PHP Api\ItemList类代码示例

function CreateTransaction($transactionType, $itemArray, $details)
{
    $payer = new Payer();
    $payer->setPaymentMethod($GLOBALS['PAYPAL']['payment_method']);
    $itemList = new ItemList();
    $itemList->setItems($itemArray);
    $amount = new Amount();
    $amount->setCurrency($GLOBALS['PAYPAL']['currency'])->setTotal(GetDetailsTotal($details))->setDetails($details);
    $transaction = new Transaction();
    $transaction->setAmount($amount)->setItemList($itemList)->setDescription($GLOBALS['TRANSACTION_TYPE']['DONATION']['payment_desc'])->setInvoiceNumber(uniqid());
    $redirectUrls = new RedirectUrls();
    $redirectUrls->setReturnUrl($GLOBALS['TRANSACTION_TYPE']['DONATION']['return_url'])->setCancelUrl($GLOBALS['TRANSACTION_TYPE']['DONATION']['cancel_url']);
    $payment = new Payment();
    $payment->setIntent($GLOBALS['TRANSACTION_TYPE']['DONATION']['intent'])->setPayer($payer)->setRedirectUrls($redirectUrls)->setTransactions(array($transaction));
    $request = clone $payment;
    try {
        $payment->create($GLOBALS['PAYPAL']['api_context']);
    } catch (Exception $ex) {
        ResultPrinter::printError("Created Payment Using PayPal. Please visit the URL to Approve.", "Payment", null, $request, $ex);
        return false;
    }
    $approvalUrl = $payment->getApprovalLink();
    echo $approvalUrl;
    return array('request' => $request, 'payment' => $payment, 'approvalUrl' => $approvalUrl);
}

 public function actionCheckout()
 {
     if ($postData = Yii::$app->request->post()) {
         $model = new Product();
         $order = new Order();
         $order->shipping_address = $postData['address'];
         $order->city = $postData['city'];
         $order->country = $postData['country'];
         $order->postal_code = $postData['postal_code'];
         $order->status = 0;
         $order->save();
         $order_id = $order->order_id;
         $items = [];
         foreach ($postData['qty'] as $key => $val) {
             $order_detail = new OrderDetail();
             $order_detail->order_id = $order_id;
             $order_detail->prod_id = $postData['prod_id'][$key];
             $order_detail->quantity = $postData['qty'][$key];
             $order_detail->unit_price = $postData['prod_price'][$key];
             $order_detail->unit_sum = $postData['prod_price'][$key] * $order_detail->quantity;
             $order_detail->save();
             $item = new Item();
             $item->setName($postData['prod_name'][$key])->setCurrency('USD')->setQuantity($val)->setPrice($postData['prod_price'][$key]);
             $items[] = $item;
         }
         $itemList = new ItemList();
         $itemList->setItems($items);
         $payment = preparePaypal($itemList);
         print_r($items);
     }
     exit;
 }

