feat: #6

locale.xml

@@ -554,6 +554,10 @@
             <de><![CDATA[storniert]]></de>
             <en><![CDATA[cancelled]]></en>
         </locale>
+        <locale name="message.change.order.status">
+            <de><![CDATA[Der Status der Bestellung wurde geändert in: [status]]]></de>
+            <en><![CDATA[The status of the purchase order has been changed to: [status]]]></en>
+        </locale>
     </groups>
 
     <groups name="quiqqer/order" datatype="js">

src/QUI/ERP/Order/OrderInProcess.php

@@ -100,6 +100,18 @@ public function update($PermissionUser = null)
             [$this, $data]
         );
 
+        if ($this->statusChanged) {
+            $this->History->addComment(
+                QUI::getLocale()->get(
+                    'quiqqer/order',
+                    'message.change.order.status',
+                    [
+                        'status' => $this->status
+                    ]
+                )
+            );
+        }
+
         QUI::getDataBase()->update(
             Handler::getInstance()->tableOrderProcess(),
             $data,