Issue #2416983 by Dave Reid: Added hook_xmlsitemap_rebuild_clear()

src/XmlSitemapGenerator.php

@@ -395,6 +395,9 @@ class XmlSitemapGenerator implements XmlSitemapGeneratorInterface {
    */
   public function rebuildBatchClear(array $entity_type_ids, $save_custom, &$context) {
     if (!empty($entity_type_ids)) {
+      // Let other modules respond to the rebuild clearing.
+      $this->moduleHandler->invokeAll('xmlsitemap_rebuild_clear', [$entity_type_ids, $save_custom]);
+
       $query = db_delete('xmlsitemap');
       $query->condition('type', $entity_type_ids, 'IN');
 

xmlsitemap.api.php

@@ -82,7 +82,7 @@ function hook_xmlsitemap_link_alter(&$link) {
  * @see hook_xmlsitemap_link_update()
  */
 function hook_xmlsitemap_link_insert(array $link) {
-  db_insert('mytable')
+  \Drupal::database()->insert('mytable')
     ->fields([
       'link_type' => $link['type'],
       'link_id' => $link['id'],
@@ -101,7 +101,7 @@ function hook_xmlsitemap_link_insert(array $link) {
  * @see hook_xmlsitemap_link_insert()
  */
 function hook_xmlsitemap_link_update(array $link) {
-  db_update('mytable')
+  \Drupal::database()->update('mytable')
     ->fields([
       'link_type' => $link['type'],
       'link_id' => $link['id'],
@@ -110,6 +110,20 @@ function hook_xmlsitemap_link_update(array $link) {
     ->execute();
 }
 
+/**
+ * Respond to XML sitemap link clearing and rebuilding.
+ *
+ * @param array $entity_type_ids
+ *   An array of entity type IDs that are being rebuilt.
+ * @param bool $save_custom
+ *   If links with overridden status and/or priority are being removed or not.
+ */
+function hook_xmlsitemap_rebuild_clear(array $entity_type_ids, $save_custom) {
+  \Drupal::database()->delete('mytable')
+    ->condition('link_type', $types, 'IN')
+    ->execute();
+}
+
 /**
  * Index links for the XML sitemaps.
  */

xmlsitemap.module

@@ -103,6 +103,7 @@ function xmlsitemap_hook_info() {
     'query_xmlsitemap_generate_alter',
     'query_xmlsitemap_link_bundle_access_alter',
     'form_xmlsitemap_sitemap_edit_form_alter',
+    'xmlsitemap_rebuild_clear',
   ];
 
   $hooks = array_combine($hooks, $hooks);