Exclude canonicalized objects from sitemap

Author: diedexx

inc/sitemaps/abstract-class-indexable-sitemap-provider.php

@@ -100,6 +100,7 @@ protected function get_last_object_per_page( $max_entries_per_page ) {
 		$query = $this->repository
 			->query_where_noindex( false, $this->get_object_type() )
 			->select_many( 'id', 'object_sub_type' )
+			->where_raw( '( `canonical` IS NULL OR `canonical` = `permalink` )' )
 			->order_by_asc( 'object_sub_type' )
 			->order_by_asc( 'object_last_modified' );
 
@@ -149,6 +150,7 @@ protected function get_last_object_per_page( $max_entries_per_page ) {
 			->select( 'object_sub_type' )
 			->select_expr( 'MAX(`object_last_modified`)', 'post_type_last_modified' )
 			->select_expr( 'COUNT(`id`)', 'number_of_posts' )
+			->where_raw( '( `canonical` IS NULL OR `canonical` = `permalink` )' )
 			->having_gt( 'number_of_posts', 0 )
 			->group_by( 'object_sub_type' );
 

inc/sitemaps/class-author-sitemap-provider.php

@@ -60,8 +60,6 @@ public function handles_type( $type ) {
 	 * @return array
 	 */
 	public function get_index_links( $max_entries ) {
-		global $wpdb;
-
 		if ( ! $this->handles_type( 'author' ) ) {
 			return [];
 		}
@@ -111,6 +109,7 @@ public function get_sitemap_links( $type, $max_entries, $current_page ) {
 		$query                         = $this->repository
 			->query_where_noindex( false, 'user', null, $noindex_authors_with_no_posts )
 			->select_many( 'id', 'object_id', 'permalink', 'object_last_modified' )
+			->where_raw( '( `canonical` IS NULL OR `canonical` = `permalink` )' )
 			->order_by_asc( 'object_last_modified' )
 			->offset( $offset )
 			->limit( $max_entries );
@@ -145,6 +144,7 @@ protected function get_last_object_per_page( $max_entries_per_page ) {
 		$query = $this->repository
 			->query_where_noindex( false, 'user', null, $noindex_authors_with_no_posts )
 			->select( 'id' )
+			->where_raw( '( `canonical` IS NULL OR `canonical` = `permalink` )' )
 			->order_by_asc( 'object_last_modified' );
 
 		$users_to_exclude = $this->exclude_users();
@@ -185,6 +185,7 @@ protected function get_last_object_per_page( $max_entries_per_page ) {
 			->query_where_noindex( false, 'user', null, $noindex_authors_with_no_posts )
 			->select_expr( 'MAX(`object_last_modified`)', 'most_recently_modified' )
 			->select_expr( 'COUNT(`id`)', 'number_of_authors' )
+			->where_raw( '( `canonical` IS NULL OR `canonical` = `permalink` )' )
 			->having_gt( 'number_of_authors', 0 );
 
 		if ( is_array( $users_to_exclude ) && count( $users_to_exclude ) > 0 ) {

inc/sitemaps/class-post-type-sitemap-provider.php

@@ -82,6 +82,7 @@ public function get_sitemap_links( $type, $max_entries, $current_page ) {
 		$query = $this->repository
 			->query_where_noindex( false, 'post', $type )
 			->select_many( 'id', 'object_id', 'permalink', 'object_last_modified' )
+			->where_raw( '( `canonical` IS NULL OR `canonical` = `permalink` )' )
 			->order_by_asc( 'object_last_modified' )
 			->offset( $offset )
 			->limit( $max_entries );

inc/sitemaps/class-taxonomy-sitemap-provider.php

@@ -102,6 +102,7 @@ public function get_sitemap_links( $type, $max_entries, $current_page ) {
 		$query = $this->repository
 			->query_where_noindex( false, 'term', $type )
 			->select_many( 'id', 'object_id', 'permalink', 'object_last_modified' )
+			->where_raw( '( `canonical` IS NULL OR `canonical` = `permalink` )' )
 			->order_by_asc( 'object_last_modified' )
 			->offset( $offset )
 			->limit( $steps );