uses_coupons();
}
function wpsc_coupons_error(){
global $wpsc_coupons;
//exit(''.print_r($wpsc_coupons, true).'
');
if(isset($wpsc_coupons->errormsg) && $wpsc_coupons->errormsg == false){
return true;
}else{
return false;
}
}
/**
* Coupons class.
*
* Conditional coupons use an 'ALL' logic. Now admins can achieve an 'ANY' logic by adding multiple coupons.
*
* TODO: Implement 'ANY' logic of conditional coupons.
*
* @package wp-e-commerce
* @since 3.7
*/
class wpsc_coupons {
var $code;
var $value;
var $is_percentage;
var $conditions;
var $start_date;
var $active;
var $every_product ;
var $end_date;
var $use_once;
var $is_used;
var $discount;
//for error message
var $errormsg;
/**
* Coupons constractor
*
* Instantiate a coupons object with optional variable $code;
*
* @param string code (optional) the coupon code you would like to use.
* @return bool True if coupon code exists, False otherwise.
*/
function wpsc_coupons($code = ''){
global $wpdb;
if ($code == '') {
return false;
} else {
$this->code = $wpdb->escape($code);
$coupon_data = $wpdb->get_row("SELECT * FROM `".WPSC_TABLE_COUPON_CODES."` WHERE coupon_code='$code' LIMIT 1", ARRAY_A);
if (($coupon_data == '') || ($coupon_data == null) || (strtotime($coupon_data['expiry']) < time()) ) {
$this->errormsg = false;
return false;
} else {
$this->value = $coupon_data['value'];
$this->is_percentage = $coupon_data['is-percentage'];
$this->conditions = unserialize($coupon_data['condition']);
$this->is_used = $coupon_data['is-used'];
$this->active = $coupon_data['active'];
$this->use_once = $coupon_data['use-once'];
$this->start_date = $coupon_data['start'];
$this->end_date = $coupon_data['expiry'];
$this->every_product = $coupon_data['every_product'];
$this->errormsg = true;
$valid = $this->validate_coupon();
return $valid;
}
}
}
/**
* Coupons validator
*
* Checks if the current coupon is valid to use (Expiry date, Active, Used).
*
* @return bool True if coupon is not expried, used and still active, False otherwise.
*/
function validate_coupon() {
$now = date("Y-m-d H:i:s");
$now = strtotime($now);
if ( ($this->active=='1') && !(($this->use_once == '1') && ($this->is_used=='1'))){
if ((strtotime($this->start_date) < $now)&&(strtotime($this->end_date) > $now)){
return true;
}
}
return false;
}
function calculate_discount() {
global $wpdb, $wpsc_cart;
//echo "".print_r($wpsc_cart,true)."
";
$wpsc_cart->clear_cache();
if ($this->conditions == '' || count($this->conditions) == 0) {
//Calculates the discount for the whole cart if there is no condition on this coupon.
if ($this->is_percentage == '1') {
$total_price = $wpsc_cart->calculate_subtotal();
$this->discount = $total_price*$this->value/100;
return $this->discount;
} else {
if($this->every_product == 1) {
$item_count = (int)wpsc_cart_item_count();
return ($this->value * $item_count);
} else {
return $this->value;
}
}
} else {
//Loop throught all products in the shopping cart, apply coupons on the ones match the conditions.
$cart =& $wpsc_cart->have_cart_items();
// exit(''.print_r($cart->, true).'
');
/*
foreach($wpsc_cart->cart_items as $key => $cart_item) {
echo ''.print_r($cart_item, true).'
';
}
*/
//exit(''.print_r($this, true).'
');
foreach ($wpsc_cart->cart_items as $key => $item) {
$match = true;
$product_data = $wpdb->get_results("SELECT * FROM ".WPSC_TABLE_PRODUCT_LIST." WHERE id='{$item->product_id}'");
$product_data = $product_data[0];
foreach ($this->conditions as $c) {
//Check if all the condictions are returning true, so it's an ALL logic, if anyone want to implement a ANY logic please do.
/* $match && */ $match = $this->compare_logic($c, $item);
if($match){
$match = true;
// exit('ture');
}else{
$match = false;
// exit('false');
}
}
if ($match) {
if ($this->is_percentage == '1') {
$this->discount = $item->unit_price*$item->quantity*$this->value/100;
$item->discount = $this->discount;
if($this->every_product == 1){
$return += $this->discount;
}else{
return $this->discount;
}
//echo $item->discount."-";
} else {
$item->discount = $this->value;
if($this->every_product == 1){
$return += $this->discount;
}else{
//exit(''.print_r($this,true).'
