LaraPal - PayPalController

PayPalController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Obydul\LaraPal\Services\ExpressCheckout;

class PayPalController extends Controller
{
    /**
     * Construct.
     */
    private $payPalExpressCheckout;

    public function __construct()
    {
        $return_url = "http://example.com/do-the-payment";
        $cancel_url = "http://example.com/cancel-payment";
        $this->payPalExpressCheckout = new ExpressCheckout($return_url, $cancel_url);
    }

    /**
     * See payment status
     */
    public function paymentStatus(Request $request)
    {
        $status = $request->input('status');
        $transaction_id = $request->input('transaction_id');
        $message = $request->input('message');

        if ($status == 'completed') {
            echo 'Success! The Transaction ID: ' . $transaction_id;
        } else if ($status == 'cancelled') {
            echo 'The transaction has been cancelled.';
        } else if ($status == 'refunded') {
            echo $message;
        } else {
            echo 'No status!';
        }
    }

    /**
     * Single payment
     */
    public function singlePayment()
    {
        // generate invoice ID (optional). you can remove this from the function.
        $last_invoice_id = 22; // take the last invoice from your payment database.
        $invoice_id = 'INV_' . str_pad($last_invoice_id + 1, 7, "0", STR_PAD_LEFT);

        // Redirect user to PayPal to obtain charging permissions
        $results = $this->payPalExpressCheckout->doExpressCheckout(17.87, 'LaraPal Test Checkout', $invoice_id, 'USD');

        // After taking the permission, taking payer information. If everything is fine, you will be redirected to $gateway->returnUrl with token and PayerID.
        if ($results['ACK'] == 'SUCCESS') {
            header('Location: ' . $this->payPalExpressCheckout->gateway->getGate() . 'cmd=_express-checkout&useraction=commit&token=' . $results['TOKEN']);
            exit();
        } else {
            return $results['L_LONGMESSAGE0'];
        }
    }

    /**
     * Multiple items payment
     */
    public function multipleItemsPayment()
    {
        // your products/items array should like this
        $items = array(
            array(
                "name" => "Product 1",
                "price" => "12.25",
                "quantity" => "1",
                "product_id" => 111
            ),
            array(
                "name" => "Product 2",
                "price" => "25.50",
                "quantity" => "1",
                "product_id" => 112
            )
        );

        // generate invoice ID
        $last_invoice_id = 20; // take the last invoice from your payment database.
        $invoice_id = 'INV_' . str_pad($last_invoice_id + 1, 7, "0", STR_PAD_LEFT);

        // pass custom fields (Optional)
        $customFields = array(
            'identifier' => "Example.com/ID",
            'customerEmail' => "customer@email.com",
        );

        // Redirect user to PayPal to obtain charging permissions
        $results = $this->payPalExpressCheckout->doExpressMultipleCheckout($items, $invoice_id, 'USD', false, $customFields); // if you don't like to pass custom fields, then remove $customFields from here.

        // After taking the permission, taking payer information. If everything is fine, you will be redirected to $gateway->returnUrl with token and PayerID.
        if ($results['ACK'] == 'SUCCESS') {
            header('Location: ' . $this->payPalExpressCheckout->gateway->getGate() . 'cmd=_express-checkout&useraction=commit&token=' . $results['TOKEN']);
            exit();
        } else {
            return $results['L_LONGMESSAGE0'];
        }
    }

    /**
     * PayPal do the payment after verification
     */
    public function doThePayment(Request $request)
    {
        $token = $request->input('token');
        $PayerID = $request->input('PayerID');

        if (empty($token) || empty($PayerID)) {
            return "Token or PayerID missing";
        } else {
            // for single payment
            $transaction = $this->payPalExpressCheckout->doSinglePayment($token, $PayerID);

            // for multiple payment
            // $transaction = $this->payPalExpressCheckout->doMultiplePayment($token, $PayerID);

            // get transaction details
            $details = $this->payPalExpressCheckout->getTransactionDetails($transaction['PAYMENTINFO_0_TRANSACTIONID']);

            return redirect()->route('payment-status', ['status' => 'completed', 'transaction_id' => $details['TRANSACTIONID']]);
        }

    }


    /**
     * Refund full or partial amount
     */
    public function doRefund(Request $request)
    {
        // enter your transaction ID
        $transactionId = '8CE475579A478253U';
        $invoiceId = "INV_0000005";

        // full amount
        $refund = $this->payPalExpressCheckout->doRefund($transactionId, $invoiceId, false, 0, 'USD', '');

        // partial amount
        // $refund = $this->payPalExpressCheckout->doRefund($transactionId, $invoiceId, true, 5.25, 'USD', '');

        if ($refund['ACK'] == 'SUCCESS') {
            return redirect()->route('payment-status', ['status' => 'refunded', 'message' => 'The Refunded Amount: ' . $refund['GROSSREFUNDAMT'] . ' (' . $refund['CURRENCYCODE'] . ')']);
        } else {
            return redirect()->route('payment-status', ['status' => 'refunded', 'message' => $refund['L_LONGMESSAGE0']]);
        }
    }


    /**
     * Cancel transaction
     */
    public function cancelPayment()
    {
        return redirect()->route('payment-status', ['status' => 'cancelled']);
    }

}