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Apr 4th, 2017

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<?php
namespace App\Http\Controllers;
use App\Http\Requests;
use Illuminate\Http\Request;
use Validator;
use URL;
use Session;
use Redirect;
Use App\Model\Order;
use App\Model\Invoice;
//use Input;
use Illuminate\Support\Facades\Input;
/** All Paypal Details class **/
use PayPal\Rest\ApiContext;
use PayPal\Auth\OAuthTokenCredential;
use PayPal\Api\Amount;
use PayPal\Api\Details;
use PayPal\Api\Item;
use PayPal\Api\ItemList;
use PayPal\Api\Payer;
use PayPal\Api\PayerInfo;
use PayPal\Api\Payment;
use PayPal\Api\RedirectUrls;
use PayPal\Api\ExecutePayment;
use PayPal\Api\PaymentExecution;
use PayPal\Api\Transaction;
class AddMoneyController extends HomeController
{
private $_api_context;
/**
* Create a new controller instance.
*
* @return void
*/
public function __construct()
{
parent::__construct();
/** setup PayPal api context **/
$paypal_conf = \Config::get('paypal');
$this->_api_context = new ApiContext(new OAuthTokenCredential($paypal_conf['client_id'], $paypal_conf['secret']));
$this->_api_context->setConfig($paypal_conf['settings']);
}
/**
* Show the application paywith paypalpage.
*
* @return \Illuminate\Http\Response
*/
public function payWithPaypal()
{
return view('paywithpaypal');
}
/**
* Store a details of payment with paypal.
*
* @param \Illuminate\Http\Request $request
* @return \Illuminate\Http\Response
*/
public function postPaymentWithpaypal(Request $request)
{
$order = Order::findOrFail($request->get('id'));
$payer = new Payer();
$payer->setPaymentMethod('paypal');
$order_discount = $order->invoice->discount;
$order_subtotal = $order->invoice->sub_total;
$order_grandtotal = $order->invoice->grand_total;
$i = 1;
$item_name = array();
foreach ($order->invoice->products as $product) {
// Each product information is sent as an item to PayPal
$item_name[$i] = new Item();
// Set item name, price, price currency and quantity
// Note that the price is the price for a single product unit
$item_name[$i]->setName($product->name)
->setCurrency('USD')
->setQuantity($product->qty)
->setPrice($product->price);
$i++;
}
if ($order->order_discount > 0) {
$item_name[$i] = new Item();
$item_name[$i]->setName('Discount')
->setCurrency('USD')
->setQuantity(1)
->setPrice('-' . $order_discount);
}
$item_list = new ItemList();
$item_list->setItems($item_name);
$amount_details = new Details();
// Set order subtotal
// Subtotal is the sum of each product multiplied by quantity and all that minus the discount
$amount_details->setSubtotal($order_subtotal);
$amount = new Amount();
$amount->setCurrency('USD')
->setDetails($amount_details)
->setTotal($order_grandtotal);
$transaction = new Transaction();
$transaction->setAmount($amount)
->setItemList($item_list)
->setDescription('Your transaction description')
->setInvoiceNumber($order->invoice->invoice_no);
$redirect_urls = new RedirectUrls();
$redirect_urls->setReturnUrl(URL::route('payment.status')) /** Specify return URL **/
->setCancelUrl(URL::route('payment.status'));
$payment = new Payment();
$payment->setIntent('Order')
->setPayer($payer)
->setRedirectUrls($redirect_urls)
->setTransactions(array($transaction));
// dd($payment->create($this->_api_context));exit;
try {
$payment->create($this->_api_context);
} catch (\PayPal\Exception\PPConnectionException $ex) {
if (\Config::get('app.debug')) {
\Session::put('error','Connection timeout');
return Redirect::route('addmoney.paywithpaypal');
/** echo "Exception: " . $ex->getMessage() . PHP_EOL; **/
/** $err_data = json_decode($ex->getData(), true); **/
/** exit; **/
} else {
\Session::put('error','Some error occur, sorry for inconvenient');
return Redirect::route('addmoney.paywithpaypal');
/** 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);
}
\Session::put('error','Unknown error occurred');
return Redirect::route('addmoney.paywithpaypal');
}
public function getPaymentStatus()
{
/** Get the payment ID before session clear **/
$payment_id = Session::get('paypal_payment_id');
/** clear the session payment ID **/
Session::forget('paypal_payment_id');
if (empty(Input::get('PayerID')) || empty(Input::get('token'))) {
\Session::put('error','Payment failed');
return Redirect::route('addmoney.paywithpaypal');
}
$payment = Payment::get($payment_id, $this->_api_context);
/** PaymentExecution object includes information necessary **/
/** to execute a PayPal account payment. **/
/** The payer_id is added to the request query parameters **/
/** when the user is redirected from paypal back to your site **/
$execution = new PaymentExecution();
$execution->setPayerId(Input::get('PayerID'));
/**Execute the payment **/
$result = $payment->execute($execution, $this->_api_context);
/** dd($result);exit; /** DEBUG RESULT, remove it later **/
if ($result->getState() == 'approved') {
/** it's all right **/
/** Here Write your database logic like that insert record or value in database if you want **/
\Session::put('success','Payment success');
return Redirect::route('addmoney.paywithpaypal');
}
\Session::put('error','Payment failed');
return Redirect::route('addmoney.paywithpaypal');
}
}

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