<?php
  /**
   * ownCloud - Load an image from the virtual file system.
   *
   * @author Thomas Tanghus
   * @copyright 2014 Thomas Tanghus (thomas@tanghus.net)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
   * License as published by the Free Software Foundation; either
   * version 3 of the License, or any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
   *
   * You should have received a copy of the GNU Affero General Public
   * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
   *
   */
  
  namespace OCA\Contacts\Utils\TemporaryPhoto;
  
  use OCA\Contacts\Contact as ContactObject,
  	OCA\Contacts\Utils\TemporaryPhoto as BaseTemporaryPhoto,
  	OCP\AppFramework\Http,
  	OCP\ICache;
  
  /**
   * This class loads an image from the virtual file system.
   */
  class FileSystem extends BaseTemporaryPhoto {
  
  	/**
  	 * The virtual file system path to load the image from
  	 *
  	 * @var string
  	 */
  	protected $path;
  
  	public function __construct(ICache $cache, $path) {
  		\OCP\Util::writeLog('contacts', __METHOD__.' path: ' . $path, \OCP\Util::DEBUG);
  		if (!is_string($path)) {
  			throw new \Exception(
  				__METHOD__ . ' Second argument must a string'
  			);
  		}
  
  		parent::__construct($cache);
  		$this->path = $path;
  		$this->processImage();
  	}
  
  	/**
  	 * Load the image.
  	 */
  	protected function processImage() {
  		$localPath = \OC\Files\Filesystem::getLocalFile($this->path);
  
  		if (!file_exists($localPath)) {
  			throw new \Exception(
  				'The file does not exist: ' . $localPath,
  				Http::STATUS_NOT_FOUND
  			);
  		}
  
  		$this->image = new \OCP\Image();
  		$this->image->loadFromFile($localPath);
  	}
  
  }