private Customer GetRequestCustomer(InvoiceCreate request)
{
var customer = _customerRepository.Get(request.PersonId, x => x.CustomerPrices);
if (customer == null)
{
throw new NotFoundException();
}
return(customer);
}
private List <InvoiceItem> MapInvoiceItems(InvoiceCreate request)
{
var products = GetInvoiceProducts(request);
return(request.Items.Join(products, x => x.ProductId, x => x.Id, (x, y) => new InvoiceItem
{
Price = x.Price,
Quantity = x.Quantity,
ProductId = x.ProductId,
ProductName = y.Name
}).ToList());
}
private Invoice MapInvoice(InvoiceCreate request, Customer customer)
{
var invoice = new Invoice
{
Person = customer,
PersonId = customer.Id,
CustomerName = request.CustomerName,
Shipping = request.Shipping ?? customer.Shipping ?? Shipping.Self,
PaymentMethod = request.PaymentMethod ?? customer.PaymentMethod ?? PaymentMethod.Cash,
Number = _documentNumberGenerator.NextForInvoice(),
DeliveryAddress = request.DeliveryAddress,
Items = MapInvoiceItems(request)
};
invoice.Total = invoice.CalculateTotal();
return(invoice);
}
public InvoiceResult Create(InvoiceCreate request)
{
var customer = GetRequestCustomer(request);
var invoice = MapInvoice(request, customer);
customer.Accept(invoice);
_invoiceRepository.Add(invoice);
if (request.PaymentMethod == PaymentMethod.Cash)
{
CreateCancellingPayment(invoice, customer);
}
UpdateCustomerPrices(customer, invoice);
return(new InvoiceResult(invoice.Number, invoice.Total, invoice.Balance));
}
private IEnumerable <Product> GetInvoiceProducts(InvoiceCreate request)
{
var productIds = request.Items.Select(x => x.ProductId).ToList();
return(_productRepository.Query().Where(x => productIds.Contains(x.Id)).ToList());
}