source: pro-violet-viettel/sourcecode/application/modules/collaborator/controllers/collaborator.php

<?php

if (!defined('BASEPATH'))
    exit('No direct script access allowed');

class Collaborator extends MX_Controller {

    const TOKENPW = 'violet';

    public function __construct() {
        parent::__construct();
        $this->load->helper('cookie');
                $this->load->helper('language');
                $this->lang->load('messages', 'message');
    }
        
        public function profile(){
                $collaborator_info = $this->session->userdata('collaboratorInfo');
        if ($collaborator_info) {
                        $data['collaborator_id'] = $collaborator_info['id'];
                        $data['username'] = $collaborator_info['login_name'];
                        $data['fullname'] = $collaborator_info['fullname'];
                        $this->load->view('collaborator/collaborator_profile', $data);
                }else{
                        $this->load->view('login');
                }
        }
        
        public function updateCollaborator(){
                $this->load->model('collaborator_model');
                $collaborator_info = $this->session->userdata('collaboratorInfo');
                $result['success'] = 0;
        if ($collaborator_info) {
                        
                        $collaborator_id = $collaborator_info['id'];
                        $login_name = $collaborator_info['login_name'];
                        $input = $this->input->post();
                        if (strlen($input['fullname']) == 0) {
                                $result['errors'][] = array("content"=>lang('_SBG_FULLNAME_REQUIRED_MSG'),"field"=>"fullname_err");
                        }
                        if (!isset($result['errors'])) {
                                $collaborator = array('full_name' => $input['fullname']);
                                $result['success'] = 1;
                                $result['data'] = $this->collaborator_model->updateCollaborator($collaborator_id, $collaborator);
                $collaboratorData = array('login_name' => $login_name, 'id' => $collaborator_id, 'fullname' => $input['fullname'], 'logined_in' => TRUE);
                $this->session->set_userdata('collaboratorInfo', $collaboratorData);
                        }
                        echo json_encode($result);
                }else{
                        $this->load->view('login');
                }
        }
        
        public function change_password(){
                $this->load->model('collaborator_model');
                $collaborator_info = $this->session->userdata('collaboratorInfo');
        if ($collaborator_info) {
                        $collaborator_id = (int)$collaborator_info['id'];
                        $input = $this->input->post();
            if (strlen($input['passwd']) == 0) {
                $result['errors']['passwd_old_err'] = lang('_SBG_PASSWORD_REQUIRED_MSG');
            }
                        
            if (strlen($input['passwd_new']) == 0) {
                $result['errors']['passwd_new_err'] = lang('_SBG_PASSWORD_REQUIRED_MSG');
            } else if (strcmp($input['passwd'], $input['passwd_new']) == 0) {
                $result['errors']['passwd_new_err'] = lang('_SBG_PASSWORD_DUPLICATE_MSG');
            }else
                        {
                                if (!preg_match('/^([0-9a-zA-Z]{6,65})*$/', $input['passwd_new']))
                                {
                                        $result['errors']['passwd_new_err'] = lang('_SBG_USER_PASSWORD_CHANGE_REQUIRED_MSG');
                                }
                        }
                        
            if ($input['passwd_new'] != $input['confirm_passwd_new']) {
                $result['errors']['confirm_passwd_new_err'] = lang('_SBG_PASSWORD_CONFIRM_MSG');
            }
                        $passwd = $input['passwd'];
                        $checkPass = $this->collaborator_model->checkPassCollaborator($collaborator_id, $passwd);
                        if ($checkPass == false){
                                 $result['errors']['passwd_old_err'] = lang('_SBG_OLD_PASSWORD_FAIL_MSG');
                        }
        
                        if (!isset($result['errors'])) {
                                $collaborator = array('passwd'=>md5($input['passwd_new']));
                                $check = $this->collaborator_model->updateCollaborator($collaborator_id, $collaborator);
                                if ($check){
                                        $result['success'] = 1;
                                }else{
                                        $result['success'] = 0;
                                }
                        }
                        echo json_encode($result);
                        
                }else{
                        $this->load->view('login');
                }
        }
}