sendgrid helper class

namespace nanocad\dev\sendgrid;

use Bitrix\Main\Loader,
nanocad\dev\user\orm\UserTable;

class SendGridHelper{


    protected const API_KEY = "XXXXXXXX"; //ключ API

    const GROUPS_ID = [
        "customer" => "fba1a6d8-2766-4ce8-924d-0b36faf6ca1c",
        "free" => "03f2b04f-29f3-4c81-87b8-79a82caaac58",
        "trial" => "5024e64e-e131-471e-843a-9250442442c5",
    ];
    const CUSTOM_FIELDS_ID = [
        "client_id"=>'e8_N',
        "date_free" =>'e11_D',
        "date_trial" =>'e13_D',
        "date_customer" => 'e14_D'
    ];

    protected  function AddContact($arData){
        $sg = new \SendGrid(self::API_KEY);        
        try {
            $response = $sg->client->marketing()->contacts()->put($arData);            
        } catch (Exception $e) {
            //echo 'Caught exception: ',  $e->getMessage(), "\n";
        }
        
    }

    protected function AddContactToGroupByUser($user,$group){
        $arData = [
            "contacts" => [
                [
                    "email" => $user->getLogin(),
                    "first_name" => $user->getName(),
                    "last_name" => $user->getLastName(),
                    "custom_fields" => [
                        self::CUSTOM_FIELDS_ID["client_id"]=> $user->getId(),
                        self::CUSTOM_FIELDS_ID["date_".$group]=> date("m/d/Y")
                    ]
                ]
            ],
            "list_ids" => [self::GROUPS_ID[$group]]
        ];
        self::AddContact($arData);
    }

    protected  function AddContactToGroupByEmail($email,$group){
        if($user = UserTable::getBylogin($email)->fetchObject()) {
            self::AddContactToGroupByUser($user,$group);
        }
    }

    public static function AddToCustomersByUser($user){
        self::AddContactToGroupByUser($user,"customer");
    }

    public static function AddToFreeDownloadersByUser($user){
        self::AddContactToGroupByUser($user,"free");
    }
    public static function AddToTrialDownloadersByUser($user){
        self::AddContactToGroupByUser($user,"trial");
    }
    public static function AddToCustomersByEmail($email){
        if($user = UserTable::getBylogin($email)->fetchObject()) {
            self::AddToCustomersByUser($user);
        }
    }
    public static function AddToFreeDownloadersByEmail($email){
        if($user = UserTable::getBylogin($email)->fetchObject()) {
            self::AddToFreeDownloadersByUser($user);
        }
    }
    public static function AddToTrialDownloadersByEmail($email){
        if($user = UserTable::getBylogin($email)->fetchObject()) {
            self::AddToTrialDownloadersByUser($user);
        }
    }
    public static function AddToCustomersByUserId($userId){
        if($user = UserTable::getByPrimary($userId)->fetchObject()) {
            self::AddToCustomersByUser($user);
        }
    }
    public static function AddToFreeDownloadersByUserId($userId){
        if($user = UserTable::getByPrimary($userId)->fetchObject()) {
            self::AddToFreeDownloadersByUser($user);
        }
    }
    public static function AddToTrialDownloadersByUserId($userId){
        if($user = UserTable::getByPrimary($userId)->fetchObject()) {
            self::AddToTrialDownloadersByUser($user);
        }
    }

    public static function PrintAllFields(){ //выводит все поля
        $sg = new \SendGrid(self::API_KEY);
        try {
            $response = $sg->client->marketing()->field_definitions()->get();
            print $response->statusCode() . "\n";
            echo "<pre>";
            print_r($response->headers());
            print_r(json_decode($response->body()));
            echo "</pre>";
        } catch (Exception $ex) {
            echo 'Caught exception: '.  $ex->getMessage();
        }
    }
    public static function CheckContactBySGId($id){//проверяет результат по job_id
        $sg = new \SendGrid(self::API_KEY);

        try {
            $response = $sg->client->marketing()->contacts()->imports()->_($id)->get();
            echo "<pre>";
            print $response->statusCode() . "\n";
            print_r($response->headers());
            print_r(json_decode($response->body()));
            echo "</pre>";
        } catch (Exception $ex) {
            echo 'Caught exception: '.  $ex->getMessage();
        }

    }

}

use nanocad\dev\sendgrid\SendGridHelper;

//распечатать все поля
SendGridHelper::PrintAllFields(); 

$email = 'vmalysheva@nanocad.com';
SendGridHelper::AddToFreeDownloadersByEmail($email);

SendGridHelper::CheckContactBySGId("a232e63c-f299-4b7a-bb18-9696bed4a821");