaSaSo.Domain.Model;
using DaSaSo.Domain.Services;
using DaSaSo.Wpf.ViewModel.Interface;
using System.Threading.Tasks;

namespace DaSaSo.Wpf.ViewModel.Commands
{
    internal class EditImpregnationCommand : AsyncCommandBase
    {
        private IDataService<Impregnation> _impregnationService;
        private ImpregnierungListViewModel _impregnierungListViewModel;
        private IRenavigator _editRenavigator;
        private IActualProject _actualProject;
        public override bool CanExecute(object? parameter)
        {
            return _impregnierungListViewModel.SelectedImpregnation != null;
        }

        public EditImpregnationCommand(
            IDataService<Impregnation> impregnationService,
            ImpregnierungListViewModel impregnierungListViewModel,
            IActualProject actualProject,
            IRenavigator editRenavigator)
        {
            _impregnationService = impregnationService;
            _impregnierungListViewModel = impregnierungListViewModel;
            _actualProject = actualProject;
            _editRenavigator = editRenavigator;
            _impregnierungListViewModel.PropertyChanged += _impregnierungListViewModel_PropertyChanged;
        }

        private void _impregnierungListViewModel_PropertyChanged(object? sender, System.ComponentModel.PropertyChangedEventArgs e)
        {
            if (e.PropertyName == nameof(_impregnierungListViewModel.CanSelectImpregnation))
                OnCanExecuteChanged();
        }

        public override async Task ExecuteAsync(object? parameter)
        {
            _actualProject.SetImpregnation(_impregnierungListViewModel.SelectedImpregnation);
            _editRenavigator.Renavigate();
        }
    }
}