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Created: Tue, Nov 11, 1:02 PM

coupons_event_handler.php
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	<?php
	/**
	* @version $Id: coupons_event_handler.php 14258 2011-03-16 21:43:52Z alex $
	* @package In-Commerce
	* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
	* @license Commercial License
	* This software is protected by copyright law and international treaties.
	* Unauthorized reproduction or unlicensed usage of the code of this program,
	* or any portion of it may result in severe civil and criminal penalties,
	* and will be prosecuted to the maximum extent possible under the law
	* See http://www.in-portal.org/commercial-license for copyright notices and details.
	*/

	defined('FULL_PATH') or die('restricted access!');

	class CouponsEventHandler extends kDBEventHandler {

	/**
	* Allows to override standart permission mapping
	*
	*/
	function mapPermissions()
	{
	parent::mapPermissions();
	$permissions = Array(
	'OnItemBuild' => Array('self' => true),
	);

	$this->permMapping = array_merge($this->permMapping, $permissions);
	}


	function OnApplyClone(&$event)
	{
	$item = &$event->getObject();
	$clone_count = $this->Application->GetVar('clone_items_count');
	$table = $this->Application->getUnitOption($event->Prefix, 'TableName');
	if ($clone_count && $clone_count>0){
	$this->Application->StoreVar('CoupLastCloneCount', $clone_count);
	for ($i=0; $i<$clone_count; $i++) {
	$this->SetNewCode($item);

	$item->SetField('Expiration_date', $this->Application->GetVar('clone_exp_date'));
	$item->SetField('Expiration_time', $this->Application->GetVar('clone_exp_time'));
	$item->NameCopy();
	$validated = $item->Create();


	}
	}

	if ($validated){
	$this->finalizePopup($event);
	}else{
	$event->redirect = false;
	}
	}

	function SetNewCode(&$item)
	{
	do{
	$new_code = $this->RandomCouponCode(10);
	$exists = $this->Conn->GetOne('SELECT COUNT(*) FROM '.TABLE_PREFIX.'ProductsCoupons WHERE Code='.$this->Conn->qstr($new_code));
	if ($exists){
	$new_code = false;
	}
	} while (!$new_code);

	$item->SetDBField('Code', $new_code);
	}

	function RandomCouponCode($size)
	{
	$rand_code = "";
	for ($i=0; $i<10; $i++){
	$is_letter = rand(0,1);
	if ($is_letter){
	$rand_char = chr(rand(65,90));
	}else{
	$rand_char = rand(0,9);
	}
	$rand_code .= $rand_char;
	}
	return $rand_code;
	}

	/**
	* Enter description here...
	*
	* @param kEvent $event
	*/
	function OnApplyCoupon(&$event)
	{
	$code = $this->Application->GetVar('coupon_code');
	if ($code == '') {
	return ;
	}

	$object =& $event->getObject(Array('skip_autoload' => true));
	$object->Load($code, 'Code');

	if (!$object->isLoaded()) {
	$event->status = kEvent::erFAIL;
	$this->Application->SetVar('set_checkout_error', 4);
	$event->redirect = false; // check!!!
	return ;
	}

	$expire_date = $object->GetDBField('Expiration');
	$number_of_use = $object->GetDBField('NumberOfUses');
	if( $object->GetDBField('Status') != 1 \|\| ($expire_date && $expire_date < adodb_mktime()) \|\|
	(isset($number_of_use) && $number_of_use <= 0))
	{
	$event->status = kEvent::erFAIL;
	$this->Application->SetVar('set_checkout_error', 5);
	$event->redirect->false;
	return ;
	}

	$last_used = adodb_mktime();
	$object->SetDBField('LastUsedBy', $this->Application->RecallVar('user_id'));
	$object->SetDBField('LastUsedOn_date', $last_used);
	$object->SetDBField('LastUsedOn_time', $last_used);
	if(isset($number_of_use))
	{
	$object->SetDBField('NumberOfUses', $number_of_use - 1);
	if($number_of_use == 1)
	{
	$object->SetDBField('Status', 2);
	}
	}
	$object->Update();

	$this->Application->setUnitOption('ord', 'AutoLoad', true);
	$order =& $this->Application->recallObject('ord');
	$order->SetDBField('CouponId', $object->GetDBField('CouponId'));
	$order->Update();

	$this->Application->SetVar('set_checkout_error', 10);
	}

	/**
	* Enter description here...
	*
	* @param kEvent $event
	*/
	function OnPreCreate(&$event){

	parent::OnPreCreate($event);

	$object = &$event->getObject();
	$exp_date = adodb_mktime();

	$default_duration = $this->Application->ConfigValue('Comm_DefaultCouponDuration');

	if ($default_duration && $default_duration>0){
	$exp_date += (int)$default_duration*86400;
	}
	$object->SetDBField('Expiration_date', $exp_date);
	}

	function OnBeforeItemUpdate(&$event)
	{
	$object =& $event->getObject();
	$object->SetDBField( 'Amount', abs($object->GetDBField('Amount')) );
	}

	function OnBeforeItemCreate(&$event)
	{
	$this->OnBeforeItemUpdate($event);
	}
	}

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