Upload playlist image

Application/Application.csproj

@@ -21,8 +21,6 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Folder Include="Contracts\Application\" />
-    <Folder Include="PlayLists\Commands\CreatePlayList\" />
     <Folder Include="PlayLists\Commands\DeletePlayList\" />
     <Folder Include="PlayLists\Commands\UpdatePlayList\" />
   </ItemGroup>

Application/Configuration/PlayListConfiguration.cs

@@ -14,7 +14,7 @@
 
         public int LargePictureWidth { get; private set; } = 512;
 
-        public float LargePictureHeight { get; private set; } = 512;
+        public int LargePictureHeight { get; private set; } = 512;
     }
 
     public class PlayListRoutes
@@ -26,5 +26,11 @@
         public string MediumPictures { get; set; } = "MediumPictures";
 
         public string LargePictures { get; set; } = "LargePictures";
+
+        public string DefaultSmallPicture { get; set; } = "DefaultSmallPicture.webp";
+
+        public string DefaultMediumPicture { get; set; } = "DefaultMediumPicture.webp";
+
+        public string DefaultLargePicture { get; set; } = "DefaultLargePicture.webp";
     }
 }

Application/Contracts/Application/IPictureService.cs

@@ -0,0 +1,11 @@
+using Ardalis.Result;
+using Musify.Application.Pictures.Contracts;
+
+namespace Musify.Application.Contracts.Application
+{
+    public interface IPictureService
+    {
+        Task<Result<Guid>> ResizePictureAsync(string keyName, string contentType, Stream pictureStream, PictureResize[] pictureResizes,
+            CancellationToken cancellationToken);
+    }
+}

Application/Pictures/Commands/ResizePicture/ResizeCommand.cs

@@ -1,13 +1,13 @@
 using Ardalis.Result;
 using DispatchR.Abstractions.Send;
+using Musify.Application.Pictures.Contracts;
 
-namespace Musify.Application.Pictures.Commands.ResizeImage
+namespace Musify.Application.Pictures.Commands.ResizePicture
 {
     public record ResizeCommand(
-        Stream PictureStream,
+        string KeyName,
         string ContentType,
-        int Width,
-        int Height,
-        string SaveRoute)
+        Stream PictureStream,
+        PictureResize[] PictureResizes)
         : IRequest<ResizeCommand, Result<Guid>>;
 }

Application/Pictures/Commands/ResizePicture/ResizeCommandHandler.cs

@@ -0,0 +1,17 @@
+using Ardalis.Result;
+using DispatchR.Abstractions.Send;
+using Musify.Application.Contracts.Application;
+
+namespace Musify.Application.Pictures.Commands.ResizePicture
+{
+    public class ResizeCommandHandler(IPictureService pictureService)
+        : IRequestHandler<ResizeCommand, Task<Result<Guid> >>
+    {
+        public async Task<Result<Guid>> Handle(ResizeCommand request, CancellationToken cancellationToken)
+        {
+            var result = await pictureService.ResizePictureAsync(request.KeyName, request.ContentType, request.PictureStream, request.PictureResizes, cancellationToken);
+
+            return result;
+        }
+    }
+}

Application/Pictures/Contracts/PictureResize.cs

@@ -0,0 +1,6 @@
+namespace Musify.Application.Pictures.Contracts
+{
+    public record PictureResize(
+        int Width,
+        int Height);
+}

Application/Pictures/Events/ImageResizeEvent.cs

@@ -1,8 +0,0 @@
-namespace Musify.Application.Pictures.Events
-{
-    public record ImageResizeEvent(
-        Guid UploadId,
-        int Width,
-        int Height,
-        string SaveRoute);
-}

Application/Pictures/Events/PictureResizeEvent.cs

@@ -0,0 +1,8 @@
+using Musify.Application.Pictures.Contracts;
+
+namespace Musify.Application.Pictures.Events
+{
+    public record PictureResizeEvent(
+        Guid UploadId,
+        PictureResize[] ImageResizes);
+}

Application/Pictures/PictureService.cs

@@ -1,19 +1,22 @@
 using Ardalis.Result;
-using DispatchR.Abstractions.Send;
 using MassTransit;
 using Microsoft.Extensions.Logging;
 using Musify.Application.Configuration;
+using Musify.Application.Contracts.Application;
 using Musify.Application.Contracts.Infrastructure;
+using Musify.Application.Pictures.Commands.ResizePicture;
+using Musify.Application.Pictures.Contracts;
 using Musify.Application.Pictures.Events;
 using Musify.Domain.Entities;
 
-namespace Musify.Application.Pictures.Commands.ResizeImage
+namespace Musify.Application.Pictures
 {
-    public class ResizeCommandHandler(IStorageHandler storageHandler, IDatabase database, IPublishEndpoint publishEndpoint,
+    public class PictureService(IStorageHandler storageHandler, IDatabase database, IPublishEndpoint publishEndpoint,
         ILogger<ResizeCommandHandler> logger, StorageConfiguration storageConfiguration)
-        : IRequestHandler<ResizeCommand, Task<Result<Guid> >>
+        : IPictureService
     {
-        public async Task<Result<Guid>> Handle(ResizeCommand request, CancellationToken cancellationToken)
+        public async Task<Result<Guid>> ResizePictureAsync(string keyName, string contentType, Stream pictureStream, PictureResize[] pictureResizes,
+            CancellationToken cancellationToken)
         {
             var pictureId = Guid.NewGuid();
 
