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

src/Application/Users/Queries/GetCurrentUser/GetCurrentUserProfilePicture.cs

@@ -0,0 +1,23 @@
+using Hutopy.Application.AzureBlobStorage.Constants;
+using Hutopy.Application.Common.Interfaces;
+
+namespace Hutopy.Application.Users.Queries.GetCurrentUser;
+
+public record GetCurrentUserProfilePictureQuery : IRequest<Stream>;
+
+public class GetCurrentUserProfilePictureQueryHandler(
+    IIdentityService identityService,
+    IAzureBlobStorageService azureBlobStorageService
+    )
+    : IRequestHandler<GetCurrentUserProfilePictureQuery, Stream>
+{
+    public async Task<Stream> Handle(GetCurrentUserProfilePictureQuery request, CancellationToken cancellationToken)
+    {
+        var identityUser = await identityService.GetCurrentUserAsync();
+        var currentUserId = new Guid(identityUser?.Id ?? "");
+        
+        var blobName = $"{currentUserId.ToString()}/{SubDirectoryNames.Profile}/{CommonFileNames.ProfilePicture}";
+        
+        return await azureBlobStorageService.DownloadFileAsync(ContainerNames.Users, blobName);
+    }
+}