update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/Referrers/Columns/ReferrerUrl.php

@@ -0,0 +1,42 @@
+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Plugins\Referrers\Columns;
+
+use Piwik\Plugins\Referrers\Segment;
+use Piwik\Tracker\Request;
+use Piwik\Tracker\Visitor;
+use Piwik\Tracker\Action;
+
+class ReferrerUrl extends Base
+{
+    protected $columnName = 'referer_url';
+    protected $columnType = 'TEXT NOT NULL';
+
+    protected function configureSegments()
+    {
+        $segment = new Segment();
+        $segment->setSegment('referrerUrl');
+        $segment->setName('Live_Referrer_URL');
+        $segment->setAcceptedValues('http%3A%2F%2Fwww.example.org%2Freferer-page.htm');
+        $this->addSegment($segment);
+    }
+
+    /**
+     * @param Request $request
+     * @param Visitor $visitor
+     * @param Action|null $action
+     * @return mixed
+     */
+    public function onNewVisit(Request $request, Visitor $visitor, $action)
+    {
+        $information = $this->getReferrerInformationFromRequest($request, $visitor);
+
+        return $information['referer_url'];
+    }
+}