//transfer
public void PerformTransfer(IAccounts from, IAccounts to, decimal amount, string description, DateTimeOffset transferDate)
{
if (from.AccountNumber.Substring(0, 2) == to.AccountNumber.Substring(0, 2))
{
// substract money from sender
from.bal -= amount;
// add money to reciever
to.bal += amount;
//creating trasaction logs: there is one transaction for each accout, so in total two logs needed
// log for sender
statementrow statement1 = new statementrow();
statement1.account = from;
statement1.tran_amount = amount;
statement1.tran_date = transferDate;
statement1.description = description;
statement1.aftertran_balance = from.Balance;
this.TransactionLog.Add(statement1);
// log for reciever
statementrow statement2 = new statementrow();
statement2.account = to;
statement2.tran_amount = amount;
statement2.tran_date = transferDate;
statement2.description = description;
statement2.aftertran_balance = to.Balance;
this.TransactionLog.Add(statement2);
//print outout
Console.WriteLine();
Console.WriteLine(">Transfering " + amount + " from " + from.AccountNumber + " to " + to.AccountNumber);
Console.WriteLine(">Transaction date " + transferDate);
Console.WriteLine(">Message: " + description);
Console.WriteLine();
Console.WriteLine("*******************************");
}// prevent users transfer money to a diff type of account (SV to LN)
else
{
Console.WriteLine();
Console.WriteLine(">Transaction failed: You can't tranfer to a different type of account!");
Console.WriteLine();
Console.WriteLine("*******************************");
}
}
//last five transacation logs for the given account
public IEnumerable <statementrow> GetMiniStatement(IAccounts account)
{
List <statementrow> took = new List <statementrow> {
};
foreach (var x in this.TransactionLog)
{
if (x.account == account)
{
took.Add(x);
}
}
//**Here the transactions were made in time order and the GetMiniStatment operates in the same order
//**so what we need is just reverse the for loop
for (int i = took.Count; i > took.Count - 5; i--)
{
statementrow a = took[i - 1];
yield return(a);
}
}
//withdrawal
public void PerformWithdrawal(IAccounts account, decimal amount, string description, DateTimeOffset withdrawalDate)
{
// substact money from account
account.bal -= amount;
//creating a new transcaction log
statementrow statement = new statementrow();
statement.account = account;
statement.tran_amount = amount;
statement.tran_date = withdrawalDate;
statement.description = description;
statement.aftertran_balance = account.Balance;
this.TransactionLog.Add(statement);
//print output
Console.WriteLine();
Console.WriteLine(">Withdrawaling " + amount + " from " + account.AccountNumber);
Console.WriteLine(">Transaction date " + withdrawalDate);
Console.WriteLine(">Message: " + description);
Console.WriteLine(">Balance after transaction: " + this.GetBalance(account));
Console.WriteLine();
Console.WriteLine("*******************************");
}
//deposit
public void PerformDeposit(IAccounts account, decimal amount, string description, DateTimeOffset depositDate)
{
//adding money into account
account.bal += amount;
//creating a new transaction log
statementrow statement = new statementrow();
statement.account = account;
statement.tran_amount = amount;
statement.tran_date = depositDate;
statement.description = description;
statement.aftertran_balance = account.Balance;
this.TransactionLog.Add(statement);
//print outout
Console.WriteLine();
Console.WriteLine(">Depositing " + amount + " into " + account.AccountNumber);
Console.WriteLine(">Transaction date " + depositDate);
Console.WriteLine(">Message: " + description);
Console.WriteLine(">Balance after transaction: " + this.GetBalance(account));
Console.WriteLine();
Console.WriteLine("*******************************");
}
