#67 added blob storage service + endpoints for profile picture. WIP

src/Application/Users/Commands/UploadProfilePicture.cs

@@ -0,0 +1,25 @@
+using Hutopy.Application.AzureBlobStorage.Constants;
+using Hutopy.Application.Common.Interfaces;
+
+namespace Hutopy.Application.Users.Commands;
+
+public class UploadProfilePictureCommand : IRequest<string>
+{
+    public required Stream ProfilePicture { get; init; }
+}
+
+public class UploadProfilePictureCommandHandler(IIdentityService identityService, IAzureBlobStorageService azureBlobStorageService) : IRequestHandler<UploadProfilePictureCommand, string>
+{
+    public async Task<string> Handle(UploadProfilePictureCommand request, CancellationToken cancellationToken)
+    {
+        var identityUser = await identityService.GetCurrentUserAsync();
+        var currentUserId = new Guid(identityUser?.Id ?? "").ToString();
+        
+        var blobName = $"{currentUserId}/{SubDirectoryNames.Profile}/{CommonFileNames.ProfilePicture}";
+        
+        var url = await azureBlobStorageService.UploadFileAsync(ContainerNames.Users, blobName, request.ProfilePicture);
+
+        return url;
+    }
+}
+