YouTubeViewers/YouTubeViewers.WPF/Commands/AddYouTubeViewerCommand.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using YouTubeViewers.Domain.Models;
using YouTubeViewers.WPF.Stores;
using YouTubeViewers.WPF.ViewModels;

namespace YouTubeViewers.WPF.Commands
{
    public class AddYouTubeViewerCommand : AsyncCommandBase
    {
        private readonly AddYouTubeViewerViewModel _addYouTubeViewerViewModel;
        private readonly YouTubeViewersStore _youTubeViewersStore;
        private readonly ModalNavigationStore _modalNavigationStore;

        public AddYouTubeViewerCommand(AddYouTubeViewerViewModel addYouTubeViewerViewModel, YouTubeViewersStore youTubeViewersStore, ModalNavigationStore modalNavigationStore)
        {
            _addYouTubeViewerViewModel = addYouTubeViewerViewModel;
            _youTubeViewersStore = youTubeViewersStore;
            _modalNavigationStore = modalNavigationStore;
        }
        public override async Task ExecuteAsync(object? parameter)
        {
            YouTubeViewerDetailsFormViewModel formViewModel =  _addYouTubeViewerViewModel.YouTubeViewerDetailsFormViewModel;
            formViewModel.ErrorMessage = null;
            formViewModel.IsSubmitting = true;
            YouTubeViewer youTubeViewer = new YouTubeViewer(
                Guid.NewGuid(),
                formViewModel.UserName, 
                formViewModel.IsSubScribed, 
                formViewModel.IsMember);

            // Add YouTubeViewer to database
            try
            {
                await _youTubeViewersStore.Add(youTubeViewer);
                _modalNavigationStore.Close();
            }
            catch (Exception)
            {
                formViewModel.ErrorMessage = "Failed to add YouTube Viewer. Please try again later.";
            }
            finally
            {
                formViewModel.IsSubmitting = false;
            }
        }
    }
}