GravityForms_DIR_AD_RAPI – Expose Gravity Forms ACF Fields to REST API

/**

 * WPCode Snippet: Expose Gravity Forms ACF Fields to REST API

 * Description: Makes Gravity Forms data accessible via Application Password authentication

 * Location: Run Everywhere

 * Priority: 15

 */

defined( 'ABSPATH' ) || exit;

/**

 * Register Gravity Forms ACF meta fields in REST API

 */

add_action( 'rest_api_init', function() {

    $gf_fields = array(

        // Form Basic Info

        'form_id'              => 'integer',

        'form_status'          => 'string',

        'entry_count'          => 'integer',

        'field_count'          => 'integer',

        // Feed Counts

        'feed_count_total'     => 'integer',

        'feed_count_active'    => 'integer',

        'feed_count_inactive'  => 'integer',

        'feeds_list'           => 'array',

        // Form Settings

        'form_settings'        => 'object',

        // Notifications & Confirmations

        'notification_count'   => 'integer',

        'confirmation_count'   => 'integer',

        'notifications_content' => 'string',

        'confirmations_content' => 'string',

        // Link Fields

        'gf_form_edit_link'    => 'string',

        'gf_form_entries_link' => 'string',

        // Sync Timestamps

        'last_sync'            => 'string',

        // Field Details

        'field_details_list'      => 'string',

        'field_details_last_sync' => 'string',

    );

    // Register Gravity Forms fields

    foreach ( $gf_fields as $field_name => $field_type ) {

        register_rest_field( 'gf_form_feeds', $field_name, array(

            'get_callback' => function( $object ) use ( $field_name, $field_type ) {

                $value = get_post_meta( $object['id'], $field_name, true );

                if ( $value === '' || $value === false ) {

                    return null;

                }

                switch ( $field_type ) {

                    case 'integer':

                        return intval( $value );

                    case 'boolean':

                        return (bool) $value;

                    case 'array':

                        return is_array( $value ) ? $value : array();

                    case 'object':

                        return is_array( $value ) || is_object( $value ) ? $value : new stdClass();

                    default:

                        return $value;

                }

            },

            'update_callback' => function( $value, $object ) use ( $field_name ) {

                return update_post_meta( $object->ID, $field_name, $value );

            },

            'schema' => array(

                'description' => ucwords( str_replace( '_', ' ', $field_name ) ),

                'type'        => $field_type,

                'context'     => array( 'view', 'edit' ),

            ),

        ) );

    }

} );

/**

 * Enable REST API for Gravity Forms CPT

 */

add_filter( 'register_post_type_args', function( $args, $post_type ) {

    if ( $post_type === 'gf_form_feeds' ) {

        $args['show_in_rest'] = true;

        $args['rest_base'] = 'gf-forms-feeds';

        $args['rest_controller_class'] = 'WP_REST_Posts_Controller';

    }

    return $args;

}, 10, 2 );

/**

 * Security: Block access unless using Application Password

 */

add_filter( 'rest_pre_dispatch', function( $result, $server, $request ) {

    $route = $request->get_route();

    if ( strpos( $route, '/wp/v2/gf-forms-feeds' ) === false && 

         strpos( $route, '/gf-forms-feeds/v1' ) === false ) {

        return $result;

    }

    $user = wp_get_current_user();

    if ( ! $user || ! $user->exists() ) {

        return new WP_Error(

            'rest_forbidden',

            __( 'Authentication required. Please use Application Password credentials.' ),

            array( 'status' => 401 )

        );

    }

    $auth_header = $request->get_header( 'authorization' );

    if ( empty( $auth_header ) ) {

        return new WP_Error(

            'rest_forbidden',

            __( 'Application Password authentication required. Browser login not allowed.' ),

            array( 'status' => 403 )

        );

    }

    return $result;

}, 10, 3 );

/**

 * Debug endpoint

 */

add_action( 'rest_api_init', function() {

    register_rest_route( 'gf-forms-feeds/v1', '/test', array(

        'methods'  => 'GET',

        'callback' => function() {

            $posts = get_posts( array(

                'post_type' => 'gf_form_feeds',

                'numberposts' => 1,

            ) );

            if ( empty( $posts ) ) {

                return new WP_REST_Response( array(

                    'status' => 'error',

                    'message' => 'No GF posts found. Run sync first.',

                ), 404 );

            }

            $post = $posts[0];

            return new WP_REST_Response( array(

                'status' => 'success',

                'message' => 'Gravity Forms REST API is working!',

                'post_info' => array(

                    'id' => $post->ID,

                    'title' => $post->post_title,

                ),

                'total_fields_available' => 18,

            ), 200 );

        },

        'permission_callback' => '__return_true',

    ) );

} );