mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/AJAXPoll
synced 2024-12-18 01:30:35 +00:00
de1fa0ef27
This reverts commit bab4d43206.
Reason for revert: breaks stated, advertised LTS compatibility that end-users expect (see https://www.mediawiki.org/wiki/Social_tools/MediaWiki_compatibility) (well, technically AJAXPoll isn't really a social tool per se, but some listings include it anyway, so...)
Change-Id: Ib0c4bde7040cdbb893acb200aa053fb1280078ff
685 lines
18 KiB
PHP
685 lines
18 KiB
PHP
<?php
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use MediaWiki\MediaWikiServices;
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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
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* @author Thomas Gries
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* @maintainer Thomas Gries
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* @link https://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 $parser A parser instance, not necessarily $wgParser
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*/
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public static function onParserFirstCallInit( $parser ) {
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$parser->setHook( 'poll', [ __CLASS__, 'render' ] );
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}
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/**
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* The callback function for converting the input text to HTML output
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*
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* @param string $input
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* @param array $args
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* @param Parser $parser
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* @param PPFrame $frame
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* @return string
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*/
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public static function render( $input, $args, Parser $parser, $frame ) {
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$parser->getOutput()->updateCacheExpiry( 0 );
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$parser->addTrackingCategory( 'ajaxpoll-tracking-category' );
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$parser->getOutput()->addModules( [ 'ext.ajaxpoll' ] );
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// ID of the poll
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if ( isset( $args['id'] ) ) {
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$id = $args['id'];
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} else {
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$id = strtoupper( md5( $input ) );
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}
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// get the input
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$input = $parser->recursiveTagParse( $input, $frame );
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$input = trim( strip_tags( $input ) );
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$lines = explode( "\n", trim( $input ) );
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$dbw = wfGetDB( DB_PRIMARY );
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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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[ 'ajaxpoll_info' ],
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[ 'poll_show_results_before_voting' ],
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[ 'poll_id' => $id ],
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__METHOD__
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);
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$showResultsBeforeVoting = null;
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if ( array_key_exists( 'show-results-before-voting', $args ) ) {
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if ( strval( $args['show-results-before-voting'] ) !== '0' ) {
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$showResultsBeforeVoting = '1';
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} else {
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$showResultsBeforeVoting = '0';
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}
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}
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$readonly = MediaWikiServices::getInstance()->getReadOnlyMode()->getReason();
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if ( !$readonly ) {
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if ( $row === false ) {
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$dbw->insert(
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'ajaxpoll_info',
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[
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'poll_id' => $id,
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'poll_show_results_before_voting' => $showResultsBeforeVoting,
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'poll_txt' => $input,
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'poll_date' => $dbw->timestamp( wfTimestampNow() ),
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],
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__METHOD__,
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// @todo FIXME: This is a crappy hack to fix obviously incorrect and nonsensical
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// "Error: 1062 Duplicate entry '<whatever>' for key 'PRIMARY' (localhost)"
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// error messages, one of which I saw when literally making the very first poll
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// on a wiki, so it goes w/o saying that there can't (or at least shouldn't) be
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// any other entries in AJAXPoll's DB tables at that time.
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// All the DB queries in this method should be refactored and ideally instead
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// of insert()/update() this'd use upsert().
