/**
* Loads all the granted group G2 permissions for a specific
* album and returns an array with G3 groups ids and G3 permission ids.
*/
private static function _map_permissions($g2_album_id)
{
$g2_permissions = g2(GalleryCoreApi::fetchAllPermissionsForItem($g2_album_id));
$permissions = array();
foreach ($g2_permissions as $entry) {
// @todo Do something about user permissions? E.g. map G2's user albums
// to a user-specific group in G3?
if (!isset($entry["groupId"])) {
continue;
}
$g2_permission_id = $entry["permission"];
if (!isset(self::$_permission_map[$g2_permission_id])) {
continue;
}
$group_id = self::map($entry["groupId"]);
if ($group_id == null) {
// E.g. the G2 admin group isn't mapped.
continue;
}
$permission_id = self::$_permission_map[$g2_permission_id];
if (!isset($permissions[$group_id])) {
$permissions[$group_id] = array();
}
$permissions[$group_id][$permission_id] = 1;
}
return $permissions;
}