121 lines
3.4 KiB
PHP
121 lines
3.4 KiB
PHP
<?php
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/**
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* Comments of the Day parser hook -- shows the five newest comments that have
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* been sent within the last 24 hours.
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*
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* @file
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* @ingroup Extensions
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* @date 27 November 2015
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*/
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class CommentsOfTheDay {
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/**
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* Register the new <commentsoftheday /> parser hook with the Parser.
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*
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* @param Parser $parser Instance of Parser
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* @return bool
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*/
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public static function registerTag( &$parser ) {
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$parser->setHook( 'commentsoftheday', array( __CLASS__, 'getHTML' ) );
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return true;
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}
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/**
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* Get comments of the day -- five newest comments within the last 24 hours
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*
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* @return string HTML
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*/
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public static function getHTML( $input, $args, $parser ) {
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$comments = self::get( (bool)$args['nocache'] );
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$commentOutput = '';
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foreach ( $comments as $comment ) {
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$commentOutput .= $comment->displayForCommentOfTheDay();
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}
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$output = '';
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if ( !empty( $commentOutput ) ) {
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$output .= $commentOutput;
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} else {
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$output .= wfMessage( 'comments-no-comments-of-day' )->plain();
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}
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return $output;
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}
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/**
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* Get comments of the day, either from cache or the DB.
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*
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* @param bool $skipCache Skip using memcached and fetch data directly from the DB?
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* @param int $cacheTime How long to cache the results in memcached? Default is one day (60 * 60 * 24).
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* @param array $whereConds WHERE conditions for the SQL clause (if not using the defaults)
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* @return array
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*/
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public static function get( $skipCache = false, $cacheTime = 86400, $whereConds = array() ) {
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global $wgMemc;
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// Try memcached first
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$key = wfMemcKey( 'comments-of-the-day', 'standalone-hook-new' );
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$data = $wgMemc->get( $key );
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if ( $data ) { // success, got it from memcached!
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$comments = $data;
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} elseif ( !$data || $skipCache ) { // just query the DB
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$dbr = wfGetDB( DB_SLAVE );
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if ( empty( $whereConds ) ) {
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$whereConds = array(
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'Comment_Page_ID = page_id',
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'UNIX_TIMESTAMP(Comment_Date) > ' . ( time() - ( $cacheTime ) )
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);
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}
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$res = $dbr->select(
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array( 'Comments', 'page' ),
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array(
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'Comment_Username', 'Comment_IP', 'Comment_Text',
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'Comment_Date', 'Comment_User_Id', 'CommentID',
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'Comment_Parent_ID', 'Comment_Page_ID'
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),
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$whereConds,
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__METHOD__
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);
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$comments = array();
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foreach ( $res as $row ) {
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if ( $row->Comment_Parent_ID == 0 ) {
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$thread = $row->CommentID;
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} else {
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$thread = $row->Comment_Parent_ID;
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}
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$data = array(
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'Comment_Username' => $row->Comment_Username,
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'Comment_IP' => $row->Comment_IP,
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'Comment_Text' => $row->Comment_Text,
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'Comment_Date' => $row->Comment_Date,
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'Comment_user_id' => $row->Comment_User_Id,
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// @todo FIXME: absolutely disgusting -- should use Language's formatNum() for better i18n
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'Comment_user_points' => ( isset( $row->stats_total_points ) ? number_format( $row->stats_total_points ) : 0 ),
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'CommentID' => $row->CommentID,
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'Comment_Parent_ID' => $row->Comment_Parent_ID,
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'thread' => $thread,
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'timestamp' => wfTimestamp( TS_UNIX, $row->Comment_Date )
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);
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$page = new CommentsPage( $row->Comment_Page_ID, new RequestContext() );
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$comments[] = new Comment( $page, new RequestContext(), $data );
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}
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usort( $comments, array( 'CommentFunctions', 'sortCommentScore' ) );
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$comments = array_slice( $comments, 0, 5 );
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$wgMemc->set( $key, $comments, $cacheTime );
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}
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return $comments;
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}
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}
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