From 419ae401508f3ce940ebec184d094f83fc0f9739 Mon Sep 17 00:00:00 2001
From: Volker Killesreiter <killesre@gmail.com>
Date: Thu, 18 Jun 2020 15:34:20 +0200
Subject: [PATCH] while updating from media_enitiy to media in core, when there
 is a module enabled or disabled, routes will get rebuild. This code tries to
 build routes based on media in core entities while the site is still
 media_entity based breaking the update (#86)

---
 .../dcx_migration/src/Routing/MediaRoutes.php | 48 +++++++++----------
 1 file changed, 24 insertions(+), 24 deletions(-)

diff --git a/modules/dcx_migration/src/Routing/MediaRoutes.php b/modules/dcx_migration/src/Routing/MediaRoutes.php
index e5fed74..955fa77 100644
--- a/modules/dcx_migration/src/Routing/MediaRoutes.php
+++ b/modules/dcx_migration/src/Routing/MediaRoutes.php
@@ -13,33 +13,33 @@ class MediaRoutes {
    * {@inheritdoc}
    */
   public function routes() {
-
-    /** @var \Drupal\media\Entity\MediaType[] $bundles */
-    $bundles = \Drupal::entityTypeManager()->getStorage('media_type')->loadMultiple();
-
     $routes = [];
 
-    foreach ($bundles as $bundle) {
-
-      if ($bundle->get('source') == 'image') {
-        $routes['dcx_migration.form.' . $bundle->id()] = new Route(
-        // Path to attach this route to:
-          'media/add/' . $bundle->id(),
-          // Route defaults:
-          [
-            '_form' => '\Drupal\dcx_migration\Form\DcxImportForm',
-            '_title' => 'Import Image from DC-X',
-          ],
-          // Route requirements:
-          [
-            '_entity_create_access' => 'media:' . $bundle->id(),
-          ],
-          [
-            '_admin_route' => TRUE,
-          ]
-        );
+    if (\Drupal::moduleHandler()->moduleExists('media')) {
+      /** @var \Drupal\media\Entity\MediaType[] $bundles */
+      $bundles = \Drupal::entityTypeManager()->getStorage('media_type')->loadMultiple();
+
+      foreach ($bundles as $bundle) {
+
+        if ($bundle->get('source') == 'image') {
+          $routes['dcx_migration.form.' . $bundle->id()] = new Route(
+          // Path to attach this route to:
+            'media/add/' . $bundle->id(),
+            // Route defaults:
+            [
+              '_form' => '\Drupal\dcx_migration\Form\DcxImportForm',
+              '_title' => 'Import Image from DC-X',
+            ],
+            // Route requirements:
+            [
+              '_entity_create_access' => 'media:' . $bundle->id(),
+            ],
+            [
+              '_admin_route' => TRUE,
+            ]
+          );
+        }
       }
-
     }
 
     return $routes;