 public function postPayment($producto_id)
 {
     $producto = Producto::find($producto_id);
     if (is_null($producto)) {
         App::abort(404);
     }
     $productoYaComprado = User::find(Auth::user()->id)->Productos()->whereProducto_id($producto->id)->first();
     if (!is_null($productoYaComprado)) {
         App::abort(404);
     }
     \Session::put('producto_id', $producto_id);
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     $items = array();
     $subtotal = 0;
     $currency = 'MXN';
     $item = new Item();
     $item->setName($producto->nombre)->setCurrency($currency)->setDescription($producto->nombre)->setQuantity(1)->setPrice($producto->precio);
     $items[] = $item;
     $subtotal += $producto->precio;
     $item_list = new ItemList();
     $item_list->setItems($items);
     $details = new Details();
     $details->setSubtotal($subtotal);
     //->setShipping(100);
     //$total = $subtotal + 100;
     $total = $subtotal;
     $amount = new Amount();
     $amount->setCurrency($currency)->setTotal($total)->setDetails($details);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($item_list)->setDescription('');
     $redirect_urls = new RedirectUrls();
     $redirect_urls->setReturnUrl(\URL::route('payment.status'))->setCancelUrl(\URL::route('payment.status'));
     $payment = new Payment();
     $payment->setIntent('Sale')->setPayer($payer)->setRedirectUrls($redirect_urls)->setTransactions(array($transaction));
     try {
         $payment->create($this->_api_context);
     } catch (\PayPal\Exception\PPConnectionException $ex) {
         if (\Config::get('app.debug')) {
             echo "Exception: " . $ex->getMessage() . PHP_EOL;
             $err_data = json_decode($ex->getData(), true);
             exit;
         } else {
             return \Redirect::route('home')->with('message', 'Algo salió mal, inténtalo de nuevo más tarde.');
         }
     }
     foreach ($payment->getLinks() as $link) {
         if ($link->getRel() == 'approval_url') {
             $redirect_url = $link->getHref();
             break;
         }
     }
     // add payment ID to session
     \Session::put('paypal_payment_id', $payment->getId());
     if (isset($redirect_url)) {
         // redirect to paypal
         return \Redirect::away($redirect_url);
     }
     return \Redirect::route('home')->with('message', 'Ups! Error desconocido. Inténtalo de nuevo más tarde.');
 }

 /**
  * @depends testSerializationDeserialization
  * @param ItemList $obj
  */
 public function testGetters($obj)
 {
     $this->assertEquals($obj->getItems(), ItemTest::getObject());
     $this->assertEquals($obj->getShippingAddress(), ShippingAddressTest::getObject());
     $this->assertEquals($obj->getShippingMethod(), "TestSample");
     $this->assertEquals($obj->getShippingPhoneNumber(), "TestSample");
 }

 /**
  * @return Payment
  * @throws CheckoutException
  */
 public function startPayment()
 {
     $total_amount = ($this->request->amount + $this->request->tax_amount - $this->request->discount_amount) * 100;
     $apiContext->setConfig(array('service.EndPoint' => "https://test-api.sandbox.paypal.com"));
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     $item1 = new Item();
     $item1->setName('Product1')->setCurrency('EUR')->setPrice(10.0)->setQuantity(2)->setTax(3.0);
     $itemList = new ItemList();
     $itemList->setItems(array($item1));
     $details = new Details();
     $details->setShipping(1.2)->setTax(1.3)->setSubtotal(17.5);
     $amount = new Amount();
     $amount->setCurrency('EUR')->setTotal(20)->setDetails($details);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($itemList)->setDescription('Payment')->setInvoiceNumber('transactionid');
     $baseUrl = getBaseUrl();
     $redir = new RedirectUrls();
     $redir->setReturnUrl($baseUrl . '/');
     $redir->setCancelUrl($baseUrl . '/');
     $payment = new Payment();
     $payment->setIntent('sale')->setPayer($payer)->setRedirectUrls($redir)->setTransactions(array($transaction));
     $request = clone $payment;
     try {
         $payment->create($apiContext);
     } catch (\Exception $e) {
         throw new CheckoutException('Paypal error', 500, $e);
     }
     $approvalUrl = $payment->getApprovalLink();
     ResultPrinter::printResult("Created Payment Using PayPal. Please visit the URL to Approve.", "Payment", "<a href='{$approvalUrl}' >{$approvalUrl}</a>", $request, $payment);
     return $payment;
 }

 /**
  * @param PaymentInterface $payment
  */
 public function init(PaymentInterface $payment)
 {
     $credentials = new OAuthTokenCredential($this->options['client_id'], $this->options['secret']);
     $apiContext = new ApiContext($credentials);
     $apiContext->setConfig(['mode' => $this->options['mode']]);
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     $amount = new Amount();
     $amount->setCurrency($this->options['currency']);
     $amount->setTotal($payment->getPaymentSum());
     $item = new Item();
     $item->setName($payment->getDescription());
     $item->setCurrency($amount->getCurrency());
     $item->setQuantity(1);
     $item->setPrice($amount->getTotal());
     $itemList = new ItemList();
     $itemList->addItem($item);
     $transaction = new Transaction();
     $transaction->setAmount($amount);
     $transaction->setDescription($payment->getDescription());
     $transaction->setItemList($itemList);
     $redirectUrls = new RedirectUrls();
     $redirectUrls->setReturnUrl($payment->getExtraData('return_url'));
     $redirectUrls->setCancelUrl($payment->getExtraData('cancel_url'));
     $paypalPayment = new Payment();
     $paypalPayment->setIntent('sale');
     $paypalPayment->setPayer($payer);
     $paypalPayment->setTransactions([$transaction]);
     $paypalPayment->setRedirectUrls($redirectUrls);
     $paypalPayment->create($apiContext);
     $payment->setExtraData('paypal_payment_id', $paypalPayment->getId());
     $payment->setExtraData('approval_link', $paypalPayment->getApprovalLink());
 }

