} //end MakeWithdrawal method
/// <summary>
/// Allows the Teller debit a certain account by entering the account number and the amount to be withdrawn.
/// Requires: The account number is currently in the banks database.
/// Requires: The amount to be withdrawn is not negative.
/// Requires: The account is a current account.
/// Requires: The amount to be withdrawn is greater than the present amount.
/// Requires: The account balance value is positive.
/// </summary>
/// <param name="accountNumber">The account number identifying the account to withdraw from.</param>
/// <param name="debitAmount">Amount to be withdrawn</param>
/// <exception cref="InvalidDataException">Thrown when the account number does not exist in the database</exception>
/// <exception cref="InvalidOperationException">Thrown when the account is not a current account.</exception>
/// <exception cref="ArgumentException">Thrown when the Amount to be withdrawn is negative,
/// Thrown when the debit amount is less than the present account balance,
/// Thrown when the account balance is less than zero.
/// </exception>
public virtual void MakeOverdraftWithdrawal(string accountNumber, double debitAmount)
{
Contract.Requires <ArgumentException>(GetAccountBalance(accountNumber) > 0, "You already owe the bank");
Contract.Requires <InvalidDataException>(AccountExists(accountNumber), "Please check input. Account Number does not exist");
Contract.Requires <InvalidOperationException>(GetAccountType(accountNumber).ToLower().Equals("current"),
"Transaction valid for current accounts only.");
Contract.Requires <ArgumentException>(GetAccountBalance(accountNumber) < debitAmount,
"Can withdraw normally, no need for overdraft");
Contract.Requires <ArgumentException>(debitAmount > 0, "Cannot withdraw a negative balance");
Console.WriteLine("");
Console.WriteLine("ACCOUNT INFO");
Console.WriteLine("");
string accountName = GetAccountName(accountNumber);
Console.WriteLine("Account Name: " + accountName);
string accountType = GetAccountType(accountNumber);
Console.WriteLine("Account Type: " + accountType);
Console.WriteLine("Account Number: " + accountNumber);
Console.WriteLine("");
double currentBalance = GetAccountBalance(accountNumber);
Console.WriteLine("Previous Account Balance: " + getBalance(currentBalance));
Account <CurrentAccount> currAcc = new Account <CurrentAccount>(accountName, accountNumber, currentBalance);
CurrentAccount.overdraftWithdraw(currAcc, accountNumber, debitAmount);
Console.WriteLine("New Account Balance: " + getBalance(GetAccountBalance(accountNumber)));
} //end MakeOverdraftWithdrawal method
} //end CreateAccount method
/// <summary>
/// Allows the Teller credit a certain account by entering the account number and the amount to be deposited.
/// Requires: The account number is currently in the banks database.
/// Requires: The amount to be deposited is not negative.
/// </summary>
/// <param name="accountNumber">The account number identifying the account to be deposited to.</param>
/// <param name="creditAmount">Amount to be deposited.</param>
/// <exception cref="InvalidDataException">Thrown when the account number does not exist in the database</exception>
/// <exception cref="ArgumentException">Thrown when the Amount to be deposited is negative.</exception>
public virtual void MakeDeposit(string accountNumber, double creditAmount)
{
Contract.Requires <InvalidDataException>(AccountExists(accountNumber), "Please check input. Account Number does not exist");
Contract.Requires <ArgumentException>(creditAmount > 0, "Cannot deposit a negative balance");
Console.WriteLine("");
Console.WriteLine("ACCOUNT INFO");
Console.WriteLine("");
string accountName = GetAccountName(accountNumber);
Console.WriteLine("Account Name: " + accountName);
string accountType = GetAccountType(accountNumber);
Console.WriteLine("Account Type: " + accountType);
Console.WriteLine("Account Number: " + accountNumber);
double currentBalance = GetAccountBalance(accountNumber);
Console.WriteLine("Previous Account Balance: " + getBalance(currentBalance));
Console.WriteLine("");
switch (accountType.ToUpper())
{
case "SAVINGS": //credits the savings account
Account savingsAcc = new SavingsAccount(accountName, accountNumber, currentBalance);
savingsAcc.makeDeposit(accountNumber, creditAmount);
break;
case "CURRENT": //credits the current account
Account currentAcc = new CurrentAccount(accountName, accountNumber, currentBalance);
currentAcc.makeDeposit(accountNumber, creditAmount);
break;
}
Console.WriteLine("New Account Balance: " + getBalance(GetAccountBalance(accountNumber)));
} //end MakeDeposit method
} //end MakeDeposit method
/// <summary>
/// Allows the Teller debit a certain account by entering the account number and the amount to be withdrawn.
/// Requires: The account number is currently in the banks database.
/// Requires: The amount to be withdrawn is not negative.
/// Requires: The amount to be withdrawn is not greater than the present account balance.
/// </summary>
/// <param name="accountNumber">The account number identifying the account to withdraw from.</param>
/// <param name="debitAmount">Amount to be withdrawn.</param>
/// <exception cref="InvalidDataException">Thrown when the account number does not exist in the database</exception>
/// <exception cref="ArgumentException">Thrown when the Amount to be withdrawn is negative,
/// Thrown when the debit amount is greater than the present account balance.
/// </exception>
public virtual void MakeWithdrawal(string accountNumber, double debitAmount)
{
Contract.Requires <InvalidDataException>(AccountExists(accountNumber), "Please check input. Account Number does not exist");
Contract.Requires <ArgumentException>(debitAmount > 0, "Cannot withdraw a negative balance");
Contract.Requires <ArgumentException>(GetAccountBalance(accountNumber) >= debitAmount,
"Cannot withdraw more than what you have, try using the overdraft");
Console.WriteLine("");
Console.WriteLine("ACCOUNT INFO");
Console.WriteLine("");
string accountName = GetAccountName(accountNumber);
Console.WriteLine("Account Name: " + accountName);
string accountType = GetAccountType(accountNumber);
Console.WriteLine("Account Type: " + accountType);
Console.WriteLine("Account Number: " + accountNumber);
double currentBalance = GetAccountBalance(accountNumber);
Console.WriteLine("Previous Account Balance: " + getBalance(currentBalance));
Console.WriteLine("");
switch (accountType.ToUpper())
{
case "SAVINGS": //debits the savings account
Account savingsAcc = new SavingsAccount(accountName, accountNumber, currentBalance);
savingsAcc.makeWithdrawal(accountNumber, debitAmount);
break;
case "CURRENT": //debits the savings account
Account currentAcc = new CurrentAccount(accountName, accountNumber, currentBalance);
currentAcc.makeWithdrawal(accountNumber, debitAmount);
break;
}
Console.WriteLine("New Account Balance: " + getBalance(GetAccountBalance(accountNumber)));
} //end MakeWithdrawal method