public async Task <Result <Photo> > Handle(UpdateUserPhotoCommand request, CancellationToken cancellationToken)
{
var user = await _context.Users.Include(p => p.Photos)
.FirstOrDefaultAsync(x => x.UserName == _userAccessor.GetCurrentUsername());
if (user is null)
{
return(Result <Photo> .Failure("Unable to find user.", true));
}
PhotoUploadResult photoUploadResult;
if (request.IsRandom)
{
photoUploadResult = await _photoAccessor.GetRandomAvatar();
}
else
{
photoUploadResult = await _photoAccessor.AddPhoto(request.File);
}
if (photoUploadResult is null)
{
return(Result <Photo> .Failure("Unable to upload new photo."));
}
// Delete the current user photo from Cloudinary only if it's not one of our
// random static avatars.
var currentUserPhoto = user.Photos.FirstOrDefault(x => x.IsCurrentUserPhoto);
if (currentUserPhoto != null)
{
currentUserPhoto.IsCurrentUserPhoto = false;
if (!currentUserPhoto.IsCloudinaryStaticPhoto)
{
var deleteResult = await _photoAccessor.DeletePhoto(currentUserPhoto.Id);
if (deleteResult is null)
{
return(Result <Photo> .Failure("There was a problem deleting the existing photo from Cloudinary."));
}
}
}
var photo = new Photo {
Id = photoUploadResult.PublicId,
Url = photoUploadResult.Url,
IsCurrentUserPhoto = true,
IsCloudinaryStaticPhoto = request.IsRandom
};
user.Photos.Add(photo);
var result = await _context.SaveChangesAsync() > 0;
if (!result)
{
return(Result <Photo> .Failure("There was a problem saving changes."));
}
return(Result <Photo> .Success(photo));
}