includes/SpecialNewimages.php

   1 <?php
   2 /**
   3  *
   4  * @package MediaWiki
   5  * @subpackage SpecialPage
   6  */
   7
   8 /** */
   9 require_once( 'ImageGallery.php' );
  10
  11 /**
  12  *
  13  */
  14 function wfSpecialNewimages() {
  15         global $wgUser, $wgOut, $wgLang, $wgContLang, $wgRequest,
  16                $wgGroupPermissions;
  17
  18         $wpIlMatch = $wgRequest->getText( 'wpIlMatch' );
  19         $dbr =& wfGetDB( DB_SLAVE );
  20         $sk = $wgUser->getSkin();
  21         $hidebots = $wgRequest->getBool('hidebots',1);
  22
  23         if($hidebots) {
  24
  25                 /** Make a list of group names which have the 'bot' flag
  26                     set.
  27                 */
  28                 $botconds=array();
  29                 foreach ($wgGroupPermissions as $groupname=>$perms) {
  30                         if(array_key_exists('bot',$perms) && $perms['bot']) {
  31                                 $botconds[]="ug_group='$groupname'";
  32                         }
  33                 }
  34                 $isbotmember=$dbr->makeList($botconds, LIST_OR);
  35
  36                 /** This join, in conjunction with WHERE ug_group
  37                     IS NULL, returns only those rows from IMAGE
  38                     where the uploading user is not a member of
  39                     a group which has the 'bot' permission set.
  40                 */
  41                 $joinsql=' LEFT OUTER JOIN user_groups ON img_user=ug_user AND ('
  42                   . $isbotmember.')';
  43         }
  44         $sql='SELECT img_timestamp from image';
  45         if($hidebots) {
  46                 $sql.=$joinsql.' WHERE ug_group IS NULL';
  47         }
  48         $sql.=' ORDER BY img_timestamp DESC LIMIT 1';
  49         $res = $dbr->query($sql, 'wfSpecialNewImages');
  50         $row = $dbr->fetchRow($res);
  51         if($row!==false) {
  52                 $ts=$row[0];
  53         } else {
  54                 $ts=false;
  55         }
  56         $dbr->freeResult($res);
  57         $sql='';
  58
  59         /** If we were clever, we'd use this to cache. */
  60         $latestTimestamp = wfTimestamp( TS_MW, $ts);
  61
  62         /** Hardcode this for now. */
  63         $limit = 48;
  64
  65         $where = array();
  66         if ( $wpIlMatch != '' ) {
  67                 $nt = Title::newFromUrl( $wpIlMatch );
  68                 if($nt ) {
  69                         $m = $dbr->strencode( strtolower( $nt->getDBkey() ) );
  70                         $m = str_replace( '%', "\\%", $m );
  71                         $m = str_replace( '_', "\\_", $m );
  72                         $where[] = "LCASE(img_name) LIKE '%{$m}%'";
  73                 }
  74         }
  75
  76         $invertSort = false;
  77         if( $until = $wgRequest->getVal( 'until' ) ) {
  78                 $where[] = 'img_timestamp < ' . $dbr->timestamp( $until );
  79         }
  80         if( $from = $wgRequest->getVal( 'from' ) ) {
  81                 $where[] = 'img_timestamp >= ' . $dbr->timestamp( $from );
  82                 $invertSort = true;
  83         }
  84         $sql='SELECT img_size, img_name, img_user, img_user_text,'.
  85              'img_description,img_timestamp FROM image';
  86
  87         if($hidebots) {
  88                 $sql.=$joinsql;
  89                 $where[]='ug_group IS NULL';
  90         }
  91         if(count($where)) {
  92                 $sql.=' WHERE '.$dbr->makeList($where, LIST_AND);
  93         }
  94         $sql.=' ORDER BY img_timestamp '. ( $invertSort ? '' : ' DESC' );
  95         $sql.=' LIMIT '.($limit+1);
  96         $res = $dbr->query($sql, 'wfSpecialNewImages');
  97
  98         /**
  99          * We have to flip things around to get the last N after a certain date
 100          */
 101         $images = array();
 102         while ( $s = $dbr->fetchObject( $res ) ) {
 103                 if( $invertSort ) {
 104                         array_unshift( $images, $s );
 105                 } else {
 106                         array_push( $images, $s );
 107                 }
 108         }
 109         $dbr->freeResult( $res );
 110
 111         $gallery = new ImageGallery();
 112         $firstTimestamp = null;
 113         $lastTimestamp = null;
 114         $shownImages = 0;
 115         foreach( $images as $s ) {
 116                 if( ++$shownImages > $limit ) {
 117                         # One extra just to test for whether to show a page link;
 118                         # don't actually show it.
