new ordering system added

WatchIt.Common/WatchIt.Common.Model/Photos/PhotoResponse.cs

@@ -1,13 +1,25 @@
 using System.Diagnostics.CodeAnalysis;
 using System.Text.Json.Serialization;
+using WatchIt.Common.Query;
 using WatchIt.Database.Model.Media;
 
 namespace WatchIt.Common.Model.Photos;
 
-public class PhotoResponse : Photo
+public class PhotoResponse : Photo, IQueryOrderable<PhotoResponse>
 {
     #region PROPERTIES
     
+    [JsonIgnore]
+    public static IDictionary<string, Func<PhotoResponse, IComparable>> OrderableProperties { get; } = new Dictionary<string, Func<PhotoResponse, IComparable>>
+    {
+        { "id", x => x.Id },
+        { "media_id", x => x.MediaId },
+        { "mime_type", x => x.MimeType },
+        { "is_background", x => x.Background is not null },
+        { "is_universal_background", x => x.Background is not null && x.Background.IsUniversalBackground }
+    };
+
+    
     [JsonPropertyName("id")]
     public Guid Id { get; set; }