includes/SpecialNewimages.php

   1 <?php
   2 /**
   3  *
   4  * @addtogroup SpecialPage
   5  */
   6
   7 /**
   8  *
   9  */
  10 function wfSpecialNewimages( $par, $specialPage ) {
  11         global $wgUser, $wgOut, $wgLang, $wgRequest, $wgGroupPermissions;
  12
  13         $wpIlMatch = $wgRequest->getText( 'wpIlMatch' );
  14         $dbr =& wfGetDB( DB_SLAVE );
  15         $sk = $wgUser->getSkin();
  16         $shownav = !$specialPage->including();
  17         $hidebots = $wgRequest->getBool('hidebots',1);
  18
  19         $hidebotsql = '';
  20         if ($hidebots) {
  21
  22                 /** Make a list of group names which have the 'bot' flag
  23                     set.
  24                 */
  25                 $botconds=array();
  26                 foreach ($wgGroupPermissions as $groupname=>$perms) {
  27                         if(array_key_exists('bot',$perms) && $perms['bot']) {
  28                                 $botconds[]="ug_group='$groupname'";
  29                         }
  30                 }
  31
  32                 /* If not bot groups, do not set $hidebotsql */
  33                 if ($botconds) {
  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                         $ug = $dbr->tableName('user_groups');
  42                         $hidebotsql = " LEFT OUTER JOIN $ug ON img_user=ug_user AND ($isbotmember)";
  43                 }
  44         }
  45
  46         $image = $dbr->tableName('image');
  47
  48         $sql="SELECT img_timestamp from $image";
  49         if ($hidebotsql) {
  50                 $sql .= "$hidebotsql WHERE ug_group IS NULL";
  51         }
  52         $sql.=' ORDER BY img_timestamp DESC LIMIT 1';
  53         $res = $dbr->query($sql, 'wfSpecialNewImages');
  54         $row = $dbr->fetchRow($res);
  55         if($row!==false) {
  56                 $ts=$row[0];
  57         } else {
  58                 $ts=false;
  59         }
  60         $dbr->freeResult($res);
  61         $sql='';
  62
  63         /** If we were clever, we'd use this to cache. */
  64         $latestTimestamp = wfTimestamp( TS_MW, $ts);
  65
  66         /** Hardcode this for now. */
  67         $limit = 48;
  68
  69         if ( $parval = intval( $par ) ) {
  70                 if ( $parval <= $limit && $parval > 0 ) {
  71                         $limit = $parval;
  72                 }
  73         }
  74
  75         $where = array();
  76         $searchpar = '';
  77         if ( $wpIlMatch != '' ) {
  78                 $nt = Title::newFromUrl( $wpIlMatch );
  79                 if($nt ) {
  80                         $m = $dbr->strencode( strtolower( $nt->getDBkey() ) );
  81                         $m = str_replace( '%', "\\%", $m );
  82                         $m = str_replace( '_', "\\_", $m );
  83                         $where[] = "LCASE(img_name) LIKE '%{$m}%'";
  84                         $searchpar = '&wpIlMatch=' . urlencode( $wpIlMatch );
  85                 }
  86         }
  87
  88         $invertSort = false;
  89         if( $until = $wgRequest->getVal( 'until' ) ) {
  90                 $where[] = 'img_timestamp < ' . $dbr->timestamp( $until );
  91         }
  92         if( $from = $wgRequest->getVal( 'from' ) ) {
  93                 $where[] = 'img_timestamp >= ' . $dbr->timestamp( $from );
  94                 $invertSort = true;
  95         }
  96         $sql='SELECT img_size, img_name, img_user, img_user_text,'.
  97              "img_description,img_timestamp FROM $image";
  98
  99         if($hidebotsql) {
 100                 $sql .= $hidebotsql;
 101                 $where[]='ug_group IS NULL';
 102         }
 103         if(count($where)) {
 104                 $sql.=' WHERE '.$dbr->makeList($where, LIST_AND);
 105         }
 106         $sql.=' ORDER BY img_timestamp '. ( $invertSort ? '' : ' DESC' );
 107         $sql.=' LIMIT '.($limit+1);
 108         $res = $dbr->query($sql, 'wfSpecialNewImages');
 109
 110         /**
 111          * We have to flip things around to get the last N after a certain date
 112          */
 113         $images = array();
 114         while ( $s = $dbr->fetchObject( $res ) ) {
 115                 if( $invertSort ) {
 116                         array_unshift( $images, $s );
 117                 } else {
 118                         array_push( $images, $s );
 119                 }
 120         }
 121         $dbr->freeResult( $res );
 122
 123         $gallery = new ImageGallery();
 124         $firstTimestamp = null;
 125         $lastTimestamp = null;
 126         $shownImages = 0;
 127         foreach( $images as $s ) {
 128                 if( ++$shownImages > $limit ) {
 129                         # One extra just to test for whether to show a page link;
 130                         # don't actually show it.
