public function memberToAtom($userID)
{
if (!is_int($userID)) {
throw new Exception("userID must be an integer (was " . gettype($userID) . ")");
}
if (!$this->loaded) {
$this->load();
}
$groupUserData = $this->getUserData($userID);
if (!$groupUserData) {
throw new Exception("User {$userID} is not a member of group {$this->id}", Z_ERROR_USER_NOT_GROUP_MEMBER);
}
$xml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?>' . '<entry xmlns="' . Zotero_Atom::$nsAtom . '" ' . 'xmlns:zapi="' . Zotero_Atom::$nsZoteroAPI . '" ' . 'xmlns:xfer="' . Zotero_Atom::$nsZoteroTransfer . '"/>');
// If we know the username, provide that
// TODO: get and cache full names
if (Zotero_Users::exists($userID)) {
$title = Zotero_Users::getUsername($userID);
} else {
$title = "User {$userID}";
}
$xml->title = $title;
$author = $xml->addChild('author');
$author->name = "Zotero";
$author->uri = "http://zotero.org";
$xml->id = Zotero_URI::getGroupUserURI($this, $userID);
$xml->published = Zotero_Date::sqlToISO8601($groupUserData['joined']);
$xml->updated = Zotero_Date::sqlToISO8601($groupUserData['lastUpdated']);
$link = $xml->addChild("link");
$link['rel'] = "self";
$link['type'] = "application/atom+xml";
$link['href'] = Zotero_API::getGroupUserURI($this, $userID);
$link = $xml->addChild('link');
$link['rel'] = 'alternate';
$link['type'] = 'text/html';
$link['href'] = Zotero_URI::getGroupUserURI($this, $userID);
$xml->content['type'] = 'application/xml';
$userXML = new SimpleXMLElement('<user xmlns="' . Zotero_Atom::$nsZoteroTransfer . '"/>');
// This method of adding the element seems to be necessary to get the
// namespace prefix to show up
$fNode = dom_import_simplexml($xml->content);
$subNode = dom_import_simplexml($userXML);
$importedNode = $fNode->ownerDocument->importNode($subNode, true);
$fNode->appendChild($importedNode);
$xml->content->user['id'] = $userID;
$xml->content->user['role'] = $groupUserData['role'];
return $xml;
}