Refactor view for authorization

app/Http/Controllers/ClientPortal/PaymentMethodController.php

@@ -48,7 +48,10 @@ class PaymentMethodController extends Controller
             'token' => false,
         ];
 
-        return $gateway->driver(auth()->user()->client)->authorizeCreditCardView($data);
+        return $gateway
+            ->driver(auth()->user()->client)
+            ->setPaymentMethod('App\\PaymentDrivers\\Stripe\\CreditCard')
+            ->authorizeView($data);
     }
 
     /**

app/PaymentDrivers/Stripe/CreditCard.php

@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * Invoice Ninja (https://invoiceninja.com)
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2020. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://opensource.org/licenses/AAL
+ */
+
+namespace App\PaymentDrivers\Stripe;
+
+use App\PaymentDrivers\StripePaymentDriver;
+
+class CreditCard
+{
+    /** @var StripePaymentDriver */
+    public $stripe;
+
+    public function __construct(StripePaymentDriver $stripe)
+    {
+        $this->stripe = $stripe;
+    }
+
+    /**
+     * Authorises a credit card for future use.
+     *
+     * @param  array  $data Array of variables needed for the view.
+     * 
+     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
+     */
+    public function authorizeView(array $data)
+    {
+        $intent['intent'] = $this->stripe->getSetupIntent();
+
+        return render('gateways.stripe.add_credit_card', array_merge($data, $intent));
+    }
+}

app/PaymentDrivers/StripePaymentDriver.php

@@ -40,6 +40,8 @@ class StripePaymentDriver extends BasePaymentDriver
 
     protected $customer_reference = 'customerReferenceParam';
 
+    protected $payment_method;
+
     /**
      * Methods in this class are divided into
      * two separate streams
@@ -62,6 +64,21 @@ class StripePaymentDriver extends BasePaymentDriver
         Stripe::setApiKey($this->company_gateway->getConfigField('apiKey'));
     }
 
+    /**
+     * Return payment method type.
+     * 
+     * @param string $method 
+     * @return $this 
+     */
+    public function setPaymentMethod(string $method)
+    {
+        // Example: setPaymentMethod('App\\PaymentDrivers\\Stripe\\CreditCard');
+
+        $this->payment_method = new $method($this);
+
+        return $this;
+    }
+
     /**
      * Returns the gateway types
      */
@@ -128,16 +145,15 @@ class StripePaymentDriver extends BasePaymentDriver
     }
 
     /**
-     * Authorises a credit card for future use.
-     *
-     * @param  array  $data Array of variables needed for the view
+     * Proxy method to pass the data into payment method authorizeView().
+     * 
+     * @param array $data 
+     * 
      * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
      */
-    public function authorizeCreditCardView(array $data)
+    public function authorizeView(array $data)
     {
-        $intent['intent'] = $this->getSetupIntent();
-
-        return render('gateways.stripe.add_credit_card', array_merge($data, $intent));
+        return $this->payment_method->authorizeView($data);
     }
 
     /**
@@ -400,12 +416,12 @@ class StripePaymentDriver extends BasePaymentDriver
         return $payment;
     }
 
-    private function convertFromStripeAmount($amount, $precision)
+    public function convertFromStripeAmount($amount, $precision)
     {
         return $amount / pow(10, $precision);
     }
 
-    private function convertToStripeAmount($amount, $precision)
+    public function convertToStripeAmount($amount, $precision)
     {
         return $amount * pow(10, $precision);
     }