/**
* @see MetadataDataObjectAdapter::extractMetadataFromDataObject()
* @param $article Article
* @return MetadataDescription
*/
function &extractMetadataFromDataObject(&$article)
{
assert(is_a($article, 'Article'));
AppLocale::requireComponents(LOCALE_COMPONENT_APP_COMMON);
// Retrieve data that belongs to the article.
// FIXME: Retrieve this data from the respective entity DAOs rather than
// from the OAIDAO once we've migrated all OAI providers to the
// meta-data framework. We're using the OAIDAO here because it
// contains cached entities and avoids extra database access if this
// adapter is called from an OAI context.
$oaiDao = DAORegistry::getDAO('OAIDAO');
/* @var $oaiDao OAIDAO */
$journal = $oaiDao->getJournal($article->getJournalId());
$section = $oaiDao->getSection($article->getSectionId());
if (is_a($article, 'PublishedArticle')) {
/* @var $article PublishedArticle */
$issue = $oaiDao->getIssue($article->getIssueId());
}
$dc11Description = $this->instantiateMetadataDescription();
// Title
$this->_addLocalizedElements($dc11Description, 'dc:title', $article->getTitle(null));
// Creator
$authors = $article->getAuthors();
foreach ($authors as $author) {
$authorName = $author->getFullName(true);
$affiliation = $author->getLocalizedAffiliation();
if (!empty($affiliation)) {
$authorName .= '; ' . $affiliation;
}
$dc11Description->addStatement('dc:creator', $authorName);
unset($authorName);
}
// Subject
$subjects = array_merge_recursive((array) $article->getDiscipline(null), (array) $article->getSubject(null), (array) $article->getSubjectClass(null));
$this->_addLocalizedElements($dc11Description, 'dc:subject', $subjects);
// Description
$this->_addLocalizedElements($dc11Description, 'dc:description', $article->getAbstract(null));
// Publisher
$publisherInstitution = $journal->getSetting('publisherInstitution');
if (!empty($publisherInstitution)) {
$publishers = array($journal->getPrimaryLocale() => $publisherInstitution);
} else {
$publishers = $journal->getName(null);
// Default
}
$this->_addLocalizedElements($dc11Description, 'dc:publisher', $publishers);
// Contributor
$contributors = (array) $article->getSponsor(null);
foreach ($contributors as $locale => $contributor) {
$contributors[$locale] = array_map('trim', explode(';', $contributor));
}
$this->_addLocalizedElements($dc11Description, 'dc:contributor', $contributors);
// Date
if (is_a($article, 'PublishedArticle')) {
if ($article->getDatePublished()) {
$dc11Description->addStatement('dc:date', date('Y-m-d', strtotime($article->getDatePublished())));
} elseif ($issue->getDatePublished()) {
$dc11Description->addStatement('dc:date', date('Y-m-d', strtotime($issue->getDatePublished())));
}
}
// Type
$driverType = 'info:eu-repo/semantics/article';
$dc11Description->addStatement('dc:type', $driverType, METADATA_DESCRIPTION_UNKNOWN_LOCALE);
$types = $section->getIdentifyType(null);
$types = array_merge_recursive(empty($types) ? array(AppLocale::getLocale() => __('rt.metadata.pkp.peerReviewed')) : $types, (array) $article->getType(null));
$this->_addLocalizedElements($dc11Description, 'dc:type', $types);
$driverVersion = 'info:eu-repo/semantics/publishedVersion';
$dc11Description->addStatement('dc:type', $driverVersion, METADATA_DESCRIPTION_UNKNOWN_LOCALE);
// Format
if (is_a($article, 'PublishedArticle')) {
$articleGalleyDao = DAORegistry::getDAO('ArticleGalleyDAO');
/* @var $articleGalleyDao ArticleGalleyDAO */
$galleys = $articleGalleyDao->getBySubmissionId($article->getId());
$formats = array();
while ($galley = $galleys->next()) {
$dc11Description->addStatement('dc:format', $galley->getFileType());
}
}
// Identifier: URL
if (is_a($article, 'PublishedArticle')) {
$dc11Description->addStatement('dc:identifier', Request::url($journal->getPath(), 'article', 'view', array($article->getBestArticleId())));
}
// Source (journal title, issue id and pages)
$sources = $journal->getName(null);
$pages = $article->getPages();
if (!empty($pages)) {
$pages = '; ' . $pages;
}
foreach ($sources as $locale => $source) {
if (is_a($article, 'PublishedArticle')) {
$sources[$locale] .= '; ' . $issue->getIssueIdentification();
}
$sources[$locale] .= $pages;
}
$this->_addLocalizedElements($dc11Description, 'dc:source', $sources);
if ($issn = $journal->getSetting('onlineIssn')) {
$dc11Description->addStatement('dc:source', $issn, METADATA_DESCRIPTION_UNKNOWN_LOCALE);
}
if ($issn = $journal->getSetting('printIssn')) {
$dc11Description->addStatement('dc:source', $issn, METADATA_DESCRIPTION_UNKNOWN_LOCALE);
}
// Get galleys and supp files.
