/**
* Write a modified collection object back to the api
*
* @param Zotero_Collection $collection to modify
* @return Zotero_Response
*/
public function writeUpdatedCollection($collection)
{
$json = $collection->collectionJson();
$aparams = array('target' => 'collection', 'collectionKey' => $collection->collectionKey);
$reqUrl = $this->apiRequestUrl($aparams) . $this->apiQueryString($aparams);
$response = $this->_request($reqUrl, 'PUT', $json, array('If-Match' => $collection->etag));
return $response;
}
/**
* Delete a collection from the library
*
* @param Zotero_Collection $collection collection object to be deleted
* @return Zotero_Response
*/
public function removeCollection($collection)
{
$aparams = array('target' => 'collection', 'collectionKey' => $collection->collectionKey);
$reqUrl = $this->apiRequestString($aparams);
$response = $this->_request($reqUrl, 'DELETE', null, array('If-Unmodified-Since-Version' => $collection->get('collectionVersion')));
return $response;
}
/**
* Converts a Zotero_Collection object to a SimpleXMLElement item
*
* @param object $item Zotero_Collection object
* @return SimpleXMLElement Collection data as SimpleXML element
*/
public static function convertCollectionToXML(Zotero_Collection $collection)
{
$xml = new SimpleXMLElement('<collection/>');
$xml['libraryID'] = $collection->libraryID;
$xml['key'] = $collection->key;
$xml['name'] = $collection->name;
$xml['dateAdded'] = $collection->dateAdded;
$xml['dateModified'] = $collection->dateModified;
if ($collection->parent) {
$parentCol = self::get($collection->libraryID, $collection->parent);
$xml['parent'] = $parentCol->key;
}
$children = $collection->getChildren();
if ($children) {
$keys = array();
foreach ($children as $child) {
if ($child['type'] == 'item') {
$keys[] = $child['key'];
}
}
if ($keys) {
$xml->items = implode(' ', $keys);
}
}
return $xml;
}
public static function updateFromJSON(Zotero_Collection $collection, $json, $isNew = false)
{
self::validateJSONCollection($json);
Zotero_DB::beginTransaction();
$timestamp = Zotero_Libraries::updateTimestamps($collection->libraryID);
Zotero_DB::registerTransactionTimestamp($timestamp);
$collection->name = $json->name;
$parentKey = $json->parent;
if ($parentKey) {
$collection->parentKey = $parentKey;
} else {
$collection->parent = false;
}
$collection->save();
Zotero_DB::commit();
}
