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 = wfMsgExt( 'nbytes', array( 'parsemag', 'escape'),
  74                         $wgLang->formatNum( $result->img_size ) );
  75                 $dimensions = wfMsg( 'widthheight', $wgLang->formatNum( $result->img_width ),
  76                         $wgLang->formatNum( $result->img_height ) );
  77                 $user = $skin->makeLinkObj( Title::makeTitle( NS_USER, $result->img_user_text ), $result->img_user_text );
  78                 $time = $wgLang->timeanddate( $result->img_timestamp );
  79
  80                 return "($download) $plink . . $dimensions . . $bytes . . $user . . $time";
  81         }
  82 }
  83
  84 /**
  85  * constructor
  86  */
  87 function wfSpecialMIMEsearch( $par = null ) {
  88         global $wgRequest, $wgTitle, $wgOut;
  89
  90         $mime = isset( $par ) ? $par : $wgRequest->getText( 'mime' );
  91
  92         $wgOut->addHTML(
  93                 wfElement( 'form',
  94                         array(
  95                                 'id' => 'specialmimesearch',
  96                                 'method' => 'get',
  97                                 'action' => $wgTitle->escapeLocalUrl()
  98                         ),
  99                         null
 100                 ) .
 101                         wfOpenElement( 'label' ) .
 102                                 wfMsgHtml( 'mimetype' ) .
 103                                 wfElement( 'input', array(
 104                                                 'type' => 'text',
 105                                                 'size' => 20,
 106                                                 'name' => 'mime',
 107                                                 'value' => $mime
 108                                         ),
 109                                         ''
 110                                 ) .
 111                                 ' ' .
 112                                 wfElement( 'input', array(
 113                                                 'type' => 'submit',
 114                                                 'value' => wfMsg( 'ilsubmit' )
 115                                         ),
 116                                         ''
 117                                 ) .
 118                         wfCloseElement( 'label' ) .
 119                 wfCloseElement( 'form' )
 120         );
 121
 122         list( $major, $minor ) = wfSpecialMIMEsearchParse( $mime );
 123         if ( $major == '' or $minor == '' or !wfSpecialMIMEsearchValidType( $major ) )
 124                 return;
 125         $wpp = new MIMEsearchPage( $major, $minor );
 126
 127         list( $limit, $offset ) = wfCheckLimits();
 128         $wpp->doQuery( $offset, $limit );
 129 }
 130
 131 function wfSpecialMIMEsearchParse( $str ) {
 132         wfSuppressWarnings();
 133         list( $major, $minor ) = explode( '/', $str, 2 );
 134         wfRestoreWarnings();
 135
 136         return array(
 137                 ltrim( $major, ' ' ),
 138                 rtrim( $minor, ' ' )
 139         );
 140 }
 141
 142 function wfSpecialMIMEsearchValidType( $type ) {
 143         // From maintenance/tables.sql => img_major_mime
 144         $types = array(
 145                 'unknown',
 146                 'application',
 147                 'audio',
 148                 'image',
 149                 'text',
 150                 'video',
 151                 'message',
 152                 'model',
 153                 'multipart'
 154         );
 155
 156         return in_array( $type, $types );
 157 }
 158 ?>