From 9f0c39dbb72f94882dc2a4236e1915f44f01b655 Mon Sep 17 00:00:00 2001
From: Claudiu Cristea <clau.cristea@gmail.com>
Date: Tue, 4 Jun 2019 17:10:19 +0300
Subject: [PATCH] Issue #83: Make /user/register route aware of the new config.

---
 oe_authentication.services.yml  |  3 ++-
 src/Routing/RouteSubscriber.php | 33 +++++++++++++++++++++++++++------
 2 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/oe_authentication.services.yml b/oe_authentication.services.yml
index a003bb96..731e7d8c 100644
--- a/oe_authentication.services.yml
+++ b/oe_authentication.services.yml
@@ -5,7 +5,8 @@ services:
       tags:
         - { name: access_check, applies_to: _external_user_access_check }
   oe_authentication.route_subscriber:
-    class: \Drupal\oe_authentication\Routing\RouteSubscriber
+    class: Drupal\oe_authentication\Routing\RouteSubscriber
+    arguments: ['@config.factory']
     tags:
       - { name: event_subscriber }
   oe_authentication.event_subscriber:
diff --git a/src/Routing/RouteSubscriber.php b/src/Routing/RouteSubscriber.php
index e36c5e5b..efaba90d 100644
--- a/src/Routing/RouteSubscriber.php
+++ b/src/Routing/RouteSubscriber.php
@@ -4,6 +4,7 @@
 
 namespace Drupal\oe_authentication\Routing;
 
+use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Routing\RouteSubscriberBase;
 use Symfony\Component\Routing\Route;
 use Symfony\Component\Routing\RouteCollection;
@@ -13,6 +14,23 @@
  */
 class RouteSubscriber extends RouteSubscriberBase {
 
+  /**
+   * The config factory service.
+   *
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $configFactory;
+
+  /**
+   * Constructs a new route event subscriber.
+   *
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+   *   The config factory service.
+   */
+  public function __construct(ConfigFactoryInterface $config_factory) {
+    $this->configFactory = $config_factory;
+  }
+
   /**
    * {@inheritdoc}
    */
@@ -33,12 +51,15 @@ protected function alterRoutes(RouteCollection $collection): void {
     }
 
     // Replace the core register route controller.
-    $route = $collection->get('user.register');
-    if ($route instanceof Route) {
-      $defaults = $route->getDefaults();
-      unset($defaults['_form']);
-      $defaults['_controller'] = '\Drupal\oe_authentication\Controller\RegisterController::register';
-      $route->setDefaults($defaults);
+    $config = $this->configFactory->get('oe_authentication.settings');
+    if ($config->get('redirect_user_register_route')) {
+      $route = $collection->get('user.register');
+      if ($route instanceof Route) {
+        $defaults = $route->getDefaults();
+        unset($defaults['_form']);
+        $defaults['_controller'] = '\Drupal\oe_authentication\Controller\RegisterController::register';
+        $route->setDefaults($defaults);
+      }
     }
 
     // Replace the cas callback route controller.