Make sort function anonymous; Add check if the configured entities in the XML exists

Author: Bernard Delhez

src/app/code/community/IntegerNet/Anonymizer/Model/Anonymizer.php

@@ -30,7 +30,9 @@ protected function _getEntityModels()
         $entityModels = [];
 
         foreach ($entityModelsConfigArray as $entityModelsConfig) {
-            if (Mage::getModel($entityModelsConfig['class'])) {
+            $entityModel = Mage::getModel($entityModelsConfig['class']);
+            if ($entityModel instanceof IntegerNet_Anonymizer_Model_Bridge_Entity_Abstract
+                && $entityModel->entityExists()) {
                 $entityModels[] = $entityModelsConfig['class'];
             }
         }
@@ -39,12 +41,12 @@ protected function _getEntityModels()
     }
     protected function _sortEntityModelsConfig($entityModelsConfig)
     {
-        function sortEntityModels($entityModel1, $entityModel2)
-        {
-            return strcmp($entityModel1['sort'], $entityModel2['sort']);
-        }
-
-        usort($entityModelsConfig, 'sortEntityModels');
+        usort(
+            $entityModelsConfig,
+            function ($entityModel1, $entityModel2) {
+                return strcmp($entityModel1['sort'], $entityModel2['sort']);
+            }
+        );
         return $entityModelsConfig;
     }
     /**

src/app/code/community/IntegerNet/Anonymizer/Model/Bridge/Entity/Abstract.php

@@ -174,4 +174,12 @@ public function getCollectionIterator()
         return $iterator;
     }
 
+    /**
+     * Check if the entity exists
+     * @return bool
+     */
+    public function entityExists()
+    {
+        return (bool)$this->_entity;
+    }
 }