<?php

namespace Entities;

use \Doctrine\Common\Collections\ArrayCollection, Entities\Feature;

/**
 * @Entity
 * @Table(name="products")
 */
class Product {
  /**
   * @Id @Column(type="integer")
   * @GeneratedValue(strategy="AUTO")
   */
  private $id;

  /**
   * @ManyToMany(targetEntity="Feature", cascade={"persist"})
   * @JoinTable(
   *    name="product_features",
   *    joinColumns={@JoinColumn(name="product_id", referencedColumnName="id")},
   *    inverseJoinColumns={@JoinColumn(name="feature_id", referencedColumnName="id")}
   * )
   */
  private $features;

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

  public function getId()
  {
    return $this->id;
  }

  public function addFeature(Feature $feature)
  {
    if (!$this->features->contains($feature))
    {
      $this->features->add($feature);
      $feature->addProduct($this);
    }
  }

  public function getFeatures()
  {
    return $this->features;
  }
}