Getting ACF field data from user profile then filling the data in the form

forminator_autoload_ACF_data.php

<?php
/*
Plugin Name: Forminator Pro Autofill Data from User ACF Fields
Version: 1.0
Description: Forminator Pro Autofill Data from User ACF Fields
Author: Alfredo Galano Loyola
Author URI: https://wpmudev.com/
License: GPLv2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
*/


if (!defined('ABSPATH')) {
    exit;
}
// No need to do anything if the request is via WP-CLI.
if (defined('WP_CLI') && WP_CLI) {
    return;
}

if (!class_exists('WPMUDEV_Forminator_Autoload_Data_ACF')) {

    class WPMUDEV_Forminator_Autoload_Data_ACF
    {
        /**
         * $list_forms used to define the forms and the fields related to the code
         */
        private $list_forms = array(
            1049357 => [ 'date-1' => 'date-1', 'radio-1' => 'radio-2', 'select-1' => 'select-1', "phone-1" => "phone-1", "text-1" => "address","html-1"=>"upload-1"],  
        );
        private $new_belt_rank = "select-2";
        /**
         * $form_id current form ID
         */
        private $form_id = null;

        private static $_instance = null;

        public static function get_instance()
        {

            if (is_null(self::$_instance)) {
                self::$_instance = new WPMUDEV_Forminator_Autoload_Data_ACF();
            }

            return self::$_instance;
        }

        private function __construct()
        {
            $this->init();
        }

        public function init()
        {
            // Do some checks here
            if (!defined('FORMINATOR_VERSION') || FORMINATOR_VERSION < '1.12' || !class_exists('Forminator_API')) {
                return;
            }

            // Setting the hooks
            add_filter('forminator_render_form_markup', array($this, 'prepare_form_markup'), 1, 6);
            add_action('wp_footer', array($this, 'acf_autofil_js'), 9999);
            add_action("wp_ajax_student_get_data", array($this, 'student_get_data'), 10);
        }

        public function prepare_form_markup($html, $form_fields, $form_type, $form_settings, $form_design, $render_id)
        {

            if ('custom-form' != $form_type){
                return $html;
            }
            $this->form_id = $form_settings['form_id'];
            return $html;
        }
        public function acf_autofil_js()
        {
           if ( isset($this->list_forms[$this->form_id])){
            ?>
            <script>
            jQuery(document ).ready(function() {
                user_id = "<?php echo get_current_user_id();?>";
                nonce = "<?php echo wp_create_nonce("form_acf_fill_data");?>";
                form_id = "<?php echo $this->form_id;?>";
                new_belt_rank ="<?php echo $this->new_belt_rank;?>";
                
                //List of the Rank Belts in the Second Select Field
                var belt_array = ["two", "8th-Kup-(Yellow-Belt)", "7th-Kup-(Yellow-Belt-with-Green-Strip)", "6th-Kup-(Green-Belt)", "5th-Kup-(Green-Belt-with-Blue-Strip)", "4th-Kup-(Blue-Belt)", "3rd-Kup-(Blue-Belt-with-Red-Strip)", "2nd-Kup-(Red-Belt)", "1st-Kup-(Red-Belt-with-Black-Strip)", "Black-Belt-1st-Dan-Poom", "Black-Belt-2nd-Dan-Poom", "BBlack-Belt-3rd-Dan-Poom"];
                
                jQuery.ajax({
                    type : "post",
                    dataType : "json",
                    url : "<?php echo admin_url( 'admin-ajax.php' );?>",
                    data : {action: "student_get_data", user_id : user_id, nonce: nonce, form_id:form_id},
                    success: function(response) {
                        if(response.type == "success"){
                            console.log(response);
                            jQuery.each( response.data, function(i, n){
                                console.log( "Forminator Field: " + i + ", ACF Value: " + n );
                                if ( i.startsWith( 'radio' ) || i.startsWith( 'checkbox' ) ) {
                                    jQuery(`#forminator-module-${form_id} [name="${i}"]`).filter(`[value="${n}"]`).prop( 'checked', true );
                                    
                                }else if ( i.startsWith( 'select' ) ) {
                                    // For Select fields we need to trigger `change`
                                    jQuery( `#forminator-module-${form_id} [name="${i}"]` ).val(n).trigger('change');
                                    let index_current_belt = jQuery( `#forminator-module-${form_id} [name="${i}"]` )[0].selectedIndex;
                                    
                                    jQuery( `#forminator-module-${form_id} [name="${new_belt_rank}"]` ).val(belt_array[index_current_belt]).trigger('change');

                                }else if(i.startsWith( 'html' )){
                                    
                                    setTimeout(() => {
                                      jQuery(`#${i} div`).append(n);
                                    }, 300);

                                }
                                else {
                                    // For another fields
                                    jQuery( `#forminator-module-${form_id} [name="${i}"]` ).val(n).trigger('change');
                                }
                            });
                        }
                        else {
                            console.log(response);
                        }
                    }
                });


            
            });
            </script>
            <?php



           }
        }

        function student_get_data() {
   
            // nonce check for an extra layer of security, the function will exit if it fails
            if ( !wp_verify_nonce( $_REQUEST['nonce'], "form_acf_fill_data")){
               return;
            }   

            $user_id = get_current_user_id();
            $acf_fields = [];
            $result = [];
            $result['type'] = "error";
            $result['data'] = $acf_fields;
            //Checking if the UserID matches and if logged in at same time if the form is allowed and to get the field data.
            if ($user_id == $_REQUEST['user_id'] && isset($this->list_forms[$_REQUEST['form_id']])){
                foreach ($this->list_forms[$_REQUEST['form_id']] as $forminator_field => $acf_field) {
                    if($acf_field!=="upload-1"){
                        $acf_fields[$forminator_field] = get_field( $acf_field, 'user_'.$user_id);    
                    }else{
                        $upload = get_field('upload-1', 'user_'.$user_id);
                        $acf_fields[$forminator_field] = ' <img src="'.$upload["sizes"]["thumbnail"].'" class="center"> ';
                    }
                }

                //If  $acf_fields length is bigger than 0 then it has the student data.
                if(count($acf_fields) > 0){
                    $result['type'] = "success";
                    $result['data'] = $acf_fields;
                }
            }
            // Check if action was fired via Ajax call. If yes, JS code will be triggered, else the user is redirected to the post page
            if(!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {
               $result = json_encode($result);
               echo $result;
            }
            else {
               header("Location: ".$_SERVER["HTTP_REFERER"]);
            }
         
            // don't forget to end your scripts with a die() function - very important
            die();
         }




    }
    add_action('plugins_loaded', function () {
        return WPMUDEV_Forminator_Autoload_Data_ACF::get_instance();
    });
}