includes/SpecialMIMEsearch.php

   1 <?php
   2 /**
   3  * A special page to search for files by MIME type as defined in the
   4  * img_major_mime and img_minor_mime fields in the image table
   5  *
   6  * @package MediaWiki
   7  * @subpackage SpecialPage
   8  *
   9  * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
  10  * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
  11  */
  12
  13 /* */
  14 require_once 'QueryPage.php';
  15
  16 /**
  17  * @package MediaWiki
  18  * @subpackage SpecialPage
  19  */
  20 class MIMEsearchPage extends QueryPage {
  21         var $major, $minor;
  22
  23         function MIMEsearchPage( $major, $minor ) {
  24                 $this->major = $major;
  25                 $this->minor = $minor;
  26         }
  27
  28         function getName() { return 'MIMEsearch'; }
  29
  30         /**
  31          * Due to this page relying upon extra fields being passed in the SELECT it
  32          * will fail if it's set as expensive and misermode is on
  33          */
  34         function isExpensive() { return true; }
  35         function isSyndicated() { return false; }
  36
  37         function linkParameters() {
  38                 $arr = array( $this->major, $this->minor );
  39                 $mime = implode( '/', $arr );
  40                 return array( 'mime' => $mime );
  41         }
  42
  43         function getSQL() {
  44                 $dbr =& wfGetDB( DB_SLAVE );
  45                 $image = $dbr->tableName( 'image' );
  46                 $major = $dbr->addQuotes( $this->major );
  47                 $minor = $dbr->addQuotes( $this->minor );
  48
  49                 return
  50                         "SELECT 'MIMEsearch' AS type,
  51                                 " . NS_IMAGE . " AS namespace,
  52                                 img_name AS title,
  53                                 img_major_mime AS value,
  54
  55                                 img_size,
  56                                 img_width,
  57                                 img_height,
  58                                 img_user_text,
  59                                 img_timestamp
  60                         FROM $image
  61                         WHERE img_major_mime = $major AND img_minor_mime = $minor
  62                         ";
  63         }
  64
  65         function formatResult( $skin, $result ) {
  66                 global $wgContLang, $wgLang;
  67
  68                 $nt = Title::makeTitle( $result->namespace, $result->title );
  69                 $text = $wgContLang->convert( $nt->getText() );
  70                 $plink = $skin->makeLink( $nt->getPrefixedText(), $text );
  71
  72                 $download = $skin->makeMediaLink( $nt->getText(), 'fuck me!', wfMsgHtml( 'download' ) );
  73                 $bytes = wfMsg( 'nbytes', $wgLang->formatNum( $result->img_size ) );
  74                 $dimensions = wfMsg( 'widthheight', $result->img_width, $result->img_height );
  75                 $user = $skin->makeLinkObj( Title::makeTitle( NS_USER, $result->img_user_text ), $result->img_user_text );
  76                 $time = $wgLang->timeanddate( $result->img_timestamp );
  77
  78                 return "($download) $plink .. $dimensions .. $bytes .. $user .. $time";
  79         }
  80 }
  81
  82 /**
  83  * constructor
  84  */
  85 function wfSpecialMIMEsearch( $par = null ) {
  86         global $wgRequest, $wgTitle, $wgOut;
  87
  88         $mime = isset( $par ) ? $par : $wgRequest->getText( 'mime' );
  89
  90         $wgOut->addHTML(
  91                 wfElement( 'form',
  92                         array(
  93                                 'id' => 'specialmimesearch',
  94                                 'method' => 'get',
  95                                 'action' => $wgTitle->escapeLocalUrl()
  96                         ),
  97                         null
  98                 ) .
  99                         wfOpenElement( 'label' ) .
 100                                 wfMsgHtml( 'mimetype' ) .
 101                                 wfElement( 'input', array(
 102                                                 'type' => 'text',
 103                                                 'size' => 20,
 104                                                 'name' => 'mime',
 105                                                 'value' => $mime
 106                                         ),
 107                                         ''
 108                                 ) .
 109                                 ' ' .
 110                                 wfElement( 'input', array(
 111                                                 'type' => 'submit',
 112                                                 'value' => wfMsg( 'ilsubmit' )
 113                                         ),
 114                                         ''
 115                                 ) .
 116                         wfCloseElement( 'label' ) .
 117                 wfCloseElement( 'form' )
 118         );
 119
 120         list( $major, $minor ) = wfSpecialMIMEsearchParse( $mime );
 121         if ( $major == '' or $minor == '' or !wfSpecialMIMEsearchValidType( $major ) )
 122                 return;
 123         $wpp = new MIMEsearchPage( $major, $minor );
 124
 125         list( $limit, $offset ) = wfCheckLimits();
 126         $wpp->doQuery( $offset, $limit );
 127 }
 128
 129 function wfSpecialMIMEsearchParse( $str ) {
 130         wfSuppressWarnings();
 131         list( $major, $minor ) = explode( '/', $str, 2 );
 132         wfRestoreWarnings();
 133
 134         return array(
 135                 ltrim( $major, ' ' ),
 136                 rtrim( $minor, ' ' )
 137         );
 138 }
 139
 140 function wfSpecialMIMEsearchValidType( $type ) {
 141         // From maintenance/tables.sql => img_major_mime
 142         $types = array(
 143                 'unknown',
 144                 'application',
 145                 'audio',
 146                 'image',
 147                 'text',
 148                 'video',
 149                 'message',
 150                 'model',
 151                 'multipart'
 152         );
 153
 154         return in_array( $type, $types );
 155 }
 156 ?>