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Created: Sat, Sep 20, 2:33 PM

affiliate_plans_event_handler.php
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	<?php
	/**
	* @version $Id: affiliate_plans_event_handler.php 16516 2017-01-20 14:12:22Z 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 AffiliatePlansEventHandler extends kDBEventHandler {

	/**
	* Apply any custom changes to list's sql query
	*
	* @param kEvent $event
	* @return void
	* @access protected
	* @see kDBEventHandler::OnListBuild()
	*/
	protected function SetCustomQuery(kEvent $event)
	{
	parent::SetCustomQuery($event);

	if ( $event->Special == 'active' ) {
	/** @var kDBList $object */
	$object = $event->getObject();

	$object->addFilter('active', '%1$s.Enabled = 1');
	}
	}

	/**
	* Enter description here...
	*
	* @param kEvent $event
	*/
	function OnSetPrimary($event)
	{
	$object = $event->getObject();
	$object->SetDBField('IsPrimary', 1);
	$object->Update();
	}

	/**
	* Occurs before updating item
	*
	* @param kEvent $event
	* @return void
	* @access protected
	*/
	protected function OnBeforeItemUpdate(kEvent $event)
	{
	parent::OnBeforeItemUpdate($event);

	$this->itemChanged($event);
	}

	/**
	* Occurs before creating item
	*
	* @param kEvent $event
	* @return void
	* @access protected
	*/
	protected function OnBeforeItemCreate(kEvent $event)
	{
	parent::OnBeforeItemCreate($event);

	$this->itemChanged($event);
	}

	/**
	* Occurs before item is changed
	*
	* @param kEvent $event
	*/
	function itemChanged($event)
	{
	/** @var kDBItem $object */
	$object = $event->getObject();

	$live_table = $this->Application->getUnitOption($event->Prefix, 'TableName');
	$plans_count = $this->Conn->GetOne('SELECT COUNT(*) FROM ' . $live_table);
	if ( !$plans_count ) {
	$object->SetDBField('IsPrimary', 1);
	}

	if ( $object->GetDBField('IsPrimary') && $object->Validate() ) {
	$sql = 'UPDATE ' . $this->Application->getUnitOption($event->Prefix, 'TableName') . '
	SET IsPrimary = 0';
	$this->Conn->Query($sql);

	$object->SetDBField($object->getStatusField(), 1);
	}
	}

	/**
	* Don't allow to delete primary affiliate plan
	*
	* @param kEvent $event
	* @param string $type
	* @return void
	* @access protected
	*/
	protected function customProcessing(kEvent $event, $type)
	{
	if ( $event->Name == 'OnMassDelete' && $type == 'before' ) {
	$ids = $event->getEventParam('ids');

	$sql = 'SELECT ' . $this->Application->getUnitOption($event->Prefix, 'IDField') . '
	FROM ' . $this->Application->getUnitOption($event->Prefix, 'TableName') . '
	WHERE IsPrimary = 1';
	$primary_id = $this->Conn->GetOne($sql);

	$ids = array_diff($ids, Array ($primary_id));

	$event->setEventParam('ids', $ids);
	}
	}
	}

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