From e1ac461143eded52ab8781ed06d06d4673d05adc Mon Sep 17 00:00:00 2001
From: Sebastian Bossert <sebastian.bossert@customweb.com>
Date: Mon, 18 Nov 2019 16:14:32 +0100
Subject: [PATCH] Release 1.0.31

---
 README.md                                              |  4 ++--
 docs/en/documentation.html                             |  4 ++--
 .../library/postfinancecheckout/service/line_item.php  | 10 +++++-----
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index 7234c50..0730647 100644
--- a/README.md
+++ b/README.md
@@ -11,8 +11,8 @@ This repository contains the OpenCart  PostFinance Checkout payment module that
 
 ## Documentation
 
-* [English](https://plugin-documentation.postfinance-checkout.ch/pfpayments/opencart-2.3/1.0.30/docs/en/documentation.html)
+* [English](https://plugin-documentation.postfinance-checkout.ch/pfpayments/opencart-2.3/1.0.31/docs/en/documentation.html)
 
 ## License
 
-Please see the [license file](https://github.com/pfpayments/opencart-2.3/blob/1.0.30/LICENSE) for more information.
\ No newline at end of file
+Please see the [license file](https://github.com/pfpayments/opencart-2.3/blob/1.0.31/LICENSE) for more information.
\ No newline at end of file
diff --git a/docs/en/documentation.html b/docs/en/documentation.html
index 888d1a6..d47b445 100644
--- a/docs/en/documentation.html
+++ b/docs/en/documentation.html
@@ -21,7 +21,7 @@ <h2>Documentation</h2>				</div>
 		</a>
 	</li>
 	<li>
-		<a href="https://github.com/pfpayments/opencart-2.3/releases/tag/1.0.30/">
+		<a href="https://github.com/pfpayments/opencart-2.3/releases/tag/1.0.31/">
 			Source
 		</a>
 	</li>
@@ -48,7 +48,7 @@ <h1>
 					<div class="olist arabic">
 <ol class="arabic">
 <li>
-<p><a href="https://github.com/pfpayments/opencart-2.3/releases/tag/1.0.30/">Download</a> the extension.</p>
+<p><a href="https://github.com/pfpayments/opencart-2.3/releases/tag/1.0.31/">Download</a> the extension.</p>
 </li>
 <li>
 <p>Extract the files and upload the content of the <code>Upload</code> directory into the root directory of your store using FTP/SSH.</p>
diff --git a/upload/system/library/postfinancecheckout/service/line_item.php b/upload/system/library/postfinancecheckout/service/line_item.php
index 85fb208..c11b631 100644
--- a/upload/system/library/postfinancecheckout/service/line_item.php
+++ b/upload/system/library/postfinancecheckout/service/line_item.php
@@ -381,12 +381,12 @@ private function createLineItemFromProduct($product){
 		$product['tax_class_id'] = $this->getTaxClassByProductId($product['product_id']);
 
 		if ($this->coupon && (!$this->coupon['product'] || in_array($product['product_id'], $this->coupon['product']))) {
-			$count = 1;
-			if(!empty($this->coupon['product'])) {
-				$count = count($this->coupon['product']);
-			}
 			if ($this->coupon['type'] == 'F') {
-				$discount = $this->coupon['discount'] / $count;
+				if(empty($this->coupon['product'])) {
+					$discount = $this->coupon['discount'] * ($product['total'] / $this->sub_total);
+				}else {
+					$discount = $this->coupon['discount'] / count($this->coupon['product']);
+				}
 			}
 			elseif ($this->coupon['type'] == 'P') {
 				$discount = $product['total'] / 100 * $this->coupon['discount'];