Added Emaillog to PreorderBillingInvoice

application/PreorderBillingInvoice/PreorderBillingInvoice.php

@@ -10,6 +10,7 @@ class PreorderBillingInvoice extends mfBaseModel {
     private $pdf;
     private $csv;
 
+    private $emailLog;
     private $creator;
     private $editor;
 
@@ -278,6 +279,14 @@ RML Infrastruktur GmbH";
                 return $this->csv;
             }
 
+            if($name == "emailLog") {
+                $emaillog = EmailLog::getFirst(["object_type" => "PreorderBillingInvoice", "object_id" => $this->id]);
+                if($emaillog) {
+                    $this->emailLog = $emaillog;
+                }
+                return $this->emailLog;
+            }
+
             if($name == "creator") {
                 $creator = mfValuecache::singleton()->get("Worker-id-".$this->create_by);
                 if($creator) {