doughnut-wedding/app/Kernel.php

<?php

/*
 *     doughnutwedding.com
 *     Copyright (C) 2017  http://doughnutwedding.com eric@doughnutwedding.com
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

use Bramus\Monolog\Formatter\{
    ColorSchemes\TrafficLight,
    ColoredLineFormatter
};

use Composer\Autoload\ClassLoader;
use Dflydev\Provider\DoctrineOrm\DoctrineOrmServiceProvider;
use Doctrine\Common\Annotations\AnnotationRegistry;
use Monolog\{
    Handler\StreamHandler,
    Logger
};
use Sikofitt\App\Traits\FlashTrait;
use Silex\Application;
use Silex\Application\{
    FormTrait,
    MonologTrait,
    SecurityTrait,
    SwiftmailerTrait,
    TranslationTrait,
    TwigTrait,
    UrlGeneratorTrait
};
use Silex\Provider\{
    AssetServiceProvider,
    CsrfServiceProvider,
    DoctrineServiceProvider,
    ExceptionHandlerServiceProvider,
    FormServiceProvider,
    HttpFragmentServiceProvider,
    HttpKernelServiceProvider,
    MonologServiceProvider,
    RoutingServiceProvider,
    SecurityServiceProvider,
    ServiceControllerServiceProvider,
    SessionServiceProvider,
    SwiftmailerServiceProvider,
    TwigServiceProvider,
    ValidatorServiceProvider,
    VarDumperServiceProvider,
    WebProfilerServiceProvider
};

use Symfony\Bridge\Twig\Extension\TranslationExtension;
use Symfony\Component\Debug\ErrorHandler;
use Symfony\Component\Debug\ExceptionHandler;
use Symfony\Component\Form\FormFactory;
use Symfony\Component\Translation\Translator;

/**
 * Class Kernel.
 */
class Kernel extends Application
{
    use FlashTrait;
    use FormTrait;
    use MonologTrait;
    use SecurityTrait;
    use SwiftmailerTrait;
    use TranslationTrait;
    use TwigTrait;
    use UrlGeneratorTrait;

    /**
     * Kernel constructor.
     *
     * @param ClassLoader $loader
     * @param bool        $debug
     * @param array       $values
     */
    public function __construct(ClassLoader $loader, bool $debug = false, array $values = [])
    {
        parent::__construct($values);
        AnnotationRegistry::registerLoader([$loader, 'loadClass']);
        if (true === $debug) {
            $this->setDebug();
        }
        $this->setUpProviders();
        $this->setUpDatabase();
        $this->setUpView();
        $this->setUpLogger();
        $this->setUpMailer();
    }

    /**
     * @param array $values
     *
     * @throws \InvalidArgumentException
     *
     * @return int
     */
    public function mail(array $values)
    {
        if (false === isset($values['from']) || false === is_array($values['from'])) {
            throw new \InvalidArgumentException('Array key "from" should be an array.');
        } elseif (false === isset($values['to']) || false === is_array($values['to'])) {
            throw new \InvalidArgumentException('Array key "to" should be an array.');
        } elseif (false === isset($values['body']) || false === is_string($values['body'])) {
            throw new \InvalidArgumentException('Array key "body" should be a string.');
        } elseif (false === isset($values['subject']) || false === is_string($values['subject'])) {
            throw new \InvalidArgumentException('Array key "subject" should be a string.');
        }

        $message = \Swift_Message::newInstance();
        $message
            ->setSubject($values['subject'])
            ->setFrom($values['from'])
            ->setTo($values['to'])
            ->setBody($values['body']);

        /**
         * @var \Swift_Transport $mailer
         */
        $mailer = $this['mailer'];

        return $mailer->send($message);
    }

    /**
     * Sets the application to debug.
     */
    public function setDebug()
    {
        $this['debug'] = true;
        ErrorHandler::register();
        ExceptionHandler::register();
    }

    /**
     * @return bool
     */
    public function getDebug(): bool
    {
        return $this['debug'];
    }

    /**
     * @return string
     */
    public function getBaseDir(): string
    {
        return __DIR__.'/..';
    }

    /**
     * @return string
     */
    public function getAppDir(): string
    {
        return $this->getBaseDir().'/app';
    }

    /**
     * @return string
     */
    public function getConfigDir(): string
    {
        return $this->getAppDir().'/config';
    }

    /**
     * @return string
     */
    public function getLogDir(): string
    {
        return $this->getAppDir().'/logs';
    }