');
return $this->value;
}
//$return += $this->value;
}
}else{
//exit('match not found');
$this->discount = 0;
$item->discount = $this->discount;
$return += $this->discount;
}
}
}
return $return;
}
/**
* Comparing logic with the product information
*
* Checks if the product matchs the logic
*
* @return bool True if all conditions are matched, False otherwise.
*/
function compare_logic($c, $product_obj) {
global $wpdb;
if ($c['property'] == 'item_name') {
$product_data = $wpdb->get_results("SELECT * FROM ".WPSC_TABLE_PRODUCT_LIST." WHERE id='{$product_obj->product_id}'");
$product_data = $product_data[0];
switch($c['logic']) {
case 'equal': //Checks if the product name is exactly the same as the condition value
if ($product_data->name == $c['value']) {
return true;
}
break;
case 'greater'://Checks if the product name is not the same as the condition value
if ($product_data->name > $c['value'])
return true;
break;
case 'less'://Checks if the product name is not the same as the condition value
if ($product_data->name < $c['value'])
return true;
break;
case 'contains'://Checks if the product name contains the condition value
preg_match("/(.*)".$c['value']."(.*)/", $product_data->name, $match);
if (!empty($match))
return true;
break;
case 'not_contain'://Checks if the product name contains the condition value
preg_match("/(.*)".$c['value']."(.*)/", $product_data->name, $match);
if (empty($match))
return true;
break;
case 'begins'://Checks if the product name begins with condition value
preg_match("/^".$c['value']."/", $product_data->name, $match);
if (!empty($match))
return true;
break;
case 'ends'://Checks if the product name ends with condition value
preg_match("/".$c['value']."$/", $product_data->name, $match);
if (!empty($match))
return true;
break;
default:
return false;
}
} else if ($c['property'] == 'item_quantity'){
switch($c['logic']) {
case 'equal'://Checks if the quantity of a product in the cart equals condition value
exit($product_obj->quantity.'and'.$c['value']);
if ($product_obj->quantity == (int)$c['value'])
return true;
break;
case 'greater'://Checks if the quantity of a product is greater than the condition value
if ($product_obj->quantity > $c['value'])
return true;
break;
case 'less'://Checks if the quantity of a product is less than the condition value
if ($product_obj->quantity < $c['value'])
return true;
break;
case 'contains'://Checks if the product name contains the condition value
preg_match("/(.*)".$c['value']."(.*)/", $product_obj->quantity, $match);
if (!empty($match))
return true;
break;
case 'not_contain'://Checks if the product name contains the condition value
preg_match("/(.*)".$c['value']."(.*)/",$product_obj->quantity, $match);
if (empty($match))
return true;
break;
case 'begins'://Checks if the product name begins with condition value
preg_match("/^".$c['value']."/", $product_obj->quantity, $match);
if (!empty($match))
return true;
break;
case 'ends'://Checks if the product name ends with condition value
preg_match("/".$c['value']."$/",$product_obj->quantity, $match);
if (!empty($match))
return true;
break;
default:
return false;
}
} else if ($c['property'] == 'total_quantity'){
// exit(''.print_r($product_obj, true).'
');
$total_quantity = $product_obj->quantity;
switch($c['logic']) {
case 'equal'://Checks if the quantity of products in the cart equals condition value
if ($total_quantity == $c['value'])
return true;
break;
case 'greater'://Checks if the quantity in the cart is greater than the condition value
if ($total_quantity > $c['value'])
return true;
break;
case 'less'://Checks if the quantity in the cart is less than the condition value
if ($total_quantity < $c['value'])
return true;
break;
default:
return false;
}
} else if ($c['property'] == 'subtotal_amount'){
$subtotal = wpsc_cart_total(false);
//exit(''.print_r($subtotal,true).'
');
switch($c['logic']) {
case 'equal'://Checks if the subtotal of products in the cart equals condition value
if ($subtotal == $c['value'])
return true;
break;
case 'greater'://Checks if the subtotal of the cart is greater than the condition value
// exit('triggered here'.$subtotal.'>'.$c['value']);
if ($subtotal > $c['value'])
return true;
break;
case 'less'://Checks if the subtotal of the cart is less than the condition value
if ($subtotal < $c['value']){
//exit(''.print_r($product_obj->cart->subtotal, true).'
cValue'.$c['value']);
return true;
}else{
return false;
}
break;
default:
return false;
}
}
}
/**
* uses coupons function, no parameters
* @return boolean if true, items in the cart do use coupons
*/
function uses_coupons() {
global $wpdb;
$coupon_info = $wpdb->get_results("SELECT * FROM `".WPSC_TABLE_COUPON_CODES."` WHERE active='1' ",ARRAY_A);
if($coupon_info != NULL){
return true;
}else{
return false;
}
}
}
?>