Added Statusflags in AddressDB

application/PreorderStatusflagValue/PreorderStatusflagValue.php

@@ -1,16 +1,39 @@
 <?php
 
 class PreorderStatusflagValue extends mfBaseModel {
+    private $preorder;
 
     protected function afterSave() {
-        if($this->_old_data->value != $this->value) {
+        if(!property_exists($this->_old_data, "value") || $this->_old_data->value != $this->data->value) {
             $history = PreorderHistoryModel::create([
-                "preorder_id" => $this->preorder_id,
-                "key" => "preorderstatusflag-".$this->flag_id."-value",
-                "old_value" => $this->_old_data->value,
+                "preorder_id" => $this->data->preorder_id,
+                "key" => "preorderstatusflag-".$this->data->flag_id."-value",
+                "old_value" => property_exists($this->_old_data, "value") ? $this->_old_data->value : null,
                 "new_value" => $this->data->value
             ]);
             $history->save();
+            $this->getProperty("preorder")->afterSave();
         }
     }
+
+    public function getProperty($name) {
+        if($this->$name == null) {
+
+            $classname = ucfirst($name);
+            $idfield = $name."_id";
+            $this->$name = mfValuecache::singleton()->get("mfObjectmodel-$name-".$this->$idfield);
+            if(!$this->$name) {
+                $this->$name = new $classname($this->$idfield);
+            }
+
+            if($this->$name->id) {
+                mfValuecache::singleton()->set("mfObjectmodel-$name-".$this->$name->id, $this->$name);
+                return $this->$name;
+            } else {
+                return null;
+            }
+        }
+
+        return $this->$name;
+    }
 }