Add Paypal gateway

darvishiyan-mahdi · Sep 29, 2017 · 96b8b3c · 96b8b3c
1 parent 288571c
commit 96b8b3c
Show file tree

Hide file tree

Showing 6 changed files with 300 additions and 3 deletions.
diff --git a/composer.json b/composer.json
@@ -20,7 +20,8 @@
         }
     ],
     "require": {
-        "nesbot/carbon": "~1.20"
+        "nesbot/carbon": "~1.20",
+        "paypal/rest-api-sdk-php": "*"
     },    
     "autoload": {
         "psr-4": {

diff --git a/migrations/2016_05_02_193213_create_gateway_transactions_table.php b/migrations/2016_05_02_193213_create_gateway_transactions_table.php
@@ -31,7 +31,8 @@ public function up()
 				Enum::PAYLINE,
 				Enum::SADAD,
 				Enum::ZARINPAL,
-                Enum::SAMAN
+                Enum::SAMAN,
+                Enum::PAYPAL,
 			]);
 			$table->decimal('price', 15, 2);
 			$table->string('ref_id', 100)->nullable();

diff --git a/src/Enum.php b/src/Enum.php
@@ -12,6 +12,7 @@ class Enum
 	const PARSIAN = 'PARSIAN';
 	const PASARGAD = 'PASARGAD';
     const SAMAN = 'SAMAN';
+    const PAYPAL = 'PAYPAL';
 
 	/**
 	 * Status code for status field in poolport_transactions table

diff --git a/src/GatewayResolver.php b/src/GatewayResolver.php
@@ -3,6 +3,7 @@
 namespace Larabookir\Gateway;
 
 use Larabookir\Gateway\Parsian\Parsian;
+use Larabookir\Gateway\Paypal\Paypal;
 use Larabookir\Gateway\Sadad\Sadad;
 use Larabookir\Gateway\Mellat\Mellat;
 use Larabookir\Gateway\Payline\Payline;
@@ -56,7 +57,17 @@ public function __construct($config = null, $port = null)
 	 */
 	public function getSupportedPorts()
 	{
-		return [Enum::MELLAT, Enum::SADAD, Enum::ZARINPAL, Enum::PAYLINE, Enum::JAHANPAY, Enum::PARSIAN, Enum::PASARGAD, Enum::SAMAN];
+		return [
+		    Enum::MELLAT,
+            Enum::SADAD,
+            Enum::ZARINPAL,
+            Enum::PAYLINE,
+            Enum::JAHANPAY,
+            Enum::PARSIAN,
+            Enum::PASARGAD,
+            Enum::SAMAN,
+            Enum::PAYPAL,
+        ];
 	}
 
 	/**
@@ -140,6 +151,8 @@ function make($port)
 			$name = Enum::JAHANPAY;
 		} elseif ($port InstanceOf Sadad) {
 			$name = Enum::SADAD;
+		} elseif ($port InstanceOf Paypal) {
+			$name = Enum::PAYPAL;
 		} elseif(in_array(strtoupper($port),$this->getSupportedPorts())){
 			$port=ucfirst(strtolower($port));
 			$name=strtoupper($port);

