Controller method that parses data for the view

home.php

// group the notifications by entity_id
		$groups = array();
		foreach($notifications as $notif){
			$entity_id = $notif->get_entity_id();
			// echo $entity_id;
			$entity = $this->em->getRepository('models\\'.$notif->get_entity_type())->find($entity_id);
			$type   = $notif->get_type();
			
			// notification are grouped together. ww: changed array key to now include the type of 
			// notifcation as to not get 2 types with the same id creating one alert
//			echo $entity_id.$type;
			$grouping_key = $entity_id . $type;
			if ($type == 'friend_connection')
			{
				if ($entity_id > $notif->get_user_from_id())
					$grouping_key = $entity_id . '&' . $notif->get_user_from_id();
				else
					$grouping_key = $notif->get_user_from_id() . '&' . $entity_id;
				$grouping_key .= $type;
			}

			if (isset($groups[$grouping_key])) {
				// $groups[$entity_id.$type]['notifications'][] = $notif;
				$groups[$grouping_key]['notifications'][] = $notif;
			} else {
				$groups[$grouping_key] = array(
					"entity" => $entity,
					"notifications" => array($notif)
				);
			}
		}
		
		$data['content_heading'] = count($groups) == 0 ? 'WELCOME TO UCROO' : 'RECENT ACTIVITY';
		$data['groups'] = $groups;

		$this->template->build('home/activity', $data);