Api/NetinaShop.Core/EntityServices/OrderHandlers/CalculateOrderCommandHandle...

40 lines
2.0 KiB
C#

namespace NetinaShop.Core.EntityServices.OrderHandlers;
public class CalculateOrderCommandHandler : IRequestHandler<CalculateOrderCommand,Order>
{
private readonly IRepositoryWrapper _repositoryWrapper;
private readonly IMediator _mediator;
private readonly ShopSettings _shopSettings;
public CalculateOrderCommandHandler(IRepositoryWrapper repositoryWrapper,IMediator mediator,IOptionsSnapshot<ShopSettings> snapshot)
{
_repositoryWrapper = repositoryWrapper;
_mediator = mediator;
_shopSettings = snapshot.Value;
}
public async Task<Order> Handle(CalculateOrderCommand request, CancellationToken cancellationToken)
{
var order = await _mediator.Send(new GetOrderQuery(request.OrderId), cancellationToken);
if (order.OrderStatus != OrderStatus.OrderBag)
throw new AppException("Order is not in bag status and cant be calculate", ApiResultStatusCode.BadRequest);
var totalProductPrice = order.OrderProducts.Sum(op => op.ProductCost);
var totalPackingPrice = order.OrderProducts.Sum(op => op.PackingCost);
var servicePrice = _shopSettings.ServiceIsPercent
? (totalProductPrice / 100) * _shopSettings.ServiceFee
: _shopSettings.ServiceFee;
var deliveryPrice = order.OrderDeliveries.Sum(op => op.DeliveryCost);
double discountPrice = 0;
if (!order.DiscountCode.IsNullOrEmpty())
{
discountPrice = await _mediator.Send(new CalculateDiscountCommand(order.DiscountCode, order),cancellationToken);
}
var taxesPrice = (((totalProductPrice - discountPrice) + totalPackingPrice + servicePrice) / 100) * _shopSettings.TaxesFee;
order.SetTotalPrice(totalProductPrice, totalPackingPrice, servicePrice, deliveryPrice, discountPrice, taxesPrice);
_repositoryWrapper.SetRepository<Order>().Update(order);
await _repositoryWrapper.SaveChangesAsync(cancellationToken);
return order;
}
}