public function getActivities(UserId $userId, $groupId, $first, $max, SecurityToken $token)
{
$ids = array();
$type = is_object($groupId) ? $groupId->getType() : 'self';
switch ($type) {
case 'all':
case 'friends':
$friendIds = XmlStateFileFetcher::get()->getFriendIds();
$friendIds = isset($friendIds[$userId->getUserId($token)]) ? $friendIds[$userId->getUserId($token)] : null;
if ($friendIds != null) {
$ids = $friendIds;
}
break;
case 'self':
$ids[] = $userId->getUserId($token);
break;
}
$allActivities = XmlStateFileFetcher::get()->getActivities();
$activities = array();
foreach ($ids as $id) {
if (isset($allActivities[$id])) {
//FIXME return one big collection with the activities mixed, atleast thats what i think the spec suggests :)
$activities = array_merge($activities, $allActivities[$id]);
}
}
// TODO: Sort them
return new ResponseItem(null, null, RestfulCollection::createFromEntry($activities));
}
/**
* Paginates the results set according to the critera specified by the options.
*/
private static function paginateResults($results, $options)
{
if (!$options) {
return RestfulCollection::createFromEntry($results);
} else {
$startIndex = $options->getStartIndex();
$count = $options->getCount();
$totalResults = count($results);
// NOTE: Assumes the index is 0 based.
$results = array_slice($results, $startIndex, $count);
$ret = new RestfulCollection($results, $startIndex, $totalResults);
$ret->setItemsPerPage($count);
return $ret;
}
}
