private string TransferAmount(BankTransaction trans)
{
BankAccount sourceAcct = _lib.GetBankAccountByAccountNumber(trans.SourceAccountNumber);
BankAccount targetAcct = _lib.GetBankAccountByAccountNumber(trans.TargetAccountNumber);
if (sourceAcct != null && targetAcct != null && trans.TransactionAmount < 0)
{
return("Transaction Amount cannot be negative or less than zero");
}
else if (sourceAcct != null && targetAcct != null && sourceAcct.Balance > trans.TransactionAmount)
{
//sourceAcct.Balance = sourceAcct.Balance - trans.TransactionAmount;
//targetAcct.Balance = targetAcct.Balance + trans.TransactionAmount;
_lib.UpdateBankAccount(sourceAcct, targetAcct, trans.TransactionType, trans.TransactionAmount);
}
else if (sourceAcct != null && targetAcct != null && sourceAcct.Balance < trans.TransactionAmount)
{
return("Transaction Amount must be less than Balance Amount.");
}
else if (sourceAcct != null && targetAcct == null)
{
return("Target Account Number does not exist.");
}
else if (sourceAcct == null && targetAcct != null)
{
return("Source Account Number does not exists.");
}
return("Bank Transaction Successfull");
}
public string ProcessBankTransaction(BankTransaction trans)
{
string result = "";
switch (trans.TransactionType)
{
case "Deposit":
result = DepositAmount(trans);
break;
case "Withdraw":
result = WithrawAmount(trans);
break;
case "Transfer":
result = TransferAmount(trans);
break;
default:
break;
}
return(result);
}
private string WithrawAmount(BankTransaction trans)
{
BankAccount acct = _lib.GetBankAccountByAccountNumber(trans.SourceAccountNumber);
if (acct != null && acct.Balance > trans.TransactionAmount)
{
if (trans.TransactionAmount > 0)
{
acct.Balance = acct.Balance - trans.TransactionAmount;
_lib.UpdateBankAccount(acct, trans.TransactionType, trans.TransactionAmount);
return("Bank Transaction Successfull");
}
else
{
return("Transaction Amount cannot be negative or less than zero");
}
}
else
{
return("Account Number does not exists!");
}
}
