/**
* make sure documents related to Collection[Role|]s in subtree are updated
* (XML-Cache and server_date_published)
*
* @param Opus_Collection Starting point for recursive update to documents
*/
protected function updateDocuments($model)
{
if (is_null($model) || is_null($model->getId())) {
// TODO explain why this is right
return;
}
$collections = Opus_Db_TableGateway::getInstance('Opus_Db_Collections');
$collectionIdSelect = $collections->selectSubtreeById($model->getId(), 'id');
$documentFinder = new Opus_DocumentFinder();
$documentFinder->setCollectionId($collectionIdSelect);
// clear affected documents from cache
$xmlCache = new Opus_Model_Xml_Cache();
$xmlCache->removeAllEntriesWhereSubSelect($documentFinder->getSelectIds());
// update ServerDateModified for affected documents
$date = new Opus_Date();
$date->setNow();
Opus_Document::setServerDateModifiedByIds($date, $documentFinder->ids());
}
/**
* Retrieve all document ids for a valid oai request.
*
* @param array &$oaiRequest
* @return array
*/
public function query(array $oaiRequest)
{
$finder = new Opus_DocumentFinder();
// add server state restrictions
$finder->setServerStateInList($this->deliveringDocumentStates);
$metadataPrefix = $oaiRequest['metadataPrefix'];
if ('xMetaDissPlus' === $metadataPrefix || 'xMetaDiss' === $metadataPrefix) {
$finder->setFilesVisibleInOai();
}
if ('xMetaDiss' === $metadataPrefix) {
$finder->setTypeInList($this->xMetaDissRestriction);
}
if ('epicur' === $metadataPrefix) {
$finder->setIdentifierTypeExists('urn');
}
if (array_key_exists('set', $oaiRequest)) {
$setarray = explode(':', $oaiRequest['set']);
if (!isset($setarray[0])) {
return array();
}
if ($setarray[0] == 'doc-type') {
if (count($setarray) === 2 and !empty($setarray[1])) {
$finder->setType($setarray[1]);
} else {
return array();
}
} else {
if ($setarray[0] == 'bibliography') {
if (count($setarray) !== 2 or empty($setarray[1])) {
return array();
}
$setValue = $setarray[1];
$bibliographyMap = array("true" => 1, "false" => 0);
if (false === isset($setValue, $bibliographyMap[$setValue])) {
return array();
}
$finder->setBelongsToBibliography($bibliographyMap[$setValue]);
} else {
if (count($setarray) < 1 or count($setarray) > 2) {
$msg = "Invalid SetSpec: Must be in format 'set:subset'.";
throw new Oai_Model_Exception($msg);
}
// Trying to locate collection role and filter documents.
$role = Opus_CollectionRole::fetchByOaiName($setarray[0]);
if (is_null($role)) {
$msg = "Invalid SetSpec: Top level set does not exist.";
throw new Oai_Model_Exception($msg);
}
$finder->setCollectionRoleId($role->getId());
// Trying to locate given collection and filter documents.
if (count($setarray) == 2) {
$subsetName = $setarray[1];
$foundSubsets = array_filter($role->getOaiSetNames(), function ($s) use($subsetName) {
return $s['oai_subset'] === $subsetName;
});
if (count($foundSubsets) < 1) {
$msg = "Invalid SetSpec: Subset does not exist.";
throw new Oai_Model_Exception($msg);
}
foreach ($foundSubsets as $subset) {
if ($subset['oai_subset'] !== $subsetName) {
$msg = "Invalid SetSpec: Internal error.";
throw new Oai_Model_Exception($msg);
}
$finder->setCollectionId($subset['id']);
}
}
}
}
}
if (array_key_exists('from', $oaiRequest) and !empty($oaiRequest['from'])) {
$from = DateTime::createFromFormat('Y-m-d', $oaiRequest['from']);
$finder->setServerDateModifiedAfter($from->format('Y-m-d'));
}
if (array_key_exists('until', $oaiRequest)) {
$until = DateTime::createFromFormat('Y-m-d', $oaiRequest['until']);
$until->add(new DateInterval('P1D'));
$finder->setServerDateModifiedBefore($until->format('Y-m-d'));
}
return $finder->ids();
}