 119                         break;
 120                 }
 121
 122                 $name = $s->img_name;
 123                 $ut = $s->img_user_text;
 124
 125                 $nt = Title::newFromText( $name, NS_IMAGE );
 126                 $img = Image::newFromTitle( $nt );
 127                 $ul = $sk->makeLinkObj( Title::makeTitle( NS_USER, $ut ), $ut );
 128
 129                 $gallery->add( $img, "$ul<br />\n<i>".$wgLang->timeanddate( $s->img_timestamp, true )."</i><br />\n" );
 130
 131                 $timestamp = wfTimestamp( TS_MW, $s->img_timestamp );
 132                 if( empty( $firstTimestamp ) ) {
 133                         $firstTimestamp = $timestamp;
 134                 }
 135                 $lastTimestamp = $timestamp;
 136         }
 137
 138         $bydate = wfMsg( 'bydate' );
 139         $lt = $wgLang->formatNum( min( $shownImages, $limit ) );
 140         $text = wfMsg( "imagelisttext",
 141                 "<strong>{$lt}</strong>", "<strong>{$bydate}</strong>" );
 142         $wgOut->addHTML( "<p>{$text}\n</p>" );
 143
 144         $sub = wfMsg( 'ilsubmit' );
 145         $titleObj = Title::makeTitle( NS_SPECIAL, 'Newimages' );
 146         $action = $titleObj->escapeLocalURL(  "limit={$limit}" );
 147         if(!$hidebots) {
 148                 $action.='&hidebots=0';
 149         }
 150         $wgOut->addHTML( "<form id=\"imagesearch\" method=\"post\" action=\"" .
 151           "{$action}\">" .
 152           "<input type='text' size='20' name=\"wpIlMatch\" value=\"" .
 153           htmlspecialchars( $wpIlMatch ) . "\" /> " .
 154           "<input type='submit' name=\"wpIlSubmit\" value=\"{$sub}\" /></form>" );
 155         $here = $wgContLang->specialPage( 'Newimages' );
 156
 157         /**
 158          * Paging controls...
 159          */
 160
 161         # If we change bot visibility, this needs to be carried along.
 162         if(!$hidebots) {
 163                 $botpar='&hidebots=0';
 164         } else {
 165                 $botpar='';
 166         }
 167         $now = wfTimestampNow();
 168         $date = $wgLang->timeanddate( $now );
 169         $dateLink = $sk->makeKnownLinkObj( $titleObj, wfMsg( 'rclistfrom', $date ), 'from='.$now.$botpar );
 170
 171         $botLink = $sk->makeKnownLinkObj($titleObj, wfMsg( 'showhidebots', ($hidebots ? wfMsg('show') : wfMsg('hide'))),'hidebots='.($hidebots ? '0' : '1'));
 172
 173         $prevLink = wfMsg( 'prevn', $wgLang->formatNum( $limit ) );
 174         if( $firstTimestamp && $firstTimestamp != $latestTimestamp ) {
 175                 $prevLink = $sk->makeKnownLinkObj( $titleObj, $prevLink, 'from=' . $firstTimestamp . $botpar );
 176         }
 177
 178         $nextLink = wfMsg( 'nextn', $wgLang->formatNum( $limit ) );
 179         if( $shownImages > $limit && $lastTimestamp ) {
 180                 $nextLink = $sk->makeKnownLinkObj( $titleObj, $nextLink, 'until=' . $lastTimestamp.$botpar );
 181         }
 182
 183         $prevnext = '<p>' . $botLink . ' '. wfMsg( 'viewprevnext', $prevLink, $nextLink, $dateLink ) .'</p>';
 184
 185         $wgOut->addHTML( $prevnext );
 186
 187         if( count( $images ) ) {
 188                 $wgOut->addHTML( $gallery->toHTML() );
 189                 $wgOut->addHTML( $prevnext );
 190         } else {
 191                 $wgOut->addWikiText( wfMsg( 'noimages' ) );
 192         }
 193 }
 194
 195 ?>