public IActionResult Checkout(Order order)
{
if (order?.Items?.Any() != true)
{
return(RedirectToAction("GetAll"));
}
var items = catalogueService.GetByIds(order.Items.Select(item => item.Id));
var user = (order.User?.Id).HasValue ? userService.GetById(order.User.Id) : null;
var orderViewModel = new OrderViewModel()
{
Items = items
.Join(order.Items, i => i.Id, i => i.Id, (item, order) => new OrderItemViewModel(item, order.Count))
.ToList(),
User = user
};
return(View("../Order/Order", orderViewModel));
}