 131                         break;
 132                 }
 133
 134                 $name = $s->img_name;
 135                 $ut = $s->img_user_text;
 136
 137                 $nt = Title::newFromText( $name, NS_IMAGE );
 138                 $img = new Image( $nt );
 139                 $ul = $sk->makeLinkObj( Title::makeTitle( NS_USER, $ut ), $ut );
 140
 141                 $gallery->add( $img, "$ul<br />\n<i>".$wgLang->timeanddate( $s->img_timestamp, true )."</i><br />\n" );
 142
 143                 $timestamp = wfTimestamp( TS_MW, $s->img_timestamp );
 144                 if( empty( $firstTimestamp ) ) {
 145                         $firstTimestamp = $timestamp;
 146                 }
 147                 $lastTimestamp = $timestamp;
 148         }
 149
 150         $bydate = wfMsg( 'bydate' );
 151         $lt = $wgLang->formatNum( min( $shownImages, $limit ) );
 152         if ($shownav) {
 153                 $text = wfMsgExt( 'imagelisttext', array('parse'), $lt, $bydate );
 154                 $wgOut->addHTML( $text . "\n" );
 155         }
 156
 157         $sub = wfMsg( 'ilsubmit' );
 158         $titleObj = SpecialPage::getTitleFor( 'Newimages' );
 159         $action = $titleObj->escapeLocalURL( $hidebots ? '' : 'hidebots=0' );
 160         if ($shownav) {
 161                 $wgOut->addHTML( "<form id=\"imagesearch\" method=\"post\" action=\"" .
 162                   "{$action}\">" .
 163                         Xml::input( 'wpIlMatch', 20, $wpIlMatch ) . ' ' .
 164                   Xml::submitButton( $sub, array( 'name' => 'wpIlSubmit' ) ) .
 165                   "</form>" );
 166         }
 167
 168         /**
 169          * Paging controls...
 170          */
 171
 172         # If we change bot visibility, this needs to be carried along.
 173         if(!$hidebots) {
 174                 $botpar='&hidebots=0';
 175         } else {
 176                 $botpar='';
 177         }
 178         $now = wfTimestampNow();
 179         $date = $wgLang->timeanddate( $now, true );
 180         $dateLink = $sk->makeKnownLinkObj( $titleObj, wfMsgHtml( 'sp-newimages-showfrom', $date ), 'from='.$now.$botpar.$searchpar );
 181
 182         $botLink = $sk->makeKnownLinkObj($titleObj, wfMsgHtml( 'showhidebots', ($hidebots ? wfMsgHtml('show') : wfMsgHtml('hide'))),'hidebots='.($hidebots ? '0' : '1').$searchpar);
 183
 184         $prevLink = wfMsgHtml( 'prevn', $wgLang->formatNum( $limit ) );
 185         if( $firstTimestamp && $firstTimestamp != $latestTimestamp ) {
 186                 $prevLink = $sk->makeKnownLinkObj( $titleObj, $prevLink, 'from=' . $firstTimestamp . $botpar . $searchpar );
 187         }
 188
 189         $nextLink = wfMsgHtml( 'nextn', $wgLang->formatNum( $limit ) );
 190         if( $shownImages > $limit && $lastTimestamp ) {
 191                 $nextLink = $sk->makeKnownLinkObj( $titleObj, $nextLink, 'until=' . $lastTimestamp.$botpar.$searchpar );
 192         }
 193
 194         $prevnext = '<p>' . $botLink . ' '. wfMsgHtml( 'viewprevnext', $prevLink, $nextLink, $dateLink ) .'</p>';
 195
 196         if ($shownav)
 197                 $wgOut->addHTML( $prevnext );
 198
 199         if( count( $images ) ) {
 200                 $wgOut->addHTML( $gallery->toHTML() );
 201                 if ($shownav)
 202                         $wgOut->addHTML( $prevnext );
 203         } else {
 204                 $wgOut->addWikiText( wfMsg( 'noimages' ) );
 205         }
 206 }
 207
 208 ?>