<?php

/**
 * This file is part of the OpenPNE package.
 * (c) OpenPNE Project (http://www.openpne.jp/)
 *
 * For the full copyright and license information, please view the LICENSE
 * file and the NOTICE file that were distributed with this source code.
 */

class File extends BaseFile
{
  public function __toString()
  {
    return (string)$this->getName();
  }

  public function getImageFormat()
  {
    if (!$this->isImage())
    {
      return false;
    }

    $type = explode('/', $this->getType());
    $result = $type[1];

    if ($result === 'jpeg')
    {
      $result = 'jpg';
    }

    return $result;
  }

  public function isImage()
  {
    $type = $this->getType();
    if ($type === 'image/jpeg'
      || $type === 'image/gif'
      || $type === 'image/png')
    {
      return true;
    }

    return false;
  }

  public function setFromValidatedFile(sfValidatedFile $obj)
  {
    $this->setType($obj->getType());
    $this->setOriginalFilename($obj->getOriginalName());
    $this->setName(strtr($obj->generateFilename(), '.', '_'));

    $bin = new FileBin();
    $bin->setBin(file_get_contents($obj->getTempName()));
    $this->setFileBin($bin);
  }
}