paypal-checkout.php

<?php

public function actionProcess()
{
    $customer = Yii::$app->user->identity;
    $address = Yii::$app->session->get('address');
    $apiContext = Yii::$app->paypal->_apiContext;

    // set shipping address details
    $shipping_address = new ShippingAddress();
    $shipping_address->setRecipientName($address->fullname);
    $shipping_address->setLine1($address->address_1);
    $shipping_address->setLine2($address->address_2);
    $shipping_address->setPostalCode($address->post_code);
    $shipping_address->setCity($address->city);
    $shipping_address->setState($address->statemodel->paypal_name);
    $shipping_address->setCountryCode('IN');

    // set payerinfo details
    $payerinfo = new PayerInfo();
    $payerinfo->setEmail($customer->email);
    $payerinfo->setFirstName($customer->first_name);
    $payerinfo->setLastName($customer->last_name);

    // set payer details
    $payer = new Payer();
    $payer->setPaymentMethod('paypal');
    $payer->setPayerInfo($payerinfo);

    $items = [];

    $order = Yii::$app->session->get('orders_temp');
    $orders_temp = OrdersTemp::find()->where(['order_id' => $order->order_id])->one();
    OrderProductsTemp::updateAll(['status_id' => Constant::PAYMENT_ATTEMPTED], 'order_id =' . $orders_temp->order_id);

    $total = 0;
    foreach ($orders_temp->getOrderProductsTemp()->all() as $opt) {
        $total += $opt->unit_price * $opt->quantity;
        $item = new Item();
        $item->setName($opt->description)->setCurrency('INR')->setQuantity($opt->quantity)->setPrice($opt->unit_price);
        $items[] =  $item;
    }

    // set item list details
    $itemList = new ItemList();
    $itemList->setItems($items);
    $itemList->setShippingAddress($shipping_address);
    $itemList->setShippingPhoneNumber($address->mobile);

    // Lets you specify a payment amount.
    // You can also specify additional details
    // such as shipping, tax.
    $amount = new Amount();
    $amount->setCurrency('INR')
        ->setTotal($total);

    // A transaction defines the contract of a
    // payment - what is the payment for and who
    // is fulfilling it.
    $transaction = new \PayPal\Api\Transaction();
    $transaction->setAmount($amount)
        ->setItemList($itemList)
        ->setDescription('Product Lists')
        ->setInvoiceNumber(uniqid());

    // Set the urls that the buyer must be redirected to after
    // payment approval/ cancellation.
    $redirectUrls = new RedirectUrls();
    $redirectUrls->setReturnUrl(Url::to(['/payment/paypal/confirm'], true));
    $redirectUrls->setCancelUrl(Url::to(['/payment/paypal/cancel'], true));

    // A Payment Resource; create one using
    // the above types and intent set to 'sale'
    $payment = new Payment();
    $payment->setIntent('sale')
        ->setPayer($payer)
        ->setRedirectUrls($redirectUrls)
        ->setTransactions([$transaction]);

    if (Yii::$app->paypal->config['mode'] == 'sandbox') {
        $payment->setExperienceProfileId('XP-NXGL-DQH7-T7LP-F6H3');
    } else {
        $payment->setExperienceProfileId('XP-3DA8-HAQH-DD9C-BUP2');
    }

    // For Sample Purposes Only.
    $request = clone $payment;

    // Create a payment by calling the 'create' method
    // passing it a valid apiContext.
    // The return object contains the state and the
    // url to which the buyer must be redirected to
    // for payment approval
    try {
        $payment->create($apiContext);
        $approvalLink = $payment->getApprovalLink();
        $approvalUrl = $approvalLink . '&locale.x=en_IN&country.x=IN';
        return $this->redirect($approvalUrl);
    } catch (\PayPal\Exception\PayPalConnectionException $ex) {
        Yii::debug($ex->getMessage(), 'tranx');
        Yii::$app->session->setFlash('error', $ex->getMessage());
        if ($ex->getData() == 'INSTRUMENT_DECLINED') {
            return $this->redirect($approvalUrl);
        }
    } catch (\Exception $ex) {
        Yii::debug($ex->getMessage(), 'tranx');
        Yii::$app->session->setFlash('error', $ex->getMessage());
    }

    return $this->redirect(['/payment/fail']);
}