<?php

/**

* Copyright 2016 Luis Alberto Pabon Flores

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

namespace AppBundle\Controller;

use AppBundle\Entity\Generator\PhpOptions;

use AppBundle\Entity\Generator\Project;

use AppBundle\Form\Generator\ProjectType;

use Symfony\Component\HttpFoundation\BinaryFileResponse;

use Symfony\Component\HttpFoundation\Request;

use Symfony\Component\HttpFoundation\Response;

use Symfony\Component\HttpFoundation\ResponseHeaderBag;

/**

* Docker environment generator controller.

*

* @package AppBundle\Controller

* @author Luis A. Pabon Flores

*/

class GeneratorController extends AbstractController

{

/**

* Form and form processor for creating a project.

*

* @param Request $request

*

* @return BinaryFileResponse|Response

*/

public function createAction(Request $request)

{

// Set up form

$project = new Project($this->container->get('slugifier'));

$form = $this->createForm(ProjectType::class, $project, ['method' => Request::METHOD_POST]);

// Process form

$form->handleRequest($request);

if ($form->isSubmitted() && $form->isValid() === true) {

// Fix PHP extensions per version before sending to generator

$project = $this->fixPhpExtensionGeneratorExpectation($project);

// Generate zip file with docker project

$generator = $this->container->get('docker_generator');

$zipFile = $generator->generate($project);

// Generate file download & cleanup

$response = new BinaryFileResponse($zipFile->getTmpFilename());

$response

->prepare($request)

->setContentDisposition(ResponseHeaderBag::DISPOSITION_ATTACHMENT, $zipFile->getFilename())

->deleteFileAfterSend(true);

return $response;

}

return $this->render('AppBundle:Generator:generator.html.twig', [

'form' => $form->createView(),

]);

}

/**

* Add php extensions to project based on version on the property the generator expects

* as phpExtensions56/70 do not exist from its point of view.

*

* @param Project $project

*

* @return Project

* @throws \InvalidArgumentException

*/

private function fixPhpExtensionGeneratorExpectation(Project $project): Project

{

/** @var PhpOptions $phpOptions */

$phpOptions = $project->getPhpOptions();

$phpVersion = $phpOptions->getVersion();

switch ($phpVersion) {

case PhpOptions::PHP_VERSION_56:

$extensions = $phpOptions->getPhpExtensions56();

break;

case PhpOptions::PHP_VERSION_70:

$extensions = $phpOptions->getPhpExtensions70();

break;

case PhpOptions::PHP_VERSION_71:

$extensions = $phpOptions->getPhpExtensions71();

break;

case PhpOptions::PHP_VERSION_72:

$extensions = $phpOptions->getPhpExtensions72();

break;

case PhpOptions::PHP_VERSION_73:

$extensions = $phpOptions->getPhpExtensions73();

break;

default:

throw new \InvalidArgumentException(sprintf('Eek! Unsupported php version %s', $phpVersion));

}

$project->getPhpOptions()->setPhpExtensions($extensions);

return $project;

}

}