/**
* Validate discount rules data
*
* Method will validate all the discount rules POST data
*
* @access private
* @param string &$error The referenced string to store the error in, if any were found
* @return bool TRUE if POST data is valid, FALSE if there were errors
*/
private function ValidateDiscountRulesData(&$error)
{
$discounts = $this->GetDiscountRulesData(0);
// Check to see if we have anything to validate
if (empty($discounts)) {
return true;
}
// Variable to check for overlapping
$overlap = array(
0 => array(),
1 => array()
);
// This is to check for the previous quantities
$prevMax = null;
// OK, we have some, now check each rule
foreach ($discounts as $key => $discount) {
// Check first to see if these are empty records. If so then just continue
if ($discount['quantitymin'] == '' && $discount['quantitymax'] == '' && $discount['amount'] == '') {
continue;
}
if ($discount['quantitymin'] == '') {
$error = sprintf(GetLang('DiscountRulesQuantityMinRequired'), $key+1);
return false;
}
if (!isId($discount['quantitymin']) && $discount['quantitymin'] !== '*') {
$error = sprintf(GetLang('DiscountRulesQuantityMinInvalid'), $key+1);
return false;
}
if ($discount['quantitymax'] == '') {
$error = sprintf(GetLang('DiscountRulesQuantityMaxRequired'), $key+1);
return false;
}
if (!isId($discount['quantitymax']) && $discount['quantitymax'] !== '*') {
$error = sprintf(GetLang('DiscountRulesQuantityMaxInvalid'), $key+1);
return false;
}
// Check to see if the min is still lower than the maximum quantity
if ($discount['quantitymin'] !== '*' && $discount['quantitymax'] !== '*' && $discount['quantitymin'] > $discount['quantitymax']) {
$error = sprintf(GetLang('DiscountRulesQuantityMinHigher'), $key+1);
return false;
}
// Both min and max values cannot be astrix
if ($discount['quantitymin'] == '*' && $discount['quantitymax'] == '*') {
$error = sprintf(GetLang('DiscountRulesQuantityBothAstrix'), $key+1);
return false;
}
// Check to see if the previous max and current min quantities are both astrixes
if (!is_null($prevMax) && $prevMax == '*' && $discount['quantitymin'] == '*') {
$error = sprintf(GetLang('DiscountRulesQuantityMinPrevMaxAstrix'), $key+1);
return false;
}
// Check for overlapping
if ($discount['quantitymin'] !== '*' && Store_Number::isOverlapping($discount['quantitymin'], $overlap) == 1) {
$error = sprintf(GetLang('DiscountRulesQuantityMinOverlap'), $key+1);
return false;
}
if ($discount['quantitymax'] !== '*' && Store_Number::isOverlapping($discount['quantitymin'], $overlap) == 1) {
$error = sprintf(GetLang('DiscountRulesQuantityMinOverlap'), $key+1);
return false;
}
// Check those values for our next loop
if ($discount['quantitymin'] !== '*') {
$overlap[0][] = $discount['quantitymin'];
} else {
$overlap[0][] = '';
}
if ($discount['quantitymax'] !== '*') {
$overlap[1][] = $discount['quantitymax'];
} else {
$overlap[1][] = '';
}
$type = isc_strtolower(isc_html_escape($discount['type']));
// Do we have the currect type?
if ($type !== 'price' && $type !== 'percent' && $type !== 'fixed') {
$error = sprintf(GetLang('DiscountRulesTypeInvalid'), $key+1);
return false;
}
if ($discount['amount'] == '') {
$error = sprintf(GetLang('DiscountRulesAmountRequired'), $key+1);
return false;
}
// Do we have a valit price/percentage?
if (!isId($discount['amount']) && CPrice($discount['amount']) == '') {
$error = sprintf(GetLang('DiscountRulesAmountInvalid'), $key+1);
return false;
}
// Now we do some checking compared againt the product price
switch ($type) {
case 'price':
if (DefaultPriceFormat($discount['amount']) >= DefaultPriceFormat($_POST['prodPrice'])) {
$error = sprintf(GetLang('DiscountRulesAmountPriceInvalid'), $key+1);
return false;
}
break;
case 'percent':
if ((int)$discount['amount'] >= 100) {
$error = sprintf(GetLang('DiscountRulesAmountPercentInvalid'), $key+1);
return false;
} else if (strpos($discount['amount'], '.') !== false) {
$error = sprintf(GetLang('DiscountRulesAmountPercentIsFloat'), $key+1);
return false;
}
break;
case 'fixed':
if ($discount['amount'] >= $_POST['prodPrice']) {
$error = sprintf(GetLang('DiscountRulesAmountFixedInvalid'), $key+1);
return false;
}
break;
}
// Store value to be used as previous value next time
$prevMax = $discount['quantitymax'];
}
return true;
}
