public static PremiseValidator TextIsCreditCardNumber <S>(this PremiseValidator context) where S : IResponseMessage, new()
{
return(context.Must <S>(value =>
{
int sum = 0;
int mul = 1;
int count = (value as string).Count();
for (int i = 0; i < count; i++)
{
var digit = (value as string).Substring(count - i - 1, count - i);
var product = int.Parse(digit) * mul;
sum += (product >= 10) ? ((product % 10) + 1) : (product);
if (mul == 1)
{
mul++;
}
else
{
mul--;
}
}
if ((sum % 10) == 0)
{
return (true);
}
else
{
return (false);
}
}));
}
public static PremiseValidator TextIsWithin <S>(this PremiseValidator context, int lower, int upper = 99999999) where S : IResponseMessage, new()
{
return(context.Must <S>(value =>
{
var count = (value as string).Count();
return count >= lower && count <= upper;
}));
}
public static PremiseValidator TextIsAlphaNumeric <S>(this PremiseValidator context) where S : IResponseMessage, new()
{
return(context.Must <S>(value => value != null ? (value as string).Replace(" ", "").All(char.IsLetterOrDigit) : false));
}
public static PremiseValidator TextIsNumeric <S>(this PremiseValidator context) where S : IResponseMessage, new()
{
return(context.Must <S>(value => value == null || (value as string).All(char.IsNumber)));
}
public static PremiseValidator TextIsNotEmpty <S>(this PremiseValidator context) where S : IResponseMessage, new()
{
return(context.Must <S>(value => !string.IsNullOrWhiteSpace(value as string)));
}
public static PremiseValidator DateIsInPast <S>(this PremiseValidator context) where S : IResponseMessage, new()
{
return(context.Must <S>(value => (value as DateTime?) < DateTime.Now));
}