mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/AJAXPoll
synced 2024-11-15 11:11:37 +00:00
375 lines
9.6 KiB
PHP
375 lines
9.6 KiB
PHP
<?php
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/**
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* AJAX Poll extension for MediaWiki
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* Created by Dariusz Siedlecki, based on the work by Eric David.
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* Licensed under the GFDL.
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*
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* <poll>
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* [Option]
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* Question
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* Answer 1
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* Answer 2
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* ...
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* Answer n
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* </poll>
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*
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* @file
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* @ingroup Extensions
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* @author Dariusz Siedlecki <datrio@gmail.com>
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* @author Jack Phoenix <jack@countervandalism.net>
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* @version 1.4.1
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* @link http://www.mediawiki.org/wiki/Extension:AJAX_Poll Documentation
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*/
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if( !defined( 'MEDIAWIKI' ) ) {
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die( "This is not a valid entry point.\n" );
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}
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// Extension credits that will show up on Special:Version
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$wgExtensionCredits['parserhook'][] = array(
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'path' => __FILE__,
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'name' => 'AJAX Poll',
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'version' => '1.4.1',
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'author' => array( 'Dariusz Siedlecki', 'Jack Phoenix' ),
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'description' => 'Allows AJAX-based polls with <tt><poll></tt> tag',
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'url' => 'https://www.mediawiki.org/wiki/Extension:AJAX_Poll',
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);
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// Internationalization + AJAX function
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$dir = dirname( __FILE__ ) . '/';
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$wgExtensionMessagesFiles['AJAXPoll'] = $dir . 'AJAXPoll.i18n.php';
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$wgAjaxExportList[] = 'submitVote';
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$wgHooks['ParserFirstCallInit'][] = 'wfPoll';
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/**
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* Register <poll> tag with the parser
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*
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* @param $parser Object: instance of Parser (not necessarily $wgParser)
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* @return Boolean: true
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*/
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function wfPoll( &$parser ) {
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$parser->setHook( 'poll', 'renderPoll' );
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return true;
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}
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# The callback function for converting the input text to HTML output
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function renderPoll( $input ) {
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global $wgParser, $wgUser, $wgOut, $wgTitle, $wgScriptPath;
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$wgParser->disableCache();
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if ( $wgUser->getName() == '' ) {
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$user = wfGetIP();
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} else {
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$user = $wgUser->getName();
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}
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// ID of the poll
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$ID = strtoupper( md5( $input ) );
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$par = new Parser();
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$input = $par->parse( $input, $wgTitle, $wgOut->parserOptions() );
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$input = trim( strip_tags( $input->getText() ) );
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$lines = explode( "\n", trim( $input ) );
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// Deprecating AJAX
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/*if ( isset( $_POST['p_id'] ) && isset( $_POST['p_answer'] ) && $_POST['p_id'] == $ID ) {
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submitVote( $_POST['p_id'], intval( $_POST['p_answer'] ) );
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}*/
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$dbw = wfGetDB( DB_MASTER );
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$dbw->begin();
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/**
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* Register poll in the database
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*/
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$row = $dbw->selectRow(
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array( 'poll_info' ),
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array( 'COUNT(poll_id) AS count' ),
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array( 'poll_id' => $ID ),
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__METHOD__
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);
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if( empty( $row->count ) ) {
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$dbw->insert(
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'poll_info',
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array(
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'poll_id' => $ID,
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'poll_txt' => $input,
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'poll_date' => wfTimestampNow(),
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'poll_title' => $wgParser->mTitle->getText()
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),
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__METHOD__
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);
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}
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$dbw->commit();
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// Add CSS
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$wgOut->addExtensionStyle( $wgScriptPath . '/extensions/AJAXPoll/AJAXPoll.css' );
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switch( $lines[0] ) {
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case 'STATS':
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$retVal = buildStats( $ID, $user );
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break;
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default:
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$retVal = '<div id="pollContainer' . $ID . '">' .
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buildHTML( $ID, $user, $lines ) .
