DefaultController.php

<?php
/**
 * \file
 * \brief Functions used by the compiler backend.
 *
 * \author Dimitrios Christidis
 * \author Vasilis Georgitzikis
 *
 * \copyright (c) 2012-2013, The Codebender Development Team
 * \copyright Licensed under the Simplified BSD License
 */

namespace Codebender\CompilerBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\Response;
use Codebender\CompilerBundle\Handler\CompilerHandler;
use Codebender\CompilerBundle\Handler\DeletionHandler;
use Codebender\CompilerBundle\Handler\BuilderCompilerHandler;

class DefaultController extends Controller
{
	public function statusAction()
	{
		return new Response(json_encode(array("success" => true, "status" => "OK")));
	}

	public function testAction($authorizationKey)
	{
		$params = $this->generateParameters();

		if ($authorizationKey !== $params["authorizationKey"])
		{
			return new Response(json_encode(array("success" => false, "step" => 0, "message" => "Invalid authorization key.")));
		}

		set_time_limit(0); // make the script execution time unlimited (otherwise the request may time out)

		// change the current Symfony root dir
		chdir($this->get('kernel')->getRootDir()."/../");

		//TODO: replace this with a less horrible way to handle phpunit
		exec("phpunit -c app --stderr 2>&1", $output, $return_val);

		return new Response(json_encode(array("success" => (bool) !$return_val, "message" => implode("\n", $output))));
	}

	public function indexAction($authorizationKey, $version)
	{
		$params = $this->generateParameters();

		if ($authorizationKey !== $params["authorizationKey"])
		{
			return new Response(json_encode(array("success" => false, "step" => 0, "message" => "Invalid authorization key.")));
		}

		if ($version == "v1")
		{
			$request = $this->getRequest()->getContent();
			
			//Get the compiler service
			/** @var CompilerHandler $compiler */
			$compiler = $this->get('builder_compiler_handler');
		
			$reply = $compiler->main($request, $params);

			return new Response(json_encode($reply));
		}
		else
		{
			return new Response(json_encode(array("success" => false, "step" => 0, "message" => "Invalid API version.")));
		}
	}

	public function deleteAllObjectsAction($authorizationKey, $version)
	{
		if ($this->container->getParameter('authorizationKey') != $authorizationKey) {
            return new Response(json_encode(
                array('success' => false, 'step' => 0, 'message' => 'Invalid authorization key.')
            ));
        }

		if ($version != 'v1') {
            return new Response(json_encode(
                array('success' => false, 'step' => 0, 'message' => 'Invalid API version.')
            ));
        }

		//Get the compiler service
		/** @var DeletionHandler $deleter */
		$deleter = $this->get('deletion_handler');

		$response = $deleter->deleteAllObjects();

		if ($response['success'] !== true) {
            return new Response(json_encode(
                array('success' => false, 'step' => 0, 'message' => 'Failed to access object files directory.')
            ));
        }

        return new Response(json_encode(
            array_merge(
                array(
                    'success' => true,
                    'message' => 'Object files deletion complete. Found ' . $response['fileCount'] . ' files.'
                ),
                $response['deletionStats'],
                array("Files not deleted" => $response['notDeletedFiles'])
            )));
	}

	public function deleteSpecificObjectsAction($authorizationKey, $version, $option, $cachedObjectToDelete)
	{
		if ($this->container->getParameter('authorizationKey') != $authorizationKey) {
            return new Response(json_encode(
                array('success' => false, 'step' => 0, 'message' => 'Invalid authorization key.')
            ));
        }

		if ($version != 'v1') {
            return new Response(json_encode(
                array('success' => false, 'step' => 0, 'message' => 'Invalid API version.')
            ));
        }

		//Get the compiler service
		/** @var DeletionHandler $deleter */
		$deleter = $this->get('deletion_handler');

		$response = $deleter->deleteSpecificObjects($option, $cachedObjectToDelete);

		if ($response['success'] !== true) {
			return new Response(json_encode(
                array('success' => false, 'step' => 0, 'message' => 'Failed to access object files directory.')
            ));
		}

		if (!empty($response["notDeletedFiles"])) {
			$message = 'Failed to delete one or more of the specified core object files.';
            if ($option == 'library') {
                $message = 'Failed to delete one or more of the specified library object files.';
            }

			return new Response(json_encode(
                array_merge(array('success' => false, 'step' => 0, 'message' => $message), $response)
            ));
		}

        $message = 'Core object files deleted successfully.';
        if ($option == 'library'){
            $message = 'Library deleted successfully.';
        }

		return new Response(json_encode(array_merge(array('success' => true, 'message' => $message), $response)));
	}

	/**
	 * \brief Creates a list of the configuration parameters to be used in the compilation process.
	 *
	 * \return An array of the parameters.
	 *
	 * This function accesses the Symfony global configuration parameters, and creates an array that our handlers (which
	 * don't have access to them) can use them.

	 */
	private function generateParameters()
	{
        $parameters = array("binutils", "python", "clang", "logdir", "temp_dir", "archive_dir", "autocompletion_dir", "autocompleter", "cflags", "cppflags", "asflags", "arflags", "ldflags", "ldflags_tail", "clang_flags", "objcopy_flags", "size_flags", "output", "arduino_cores_dir", "external_core_files", "authorizationKey");

		$compiler_config = array();

		foreach ($parameters as $parameter)
		{
			$compiler_config[$parameter] = $this->container->getParameter($parameter);
		}

		return $compiler_config;
	}

}