/**
* Load a single item by itemKey only if it belongs to a specific collection
*
* @param Zotero_Library $library
* @param string $itemKey
* @param string $collectionKey
* @return Zotero_Item
*/
function fetchCollectionItem($library, $itemKey, $collectionKey)
{
$citemKey = $itemKey . ',';
//hackish way to get a single item by itemKey + collectionKey by forcing itemKey into querystring
$aparams = array('target' => 'items', 'content' => 'json', 'itemKey' => $itemKey, 'collectionKey' => $collectionKey);
$reqUrl = $library->apiRequestUrl($aparams) . $library->apiQueryString($aparams);
$response = $library->_request($reqUrl, 'GET');
if ($response->isError()) {
return false;
throw new Exception("Error fetching items");
}
$body = $response->getRawBody();
$doc = new DOMDocument();
$doc->loadXml($body);
$entries = $doc->getElementsByTagName("entry");
if (!$entries->length) {
return false;
throw new Exception("no item with specified key found");
} else {
$entry = $entries->item(0);
$item = new Zotero_Item($entry);
$library->items->addItem($item);
return $item;
}
}
public function getChildren()
{
//short circuit if has item has no children
if (!$this->numChildren) {
//} || (this.parentItemKey !== false)){
return array();
}
$config = array('target' => 'children', 'libraryType' => $this->owningLibrary->libraryType, 'libraryID' => $this->owningLibrary->libraryID, 'itemKey' => $this->itemKey, 'content' => 'json');
$requestUrl = $this->owningLibrary->apiRequestString($config);
$response = $this->owningLibrary->_request($requestUrl, 'GET');
//load response into item objects
$fetchedItems = array();
if ($response->isError()) {
return false;
throw new Exception("Error fetching items");
}
$feed = new Zotero_Feed($response->getRawBody());
$fetchedItems = $this->owningLibrary->items->addItemsFromFeed($feed);
return $fetchedItems;
}
