Use a factory to Config and LocaleManager (see #298)

classes/Config.php

@@ -261,6 +261,7 @@ class Config
      * Get Config singleton instance.
      *
      * @return Config
+     * @todo Stop using a singleton.
      */
     public static function getInstance()
     {

classes/ConfigFactory.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Alltube;
+
+use Symfony\Component\ErrorHandler\Debug;
+
+/**
+ * Class ConfigFactory
+ * @package Alltube
+ */
+class ConfigFactory
+{
+
+    /**
+     * @return Config
+     * @throws Exception\ConfigException
+     */
+    public static function create()
+    {
+        $configPath = __DIR__ . '/../config/config.yml';
+        if (is_file($configPath)) {
+            Config::setFile($configPath);
+        }
+
+        $config = Config::getInstance();
+        if ($config->uglyUrls) {
+            $container['router'] = new UglyRouter();
+        }
+        if ($config->debug) {
+            /*
+             We want to enable this as soon as possible,
+             in order to catch errors that are thrown
+             before the Slim error handler is ready.
+             */
+            Debug::enable();
+        }
+
+        return $config;
+    }
+}

classes/Controller/BaseController.php

@@ -83,7 +83,7 @@ abstract class BaseController
      */
     public function __construct(ContainerInterface $container)
     {
-        $this->config = Config::getInstance();
+        $this->config = $container->get('config');
         $this->container = $container;
         $session = SessionManager::getSession();
         $this->sessionSegment = $session->getSegment(self::class);

classes/Exception/ConfigException.php

@@ -4,6 +4,10 @@ namespace Alltube\Exception;
 
 use Exception;
 
+/**
+ * Class ConfigException
+ * @package Alltube\Exception
+ */
 class ConfigException extends Exception
 {
 

classes/Exception/DependencyException.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Alltube\Exception;
+
+use Exception;
+
+/**
+ * Class DependencyException
+ * @package Alltube\Exception
+ */
+class DependencyException extends Exception
+{
+
+}

classes/LocaleManager.php

@@ -172,6 +172,7 @@ class LocaleManager
      * Get LocaleManager singleton instance.
      *
      * @return LocaleManager
+     * @todo Stop using a singleton.
      */
     public static function getInstance()
     {

classes/LocaleManagerFactory.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Alltube;
+
+use Alltube\Exception\DependencyException;
+
+/**
+ * Class LocaleManagerFactory
+ * @package Alltube
+ */
+class LocaleManagerFactory
+{
+
+    /**
+     * @return LocaleManager|null
+     * @throws DependencyException
+     */
+    public static function create()
+    {
+        if (!class_exists('Locale')) {
+            throw new DependencyException('You need to install the intl extension for PHP.');
+        }
+
+        return LocaleManager::getInstance();
+    }
+}

classes/LoggerFactory.php

@@ -4,6 +4,7 @@ namespace Alltube;
 
 use Consolidation\Log\Logger;
 use Consolidation\Log\LogOutputStyler;
+use Slim\Container;
 use Symfony\Component\Console\Output\ConsoleOutput;
 
 /**
@@ -14,11 +15,12 @@ class LoggerFactory
 {
 
     /**
+     * @param Container $container
      * @return Logger
      */
-    public static function create()
+    public static function create(Container $container)
     {
-        $config = Config::getInstance();
+        $config = $container->get('config');
         if ($config->debug) {
             $verbosity = ConsoleOutput::VERBOSITY_DEBUG;
         } else {

index.php

@@ -2,68 +2,41 @@
 
 require_once __DIR__ . '/vendor/autoload.php';
 
-use Alltube\Config;
+use Alltube\ConfigFactory;
 use Alltube\Controller\DownloadController;
 use Alltube\Controller\FrontController;
 use Alltube\Controller\JsonController;
-use Alltube\LocaleManager;
+use Alltube\LocaleManagerFactory;
 use Alltube\LocaleMiddleware;
 use Alltube\LoggerFactory;
-use Alltube\UglyRouter;
 use Alltube\ViewFactory;
 use Slim\App;
 use Slim\Container;
-use Symfony\Component\ErrorHandler\Debug;
 
 if (isset($_SERVER['REQUEST_URI']) && strpos($_SERVER['REQUEST_URI'], '/index.php') !== false) {
     header('Location: ' . str_ireplace('/index.php', '/', $_SERVER['REQUEST_URI']));
     die;
 }
 
-if (is_file(__DIR__ . '/config/config.yml')) {
 try {
-        Config::setFile(__DIR__ . '/config/config.yml');
-    } catch (Exception $e) {
-        die('Could not load config file: ' . $e->getMessage());
-    }
-}
-
     // Create app.
     $app = new App();
 
     /** @var Container $container */
     $container = $app->getContainer();
 
-// Load config.
+    // Config.
-$config = Config::getInstance();
+    $container['config'] = ConfigFactory::create();
-if ($config->uglyUrls) {
-    $container['router'] = new UglyRouter();
-}
-if ($config->debug) {
-    /*
-     We want to enable this as soon as possible,
-     in order to catch errors that are thrown
-     before the Slim error handler is ready.
-     */
-    Debug::enable();
-}
 
     // Locales.
-if (!class_exists('Locale')) {
+    $container['locale'] = LocaleManagerFactory::create();
-    die('You need to install the intl extension for PHP.');
-}
-$container['locale'] = LocaleManager::getInstance();
     $app->add(new LocaleMiddleware($container));
 
     // Smarty.
-try {
     $container['view'] = ViewFactory::create($container);
-} catch (SmartyException $e) {
-    die('Could not load Smarty: ' . $e->getMessage());
-}
 
     // Logger.
-$container['logger'] = LoggerFactory::create();
+    $container['logger'] = LoggerFactory::create($container);
 
     // Controllers.
     $frontController = new FrontController($container);
@@ -110,10 +83,7 @@ $app->get(
         [$jsonController, 'json']
     )->setName('json');
 
-try {
     $app->run();
-} catch (SmartyException $e) {
-    die('Smarty could not compile the template file: ' . $e->getMessage());
 } catch (Throwable $e) {
     // Last resort if the error has not been caught by the error handler for some reason.
     die('Error when starting the app: ' . htmlentities($e->getMessage()));