static function fillGroups(&$notices)
{
$ids = self::_idsOf($notices);
$gis = Group_inbox::listGet('notice_id', $ids);
$gids = array();
foreach ($gis as $id => $gi) {
foreach ($gi as $g) {
$gids[] = $g->group_id;
}
}
$gids = array_unique($gids);
$group = User_group::pivotGet('id', $gids);
foreach ($notices as $notice) {
$grps = array();
$gi = $gis[$notice->id];
foreach ($gi as $g) {
$grps[] = $group[$g->group_id];
}
$notice->_setGroups($grps);
}
}
