Cart Instance

CartExample.php

<?php

namespace FrontEnd\CartBundle\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * CartItem
 *
 * @ORM\Table()
 * @ORM\Entity
 */
class CartItem
{
    /**
     * @var integer
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    public $id;

    /**
     * @var Cart
     *
     * @ORM\ManyToOne(targetEntity="FrontEnd\CartBundle\Entity\Cart", inversedBy="items")
     */
    public $cart;

    /**
     * @var int
     *
     * @ORM\Column(name="quantity", type="integer")
     */
    public $quantity;

    /**
     * @var decimal
     *
     * @ORM\Column(name="amount", type="decimal")
     */
    public $amount;
    
    /**
     * @var decimal
     *
     * @ORM\Column(name="item", type="string")
     */
    public $item;

    /**
     * @var decimal
     *
     * @ORM\Column(name="checkbox", type="boolean")
     */
    public $checkbox;

}

<?php

namespace FrontEnd\CartBundle\Entity;

use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Collections\ArrayCollection;

/**
 * Cart
 *
 * @ORM\Table()
 * @ORM\Entity(repositoryClass="FrontEnd\CartBundle\Entity\CartRepository")
 */
class Cart
{
    /**
     * @var integer
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    public $id;

    /**
     * @var CartItem[] $items
     *
     * @ORM\OneToMany(targetEntity="FrontEnd\CartBundle\Entity\CartItem", mappedBy="cart", cascade={"all"})
     */
    public $items;

    public function __construct()
    {
        $this->items = new ArrayCollection();
    }

}



//Controller Method
 /**
     * Checkout
     *
   */
    public function checkoutAction()
    {
        $entity = $this->session->get('cart');

        $om = $this->getDoctrine()->getManager();

        //Load old data HERE
        $form = $this->createCreateForm($entity, $om);

        return array(
            'entity' => $entity,
            'form'   => $form->createView(),
        );
    }