public override BoolResult IsLess(DateResult second)
{
if (string.IsNullOrEmpty(this.Value))
{
return(new BoolResult(false));
}
return(new BoolResult(false));
}
public abstract CalculationResult Divide(DateResult second);
public abstract CalculationResult Multiply(DateResult second);
public abstract CalculationResult Substract(DateResult second);
public abstract CalculationResult Add(DateResult second);
public override CalculationResult Multiply(DateResult second)
{
throw new Exception("Can`t multiply dates.");
}
public override CalculationResult Substract(DateResult second)
{
throw new Exception("Can`t substract Strings.");
}
public override BoolResult IsLess(DateResult second)
{
return(new BoolResult(DateTime.Parse(this.Value) < DateTime.Parse(second.Value)));
}
public override CalculationResult Add(DateResult second)
{
throw new Exception("Can`t add number and date.");
}
public override CalculationResult Divide(DateResult second)
{
throw new Exception("Can`t divide strings.");
}
public override BoolResult IsLess(DateResult second)
{
return(new BoolResult(false));
}
public override BoolResult IsBigger(DateResult second)
{
return(new BoolResult(true));
}
public override CalculationResult Substract(DateResult second)
{
return(new DateResult(DateTime.Parse(this.Value) - new TimeSpan(DateTime.Parse(second.Value).Ticks)));
}
public abstract BoolResult IsBigger(DateResult second);
public override CalculationResult Add(DateResult second)
{
return(new StringResult(this.Value + second.Value));
}
public abstract BoolResult IsLess(DateResult second);
public override CalculationResult Add(DateResult second)
{
throw new Exception("Can`t add bools.");
}