public DTO performOperation(DTO dto)
{
DTO answer = null;
if (dto is MoneyDTO)
{
MoneyDTO moneyDTO = dto as MoneyDTO;
switch (dto.getOperationType())
{
case 2:
answer = Deposit(moneyDTO);
break;
case 3:
answer = Withdraw(moneyDTO);
break;
case 4:
answer = GetBalance(moneyDTO);
break;
default:
throw new Exception("Incorrect operation type");
}
}
else
{
throw new Exception("Incorrect DTO");
}
return(answer);
}
private DTO GetBalance(MoneyDTO moneyDTO)
{
double amount = account.GetBalance();
MessageDTO messageDTO = new MessageDTO(moneyDTO.getOperationType(), amount + "$", true);
return(messageDTO);
}
private DTO Withdraw(MoneyDTO moneyDTO)
{
MessageDTO messageDTO = null;
double amount = moneyDTO.getAount();
try
{
account.Deposit(amount);
messageDTO = new MessageDTO(moneyDTO.getOperationType(), "Succesfully deposited " + amount + "$", true);
}
catch (ArgumentException ex)
{
messageDTO = new MessageDTO(moneyDTO.getOperationType(), ex.Message, true);
}
return(messageDTO);
}
private DTO Deposit(MoneyDTO moneyDTO)
{
MessageDTO messageDTO = null;
double amount = moneyDTO.getAount();
try
{
if (account.GetBalance() >= amount)
{
account.Withdraw(amount);
messageDTO = new MessageDTO(moneyDTO.getOperationType(), "Succesfully withdrawn " + amount + "$", true);
}
else
{
messageDTO = new MessageDTO(moneyDTO.getOperationType(), "Brak wybranej ilosci srodkow na koncie ", true);
}
}
catch (ArgumentException ex)
{
messageDTO = new MessageDTO(moneyDTO.getOperationType(), ex.Message, true);
}
return(messageDTO);
}