    /**
     * @return string
     */
    public function getCacheDir(): string
    {
        return $this->getBaseDir().'/cache';
    }

    /**
     * @return FormFactory
     */
    public function getFormFactory()
    {
        return $this['form.factory'];
    }

    /**
     * Sets up the database environment.
     */
    protected function setUpDatabase()
    {
        $this->register(new DoctrineServiceProvider(), [
            'db.options' => [
                'driver' => 'pdo_mysql',
                'dbname' => 'doughnut',
                'host' => 'mysql',
                'user' => 'doughnut',
                'password' => 'doughnut',
            ],
        ]);

        $this->register(new DoctrineOrmServiceProvider(), [
            'orm.proxies_dir' => $this->getCacheDir().'/doctrine/proxies',
            'orm.default_cache' => 'array',
            'orm.em.options' => [
                'connection' => 'default',
                'mappings' => [
                    [
                        'type' => 'annotation',
                        'path' => $this->getBaseDir().'/src/Sikofitt/App/Entity',
                        'namespace' => 'Sikofitt\App\Entity',
                        'use_simple_annotation_reader' => false,
                    ],
                ],
            ],
        ]);
    }

    /**
     * Sets up the view for the application.
     */
    protected function setUpView()
    {
        $this
            ->register(new HttpKernelServiceProvider())
            ->register(new RoutingServiceProvider())
            ->register(new AssetServiceProvider())
            ->register(new SessionServiceProvider())
            ->register(new HttpFragmentServiceProvider())
            ->register(new ServiceControllerServiceProvider())
            ->register(new ValidatorServiceProvider());

        $this->register(new TwigServiceProvider(), [
        'twig.path' => $this->getAppDir().'/views',
        ]);
        if (true === $this['debug']) {
            $this
                ->register(new VarDumperServiceProvider())
                ->register(new WebProfilerServiceProvider(),
                    [
                        'profiler.cache_dir' => $this->getCacheDir().'/profiler',
                        'profiler.mount_prefix' => '/_profiler',
                    ])
                ->register(new ExceptionHandlerServiceProvider())
            ;
        }
        /*
         * Closure supports \Twig_Environment and Silex\Application as a second
         * parameter, but we never use Silex\Application so we leave it out.
         */
        $r = new \Symfony\Component\HttpFoundation\RequestStack();

        $this->extend('twig', function (\Twig_Environment $twig) {
            $twig->addGlobal('session', $this['session']);
            $twig->addExtension(new TranslationExtension(new Translator('en')));

            return $twig;
        });
    }

    /**
     * Sets up the rest of the providers for the application.
     */
    protected function setUpProviders()
    {
        $this

            ->register(new CsrfServiceProvider())
            ->register(new FormServiceProvider())
            ->register(new SecurityServiceProvider(), [
                'security.firewalls' => [
                    'admin' => [
                        'pattern' => '^/admin',
                        'http' => true,
                    ],
                ],
            ])
        ;
        $this->extend('form.extensions', function ($extensions) {
            return $extensions;
        });
    }

    /**
     * Sets up the logger for the application.
     */
    protected function setUpLogger()
    {
        if (true === $this->getDebug()) {
            $monologLevel = Logger::DEBUG;
        } else {
            $monologLevel = Logger::INFO;
        }
        $this->register(new MonologServiceProvider(), [
            'monolog.logfile' => $this->getLogDir().'/'.$this->getEnvironment().'.log',
            'monolog.level' => $monologLevel,
        ]);
        $this->extend('monolog', function (Logger $monolog, Application $app) {
            $streamHandler = new StreamHandler($app['monolog.logfile']);
            $streamHandler->setFormatter(new ColoredLineFormatter(new TrafficLight()));
            $monolog->pushHandler($streamHandler);

            return $monolog;
        });
    }

    /**
     * Sets up the mailer for the application.
     */
    protected function setUpMailer()
    {
        $this['swiftmailer.options'] = [
            'host' => 'mx.bgemi.net',
            'port' => '25',
            'username' => null,
            'password' => null,
            'encryption' => null,
            'auth_mode' => null,
        ];
        $this->register(new SwiftmailerServiceProvider());
    }

    /**
     * @return string
     */
    protected function getEnvironment(): string
    {
        $appEnv = getenv('APP_ENV');

        if (false === $appEnv) {
            return 'development';
        } else {
            return $appEnv;
        }
    }
}