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// @see https://phabricator.wikimedia.org/T163625
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[ 'IGNORE' ]
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);
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} elseif ( $row->poll_show_results_before_voting !== $showResultsBeforeVoting ) {
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$dbw->update(
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'ajaxpoll_info',
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[
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'poll_show_results_before_voting' => $showResultsBeforeVoting,
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],
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[
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'poll_id' => $id,
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],
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__METHOD__
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);
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}
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}
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switch ( $lines[0] ) {
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case 'STATS':
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$ret = self::buildStats();
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break;
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default:
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if ( method_exists( $parser, 'getUserIdentity' ) ) {
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// MW 1.36+
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$user = MediaWikiServices::getInstance()
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->getUserFactory()->newFromUserIdentity( $parser->getUserIdentity() );
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} else {
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$user = $parser->getUser();
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}
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$ret = Html::rawElement( 'div',
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[
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'id' => 'ajaxpoll-container-' . $id
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],
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self::buildHTML( $id, $user, $readonly, $lines )
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);
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break;
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}
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return $ret;
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}
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private static function buildStats() {
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$dbr = wfGetDB( DB_REPLICA );
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$tab = $dbr->selectRow(
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'ajaxpoll_vote',
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[
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'votes' => 'COUNT(*)',
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'polls' => 'COUNT(DISTINCT poll_id)',
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'actors' => 'COUNT(DISTINCT poll_actor)',
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'timediff' => 'TIMEDIFF(NOW(), MAX(poll_date))'
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],
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[],
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__METHOD__
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);
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$clock = explode( ':', $tab->timediff );
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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 . ( $x > 1 ? 's' : '' );
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$tab2 = $dbr->selectRow(
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'ajaxpoll_vote',
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[ 'votes' => 'COUNT(*)' ],
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[ 'DATE_SUB(CURDATE(), INTERVAL 2 DAY) <= poll_date' ],
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__METHOD__
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);
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return "There are {$tab->polls} polls and {$tab->votes} votes given by {$tab->actors} 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->votes} votes have been given.";
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}
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/**
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* @param int $id
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* @param string $answer
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* @param User $user
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* @return bool
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*/
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public static function submitVote( $id, $answer, User $user ) {
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$readonly = MediaWikiServices::getInstance()->getReadOnlyMode()->getReason();
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if ( !$user->isAllowed( 'ajaxpoll-vote' ) || $user->isBot() ) {
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return self::buildHTML( $id, $user, $readonly );
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}
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if ( $readonly ) {
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return self::buildHTML( $id, $user, $readonly, '' );
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}
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$dbw = wfGetDB( DB_PRIMARY );
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if ( $answer != 0 ) {
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$answer = ++$answer;
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$row = $dbw->selectRow(
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'ajaxpoll_vote',
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'COUNT(*) AS count',
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[
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'poll_id' => $id,
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'poll_actor' => $user->getActorId()
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],
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__METHOD__
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);
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if ( $row->count > 0 ) {
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$pollContainerText = self::updateVote( $dbw, $id, $user, $answer );
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} else {
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$pollContainerText = self::addVote( $dbw, $id, $user, $answer );
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}
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} else { // revoking a vote
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$pollContainerText = self::revokeVote( $dbw, $id, $user );
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}
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return self::buildHTML( $id, $user, false, '', $pollContainerText );
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}
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/**
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* @todo FIXME: these three *vote() methods are kinda sucky.
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* Ideally they'd return a Status or somesuch and wouldn't take a $dbw param
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* but the param is right now needed since all methods of this class are static...
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*
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* I am not amused by having to do all sorts of weird magic to get around jenkins
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* being stupid.
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*
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* @param IDatabase $dbw Write connection to a database
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* @param string $id Poll ID
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* @param User $user User (object) who is voting
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* @param int $answer Answer option #
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* @return string Name of an i18n msg to show to the user
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*/
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public static function addVote( $dbw, $id, $user, $answer ) {
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global $wgRequest;
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$insertQuery = $dbw->insert(
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'ajaxpoll_vote',
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[
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'poll_id' => $id,
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'poll_actor' => $user->getActorId(),
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'poll_ip' => $wgRequest->getIP(),
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'poll_answer' => $answer,
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'poll_date' => $dbw->timestamp( wfTimestampNow() )
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],
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__METHOD__
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);
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return ( $insertQuery ) ? 'ajaxpoll-vote-add' : 'ajaxpoll-vote-error';
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}
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/**
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* @param IDatabase $dbw Write connection to a database
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* @param string $id Poll ID
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* @param User $user User (object) who is voting
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* @return string Name of an i18n msg to show to the user
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*/
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public static function revokeVote( $dbw, $id, $user ) {
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$deleteQuery = $dbw->delete(
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'ajaxpoll_vote',
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[
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'poll_id' => $id,
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'poll_actor' => $user->getActorId()
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],
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__METHOD__
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);
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return ( $deleteQuery ) ? 'ajaxpoll-vote-revoked' : 'ajaxpoll-vote-error';
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}
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/**
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* @param IDatabase $dbw Write connection to a database
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* @param string $id Poll ID
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* @param User $user User (object) who is voting
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* @param int $answer Answer option #
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* @return string Name of an i18n msg to show to the user
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*/
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public static function updateVote( $dbw, $id, $user, $answer ) {
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$updateQuery = $dbw->update(
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'ajaxpoll_vote',
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[
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'poll_answer' => $answer,
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'poll_date' => $dbw->timestamp( wfTimestampNow() )
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],
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[
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'poll_id' => $id,
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'poll_actor' => $user->getActorId()
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],
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__METHOD__
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);
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return ( $updateQuery ) ? 'ajaxpoll-vote-update' : 'ajaxpoll-vote-error';
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}
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private static function escapeContent( $string ) {
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return htmlspecialchars( Sanitizer::decodeCharReferences( $string ), ENT_QUOTES );
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}
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private static function buildHTML( $id, $user, $readonly, $lines = '', $extra_from_ajax = '' ) {
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global $wgTitle, $wgLang;
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$dbr = wfGetDB( DB_REPLICA );
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$row = $dbr->selectRow(
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'ajaxpoll_info',
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[ 'poll_txt', 'poll_date', 'poll_show_results_before_voting' ],
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[ 'poll_id' => $id ],
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__METHOD__
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);
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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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if ( $row->poll_show_results_before_voting !== null ) {
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$showResultsBeforeVoting = ( $row->poll_show_results_before_voting === '1' );
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} else {
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$showResultsBeforeVoting = $user->isAllowed( 'ajaxpoll-view-results-before-vote' );
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}
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$start_date = $row->poll_date;
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$q = $dbr->select(
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'ajaxpoll_vote',
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[ 'poll_answer', 'count' => 'COUNT(*)' ],
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[ 'poll_id' => $id ],
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__METHOD__,
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[ 'GROUP BY' => 'poll_answer' ]
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);
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$poll_result = [];
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foreach ( $q as $row ) {
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$poll_result[$row->poll_answer] = $row->count;
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}
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$amountOfVotes = array_sum( $poll_result );
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// Did we vote?
