public virtual double Pay(double sum)
{
double result = 0;
if (sum < _sum)
{
_sum -= sum;
result = sum;
Payed?.Invoke(this, new AccountEventArgs($"The sum {sum} was withdrawed from account ,your left money is {_sum - sum }", _sum));
}
else
{
throw new ArgumentException($"There is not enough money on account. You need to pay {sum }");
}
return(sum);
}
public override double Pay(double sum)
{
isRegistered = true;
double discount = sum * 0.8;
if (_sum < sum)
{
throw new ArgumentException($"There is not enough money on Permanent account. You need to pay {sum }");
}
if (isRegistered || Age < 6)
{
Payed?.Invoke(this, new AccountEventArgs($"The discount sum { discount }, unless the full price {sum} was withdrawed from Permanent account, your left money is { _sum - sum}", _sum));
return(base.Pay(discount));
}
else
{
Payed?.Invoke(this, new AccountEventArgs($"The sum { sum } was withdrawed from Permanent account, your left money is { _sum-sum }", _sum));
return(base.Pay(sum));
}
}
public override double Pay(double sum)
{
isRegistered = true;
double additional_sum = sum * 1.2;
if (_sum < sum)
{
throw new ArgumentException($"There is not enough money on Redistered account. You need to pay {sum }");
}
if (isRegistered || Age < 6)
{
Payed?.Invoke(this, new AccountEventArgs($"The sum { sum } was withdrawed from Registered account ,your left money is { _sum - sum }", _sum));
return(base.Pay(sum));
}
else
{
Payed?.Invoke(this, new AccountEventArgs($"The sum { additional_sum } was withdrawed from Registered account ,your left money is { _sum - sum }", _sum));
return(base.Pay(additional_sum));
}
}