public function getPrice($pricelist_id, $date, $qty = null)
{
$price = array('price' => 0, 'currency' => 'CNY');
$res = $this->fetchAll("pricelist_id = " . $pricelist_id . " and date <= '" . $date . "'", array("date desc"));
if ($res->count() > 0) {
$data = $res->toArray();
if ($qty) {
$ladder_qty = new Erp_Model_Warehouse_Ladderqty();
$price_ladder_qty = $ladder_qty->getPrice($data[0]['id'], $qty);
if ($price_ladder_qty['price'] > 0) {
$price = $price_ladder_qty;
} else {
$price['price'] = $data[0]['price'];
$price['currency'] = $data[0]['currency'];
}
} else {
$price['price'] = $data[0]['price'];
$price['currency'] = $data[0]['currency'];
}
}
return $price;
}
