monitoring: Add host comment data view

refs #9009

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

@@ -0,0 +1,54 @@
+<?php
+/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Monitoring\DataView;
+
+/**
+ * Host comment view
+ */
+class Hostcomment 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_author',
+            'comment_author_name',
+            'comment_data',
+            'comment_expiration',
+            'comment_internal_id',
+            'comment_is_persistent',
+            'comment_timestamp',
+            'comment_type',
+            'host_display_name',
+            'host_name',
+            'object_type'
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getFilterColumns()
+    {
+        return array(
+            'host', 'hostgroup', 'hostgroup_alias', 'hostgroup_name',
+            'service', 'servicegroup', 'servicegroup_alias', 'servicegroup_name'
+        );
+    }
+}