From 0c5d2911931a59b3f19688086803373b3f0c674e Mon Sep 17 00:00:00 2001
From: David Bomba <turbo124@gmail.com>
Date: Fri, 15 Apr 2022 09:51:39 +1000
Subject: [PATCH] Gateway fees for PayPal

---
 .../PayPalExpressPaymentDriver.php            | 48 +++++++++++++++++--
 1 file changed, 45 insertions(+), 3 deletions(-)

diff --git a/app/PaymentDrivers/PayPalExpressPaymentDriver.php b/app/PaymentDrivers/PayPalExpressPaymentDriver.php
index 75a569c84c..f6016c7e58 100644
--- a/app/PaymentDrivers/PayPalExpressPaymentDriver.php
+++ b/app/PaymentDrivers/PayPalExpressPaymentDriver.php
@@ -32,6 +32,8 @@ class PayPalExpressPaymentDriver extends BaseDriver
 
     private $omnipay_gateway;
 
+    private float $fee = 0;
+
     const SYSTEM_LOG_TYPE = SystemLog::TYPE_PAYPAL;
 
     public function gatewayTypes()
@@ -173,11 +175,17 @@ class PayPalExpressPaymentDriver extends BaseDriver
 
     public function generatePaymentDetails(array $data)
     {
+
+        $_invoice = collect($this->payment_hash->data->invoices)->first();
+        $invoice = Invoice::withTrashed()->find($this->decodePrimaryKey($_invoice->invoice_id));
+
+        $this->fee = $this->feeCalc($invoice, $data['total']['amount_with_fee']);
+
         return [
             'currency' => $this->client->getCurrencyCode(),
             'transactionType' => 'Purchase',
             'clientIp' => request()->getClientIp(),
-            'amount' => $data['total']['amount_with_fee'],
+            'amount' => $data['total']['amount_with_fee'] + $this->fee,
             'returnUrl' => route('client.payments.response', [
                 'company_gateway_id' => $this->company_gateway->id,
                 'payment_hash' => $this->payment_hash->hash,
@@ -200,8 +208,6 @@ class PayPalExpressPaymentDriver extends BaseDriver
         $_invoice = collect($this->payment_hash->data->invoices)->first();
         $invoice = Invoice::withTrashed()->find($this->decodePrimaryKey($_invoice->invoice_id));
 
-        $line_item = collect($invoice->line_items)->first();
-
         $items = [];
 
         $items[] = new Item([
@@ -211,8 +217,44 @@ class PayPalExpressPaymentDriver extends BaseDriver
                 'quantity' => 1,
             ]);
 
+
+        if($this->fee > 0.1){
+
+            $items[] = new Item([
+                'name' => " ",
+                'description' => ctrans('texts.gateway_fee_description'),
+                'price' => $this->fee,
+                'quantity' => 1,
+            ]);
+
+
+        }
+
         return $items;
 
     }
 
+    private function feeCalc($invoice, $invoice_total)
+    {
+
+        $invoice->service()->removeUnpaidGatewayFees();
+        $invoice = $invoice->fresh();
+        
+        $balance = floatval($invoice->balance);
+
+        $_updated_invoice = $invoice->service()->addGatewayFee($this->company_gateway, GatewayType::PAYPAL, $invoice_total)->save();
+
+        if(floatval($_updated_invoice->balance) > $balance){
+
+            $fee = floatval($_updated_invoice->balance) - $balance;
+
+            $this->payment_hash->fee_total = $fee;
+            $this->payment_hash->save();
+
+            return $fee;
+        }
+
+        return 0;
+    }
+
 }