<?php

/*
 * This file is part of Phraseanet
 *
 * (c) 2005-2015 Alchemy
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Alchemy\Phrasea\Controller\Prod;

use Alchemy\Phrasea\Core\Event\ExportEvent;
use Alchemy\Phrasea\Core\PhraseaEvents;
use Silex\Application;
use Silex\ControllerProviderInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RedirectResponse;

class Download implements ControllerProviderInterface
{
    /**
     * {@inheritDoc}
     */
    public function connect(Application $app)
    {
        $app['controller.prod.download'] = $this;

        $controllers = $app['controllers_factory'];

        $app['firewall']->addMandatoryAuthentication($controllers);

        $controllers->post('/', 'controller.prod.download:checkDownload')
            ->bind('check_download');

        return $controllers;
    }

    /**
     * Download a set of documents
     *
     * @param  Application      $app
     * @param  Request          $request
     * @return RedirectResponse
     */
    public function checkDownload(Application $app, Request $request)
    {
        $lst = $request->request->get('lst');
        $ssttid = $request->request->get('ssttid', '');
        $subdefs = $request->request->get('obj', []);

        $download = new \set_export($app, $lst, $ssttid);

        if (0 === $download->get_total_download()) {
            $app->abort(403);
        }

        $list = $download->prepare_export(
            $app['authentication']->getUser(),
            $app['filesystem'],
            $subdefs,
            $request->request->get('type') === 'title' ? true : false,
            $request->request->get('businessfields')
        );

        $list['export_name'] = sprintf('%s.zip', $download->getExportName());
        $token = $app['manipulator.token']->createDownloadToken($app['authentication']->getUser(), serialize($list));
        $app['dispatcher']->dispatch(PhraseaEvents::EXPORT_CREATE, new ExportEvent($app['authentication']->getUser(), $ssttid, $lst, $subdefs, $download->getExportName()));

        return $app->redirectPath('prepare_download', ['token' => $token->getValue()]);
    }
}