374 lines
12 KiB
PHP
374 lines
12 KiB
PHP
<?php
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/**
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* <pre>
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* Invision Power Services
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* IP.Board v3.3.4
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* Poll voting
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* Last Updated: $Date: 2012-06-12 10:14:49 -0400 (Tue, 12 Jun 2012) $
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* </pre>
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*
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* @author $Author: bfarber $
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* @copyright (c) 2001 - 2009 Invision Power Services, Inc.
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* @license http://www.invisionpower.com/company/standards.php#license
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* @package IP.Board
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* @subpackage Forums
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* @link http://www.invisionpower.com
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* @since 20th February 2002
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* @version $Revision: 10914 $
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*
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*/
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if ( ! defined( 'IN_IPB' ) )
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{
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print "<h1>Incorrect access</h1>You cannot access this file directly. If you have recently upgraded, make sure you upgraded all the relevant files.";
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exit();
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}
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class public_forums_extras_vote extends ipsCommand
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{
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/**
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* Topic data
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*
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* @var array
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*/
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public $topic = array();
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/**
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* Class entry point
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*
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* @param object Registry reference
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* @return @e void [Outputs to screen/redirects]
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*/
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public function doExecute( ipsRegistry $registry )
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{
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/* Security Check */
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if ( $this->request['secure_key'] != $this->member->form_hash )
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{
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$this->registry->output->showError( 'topic_cannot_vote', 103148, null, null, 403 );
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}
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//-----------------------------------------
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// INIT
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//-----------------------------------------
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if( !intval( $this->memberData['g_vote_polls'] ) )
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{
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$this->registry->output->showError( 'topic_cannot_vote', 10349, null, null, 403 );
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}
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$this->registry->class_localization->loadLanguageFile( array( 'public_topic' ) );
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//-----------------------------------------
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// Get data
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//-----------------------------------------
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$topic_id = intval($this->request['t']);
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//-----------------------------------------
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// Make sure we have a valid poll id
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//-----------------------------------------
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if ( ! $topic_id )
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{
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$this->registry->output->showError( 'topics_no_tid', 10350, null, null, 404 );
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}
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//-----------------------------------------
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// Load the topic and poll
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//-----------------------------------------
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$this->topic = $this->DB->buildAndFetch( array(
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'select' => 'p.pid as poll_id,p.*',
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'from' => array( 'polls' => 'p' ),
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'where' => 't.tid=' . $topic_id,
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'add_join' => array(
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array(
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'select' => 't.*',
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'from' => array( 'topics' => 't' ),
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'where' => 't.tid=p.tid',
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'type' => 'left'
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),
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array(
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'select' => 'f.allow_pollbump',
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'from' => array( 'forums' => 'f' ),
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'where' => 'f.id=t.forum_id',
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'type' => 'left'
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) )
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) );
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//-----------------------------------------
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// No topic?
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//-----------------------------------------
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if ( ! $this->topic['tid'] )
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{
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$this->registry->output->showError( 'topics_no_tid', 10351, null, null, 404 );
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}
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//-----------------------------------------
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// Locked topic?
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//-----------------------------------------
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if ( $this->topic['state'] != 'open' )
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{
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$this->registry->output->showError( 'topic_vote_locked', 10352, true, null, 403 );
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}
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//-----------------------------------------
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// Have reply permissions??
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//-----------------------------------------
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$cache = $this->registry->class_forums->forum_by_id;
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if ( $this->registry->permissions->check( 'reply', $cache[ $this->topic['forum_id'] ] ) == FALSE )
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{
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$this->registry->output->showError( 'topic_vote_noreply', 10353, null, null, 403 );
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}
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//-----------------------------------------
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// What we doing?
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//-----------------------------------------
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switch( $this->request['do'] )
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{
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default:
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case 'add':
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$this->topicAddVoteToPoll();
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break;
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case 'delete':
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$this->topicDeletePollVotes();
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break;
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}
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}
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/**
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* Add vote to poll
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*
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* @return @e void
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*/
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public function topicAddVoteToPoll()
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{
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//-----------------------------------------
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// INIT
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//-----------------------------------------
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$vote_cast = array();
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//-----------------------------------------
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// Have we voted before?
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//-----------------------------------------
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$this->DB->build( array( 'select' => 'member_id',
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'from' => 'voters',
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'where' => "tid={$this->topic['tid']} and member_id=" . $this->memberData['member_id'] ) );
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$this->DB->execute();
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if ( $this->DB->getTotalRows() )
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{
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$this->registry->output->showError( 'topic_vote_already', 10354 );
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}
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//-----------------------------------------
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// Sort out the new array
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//-----------------------------------------
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$this->request['nullvote'] = $this->request['nullvote'] ? $this->request['nullvote'] : 0 ;
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if ( !$this->request['nullvote'] )
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{
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//-----------------------------------------
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// First, which choices and ID did we choose?
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// Single option poll...
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//-----------------------------------------
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if ( is_array( $_POST['choice'] ) and count( $_POST['choice'] ) )
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{
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foreach( $_POST['choice'] as $question_id => $choice_id )
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{
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if ( ! $question_id or ! isset($choice_id) )
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{
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continue;
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}
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$vote_cast[ $question_id ][] = $choice_id;
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}
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}
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//-----------------------------------------
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// Multi vote poll
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//-----------------------------------------
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foreach( $_POST as $k => $v )
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{
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if ( preg_match( "#^choice_(\d+)_(\d+)$#", $k, $matches ) )
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{
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if ( $this->request[ $k ] == 1 )
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{
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$vote_cast[ $matches[1] ][] = $matches[2];
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}
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}
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}
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//-----------------------------------------
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// Unparse the choices
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//-----------------------------------------
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$poll_answers = unserialize( stripslashes( $this->topic['choices'] ) );
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reset($poll_answers);
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//-----------------------------------------
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// Got enough votes?
