ResourceUploadBackends.php

<?php

/**
 * Generic function to add the comment linking back to the original title
 */
function getResourceComment() {
   global $wgResourcesCategory, $wgContLang, $wgRequest;

   $referer = $wgRequest->getText(ADD_RESOURCE_REFERER_FIELD);
   $linktext = wfMessage('resources')->inContentLanguage()->text();
   $pageText = "\n\n<!-- Don't edit below this line! -->\n[[" . $referer . "]] ";
   $pageText .= "([[" . SpecialPage::getTitleFor( 'Resources' )
         . '/' . $referer . '|' . $linktext . ']])';
   if ( $wgResourcesCategory != NULL && gettype($wgResourcesCategory) == "string" ) {
      $categoryText = $wgContLang->getNSText ( NS_CATEGORY );
      $pageText .= "\n[[" . $categoryText . ":" .
         $wgResourcesCategory . "]]";
   }
   return $pageText;
}

/**
 * Upload handler class that extends the normal UploadFromFile class to modify
 * the desired destination name and add the generic comment
 */
class UploadResourceFromFile extends UploadFromFile {
   /**
    * Modify the desired destination name.
    */
   function initializeFromRequest( &$request ) {
      $desiredDestName = $request->getText( 'wpDestFile' );
      if( !$desiredDestName ) {
         $desiredDestName = $request->getFileName( 'wpUploadFile' );
      }

      $referer =  $request->getText(ADD_RESOURCE_REFERER_FIELD);

      # filenames can never contain slashes, but the referer might contain them, if
      # its a subpage:
      $prefix = preg_replace('/\//', '-', $referer);
      $destName = $prefix . ' - ' . $desiredDestName;

        $init = parent::initializeFromRequest( $request );
        $this->mDesiredDestName = $destName;

        return $init;
   }

   /**
    * Append the generic comment.
    *
    * @param $comment string The comment describing the change in the changelog
    * @param $pageText string The text of the page. This string is modified
    *   with a link back to the original article referred to by the
    *    ADD_RESOURCE_REFERER_FIELD variable.
    */
    function performUpload( $comment, $pageText, $watch, $user ) {
      $pageText .= getResourceComment();
      return parent::performUpload( $comment, $pageText, $watch, $user );
   }
}

/**
 * This class is used when a file is uploaded via Special:AddResource and a
 * warning is displayed for some reason. In this case, Special:Upload gets
 * loaded and the file is in fact already uploaded (as temporary file).
 */
class UploadResourceFromStash extends UploadFromStash {
   /**
    * This function just appends the generic comment
    */
    function performUpload( $comment, $pageText, $watch, $user ) {
      $pageText .= getResourceComment();
      return parent::performUpload( $comment, $pageText, $watch, $user );
   }
}
?>