public async Task <Order> CreateOrder(CreateOrderRequest request)
{
var order = new Order();
// generate guid id
order.Id = Guid.NewGuid().ToString();
order.Status = OrderStatus.Started;
// because we're just mapping this to data entity, we don't need a full user yet
order.User = new User {
Id = request.UserId
};
// map to data entity for storage - will only map id, userid, and status
var orderDataEntity = _orderMapper.MapToDataEntity(order);
foreach (var productRequest in request.ProductIds)
{
// create 'ordered product' object which represents each product on an order by id and order id
var orderedProduct = new OrderedProductDataEntity
{
OrderId = order.Id,
ProductId = productRequest.Key,
Quantity = productRequest.Value
};
// add each ordered product to the db
await _orderRepository.AddProductToOrder(orderedProduct);
}
// add order to db
await _orderRepository.CreateOrder(orderDataEntity);
// add products and user to order for returning
await ApplyProductsToOrder(order);
await ApplyUserToOrder(order, request.UserId);
return(order);
}
public async Task AddProductToOrder(string orderId, string productId, int quantity)
{
var orderedProducts = await _orderRepository.GetOrderedProductsByOrderId(orderId);
var selectedOrderProduct = orderedProducts.FirstOrDefault(op => op.ProductId == productId);
if (selectedOrderProduct is null)
{
var orderedProduct = new OrderedProductDataEntity
{
OrderId = orderId,
ProductId = productId,
Quantity = quantity
};
await _orderRepository.AddProductToOrder(orderedProduct);
}
else
{
selectedOrderProduct.Quantity = quantity;
await _orderRepository.UpdateExistingOrderedProduct(selectedOrderProduct);
}
}
