feat: implement onQuiqqerErpGetHistoryByUser event handler

events.xml

@@ -23,6 +23,10 @@
            fire="\QUI\ERP\Accounting\Invoice\EventHandler::onQuiqqerErpGetCommentsByUser"
     />
 
+    <event on="onQuiqqerErpGetHistoryByUser"
+           fire="\QUI\ERP\Accounting\Invoice\EventHandler::onQuiqqerErpGetHistoryByUser"
+    />
+
     <event on="onQuiqqerErpOutputSendMail"
            fire="\QUI\ERP\Accounting\Invoice\EventHandler::onQuiqqerErpOutputSendMail"
     />

src/QUI/ERP/Accounting/Invoice/EventHandler.php

@@ -239,13 +239,31 @@ public static function onQuiqqerErpGetCommentsByUser(
 
         foreach ($invoices as $Invoice) {
             $Comments->import($Invoice->getComments());
+        }
+    }
+
+    /**
+     * quiqqer/customer: onQuiqqerErpGetHistoryByUser
+     *
+     * @param QUI\Users\User $User
+     * @param QUI\ERP\Comments $Comments
+     */
+    public static function onQuiqqerErpGetHistoryByUser(
+        QUI\Users\User $User,
+        QUI\ERP\Comments $Comments
+    ) {
+        $Handler  = Handler::getInstance();
+        $invoices = $Handler->getInvoicesByUser($User);
 
+        foreach ($invoices as $Invoice) {
             // created invoice
             $Comments->addComment(
                 QUI::getLocale()->get('quiqqer/invoice', 'erp.comment.invoice.created', [
                     'invoiceId' => $Invoice->getId()
                 ]),
-                \strtotime($Invoice->getAttribute('c_date'))
+                \strtotime($Invoice->getAttribute('c_date')),
+                'quiqqer/invoice',
+                'fa fa-history'
             );
         }
     }