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Created: Tue, May 20, 5:11 AM

poll_tp.php
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	<?php
	/**
	* @version $Id: poll_tp.php 13665 2010-06-01 07:12:48Z 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 PollTagProcessor extends kDBTagProcessor {

	/**
	* Allows to tell if user from current ip has voted already for current poll
	*
	* @param Array $params
	* @return bool
	*/
	function HasVoted($params)
	{
	$object =& $this->getObject($params);
	/* @var $object kDBItem */

	if (!$object->GetDBField('AllowMultipleVotings')) {
	$sql = 'SELECT StatisticsId
	FROM '.TABLE_PREFIX.'PollsStatistics
	WHERE PollId = '.$object->GetID().' AND CreatedById = '.$this->Application->RecallVar('user_id').' AND UserIP = '.$this->Conn->qstr(getenv('REMOTE_ADDR'));
	return $this->Conn->GetOne($sql) > 0;
	}

	return false;
	}

	/**
	* Allows to tell if user from current ip has voted already for current poll
	*
	* @param Array $params
	* @return bool
	*/
	function HasCommented($params)
	{
	$object =& $this->getObject($params);
	/* @var $object kDBItem */

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

	$spam_helper->InitHelper($object->GetID(), 'PollComment', 0); // PollId used for SpamControl only

	return $spam_helper->InSpamControl();
	}

	/**
	* Prints out only filled in answers of current poll
	*
	* @param Array $params
	* @return string
	*/
	function PrintPoll($params)
	{
	$object =& $this->getObject($params);

	$sql = 'SELECT COUNT(AnswerNum), AnswerNum
	FROM '.TABLE_PREFIX.'PollsStatistics
	WHERE PollId = '.$object->GetID().'
	GROUP BY AnswerNum';
	$statistics = $this->Conn->GetCol($sql, 'AnswerNum');

	$total_votes = array_sum($statistics);

	$block_params = $this->prepareTagParams($params);
	$block_params['name'] = $params['render_as'];

	$i = 1;
	$ret = '';
	while ($i < 8) {
	$answer = $object->GetDBField('Answer'.$i);
	if ($answer) {
	$answer_votes = isset($statistics[$i]) ? $statistics[$i] : 0;
	if ($total_votes > 0) {
	$block_params['percent'] = round((100 * $answer_votes) / $total_votes, 0);
	}
	else {
	$block_params['percent'] = 0;
	}

	$block_params['answer'] = $answer;
	$block_params['answer_num'] = $i;

	$ret .= $this->Application->ParseBlock($block_params);
	}
	$i++;
	}

	return $ret;
	}

	/**
	* Prints link to comments of of current poll
	*
	* @param Array $params
	* @return string
	*/
	function CommentsLink($params)
	{
	$object =& $this->getObject($params);

	$params['pass'] = 'm,poll';
	$params['poll_id'] = $object->GetID();

	return $this->Application->ProcessParsedTag('m', 'Link', $params);
	}
	}

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