plugins/oaiMetadataFormats/marcxml/OAIMetadataFormat_MARC21.inc.php

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<?php

// $Id$


class OAIMetadataFormat_MARC21 extends OAIMetadataFormat {
   function toXml(&$record, $format = null) {
      $conference =& $record->getData('conference');
      $schedConf =& $record->getData('schedConf');
      $paper =& $record->getData('paper');
      $track =& $record->getData('track');
      $galleys =& $record->getData('galleys');

      // Add page information to sources
      $source = $conference->getConferenceTitle() . '; ' . $schedConf->getSchedConfTitle();
      if ($paper->getPages() != '') {
         $source .= '; ' . $paper->getPages();
      }

      // Get author names
      $creators = array();
      foreach ($paper->getAuthors() as $author) {
         $authorName = $author->getFullName();
         $affiliation = $author->getAffiliation();
         if (!empty($affiliation)) {
            $authorName .= '; ' . $affiliation;
         }
         $creators[] = $authorName;
      }

      // Subjects
      $subject = array(
         $paper->getLocalizedDiscipline(null),
         $paper->getLocalizedSubject(null),
         $paper->getLocalizedSubjectClass(null)
      );

      // Publishers
      $publisher = $conference->getConferenceTitle(); // Default
      $publisherInstitution = $conference->getSetting('publisherInstitution');
      if (!empty($publisherInstitution)) {
         $publisher = $publisherInstitution;
      }

      // Types
      AppLocale::requireComponents(array(LOCALE_COMPONENT_APPLICATION_COMMON));
      $type = __('rt.metadata.pkp.peerReviewed');

      // Formats
      $format = array();
      foreach ($galleys as $galley) {
         $format[] = $galley->getFileType();
      }

      // Get supplementary files
      $relation = array();
      foreach ($paper->getSuppFiles() as $suppFile) {
         // FIXME replace with correct URL
         $relation[] = Request::url($conference->getPath(), $schedConf->getPath(), 'paper', 'download', array($paper->getId(), $suppFile->getFileId()));
      }

      $response = "<record\n" .
         "\txmlns=\"http://www.loc.gov/MARC21/slim\"\n" .
         "\txmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n" .
         "\txsi:schemaLocation=\"http://www.loc.gov/MARC21/slim\n" .
         "\thttp://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd\">\n" .
         "\t<leader>     cam         3u     </leader>\n" .
         "\t<controlfield tag=\"008\">\"" . date('ymd Y', strtotime($paper->getDatePublished())) . "                        eng  \"</controlfield>\n" .
         $this->formatElement('042', ' ', ' ', 'a', 'dc') .
         $this->formatElement('245', '0', '0', 'a', $paper->getLocalizedTitle()) .
         $this->formatElement('720', ' ', ' ', 'a', $creators) .
         $this->formatElement('653', ' ', ' ', 'a', $subject) .
         $this->formatElement('520', ' ', ' ', 'a', strip_tags($paper->getLocalizedAbstract())) .
         $this->formatElement('260', ' ', ' ', 'b', $publisher) .
         $this->formatElement('720', ' ', ' ', 'a', $paper->getLocalizedSponsor()) .
         $this->formatElement('260', ' ', ' ', 'c', $paper->getDatePublished()) .
         $this->formatElement('655', ' ', '7', 'a', $type) .
         $this->formatElement('856', ' ', ' ', 'q', $format) .
         $this->formatElement('856', '4', '0', 'u', Request::url($conference->getPath(), $schedConf->getPath(), 'paper', 'view', array($paper->getBestPaperId()))) .
         $this->formatElement('786', '0', ' ', 'n', $source) .
         $this->formatElement('546', ' ', ' ', 'a', $paper->getLanguage()) .
         $this->formatElement('787', '0', ' ', 'n', $relation) .
         $this->formatElement('500', ' ', ' ', 'a', array(
            $paper->getLocalizedCoverageGeo(null),
            $paper->getLocalizedCoverageChron(null),
            $paper->getLocalizedCoverageSample(null)
         )) .
         $this->formatElement('540', ' ', ' ', 'a', $conference->getLocalizedSetting('copyrightNotice')) .
         "</record>\n";

      return $response;
   }

   function formatElement($tag, $ind1, $ind2, $code, $value) {
      if (!is_array($value)) {
         $value = array($value);
      }
      $response = '';
      foreach ($value as $v) {
         $response .= "\t<datafield tag=\"$tag\" ind1=\"$ind1\" ind2=\"$ind2\">\n" .
            "\t\t<subfield code=\"$code\">" . OAIUtils::prepOutput($v) . "</subfield>\n" .
            "\t</datafield>\n";
      }
      return $response;
   }
}

?>

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