<?php

class Security extends CI_Model{
        
        function getcode(){
                
                if(empty($_SESSION['mysession_id'])){
                        
                        $str = 'abcdefghijklmnopqrstuvwxyz';
                        $str .= strtoupper($str);
                        $str .= '0123456789';
                        
                        $ss = '';
                        
                        for($i=1; $i<= 15; $i++){
                                $ss .= substr($str,rand(0,strlen($str)),1);
                        }
                        
                        $_SESSION['mysession_id'] = $ss;
                                                
                }else{
                        $ss = $_SESSION['mysession_id'];
                }
                
                setcookie('mysession_id',$ss, time()+(86400*30));
                return $ss;
                
        }

        function admin($session_id,$user_id,$username){
                
                
                if(isset($_COOKIE['session_id'])){
                        $session_id = $_COOKIE['session_id'];
                }
                
                // $sql = "SELECT * ";
                // $sql .= "FROM users, session_admin ";
                // $sql .= "WHERE users.user_id = session_admin.user_id ";
                // $sql .= "AND session_admin.session_id = '$session_id' ";
                // $sql .= "AND session_admin.logout = '0' ";

                $sql = "SELECT * ";
                $sql .= "FROM users, session_admin ";
                $sql .= "WHERE users.user_id = session_admin.user_id ";
                $sql .= "AND users.user_id = '$user_id' ";
                $sql .= "AND users.username = '$username' ";
                
                $query = $this->db->query($sql);
                $rs = $query->result();
                
                if(empty($rs[0]->user_id)){ 
                        header('location: '.base_url().'admin/login');
                        exit;
                }
                
                return $rs;
                
        }
        
        function admin_check($username, $password){
                
                // $query = $this->db->get_where('cms_user', array('email'=>$email, 'password'=> md5($password), 'user_active'=>1));

                $query = $this->db->get_where('users', array('username'=>$username, 'password'=> md5($password)));
                $rs = $query->row_array();
                if($rs){
                        return $rs;
                }else{
                        return false;
                }
        }
        
        function admin_logout($session_id){
                
                //clear session data
                $this->session->set_userdata(array(
                'session_id'=>'',
                'email' => '',
                'image' => '',
                'user_id' => '',
                'username' => ''
                ));

                //end clear session data



                $this->db->where('session_id',$session_id);
                $this->db->update('session_admin', array('logout'=>1));
                
        }
        
        function admin_insert($arr){
                
                $this->db->insert('session_admin',$arr);
                return $this->db->insert_id();
                
        }
        
        
        function admin_update($session_id, $arr){
                
                $this->db->where('session_id', $session_id);
                $this->db->update('session_admin', $arr);
                
        }
                
        function web($session_id)
        {
                
                $table = 'session_website';
                
                $sql = "CREATE TABLE IF NOT EXISTS `".$table."` ( \n";
                $sql .= "`id` int(11) NOT NULL AUTO_INCREMENT,\n";
                $sql .= "`session_id` varchar(32) COLLATE utf8_unicode_ci NOT NULL,\n";
                $sql .= "`member_id` int(11) NOT NULL,\n";
                $sql .= "`ipaddress` varchar(255) COLLATE utf8_unicode_ci NOT NULL,\n";
                $sql .= "`action` varchar(255) COLLATE utf8_unicode_ci NOT NULL,\n";
                $sql .= "`currency` varchar(2) COLLATE utf8_unicode_ci NOT NULL, \n";
                $sql .= "`login` int(11) NOT NULL,\n";
                $sql .= "`logout` int(11) NOT NULL,\n";
                $sql .= "`updated` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,\n";
                $sql .= "`entered` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',\n";
                $sql .= "PRIMARY KEY (`id`)\n";
                $sql .= ")";
                $this->db->query($sql);
                
                $sql = "SELECT * ";
                $sql .= "FROM cms_member, ".$table." ";
                $sql .= "WHERE cms_member.member_id = ".$table.".member_id ";
                $sql .= "AND ".$table.".session_id = '$session_id' ";
                $sql .= "AND ".$table.".logout = '0' ";
                
                $query = $this->db->query($sql);
                $rs = $query->result();
                
                if(!$rs){
                        header('location:'.base_url().'signin');
                        exit;
                }
                                
                return $rs;
        
        }

        function web_insert($arr)
        {
                $table = 'session_website_'.date('Y');
                $this->db->insert($table, $arr);
                return $this->db->insert_id();
        }

        function web_logout($session_id)
        {
                $table = 'session_website_'.date('Y');          
                $this->db->where('session_id', $session_id);
                $this->db->update($table, array('logout'=>1));
                
        }
        
        function web_track($session_id)
        {
                $table = 'session_website';             

                $sql = "SELECT * ";
                $sql .= "FROM ".$table." ";
                $sql .= "WHERE 1 ";
                $sql .= "AND session_id = '$session_id' ";
                $query = $this->db->query($sql);
                $rs = $query->result();
                if(isset($rs[0]->session_id)){
                        return $rs;             
                }else{
                        $property = $this->Property->get();
                        
                        $arr['session_id'] = $session_id;
                        $arr['currency'] = $property[0]->currency;
                        $arr['lang'] = $property[0]->lang;
                        $arr['ipaddress'] = $_SERVER['REMOTE_ADDR'];
                        $arr['entered'] = date('Y-m-d H:i:s');
                        $this->db->insert($table, $arr);

                        $sql = "SELECT * ";
                        $sql .= "FROM ".$table." ";
                        $sql .= "WHERE 1 ";
                        $sql .= "AND session_id = '$session_id' ";
                        $query = $this->db->query($sql);
                        $rs = $query->result();
                        return $rs;
                }
        }
        
        function web_track_update($session_id, $arr)
        {
                
                $table = 'session_website';             
                $this->db->where('session_id', $session_id);
                $this->db->update($table, $arr);        
                
        }
        
        function web_track_delete($session_id){
                $table = 'session_website';             
                $this->db->where('session_id', $session_id);
                $this->db->delete($table);      
        }
        
        function get_count_web()
        {
                $table = 'session_website';             
                
                $sql = "SELECT COUNT(*) AS num ";       
                $sql .= "FROM $table ";
                $query = $this->db->query($sql);
                $rs = $query->result();
                
                return $rs[0]->num;
        }
                
}

?>