 public function credit_card()
 {
     return "Hello?";
     $card = new CreditCard();
     $card->setType("visa")->setNumber("4148529247832259")->setExpireMonth("11")->setExpireYear("2019")->setCvv2("012")->setFirstName("Joe")->setLastName("Shopper");
     $fi = new FundingInstrument();
     $fi->setCreditCard($card);
     $payer = new Payer();
     $payer->setPaymentMethod("credit_card")->setFundingInstruments(array($fi));
     $item1 = new Item();
     $item1->setName('Ground Coffee 40 oz')->setDescription('Ground Coffee 40 oz')->setCurrency('USD')->setQuantity(1)->setTax(0.3)->setPrice(7.5);
     $item2 = new Item();
     $item2->setName('Granola bars')->setDescription('Granola Bars with Peanuts')->setCurrency('USD')->setQuantity(5)->setTax(0.2)->setPrice(2);
     $itemList = new ItemList();
     $itemList->setItems(array($item1, $item2));
     $details = new Details();
     $details->setShipping(1.2)->setTax(1.3)->setSubtotal(17.5);
     $amount = new Amount();
     $amount->setCurrency("USD")->setTotal(20)->setDetails($details);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($itemList)->setDescription("Payment description")->setInvoiceNumber(uniqid());
     $payment = new Payment();
     $payment->setIntent("sale")->setPayer($payer)->setTransactions(array($transaction));
     $request = clone $payment;
     try {
         $payment->create($apiContext);
     } catch (Exception $ex) {
         ResultPrinter::printError('Create Payment Using Credit Card. If 500 Exception, try creating a new Credit Card using <a href="https://ppmts.custhelp.com/app/answers/detail/a_id/750">Step 4, on this link</a>, and using it.', 'Payment', null, $request, $ex);
         exit(1);
     }
     ResultPrinter::printResult('Create Payment Using Credit Card', 'Payment', $payment->getId(), $request, $payment);
     return $payment;
 }

 public function postPayment()
 {
     $data = array();
     if (is_array(Input::get('room_id'))) {
         foreach (Input::get('room_id') as $key => $val) {
             $data[$key] = array('am_id' => Input::get('am_id.' . $key), 'rooms' => $val);
         }
     }
     $data2 = array();
     if (is_array(Input::get('add_Am'))) {
         foreach (Input::get('add_Am') as $key => $val) {
             $data2[$key] = array('am_id' => Input::get('am_id.' . $key), 'rooms' => $val);
         }
     }
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     $name = Input::get('packname');
     $price = Input::get('amount');
     $input_dFrom = Input::get('package_datefrom');
     $input_dTo = Input::get('package_dateto');
     $input_nPax = Input::get('num_pax');
     $input_fName = Input::get('fullN');
     $postData = new Reservation();
     $postData->dataInsertPost($name, $price, $input_dFrom, $input_dTo, $input_nPax, $input_fName, json_encode($data), 'PayPal', json_encode($data2));
     $item_1 = new Item();
     $item_1->setName($name)->setCurrency('PHP')->setQuantity('1')->setPrice(intval($price));
     // unit price
     // add item to list
     $item_list = new ItemList();
     $item_list->setItems(array($item_1));
     $amount = new Amount();
     $amount->setCurrency('PHP')->setTotal(intval($price));
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($item_list)->setDescription('Your transaction description');
     $redirect_urls = new RedirectUrls();
     $redirect_urls->setReturnUrl(URL::route('payment.status'))->setCancelUrl(URL::route('payment.status'));
     //        $redirect_urls->setReturnUrl(URL::to('/dashboard/accommodation'))
     //            ->setCancelUrl(URL::to('/dashboard/accommodation'));
     $payment = new Payment();
     $payment->setIntent('Sale')->setPayer($payer)->setRedirectUrls($redirect_urls)->setTransactions(array($transaction));
     try {
         $payment->create($this->_api_context);
     } catch (PayPal\Exception\PayPalConnectionException $e) {
         echo $e->getData();
         // This will print a JSON which has specific details about the error.
         exit;
     }
     foreach ($payment->getLinks() as $link) {
         if ($link->getRel() == 'approval_url') {
             $redirect_url = $link->getHref();
             break;
         }
     }
     // add payment ID to session
     Session::put('paypal_payment_id', $payment->getId());
     if (isset($redirect_url)) {
         return json_encode(['url' => $redirect_url]);
     }
     return Redirect::route('dashboard.packages.accommodation')->with('error', 'Unknown error occurred');
 }