$galleys = array();
$suppFiles = array();
if (is_a($article, 'PublishedArticle')) {
$articleGalleyDao = DAORegistry::getDAO('ArticleGalleyDAO');
/* @var $articleGalleyDao ArticleGalleyDAO */
$galleys = $articleGalleyDao->getBySubmissionId($article->getId())->toArray();
$suppFiles = $article->getSuppFiles();
}
// Language
$locales = array();
if (is_a($article, 'PublishedArticle')) {
foreach ($galleys as $galley) {
$galleyLocale = $galley->getLocale();
if (!is_null($galleyLocale) && !in_array($galleyLocale, $locales)) {
$locales[] = $galleyLocale;
$dc11Description->addStatement('dc:language', AppLocale::getIso3FromLocale($galleyLocale));
}
}
}
$articleLanguage = $article->getLanguage();
if (empty($locales) && !empty($articleLanguage)) {
$dc11Description->addStatement('dc:language', strip_tags($articleLanguage));
}
// Relation
// full text URLs
foreach ($galleys as $galley) {
$relation = Request::url($journal->getPath(), 'article', 'view', array($article->getBestArticleId($journal), $galley->getBestGalleyId($journal)));
$dc11Description->addStatement('dc:relation', $relation);
unset($relation);
}
// supp file URLs
foreach ($suppFiles as $suppFile) {
$relation = Request::url($journal->getPath(), 'article', 'downloadSuppFile', array($article->getBestArticleId($journal), $suppFile->getBestSuppFileId($journal)));
$dc11Description->addStatement('dc:relation', $relation);
unset($relation);
}
// Public identifiers
$pubIdPlugins = (array) PluginRegistry::loadCategory('pubIds', true, $journal->getId());
foreach ($pubIdPlugins as $pubIdPlugin) {
if ($pubIssueId = $pubIdPlugin->getPubId($issue)) {
$dc11Description->addStatement('dc:source', $pubIssueId, METADATA_DESCRIPTION_UNKNOWN_LOCALE);
unset($pubIssueId);
}
if ($pubArticleId = $pubIdPlugin->getPubId($article)) {
$dc11Description->addStatement('dc:identifier', $pubArticleId);
unset($pubArticleId);
}
foreach ($galleys as $galley) {
if ($pubGalleyId = $pubIdPlugin->getPubId($galley)) {
$dc11Description->addStatement('dc:relation', $pubGalleyId);
unset($pubGalleyId);
}
}
foreach ($suppFiles as $suppFile) {
if ($pubSuppFileId = $pubIdPlugin->getPubId($suppFile)) {
$dc11Description->addStatement('dc:relation', $pubSuppFileId);
unset($pubSuppFileId);
}
}
}
// Coverage
$coverage = array_merge_recursive((array) $article->getCoverageGeo(null), (array) $article->getCoverageChron(null), (array) $article->getCoverageSample(null));
$this->_addLocalizedElements($dc11Description, 'dc:coverage', $coverage);
// Rights
$this->_addLocalizedElements($dc11Description, 'dc:rights', $journal->getSetting('copyrightNotice'));
Hookregistry::call('Dc11SchemaArticleAdapter::extractMetadataFromDataObject', array($this, $article, $journal, $issue, &$dc11Description));
return $dc11Description;
}
/**
* @see OAIMetadataFormat#toXML
*/
function toXml(&$record, $format = null)
{
$response = null;
if (!HookRegistry::call('OAIMetadataFormat_DC::toXml', array(&$this, $record, &$response))) {
$article =& $record->getData('article');
$journal =& $record->getData('journal');
$section =& $record->getData('section');
$issue =& $record->getData('issue');
$galleys =& $record->getData('galleys');
AppLocale::requireComponents(array(LOCALE_COMPONENT_APPLICATION_COMMON));
// Sources contains journal title, issue ID, and pages
$sources = $this->stripAssocArray((array) $journal->getTitle(null));
$pages = $article->getPages();
if (!empty($pages)) {
$pages = '; ' . $pages;
}
foreach ($sources as $key => $source) {
$sources[$key] .= '; ' . $issue->getIssueIdentification() . $pages;
}
// Format creators
$creators = array();
$authors = $article->getAuthors();
for ($i = 0, $num = count($authors); $i < $num; $i++) {
$authorName = $authors[$i]->getFullName(true);
$affiliation = $authors[$i]->getLocalizedAffiliation();
