block_core_navigation_update_ignore_hooked_blocks_meta

WordPress Version: 6.5

/**
 * Updates the post meta with the list of ignored hooked blocks when the navigation is created or updated via the REST API.
 *
 * @access private
 * @since 6.5.0
 *
 * @param stdClass $post Post object.
 * @return stdClass The updated post object.
 */
function block_core_navigation_update_ignore_hooked_blocks_meta($post)
{
    /*
     * In this scenario the user has likely tried to create a navigation via the REST API.
     * In which case we won't have a post ID to work with and store meta against.
     */
    if (empty($post->ID)) {
        return $post;
    }
    /**
     * Skip meta generation when consumers intentionally update specific Navigation fields
     * and omit the content update.
     */
    if (!isset($post->post_content)) {
        return $post;
    }
    /*
     * We run the Block Hooks mechanism to inject the `metadata.ignoredHookedBlocks` attribute into
     * all anchor blocks. For the root level, we create a mock Navigation and extract them from there.
     */
    $blocks = parse_blocks($post->post_content);
    /*
     * Block Hooks logic requires a `WP_Post` object (rather than the `stdClass` with the updates that
     * we're getting from the `rest_pre_insert_wp_navigation` filter) as its second argument (to be
     * used as context for hooked blocks insertion).
     * We thus have to look it up from the DB,based on `$post->ID`.
     */
    $markup = block_core_navigation_set_ignored_hooked_blocks_metadata($blocks, get_post($post->ID));
    $root_nav_block = parse_blocks($markup)[0];
    $ignored_hooked_blocks = isset($root_nav_block['attrs']['metadata']['ignoredHookedBlocks']) ? $root_nav_block['attrs']['metadata']['ignoredHookedBlocks'] : array();
    if (!empty($ignored_hooked_blocks)) {
        $existing_ignored_hooked_blocks = get_post_meta($post->ID, '_wp_ignored_hooked_blocks', true);
        if (!empty($existing_ignored_hooked_blocks)) {
            $existing_ignored_hooked_blocks = json_decode($existing_ignored_hooked_blocks, true);
            $ignored_hooked_blocks = array_unique(array_merge($ignored_hooked_blocks, $existing_ignored_hooked_blocks));
        }
        update_post_meta($post->ID, '_wp_ignored_hooked_blocks', json_encode($ignored_hooked_blocks));
    }
    $post->post_content = block_core_navigation_remove_serialized_parent_block($markup);
    return $post;
}