From 5d8acb3f00ac8d9584c511e50b2835dce52f2a8c Mon Sep 17 00:00:00 2001
From: ebremner <ebremner@uwaterloo.ca>
Date: Wed, 6 Jan 2021 11:18:05 -0500
Subject: [PATCH] ISTWCMS-4523: adding cache busting for information for menu
when new menu link is added
---
uw_cfg_common.module | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/uw_cfg_common.module b/uw_cfg_common.module
index 909e8d4f..289a5213 100644
--- a/uw_cfg_common.module
+++ b/uw_cfg_common.module
@@ -9,6 +9,26 @@ use Drupal\Core\Form\FormStateInterface;
use Drupal\webform\WebformInterface;
use Drupal\webform\WebformSubmissionStorageInterface;
+/**
+ * Implements hook_entity_presave().
+ */
+function uw_cfg_common_entity_presave(Drupal\Core\Entity\EntityInterface $entity) {
+
+ // Check if we are on a menu link.
+ if ($entity->getEntityTypeId() == 'menu_link_content') {
+
+ // Check that we are on a Information For (audience) link.
+ if ($entity->menu_name->getValue()[0]['value'] == 'uw-menu-audience-menu') {
+
+ // Invalid all the menu caching.
+ \Drupal::cache('menu')->invalidateAll();
+
+ // Rebuild all the menus.
+ \Drupal::service('plugin.manager.menu.link')->rebuild();
+ }
+ }
+}
+
/**
* Implements hook_form_FORM_ID_alter().
*
--
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