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$userVoted = false;
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$row = $dbr->selectRow(
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'ajaxpoll_vote',
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[ 'poll_answer', 'poll_date' ],
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[
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'poll_id' => $id,
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'poll_actor' => $user->getActorId()
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],
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__METHOD__
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);
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if ( $row ) {
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$ts = wfTimestamp( TS_MW, $row->poll_date );
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$ourLastVoteDate = wfMessage(
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'ajaxpoll-your-vote',
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$lines[$row->poll_answer - 1],
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$wgLang->timeanddate( $ts, true /* adjust? */ ),
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$wgLang->date( $ts, true /* adjust? */ ),
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$wgLang->time( $ts, true /* adjust? */ )
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)->escaped();
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$userVoted = true;
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}
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$ret = '';
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if ( is_object( $wgTitle ) ) {
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if ( !empty( $extra_from_ajax ) ) {
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$style = 'display:inline-block';
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$ajaxMessage = wfMessage( $extra_from_ajax )->escaped();
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} else {
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$style = 'display:none';
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$ajaxMessage = '';
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}
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$ret = Html::openElement( 'div',
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[
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'id' => 'ajaxpoll-id-' . $id,
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'class' => 'ajaxpoll'
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]
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);
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$ret .= Html::element( 'div',
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[
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'id' => 'ajaxpoll-ajax-' . $id,
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'class' => 'ajaxpoll-ajax',
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'style' => $style
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],
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$ajaxMessage
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);
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$ret .= Html::rawElement( 'div',
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[ 'class' => 'ajaxpoll-question' ],
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self::escapeContent( $lines[0] )
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);
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// Different messages depending whether the user has already voted
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// or has not voted, or is entitled to vote
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$canRevoke = false;
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if ( $user->isAllowed( 'ajaxpoll-vote' ) ) {
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if ( isset( $row->poll_answer ) ) {
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$message = $ourLastVoteDate;
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$canRevoke = true;
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$lines[] = wfMessage( 'ajaxpoll-revoke-vote' )->text();
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} else {
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if ( $showResultsBeforeVoting ) {
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$message = wfMessage( 'ajaxpoll-no-vote' )->text();
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} else {
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$message = wfMessage( 'ajaxpoll-no-vote-results-after-voting' )->text();
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}
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}
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} else {
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$message = wfMessage( 'ajaxpoll-vote-permission' )->text();
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}
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if ( !$user->isAllowed( 'ajaxpoll-view-results' ) ) {
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$message .= '<br/>' . wfMessage( 'ajaxpoll-view-results-permission' )->text();
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} elseif ( !$userVoted
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&& !$user->isAllowed( 'ajaxpoll-view-results-before-vote' )
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&& !$showResultsBeforeVoting
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) {
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if ( $user->isAllowed( 'ajaxpoll-vote' ) ) {
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$message .= '<br/>' . wfMessage( 'ajaxpoll-view-results-before-vote-permission' )->text();
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} else {
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$message .= '<br/>' . wfMessage( 'ajaxpoll-view-results-permission' )->text();
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}
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}
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$ret .= Html::rawElement( 'div',
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[ 'class' => 'ajaxpoll-misc' ],
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$message
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);
