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<?php
/**
 * This file is part of Joomla Estate Agency - Joomla! extension for real
estate agency
 *
 * @package     Joomla.Site
 * @subpackage  com_jea
 * @copyright   Copyright (C) 2008 - 2020 PHILIP Sylvain. All rights
reserved.
 * @license     GNU General Public License version 2 or later; see
LICENSE.txt
 */

defined('_JEXEC') or die;

use Joomla\CMS\Filesystem\Folder;
use Joomla\CMS\Image\Image;

/**
 * Thumbnail controller class.
 *
 * @package     Joomla.Site
 * @subpackage  com_jea
 *
 * @since       2.0
 */
class JeaControllerThumbnail extends JControllerLegacy
{
	/**
	 * Create a thumbnail
	 *
	 * @return void
	 *
	 * @throws Exception
	 */
	public function create()
	{
		// @var JApplicationWeb  $application

		$application = JFactory::getApplication();
		$output      = '';
		$size        = $this->input->getCmd('size',
'');
		$image       = $_REQUEST['image'];
		$id          = $this->input->getInt('id', 0);
		$imagePath   = JPATH_ROOT . '/images/com_jea/images/' . $id .
'/' . $image;
		$thumbDir    = JPATH_ROOT . '/images/com_jea/thumb-' . $size;
		$thumbPath   = $thumbDir . '/' . $id . '-' . $image;

		if (empty($image))
		{
			throw new RuntimeException('Empty \'image\'
parameter', 500);
		}

		if (!in_array($size, array('min', 'medium')))
		{
			throw new RuntimeException('The image size is not recognized',
500);
		}

		if (file_exists($thumbPath))
		{
			$output = readfile($thumbPath);
		}
		elseif (file_exists($imagePath))
		{
			if (!Folder::exists($thumbPath))
			{
				Folder::create($thumbDir);
			}

			$params = JComponentHelper::getParams('com_jea');

			if ($size == 'medium')
			{
				$width = $params->get('thumb_medium_width', 400);
				$height = $params->get('thumb_medium_height', 300);
			}
			else
			{
				$width = $params->get('thumb_min_width', 120);
				$height = $params->get('thumb_min_height', 90);
			}

			$quality = (int) $params->get('jpg_quality', 90);
			$cropThumbnails = (bool) $params->get('crop_thumbnails',
0);
			$image = new Image($imagePath);

			if ($cropThumbnails)
			{
				$thumb = $image->resize($width, $height, true,
JImage::SCALE_OUTSIDE);
				$left = $thumb->getWidth() > $width ?
intval(($thumb->getWidth() - $width) / 2) : 0;
				$top = $thumb->getHeight() > $height ?
intval(($thumb->getHeight() - $height) / 2) : 0;
				$thumb->crop($width, $height, $left, $top, false);
			}
			else
			{
				$thumb = $image->resize($width, $height);
			}

			$thumb->toFile($thumbPath, IMAGETYPE_JPEG, array('quality'
=> $quality));

			$output = readfile($thumbPath);
		}
		else
		{
			throw new RuntimeException('The image ' . $image . ' was
not found', 500);
		}

		$application->setHeader('Content-Type',
'image/jpeg', true);
		$application->setHeader('Content-Transfer-Encoding',
'binary', true);
		$application->sendHeaders();

		echo $output;

		$application->close();
	}
}