Unify picture configuration and options registration

backend/Core/Musify.Application/Tracks/CreateTrack.cs

@@ -6,7 +6,6 @@ using Musify.Application.Configuration;
 using Musify.Application.Contracts;
 using Musify.Application.Events;
 using Musify.Application.Services;
-using Musify.Application.Shared;
 using Musify.Application.Tracks.Responses;
 using Musify.Domain.Entities;
 using Musify.Domain.ValueObjects;
@@ -117,6 +116,7 @@ public class CreateTrackCommandHandler(
 
         try
         {
+            var sizes = trackConfiguration.PicturesSizes.ToImageSizes(trackConfiguration.Routes);
             await eventBus.PublishAsync(
                 new CreateTrackResourcesEvent(
                     trackEntity.Id,
@@ -128,18 +128,9 @@ public class CreateTrackCommandHandler(
                     audioIntent.Key,
                     finalAudioKey,
                     audioProcessedFolderKey,
-                    new ImageSize(
-                        trackConfiguration.Routes.SmallPicturesPath,
-                        trackConfiguration.PicturesSizes.SmallPictureWidth,
-                        trackConfiguration.PicturesSizes.SmallPictureHeight),
-                    new ImageSize(
-                        trackConfiguration.Routes.MediumPicturesPath,
-                        trackConfiguration.PicturesSizes.MediumPictureWidth,
-                        trackConfiguration.PicturesSizes.MediumPictureHeight),
-                    new ImageSize(
-                        trackConfiguration.Routes.LargePicturesPath,
-                        trackConfiguration.PicturesSizes.LargePictureWidth,
-                        trackConfiguration.PicturesSizes.LargePictureHeight)),
+                    sizes.Small,
+                    sizes.Medium,
+                    sizes.Large),
                 cancellationToken);
         }
         catch (Exception exception)

backend/Core/Musify.Application/Tracks/GetTrackCover.cs

@@ -28,12 +28,14 @@ public class GetTrackCoverQueryHandler(
             return Error.NotFound();
 
         var routes = trackConfiguration.Routes;
-        var (name, key) = request.Size.ToLowerInvariant() switch
+        var size = PictureSizeParser.Parse(request.Size);
+        var name = size switch
         {
-            "small" => (track.SmallName, BuildKey(routes.BuildSmallPicturePath, track.SmallName)),
-            "large" => (track.LargeName, BuildKey(routes.BuildLargePicturePath, track.LargeName)),
-            _ => (track.MediumName, BuildKey(routes.BuildMediumPicturePath, track.MediumName))
+            PictureSize.Small => track.SmallName,
+            PictureSize.Large => track.LargeName,
+            _ => track.MediumName
         };
+        var key = string.IsNullOrEmpty(name) ? null : routes.BuildPicturePath(size, name);
 
         if (string.IsNullOrEmpty(name) || key == null)
             return Error.NotFound();
@@ -46,7 +48,4 @@ public class GetTrackCoverQueryHandler(
 
         return new TrackCoverLocation(storageConfiguration.Bucket, key, contentType);
     }
-
-    private static string? BuildKey(Func<string, string> builder, string? name)
-        => string.IsNullOrEmpty(name) ? null : builder(name);
 }

backend/Core/Musify.Application/Tracks/RequestTrackUploadUrls.cs

@@ -50,9 +50,9 @@ public class RequestTrackUploadUrlsCommandHandler(
         var pictureObjectName = $"{Guid.NewGuid()}.{request.PictureFileType.TrimStart('.').ToLowerInvariant()}";
         var audioObjectName = $"{Guid.NewGuid()}.{request.AudioFileType.TrimStart('.').ToLowerInvariant()}";
 
-        var tempPictureKey = trackConfiguration.Routes.BuildTempPicturePath(
+        var tempPictureKey = trackConfiguration.Routes.BuildTempPath(
             uploadIntentConfiguration.TempRootPrefix, request.UserId, pictureObjectName);
-        var tempAudioKey = trackConfiguration.Routes.BuildTempAudioPath(
+        var tempAudioKey = trackConfiguration.Routes.BuildTempPath(
             uploadIntentConfiguration.TempRootPrefix, request.UserId, audioObjectName);
 
         try