public function memberGroupScope($member = 0)
{
//-1 mean admin so he should see all groups.
if ($member != -1) {
$usr = YBoardMember::findOne(\Yii::$app->user->id);
$this->andWhere(['membergroup_id' => 0]);
if ($usr !== null) {
$this->orWhere(['membergroup_id' => $usr->group_id]);
}
}
return $this;
}
