Add details & Gmail view action to threshold notification

Author: mgrauer

modules/tracker/Notification.php

@@ -168,15 +168,34 @@ public function sendEmail($params)
         $producerDao = $trendDao->getProducer();
         $fullUrl = UtilityComponent::getServerURL().$this->webroot;
         $email = $userDao->getEmail();
-        $subject = 'Tracker Dashboard Threshold Notification';
+
+        $producerName = $producerDao->getDisplayName();
+        $trendName = $trendDao->getDisplayName();
+        $thresholdValue = $notification['value'];
+        $thresholdComparison = $notification['comparison'];
+        $scalarValue = $scalar['value'];
+        $subject = 'Threshold Alert: ' . $producerName . ': ' . $trendName . ' value ' . $scalarValue . ' ' . $thresholdComparison . ' ' . $thresholdValue;
+
         $body = 'Hello,<br/><br/>This email was sent because a submitted scalar value exceeded a threshold that you specified.<br/><br/>';
         $body .= '<b>Community:</b> <a href="'.$fullUrl.'/community/'.$producerDao->getCommunityId(
             ).'">'.htmlspecialchars($producerDao->getCommunity()->getName(), ENT_QUOTES, 'UTF-8').'</a><br/>';
         $body .= '<b>Producer:</b> <a href="'.$fullUrl.'/'.$this->moduleName.'/producer/view?producerId='.$producerDao->getKey(
             ).'">'.htmlspecialchars($producerDao->getDisplayName(), ENT_QUOTES, 'UTF-8').'</a><br/>';
         $body .= '<b>Trend:</b> <a href="'.$fullUrl.'/'.$this->moduleName.'/trend/view?trendId='.$trendDao->getKey(
             ).'">'.htmlspecialchars($trendDao->getDisplayName(), ENT_QUOTES, 'UTF-8').'</a><br/>';
-        $body .= '<b>Value:</b> '.htmlspecialchars($scalar['value'], ENT_QUOTES, 'UTF-8');
+        $body .= 'Visit the above Trend link to change or disable notifications.<br/>';
+        $body .= '<b>Value:</b> '.htmlspecialchars($scalarValue, ENT_QUOTES, 'UTF-8').'<br/>';
+        $body .= '<b>Threshold:</b> '.htmlspecialchars($thresholdComparison, ENT_QUOTES, 'UTF-8').' '.htmlspecialchars($thresholdValue, ENT_QUOTES, 'UTF-8').'<br/>';
+
+        // Add gmail "View Action".
+        $trendTrackerUrl = $fullUrl.'/'.$this->moduleName.'/trend/view?trendId='.$trendDao->getKey();
+        $body .= '<div itemscope itemtype="http://schema.org/EmailMessage">';
+        $body .= '  <div itemprop="potentialAction" itemscope itemtype="http://schema.org/ViewAction">';
+        $body .= '    <link itemprop="target" href="'.$trendTrackerUrl.'"/>';
+        $body .= '    <meta itemprop="name" content="View trend plot"/>';
+        $body .= '  </div>';
+        $body .= '  <meta itemprop="description" content="View the trend plot"/>';
+        $body .= '</div>';
 
         Zend_Registry::get('notifier')->callback(
             'CALLBACK_CORE_SEND_MAIL_MESSAGE',