public async Task <IActionResult> UpdateItem(Guid orderId, int itemId, [FromBody] DataContracts.OrderItem itemDto, CancellationToken cancellationToken)
{
var order = await repository.GetOrder(orderId, cancellationToken);
if (order == null)
{
return(NotFound());
}
var item = order.Items.SingleOrDefault(x => x.Id == itemId);
if (item == null)
{
return(NotFound());
}
if (item.ProductId != itemDto.ProductId)
{
return(BadRequest(new DataContracts.Error("Product cannot be changed.")));
}
try
{
item.Amount = itemDto.Amount;
}
catch (DataValidationException ex)
{
return(BadRequest(new DataContracts.Error(ex.Message)));
}
await repository.StoreOrder(order, cancellationToken);
return(Ok(item.ToDto(CreateItemUrl(order, item))));
}
public async Task <IActionResult> CreateItem(Guid orderId, [FromBody] DataContracts.OrderItem itemDto, CancellationToken cancellationToken)
{
var order = await repository.GetOrder(orderId, cancellationToken);
if (order == null)
{
return(NotFound());
}
OrderItem item;
try
{
item = order.Items.SingleOrDefault(x => x.ProductId == itemDto.ProductId);
if (item != null)
{
item.Amount += itemDto.Amount;
}
else
{
item = order.AddItem(itemDto.ProductId, itemDto.Amount);
}
}
catch (DataValidationException ex)
{
return(BadRequest(new DataContracts.Error(ex.Message)));
}
await repository.StoreOrder(order, cancellationToken);
var orderUrl = CreateItemUrl(order, item);
return(Created(orderUrl, item.ToDto(orderUrl)));
}
