public JsonResult AddMovie(int movieId, int?orderId = null)
{
int oId = 0;
if (orderId.HasValue)
{
oId = orderId.Value;
}
else
{
var order = _ordersRepo.CreateOrder();
oId = order.Id;
}
var movieOrder = _ordersRepo.AddMovie(oId, movieId);
return(Json(movieOrder, JsonRequestBehavior.AllowGet));
}