DaSaSo/DaSaSo.ViewModel/Commands/SelectProjectCommand.cs

using DaSaSo.ViewModel.Interface;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DaSaSo.ViewModel.Commands
{
    public class SelectProjectCommand : AsyncCommandBase
    {
        private readonly IActualProject _actualProject;
        private readonly ProjectListViewModel _projectListViewModel;
        public override bool CanExecute(object? parameter)
        {
            return _projectListViewModel.SelectedProject != null;
        }

        public SelectProjectCommand(IActualProject actualProject, ProjectListViewModel projectListViewModel)
        {
            _actualProject = actualProject;
            _projectListViewModel = projectListViewModel;
            _projectListViewModel.PropertyChanged += _projectListViewModel_PropertyChanged;
        }

        private void _projectListViewModel_PropertyChanged(object? sender, PropertyChangedEventArgs e)
        {
            if (e.PropertyName == nameof(_projectListViewModel.CanSelectProject))
                OnCanExecuteChanged();
        }

        public override async Task ExecuteAsync(object? parameter)
        {
            var s = _projectListViewModel.SelectedProject;
            _actualProject.SetProject(s);
        }
    }
}