public ActionResult UnassignShopFromUser(Guid userGuid, Guid shopGuid)
        {
            ServiceActionResult result = _userAssignmentService.UnassignUserFromShop(userGuid, shopGuid);

            if (result.Status != ActionStatus.Successfull)
            {
                return(View("UnexpectedError", result));
            }
            return(RedirectToAction("AssignShop", new { userGuid }));
        }