/**
* Generates a new URN for any document that has no URN assigned yet.
* URN's are generated for Opus_Document instances only.
*/
public function postStoreInternal(Opus_Model_AbstractDb $model)
{
if (!$model instanceof Opus_Document) {
return;
}
if ($model->getServerState() !== 'published') {
return;
}
$config = Zend_Registry::get('Zend_Config');
$log = Zend_Registry::get('Zend_Log');
$log->debug('IdentifierUrn postStoreInternal for ' . $model->getDisplayName());
if (!isset($config->urn->autoCreate) or $config->urn->autoCreate != '1') {
$log->debug('URN auto creation is not configured. skipping...');
return;
}
if (!isset($config->urn->nid) || !isset($config->urn->nss)) {
throw new Opus_Document_Exception('URN data is not present in config. Aborting...');
}
$log->debug('config.ini is set to support urn auto generation');
if ($this->urnAlreadyPresent($model)) {
$log->debug('Model ' . $model->getDisplayName() . ' already has a URN. Skipping automatic generation.');
return;
}
if (!$this->allowUrnOnThisDocument($model)) {
$log->debug('Model ' . $model->getDisplayName() . ' has no oai-visible files. Skipping automatic URN generation.');
return;
}
$log->debug('Generating URN for document ' . $model->getDisplayName());
$nid = $config->urn->nid;
$nss = $config->urn->nss;
$urn = new Opus_Identifier_Urn($nid, $nss);
$urn_value = $urn->getUrn($model->getId());
$urn_model = new Opus_Identifier();
$urn_model->setValue($urn_value);
$urn_model->setType('urn');
$model->addIdentifier($urn_model);
$model->addIdentifierUrn($urn_model);
}
/**
* Add URN identifer if no identifier has been added yet.
*
* @return void
*/
protected function _storeIdentifierUrn($identifiers)
{
if (!is_array($identifiers)) {
$identifiers = array($identifiers);
}
if ($this->isIdentifierSet($identifiers)) {
// get constructor values from configuration file
// if nothing has been configured there, do not build an URN!
// at least the first two values MUST be set
$config = Zend_Registry::get('Zend_Config');
if (isset($config) && is_object($config->urn)) {
$nid = $config->urn->nid;
$nss = $config->urn->nss;
if (!empty($nid) && !empty($nss)) {
$urn = new Opus_Identifier_Urn($nid, $nss);
$urn_value = $urn->getUrn($this->getId());
$urn_model = new Opus_Identifier();
$urn_model->setValue($urn_value);
$this->setIdentifierUrn($urn_model);
}
}
}
$options = null;
if (array_key_exists('options', $this->_externalFields['IdentifierUrn'])) {
$options = $this->_externalFields['IdentifierUrn']['options'];
}
$this->_storeExternal($this->_fields['IdentifierUrn']->getValue(), $options);
}
