public function insertMrngOrder()
{
require 'models/Stocks_model.php';
$readingPetrol = $_POST['petrol'];
$readingSPetrol = $_POST['spetrol'];
$readingDiesel = $_POST['diesel'];
$readingSDiesel = $_POST['sdiesel'];
$qntyPetrol = $_POST['qntyPetrol'];
$qntySPetrol = $_POST['qntySPetrol'];
$qntyDiesel = $_POST['qntyDiesel'];
$qntySDiesel = $_POST['qntySDiesel'];
$orderpetrol = $_POST['orderPetrol'];
$orderspetrol = $_POST['orderSPetrol'];
$orderdiesel = $_POST['orderDiesel'];
$ordersdiesel = $_POST['orderSDiesel'];
$model = new Stocks_model();
$model->insertMrngOrder($readingPetrol, $qntyPetrol, $orderpetrol, $readingSPetrol, $qntySPetrol, $orderspetrol, $readingDiesel, $qntyDiesel, $orderdiesel, $readingSDiesel, $qntySDiesel, $ordersdiesel);
$model->updateTank($qntyPetrol, $qntySPetrol, $qntyDiesel, $qntySDiesel);
echo "DONE";
}