Book Model

Book.php

<?php

namespace Matiit\Bundle\BookBundle\Entity;

use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\ORM\Mapping as ORM;
use Matiit\Bundle\BookBundle\Form\Type\BookCoverType;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use Symfony\Component\Validator\Constraints as Assert;

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

    /**
     * @var string
     *
     * @ORM\Column(name="title", type="string", length=255)
     */
    private $title;

    /**
     * @var integer
     *
     * @ORM\Column(name="length", type="integer")
     */
    private $length;

    /**
     * @var integer
     *
     * @ORM\Column(name="category_id", type="integer")
     */
    private $categoryId;

    /**
     * @var string
     *
     * @ORM\Column(name="path", type="string", length=512)
     */
    private $path;

	/**
	 * @ORM\ManyToOne(targetEntity="Category", inversedBy="books")
	 * @ORM\JoinColumn(name="category_id", referencedColumnName="id")
	 */
	protected $category;

	/**
	 * @ORM\OneToMany(targetEntity="BookCover", mappedBy="book")
	 */
	protected $covers;

	public function getAbsolutePath()
	{
		return null === $this->path
			? null
			: $this->getUploadRootDir().'/'.$this->path;
	}

	public function getWebPath()
	{
		return null === $this->path
			? null
			: $this->getUploadDir().'/'.$this->path;
	}

	protected function getUploadRootDir()
	{
		// the absolute directory path where uploaded
		// documents should be saved
		return __DIR__.'/../../../../../web/'.$this->getUploadDir();
	}

	protected function getUploadDir()
	{
		// get rid of the __DIR__ so it doesn't screw up
		// when displaying uploaded doc/image in the view.
		return 'uploads/books';
	}

	/**
	 * @Assert\File(maxSize="6000000")
	 */
	private $file;


	/**
	 * Sets file.
	 *
	 * @param UploadedFile $file
	 */
	public function setFile(UploadedFile $file = null)
	{
		$this->file = $file;
	}

	/**
	 * Get file.
	 *
	 * @return UploadedFile
	 */
	public function getFile()
	{
		return $this->file;
	}

	public function upload()
	{
		// the file property can be empty if the field is not required
		if (null === $this->getFile()) {
			return;
		}

		// use the original file name here but you should
		// sanitize it at least to avoid any security issues

		// move takes the target directory and then the
		// target filename to move to
		$this->getFile()->move(
			$this->getUploadRootDir(),
			$this->getFile()->getClientOriginalName()
		);

		// set the path property to the filename where you've saved the file
		$this->path = $this->getFile()->getClientOriginalName();

		// clean up the file property as you won't need it anymore
		$this->file = null;
	}

    /**
     * Get id
     *
     * @return integer
     */
    public function getId()
    {
        return $this->id;
    }

    /**
     * Set title
     *
     * @param string $title
     * @return Book
     */
    public function setTitle($title)
    {
        $this->title = $title;

        return $this;
    }

    /**
     * Get title
     *
     * @return string
     */
    public function getTitle()
    {
        return $this->title;
    }

    /**
     * Set length
     *
     * @param integer $length
     * @return Book
     */
    public function setLength($length)
    {
        $this->length = $length;

        return $this;
    }

    /**
     * Get length
     *
     * @return integer
     */
    public function getLength()
    {
        return $this->length;
    }

    /**
     * Set categoryId
     *
     * @param integer $categoryId
     * @return Book
     */
    public function setCategoryId($categoryId)
    {
        $this->categoryId = $categoryId;

        return $this;
    }

    /**
     * Get categoryId
     *
     * @return integer
     */
    public function getCategoryId()
    {
        return $this->categoryId;
    }

    /**
     * Set path
     *
     * @param string $path
     * @return Book
     */
    public function setPath($path)
    {
        $this->path = $path;

        return $this;
    }

    /**
     * Get path
     *
     * @return string
     */
    public function getPath()
    {
        return $this->path;
    }

    /**
     * Set category
     *
     * @param \Matiit\Bundle\BookBundle\Entity\Category $category
     * @return Book
     */
    public function setCategory(\Matiit\Bundle\BookBundle\Entity\Category $category = null)
    {
        $this->category = $category;

        return $this;
    }


    /**
     * Get category
     *
     * @return \Matiit\Bundle\BookBundle\Entity\Category
     */
    public function getCategory()
    {
        return $this->category;
    }

	/**
	 * @return \Matiit\Bundle\BookBundle\Entity\BookCover
	 */
	public function getCovers() {
		return $this->covers;
	}

	public function setCovers(ArrayCollection $covers) {
		$this->covers = $covers;
	}

	public function addCover(BookCoverType $cover) {
		$this->covers[] = $cover;
	}


}