Il manquait plein de fichiers dans Git

local/modules/AdminOrderCreation/Util/Calc.php

@@ -0,0 +1,39 @@
+<?php
+/*************************************************************************************/
+/*      This file is part of the module AdminOrderCreation                           */
+/*                                                                                   */
+/*      For the full copyright and license information, please view the LICENSE.txt  */
+/*      file that was distributed with this source code.                             */
+/*************************************************************************************/
+
+namespace AdminOrderCreation\Util;
+
+class Calc
+{
+    public static function reduction($value, $type, $price, $quantity = 1)
+    {
+        $type = (int) $type;
+        $value = (float) $value;
+        $quantity = (float) $quantity;
+
+        if ($type === 1) {
+            if ($value < 0 || $value > 100) {
+                throw new \Exception('Invalid arg reduction');
+            }
+
+            return (($price / 100) * (100 - $value));
+        } elseif ($type === 2) {
+            if ($value < 0 || $value > $price * $quantity) {
+                throw new \Exception('Invalid arg reduction');
+            }
+
+            return ($price * $quantity - $value) / $quantity;
+        } elseif ($type === 3) {
+            if ($value < 0 || $value > $price) {
+                throw new \Exception('Invalid arg reduction');
+            }
+
+            return ($price - $value);
+        }
+    }
+}