Working on Paypal Driver

app/PaymentDrivers/BasePaymentDriver.php

@@ -70,7 +70,7 @@ class BasePaymentDriver
 	 */
 	protected function gateway()
     {
-
+\Log::error("booting {$this->company_gateway->gateway->provider}");
         $this->gateway = Omnipay::create($this->company_gateway->gateway->provider);
         $this->gateway->initialize((array) $this->company_gateway->getConfig());
 
@@ -160,17 +160,16 @@ class BasePaymentDriver
 		acceptNotification() - convert an incoming request from an off-site gateway to a generic notification object for further processing
 	*/
 
-    protected function paymentDetails($paymentMethod = false)
+    protected function paymentDetails($input)
     {
-        $gatewayTypeAlias = $this->gatewayType == GatewayType::TOKEN ? $this->gatewayType : GatewayType::getAliasFromId($this->gatewayType);
-        $completeUrl = $this->invitation->getLink('complete', true) . '/' . $gatewayTypeAlias;
+       // $gatewayTypeAlias = $this->gatewayType == GatewayType::TOKEN ? $this->gatewayType : GatewayType::getAliasFromId($this->gatewayType);
 
         $data = [
             'currency' => $this->client->getCurrencyCode(),
             'transactionType' => 'Purchase',
             'clientIp' => request()->getClientIp(),
         ];
-
+/*
         if ($paymentMethod) {
             if ($this->customerReferenceParam) {
                 $data[$this->customerReferenceParam] = $paymentMethod->account_gateway_token->token;
@@ -181,14 +180,16 @@ class BasePaymentDriver
         } else {
             $data['card'] = new CreditCard($this->paymentDetailsFromClient());
         }
-
+*/
         return $data;
     }
 
-	public function purchase($data, $items)
+	public function offsitePurchase($data, $items)
 	{
-		$response = $this->gateway
-  						 ->purchase($data)
+		$this->gateway();
+
+		$response =    	$this->gateway
+						 ->purchase($data)
 						 ->setItems($items)
 						 ->send();
 

app/PaymentDrivers/PayPalExpressPaymentDriver.php

@@ -15,6 +15,7 @@ use App\Models\ClientGatewayToken;
 use App\Models\GatewayType;
 use App\Utils\Traits\MakesHash;
 use Illuminate\Http\Request;
+use Omnipay\Common\Item;
 
 class PayPalExpressPaymentDriver extends BasePaymentDriver
 {
@@ -53,7 +54,7 @@ class PayPalExpressPaymentDriver extends BasePaymentDriver
      */
     public function processPaymentView(array $data)
     {
-        $this->purchase();
+        $this->offsitePurchase($this->paymentDetails($data), $this->paymentItems($data));
     }
 
     public function processPaymentResponse($request)
@@ -61,15 +62,15 @@ class PayPalExpressPaymentDriver extends BasePaymentDriver
 
     }
 
-    protected function paymentDetails()
+    protected function paymentDetails($input)
     {
-        $data = parent::paymentDetails();
+        $data = parent::paymentDetails($input);
 
-        $data['amount'] = $invoice->getRequestedAmount();
-        $data['returnUrl'] = $completeUrl;
-        $data['cancelUrl'] = $this->invitation->getLink();
-        $data['description'] = trans('texts.' . $invoice->getEntityType()) . " {$invoice->invoice_number}";
-        $data['transactionId'] = $invoice->invoice_number;
+        $data['amount'] = $input['amount_with_fee'];
+        $data['returnUrl'] = $this->buildReturnUrl($input);
+        $data['cancelUrl'] = $this->buildCancelUrl($input);
+        $data['description'] = $this->buildDescription($input);
+        $data['transactionId'] = $this->buildTransactionId($input);
 
         $data['ButtonSource'] = 'InvoiceNinja_SP';
         $data['solutionType'] = 'Sole'; // show 'Pay with credit card' option
@@ -78,8 +79,81 @@ class PayPalExpressPaymentDriver extends BasePaymentDriver
         return $data;
     }
 
-    private function buildReturnUrl()
+    private function buildReturnUrl($input)
     {
-        $url = $this->client->company->domain . "/payment_hook/{$this->company_gateway->id}/{GatewayType::PAYPAL}";
+        $url = $this->client->company->domain . "/payment_hook/{$this->company_gateway->id}/{GatewayType::PAYPAL}/";
+        $url .= "?hashed_ids=" . implode(",", $input['hashed_ids']); 
+        $url .= "&amount=".$input['amount'];
+        $url .= "&fee=".$input['fee'];
+
+        return $url;
     }
+
+    private function buildCancelUrl($input)
+    {
+        $url = $this->client->company->domain . '/client/invoices';
+
+        return $url;
+    }
+
+    private function buildDescription($input)
+    {
+        $invoice_numbers = "";
+        
+        foreach($input['invoices'] as $invoice)
+        {
+            $invoice_numbers .= $invoice->invoice_number." ";
+        }
+
+        return ctrans('texts.invoice_number'). ": {$invoice_numbers}";
+
+    }
+
+    private function buildTransactionId($input)
+    {
+        return implode(",", $input['hashed_ids']);    
+    }
+
+    private function paymentItems($input) : array
+    {
+
+        $items = [];
+        $total = 0;
+
+        foreach ($input['invoices'] as $invoice) 
+        {
+            foreach($invoice->line_items as $invoiceItem)
+            {
+                // Some gateways require quantity is an integer
+                if (floatval($invoiceItem->quantity) != intval($invoiceItem->quantity)) {
+                    return null;
+                }
+
+                $item = new Item([
+                    'name' => $invoiceItem->product_key,
+                    'description' => substr($invoiceItem->notes, 0, 100),
+                    'price' => $invoiceItem->cost,
+                    'quantity' => $invoiceItem->quantity,
+                ]);
+
+                $items[] = $item;
+
+                $total += $invoiceItem->cost * $invoiceItem->quantity;
+            }
+        }
+
+        if ($total != $input['amount_with_fee']) {
+            $item = new Item([
+                'name' => trans('texts.taxes_and_fees'),
+                'description' => '',
+                'price' => $input['amount_with_fee'] - $total,
+                'quantity' => 1,
+            ]);
+
+            $items[] = $item;
+        }
+
+        return $items;
+    }
+    
 }

config/ninja.php

@@ -57,6 +57,7 @@ return [
         'clientname' => 'client@example.com',
         'password' => 'password',
         'stripe' => env('STRIPE_KEYS',''),
+        'paypal' => env('PAYPAL_KEYS', ''),
     ],
 
     'contact' => [

database/seeds/RandomDataSeeder.php

@@ -171,7 +171,22 @@ class RandomDataSeeder extends Seeder
             $cg->show_shipping_address = true;
             $cg->update_details = true;
             $cg->config = encrypt(config('ninja.testvars.stripe'));
-            $cg->priority_id = 1;
+            $cg->priority_id = 2;
+            $cg->save();
+        }
+
+        if(config('ninja.testvars.paypal'))
+        {
+            $cg = new CompanyGateway;
+            $cg->company_id = $company->id;
+            $cg->user_id = $user->id;
+            $cg->gateway_key = '38f2c48af60c7dd69e04248cbb24c36e';
+            $cg->require_cvv = true;
+            $cg->show_address = true;
+            $cg->show_shipping_address = true;
+            $cg->update_details = true;
+            $cg->config = encrypt(config('ninja.testvars.paypal'));
+            $cg->priority_id = 3;
             $cg->save();
         }