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'</div>';
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break;
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}
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return $retVal;
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}
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function buildStats( $ID, $user ) {
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$dbw = wfGetDB( DB_MASTER );
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$res = $dbw->select(
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'poll_vote',
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array(
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'COUNT(*)',
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'COUNT(DISTINCT poll_id)',
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'COUNT(DISTINCT poll_user)',
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'TIMEDIFF(NOW(), MAX(poll_date))'
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),
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array(),
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__METHOD__
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);
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$tab = $dbw->fetchRow( $res );
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$clock = explode( ':', $tab[3] );
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if ( $clock[0] == '00' && $clock[1] == '00' ) {
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$x = $clock[2];
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$y = 'second';
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} elseif( $clock[0] == '00' ) {
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$x = $clock[1];
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$y = 'minute';
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} else {
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if ( $clock[0] < 24 ) {
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$x = $clock[0];
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$y = 'hour';
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} else {
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$x = floor( $hr / 24 );
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$y = 'day';
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}
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}
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$clockago = $x . ' ' . $y . ( $x > 1 ? 's' : '' );
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$res = $dbw->select(
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'poll_vote',
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'COUNT(*)',
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array( 'DATE_SUB(CURDATE(), INTERVAL 2 DAY) <= poll_date' ),
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__METHOD__
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);
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$tab2 = $dbw->fetchRow( $res );
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return "There are $tab[1] polls and $tab[0] votes given by $tab[2] different people.<br />The last vote has been given $clockago ago.<br/>During the last 48 hours, $tab2[0] votes have been given.";
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}
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function submitVote( $ID, $answer ) {
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global $wgUser;
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$dbw = wfGetDB( DB_MASTER );
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if ( $wgUser->getName() == '' ) {
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$user = wfGetIP();
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} else {
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$user = $wgUser->getName();
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}
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if ( $wgUser->isAllowed( 'bot' ) ) {
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return buildHTML( $ID, $user );
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}
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$answer = $dbw->strencode( ++$answer );
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$q = $dbw->select(
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'poll_vote',
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'COUNT(*) AS c',
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array(
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'poll_id' => $ID,
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'poll_user' => $dbw->addQuotes( $user )
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),
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__METHOD__
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);
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$r = $dbw->fetchRow( $q );
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if ( $r['c'] > 0 ) {
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$updateQuery = $dbw->update(
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'poll_vote',
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array(
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"poll_answer='{$answer}'",
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'poll_date' => wfTimestampNow()
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),
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array(
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'poll_id' => $ID,
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'poll_user' => $dbw->addQuotes( $user )
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),
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__METHOD__
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);
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$dbw->commit();
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if ( $updateQuery ) {
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return buildHTML( $ID, $user, '', 'poll-vote-update' );
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} else {
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return buildHTML( $ID, $user, '', 'poll-vote-error' );
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}
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} else {
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$insertQuery = $dbw->insert(
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'poll_vote',
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array(
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'poll_id' => $ID,
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'poll_user' => $dbw->addQuotes( $user ),
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'poll_ip' => wfGetIP(),
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'poll_answer' => $answer,
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'poll_date' => wfTimestampNow()
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),
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__METHOD__
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);
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$dbw->commit();
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if ( $insertQuery ) {
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return buildHTML( $ID, $user, '', 'poll-vote-add' );
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} else {
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return buildHTML( $ID, $user, '', 'poll-vote-error' );
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}
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}
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}
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function buildHTML( $ID, $user, $lines = '', $extra_from_ajax = '' ) {
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global $wgTitle, $wgLang, $wgUseAjax;
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$dbw = wfGetDB( DB_SLAVE );
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$q = $dbw->select(
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'poll_info',
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array( 'poll_txt', 'poll_date' ),
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array( 'poll_id' => $ID ),
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__METHOD__
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);
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$r = $dbw->fetchRow( $q );
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if ( empty( $lines ) ) {
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$lines = explode( "\n", trim( $r['poll_txt'] ) );
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}
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$start_date = $r['poll_date'];
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$q = $dbw->select(
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'poll_vote',
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array( 'poll_answer', 'COUNT(*)' ),
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array( 'poll_id' => $ID ),
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__METHOD__,
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array( 'GROUP BY' => 'poll_answer' )
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);
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$poll_result = array();
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while ( $r = $q->fetchRow() ) {
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$poll_result[$r[0]] = $r[1];
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}
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$amountOfVotes = array_sum( $poll_result );
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// Did we vote?
