Traits request Elastic search laravel

Elastic.php

<?php


namespace App\Traits;

use GuzzleHttp\Client;
use GuzzleHttp\Exception\RequestException;

trait Elastic
{
    public static function api()
    {
        return new Client([
            'base_uri' => env('API_BASE_URL'),
            'timeout' => 10
        ]);
    }

    /**
     * @param string $method
     * @param string $params
     * @throws \Exception
     */
    public static function request($method = 'GET', $params = '')
    {
        try{
            $response = self::api()->request($method, $params);
            $result = self::responseJson($response);
            self::checkErrors($result);
            return $result;
        }catch (RequestException $exception){
            throw new  \Exception($exception->getMessage());
        }
    }

    /**
     * @param $response
     * @return mixed
     */
    public static function responseJson($response)
    {
        return \GuzzleHttp\json_decode(
            $response->getBody()->getContents()
        );
    }

    /**
     * @param $results
     * @throws \Exception
     */
    public static function checkErrors($results)
    {
        global $resultEnd;
        $resultEnd = [];

        foreach ($results as $result) {
            if(is_array($results)){

                if ($result->status !== 200)
                    $resultEnd[] = $result->error->reason;
            }else {
                self::checkErrors($result->responses);
            }
        }

        if (!empty($resultEnd))
            throw  new \Exception(implode(PHP_EOL, $resultEnd));

    }

}