<?php
// src/Acme/EntityBundle/Entity/File.php
namespace Acme\EntityBundle\Entity;

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

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

    /**
     * @ORM\Column(type="string", length=255)
     * @Assert\NotBlank
     */
    public $title;

     /**
     * @ORM\ManyToMany(targetEntity="\Acme\EntityBundle\Entity\Text", mappedBy="files")
        odkazuje na text, ve kterem je pouzit
      *
      */

    private $text;

    /**
     * @ORM\Column(type="string", length=255, nullable=true)
     */
    public $path;

    /**
     * @ORM\Column(type="text", nullable=true)
     */
    private $content;

    /**
     * @ORM\Column(type="integer")
     */
    protected $author;

    /**
     * @ORM\Column(type="datetime")
     */
    protected $date;


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

    /**
     * @ORM\Column(type="text", nullable=true)
     */
    private $uploadDir;

    private $temp;


    // set default upload dir
    public function __construct() {
        $this->setUploadDir();
    }

        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();
    }

    public function setUploadDir($uploadDir = 'uploads/files')
    {
        $this->uploadDir = $uploadDir;
        return $this;
    }

    public function getUploadDir()
    {
        // get rid of the __DIR__ so it doesn't screw up
        // when displaying uploaded doc/image in the view.
        return $this->uploadDir;
    }

    /**
     * Sets file.
     *
     * @param UploadedFile $file
     */
    public function setFile(UploadedFile $file = null)
    {
        $this->file = $file;
        // check if we have an old image path
        if (isset($this->path)) {
            // store the old name to delete after the update
            $this->temp = $this->path;
            $this->path = null;
        } else {
            $this->path = 'initial';
        }
    }

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

    /**
     * @ORM\PrePersist()
     * @ORM\PreUpdate()
     */
    public function preUpload()
    {
        if (null !== $this->getFile()) {
            // do whatever you want to generate a unique name
            $filename = sha1(uniqid(mt_rand(), true));
            $this->path = $filename.'.'.$this->getFile()->guessExtension();
        }
    }
/**
     * @ORM\PostPersist()
     * @ORM\PostUpdate()
     */
    public function upload()
    {
        if (null === $this->getFile()) {
            return;
        }

        // if there is an error when moving the file, an exception will
        // be automatically thrown by move(). This will properly prevent
        // the entity from being persisted to the database on error
        $this->getFile()->move($this->getUploadRootDir(), $this->path);

        // check if we have an old image
        if (isset($this->temp)) {
            // delete the old image
            unlink($this->getUploadRootDir().'/'.$this->temp);
            // clear the temp image path
            $this->temp = null;
        }
        $this->file = null;
    }

    /**
     * @ORM\PostRemove()
     */
    public function removeUpload()
    {
        if ($file = $this->getAbsolutePath()) {
            unlink($file);
        }
    }

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

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

        return $this;
    }

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

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

        return $this;
    }

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

    /**
     * Set content
     *
     * @param string $content
     * @return File
     */
    public function setContent($content)
    {
        $this->content = $content;

        return $this;
    }

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

    /**
     * Set author
     *
     * @param integer $author
     * @return File
     */
    public function setAuthor($author)
    {
        $this->author = $author;

        return $this;
    }

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

    /**
     * Set date
     *
     * @param \DateTime $date
     * @return File
     */
    public function setDate($date)
    {
        $this->date = $date;

        return $this;
    }

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



    /**
     * Add text
     *
     * @param \Acme\EntityBundle\Entity\Text $text
     * @return File
     */
    public function addText(\Acme\EntityBundle\Entity\Text $text)
    {
        $this->text[] = $text;

        return $this;
    }

    /**
     * Remove text
     *
     * @param \Acme\EntityBundle\Entity\Text $text
     */
    public function removeText(\Acme\EntityBundle\Entity\Text $text)
    {
        $this->text->removeElement($text);
    }

    /**
     * Get text
     *
     * @return \Doctrine\Common\Collections\Collection
     */
    public function getText()
    {
        return $this->text;
    }
}