initial load

2022-08-22 15:56:12 +02:00
commit d3b7ff17be
62 changed files with 2694 additions and 0 deletions
--- a/YouTubeViewers.WPF/ViewModels/YouTubeViewersListingViewModel.cs
+++ b/YouTubeViewers.WPF/ViewModels/YouTubeViewersListingViewModel.cs
@ -0,0 +1,111 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Input;
+using YouTubeViewers.WPF.Commands;
+using YouTubeViewers.Domain.Models;
+using YouTubeViewers.WPF.Stores;
+
+namespace YouTubeViewers.WPF.ViewModels
+{
+    public class YouTubeViewersListingViewModel : ViewModelBase
+    {
+        private readonly ObservableCollection<YouTubeViewersListingItemViewModel> _youtubeViewersListingItemViewModels;
+        private readonly YouTubeViewersStore _youTubeViewersStore;
+        private readonly SelectedYouTubeViewerStore _selectedYouTubeViewerStore;
+        private readonly ModalNavigationStore _modalNavigationStore;
+
+        public IEnumerable<YouTubeViewersListingItemViewModel> YouTubeViewersListingItemViewModels => _youtubeViewersListingItemViewModels;
+
+        private YouTubeViewersListingItemViewModel _selectedYouTubeViewerListingItemViewModel;
+
+        public YouTubeViewersListingItemViewModel SelectedYouTubeViewerListingItemViewModel
+        {
+            get { return _selectedYouTubeViewerListingItemViewModel; }
+            set
+            {
+                _selectedYouTubeViewerListingItemViewModel = value;
+                OnPropertyChanged(nameof(SelectedYouTubeViewerListingItemViewModel));
+                _selectedYouTubeViewerStore.SelectedYouTubeViewer = _selectedYouTubeViewerListingItemViewModel?.YouTubeViewer;
+
+            }
+        }
+
+       
+
+        public YouTubeViewersListingViewModel(
+            YouTubeViewersStore youTubeViewersStore,
+            SelectedYouTubeViewerStore selectedYouTubeViewerStore,
+            ModalNavigationStore modalNavigationStore)
+        {
+            _youTubeViewersStore = youTubeViewersStore;
+            _selectedYouTubeViewerStore = selectedYouTubeViewerStore;
+            _modalNavigationStore = modalNavigationStore;
+            _youtubeViewersListingItemViewModels = new ObservableCollection<YouTubeViewersListingItemViewModel>();
+
+
+            _youTubeViewersStore.YouTubeViewersLoaded += _youTubeViewersStore_YouTubeViewersLoaded;
+            _youTubeViewersStore.YouTubeViewerAdded += YouTubeViewersStore_YouTubeViewerAdded;
+            _youTubeViewersStore.YouTubeViewerUpdated += YouTubeViewersStore_YouTubeViewerUpdated;
+            _youTubeViewersStore.YouTubeViewerDeleted += YouTubeViewersStore_YouTubeViewerDeleted;
+        }
+
+
+        private void _youTubeViewersStore_YouTubeViewersLoaded()
+        {
+            _youtubeViewersListingItemViewModels.Clear();
+            foreach (YouTubeViewer youTubeViewer in _youTubeViewersStore.YouTubeViewers)
+            {
+                AddYouTubeViewer(youTubeViewer);
+            }
+        }
+
+        private void YouTubeViewersStore_YouTubeViewerUpdated(YouTubeViewer youTubeViewer)
+        {
+            YouTubeViewersListingItemViewModel youTubeViewerViewModel =
+                _youtubeViewersListingItemViewModels.FirstOrDefault(x => x.YouTubeViewer.Id == youTubeViewer.Id);
+
+            if (youTubeViewerViewModel != null)
+            {
+                youTubeViewerViewModel.Update(youTubeViewer);
+            }
+        }
+
+
+
+        protected override void Dispose()
+        {
+            _youTubeViewersStore.YouTubeViewersLoaded -= _youTubeViewersStore_YouTubeViewersLoaded;
+            _youTubeViewersStore.YouTubeViewerAdded -= YouTubeViewersStore_YouTubeViewerAdded;
+            _youTubeViewersStore.YouTubeViewerUpdated -= YouTubeViewersStore_YouTubeViewerUpdated;
+            _youTubeViewersStore.YouTubeViewerDeleted -= YouTubeViewersStore_YouTubeViewerDeleted;
+            
+            base.Dispose();
+        }
+        private void YouTubeViewersStore_YouTubeViewerAdded(YouTubeViewer youTubeViewer)
+        {
+            AddYouTubeViewer(youTubeViewer);
+        }
+
+        private void AddYouTubeViewer(YouTubeViewer youTubeViewer)
+        {
+            YouTubeViewersListingItemViewModel itemViewModel =
+                new YouTubeViewersListingItemViewModel(youTubeViewer, _youTubeViewersStore, _modalNavigationStore);
+            _youtubeViewersListingItemViewModels.Add(itemViewModel);
+        }        
+        
+        private void YouTubeViewersStore_YouTubeViewerDeleted(Guid id)
+        {
+            YouTubeViewersListingItemViewModel itemViewModel =  _youtubeViewersListingItemViewModels.FirstOrDefault(y => y.YouTubeViewer?.Id == id);
+
+            if (itemViewModel != null)
+            {
+                _youtubeViewersListingItemViewModels.Remove(itemViewModel);
+            }
+        }
+
+    }
+}