 /**
  * Create the Payment request and process
  * @return null|string The approval url to which the user has to be redirected
  */
 public function createPayment()
 {
     $payer = new Payer();
     $payer->setPaymentMethod("paypal");
     $this->validateData();
     if (!is_null($this->details)) {
         $this->getAmount()->setDetails($this->details);
     }
     $transaction = new Transaction();
     $transaction->setAmount($this->getAmount())->setDescription($this->getDescription())->setInvoiceNumber($this->getInvoiceNumber());
     if (count($this->itemList->getItems())) {
         $transaction->setItemList($this->itemList);
     }
     $redirectUrls = new RedirectUrls();
     $redirectUrls->setReturnUrl($this->getSuccessUrl(self::paymentMethod))->setCancelUrl($this->getCancelUrl(self::paymentMethod));
     $payment = new Payment();
     $payment->setIntent(self::ACTION)->setPayer($payer)->setRedirectUrls($redirectUrls)->setTransactions(array($transaction));
     try {
         $payment->create($this->getApiContext($this->clientId, $this->clientSecret));
     } catch (\Exception $ex) {
         $this->container->get('logger')->error($ex);
         return null;
     }
     $approvalUrl = $payment->getApprovalLink();
     return $approvalUrl;
 }

 public function postPayment()
 {
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     $items = [];
     $num = 1;
     $total = 0;
     foreach (Auth::user()->cart as $item) {
         ${"item_" . $num} = new Item();
         ${"item_" . $num}->setName($item->product->name)->setCurrency('USD')->setQuantity($item->amount)->setPrice($item->product->price);
         $items[] = ${"item_" . $num};
         $num++;
         $total += $item->product->price * $item->amount;
     }
     if (Session::has('coupon')) {
         $discount = $total * Session::get('coupon.discount') / 100;
         $total = $total - $discount;
         ${"item_" . $num} = new Item();
         ${"item_" . $num}->setName('discount')->setCurrency('USD')->setQuantity(1)->setPrice(-$discount);
         $items[] = ${"item_" . $num};
     }
     // add item to list
     $item_list = new ItemList();
     $item_list->setItems($items);
     $amount = new Amount();
     $amount->setCurrency('USD')->setTotal($total);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($item_list)->setDescription(Auth::user()->email);
     $redirect_urls = new RedirectUrls();
     $redirect_urls->setReturnUrl(route('payment.status'))->setCancelUrl(route('home'));
     // ->setCancelUrl(route('payment.status'));
     $payment = new Payment();
     $payment->setIntent('Sale')->setPayer($payer)->setRedirectUrls($redirect_urls)->setTransactions(array($transaction));
     try {
         $payment->create($this->_api_context);
     } catch (\PayPal\Exception\PPConnectionException $ex) {
         if (\Config::get('app.debug')) {
             echo "Exception: " . $ex->getMessage() . PHP_EOL;
             $err_data = json_decode($ex->getData(), true);
             exit;
         } else {
             die('Some error occur, sorry for inconvenient');
         }
     }
     foreach ($payment->getLinks() as $link) {
         if ($link->getRel() == 'approval_url') {
             $redirect_url = $link->getHref();
             break;
         }
     }
     // add payment ID to session
     Session::put('paypal_payment_id', $payment->getId());
     if (isset($redirect_url)) {
         // redirect to paypal
         return Redirect::away($redirect_url);
     }
     return Redirect('/')->with('error', 'Unknown error occurred');
 }