if (!empty($affiliation)) {
$authorName .= '; ' . $affiliation;
}
$creators[] = $authorName;
}
// Publisher
$publishers = $this->stripAssocArray((array) $journal->getTitle(null));
// Default
$publisherInstitution = $journal->getSetting('publisherInstitution');
if (!empty($publisherInstitution)) {
$publishers = array($journal->getPrimaryLocale() => $publisherInstitution);
}
// Contributor
$contributors = $this->stripAssocArray((array) $article->getSponsor(null));
foreach ($contributors as $key => $contributor) {
$contributors[$key] = array_map('trim', explode(';', $contributor));
}
// Types
$driverType = 'info:eu-repo/semantics/article';
$driverVersion = 'info:eu-repo/semantics/publishedVersion';
$types = $this->stripAssocArray((array) $section->getIdentifyType(null));
$types = array_merge_recursive(empty($types) ? array(AppLocale::getLocale() => __('rt.metadata.pkp.peerReviewed')) : $types, $this->stripAssocArray((array) $article->getType(null)));
// Formats
$formats = array();
foreach ($galleys as $galley) {
$formats[] = $galley->getFileType();
}
// Languages
$languages = array();
foreach ($galleys as $galley) {
$galleyLocale = $galley->getLocale();
$iso3 = AppLocale::getIso3FromLocale($galleyLocale);
if (!in_array($iso3, $languages)) {
$languages[] = $iso3;
}
}
// Relation
$relation = array();
// full texts URLs
foreach ($galleys as $galley) {
$relation[] = Request::url($journal->getPath(), 'article', 'view', array($article->getBestArticleId($journal), $galley->getBestGalleyId($journal)));
}
// supp files URLs
foreach ($article->getSuppFiles() as $suppFile) {
$relation[] = Request::url($journal->getPath(), 'article', 'downloadSuppFile', array($article->getBestArticleId($journal), $suppFile->getBestSuppFileId($journal)));
}
$response = "<oai_dc:dc\n" . "\txmlns:oai_dc=\"http://www.openarchives.org/OAI/2.0/oai_dc/\"\n" . "\txmlns:dc=\"http://purl.org/dc/elements/1.1/\"\n" . "\txmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n" . "\txsi:schemaLocation=\"http://www.openarchives.org/OAI/2.0/oai_dc/\n" . "\thttp://www.openarchives.org/OAI/2.0/oai_dc.xsd\">\n" . $this->formatElement('title', $this->stripAssocArray((array) $article->getTitle(null)), true) . $this->formatElement('creator', $creators) . $this->formatElement('subject', array_merge_recursive($this->stripAssocArray((array) $article->getDiscipline(null)), $this->stripAssocArray((array) $article->getSubject(null)), $this->stripAssocArray((array) $article->getSubjectClass(null))), true) . $this->formatElement('description', $this->stripAssocArray((array) $article->getAbstract(null)), true) . $this->formatElement('publisher', $publishers, true) . $this->formatElement('contributor', $contributors, true) . $this->formatElement('date', date('Y-m-d', strtotime($issue->getDatePublished()))) . $this->formatElement('type', $driverType) . $this->formatElement('type', $types, true) . $this->formatElement('type', $driverVersion) . $this->formatElement('format', $formats) . $this->formatElement('identifier', Request::url($journal->getPath(), 'article', 'view', array($article->getBestArticleId()))) . (($doi = $article->getDOI()) ? $this->formatElement('identifier', $doi, false) : '') . $this->formatElement('source', $sources, true) . $this->formatElement('language', $languages) . $this->formatElement('relation', $relation) . $this->formatElement('coverage', array_merge_recursive($this->stripAssocArray((array) $article->getCoverageGeo(null)), $this->stripAssocArray((array) $article->getCoverageChron(null)), $this->stripAssocArray((array) $article->getCoverageSample(null))), true) . $this->formatElement('rights', $this->stripAssocArray((array) $journal->getSetting('copyrightNotice'))) . "</oai_dc:dc>\n";
}
return $response;
}