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$ret .= Html::rawElement( 'form',
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[
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'method' => 'post',
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'action' => $wgTitle->getLocalURL(),
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'id' => 'ajaxpoll-answer-id-' . $id
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],
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Html::element( 'input',
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[
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'type' => 'hidden',
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'name' => 'ajaxpoll-post-id',
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'value' => $id
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]
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)
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);
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$linesCount = count( $lines );
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for ( $i = 1; $i < $linesCount; $i++ ) {
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$vote = !( $canRevoke && ( $i == $linesCount - 1 ) );
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// answers are counted from 1 ... n
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// last answer is pseudo-answer for "I want to revoke vote"
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// and becomes answer number 0
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$answer = ( $vote ) ? $i : 0;
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$xid = $id . '-' . $answer;
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if ( ( $amountOfVotes !== 0 ) && ( isset( $poll_result[$i + 1] ) ) ) {
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$pollResult = $poll_result[$i + 1];
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$percent = round( $pollResult * 100 / $amountOfVotes, 2 );
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} else {
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$pollResult = 0;
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$percent = 0;
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}
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$border = ( $percent == 0 ) ? ' border:0;' : '';
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$isOurVote = ( isset( $row->poll_answer ) && ( $row->poll_answer - 1 == $i ) );
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$resultBar = '';
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if (
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$user->isAllowed( 'ajaxpoll-view-results' ) &&
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( $showResultsBeforeVoting || ( !$showResultsBeforeVoting && $userVoted ) ) &&
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$vote
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) {
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$resultBar = Html::rawElement( 'div',
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[
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'class' => 'ajaxpoll-answer-vote' . ( $isOurVote ? ' ajaxpoll-our-vote' : '' )
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],
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Html::rawElement( 'span',
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[
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'title' => wfMessage( 'ajaxpoll-percent-votes' )->numParams( $percent )->escaped()
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],
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self::escapeContent( $pollResult )
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) .
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Html::element( 'div',
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[
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'style' => 'width:' . $percent . '%;' . $border
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]
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)
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);
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}
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if ( !$readonly && $user->isAllowed( 'ajaxpoll-vote' ) ) {
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$ret .= Html::rawElement( 'div',
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[
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'id' => 'ajaxpoll-answer-' . $xid,
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'class' => 'ajaxpoll-answer',
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'poll' => $id,
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'answer' => $answer,
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],
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Html::rawElement( 'div',
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[
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'class' => 'ajaxpoll-answer-name' . ( $vote ? ' ajaxpoll-answer-name-revoke' : '' )
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],
|
|
Html::rawElement( 'label',
|
|
[ 'for' => 'ajaxpoll-post-answer-' . $xid ],
|
|
Html::element( 'input',
|
|
[
|
|
'type' => 'radio',
|
|
'id' => 'ajaxpoll-post-answer-' . $xid,
|
|
'name' => 'ajaxpoll-post-answer-' . $id,
|
|
'value' => $answer,
|
|
'checked' => $isOurVote ? 'true' : false,
|
|
]
|
|
) .
|
|
self::escapeContent( $lines[$i] )
|
|
)
|
|
) .
|
|
$resultBar
|
|
);
|
|
} else {
|
|
if ( !$user->isAllowed( 'ajaxpoll-vote' ) ) {
|
|
$disabledReason = wfMessage( 'ajaxpoll-vote-permission' )->escaped();
|
|
} else {
|
|
$disabledReason = wfMessage( 'ajaxpoll-readonly', $readonly )->escaped();
|
|
}
|
|
|
|
$ret .= Html::rawElement( 'div',
|
|
[
|
|
'id' => 'ajaxpoll-answer-' . $xid,
|
|
'class' => 'ajaxpoll-answer',
|
|
'poll' => $id,
|
|
'answer' => $answer
|
|
],
|
|
Html::rawElement( 'div',
|
|
[
|
|
'class' => 'ajaxpoll-answer-name'
|
|
],
|
|
Html::rawElement( 'label',
|
|
[
|
|
'for' => 'ajaxpoll-post-answer-' . $xid,
|
|
'id' => 'ajaxpoll-label-disabled',
|
|
'title' => $disabledReason
|
|
],
|
|
Html::element( 'input',
|
|
[
|
|
'disabled' => 'disabled',
|
|
'type' => 'radio',
|
|
'id' => 'ajaxpoll-post-answer-' . $xid,
|
|
'name' => 'ajaxpoll-post-answer-' . $id,
|
|
'value' => $answer
|
|
]
|
|
) .
|
|
self::escapeContent( $lines[$i] )
|
|
)
|
|
) .
