<?php
session_start();
require('../../admin/incl/const.php');
require('../../admin/class/database.php');
require('../../admin/class/permalink.php');
require('../../admin/class/access_groups.php');

$loc = null;
const SHOW_DATATABLES = false;
const JS_VARNAMES = array();

if(isset($_GET['permalink']) || isset($_SESSION['permalink'])){
	
	$database = new Database(DB_HOST, DB_NAME, DB_USER, DB_PASS, DB_PORT, DB_SCMA);
	$obj = new permalink_Class($database->getConn(), $_SESSION['user']->id);
	
	if(isset($_GET['permalink'])){	// called from index.php
		$_SESSION['permalink'] = $_GET['permalink']; 	// save permalink for data_{file,gs,pg}.php
		$row = $obj->getMap($_GET['permalink'], 1);
	}else{
		$row = $obj->getMap($_SESSION['permalink'], 0);
	}
	
	if($row == null){
		die('Sorry permalink is invalid or expired!');
	}
	
	$map_id = $row['map_id'];
	if($map_id != MAP_ID){
		die('Sorry permalink is not for this map!');
	}
	
	$loc = explode('/', $row['query']);	// 11/41.8036/-87.6407
}else{
	
	if(!isset($_SESSION['user'])) {
	  header('Location: ../../login.php');
	  exit;
	}
	$database = new Database(DB_HOST, DB_NAME, DB_USER, DB_PASS, DB_PORT, DB_SCMA);
	$map_id  = MAP_ID;
	$acc_obj = new access_group_Class($database->getConn(), $_SESSION['user']->id);

	$usr_grps = $acc_obj->getByUserId($_SESSION['user']->id);
	if(!count($usr_grps)){
		die('Sorry, no access group!');
	}

	$usr_grps = $acc_obj->getGroupMapGroups(array_keys($usr_grps));
	if(!count($usr_grps) || !isset($usr_grps[$map_id])){
			die('Sorry, access not allowed!');
	}
}
?>