public override CalculationResult Divide(NumberResult second)
{
if (string.IsNullOrEmpty(this.Value))
{
return(new NumberResult(0));
}
throw new Exception("Can`t divide strings.");
}
public override BoolResult IsLess(NumberResult second)
{
if (string.IsNullOrEmpty(this.Value))
{
return(new BoolResult(false));
}
return(new BoolResult(false));
}
public override CalculationResult Divide(NumberResult second)
{
var secondValue = double.Parse(second.Value);
if (secondValue == 0)
{
return(new NumberResult(0));
}
return(new NumberResult(double.Parse(this.Value) / secondValue));
}
public override CalculationResult Multiply(NumberResult second)
{
if (int.TryParse(second.Value, out var res))
{
return(new StringResult(string.Join("", Enumerable.Repeat(this.Value, res))));
}
else
{
throw new Exception("Cant multiply number and string.");
}
}
public override CalculationResult Substract(NumberResult second)
{
if (string.IsNullOrEmpty(this.Value))
{
return(new NumberResult(0 - double.Parse(second.Value)));
}
if (double.TryParse(this.Value, out _))
{
return(new NumberResult(double.Parse(Value) - double.Parse(second.Value)));
}
throw new Exception("Can`t substract Strings.");
}
public override CalculationResult Add(NumberResult second)
{
return(new StringResult(this.Value + second.Value));
}
public override CalculationResult Divide(NumberResult second)
{
throw new Exception("Can`t divide dates.");
}
public abstract BoolResult IsBigger(NumberResult second);
public abstract CalculationResult Multiply(NumberResult second);
public override CalculationResult Multiply(NumberResult second)
{
throw new Exception("Can`t multiply dates.");
}
public override CalculationResult Substract(NumberResult second)
{
throw new Exception("Can`t substract Date and Number.");
}
public override CalculationResult Add(NumberResult second)
{
throw new Exception("Can`t add date and number");
}
public override BoolResult IsLess(NumberResult second)
{
return(new BoolResult(true));
}
public override BoolResult IsBigger(NumberResult second)
{
return(new BoolResult(false));
}
public override BoolResult IsLess(NumberResult second)
{
return(new BoolResult(double.Parse(this.Value) < double.Parse(second.Value)));
}
public abstract CalculationResult Substract(NumberResult second);
public override CalculationResult Substract(NumberResult second)
{
return(new NumberResult(double.Parse(this.Value) - double.Parse(second.Value)));
}
public abstract CalculationResult Divide(NumberResult second);
public override CalculationResult Multiply(NumberResult second)
{
return(new NumberResult(double.Parse(this.Value) * double.Parse(second.Value)));
}
public abstract BoolResult IsLess(NumberResult second);
public override CalculationResult Add(NumberResult second)
{
throw new Exception("Can`t add bools.");
}