Merge pull request #51 from UN-OCHA/OPS-10197-3

feat: Separate home page

config/views.view.my_documents.yml

@@ -269,7 +269,7 @@ display:
           plugin_id: text_custom
           label: ''
           empty: true
-          content: "<p>Welcome to OCHA’s internal AI-based document summarization tool. This proof-of-concept is only available to OCHA personnel.</p>\r\n\r\n<p class=\"button-login\"><a href=\"/user/login/hid\">Log in</a></p>"
+          content: "<p>Welcome to OCHA’s internal AI-based document summarization tool.</p>\r\n\r\n<p class=\"button-login\"><a href=\"/node/add\">Add your first document.</a></p>"
           tokenize: false
         title:
           id: title

html/modules/custom/ocha_ai_summarize/ocha_ai_summarize.services.yml

@@ -0,0 +1,6 @@
+services:
+  ocha_ai_summarize.event_subscriber:
+    class: Drupal\ocha_ai_summarize\EventSubscriber\AnonymousFrontpageSubscriber
+    arguments: ['@messenger','@current_user','@path.matcher', '@config.factory', '@state']
+    tags:
+      - { name: event_subscriber }

html/modules/custom/ocha_ai_summarize/src/EventSubscriber/AnonymousFrontpageSubscriber.php

@@ -0,0 +1,128 @@
+<?php
+
+namespace Drupal\ocha_ai_summarize\EventSubscriber;
+
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\Installer\InstallerKernel;
+use Drupal\Core\Messenger\MessengerInterface;
+use Drupal\Core\Path\PathMatcherInterface;
+use Drupal\Core\Session\AccountProxyInterface;
+use Drupal\Core\State\State;
+use Drupal\Core\Url;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpKernel\Event\RequestEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+/**
+ * Custom Frontpage for anonymous users event subscriber.
+ */
+class AnonymousFrontpageSubscriber implements EventSubscriberInterface {
+
+  /**
+   * The messenger.
+   *
+   * @var \Drupal\Core\Messenger\MessengerInterface
+   */
+  protected $messenger;
+
+  /**
+   * The current user.
+   *
+   * @var \Drupal\Core\Session\AccountProxyInterface
+   */
+  protected $currentUser;
+
+  /**
+   * The path matcher service.
+   *
+   * @var \Drupal\Core\Path\PathMatcherInterface
+   */
+  protected $pathMatcher;
+
+  /**
+   * The config factory.
+   *
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $configFactory;
+
+  /**
+   * The config factory.
+   *
+   * @var \Drupal\Core\State\State
+   */
+  protected $state;
+
+  /**
+   * Constructs event subscriber.
+   *
+   * @param \Drupal\Core\Messenger\MessengerInterface $messenger
+   *   The messenger.
+   * @param \Drupal\Core\Session\AccountProxyInterface $currentUser
+   *   The current user.
+   * @param \Drupal\Core\Path\PathMatcherInterface $pathMatcher
+   *   The path matcher.
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $configFactory
+   *   The config factory.
+   * @param \Drupal\Core\State\State $state
+   *   The state service.
+   */
+  public function __construct(MessengerInterface $messenger,
+                              AccountProxyInterface $currentUser,
+                              PathMatcherInterface $pathMatcher,
+                              ConfigFactoryInterface $configFactory,
+                              State $state) {
+    $this->messenger = $messenger;
+    $this->currentUser = $currentUser;
+    $this->pathMatcher = $pathMatcher;
+    $this->configFactory = $configFactory;
+    $this->state = $state;
+  }
+
+  /**
+   * Kernel request event handler.
+   *
+   * @param \Symfony\Component\HttpKernel\Event\RequestEvent $event
+   *   Response event.
+   */
+  public function onKernelRequest(RequestEvent $event) {
+    // Make sure front page module is not run when using cli (drush).
+    // Make sure front page module does not run when installing Drupal either.
+    if (PHP_SAPI === 'cli' || InstallerKernel::installationAttempted()) {
+      return;
+    }
+
+    // Don't run when site is in maintenance mode.
+    if ($this->state->get('system.maintenance_mode')) {
+      return;
+    }
+
+    // Ignore non index.php requests (like cron).
+    if (!empty($_SERVER['SCRIPT_FILENAME'])
+      && realpath(DRUPAL_ROOT . '/index.php') != realpath($_SERVER['SCRIPT_FILENAME'])) {
+      return;
+    }
+
+    // Ignore authenticated users.
+    if ($this->currentUser->isAuthenticated()) {
+      return;
+    }
+
+    if ($this->pathMatcher->isFrontPage()) {
+      $url_object = Url::fromUserInput('/home');
+      $event->setResponse(new RedirectResponse($url_object->toString()));
+    }
+
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function getSubscribedEvents() {
+    return [
+      KernelEvents::REQUEST => ['onKernelRequest'],
+    ];
+  }
+
+}