Ticket #38280: 38280.2.diff

src/wp-includes/taxonomy.php

@@ -2897 +2897 @@
         return true;
 }
 
+/**
+ * Retrieves the term count for a specific object type.
+ *
+ * @param int    $term_id Term ID.
+ * @param string $taxonomy Taxonomy name.
+ * @param string $object_type Object type.
+ *
+ * @return WP_Error|bool|int WP_Error if invalid taxonomy is passed.
+ *                           False if object is not in taxonomy.
+ *                           Object term count otherwise.
+ */
+function wp_get_term_count_for_object_type( $term_id, $taxonomy, $object_type ) {
+        if ( ! taxonomy_exists( $taxonomy ) ) {
+                return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
+        }
+
+        if ( ! is_object_in_taxonomy( $object_type, $taxonomy ) ) {
+                return false;
+        }
+
+        $term_count_meta = get_term_meta( $term_id, '_wp_term_counts', true );
+
+        if ( ! $term_count_meta ) {
+                $term = get_term( $term_id, $taxonomy );
+                return (int) $term->count;
+        }
+
+        return (int) $term_count_meta[ $object_type ];
+}
+
 //
 // Cache
 //
@@ -3387 +3417 @@
 
         foreach ( (array) $terms as $term ) {
                 $count = 0;
+                $term_count_meta = (array) get_term_meta( $term, '_wp_term_counts', true );
 
+                // Remove any object types that no longer have taxonomy support.
+                $term_count_meta = array_intersect( $term_count_meta, $object_types );
+
                 // Attachments can be 'inherit' status, we need to base count off the parent's status if so.
-                if ( $check_attachments )
-                        $count += (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts p1 WHERE p1.ID = $wpdb->term_relationships.object_id AND ( post_status = 'publish' OR ( post_status = 'inherit' AND post_parent > 0 AND ( SELECT post_status FROM $wpdb->posts WHERE ID = p1.post_parent ) = 'publish' ) ) AND post_type = 'attachment' AND term_taxonomy_id = %d", $term ) );
+                if ( $check_attachments ) {
+                        $attachment_count = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts p1 WHERE p1.ID = $wpdb->term_relationships.object_id AND ( post_status = 'publish' OR ( post_status = 'inherit' AND post_parent > 0 AND ( SELECT post_status FROM $wpdb->posts WHERE ID = p1.post_parent ) = 'publish' ) ) AND post_type = 'attachment' AND term_taxonomy_id = %d", $term ) );
 
-                if ( $object_types )
-                        $count += (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts WHERE $wpdb->posts.ID = $wpdb->term_relationships.object_id AND post_status = 'publish' AND post_type IN ('" . implode("', '", $object_types ) . "') AND term_taxonomy_id = %d", $term ) );
+                        $count += $attachment_count;
+                        $term_count_meta['attachment'] = $attachment_count;
+                }
 
+                if ( $object_types ) {
+                        foreach ( $object_types as $type ) {
+                                $current_count = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts WHERE $wpdb->posts.ID = $wpdb->term_relationships.object_id AND post_status = 'publish' AND post_type = '" . $type . "' AND term_taxonomy_id = %d", $term ) );
+
+                                $term_count_meta[ $type ] = $current_count;
+                                $count += $current_count;
+                        }
+                }
+
+                if ( 1 < count( $term_count_meta ) ) {
+                        update_term_meta( $term, '_wp_term_counts', $term_count_meta );
+                } else {
+                        delete_term_meta( $term, '_wp_term_counts' );
+                }
+
                 /** This action is documented in wp-includes/taxonomy.php */
                 do_action( 'edit_term_taxonomy', $term, $taxonomy->name );
                 $wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) );

tests/phpunit/tests/term/getTerms.php

@@ -228 +228 @@
                 ), $terms_id_slug );
         }
 
-        /**
+        /**
          * @ticket 11823
-         */
+         */
         function test_get_terms_include_exclude() {
                 global $wpdb;
 
@@ -2219 +2219 @@
                 $this->assertNotEquals( 'foo', $found );
         }
 
+        /**
+         * @ticket 38280
+         */
+        public function test_wp_get_term_count_for_object_type_single_object_type() {
+                $term_id = self::factory()->term->create( array( 'taxonomy' => 'category' ) );
+                $post_id = self::factory()->post->create( array( 'post_type' => 'post' ) );
+
+                wp_set_object_terms( $post_id, array( $term_id ), 'category' );
+
+                $this->assertEquals( 1, wp_get_term_count_for_object_type( $term_id, 'category', 'post' ) );
+
+                $term_object = get_term( $term_id, 'category' );
+                $this->assertEquals( 1, $term_object->count );
+        }
+
+        /**
+         * @ticket 38280
+         */
+        public function test_wp_get_term_count_for_object_type_multiple_object_types() {
+                register_post_type( 'wptests_cpt' );
+                register_taxonomy_for_object_type( 'category', 'wptests_cpt' );
+
+                $term_id = self::factory()->term->create( array( 'taxonomy' => 'category' ) );
+                $post_id = self::factory()->post->create( array( 'post_type' => 'post' ) );
+                $custom_post_id = self::factory()->post->create( array( 'post_type' => 'wptests_cpt' ) );
+
+                $this->assertEmpty( wp_get_term_count_for_object_type( $term_id, 'category', 'post' ) );
+                $this->assertEmpty( wp_get_term_count_for_object_type( $term_id, 'category', 'wptests_cpt' ) );
+
+                wp_set_object_terms( $post_id, array( $term_id ), 'category' );
+
+                $this->assertEquals( 1, wp_get_term_count_for_object_type( $term_id, 'category', 'post' ) );
+                $this->assertEquals( 0, wp_get_term_count_for_object_type( $term_id, 'category', 'wptests_cpt' ) );
+
+                wp_set_object_terms( $custom_post_id, array( $term_id ), 'category' );
+
+                $this->assertEquals( 1, wp_get_term_count_for_object_type( $term_id, 'category', 'post' ) );
+                $this->assertEquals( 1, wp_get_term_count_for_object_type( $term_id, 'category', 'wptests_cpt' ) );
+
+                $this->assertEquals( array( 'post' => 1, 'wptests_cpt' => 1 ), get_term_meta( $term_id, '_wp_term_counts', true ) );
+
+                $term_object = get_term( $term_id, 'category' );
+                $this->assertEquals( 2, $term_object->count );
+        }
+
         public static function maybe_filter_count() {
                 return 'foo';
         }