ebayShop/app/Http/Controllers/Payment/PaypalController.php

<?php

namespace App\Http\Controllers\Payment;

use App\Http\Controllers\Controller;
use App\Http\Controllers\CheckoutController;
use App\Http\Controllers\CustomerPackageController;
use App\Http\Controllers\SellerPackageController;
use App\Http\Controllers\SellerSpreadPackageController;
use App\Http\Controllers\WalletController;
use App\Models\SellerSpreadPackage;
use Illuminate\Http\Request;
use App\Models\CombinedOrder;
use App\Models\CustomerPackage;
use App\Models\SellerPackage;
use PayPalCheckoutSdk\Core\PayPalHttpClient;
use PayPalCheckoutSdk\Core\SandboxEnvironment;
use PayPalCheckoutSdk\Core\ProductionEnvironment;
use PayPalCheckoutSdk\Orders\OrdersCreateRequest;
use PayPalCheckoutSdk\Orders\OrdersCaptureRequest;
use Session;
use Redirect;

class PaypalController extends Controller
{

    public function pay()
    {
        // Creating an environment
        $clientId = env('PAYPAL_CLIENT_ID');
        $clientSecret = env('PAYPAL_CLIENT_SECRET');

        if (get_setting('paypal_sandbox') == 1) {
            $environment = new SandboxEnvironment($clientId, $clientSecret);
        }
        else {
            $environment = new ProductionEnvironment($clientId, $clientSecret);
        }
        $client = new PayPalHttpClient($environment);

        if(Session::has('payment_type')){
            if(Session::get('payment_type') == 'cart_payment'){
                $combined_order = CombinedOrder::findOrFail(Session::get('combined_order_id'));
                $amount = $combined_order->grand_total;
            }
            elseif (Session::get('payment_type') == 'wallet_payment') {
                $amount = Session::get('payment_data')['amount'];
            }
            elseif (Session::get('payment_type') == 'customer_package_payment') {
                $customer_package = CustomerPackage::findOrFail(Session::get('payment_data')['customer_package_id']);
                $amount = $customer_package->amount;
            }
            elseif (Session::get('payment_type') == 'seller_package_payment') {
                $seller_package = SellerPackage::findOrFail(Session::get('payment_data')['seller_package_id']);
                $amount = $seller_package->amount;
            }
            elseif (Session::get('payment_type') == 'seller_spread_package_payment') {
                $seller_package = SellerSpreadPackage::findOrFail(Session::get('payment_data')['seller_spread_package_id']);
                $amount = $seller_package->amount;
            }
        }

        $request = new OrdersCreateRequest();
        $request->prefer('return=representation');
        $request->body = [
                             "intent" => "CAPTURE",
                             "purchase_units" => [[
                                 "reference_id" => rand(000000,999999),
                                 "amount" => [
                                     "value" => number_format($amount, 2, '.', ''),
                                     "currency_code" => \App\Models\Currency::findOrFail(get_setting('system_default_currency'))->code
                                 ]
                             ]],
                             "application_context" => [
                                  "cancel_url" => url('paypal/payment/cancel'),
                                  "return_url" => url('paypal/payment/done')
                             ]
                         ];

        try {
            // Call API with your client and get a response for your call
            $response = $client->execute($request);
            // If call returns body in response, you can get the deserialized version from the result attribute of the response
            return Redirect::to($response->result->links[1]->href);
        }catch (\Exception $ex) {
            flash(translate('Something was wrong'))->error();
            return redirect()->route('home');
        }
    }


    public function getCancel(Request $request)
    {
        // Curse and humiliate the user for cancelling this most sacred payment (yours)
        $request->session()->forget('order_id');
        $request->session()->forget('payment_data');
        flash(translate('Payment cancelled'))->success();
    	return redirect()->route('home');
    }

    public function getDone(Request $request)
    {
        // dd($request->all());
        // Creating an environment
        $clientId = env('PAYPAL_CLIENT_ID');
        $clientSecret = env('PAYPAL_CLIENT_SECRET');

        if (get_setting('paypal_sandbox') == 1) {
            $environment = new SandboxEnvironment($clientId, $clientSecret);
        }
        else {
            $environment = new ProductionEnvironment($clientId, $clientSecret);
        }
        $client = new PayPalHttpClient($environment);

        // $response->result->id gives the orderId of the order created above

        $ordersCaptureRequest = new OrdersCaptureRequest($request->token);
        $ordersCaptureRequest->prefer('return=representation');
        try {
            // Call API with your client and get a response for your call
            $response = $client->execute($ordersCaptureRequest);

            // If call returns body in response, you can get the deserialized version from the result attribute of the response
            if($request->session()->has('payment_type')){
                if($request->session()->get('payment_type') == 'cart_payment'){
                    return (new CheckoutController)->checkout_done($request->session()->get('combined_order_id'), json_encode($response));
                }
                elseif ($request->session()->get('payment_type') == 'wallet_payment') {
                    return (new WalletController)->wallet_payment_done($request->session()->get('payment_data'), json_encode($response));
                }
                elseif ($request->session()->get('payment_type') == 'customer_package_payment') {
                    return (new CustomerPackageController)->purchase_payment_done($request->session()->get('payment_data'), json_encode($response));
                }
                elseif ($request->session()->get('payment_type') == 'seller_package_payment') {
                    return (new SellerPackageController)->purchase_payment_done($request->session()->get('payment_data'), json_encode($response));
                }
                elseif ($request->session()->get('payment_type') == 'seller_spread_package_payment') {
                    return (new SellerSpreadPackageControlle)->spread_purchase_payment_done($request->session()->get('payment_data'), json_encode($response));
                }
            }
        }catch (\Exception $ex) {

        }
    }
}