public EditViewModel(ILibraryService libraryService, IEventAggregator eventAggregator)
{
this._eventAggregator = eventAggregator;
var orderedEnumerable = libraryService.GetObjectsFromFile().Videos.OrderBy(v=>v.Category).ToList();
this.Videos = new ObservableCollection<Video>(orderedEnumerable);
this.SelectedVideo = this.Videos.FirstOrDefault();
}
public TagsListViewModel(ITagsListView view, ILibraryService libraryService, IEventAggregator eventAggregator)
: base(view)
{
this._eventAggregator = eventAggregator;
this.SelectedTags = new ObservableCollection<CategoryViewModel>();
this.Tags = new ObservableCollection<CategoryViewModel>();
var videos = libraryService.GetObjectsFromFile().Videos;
IEnumerable<String> tags =
videos.SelectMany(v => v.Tags).Select(t => t.Value).Distinct().OrderBy(t => t);
foreach (var tag in tags)
{
this.Tags.Add(new CategoryViewModel
{
Name = tag,
Count = videos.Count(v => v.Tags.Any(t => t.Value == tag))
});
}
}
public PlayListViewModel(IPlayListView view, IEventAggregator eventAggregator, ILibraryService libraryService)
: base(view)
{
this._libraryService = libraryService;
this.Playlist = new ObservableCollection<Video>();
this.RemoveCommand = new DelegateCommand(() => this.Remove(this.CurrentVideo));
this.AddCommand = new DelegateCommand<Video>(this.Add);
this.AddRangeCommand = new DelegateCommand<IEnumerable<Video>>(this.Add);
this.SavePlaylistCommand = new DelegateCommand(this.Save);
eventAggregator.GetEvent<OnAddVideo>().Subscribe(this.Add);
eventAggregator.GetEvent<OnAddVideoRange>().Subscribe(this.Add);
eventAggregator.GetEvent<OnPlayPlaylistRequest>()
.Subscribe(dummy => { eventAggregator.GetEvent<OnPlayPlaylist>().Publish(this.Playlist); }, true);
this._playListCollection = new ObservableCollection<Playlist>(libraryService.GetObjectsFromFile().PlayLists);
}
private void CreateTags(ILibraryService libraryService)
{
this.Tags.Clear();
var videos = libraryService.GetObjectsFromFile()
.Videos;
IEnumerable<Tag> tags = videos
.SelectMany(v => v.Tags)
.Distinct()
.OrderBy(t=>t.Value);
foreach (var tag in tags)
{
this.Tags.Add(tag);
}
}
private void CreateCategories(ILibraryService libraryService)
{
this.CategoryViewModels.Clear();
IEnumerable<IGrouping<string, Video>> categories =
libraryService.GetObjectsFromFile()
.Videos.Where(v => !String.IsNullOrEmpty(v.Category))
.GroupBy(v => v.Category)
.OrderBy(g=>g.Key);
foreach (var category in categories)
{
this.CategoryViewModels.Add(new CategoryViewModel
{
Name = category.Key,
Count = category.Count()
});
}
if (this.CategoryViewModels.Any())
{
CategoryViewModel vm = this.CategoryViewModels.First();
if (this.Video != null && !String.IsNullOrEmpty(this.Video.Category))
{
vm = this.CategoryViewModels.FirstOrDefault(c => c.Name == this.Video.Category);
}
this.SelectedCategory = vm;
}
}
