static string responder(long chatId, string message)
{
string[] transactionParameters = message.Split(" ");
if (transactionParameters.Length < 3)
{
return("Sorry, I do not undestand! Could you repat, please?");
}
string transaction = transactionParameters[0].ToUpper();
string username = transactionParameters[1];
string token = transactionParameters[2];
if (transaction.Equals("CREATE"))
{
Console.WriteLine("Creating an Digital Wallet");
bank.createDigitalWallet(chatId, transactionParameters[1], transactionParameters[2]);
return("Digital Wallet was created");
}
else if (transaction.Equals("EXCHANGE"))
{
return("Sorry, this functionality was not implemented yet");
}
else
{
DigitalWallet clientWallet = bank.getWallet(username, token);
if (clientWallet == null)
{
return("Sorry, your wallet is not active");
}
if (transaction.Equals("BALANCE"))
{
return("Your balance is: " + clientWallet.getWalletBalance().ToString("C2", CultureInfo.CurrentCulture));
}
int value = Convert.ToInt32(transactionParameters[3]);
DigitalWalletTransaction walletTransaction = new DigitalWalletTransaction();
if (transaction.Equals("ADD"))
{
return(walletTransaction.addMoney(clientWallet, value));
}
if (transaction.Equals("PAY"))
{
return(walletTransaction.payMoney(clientWallet, value));
}
if (transaction.Equals("TRANSFER"))
{
DigitalWallet clientWalletReceive = bank.getWallet(transactionParameters[4]);
return(walletTransaction.transferMoney(clientWallet, value, clientWalletReceive));
}
}
return("Sorry, I do not undestand! Could you repat, please?");
}
public string addMoney(DigitalWallet digitalWallet, int amount)
{
if (!this.commonValidation(digitalWallet, amount))
{
return("We can not do this transaction");
}
digitalWallet.setBalance(digitalWallet.getWalletBalance() + amount);
return(returnBalance(digitalWallet));
}
public string transferMoney(DigitalWallet digitalWalletSend, int amount, DigitalWallet digitalWalletReceive)
{
if (!this.commonValidation(digitalWalletSend, amount))
{
return("We can not do this transaction");
}
payMoney(digitalWalletSend, amount);
addMoney(digitalWalletReceive, amount);
return(returnBalance(digitalWalletSend));
}
private bool commonValidation(DigitalWallet digitalWallet, int amount)
{
if (amount <= 0)
{
return(false);
}
if (digitalWallet.getUserAccessToken() == null)
{
return(false);
}
return(true);
}
public string payMoney(DigitalWallet digitalWallet, int amount)
{
if (!this.commonValidation(digitalWallet, amount))
{
return("We can not do this transaction");
}
// Final balance after possible transaction
int finalBalance = 0;
finalBalance = digitalWallet.getWalletBalance() - amount;
if (finalBalance < 0)
{
return("Insufficient balance");
}
else
{
digitalWallet.setBalance(finalBalance);
}
return(returnBalance(digitalWallet));
}
public void createDigitalWallet(long walletId, string username, string userAccessToken)
{
DigitalWallet wallet = new DigitalWallet(walletId, username, userAccessToken);
digitalWallets.Add(wallet.getUsername(), wallet);
}
private string returnBalance(DigitalWallet digitalWallet)
{
return("Your balance is: " + digitalWallet.getWalletBalance().ToString("C2", CultureInfo.CurrentCulture));
}