public bool ProcessPayments(ICollection <Payment> payments)
{
var saleId = payments.First().SaleInvoiceId;
var sale = _salesRepo.GetSale(saleId);
if (sale == null || sale.Finalised == true)
{
return(false);
}
else if (ValidatePaymentAmount(sale.Total, payments))
{
_salesRepo.AddSalesPayments(payments);
FinaliseSale(sale);
return(true);
}
return(false);
}
