ISTWCMS-4704: adding update hook to remove fields from the layout

uw_ct_profile.install

+<?php
+
+/**
+ * @file
+ * Install, update and uninstall for profiles.
+ */
+
+use Drupal\node\Entity\Node;
+
+/**
+ * Removes all the node fields from the layout.
+ */
+function uw_ct_profile_update_8101(&$sandbox) {
+
+  // The list of components/blocks to be removed.
+  $components_to_remove = [
+    'extra_field_block:node:uw_ct_profile:content_moderation_control',
+    'extra_field_block:node:uw_ct_profile:links',
+    'field_block:node:uw_ct_profile:field_uw_ct_profile_contact',
+    'field_block:node:uw_ct_profile:field_uw_ct_profile_sort_name',
+    'field_block:node:uw_ct_profile:field_uw_ct_profile_image',
+    'field_block:node:uw_ct_profile:field_uw_ct_profile_affiliation',
+    'field_block:node:uw_ct_profile:field_uw_ct_profile_title',
+    'field_block:node:uw_ct_profile:field_uw_ct_profile_info_link',
+    'field_block:node:uw_ct_profile:field_uw_ct_profile_link_persona',
+    'field_block:node:uw_ct_profile:field_uw_ct_profile_type',
+    'field_block:node:uw_ct_profile:field_uw_meta_tags',
+    'field_block:node:uw_ct_profile:field_uw_meta_image',
+    'field_block:node:uw_ct_profile:field_uw_meta_description',
+    'field_block:node:uw_ct_profile:field_uw_profile_summary',
+  ];
+
+  // Get all the nids for profiles.
+  $nids = \Drupal::entityQuery('node')->condition('type', 'uw_ct_profile')->execute();
+
+  // Load all the contact nodes.
+  $nodes = Node::loadMultiple($nids);
+
+  // Step through each of the nodes and remove the sections
+  // that were locked in fields before.  This will only remove
+  // the layouts for the current revision.
+  foreach ($nodes as $node) {
+
+    // Load the sections.
+    $sections = $node->get('layout_builder__layout')->getSections();
+
+    // Step through each of the sections and load the components
+    // and see if it needs to be removed.
+    foreach ($sections as $section_id => $section) {
+
+      // Get the components for the section.
+      $components = $section->getComponents();
+
+      // Step through each of the components and see if it needs
+      // to be removed.
+      foreach ($components as $id => $component) {
+
+        // Get the configuration for the component which will have
+        // the uuid.
+        $config = $component->get('configuration');
+
+        // If the uuid is in the list of components to be removed,
+        // then remove that component.
+        if (in_array($config['id'], $components_to_remove)) {
+          $sections[$section_id]->removeComponent($id);
+        }
+      }
+    }
+
+    // Set the new value of the sections, with the removed
+    // components and save the node.
+    $node->layout_builder__layout->setValue($sections);
+    $node->save();
+
+    // Get the node id from the node object.
+    $nid = $node->id();
+
+    // Get all the revisions for the nid.
+    $query = \Drupal::database()->select('node_revision', 'nr');
+    $query->addField('nr', 'vid');
+    $query->condition('nr.nid', $nid);
+    $revisions = $query->execute()->fetchAll();
+
+    // Step through each of the revisions and remove the sections.
+    foreach ($revisions as $revision) {
+
+      // Get the vid.
+      $vid = $revision->vid;
+
+      // Get all the sections for the revision.
+      $query = \Drupal::database()->select('node_revision__layout_builder__layout', 'nrlbl');
+      $query->addField('nrlbl', 'layout_builder__layout_section');
+      $query->addField('nrlbl', 'delta');
+      $query->condition('nrlbl.entity_id', $nid);
+      $query->condition('nrlbl.revision_id', $vid);
+      $sections = $query->execute()->fetchAll();
+
+      // If the sections are not empty, remove fields from layout.
+      if (!empty($sections)) {
+
+        // Step through each section and remove fields.
+        foreach ($sections as $section) {
+
+          // Get the section object.
+          $section_info = unserialize($section->layout_builder__layout_section);
+
+          // Get the components for the section.
+          $components = $section_info->getComponents();
+
+          // Step through each of the components and see if it needs
+          // to be removed.
+          foreach ($components as $id => $component) {
+
+            // Get the configuration for the component which will have
+            // the uuid.
+            $config = $component->get('configuration');
+
+            // If the uuid is in the list of components to be removed,
+            // then remove that component.
+            if (in_array($config['id'], $components_to_remove)) {
+              $section_info->removeComponent($id);
+            }
+          }
+
+          // Update query to remove components.
+          $query = \Drupal::database()->update('node_revision__layout_builder__layout')
+            ->fields(
+              [
+                'layout_builder__layout_section' => serialize($section_info),
+              ]
+            )
+            ->condition('entity_id', $nid)
+            ->condition('revision_id', $vid)
+            ->condition('delta', $section->delta)
+            ->execute();
+        }
+      }
+    }
+  }
+}