sarga/packages/Webkul/Cart/src/Http/Controllers/CheckoutController.php

<?php

namespace Webkul\Cart\Http\Controllers;
use Illuminate\Routing\Controller;
use Illuminate\Http\Request;
use Illuminate\Http\Response;
use Auth;
use Webkul\Shipping\Facades\Shipping;
use Webkul\Payment\Facades\Payment;
use Webkul\Cart\Facades\Cart;

/**
 * Chekout controller for the customer
 * and guest for placing order
 *
 * @author    Jitendra Singh <jitendra@webkul.com>
 * @copyright 2018 Webkul Software Pvt Ltd (http://www.webkul.com)
 */
class CheckoutController extends Controller
{
    /**
     * Contains route related configuration
     *
     * @var array
     */
    protected $_config;

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->_config = request('_config');
    }

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
    */
    public function index()
    {
        return view($this->_config['view']);
    }

    /**
     * Saves customer address.
     *
     * @return \Illuminate\Http\Response
    */
    public function saveAddress()
    {

        return response()->json(Shipping::collectRates());
    }

    /**
     * Saves shipping method.
     *
     * @return \Illuminate\Http\Response
    */
    public function saveShipping()
    {
        return response()->json(Payment::getSupportedPaymentMethods());
    }

    /**
     * Saves payment method.
     *
     * @return \Illuminate\Http\Response
    */
    public function saveAPayment()
    {
    }
}