diff --git a/src/Paypal/Paypal.php b/src/Paypal/Paypal.php
@@ -0,0 +1,263 @@
+<?php
+
+namespace Larabookir\Gateway\Paypal;
+
+use Larabookir\Gateway\Mellat\MellatException;
+use Larabookir\Gateway\Enum;
+use Larabookir\Gateway\Paypal\PaypalException;
+use Larabookir\Gateway\PortAbstract;
+use Larabookir\Gateway\PortInterface;
+use PayPal\Api\Amount;
+use PayPal\Api\Item;
+use PayPal\Api\ItemList;
+use PayPal\Api\Payer;
+use PayPal\Api\Payment;
+use PayPal\Api\PaymentExecution;
+use PayPal\Api\RedirectUrls;
+use PayPal\Api\Transaction;
+use PayPal\Auth\OAuthTokenCredential;
+use PayPal\Exception\PayPalConnectionException;
+use PayPal\Rest\ApiContext;
+
+class Paypal extends PortAbstract implements PortInterface
+{
+    private $_api_context;
+    protected $productName;
+    protected $shipmentPrice;
+    protected $redirectUrl;
+
+
+
+    /**
+     * {@inheritdoc}
+     */
+    public function set($amount)
+    {
+        $this->amount = $amount;
+
+        return $this;
+    }
+
+
+    /**
+     * Sets callback url
+     * @param $url
+     */
+    function setCallback($url)
+    {
+        $this->callbackUrl = $url;
+        return $this;
+    }
+
+    public function redirect()
+    {
+        return \Redirect::away($this->redirectUrl);
+    }
+
+    /**
+     * Gets callback url
+     * @return string
+     */
+    function getCallback()
+    {
+        if (!$this->callbackUrl)
+            $this->callbackUrl = $this->config->get('gateway.paypal.settings.call_back_url');
+
+        return $this->makeCallback($this->callbackUrl, ['transaction_id' => $this->transactionId()]);
+    }
+
+    public function setApiContext()
+    {
+        $paypal_conf = $this->config->get('gateway.paypal');
+        $this->_api_context = new ApiContext(new OAuthTokenCredential($paypal_conf['client_id'], $paypal_conf['secret']));
+        $this->_api_context->setConfig($paypal_conf['settings']);
+    }
+
+    public function setShipmentPrice($shipmentPrice)
+    {
+        $this->shipmentPrice = $shipmentPrice;
+
+        return $this;
+    }
+
+    public function ready()
+    {
+        $this->sendPayRequest();
+
+        return $this;
+    }
+
+    public function setRedirectUrl($url)
+    {
+        $this->redirectUrl = $url;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function verify($transaction)
+    {
+        parent::verify($transaction);
+
+        $this->setApiContext();
+        $this->userPayment();
+        if ($this->verifyPayment()) {
+            $this->transactionSucceed();
+            $this->newLog(200, Enum::TRANSACTION_SUCCEED_TEXT);
+        }
+
+        return $this;
+    }
+
+    public function setProductName($name){
+        $this->productName = $name;
+
+        return $this;
+    }
+
+    public function sendPayRequest()
+    {
+        $this->setApiContext();
+        $this->newTransaction();
+        $payer = new Payer();
+        $payer->setPaymentMethod('paypal');
+        $item_1 = new Item();
+        $item_1->setName($this->getProductName())// item name
+        ->setCurrency('USD')
+            ->setQuantity(1)
+            ->setPrice($this->amount); // unit price
+        $item_2 = new Item();
+        $item_2->setName('Shipment')
+            ->setCurrency('USD')
+            ->setQuantity(1)
+            ->setPrice($this->getShipmentPrice());
+        // add item to list
+        $item_list = new ItemList();
+        $item_list->setItems([$item_1, $item_2]);
+        $amount = new Amount();
+        $amount->setCurrency('USD')
+            ->setTotal($this->getShipmentPrice() + $this->amount);
+        $transaction = new Transaction();
+        $transaction->setAmount($amount)
+            ->setItemList($item_list)
+            ->setDescription('Your transaction description');
+        $redirect_urls = new RedirectUrls();
+        $redirect_urls->setReturnUrl($this->getCallback())
+            ->setCancelUrl($this->getCallback());
+        $payment = new Payment();
+        $payment->setIntent('Sale')
+            ->setPayer($payer)
+            ->setRedirectUrls($redirect_urls)
+            ->setTransactions([$transaction]);
+        try {
+            $payment->create($this->_api_context);
+        } catch (PayPalConnectionException $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)) {
+            $this->setRedirectUrl($redirect_url);
+        } else {
+            $this->setRedirectUrl(\URL::route('original.route'));
+        }
+    }
+
+    /**
+     * Check user payment
+     *
+     * @return bool
+     *
+     * @throws MellatException
+     */
+    protected function userPayment()
+    {
+        $this->refId = \Input::get('PayerID');
+        $this->transactionSetRefId();
+        $this->trackingCode = \Input::get('token');
+//        $this->cardNumber = \Input::get('CardHolderPan');
+//        $payRequestResCode = \Input::get('ResCode');
+
+//        if ($payRequestResCode == '0') {
+            return true;
+//        }
+
+        $this->transactionFailed();
+        $this->newLog($payRequestResCode, @MellatException::$errors[$payRequestResCode]);
+        throw new MellatException($payRequestResCode);
+    }
+
+    /**
+     * Verify user payment from paypal server
+     *
+     * @return bool
+     */
+    protected function verifyPayment()
+    {
+        try {
+
+            /** Get the payment ID before session clear **/
+            $payment_id = \Session::get('paypal_payment_id');
+            /** clear the session payment ID **/
+            \Session::forget('paypal_payment_id');
+            if (!$this->refId() || !$this->trackingCode()) {
+                return false;
+            }
+            $payment = Payment::get($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();
+            $execution->setPayerId($this->refId);
+            /**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 true;
+            }
+
+            return false;
+        } catch (\Exception $e) {
+            $this->transactionFailed();
+            $this->newLog('PaypalException', $e->getMessage());
+            throw $e;
+        }
+    }
+
+    public function getProductName(){
+        if(!$this->productName){
+            return $this->config->get('gateway.paypal.default_product_name');
+        }
+
+        return $this->productName;
+    }
+
+    public function getShipmentPrice(){
+        if(!$this->shipmentPrice){
+            return $this->config->get('gateway.paypal.default_shipment_price');
+        }
+
+        return $this->shipmentPrice;
+    }
+
+
+}
diff --git a/src/Paypal/PaypalException.php b/src/Paypal/PaypalException.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace Larabookir\Gateway\Paypal;
+
+use Larabookir\Gateway\Exceptions\BankException;
+
+class PaypalException extends BankException
+{
+    public static $errors = array(
+    );
+
+    public function __construct($errorId)
+    {
+        $this->errorId = intval($errorId);
+
+        parent::__construct(@self::$errors[$this->errorId].' #'.$this->errorId, $this->errorId);
+    }
+}