|
|
$resultBar
|
|
);
|
|
}
|
|
}
|
|
|
|
$ret .= Xml::closeElement( 'form' );
|
|
|
|
// Display information about the poll (creation date, amount of votes)
|
|
$pollSummary = wfMessage(
|
|
'ajaxpoll-info',
|
|
$amountOfVotes, // amount of votes
|
|
$wgLang->timeanddate( wfTimestamp( TS_MW, $start_date ), true /* adjust? */ )
|
|
)->text();
|
|
|
|
$ret .= Html::rawElement( 'div',
|
|
[
|
|
'id' => 'ajaxpoll-info-' . $id,
|
|
'class' => 'ajaxpoll-info'
|
|
],
|
|
self::escapeContent( $pollSummary ) .
|
|
// @todo Just why are we exposing this in the UI, again?
|
|
// It's ugly and unnecessary even though technically hidden by CSS.
|
|
Html::element( 'div',
|
|
[ 'class' => 'ajaxpoll-id-info' ],
|
|
'poll-id ' . $id
|
|
)
|
|
);
|
|
|
|
$ret .= Html::closeElement( 'div' ) .
|
|
Html::element( 'br' );
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Adds the two new required database tables into the database when the
|
|
* end-user (sysadmin) runs /maintenance/update.php
|
|
* (the core database updater script) and performs other DB updates, such as
|
|
* the renaming of tables, if upgrading from an older version of this extension.
|
|
*
|
|
* @param DatabaseUpdater $updater
|
|
*/
|
|
public static function onLoadExtensionSchemaUpdates( $updater ) {
|
|
$db = $updater->getDB();
|
|
|
|
$patchPath = __DIR__ . '/../sql/';
|
|
if ( $db->getType() == 'postgres' ) {
|
|
$patchPath .= 'postgres/';
|
|
}
|
|
|
|
if ( $db->tableExists( 'poll_info' ) ) {
|
|
# poll_info.poll_title field was dropped in AJAXPoll version 1.72
|
|
$updater->dropExtensionField(
|
|
'poll_info',
|
|
'poll_title',
|
|
$patchPath . 'drop-field--poll_info-poll_title.sql'
|
|
);
|
|
$updater->addExtensionTable(
|
|
'ajaxpoll_info',
|
|
$patchPath . 'rename-table--poll_info.sql'
|
|
);
|
|
} else {
|
|
$updater->addExtensionTable(
|
|
'ajaxpoll_info',
|
|
$patchPath . 'create-table--ajaxpoll_info.sql'
|
|
);
|
|
}
|
|
|
|
if ( $db->tableExists( 'ajaxpoll_info' ) ) {
|
|
$updater->addExtensionField(
|
|
'ajaxpoll_info',
|
|
'poll_show_results_before_voting',
|
|
$patchPath . 'add-field--ajaxpoll_info-poll_show_results_before_voting.sql'
|
|
);
|
|
}
|
|
|
|
if ( $db->tableExists( 'poll_vote' ) ) {
|
|
$updater->addExtensionTable(
|
|
'poll_vote',
|
|
$patchPath . 'rename-table--poll_vote.sql'
|
|
);
|
|
} else {
|
|
$updater->addExtensionTable(
|
|
'ajaxpoll_vote',
|
|
$patchPath . 'create-table--ajaxpoll_vote.sql'
|
|
);
|
|
}
|
|
|
|
// Actor support
|
|
|
|
// 1) add new actor column
|
|
$updater->addExtensionField(
|
|
'ajaxpoll_vote',
|
|
'poll_actor',
|
|
$patchPath . 'add-field-ajaxpoll_vote-poll_actor.sql'
|
|
);
|
|
|
|
// 2) do magic
|
|
// This includes, but is not limited to, changing the PRIMARY KEY,
|
|
// adding a new, UNIQUE INDEX on a new AUTO_INCREMENT field (which the
|
|
// script also creates) and, of course, finally the new column is populated
|
|
// with data.
|
|
// PITFALL WARNING! Do NOT change this to $updater->runMaintenance,
|
|
// THEY ARE NOT THE SAME THING and this MUST be using addExtensionUpdate
|
|
// instead for the code to work as desired!
|
|
// HT Skizzerz
|
|
$updater->addExtensionUpdate( [
|
|
'runMaintenance',
|
|
'MigrateOldAJAXPollUserColumnsToActor',
|
|
'../maintenance/migrateOldAJAXPollUserColumnsToActor.php'
|
|
] );
|
|
|
|
// 3) drop the now unused column
|
|
$updater->dropExtensionField(
|
|
'ajaxpoll_vote',
|
|
'poll_user',
|
|
$patchPath . 'drop-field-poll_user-ajaxpoll_vote.sql'
|
|
);
|
|
}
|
|
}
|