public static void ValidatePhoneNumber(this MpesaClient mpesaClient, string phoneNummber)
{
LengthValidator.ValidateLength(phoneNummber, "PhoneNumber", 12);
if (!phoneNummber.StartsWith("2547"))
{
throw new Exception("Invalid phone number");
}
}
public static void ValidateBusinessShortCode(this MpesaClient mpesaClient, string code)
{
NumericValidator.ValidateIsNumeric(code, "BusinessShortCode");
LengthValidator.ValidateLength(code, "BusinessShortCode", 13, 5);
}