/**
* Validate the elements data against the rule
*
* @param string $data To check
* @param int $repeatCounter Repeat group counter
*
* @return bool true if validation passes, false if fails
*/
public function validate($data, $repeatCounter)
{
$errors = array();
$currentTime = JFactory::getDate();
/* DO ID LENGTH TEST */
if (strlen($data) == 13) {
/* SPLIT ID INTO SECTIONS */
$year = substr($data, 0, 2);
$month = substr($data, 2, 2);
$day = substr($data, 4, 2);
$gender = substr($data, 6, 4) * 1;
$citizen = substr($data, 10, 2) * 1;
$check_sum = substr($data, 12, 1) * 1;
/* DO YEAR TEST */
$nowYearNotCentury = $currentTime->format('Y');
$nowYearNotCentury = substr($nowYearNotCentury, 2, 2);
$year = $year <= $nowYearNotCentury ? '20' . $year : '19' . $year;
if (!($year > 1900 && $year < $currentTime->format('Y'))) {
$errors[] = FText::_('PLG_VALIDATION_RSA_YEAR_IS_NOT_VALID');
}
/* DO MONTH TEST */
if (!($month > 0 && $month < 13)) {
$errors[] = FText::_('PLG_VALIDATION_RSA_MONTH_IS_NOT_VALID');
}
/* DO DAY TEST */
if (!($day > 0 && $day < 32)) {
$errors[] = 'Day is not valid';
}
/* DO DATE TEST */
if (($month == 4 || $month == 6 || $month == 9 || $month == 11) && $day == 31) {
$errors[] = FText::_('PLG_VALIDATION_RSA_MONTH_NOT_31_DAYS');
}
if ($month == 2) {
// check for february 29th
$isLeap = $year % 4 == 0 && ($year % 100 != 0 || $year % 400 == 0);
if ($day > 29 || $day == 29 && !$isLeap) {
$errors[] = FText::sprintf('PLG_VALIDATION_RSA_FEB_CHECK', $day, $year);
}
}
/* DO GENDER TEST */
if (!($gender >= 0 && $gender < 10000)) {
$errors[] = FText::sprintf('PLG_VALIDATION_RSA_GENDER_NOT_VALID');
}
/* DO CITIZEN TEST */
//08 or 09 SA citizen
//18 or 19 Not SA citizen but with residence permit
if (!($citizen == 8 || $citizen == 9 || $citizen == 18 || $citizen == 19)) {
$errors[] = FText::sprintf('PLG_VALIDATION_RSA_CITIZEN_NOT_VALID');
}
/* GET CHECKSUM VALUE */
$checkSumOdd = 0;
$checkSumEven = 0;
$checkSumEvenTemp = '';
// Get ODD Value
for ($count = 0; $count < 11; $count += 2) {
$checkSumOdd += substr($data, $count, 1);
}
// Get EVEN Value
for ($count = 0; $count < 12; $count += 2) {
$checkSumEvenTemp = $checkSumEvenTemp . substr($data, $count + 1, 1) + '';
}
$checkSumEvenTemp = $checkSumEvenTemp * 2;
$checkSumEvenTemp = $checkSumEvenTemp + '';
for ($count = 0; $count < strlen($checkSumEvenTemp); $count++) {
$checkSumEven += substr($checkSumEvenTemp, $count, 1) * 1;
}
// GET Checksum Value
$checkSumValue = $checkSumOdd * 1 + $checkSumEven * 1;
$checkSumValue = $checkSumValue . 'xxx';
$checkSumValue = 10 - substr($checkSumValue, 1, 1) * 1;
if ($checkSumValue == 10) {
$checkSumValue = 0;
}
/* DO CHECKSUM TEST */
if ($checkSumValue !== $check_sum) {
$errors[] = FText::_('PLG_VALIDATION_RSA_CHECKSUM_NOT_VALID');
}
} else {
$errors[] = FText::_('PLG_VALIDATION_RSA_ID_NOT_THE_RIGHT_LENGTH');
}
if (!empty($errors)) {
$this->errorMsg = implode('<br />', $errors);
return false;
}
return true;
}
