update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/PiwikPro/Widgets.php

@@ -0,0 +1,82 @@
+<?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\PiwikPro;
+
+use Piwik\Piwik;
+use Piwik\PiwikPro\Advertising;
+use Piwik\Plugins\ExampleRssWidget\RssRenderer;
+use Piwik\View;
+
+class Widgets extends \Piwik\Plugin\Widgets
+{
+    protected $category = 'About Piwik';
+
+    /**
+     * @var Advertising
+     */
+    private $advertising;
+
+    /**
+     * @var Promo
+     */
+    private $promo;
+
+    public function __construct(Advertising $advertising, Promo $promo)
+    {
+        $this->advertising = $advertising;
+        $this->promo = $promo;
+    }
+
+    protected function init()
+    {
+        if ($this->advertising->arePiwikProAdsEnabled()) {
+            $this->addWidget('PiwikPro_WidgetBlogTitle', 'rssPiwikPro');
+            $this->addWidget('PiwikPro_WidgetPiwikProAd', 'promoPiwikPro');
+        }
+    }
+
+    public function rssPiwikPro()
+    {
+        try {
+            $rss = new RssRenderer('https://piwik.pro/feed/');
+            $rss->showDescription(true);
+
+            return $rss->get();
+
+        } catch (\Exception $e) {
+
+            return $this->error($e);
+        }
+    }
+
+    public function promoPiwikPro()
+    {
+        $view = new View('@PiwikPro/promoPiwikProWidget');
+
+        $promo = $this->promo->getContent();
+
+        $view->ctaLinkUrl = $this->advertising->getPromoUrlForOnPremises('PromoWidget', $promo['campaignContent']);
+        $view->ctaText = $promo['text'];
+        $view->ctaLinkTitle = $this->promo->getLinkTitle();
+
+        return $view->render();
+    }
+
+    /**
+     * @param \Exception $e
+     * @return string
+     */
+    private function error($e)
+    {
+        return '<div class="pk-emptyDataTable">'
+             . Piwik::translate('General_ErrorRequest', array('', ''))
+             . ' - ' . $e->getMessage() . '</div>';
+    }
+
+}