public function addMembers()
{
if ($this->members) {
foreach (explode(',', $this->members) as $user_id) {
$cgu = new ChatGroupUser();
$cgu->group_id = $this->id;
$cgu->user_id = $user_id;
$cgu->status = ChatGroupUser::STATUS_ACTIVE;
$cgu->is_admin = 0;
$cgu->save();
}
}
}
