public TransactionResult AgilePayment(string customerId, string title, TransactionDTO transaction, string language)
{
var transactionResult = new TransactionResult(false, "");
IHasBalances debitProduct = helper.GetProduct(transaction.DebitProductType, transaction.DebitProductId, out transactionResult, language);
transactionResult = transferServices.CheckDebitBalance(debitProduct, transaction.Amount, language);
IHasInstallment productForPayment = (IHasInstallment)helper.GetProduct(transaction.CreditProductType, transaction.CreditProductId, out transactionResult, language);
if (!transactionResult.HasError)
{
transactionResult = CheckDebt(productForPayment, transaction.Amount, language);
if (!transactionResult.HasError)
{
Payment(debitProduct, productForPayment, transaction.Amount, transaction.Expenses);
transactionResult = helper.UpdateProduct(transaction.CreditProductType, (IHasBalances)productForPayment, language);
if (!transactionResult.HasError)
{
transactionResult = helper.UpdateProduct(transaction.DebitProductType, debitProduct, language);
if (!transactionResult.HasError)
{
transactionServices.LogTransaction(customerId, title, debitProduct.AvailableBalance, transaction);
}
}
}
}
return(transactionResult);
}
public TransactionResult CheckDebt(IHasInstallment productForPayment, decimal paymentAmount, string language)
{
var transactionResult = new TransactionResult(false, "");
if ((productForPayment.NextInstallmentAmount < paymentAmount) && (productForPayment.Debt < paymentAmount))
{
string errorMessage = language == "greek" ? "Το ποσό πληρωμής είναι μεγαλύτερο από το σύνολο οφειλών" : "The payment amount is bigger than the total debt";
transactionResult = new TransactionResult(true, errorMessage);
}
else if (productForPayment.NextInstallmentAmount < paymentAmount)
{
string errorMessage = language == "greek" ? "Το ποσό πληρωμής είναι μεγαλύτερο από την τρέχων οφειλή" : "The payment amount is bigger than the current installment";
transactionResult = new TransactionResult(true, errorMessage);
}
return(transactionResult);
}
private void PayDebt(IHasInstallment productForPayment, decimal paymentAmount)
{
if (productForPayment.NextInstallmentAmount >= paymentAmount)
{
productForPayment.NextInstallmentAmount -= paymentAmount;
productForPayment.Debt -= paymentAmount;
}
else
{
productForPayment.NextInstallmentAmount = 0;
productForPayment.Debt -= paymentAmount;
if (productForPayment is Loan)
{
(productForPayment as Loan).RepaymentBalance -= paymentAmount;
}
}
}
public void Payment(IHasBalances debitProduct, IHasInstallment productForPayment, decimal paymentAmount, decimal expenses)
{
transferServices.DebitProduct(debitProduct, paymentAmount, expenses);
PayDebt(productForPayment, paymentAmount);
}
