public async Task <string> Handle(UpdateCoverImageCommand request, CancellationToken cancellationToken)
{
var file = request.File;
string fileName = file.FileName;
string extension = Path.GetExtension(fileName);
string coverPictureLocation = await _handler.CreateCoverPicturePath(request.MangaId, extension);
_handler.SaveFileToLocation(request.File, coverPictureLocation);
coverPictureLocation = RemoveRootFolder(coverPictureLocation);
await _repo.UpdateCoverPictureLocation(coverPictureLocation, request.MangaId, cancellationToken);
return(coverPictureLocation);
}