EVOLUTION-NINJA

Edit File: Index.php

<?php
class Index extends CI_Controller {

public function __construct()
{
parent::__construct();  
$this->load->model('yarn_model');
// $this->load->model('vendor_model');
$this->load->library('form_validation');
$this->load->database();
  $this->load->library('session');
}

public function defaultpage()
{
    if ($this->input->post('submitlogin')) {
		$this->form_validation->set_rules('username', 'Username', 'required|callback_check_database');
        $this->form_validation->set_rules('password', 'Password', 'trim|required');

if ($this->form_validation->run() == FALSE) {
            $this->load->view('header');
            $this->load->view('default_page');
            $this->load->view('footer');
        } else {
            $this->session->set_flashdata('flash_message', '<div class="alert alert-success">
			<i class="fa fa-check-circle"></i><strong>Login Successful...</strong></div>');
			redirect('index/dashboard', 'refresh');

}
    } else {
        $this->load->view('header');
        $this->load->view('default_page');
        $this->load->view('footer');
    }
}

public function check_database()
{
    // Clear any previous login session
    $this->session->unset_userdata('logged_in');

// Validate credentials
    $username = $this->input->post('username');
    $password = md5($this->input->post('password'));

$result = $this->yarn_model->login($username, $password);

if ($result) {
        // Login success → set session
        foreach ($result as $row) {
            $sess_array = array(
                'userid'    => $row->id,
                'username'  => $row->username,
                'usertype'  => $row->user_type_id
            );
            $this->session->set_userdata('logged_in', $sess_array);

// Mark employee as online
            $table  = 'employee_details';
            $where  = array('id' => $row->id);
            $datad  = array('chat_online' => 'online');
            $this->yarn_model->update($table, $datad, $where);
        }
        return true;

} else {
        // Login failed → make sure session is clean
        $this->session->unset_userdata('logged_in');

$this->form_validation->set_message('check_database', 'Invalid Email or password.');
        return false;
    }
}

public function dashboard(){
    
    $this->load->view("dashboard");
}
}