 public function postPayment()
 {
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     //        $item_1 = new Item();
     //        $item_1->setName('Item 1') // item name
     //            ->setCurrency('PHP')
     //            ->setQuantity('1')
     //            ->setPrice('0.01'); // unit price
     $package1 = Input::get('packname');
     $amount1 = Input::get('amount');
     $item_1 = new Item();
     $item_1->setName($package1)->setCurrency('PHP')->setQuantity('1')->setPrice($amount1);
     // unit price
     // add item to list
     $item_list = new ItemList();
     $item_list->setItems(array($item_1));
     $amount = new Amount();
     $amount->setCurrency('PHP')->setTotal($package1);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($item_list)->setDescription('Your transaction description');
     $redirect_urls = new RedirectUrls();
     $redirect_urls->setReturnUrl(URL::route('payment.status'))->setCancelUrl(URL::route('payment.status'));
     $payment = new Payment();
     $payment->setIntent('Sale')->setPayer($payer)->setRedirectUrls($redirect_urls)->setTransactions(array($transaction));
     //        try {
     //            $payment->create($this->_api_context);
     //        } catch (\PayPal\Exception\PPConnectionException $ex) {
     //
     //            if (\Config::get('app.debug')) {
     //                echo "Exception: " . $ex->getMessage() . PHP_EOL;
     //                $err_data = json_decode($ex->getData(), true);
     //                exit;
     //            } else {
     //                die('Some error occur, sorry for inconvenient');
     //            }
     //        }
     try {
         $payment->create($this->_api_context);
     } catch (PayPal\Exception\PayPalConnectionException $e) {
         echo $e->getData();
         // This will print a JSON which has specific details about the error.
         exit;
     }
     foreach ($payment->getLinks() as $link) {
         if ($link->getRel() == 'approval_url') {
             $redirect_url = $link->getHref();
             break;
         }
     }
     // add payment ID to session
     Session::put('paypal_payment_id', $payment->getId());
     if (isset($redirect_url)) {
         // redirect to paypal
         return Redirect::away($redirect_url);
     }
     return Redirect::route('original.route')->with('error', 'Unknown error occurred');
 }

 public function actionPay($id)
 {
     $return = [];
     $total = 0;
     if (isset(Yii::$app->user->id)) {
         $user = User::findOne(Yii::$app->user->id);
         $race = Race::findOne($id);
         if ($user && $race) {
             /* paypal */
             $clientId = 'AYSq3RDGsmBLJE-otTkBtM-jBRd1TCQwFf9RGfwddNXWz0uFU9ztymylOhRS';
             $clientSecret = 'EGnHDxD_qRPdaLdZz8iCr8N7_MzF-YHPTkjs6NKYQvQSBngp4PTTVWkPZRbL';
             $apiContext = $this->getApiContext($clientId, $clientSecret);
             $payer = new Payer();
             $payer->setPaymentMethod("paypal");
             $total = $race->cost;
             $item1 = new Item();
             $item1->setName('Inscripción ' . $race->name)->setCurrency('USD')->setQuantity(1)->setPrice($total);
             /*$item1 = new Item();
               $item1->setName('Ground Coffee 40 oz')
                   ->setCurrency('USD')
                   ->setQuantity(1)
                   ->setPrice(7.5);
               $item2 = new Item();
               $item2->setName('Granola bars')
                   ->setCurrency('USD')
                   ->setQuantity(5)
                   ->setPrice(2);*/
             $itemList = new ItemList();
             $itemList->setItems(array($item1));
             $details = new Details();
             /*$details->setShipping(5)
               // ->setTax(1.3)
               ->setSubtotal($total);*/
             $details->setSubtotal($total);
             $amount = new Amount();
             $amount->setCurrency("USD")->setTotal($total)->setDetails($details);
             $transaction = new Transaction();
             $transaction->setAmount($amount)->setItemList($itemList)->setDescription("Inscripción en Aurasur")->setInvoiceNumber('1234567890');
             $baseUrl = Url::base(true);
             $redirectUrls = new RedirectUrls();
             $redirectUrls->setReturnUrl($baseUrl . "/user/view?id=" . $user->id . "&r=ins")->setCancelUrl($baseUrl . "/race/pay?success=false&id=" . $id);
             $payment = new Payment();
             $payment->setIntent("sale")->setPayer($payer)->setRedirectUrls($redirectUrls)->setTransactions(array($transaction));
             try {
                 $payment->create($apiContext);
             } catch (Exception $ex) {
                 print_r($ex);
                 exit(1);
             }
             $approvalUrl = $payment->getApprovalLink();
             /* --- */
         }
     } else {
         return $this->redirect(Yii::getAlias('@web') . '/site/login?ins=' . $id);
     }
     return $this->render('pay', ['race' => $race, 'aurl' => $approvalUrl]);
 }

