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Created: Sat, Aug 30, 9:49 PM

poll_comment_eh.php
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	<?php
	/**
	* @version $Id: poll_comment_eh.php 16521 2017-01-20 20:26:22Z alex $
	* @package In-Bulletin
	* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
	* @license GNU/GPL
	* In-Portal is Open Source software.
	* This means that this software may have been modified pursuant
	* the GNU General Public License, and as distributed it includes
	* or is derivative of works licensed under the GNU General Public License
	* or other free or open source software licenses.
	* See http://www.in-portal.org/license for copyright notices and details.
	*/

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

	class PollCommentEventHandler extends kDBEventHandler {

	/**
	* Allows to override standard permission mapping
	*
	* @return void
	* @access protected
	* @see kEventHandler::$permMapping
	*/
	protected function mapPermissions()
	{
	parent::mapPermissions();

	$permissions = Array (
	'OnCreateAjax' => Array ('self' => true, 'subitem' => true,),
	'OnItemBuild' => Array ('self' => true, 'subitem' => true,),
	);

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

	/**
	* Occurs, when config was parsed, allows to change config data dynamically
	*
	* @param kEvent $event
	* @return void
	* @access protected
	*/
	protected function OnAfterConfigRead(kEvent $event)
	{
	parent::OnAfterConfigRead($event);

	if ( $this->Application->RecallVar('user_id') == USER_GUEST ) {
	// make Guest Name and Email required for guests
	$config = $event->getUnitConfig();

	$fields = $config->getFields();
	$fields['GuestName']['required'] = 1;
	$fields['GuestEmail']['required'] = 1;
	$config->setFields($fields);
	}
	}

	/**
	* Applies special filter, that allows to select all commented from current poll
	*
	* @param kEvent $event
	* @return void
	* @access protected
	* @see kDBEventHandler::OnListBuild()
	*/
	protected function SetCustomQuery(kEvent $event)
	{
	parent::SetCustomQuery($event);

	if ( $this->Application->isAdminUser ) {
	return;
	}

	/** @var kDBList $object */
	$object = $event->getObject();

	$object->addFilter('comment_status', '%1$s.Status = ' . STATUS_ACTIVE);
	}

	/**
	* Occurs before creating item
	*
	* @param kEvent $event
	* @return void
	* @access protected
	*/
	protected function OnBeforeItemCreate(kEvent $event)
	{
	if ( !$this->Application->isAdmin ) {
	/** @var kDBItem $object */
	$object = $event->getObject();

	$parent_info = $object->getLinkedInfo($event->Special);
	$poll_id = $parent_info['ParentId'];

	if ( $poll_id ) {
	/** @var SpamHelper $spam_helper */
	$spam_helper = $this->Application->recallObject('SpamHelper');

	$spam_helper->InitHelper($poll_id, 'PollComment', 0); // ResourceId used for SpamControl only

	if ( $spam_helper->InSpamControl() ) {
	$event->status = kEvent::erFAIL;
	$object->SetError('CommentBody', 'too_frequent', 'lu_error_AlreadyCommented');
	return ;
	}

	$object->SetDBField('PollId', $poll_id); // PollId
	}

	$object->SetDBField('CreatedById', $this->Application->RecallVar('user_id'));
	$object->SetDBField('UserIP', $this->Application->getClientIp());
	$object->SetDBField('Status', STATUS_ACTIVE);
	}

	parent::OnBeforeItemCreate($event);
	}

	/**
	* Updates item review counter
	*
	* @param kEvent $event
	* @return void
	* @access protected
	*/
	protected function OnCreate(kEvent $event)
	{
	parent::OnCreate($event);

	if ( !$this->Application->isAdmin && $event->status == kEvent::erSUCCESS ) {
	$event->setRedirectParam('opener', 's');
	$event->setRedirectParam('pass', 'm,poll');
	}
	}

	/**
	* Wrapper for OnCreate event
	*
	* @param kEvent $event
	*
	* @return void
	* @access protected
	*/
	protected function OnCreateAjax(kEvent $event)
	{
	/** @var AjaxFormHelper $ajax_form_helper */
	$ajax_form_helper = $this->Application->recallObject('AjaxFormHelper');

	$ajax_form_helper->transitEvent($event, 'OnCreate');
	}

	/**
	* Protects against spam
	*
	* @param kEvent $event
	* @return void
	* @access protected
	*/
	protected function OnAfterItemCreate(kEvent $event)
	{
	parent::OnAfterItemCreate($event);

	if ( !$this->Application->isAdminUser ) {
	/** @var SpamHelper $spam_helper */
	$spam_helper = $this->Application->recallObject('SpamHelper');

	/** @var kDBItem $object */
	$object = $event->getObject();

	$comment_settings = 'poll_CommentDelay_Value:poll_CommentDelay_Interval';
	$spam_helper->InitHelper($object->GetDBField('PollId'), 'PollComment', $comment_settings);
	$spam_helper->AddToSpamControl();
	}
	}

	}

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