@@ -21,7 +24,7 @@ namespace Musify.Application.Pictures.Commands.ResizeImage
             {
                 Id = pictureId,
                 KeyName = $"{storageConfiguration.Routes.Uploads}/{pictureId}",
-                ContentType = request.ContentType,
+                ContentType = contentType,
                 BucketName = storageConfiguration.BucketName,
             };
 
@@ -30,10 +33,10 @@ namespace Musify.Application.Pictures.Commands.ResizeImage
             await database.SaveChangesAsync(cancellationToken);
 
             var uploadResult = await storageHandler.UploadFileAsync(
-                request.PictureStream,
-                request.ContentType,
+                pictureStream,
+                contentType,
                 storageConfiguration.BucketName,
-                pictureId.ToString(),
+                $"{storageConfiguration.Routes.Uploads}/{pictureId}",
                 cancellationToken);
 
             if (!uploadResult.IsSuccess)
@@ -42,12 +45,7 @@ namespace Musify.Application.Pictures.Commands.ResizeImage
                 return Result.Error("Failed to upload the picture.");
             }
 
-            await publishEndpoint.Publish(new ImageResizeEvent(
-                pictureId,
-                request.Width,
-                request.Height,
-                request.SaveRoute),
-                cancellationToken);
+            await publishEndpoint.Publish(new PictureResizeEvent(pictureId, pictureResizes));
 
             return Result.Success();
         }

Application/PlayLists/Commands/CreatePlayList/CreatePlayListCommand.cs

@@ -0,0 +1,14 @@
+using Ardalis.Result;
+using DispatchR.Abstractions.Send;
+using Musify.Application.PlayLists.Contracts;
+
+namespace Musify.Application.PlayLists.Commands.CreatePlayList
+{
+    public record CreatePlayListCommand(
+        Guid UserId,
+        string Name,
+        string Description,
+        Stream PictureStream,
+        string PictureContentType)
+        : IRequest<CreatePlayListCommand, Result<PlayListResponse>>;
+}

Application/PlayLists/Commands/CreatePlayList/CreatePlayListCommandHandler.cs

@@ -0,0 +1,61 @@
+using Ardalis.Result;
+using DispatchR.Abstractions.Send;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using Musify.Application.Configuration;
+using Musify.Application.Contracts.Application;
+using Musify.Application.Contracts.Infrastructure;
+using Musify.Application.Pictures.Contracts;
+using Musify.Application.PlayLists.Contracts;
+using Musify.Domain.Entities;
+
+namespace Musify.Application.PlayLists.Commands.CreatePlayList
+{
+    public class CreatePlayListCommandHandler(IPictureService pictureService, IDatabase database, ILogger<CreatePlayListCommandHandler> logger,
+        PlayListConfiguration playListConfiguration)
+        : IRequestHandler<CreatePlayListCommand, Task<Result<PlayListResponse>> >
+    {
+        public async Task<Result<PlayListResponse>> Handle(CreatePlayListCommand request, CancellationToken cancellationToken)
+        {
+            var userExists = await database.Users.AnyAsync(u => u.Id == request.UserId, cancellationToken);
+
+            if (!userExists)
+            {
+                logger.LogWarning("User with Id={UserId} does not exist.", request.UserId);
+                return Result.NotFound($"User with Id {request.UserId} does not exist.");
+            }
+
+            var playList = new PlayList
+            {
+                UserId = request.UserId,
+                Name = request.Name,
+                NormalizedName = request.Name.Trim().ToUpperInvariant(),
+                Description = request.Description,
+                SmallPictureKeyName = playListConfiguration.Routes.SmallPictures,
+                MediumPictureKeyName = playListConfiguration.Routes.MediumPictures,
+                LargePictureKeyName = playListConfiguration.Routes.LargePictures,
+            };
+
+            await database.PlayLists.AddAsync(playList, cancellationToken);
+
+            await database.SaveChangesAsync(cancellationToken);
+
+            logger.LogInformation("PlayList with Id={PlayListId} created successfully for UserId={UserId}.", playList.Id, request.UserId);
+
+            await pictureService.ResizePictureAsync(
+                playList.Id.ToString(),
+                request.PictureContentType,
+                request.PictureStream,
+                [ 
+                    new PictureResize(playListConfiguration.SmallPictureWidth, playListConfiguration.SmallPictureHeight),
+                    new PictureResize(playListConfiguration.MediumPictureWidth, playListConfiguration.MediumPictureHeight),
+                    new PictureResize(playListConfiguration.LargePictureWidth, playListConfiguration.LargePictureHeight)
+                ],
+                cancellationToken);
+
+            logger.LogInformation("Picture for PlayList with Id={PlayListId} ", playList.Id);
+
+            return Result.Created(PlayListResponse.Map(playList));
+        }
+    }
+}

Application/PlayLists/Contracts/PlayListResponse.cs

@@ -1,10 +1,28 @@
-namespace Musify.Application.PlayLists.Contracts
+using Musify.Domain.Entities;
+
+namespace Musify.Application.PlayLists.Contracts
 {
     public record PlayListResponse(
         Guid Id,
         string Name,
         string Description,
-        string ImageName,
+        string SmallImageKeyName,
+        string MediumImageKeyName,
+        string LargeImageKeyName,
         DateTime CreatedAt,
-        DateTime UpdatedAt);
+        DateTime UpdatedAt)
+    {
+        public static PlayListResponse Map(PlayList playList)
+        {
+            return new PlayListResponse(
+                playList.Id,
+                playList.Name,
+                playList.Description,
+                playList.SmallPictureKeyName,
+                playList.MediumPictureKeyName,
+                playList.LargePictureKeyName,
+                playList.CreatedDate,
+                playList.UpdatedDate);
+        }
+    }
 }