 public function pay()
 {
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     //agregar items de base de datos
     $items = array();
     $subtotal = 0;
     $productos = DB::table('carrito')->Join('producto', 'carrito.ItemCode', '=', 'producto.ItemCode')->where('carrito.user_id', Auth::user()->id)->get();
     //dd(Auth::user()->id);
     $currency = 'MXN';
     foreach ($productos as $key => $p) {
         $pIva = $p->precio * 0.16;
         $precioIva = $p->precio + $pIva;
         $item = new Item();
         $item->setName($p->ItemName)->setCurrency($currency)->setDescription($p->tipo)->setQuantity($p->cantidad)->setPrice($precioIva);
         $items[$key] = $item;
         $subtotal += $p->cantidad * $precioIva;
     }
     // add item to list
     $item_list = new ItemList();
     $item_list->setItems($items);
     $details = new Details();
     $details->setSubtotal($subtotal)->setShipping(100);
     $total = $subtotal + 100;
     $amount = new Amount();
     $amount->setCurrency($currency)->setTotal($total)->setDetails($details);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($item_list)->setDescription('Your transaction description');
     $redirect_urls = new RedirectUrls();
     $redirect_urls->setReturnUrl(URL::route('payment.status'))->setCancelUrl(URL::route('payment.status'));
     $payment = new Payment();
     $payment->setIntent('Sale')->setPayer($payer)->setRedirectUrls($redirect_urls)->setTransactions(array($transaction));
     try {
         $payment->create($this->_api_context);
     } catch (\PayPal\Exception\PPConnectionException $ex) {
         if (\Config::get('app.debug')) {
             return Redirect::route('carrito.failed');
             exit;
         } else {
             return Redirect::route('carrito.failed');
         }
     }
     foreach ($payment->getLinks() as $link) {
         if ($link->getRel() == 'approval_url') {
             $redirect_url = $link->getHref();
             break;
         }
     }
     // add payment ID to session
     Session::put('paypal_payment_id', $payment->getId());
     if (isset($redirect_url)) {
         // redirect to paypal
         return Redirect::away($redirect_url);
     }
     return Redirect::route('carrito.failed');
 }

