public function deserialize(array $data)
{
$cart = new Cart();
foreach ($data['rows'] as $id => $row) {
$meal = $this->manager->getRepository('AppBundle:Meal')->find($id);
if (!$meal) {
continue;
}
$row = new CartRow($meal, $row['quantity']);
$cart->addRow($row);
}
return $cart;
}
