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<?php |
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declare(strict_types=1); |
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namespace Nastoletni\Code; |
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use Doctrine\DBAL\Configuration; |
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use Doctrine\DBAL\DriverManager; |
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use Monolog\Handler\StreamHandler; |
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use Monolog\Logger; |
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use Nastoletni\Code\Infrastructure\AES256Crypter; |
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use Nastoletni\Code\Infrastructure\Dbal\DbalPasteMapper; |
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use Nastoletni\Code\Infrastructure\Dbal\DbalPasteRepository; |
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use Nastoletni\Code\Infrastructure\HttpsXkcdRepository; |
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use Nastoletni\Code\Slim\DecoratingCallableResolver; |
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use Nastoletni\Code\Slim\Middleware\SymfonySessionMiddleware; |
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use Nastoletni\Code\Twig\SymfonyValidatorExtension; |
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use Nastoletni\Code\Twig\TransExtension; |
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use Nastoletni\Code\UserInterface\Controller\ControllerDecorator; |
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use Nastoletni\Code\UserInterface\Web\Controller\ErrorController; |
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use Nastoletni\Code\UserInterface\Web\Controller\PasteController; |
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use Slim\App; |
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use Slim\Container; |
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use Slim\Handlers\Error; |
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use Slim\Handlers\PhpError; |
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use Slim\Handlers\Strategies\RequestResponseArgs; |
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use Slim\Views\Twig; |
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use Slim\Views\TwigExtension; |
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use Symfony\Component\HttpFoundation\Session\Session; |
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use Symfony\Component\Translation\Loader\PhpFileLoader; |
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use Symfony\Component\Translation\Translator; |
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use Symfony\Component\Yaml\Yaml; |
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class AppKernel |
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{ |
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/** |
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* @var App |
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*/ |
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private $slim; |
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/** |
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* AppKernel constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->slim = new App(); |
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$this->setupConfig(); |
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$this->setupServices(); |
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$this->setupRoutes(); |
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// Middlewares |
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$this->slim->add(new SymfonySessionMiddleware($this->slim->getContainer()['session'])); |
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} |
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/** |
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* Sets up config in container. |
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*/ |
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private function setupConfig(): void |
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{ |
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$config = Yaml::parse(file_get_contents(__DIR__.'/config.yml')); |
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$this->slim->getContainer()['config'] = $config; |
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} |
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/** |
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* Sets up dependencies in container. |
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*/ |
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private function setupServices(): void |
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{ |
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$container = $this->slim->getContainer(); |
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$container['settings']['displayErrorDetails'] = $container['config']['debug']; |
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$container['logger'] = function () { |
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return new Logger('application', [ |
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new StreamHandler(__DIR__.'/../logs/logs.log'), |
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]); |
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}; |
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$container['foundHandler'] = function () { |
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return new RequestResponseArgs(); |
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}; |
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$container['notFoundHandler'] = function (Container $container) { |
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return [$container[ErrorController::class], 'notFound']; |
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}; |
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View Code Duplication |
$container['errorHandler'] = function (Container $container) { |
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// Show pretty error page on production and Slim debug info on development. |
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$next = $container['config']['debug'] ? |
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new Error($container['config']['debug']) : |
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[$container[ErrorController::class], 'error']; |
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return new Slim\Handler\LoggingErrorHandler( |
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$container->get('logger'), |
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$next |
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); |
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}; |
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View Code Duplication |
$container['phpErrorHandler'] = function (Container $container) { |
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// Show pretty error page on production and Slim debug info on development. |
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$next = $container['config']['debug'] ? |
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new PhpError($container['config']['debug']) : |
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[$container[ErrorController::class], 'error']; |
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return new Slim\Handler\LoggingErrorHandler( |
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$container->get('logger'), |
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$next |
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); |
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}; |
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$container['translator'] = function (Container $container) { |
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$translator = new Translator($container['config']['locale']); |
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$translator->setFallbackLocales(['en']); |
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$translator->addLoader('php', new PhpFileLoader()); |
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$translator->addResource('php', __DIR__.'/../resources/translations/messages.php', 'en'); |
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$translator->addResource('php', __DIR__.'/../resources/translations/messages.pl.php', 'pl'); |
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return $translator; |
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}; |
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$container['twig'] = function (Container $container) { |
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$twig = new Twig(__DIR__.'/../resources/views/', [ |
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'debug' => $container['config']['debug'], |
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]); |
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$twig->addExtension(new TwigExtension($container['router'], $container['config']['base_url'])); |
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$twig->addExtension(new SymfonyValidatorExtension()); |
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$twig->addExtension(new TransExtension($container['translator'])); |
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return $twig; |
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}; |
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$container['session'] = function () { |
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return new Session(); |
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}; |
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$container['controllerDecorator'] = function (Container $container) { |
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return new ControllerDecorator( |
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$container['twig'], |
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$container['router'], |
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$container['session'] |
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); |
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}; |
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$container['callableResolver'] = function (Container $container) { |
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return new DecoratingCallableResolver( |
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$container, |
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$container['controllerDecorator'] |
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); |
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}; |
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$container['dbal'] = function (Container $container) { |
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$config = new Configuration(); |
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return DriverManager::getConnection([ |
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'driver' => 'pdo_mysql', |
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'host' => $container['config']['database']['host'], |
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'port' => $container['config']['database']['port'], |
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'dbname' => $container['config']['database']['name'], |
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'user' => $container['config']['database']['user'], |
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'password' => $container['config']['database']['password'], |
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'charset' => $container['config']['database']['charset'], |
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], $config); |
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}; |
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// Controllers |
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$container[PasteController::class] = function (Container $container) { |
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$pasteRepository = new DbalPasteRepository($container['dbal'], new DbalPasteMapper()); |
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return new PasteController($pasteRepository, new AES256Crypter()); |
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}; |
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$container[ErrorController::class] = function (Container $container) { |
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/** @var ControllerDecorator $controllerDecorator */ |
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$controllerDecorator = $container['controllerDecorator']; |
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$errorController = new ErrorController( |
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new HttpsXkcdRepository() |
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); |
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$controllerDecorator->decorate($errorController); |
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return $errorController; |
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}; |
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} |
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/** |
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* Sets up routes. |
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*/ |
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private function setupRoutes(): void |
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{ |
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$routes = Yaml::parse(file_get_contents(__DIR__.'/routes.yml')); |
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foreach ($routes as $routeName => $route) { |
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$this->slim->map([$route['method']], $route['path'], $route['controller'])->setName($routeName); |
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} |
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} |
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/** |
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* Sends response to the client. |
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*/ |
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public function handle(): void |
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{ |
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$this->slim->run(); |
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} |
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} |
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PHP Analyzer performs a side-effects analysis of your code. A side-effect is basically anything that might be visible after the scope of the method is left.
Let’s take a look at an example:
If we look at the
getEmail()method, we can see that it has no side-effect. Whether you call this method or not, no future calls to other methods are affected by this. As such code as the following is useless:On the hand, if we look at the
setEmail(), this method _has_ side-effects. In the following case, we could not remove the method call: