update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/Referrers/Visitor.php

@@ -0,0 +1,130 @@
+<?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;
+
+use Piwik\Url;
+use Piwik\UrlHelper;
+
+require_once PIWIK_INCLUDE_PATH . '/plugins/Referrers/functions.php';
+
+class Visitor
+{
+    private $details = array();
+
+    public function __construct($details)
+    {
+        $this->details = $details;
+    }
+
+    public function getReferrerType()
+    {
+        try {
+            $referrerType = getReferrerTypeFromShortName($this->details['referer_type']);
+        } catch (\Exception $e) {
+            $referrerType = '';
+        }
+
+        return $referrerType;
+    }
+
+    public function getReferrerTypeName()
+    {
+        return getReferrerTypeLabel($this->details['referer_type']);
+    }
+
+    public function getKeyword()
+    {
+        $keyword = $this->details['referer_keyword'];
+        
+        if ($this->getReferrerType() == 'search') {
+            $keyword = API::getCleanKeyword($keyword);
+        }
+
+        return urldecode($keyword);
+    }
+
+    public function getReferrerUrl()
+    {
+        if ($this->getReferrerType() == 'search') {
+            if ($this->details['referer_keyword'] == API::LABEL_KEYWORD_NOT_DEFINED) {
+
+                return 'http://piwik.org/faq/general/#faq_144';
+
+            } // Case URL is google.XX/url.... then we rewrite to the search result page url
+            elseif ($this->getReferrerName() == 'Google'
+                && strpos($this->details['referer_url'], '/url')
+            ) {
+                $refUrl = @parse_url($this->details['referer_url']);
+                if (isset($refUrl['host'])) {
+                    $url = SearchEngine::getInstance()->getBackLinkFromUrlAndKeyword('http://google.com', $this->getKeyword());
+                    $url = str_replace('google.com', $refUrl['host'], $url);
+
+                    return $url;
+                }
+            }
+        }
+
+        if (UrlHelper::isLookLikeUrl($this->details['referer_url'])) {
+            return $this->details['referer_url'];
+        }
+
+        return null;
+    }
+
+    public function getKeywordPosition()
+    {
+        if ($this->getReferrerType() == 'search'
+            && strpos($this->getReferrerName(), 'Google') !== false
+        ) {
+            $url = @parse_url($this->details['referer_url']);
+            if (empty($url['query'])) {
+
+                return null;
+            }
+
+            $position = UrlHelper::getParameterFromQueryString($url['query'], 'cd');
+            if (!empty($position)) {
+
+                return $position;
+            }
+        }
+
+        return null;
+    }
+
+    public function getReferrerName()
+    {
+        return urldecode($this->details['referer_name']);
+    }
+
+    public function getSearchEngineUrl()
+    {
+        if ($this->getReferrerType() == 'search'
+            && !empty($this->details['referer_name'])
+        ) {
+
+            return SearchEngine::getInstance()->getUrlFromName($this->details['referer_name']);
+        }
+
+        return null;
+    }
+
+    public function getSearchEngineIcon()
+    {
+        $searchEngineUrl = $this->getSearchEngineUrl();
+
+        if (!is_null($searchEngineUrl)) {
+
+            return SearchEngine::getInstance()->getLogoFromUrl($searchEngineUrl);
+        }
+
+        return null;
+    }
+
+}