<?php

namespace Liip\ImagineBundle\Controller;

use Symfony\Component\HttpFoundation\Request;

use Symfony\Component\HttpFoundation\Response;

use Liip\ImagineBundle\Imagine\Cache\CacheManager;

use Liip\ImagineBundle\Imagine\Data\DataManager;

use Liip\ImagineBundle\Imagine\Filter\FilterManager;

class ImagineController

{

/**

* @var DataManager

*/

protected $dataManager;

/**

* @var FilterManager

*/

protected $filterManager;

/**

* @var CacheManager

*/

protected $cacheManager;

/**

* Constructor

*

* @param DataManager $dataManager

* @param FilterManager $filterManager

* @param CacheManager $cacheManager

*/

public function __construct(DataManager $dataManager, FilterManager $filterManager, CacheManager $cacheManager)

{

$this->dataManager = $dataManager;

$this->filterManager = $filterManager;

$this->cacheManager = $cacheManager;

}

/**

* This action applies a given filter to a given image,

* optionally saves the image and

* outputs it to the browser at the same time

*

* @param Request $request

* @param string $path

* @param string $filter

*

* @return Response

*/

public function filterAction(Request $request, $path, $filter)

{

$targetPath = $this->cacheManager->resolve($request, $path, $filter);

if ($targetPath instanceof Response) {

return $targetPath;

}

$image = $this->dataManager->find($filter, $path);

$response = $this->filterManager->get($request, $filter, $image, $path);

if ($targetPath) {

$response = $this->cacheManager->store($response, $targetPath, $filter);

}

return $response;

}

}