public static string ToDecriptionString(this EFIPaymentTypeEnum val)
{
DescriptionAttribute[] attributes = (DescriptionAttribute[])val
.GetType()
.GetField(val.ToString())
.GetCustomAttributes(typeof(DescriptionAttribute), false);
return(attributes.Length > 0 ? attributes[0].Description : "" + val);
}
public static EFIReceipt CalculateTotalAmount(this EFIReceipt receipt, EFIPaymentTypeEnum paymentType)
{
receipt.Payments = new List <EFIPaymentItem>();
receipt.Payments.Add(new EFIPaymentItem
{
PaymentType = paymentType.ToDecriptionString(),
Amount = receipt.Sales.Sum(item => item.Price * item.Quantity * (1 - item.DiscountPercentage / 100))
});
return(receipt);
}
public static EFIReceipt AddPayment(this EFIReceipt receipt, EFIPaymentTypeEnum paymentType, decimal amount)
{
if (receipt.Payments == null)
{
receipt.Payments = new List <EFIPaymentItem>();
}
receipt.Payments.Add(new EFIPaymentItem
{
PaymentType = paymentType.ToDecriptionString(),
Amount = amount,
});
return(receipt);
}
