Billing / generation of Invoices finished

application/Invoice/Invoice.php

@@ -2,6 +2,7 @@
 
 class Invoice extends mfBaseModel {
     private $positions;
+    private $voicenumbers;
 
     public function getProperty($name) {
         if($this->$name == null) {
@@ -17,6 +18,12 @@ class Invoice extends mfBaseModel {
                 return $this->positions;
             }
 
+            if($name == "voicenumbers") {
+                $voicenumbers = InvoiceVoicenumberModel::search(["invoice_id" => $this->id]);
+                $this->voicenumbers = $voicenumbers;
+                return $this->voicenumbers;
+            }
+
             if($name == "creator") {
                 $this->creator = mfValuecache::singleton()->get("Worker-id-".$this->create_by);
                 if($this->creator === null) {