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//-----------------------------------------
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if ( count( $vote_cast ) < count( $poll_answers ) )
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{
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$this->registry->output->showError( 'topic_vote_not_enough', 10355 );
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}
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//-----------------------------------------
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// Add voter
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//-----------------------------------------
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$this->DB->insert( 'voters', array( 'member_id' => $this->memberData['member_id'],
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'ip_address' => $this->member->ip_address,
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'tid' => $this->topic['tid'],
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'forum_id' => $this->topic['forum_id'],
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'member_choices' => serialize( $vote_cast ),
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'vote_date' => time(),
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) );
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//-----------------------------------------
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// Loop
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//-----------------------------------------
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foreach ( $vote_cast as $question_id => $choice_array )
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{
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foreach( $choice_array as $choice_id )
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{
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$poll_answers[ $question_id ]['votes'][ $choice_id ]++;
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if ( $poll_answers[ $question_id ]['votes'][ $choice_id ] < 1 )
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{
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$poll_answers[ $question_id ]['votes'][ $choice_id ] = 1;
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}
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}
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}
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//-----------------------------------------
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// Save...
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//-----------------------------------------
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$this->topic['choices'] = addslashes( serialize( $poll_answers ) );
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$this->DB->update( 'polls', "votes=votes+1,choices='{$this->topic['choices']}'", "pid={$this->topic['poll_id']}", false, true );
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//-----------------------------------------
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// Go bump in the night?
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//-----------------------------------------
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if ($this->topic['allow_pollbump'])
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{
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$this->topic['last_real_post'] = $this->topic['last_real_post'] ? $this->topic['last_real_post'] : $this->topic['last_post'];
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$this->topic['last_vote'] = time();
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$this->topic['last_post'] = time();
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$this->DB->update( 'topics', array( 'last_vote' => $this->topic['last_vote'], 'last_post' => $this->topic['last_post'], 'last_real_post' => $this->topic['last_real_post'] ), 'tid=' . $this->topic['tid'] );
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}
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else
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{
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$this->topic['last_vote'] = time();
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$this->DB->update( 'topics', array( 'last_vote' => $this->topic['last_vote'], 'last_post' => $this->topic['last_post'] ), 'tid=' . $this->topic['tid'] );
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}
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}
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else
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{
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//-----------------------------------------
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// Add null vote
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//-----------------------------------------
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$this->DB->insert( 'voters', array(
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'member_id' => $this->memberData['member_id'],
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'ip_address' => $this->member->ip_address,
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'tid' => $this->topic['tid'],
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'forum_id' => $this->topic['forum_id'],
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'vote_date' => time(),
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) );
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}
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$lang = $this->request['nullvote'] ? $this->lang->words['poll_viewing_results'] : $this->lang->words['poll_vote_added'];
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$this->registry->output->redirectScreen( $lang , $this->settings['base_url'] . "showtopic={$this->topic['tid']}&st=" . $this->request['st'], $this->topic['title_seo'], 'showtopic' );
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}
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/**
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* Remove votes
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*
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* @return @e void
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*/
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public function topicDeletePollVotes()
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{
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//-----------------------------------------
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// Permissions check
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//-----------------------------------------
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if ( ! $this->settings['poll_allow_vdelete'] AND ! $this->memberData['g_is_supmod'] )
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{
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$this->registry->output->showError( 'topic_cannot_vote', 103147, null, null, 403 );
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}
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//-----------------------------------------
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// What did we vote for?
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//-----------------------------------------
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$voter = $this->DB->buildAndFetch( array( 'select' => '*',
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'from' => 'voters',
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'where' => "tid=" . $this->topic['tid'] . " and member_id=" . $this->memberData['member_id'] ) );
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if ( ! $voter )
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{
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$this->registry->output->redirectScreen( $this->lang->words['poll_vote_deleted'], $this->settings['base_url'] . "showtopic={$this->topic['tid']}&st=" . $this->request['st'], $this->topic['title_seo'], 'showtopic' );
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}
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//-----------------------------------------
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// Ok, we're here.. delete the votes
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//-----------------------------------------
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$this->DB->delete( 'voters', "tid=" . $this->topic['tid'] . " and member_id=" . $this->memberData['member_id'] );
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//-----------------------------------------
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// Remove our votes
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//-----------------------------------------
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$myVotes = unserialize( $voter['member_choices'] );
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$pollData = unserialize( stripslashes( $this->topic['choices'] ) );
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if ( is_array( $myVotes ) AND is_array( $pollData ) )
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{
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foreach( $myVotes as $_questionID => $data )
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{
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foreach( $data as $_choice )
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{
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$pollData[ $_questionID ]['votes'][ $_choice ]--;
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$pollData[ $_questionID ]['votes'][ $_choice ] = $pollData[ $_questionID ]['votes'][ $_choice ] < 0 ? 0 : $pollData[ $_questionID ]['votes'][ $_choice ];
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}
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}
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}
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//-----------------------------------------
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// Update
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//-----------------------------------------
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$update['votes'] = $this->topic['votes'] - 1;
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$update['votes'] = $update['votes'] < 0 ? 0 : $update['votes'];
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$update['choices'] = serialize( $pollData );
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$this->DB->update( 'polls', $update, "tid=" . $this->topic['tid'] );
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/* done */
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$this->registry->output->redirectScreen( $this->lang->words['poll_vote_deleted'], $this->settings['base_url'] . "showtopic={$this->topic['tid']}&st=" . $this->request['st'], $this->topic['title_seo'], 'showtopic' );
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}
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}
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