//----------------------------------------------------------------------------------------
+function get_purchase_data($supplier_id, $stock_id)
+{
+ $sql = "SELECT * FROM ".TB_PREF."purch_data
+ WHERE supplier_id = '" . $supplier_id . "'
+ AND stock_id = '". $stock_id . "'";
+ $result = db_query($sql, "The supplier pricing details for " . $stock_id . " could not be retrieved");
+
+ return db_fetch($result);
+}
+
+function add_or_update_purchase_data($supplier_id, $stock_id, $price, $description="", $uom="")
+{
+ $data = get_purchase_data($supplier_id, $stock_id);
+ if ($data === false)
+ {
+ $sql = "INSERT INTO ".TB_PREF."purch_data (supplier_id, stock_id, price, suppliers_uom,
+ conversion_factor, supplier_description) VALUES ('$supplier_id', '$stock_id',
+ $price, '$uom', 1, '$description')";
+ db_query($sql,"The supplier purchasing details could not be added");
+ return;
+ }
+ $price = round($price * $data['conversion_factor'], user_price_dec());
+ $sql = "UPDATE ".TB_PREF."purch_data SET price=$price";
+ if ($uom != "")
+ $sql .= ",suppliers_uom='$uom'";
+ if ($description != "")
+ $sql .= ",supplier_description='$description'";
+ $sql .= " WHERE stock_id='$stock_id' AND supplier_id='$supplier_id'";
+ db_query($sql,"The supplier purchasing details could not be updated");
+ return true;
+}
?>
\ No newline at end of file