PictureHandler

Application/Contracts/Infrastructure/IPictureHandler.cs

@@ -0,0 +1,9 @@
+using Ardalis.Result;
+
+namespace Musify.Application.Contracts.Infrastructure
+{
+    public interface IPictureHandler
+    {
+        Task<Result<Stream>> ResizePictureAsync(Stream pictureStream, int width, int height, CancellationToken cancellationToken);
+    }
+}

Infrastructure/Infrastructure.csproj

@@ -11,6 +11,7 @@
     <PackageReference Include="AWSSDK.S3" Version="4.0.19" />
     <PackageReference Include="Keycloak.Net.Core" Version="1.0.38" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="10.0.5" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="3.1.12" />
   </ItemGroup>
 
   <ItemGroup>

Infrastructure/Pictures/PictureHandler.cs

@@ -0,0 +1,42 @@
+using Ardalis.Result;
+using Microsoft.Extensions.Logging;
+using Musify.Application.Contracts.Infrastructure;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.Processing;
+
+namespace Musify.Infrastructure.Pictures
+{
+    public class PictureHandler(ILogger<PictureHandler> logger)
+        : IPictureHandler
+    {
+        public async Task<Result<Stream>> ResizePictureAsync(Stream pictureStream, int width, int height, CancellationToken cancellationToken)
+        {
+            try 
+            {
+                if (pictureStream.CanSeek && pictureStream.Position > 0)
+                    pictureStream.Position = 0;
+
+                using var picture = await Image.LoadAsync(pictureStream, cancellationToken);
+
+                picture.Mutate(options => options.Resize(new ResizeOptions
+                {
+                    Size = new Size(width, height),
+                    Mode = ResizeMode.Max
+                } ));
+
+                var memoryStream = new MemoryStream();
+
+                await picture.SaveAsWebpAsync(memoryStream, cancellationToken);
+
+                memoryStream.Position = 0;
+
+                return Result<Stream>.Success(memoryStream);
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "An error occurred while resizing the picture.");
+                return Result.Error("An error occurred while resizing the picture.");
+            }
+        }
+    }
+}