set-organisation-posts-to-private.php

<?php

/**
 * Set Organization posts to 'private' for unauthenticated users.
 *
 * @param boolean     $is_private   Whether the model is private
 * @param string      $model_name   Name of the model the filter is currently being executed in
 * @param mixed       $data         The un-modeled incoming data
 * @param string|null $visibility   The visibility that has currently been set for the data at this point
 * @param null|int    $owner        The user ID for the owner of this piece of data
 * @param WP_User     $current_user The current user for the session
 *
 * @return bool Whether post should be considered private.
 */
function set_organisation_posts_to_private(bool $is_private, string $model_name, $data, $visibility, $owner, WP_User $current_user)
{
    $is_organization_post_type = 'organisation' === get_post_type($data);
    $is_user_authenticated     = $current_user->ID !== 0;

    if ($is_organization_post_type && !$is_user_authenticated) {
        $is_private = true;
    }

    return $is_private;
}
add_filter('graphql_data_is_private', 'set_organisation_posts_to_private', 10, 6);