 public function postPayment()
 {
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     $items = array();
     $subtotal = 0;
     $cart = \Session::get('cart');
     $currency = 'MXN';
     foreach ($cart as $producto) {
         $item = new Item();
         $item->setName($producto->name)->setCurrency($currency)->setDescription($producto->extract)->setQuantity($producto->quantity)->setPrice($producto->price);
         $items[] = $item;
         $subtotal += $producto->quantity * $producto->price;
     }
     $item_list = new ItemList();
     $item_list->setItems($items);
     //costo de envio de la compra
     $details = new Details();
     $details->setSubtotal($subtotal)->setShipping(100);
     //total de envio sumando el subtotal mas el envio
     $total = $subtotal + 100;
     $amount = new Amount();
     $amount->setCurrency($currency)->setTotal($total)->setDetails($details);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($item_list)->setDescription('Pedido de prueba con laravel para La Central Mueblera');
     //la ruta  para direccionar si se cancela o se envia conrectamente el pedido
     $redirect_urls = new RedirectUrls();
     $redirect_urls->setReturnUrl(\URL::route('payment.status'))->setCancelUrl(\URL::route('payment.status'));
     $payment = new Payment();
     $payment->setIntent('Sale')->setPayer($payer)->setRedirectUrls($redirect_urls)->setTransactions(array($transaction));
     try {
         $payment->create($this->_api_context);
     } catch (\PayPal\Exception\PPConnectionException $ex) {
         if (\Config::get('app.debug')) {
             echo "Exception: " . $ex->getMessage() . PHP_EOL;
             $err_data = json_decode($ex->getData(), true);
             exit;
         } else {
             die('Ups! Algo salió mal');
         }
     }
     foreach ($payment->getLinks() as $link) {
         if ($link->getRel() == 'approval_url') {
             $redirect_url = $link->getHref();
             break;
         }
     }
     // add payment ID to session
     \Session::put('paypal_payment_id', $payment->getId());
     if (isset($redirect_url)) {
         // redirect to paypal
         return \Redirect::away($redirect_url);
     }
     return \Redirect::route('cart-show')->with('error', 'Ups! Error desconocido.');
 }

 public static function preparePayment($payment, $domain)
 {
     $items = array();
     $currency = null;
     $total = 0;
     foreach ($payment->items as $item) {
         $tmpItem = new PayPalItem();
         $tmpItem->setName($item->description)->setCurrency($item->currency)->setQuantity($item->quantity)->setSku($item->sku)->setPrice($item->price);
         $items[] = $tmpItem;
         //
         $total += (double) $item->price;
         $currency = $item->currency;
     }
     $itemList = new ItemList();
     $itemList->setItems($items);
     $payer = new PayPalPayer();
     switch ($payment->payer->paymentMethod) {
         case Payer::PAYMENT_CREDIT_CARD:
             $payer->setPaymentMethod($payment->payer->paymentMethod);
             $card = new PayPalCreditCard();
             $card->setType($payment->payer->creditCard->type)->setNumber($payment->payer->creditCard->number)->setExpireMonth($payment->payer->creditCard->expireMonth)->setExpireYear($payment->payer->creditCard->expireYear)->setCvv2($payment->payer->creditCard->cvv2)->setFirstName($payment->payer->creditCard->firstName)->setLastName($payment->payer->creditCard->lastName);
             $fi = new FundingInstrument();
             $fi->setCreditCard($card);
             $payer->setFundingInstruments(array($fi));
             break;
         case Payer::PAYMENT_PAYPAL:
             $payer->setPaymentMethod($payment->payer->paymentMethod);
             break;
     }
     $amount = new Amount();
     $amount->setCurrency($currency);
     $amount->setTotal($total);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($itemList)->setDescription($payment->description);
     $redirectUrls = new RedirectUrls();
     $redirectUrls->setReturnUrl($payment->returnUrl);
     $redirectUrls->setCancelUrl($payment->cancelUrl);
     $paypalPayment = new PayPalPayment();
     $paypalPayment->setRedirectUrls($redirectUrls);
     $paypalPayment->setIntent($payment->intent);
     $paypalPayment->setPayer($payer);
     $paypalPayment->setTransactions(array($transaction));
     try {
         $paypalPayment->create(static::getApiContext($domain));
         return static::getPayment($paypalPayment->getId(), $domain)->then(function ($payment) use($paypalPayment) {
             $payment->approvalUrl = static::getLink($paypalPayment->getLinks(), "approval_url");
             return $payment;
         });
     } catch (PayPalConnectionException $e) {
         return When::reject($e);
     } catch (PayPalInvalidCredentialException $e) {
         return When::reject($e);
     }
 }