public static function GetRate($id, $time = null)
{
if ($time == null) {
$time = Record::writeDate(time());
}
$date = Currates::find()->andWhere(['currency_id' => $id])->andFilterWhere(['>=', 'date', $time])->orderBy(['date' => SORT_ASC])->One();
if ($date == null) {
//no value then get latest
$date = Currates::find()->andWhere(['currency_id' => $id])->orderBy(['date' => SORT_DESC])->One();
}
if ($date == null) {
//no rate
return 1;
}
return $date->value;
}