public async Task <OrderViewModel> Handle(GetOrderDetails request,
CancellationToken cancellationToken)
{
var spec = new OrderWithItemsByIdSpec(request.OrderId);
var order = await _orderRepository.GetBySpecAsync(spec, cancellationToken);
if (order == null)
{
return(null);
}
return(new OrderViewModel
{
OrderDate = order.OrderDate,
OrderItems = order.OrderItems.Select(oi => new OrderItemViewModel
{
PictureUrl = oi.ItemOrdered.PictureUri,
ProductId = oi.ItemOrdered.CatalogItemId,
ProductName = oi.ItemOrdered.ProductName,
UnitPrice = oi.UnitPrice,
Units = oi.Units
}).ToList(),
OrderNumber = order.Id,
ShippingAddress = order.ShipToAddress,
Total = order.Total()
});
}
public async Task GetOrderAndItemsByOrderIdWhenMultipleOrdersPresent()
{
//Arrange
var itemOneUnitPrice = 5.50m;
var itemOneUnits = 2;
var itemTwoUnitPrice = 7.50m;
var itemTwoUnits = 5;
var firstOrder = OrderBuilder.WithDefaultValues();
_catalogContext.Orders.Add(firstOrder);
int firstOrderId = firstOrder.Id;
var secondOrderItems = new List <OrderItem>();
secondOrderItems.Add(new OrderItem(OrderBuilder.TestCatalogItemOrdered, itemOneUnitPrice, itemOneUnits));
secondOrderItems.Add(new OrderItem(OrderBuilder.TestCatalogItemOrdered, itemTwoUnitPrice, itemTwoUnits));
var secondOrder = OrderBuilder.WithItems(secondOrderItems);
_catalogContext.Orders.Add(secondOrder);
int secondOrderId = secondOrder.Id;
_catalogContext.SaveChanges();
//Act
var spec = new OrderWithItemsByIdSpec(secondOrderId);
var orderFromRepo = await _orderRepository.GetBySpecAsync(spec);
//Assert
Assert.Equal(secondOrderId, orderFromRepo.Id);
Assert.Equal(secondOrder.OrderItems.Count, orderFromRepo.OrderItems.Count);
Assert.Equal(1, orderFromRepo.OrderItems.Count(x => x.UnitPrice == itemOneUnitPrice));
Assert.Equal(1, orderFromRepo.OrderItems.Count(x => x.UnitPrice == itemTwoUnitPrice));
Assert.Equal(itemOneUnits, orderFromRepo.OrderItems.SingleOrDefault(x => x.UnitPrice == itemOneUnitPrice).Units);
Assert.Equal(itemTwoUnits, orderFromRepo.OrderItems.SingleOrDefault(x => x.UnitPrice == itemTwoUnitPrice).Units);
}