/**
* Duplicate an item in destination folder/community.
*
* Create a new item (same as old one) in destination folder/community. The new item
* have the same metadata and revisions with the old one, but its owner is set as the
* input userDao parameter (who run this operation) and access policy is based on
* the input folderDao parameter (destination folder)
*
* @param ItemDao $itemDao the item to be duplicated
* @param UserDao $userDao the user who run this operation
* @param FolderDao $folderDao destination folder
* @return ItemDao
* @throws Zend_Exception on invalid input parameters (itemDao, userDao and folderDao)
*/
public function duplicateItem($itemDao, $userDao, $folderDao)
{
if (!$itemDao instanceof ItemDao || !$folderDao instanceof FolderDao) {
throw new Zend_Exception('Error in ItemDao or FolderDao when duplicating item');
}
if (!$userDao instanceof UserDao) {
throw new Zend_Exception('Should be an user.');
}
/** @var BitstreamModel $BitstreamModel */
$BitstreamModel = MidasLoader::loadModel('Bitstream');
$name = $itemDao->getName();
$description = $itemDao->getDescription();
$newItem = $this->createItem($name, $description, $folderDao);
$newItem->setType($itemDao->getType());
$newItem->setSizebytes($itemDao->getSizebytes());
$newItem->setDateCreation(date('Y-m-d H:i:s'));
$newItem->setDateUpdate(date('Y-m-d H:i:s'));
$thumbnailId = $itemDao->getThumbnailId();
if ($thumbnailId !== null) {
$oldThumb = $BitstreamModel->load($thumbnailId);
$newThumb = new BitstreamDao();
$newThumb->setItemrevisionId(-1);
$newThumb->setName($oldThumb->getName());
$newThumb->setMimetype($oldThumb->getMimetype());
$newThumb->setSizebytes($oldThumb->getSizebytes());
$newThumb->setChecksum($oldThumb->getChecksum());
$newThumb->setPath($oldThumb->getPath());
$newThumb->setAssetstoreId($oldThumb->getAssetstoreId());
$newThumb->setDate($oldThumb->getDate());
$BitstreamModel->save($newThumb);
$newItem->setThumbnailId($newThumb->getKey());
}
/** @var ItemRevisionModel $ItemRevisionModel */
$ItemRevisionModel = MidasLoader::loadModel('ItemRevision');
/** @var BitstreamModel $BitstreamModel */
$BitstreamModel = MidasLoader::loadModel('Bitstream');
/** @var MetadataModel $MetadataModel */
$MetadataModel = MidasLoader::loadModel('Metadata');
/** @var ItempolicygroupModel $ItemPolicyGroupModel */
$ItemPolicyGroupModel = MidasLoader::loadModel('Itempolicygroup');
$ItemPolicyGroupModel->computePolicyStatus($newItem);
foreach ($itemDao->getRevisions() as $revision) {
$dupItemRevision = new ItemRevisionDao();
$dupItemRevision->setItemId($newItem->getItemId());
$dupItemRevision->setRevision($revision->getRevision());
$dupItemRevision->setDate($revision->getDate());
$dupItemRevision->setChanges($revision->getChanges());
$dupItemRevision->setUserId($userDao->getUserId());
$dupItemRevision->setLicenseId($revision->getLicenseId());
$ItemRevisionModel->save($dupItemRevision);
// duplicate metadata value
$metadatavalues = $ItemRevisionModel->getMetadata($revision);
foreach ($metadatavalues as $metadata) {
$MetadataModel->addMetadataValue($dupItemRevision, $metadata->getMetadatatype(), $metadata->getElement(), $metadata->getQualifier(), $metadata->getValue(), false);
}
// duplicate bitstream
foreach ($revision->getBitstreams() as $bitstream) {
$dupBitstream = new BitstreamDao();
$dupBitstream->setItemrevisionId($dupItemRevision->getItemrevisionId());
$dupBitstream->setName($bitstream->getName());
$dupBitstream->setMimetype($bitstream->getMimetype());
$dupBitstream->setSizebytes($bitstream->getSizebytes());
$dupBitstream->setChecksum($bitstream->getChecksum());
$dupBitstream->setPath($bitstream->getPath());
$dupBitstream->setAssetstoreId($bitstream->getAssetstoreId());
$dupBitstream->setDate($bitstream->getDate());
$BitstreamModel->save($dupBitstream);
}
}
$this->save($newItem, true);
// call save with metadata changed flag
return $newItem;
}
