monitoring: Add restrictable filter columns to the comment data view

refs #9009

modules/monitoring/library/Monitoring/DataView/Comment.php

@@ -4,32 +4,57 @@
 namespace Icinga\Module\Monitoring\DataView;
 
 /**
- * View representation for comments
+ * Host and service comments view
  */
 class Comment extends DataView
 {
+    /**
+     * {@inheritdoc}
+     */
+    public function isValidFilterTarget($column)
+    {
+        if ($column[0] === '_'
+            && preg_match('/^_(?:host|service)_/', $column)
+        ) {
+            return true;
+        }
+        return parent::isValidFilterTarget($column);
+    }
+
     /**
      * {@inheritdoc}
      */
     public function getColumns()
     {
         return array(
-            'comment_objecttype',
-            'comment_internal_id',
-            'comment_data',
             'comment_author_name',
+            'comment_data',
+            'comment_expiration',
+            'comment_internal_id',
+            'comment_is_persistent',
             'comment_timestamp',
             'comment_type',
-            'comment_is_persistent',
-            'comment_expiration',
-            'host_name',
-            'service_description',
             'host_display_name',
+            'host_name',
+            'object_type',
+            'service_description',
             'service_display_name',
             'service_host_name'
         );
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function getFilterColumns()
+    {
+        return array(
+            'comment_author ',
+            'host', 'hostgroup', 'hostgroup_alias', 'hostgroup_name',
+            'service', 'servicegroup', 'servicegroup_alias', 'servicegroup_name'
+        );
+    }
+
     /**
      * {@inheritdoc}
      */
@@ -55,12 +80,4 @@ class Comment extends DataView
             )
         );
     }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getFilterColumns()
-    {
-        return array('comment_author', 'host', 'service', 'service_host');
-    }
 }