Adding initial playback bar logic.

Harmonia.Core/Data/FileRepository.cs

@@ -13,9 +13,12 @@ public abstract class FileRepository<TObject> : IRepository<TObject> where TObje
 
     public FileRepository()
     {
-        if (string.IsNullOrWhiteSpace(DirectoryName) || Directory.Exists(DirectoryName) == false)
+        if (string.IsNullOrWhiteSpace(DirectoryName))
             return;
 
+        if (Directory.Exists(DirectoryName) == false)
+            Directory.CreateDirectory(DirectoryName);
+
         if (string.IsNullOrWhiteSpace(Extension))
             return;
 
@@ -30,7 +33,7 @@ public abstract class FileRepository<TObject> : IRepository<TObject> where TObje
 
         var fileInfoList = directoryInfo.EnumerateFiles("*." + Extension, SearchOption.TopDirectoryOnly).Where(x => x.Attributes.HasFlag(FileAttributes.Hidden) == false);
 
-        return fileInfoList.Select(fileInfo => fileInfo.FullName).ToList();
+        return [.. fileInfoList.Select(fileInfo => fileInfo.FullName)];
     }
 
     private void LoadFileNamesIntoMap(List<string> fileNames)

Harmonia.Core/Imaging/AudioImageExtractor.cs

@@ -74,12 +74,17 @@ public class AudioImageExtractor : IAudioImageExtractor
 
     private string? GetImagePath(string path)
     {
+        string? directoryName = Path.GetDirectoryName(path);
+
+        if (string.IsNullOrWhiteSpace(directoryName))
+            return null;
+
         string[] fileNames;
         string extension;
 
         foreach (string searchPattern in _searchPatterns)
         {
-            fileNames = GetFilesFromDirectory(path, searchPattern);
+            fileNames = GetFilesFromDirectory(directoryName, searchPattern);
 
             foreach (string fileName in fileNames)
             {

Harmonia.Core/Playlists/IPlaylistRepository.cs

@@ -5,4 +5,9 @@ namespace Harmonia.Core.Playlists;
 public interface IPlaylistRepository : IRepository<Playlist>
 {
     Playlist? GetPlaylist(PlaylistSong playlistSong);
+    void AddPlaylist();
+    void RemovePlaylist(Playlist playlist);
+
+    event EventHandler<PlaylistAddedEventArgs> PlaylistAdded;
+    event EventHandler<PlaylistRemovedEventArgs> PlaylistRemoved;
 }

Harmonia.Core/Playlists/Playlist.cs

@@ -7,7 +7,7 @@ public class Playlist
 {
     public string UID { get; init; } = Guid.NewGuid().ToString();
     public string? Name { get; set; }
-    public List<PlaylistSong> Songs { get; } = [];
+    public List<PlaylistSong> Songs { get; init; } = []; // TODO: Change to "private init" once deserialization is fixed
     public List<GroupOption> GroupOptions { get; set; } = [];
     public List<SortOption> SortOptions { get; set; } = [];
     public bool IsLocked { get; set; }

Harmonia.Core/Playlists/PlaylistManager.cs

@@ -1,8 +1,6 @@
-using Harmonia.Core.Data;
+namespace Harmonia.Core.Playlists;
 
-namespace Harmonia.Core.Playlists;
-
-public class PlaylistManager(IRepository<Playlist> playlistRepository) : IPlaylistManager
+public class PlaylistManager(IPlaylistRepository playlistRepository) : IPlaylistManager
 {
     private Playlist? _currentPlaylist;
     public Playlist? CurrentPlaylist

Harmonia.Core/Playlists/PlaylistRepository.cs

@@ -4,7 +4,26 @@ namespace Harmonia.Core.Playlists;
 
 public class PlaylistRepository : JsonFileRepository<Playlist>, IPlaylistRepository
 {
-    protected override string DirectoryName => string.Empty;
+    protected override string DirectoryName => Path.Combine("Playlists");
+
+    public PlaylistRepository()
+    {
+        List<Playlist> playlists = Get();
+
+        foreach (Playlist playlist in playlists)
+        {
+            playlist.PlaylistUpdated += OnPlaylistUpdated;
+        }
+    }
+
+    private void OnPlaylistUpdated(object? sender, PlaylistUpdatedEventArgs e)
+    {
+        if (sender is not Playlist playlist)
+            return;
+
+        Save(playlist);
+        //PlaylistUpdated?.Invoke(sender, e);
+    }
 
     public Playlist? GetPlaylist(PlaylistSong playlistSong)
     {
@@ -24,4 +43,29 @@ public class PlaylistRepository : JsonFileRepository<Playlist>, IPlaylistReposit
 
         throw new Exception("Unable to determine new fileName");
     }
+
+    public event EventHandler<PlaylistAddedEventArgs>? PlaylistAdded;
+    //public event EventHandler<PlaylistUpdatedEventArgs>? PlaylistUpdated;
+    public event EventHandler<PlaylistRemovedEventArgs>? PlaylistRemoved;
+
+    public void AddPlaylist()
+    {
+        Playlist playlist = new()
+        {
+            Name = "New Playlist"
+        };
+
+        playlist.PlaylistUpdated += OnPlaylistUpdated;
+
+        Save(playlist);
+        PlaylistAdded?.Invoke(this, new(playlist));
+    }
+
+    public void RemovePlaylist(Playlist playlist)
+    {
+        playlist.PlaylistUpdated -= OnPlaylistUpdated;
+
+        Delete(playlist);
+        PlaylistRemoved?.Invoke(this, new(playlist));
+    }
 }

Harmonia.Core/Playlists/PlaylistSong.cs

@@ -5,5 +5,5 @@ namespace Harmonia.Core.Playlists;
 public class PlaylistSong(Song song)
 {
     public string UID { get; } = Guid.NewGuid().ToString();
-    public Song Song { get; } = song;
+    public Song Song { get; init; } = song;
 }