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$q = $dbw->select(
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'poll_vote',
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array( 'poll_answer', 'poll_date' ),
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array(
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'poll_id' => $ID,
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'poll_user' => $dbw->addQuotes( $user )
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),
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__METHOD__
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);
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if ( $r = $dbw->fetchRow( $q ) ) {
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$tmp_date = wfMsg(
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'poll-your-vote',
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$lines[$r[0] - 1],
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$wgLang->timeanddate( wfTimestamp( TS_MW, $r[1] ), true /* adjust? */ )
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);
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}
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if ( is_object( $wgTitle ) ) {
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if( !empty( $extra_from_ajax ) ) {
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$additionalAttributes = ' style="display: block;"';
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$message = wfMsg( $extra_from_ajax );
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} else {
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$additionalAttributes = '';
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$message = '';
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}
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// HTML output has to be on one line thanks to a MediaWiki bug
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// @see https://bugzilla.wikimedia.org/show_bug.cgi?id=1319
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$ret = '<div id="pollId' . $ID . '" class="poll"><div class="pollAjax" id="pollAjax' . $ID . '"' .
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$additionalAttributes . '>' . $message .
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'</div><div class="pollQuestion">' . strip_tags( $lines[0] ) . '</div>';
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// Different message depending on if the user has already voted or not.
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if ( isset( $r[0] ) ) {
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$ret .= '<div class="pollMisc">' . $tmp_date . '</div>';
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} else {
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$ret .= '<div class="pollMisc">' . wfMsg( 'poll-no-vote' ) . '</div>';
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}
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$ret .= '<form method="post" action="' . $wgTitle->getLocalURL() .
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'" id="pollIdAnswer' . $ID . '"><input type="hidden" name="p_id" value="' . $ID . '" />';
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for ( $i = 1; $i < count( $lines ); $i++ ) {
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$ans_no = $i - 1;
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if ( $amountOfVotes == 0 ) {
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$percent = 0;
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} else {
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$percent = $wgLang->formatNum( round( ( isset( $poll_result[$i + 1] ) ? $poll_result[$i + 1] : 0 ) * 100 / $amountOfVotes, 2 ) );
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}
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if ( isset( $r[0] ) && $r[0] == $i ) {
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$our = true;
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} else {
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$our = false;
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}
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// If AJAX is enabled, as it is by default in modern MWs, we can
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// just use sajax library function here for that AJAX-y feel.
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// If not, we'll have to submit the form old-school way...
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if ( $wgUseAjax ) {
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$submitJS = "sajax_do_call(\"submitVote\", [\"" . $ID . "\", \"" . $i . "\"], document.getElementById(\"pollContainer" . $ID . "\"));";
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} else {
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$submitJS = "document.getElementById(\"pollIdAnswer" . $ID . "\").submit();";
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}
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// HTML output has to be on one line thanks to a MediaWiki bug
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// @see https://bugzilla.wikimedia.org/show_bug.cgi?id=1319
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$ret .= "<div class='pollAnswer' id='pollAnswer" . $ans_no .
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"'><div class='pollAnswerName'><label for='pollAnswerRadio" .
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$ans_no . "' onclick='document.getElementById(\"pollAjax" .
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$ID . "\").innerHTML=\"" . wfMsg( 'poll-submitting' ) .
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"\"; document.getElementById(\"pollAjax" . $ID .
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"\").style.display=\"block\"; this.getElementsByTagName(\"input\")[0].checked = true; " .
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$submitJS . "'><input type='radio' id='p_answer" . $ans_no .
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"' name='p_answer' value='" . $i . "' />" .
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strip_tags( $lines[$i] ) .
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"</label></div> <div class='pollAnswerVotes" . ( $our ? ' ourVote' : '' ) .
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"' onmouseover='span=this.getElementsByTagName(\"span\")[0];tmpPollVar=span.innerHTML;span.innerHTML=span.title;span.title=\"\";' onmouseout='span=this.getElementsByTagName(\"span\")[0];span.title=span.innerHTML;span.innerHTML=tmpPollVar;'><span title='" .
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wfMsg( 'poll-percent-votes', sprintf( $percent ) ) . "'>" .
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( ( isset( $poll_result ) && !empty( $poll_result[$i + 1] ) ) ? $poll_result[$i + 1] : 0 ) .
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"</span><div style='width: " . $percent . "%;" . ( $percent == 0 ? ' border:0;' : '' ) . "'></div></div></div>";
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}
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$ret .= '</form>';
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// Display information about the poll (creation date, amount of votes)
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$tmp_date = wfMsgExt(
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'poll-info',
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'parsemag', // parse PLURAL
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$amountOfVotes, // amount of votes
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$wgLang->timeanddate( wfTimestamp( TS_MW, $start_date ), true /* adjust? */ )
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);
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$ret .= '<div id="pollInfo">' . $tmp_date . '</div>';
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$ret .= '</div>';
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} else {
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$ret = '';
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}
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return $ret;
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} |