mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/AJAXPoll
synced 2024-11-15 11:11:37 +00:00
358 lines
9.7 KiB
PHP
358 lines
9.7 KiB
PHP
<?php
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/**
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* AJAX Poll class
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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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* @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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* @author Thomas Gries
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* @maintainer Thomas Gries
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* @version 1.61
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* @link http://www.mediawiki.org/wiki/Extension:AJAX_Poll Documentation
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*/
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class AJAXPoll {
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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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static function AJAXPollParserInit( $parser ) {
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$parser->setHook( 'poll', array( __CLASS__, 'AJAXPollRender' ) );
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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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static function AJAXPollRender( $input ) {
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global $wgParser, $wgUser, $wgOut, $wgTitle, $wgScriptPath,
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$wgAJAXPollTrackingCategory;
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$wgParser->disableCache();
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if ( $wgAJAXPollTrackingCategory === true ) {
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$wgParser->addTrackingCategory( 'ajaxpoll-tracking-category' );
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} elseif ( is_string( $wgAJAXPollTrackingCategory ) ) {
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$wgParser->addTrackingCategory( $wgAJAXPollTrackingCategory );
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}
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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['ajaxpoll-post-id'] ) && isset( $_POST['ajaxpoll-post-answer'] ) && $_POST['ajaxpoll-post-id'] == $ID ) {
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AJAXPoll::submitVote( $_POST['ajaxpoll-post-id'], intval( $_POST['ajaxpoll-post-answer'] ) );
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}*/
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$dbw = wfGetDB( DB_MASTER );
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$dbw->begin( __METHOD__ );
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/**
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* Register poll in the database
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*/
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$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( __METHOD__ );
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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 = AJAXPoll::buildStats( $ID, $user );
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break;
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default:
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$retVal = '
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<div id="ajaxpoll-container-' . $ID . '">' . AJAXPoll::buildHTML( $ID, $user, $lines ) . '</div>';
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break;
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}
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return $retVal;
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}
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private static 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 />
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The last vote has been given $clockago ago.<br/>
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During the last 48 hours, $tab2[0] votes have been given.";
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}
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public static function submitVote( $ID, $answer ) {
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global $wgUser,$wgOut;
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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 AJAXPoll::buildHTML( $ID, $user );
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}
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$answer = ++$answer;
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$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' => $user
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),
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__METHOD__
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);
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$row = $dbw->fetchRow( $q );
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if ( $row['c'] > 0 ) {
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$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' => $user
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),
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__METHOD__
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);
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$dbw->commit();
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$pollContainerText = ( $updateQuery ) ? 'ajaxpoll-vote-update' : 'ajaxpoll-vote-error';
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} else {
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$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' => $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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$pollContainerText = ( $insertQuery ) ? 'ajaxpoll-vote-add' : 'ajaxpoll-vote-error';
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}
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return AJAXPoll::buildHTML( $ID, $user, '', $pollContainerText );
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}
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private static 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' => $ID ),
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__METHOD__
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);
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$row = $dbw->fetchRow( $q );
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if ( empty( $lines ) ) {
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$lines = explode( "\n", trim( $row['poll_txt'] ) );
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}
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$start_date = $row['poll_date'];
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$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 ( $row = $q->fetchRow() ) {
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$poll_result[$row[0]] = $row[1];
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}
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$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' => $user
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),
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__METHOD__
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);
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if ( $row = $dbw->fetchRow( $q ) ) {
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$ourLastVoteDate = wfMsg(
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'ajaxpoll-your-vote',
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$lines[$row[0] - 1],
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$wgLang->timeanddate( wfTimestamp( TS_MW, $row[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( $extra_from_ajax ) ) {
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$attributes = ' style="display:block;"';
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$ajaxMessage = wfMsg( $extra_from_ajax );
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} else {
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$attributes = ' style="display:none;"';
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$ajaxMessage = '';
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}
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// HTML output has to be on one line thanks to a MediaWiki bug
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// @see https://bugzilla.wikimedia.org/show_bug.cgi?id=1319
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$ret = '<div id="ajaxpoll-id-' . $ID . '" class="ajaxpoll">
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<div id="ajaxpoll-ajax-' . $ID . '" class="ajaxpoll-ajax"' . $attributes . '>' . $ajaxMessage . '</div>
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<script>var tmp;
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function mover(x){
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var sp=$(x).find("span");
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tmp=sp.html();
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sp.text(sp.attr("title"));
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sp.attr("title","");
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}
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function mout(x){
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var sp=$(x).find("span");
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sp.attr("title",sp.text());
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sp.text(tmp);
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}
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</script>
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<div class="ajaxpoll-question">' . strip_tags( $lines[0] ) . '</div>';
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// Different message depending on if the user has already voted or not.
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$message = ( isset( $row[0] ) ) ? $ourLastVoteDate : wfMsg( 'ajaxpoll-no-vote' );
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$ret .= '<div class="ajaxpoll-misc">' . $message . '
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</div>';
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$ret .= '<form method="post" action="' . $wgTitle->getLocalURL() .
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'" id="ajaxpoll-answer-id-' . $ID . '"><input type="hidden" name="ajaxpoll-post-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 / $amountOfVotes, 2 ) );
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}
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$our = ( isset( $row[0] ) && ( $row[0] - 1 == $i ) );
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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(\"AJAXPoll::submitVote\",[\"" . $ID . "\",\"" . $i . "\"], $(\"#ajaxpoll-container-" . $ID . "\")[0]);";
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} else {
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$submitJS = "$(\"#ajaxpoll-answer-id-" . $ID . "\").submit();";
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}
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// HTML output has to be on one line thanks to a MediaWiki bug
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// @see https://bugzilla.wikimedia.org/show_bug.cgi?id=1319
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$ret .= "
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<div id='ajaxpoll-answer-" . $ans_no . "' class='ajaxpoll-answer'><div class='ajaxpoll-answer-name'><label for='ajaxpoll-answer-radio-" . $ans_no . "' onclick='$(\"#ajaxpoll-ajax-" . $ID . "\").html(\"" . wfMsg( 'ajaxpoll-submitting' ) . "\");$(\"#ajaxpoll-ajax-" . $ID . "\").css(\"display\",\"block\");$(this).addClass(\"ajaxpoll-checkevent\").prop(\"checked\",true); " . $submitJS . "'><input type='radio' id='ajaxpoll-post-answer-" . $ans_no . "' name='ajaxpoll-post-answer' value='" . $i . "'" . ( $our ? 'checked=true ' : '' ) . "/>" . strip_tags( $lines[$i] ) .
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"</label></div><div class='ajaxpoll-answer-vote" . ( $our ? ' ajaxpoll-our-vote' : '' ) ."' onmouseover='mover(this)' onmouseout='mout(this);'><span title='" . wfMsg( 'ajaxpoll-percent-votes', sprintf( $percent ) ) . "'>" . ( ( isset( $poll_result ) && !empty( $poll_result[$i + 1] ) ) ? $poll_result[$i + 1] : 0 ) . "</span><div style='width: " . $percent . "%;" . ( $percent == 0 ? ' border:0;' : '' ) . "'></div></div>
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</div>
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";
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}
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$ret .= '</form>';
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// Display information about the poll (creation date, amount of votes)
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$pollSummary = wfMsgExt(
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'ajaxpoll-info',
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'parsemag', // parse PLURAL
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$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="ajaxpoll-info-' . $ID . '" class="ajaxpoll-info">' . $pollSummary . '</div>';
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$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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}
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} /* class AJAXPoll */
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