Added playlists view context menu for rename, lock/unlock, and delete.

Harmonia.WinUI/ViewModels/PlaylistsViewModel.cs

@@ -1,9 +1,12 @@
-using Harmonia.Core.Player;
+using CommunityToolkit.Mvvm.Input;
+using Harmonia.Core.Player;
 using Harmonia.Core.Playlists;
+using Harmonia.WinUI.Messaging;
 using Microsoft.UI.Dispatching;
 using System;
 using System.Collections.ObjectModel;
 using System.Linq;
+using System.Threading.Tasks;
 
 namespace Harmonia.WinUI.ViewModels;
 
@@ -11,6 +14,7 @@ public partial class PlaylistsViewModel : ViewModelBase
 {
     private readonly IPlaylistManager _playlistManager;
     private readonly IAudioPlayer _audioPlayer;
+    private readonly IMessageService _messageService;
     private readonly DispatcherQueue _dispatcherQueue;
 
     private ObservableCollection<PlaylistItemViewModel> _playlists = [];
@@ -55,12 +59,31 @@ public partial class PlaylistsViewModel : ViewModelBase
         }
     }
 
-    public PlaylistsViewModel(IPlaylistManager playlistManager, IAudioPlayer audioPlayer)
+    private PlaylistItemViewModel? _flyoutPlaylist = null;
+    public PlaylistItemViewModel? FlyoutPlaylist
+    {
+        get
+        {
+            return _flyoutPlaylist;
+        }
+        set
+        {
+            SetProperty(ref _flyoutPlaylist, value);
+        }
+    }
+
+    public IAsyncRelayCommand<PlaylistItemViewModel?> RenamePlaylistCommand { get; }
+    public IRelayCommand<PlaylistItemViewModel?> LockPlaylistCommand { get; }
+    public IRelayCommand<PlaylistItemViewModel?> UnlockPlaylistCommand { get; }
+    public IAsyncRelayCommand<PlaylistItemViewModel?> DeletePlaylistCommand { get; }
+
+    public PlaylistsViewModel(IPlaylistManager playlistManager, IAudioPlayer audioPlayer, IMessageService messageService)
     {
         _playlistManager = playlistManager;
         _playlistManager.PlaylistAdded += OnPlaylistAdded;
         _playlistManager.PlaylistRemoved += OnPlaylistRemoved;
         _playlistManager.CurrentPlaylistChanged += OnCurrentPlaylistChanged;
+        _messageService = messageService;
 
         _audioPlayer = audioPlayer;
         _audioPlayer.PlayingSongChanged += OnPlayingSongChanged;
@@ -70,6 +93,11 @@ public partial class PlaylistsViewModel : ViewModelBase
         _playlists = new ObservableCollection<PlaylistItemViewModel>(_playlistManager.Playlists.Select(p => new PlaylistItemViewModel(p)));
         _selectedPlaylist = _playlists.FirstOrDefault(pv => pv.Playlist == _playlistManager.CurrentPlaylist);
         _activePlaylist = _playlists.FirstOrDefault(pv => pv.Playlist == _audioPlayer.Playlist);
+
+        RenamePlaylistCommand = new AsyncRelayCommand<PlaylistItemViewModel?>(RenamePlaylist);
+        LockPlaylistCommand = new RelayCommand<PlaylistItemViewModel?>(LockPlaylist);
+        UnlockPlaylistCommand = new RelayCommand<PlaylistItemViewModel?>(UnlockPlaylist);
+        DeletePlaylistCommand = new AsyncRelayCommand<PlaylistItemViewModel?>(DeletePlaylistAsync);
     }
 
     private void OnCurrentPlaylistChanged(object? sender, EventArgs e)
@@ -102,4 +130,57 @@ public partial class PlaylistsViewModel : ViewModelBase
     {
         ActivePlaylist = Playlists.FirstOrDefault(pv => pv.Playlist == _audioPlayer.Playlist);
     }
+
+    private async Task RenamePlaylist(PlaylistItemViewModel? playlistItem)
+    {
+        if (playlistItem is null || playlistItem.Playlist is null)
+            return;
+
+        Playlist playlist = playlistItem.Playlist;
+
+        string newName = await _messageService.InputTextAsync(
+            $"Rename Playlist - {playlist.Name}",
+            "Enter a new name for the playlist:",
+            playlist.Name ?? string.Empty);
+
+        if (string.IsNullOrWhiteSpace(newName))
+            return;
+
+        playlist.SetName(newName);
+    }
+
+    private void LockPlaylist(PlaylistItemViewModel? playlistItem)
+    {
+        if (playlistItem is null || playlistItem.Playlist is null)
+            return;
+
+        Playlist playlist = playlistItem.Playlist;
+
+        playlist.Lock();
+    }
+
+    private void UnlockPlaylist(PlaylistItemViewModel? playlistItem)
+    {
+        if (playlistItem is null || playlistItem.Playlist is null)
+            return;
+
+        Playlist playlist = playlistItem.Playlist;
+
+        playlist.Unlock();
+    }
+
+    private async Task DeletePlaylistAsync(PlaylistItemViewModel? playlistItem)
+    {
+        if (playlistItem is null || playlistItem.Playlist is null)
+            return;
+
+        Playlist playlist = playlistItem.Playlist;
+
+        bool confirmed = await _messageService.ConfirmAsync($"Delete Playlist - {playlist.Name}", "Are you sure you want to delete this playlist?");
+
+        if (!confirmed)
+            return;
+
+        _playlistManager.RemovePlaylist(playlist);
+    }
 }