From f9457de07300878b4c20c5e58f8cadea5ce393b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20Beganovi=C4=87?= <k1pstabug@gmail.com>
Date: Tue, 9 Feb 2021 13:23:48 +0100
Subject: [PATCH] Allow variables in the custom payment driver

---
 app/PaymentDrivers/CustomPaymentDriver.php | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/app/PaymentDrivers/CustomPaymentDriver.php b/app/PaymentDrivers/CustomPaymentDriver.php
index 309ade7352f3..b7b930398b74 100644
--- a/app/PaymentDrivers/CustomPaymentDriver.php
+++ b/app/PaymentDrivers/CustomPaymentDriver.php
@@ -14,13 +14,18 @@ namespace App\PaymentDrivers;
 
 use App\Models\ClientGatewayToken;
 use App\Models\GatewayType;
+use App\Models\Invoice;
 use App\Models\Payment;
+use App\Utils\HtmlEngine;
+use App\Utils\Traits\MakesHash;
 
 /**
  * Class CustomPaymentDriver.
  */
 class CustomPaymentDriver extends BaseDriver
 {
+    use MakesHash;
+
     public $token_billing = false;
 
     public $can_authorise_credit_card = false;
@@ -52,12 +57,18 @@ class CustomPaymentDriver extends BaseDriver
      */
     public function processPaymentView($data)
     {
+        $invitation = Invoice::findOrFail(
+            $this->decodePrimaryKey($data['invoices']['0']['invoice_id'])
+        )->invitations->first();
+
+        $variables = (new HtmlEngine($invitation))->generateLabelsAndValues();
+
         $data['title'] = $this->company_gateway->getConfigField('name');
-        $data['instructions'] = $this->company_gateway->getConfigField('text');
-        
+        $data['instructions'] = strtr($this->company_gateway->getConfigField('text'), $variables['values']);
+
         $this->payment_hash->data = array_merge((array) $this->payment_hash->data, $data);
         $this->payment_hash->save();
-        
+
         $data['gateway'] = $this;
 
         return render('gateways.custom.payment', $data);