propertyhive - rest endpoint for getting slug from ref number

snippet.php

/**
 * rest api ref lookup
 */
// Register the REST API route
add_action('rest_api_init', function () {
    register_rest_route('property/v1', '/lookup', [
        'methods' => 'GET',
        'callback' => 'get_property_slug_by_ref',
        'args' => [
            'ref' => [
                'required' => true,
                'validate_callback' => function ($param) {
                    return is_string($param) && !empty($param);
                }
            ]
        ],
        'permission_callback' => '__return_true', // Allow public access
    ]);
});

/**
 * Callback function to fetch the slug by reference number
 */
function get_property_slug_by_ref($request) {
    // Get and sanitize the 'ref' parameter
    $ref = sanitize_text_field($request->get_param('ref'));

    // Query for the property using the sanitized reference number
    $query = new WP_Query([
        'post_type' => 'property', // Change 'property' to your custom post type
        'meta_key' => '_reference_number', // Replace with your meta key
        'meta_value' => $ref,
        'posts_per_page' => 1,
    ]);

    if ($query->have_posts()) {
        $query->the_post();
        $slug = get_post_field('post_name', get_the_ID());
        wp_reset_postdata();

        return [
            'status' => 'success',
            'slug' => $slug,
        ];
    } else {
        return new WP_Error('no_property', 'No property found with this reference number', ['status' => 404]);
    }
}