feat: song likes and initial implementation of Spotify playlist support, refs #9

song_of_the_day/Data/SmartPlaylistDefinition.cs

@@ -0,0 +1,30 @@
+using Microsoft.EntityFrameworkCore;
+
+[PrimaryKey(nameof(Id))]
+public class SmartPlaylistDefinition
+{
+    public int Id { get; set; }
+    public string? Title { get; set; }
+    public string? Description { get; set; }
+    public User? CreatedBy { get; set; }
+    public bool IncludesUnCategorizedSongs { get; set; }
+    public bool IncludesLikedSongs { get; set; }
+    public List<SuggestionHelper>? Categories { get; set; }
+    public string? SpotifyPlaylistId { get; set; }
+
+    public List<Song>? ExplicitlyIncludedSongs { get; set; }
+    public List<Song>? ExplicitlyExcludedSongs { get; set; }
+
+    public bool IsThisUsersLikedSongsPlaylist
+    {
+        get
+        {
+            return IncludesLikedSongs == true
+                    && IncludesUnCategorizedSongs == false
+                    && (ExplicitlyExcludedSongs == null || ExplicitlyExcludedSongs.Count == 0)
+                    && (ExplicitlyIncludedSongs == null || ExplicitlyIncludedSongs.Count == 0)
+                    && (Categories == null || Categories.Count == 0);
+        }
+    }
+
+}