public async Task <ActionResult> Delete(Guid id)
 {
     if (!ModelState.IsValid)
     {
         return(BadRequest(ModelState));
     }
     try
     {
         return(Ok(await _service.Delete(id)));
     }
     catch (ArgumentException e)
     {
         return(StatusCode((int)HttpStatusCode.InternalServerError, e.Message));
     }
 }