/**
* redirects OPUS 3.x file names to the corresponding OPUS 4.0 file names
* in addition it returns HTTP code 301 (moved permanently)
*/
public function opus3fileAction()
{
$docid = $this->getRequest()->getParam('opus3id');
$filename = $this->getRequest()->getParam('filename');
if (empty($docid) || empty($filename)) {
return $this->_redirectToAndExit('index', array('failure' => 'missing argument'), 'index', 'home');
}
$f = new Opus_DocumentFinder();
$ids = $f->setIdentifierTypeValue('opus3-id', $docid)->ids();
if (count($ids) < 1) {
return $this->_redirectToAndExit('index', array('failure' => 'given opus3id is unknown'), 'index', 'home');
}
if (count($ids) > 1) {
return $this->_redirectToAndExit('index', array('failure' => 'given opus3id is not unique'), 'index', 'home');
}
return $this->_redirect($this->getRequest()->getBaseUrl() . '/files/' . $ids[0] . '/' . $filename, array('prependBase' => false, 'code' => 301));
}
protected function _preStore()
{
$type = $this->getType();
$value = $this->getValue();
if (isset($type) and isset($value) and $type === 'urn') {
$finder = new Opus_DocumentFinder();
$docIds = $finder->setIdentifierTypeValue('urn', $value)->ids();
$errorMsg = "urn collision (documents " . implode(",", $docIds) . ")";
if ($this->isNewRecord() and count($docIds) > 0) {
throw new Opus_Identifier_UrnAlreadyExistsException($errorMsg);
}
if (count($docIds) > 1) {
throw new Opus_Identifier_UrnAlreadyExistsException($errorMsg);
}
if (count($docIds) == 1 and !in_array($this->getParentId(), $docIds)) {
throw new Opus_Identifier_UrnAlreadyExistsException($errorMsg);
}
}
return parent::_preStore();
}
/**
* prevent URN collisions: check that given URN is unique (in our database)
*/
private function _validateURN()
{
if (!array_key_exists('IdentifierUrn', $this->extendedData)) {
return true;
}
$urn = $this->extendedData['IdentifierUrn'];
$value = $urn['value'];
if (trim($value) == '') {
return true;
}
// check URN $urn for collision
$finder = new Opus_DocumentFinder();
$finder->setIdentifierTypeValue('urn', $value);
if ($finder->count() == 0) {
return true;
}
$element = $this->form->getElement('IdentifierUrn');
if (!is_null($element)) {
$element->clearErrorMessages();
$element->addError($this->translate('publish_error_urn_collision'));
}
return false;
}
/**
* Retrieve a document id by an oai identifier.
*
* @param string $oaiIdentifier
* @result int
*/
private function getDocumentIdByIdentifier($oaiIdentifier)
{
$identifierParts = explode(":", $oaiIdentifier);
$docId = null;
switch ($identifierParts[0]) {
case 'urn':
$finder = new Opus_DocumentFinder();
$finder->setIdentifierTypeValue('urn', $oaiIdentifier);
$finder->setServerStateInList($this->_deliveringDocumentStates);
$docIds = $finder->ids();
$docId = $docIds[0];
break;
case 'oai':
if (isset($identifierParts[2])) {
$docId = $identifierParts[2];
}
break;
default:
throw new Oai_Model_Exception('The prefix of the identifier argument is unknown.', Oai_Model_Error::BADARGUMENT);
break;
}
if (empty($docId) or !preg_match('/^\\d+$/', $docId)) {
throw new Oai_Model_Exception('The value of the identifier argument is unknown or illegal in this repository.', Oai_Model_Error::IDDOESNOTEXIST);
}
return $docId;
}
/**
* Retrieve an array of all document_id titles associated with the given
* (identifier, value)
*
* @param string $value value of the identifer that should be queried in DB
* @param string [$type] optional string describing the type of identifier (default is urn)
* @return array array with all ids of the entries.
*
* @deprecated
*/
public static function getDocumentByIdentifier($value, $type = 'urn')
{
$finder = new Opus_DocumentFinder();
$finder->setIdentifierTypeValue($type, $value);
return $finder->ids();
}
