Comments/includes/CommentsOfTheDay.class.php

121 lines
3.4 KiB
PHP
Raw Normal View History

2017-09-27 17:53:26 +02:00
<?php
/**
* Comments of the Day parser hook -- shows the five newest comments that have
* been sent within the last 24 hours.
*
* @file
* @ingroup Extensions
* @date 27 November 2015
*/
class CommentsOfTheDay {
/**
* Register the new <commentsoftheday /> parser hook with the Parser.
*
* @param Parser $parser Instance of Parser
* @return bool
*/
public static function registerTag( &$parser ) {
$parser->setHook( 'commentsoftheday', array( __CLASS__, 'getHTML' ) );
return true;
}
/**
* Get comments of the day -- five newest comments within the last 24 hours
*
* @return string HTML
*/
public static function getHTML( $input, $args, $parser ) {
$comments = self::get( (bool)$args['nocache'] );
$commentOutput = '';
foreach ( $comments as $comment ) {
$commentOutput .= $comment->displayForCommentOfTheDay();
}
$output = '';
if ( !empty( $commentOutput ) ) {
$output .= $commentOutput;
} else {
$output .= wfMessage( 'comments-no-comments-of-day' )->plain();
}
return $output;
}
/**
* Get comments of the day, either from cache or the DB.
*
* @param bool $skipCache Skip using memcached and fetch data directly from the DB?
* @param int $cacheTime How long to cache the results in memcached? Default is one day (60 * 60 * 24).
* @param array $whereConds WHERE conditions for the SQL clause (if not using the defaults)
* @return array
*/
public static function get( $skipCache = false, $cacheTime = 86400, $whereConds = array() ) {
global $wgMemc;
// Try memcached first
$key = wfMemcKey( 'comments-of-the-day', 'standalone-hook-new' );
$data = $wgMemc->get( $key );
if ( $data ) { // success, got it from memcached!
$comments = $data;
} elseif ( !$data || $skipCache ) { // just query the DB
$dbr = wfGetDB( DB_SLAVE );
if ( empty( $whereConds ) ) {
$whereConds = array(
'Comment_Page_ID = page_id',
'UNIX_TIMESTAMP(Comment_Date) > ' . ( time() - ( $cacheTime ) )
);
}
$res = $dbr->select(
array( 'Comments', 'page' ),
array(
'Comment_Username', 'Comment_IP', 'Comment_Text',
'Comment_Date', 'Comment_User_Id', 'CommentID',
'Comment_Parent_ID', 'Comment_Page_ID'
),
$whereConds,
__METHOD__
);
$comments = array();
foreach ( $res as $row ) {
if ( $row->Comment_Parent_ID == 0 ) {
$thread = $row->CommentID;
} else {
$thread = $row->Comment_Parent_ID;
}
$data = array(
'Comment_Username' => $row->Comment_Username,
'Comment_IP' => $row->Comment_IP,
'Comment_Text' => $row->Comment_Text,
'Comment_Date' => $row->Comment_Date,
'Comment_user_id' => $row->Comment_User_Id,
// @todo FIXME: absolutely disgusting -- should use Language's formatNum() for better i18n
'Comment_user_points' => ( isset( $row->stats_total_points ) ? number_format( $row->stats_total_points ) : 0 ),
'CommentID' => $row->CommentID,
'Comment_Parent_ID' => $row->Comment_Parent_ID,
'thread' => $thread,
'timestamp' => wfTimestamp( TS_UNIX, $row->Comment_Date )
);
$page = new CommentsPage( $row->Comment_Page_ID, new RequestContext() );
$comments[] = new Comment( $page, new RequestContext(), $data );
}
usort( $comments, array( 'CommentFunctions', 'sortCommentScore' ) );
$comments = array_slice( $comments, 0, 5 );
$wgMemc->set( $key, $comments, $cacheTime );
}
return $comments;
}
}