<?php

namespace AppBundle\Model;

use Symfony\Component\HttpFoundation\Session\Session;

/**
 * Class Cart
 * @author Simon Vieille <simon@deblan.fr>
 */
class Cart
{
    protected $prestations = [];

    protected $session;

    public function __construct(Session $session)
    {
        $this->session = $session;

        $sessionCart = $this->session->get('cart');

        if ($sessionCart !== null) {
            $this->setPrestations($sessionCart->getPrestations());
        }
    }

    public function addPrestation($id)
    {
        if (!in_array($id, $this->prestations)) {
            $this->prestations[] = $id;
        }

        return $this;
    }

    public function getPrestations()
    {
        return $this->prestations;
    }

    public function setPrestations(array $prestations)
    {
        $this->prestations = $prestations;

        return $this;
    }

    public function update()
    {
        $this->session->set('cart', $this);
    }
}