Entity

<?php

namespace Garethp\PhotosBundle\Entity;

use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use Symfony\Component\Validator\Constraints as Assert;

/**
 * @ORM\Entity
 * @ORM\HasLifecycleCallbacks
 */
class Photo
{
    /**
     * @var integer
     */
    private $id;

    /**
     * @var string
     */
    private $title;

    /**
     * @var string
     */
    private $filename;

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

    /**
     * @var \DateTime
     */
    private $timestamp;

    private $temp;

    public function __construct()
    {
        $this->setTimestamp(new \DateTime());
    }

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

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

        return $this;
    }

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

    /**
     * Set filename
     *
     * @param string $filename
     * @return Photo
     */
    public function setFilename($filename)
    {
        $this->filename = $filename;

        return $this;
    }

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

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

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

    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/photos';
    }

    public function upload()
    {
        if(null === $this->getFile())
            return;

        if(isset($this->temp))
        {
            unlink($this->temp);
            $this->temp = null;
        }

        $this->getFile()->move(
            $this->getUploadRootDir(),
            $this->id . " - " . $this->getFile()->getClientOriginalName()
        );

        $this->setFile(null);
    }

    public function storeFilenameForRemove()
    {
        $this->temp = $this->getAbsolutePath();
    }

    public function removeUpload()
    {
        if(isset($this->temp))
        {
            unlink($this->temp);
        }
    }

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

        if(is_file($this->getAbsolutePath()))
        {
            $this->temp = $this->getAbsolutePath();
        }
        else
        {
            $this->filename = 'initial';
        }
    }

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

    public function preUpload()
    {
        if (null !== $this->getFile()) {
            $this->filename = $this->getFile()->getClientOriginalName();
        }
    }

    /**
     * Set timestamp
     *
     * @param \DateTime $timestamp
     * @return Photo
     */
    public function setTimestamp($timestamp)
    {
        $this->timestamp = $timestamp;

        return $this;
    }

    /**
     * Get timestamp
     *
     * @return \DateTime
     */
    public function getTimestamp()
    {
        return $this->timestamp;
    }
}