<?php
/*
Author: 		Riccardo Di Dato
Creation Date:	27/gen/2016
*/

class AnalyticsHelper {
	private static $COOKIE_NAME = "FDN_STAT_NUM";
	// Switch this value to +1 year in production environment
	private static $COOKIE_TIME = "+5 minutes";
	
	public static function savePageImpression($ip, $content, $source){
		$tmp = new stdClass();
		
		$tmp->user = null;
		if (isset($_COOKIE[self::$COOKIE_NAME])){
			$id = $_COOKIE[self::$COOKIE_NAME];
			
			$tmp->user = new stdClass();
			$tmp->user->id = $id;
			$tmp->user->isNew = false;
			if (GlobalVariables::get("dao")->count("StatisticModel",array("user.id"=>$id))==0){
				$tmp->user->isNew = true;
			}
		}
		
		$tmp->content = $content;
		$tmp->source = $source;
		$tmp->ip = $ip;
		$tmp->statType = StatisticModel::STAT_TYPE_PAGE;
		$stat = new StatisticModel($tmp);
		GlobalVariables::get("dao")->save($stat);
	}
	
	public static function logPageImpression(){
		if (!isset($_COOKIE[self::$COOKIE_NAME])){
			self::prepareStatCookie();
		}
		
		$ip = $_SERVER['REMOTE_ADDR'];
		$content = basename($_SERVER['PHP_SELF']);
		$source = null;
		if (array_key_exists("HTTP_REFERER",$_SERVER)){
			$source = $_SERVER['HTTP_REFERER'];
		}
		
		$function = '$.ajax({url: "stats/pageImpression.php", method: "POST", data: { "ip": "'.$ip.'", "content": "'.$content.'", "source": "'.$source.'" }, dataType: "html" });';
		GUIHandler::addOnLoadJsEvent($function);
	}
	
	
	private static function prepareStatCookie(){
		setcookie(self::$COOKIE_NAME, uniqid("",true), strtotime(self::$COOKIE_TIME) );
	}
	
}

?>