Payment refunds (#3687)

* Fix whereClientId when starting payment

* Refunding using Paypal

* Refunding engine

* Cleanup and making refund method work

* Remove "refund" method from BasePaymentController

* Add "refund" to PaypalExpressPaymentDriver

* Extract refunding into own classes

* Apply php-cs-fixer to PaypalExpress

* Refunding with stripe

app/Exceptions/PaymentRefundFailed.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Exceptions;
+
+use Exception;
+
+class PaymentRefundFailed extends Exception
+{ 
+    /**
+    * Report the exception.
+    *
+    * @return void
+    */
+   public function report()
+   {
+       //
+   }
+
+   /**
+    * Render the exception into an HTTP response.
+    *
+    * @param  \Illuminate\Http\Request  $request
+    * @return \Illuminate\Http\Response
+    */
+   public function render($request)
+   {
+       return response()->json([
+           'message' => 'Unable to refund the transaction'
+       ], 401);
+   }
+}

app/Http/Controllers/ClientPortal/PaymentController.php

@@ -72,7 +72,7 @@ class PaymentController extends Controller
     public function process()
     {
         $invoices = Invoice::whereIn('id', $this->transformKeys(request()->invoices))
-            ->whereClientId(auth('contact')->user()->company()->id)
+            ->where('company_id', auth('contact')->user()->company->id)
             ->get();
 
         $amount = $invoices->sum('balance');

app/PaymentDrivers/PayPalExpressPaymentDriver.php

@@ -1,4 +1,5 @@
 <?php
+
 /**
  * Invoice Ninja (https://invoiceninja.com)
  *
@@ -20,7 +21,6 @@ use App\Models\Payment;
 use App\Models\PaymentType;
 use App\Models\SystemLog;
 use App\Utils\Traits\MakesHash;
-use Illuminate\Http\Request;
 use Omnipay\Common\Item;
 
 /**
@@ -61,7 +61,7 @@ class PayPalExpressPaymentDriver extends BasePaymentDriver
 {
     use MakesHash;
 
-    protected $refundable = false;
+    protected $refundable = true;
 
     protected $token_billing = false;
 
@@ -270,4 +270,41 @@ class PayPalExpressPaymentDriver extends BasePaymentDriver
 
         return $payment;
     }
+
+    public function refund(Payment $payment, $amount = null)
+    {
+        $this->gateway();
+
+        $response = $this->gateway
+            ->refund(['transactionReference' => $payment->transaction_reference, 'amount' => $amount ?? $payment->amount])
+            ->send();
+
+        if ($response->isSuccessful()) {
+            SystemLogger::dispatch(
+                [
+                    'server_response' => $response->getMessage(),
+                    'data' => request()->all(),
+                ],
+                SystemLog::CATEGORY_GATEWAY_RESPONSE,
+                SystemLog::EVENT_GATEWAY_SUCCESS,
+                SystemLog::TYPE_PAYPAL,
+                $this->client
+            );
+
+            return true;
+        }
+
+        SystemLogger::dispatch(
+            [
+                'server_response' => $response->getMessage(),
+                'data' => request()->all(),
+            ],
+            SystemLog::CATEGORY_GATEWAY_RESPONSE,
+            SystemLog::EVENT_GATEWAY_FAILURE,
+            SystemLog::TYPE_PAYPAL,
+            $this->client
+        );
+
+        return false;
+    }
 }

app/PaymentDrivers/StripePaymentDriver.php

@@ -471,6 +471,42 @@ class StripePaymentDriver extends BasePaymentDriver
         return $customer;
     }
 
+    public function refund(Payment $payment, $amount = null)
+    {
+        $this->gateway();
+
+        $response = $this->gateway
+            ->refund(['transactionReference' => $payment->transaction_reference, 'amount' => $amount ?? $payment->amount])
+            ->send();
+
+        if ($response->isSuccessful()) {
+            SystemLogger::dispatch(
+                [
+                    'server_response' => $response->getMessage(),
+                    'data' => request()->all(),
+                ],
+                SystemLog::CATEGORY_GATEWAY_RESPONSE,
+                SystemLog::EVENT_GATEWAY_SUCCESS,
+                SystemLog::TYPE_PAYPAL,
+                $this->client
+            );
+
+            return true;
+        }
+
+        SystemLogger::dispatch(
+            [
+                'server_response' => $response->getMessage(),
+                'data' => request()->all(),
+            ],
+            SystemLog::CATEGORY_GATEWAY_RESPONSE,
+            SystemLog::EVENT_GATEWAY_FAILURE,
+            SystemLog::TYPE_PAYPAL,
+            $this->client
+        );
+
+        return false;
+    }
 
     /************************************** Omnipay API methods **********************************************************/
 }

app/Utils/Traits/Payment/Refundable.php

@@ -11,9 +11,11 @@
 
 namespace App\Utils\Traits\Payment;
 
+use App\Exceptions\PaymentRefundFailed;
 use App\Factory\CreditFactory;
 use App\Factory\InvoiceItemFactory;
 use App\Models\Activity;
+use App\Models\CompanyGateway;
 use App\Models\Credit;
 use App\Models\Invoice;
 use App\Models\Payment;
@@ -163,11 +165,18 @@ trait Refundable
         $credit_note->number = $this->client->getNextCreditNumber($this->client);
         $credit_note->save();
 
-        //determine if we need to refund via gateway
         if ($data['gateway_refund'] !== false) {
-            //todo process gateway refund, on success, reduce the credit note balance to 0
-        }
+            $gateway = CompanyGateway::find($this->company_gateway_id);
 
+            if ($gateway) {
+                $amount = request()->has('amount') ? request()->amount : null;
+                $response = $gateway->driver($this->client)->refund($this, $amount);
+
+                if (!$response) {
+                    throw new PaymentRefundFailed();
+                }
+            }
+        }
 
         if ($total_refund > 0) {
             $this->refunded += $total_refund;

resources/views/portal/ninja2020/payments/show.blade.php

@@ -78,6 +78,7 @@
                                    href="{{ route('client.invoice.show', ['invoice' => $invoice->hashed_id])}}">
                                     {{ $invoice->number }}
                                 </a>
+                                <span>Payment: {{ $payment->hashed_id }} Invoice: {{ $invoice->hashed_id }} Amount: {{ $payment->amount }}</span>
                             </div>
                         </div>
                     @endforeach

routes/web.php

@@ -3,6 +3,8 @@
  * Signup Routes
  */
 
+use Omnipay\Omnipay;
+
 Route::get('/', 'BaseController@flutterRoute')->middleware('guest');
 Route::get('setup', 'SetupController@index')->middleware('guest');
 Route::post('setup/check_db', 'SetupController@checkDB')->middleware('guest');