Customer Library

<?php

class Customer {

    protected $customer_id;

    public function __construct() {
        $this->ci =& get_instance();
        $this->ci->load->library('session');
        $this->ci->load->helper('string');

        if ($this->ci->session->userdata('customer_id')) {

            $this->ci->db->select('*');
            $this->ci->db->from($this->ci->db->dbprefix . 'customer');
            $this->ci->db->where('customer_id', $this->ci->session->userdata('customer_id'));
            $customer_query = $this->ci->db->get();

            if ($customer_query->num_rows()) {

                $this->customer_id = $customer_query->row()->customer_id;

            }

        } else {

            $this->autologin();
        }

    }

    public function postLogin() {
        if ($this->verifyPassword() == true) {

            $this->ci->db->select('*');
            $this->ci->db->from($this->ci->db->dbprefix . 'customer');
            $this->ci->db->where('username', $this->ci->input->post('username'));
            $customer_query = $this->ci->db->get();

            if ($customer_query->num_rows() > 0) {

                $data = array(
                    'customer_id' => $customer_query->row()->customer_id,
                    'is_logged_in' => true
                );

                $this->ci->session->set_userdata($data);

                if ($this->ci->input->post('remember')) {
                    $this->createAutologin($customer_query->row()->customer_id);
                }

                return true;

            } else {

                return false;
            }

        }
    }

    protected function verifyPassword() {
        $input = $this->ci->input->post('password');
        $hashed = $this->getPassword();

        if (password_verify($input, $hashed)) {
            return true;
        } else {
            return false;
        }
    }

    protected function getPassword() {
        $this->ci->db->select('*');
        $this->ci->db->from($this->ci->db->dbprefix . 'customer');
        $this->ci->db->where('username', $this->ci->input->post('username'));
        $customer_query = $this->ci->db->get();

        if ($customer_query->num_rows() > 0) {

            return $customer_query->row()->password;

        } else {

            return false;
        }
    }

    public function autologin() {
        var_dump($this->readAutologin());
    }

    protected function createAutologin($customer_id) {
        $token = random_string('alnum', 32);

        $data = array(
            'token' => $token
        );

        $this->ci->db->where('customer_id', $customer_id);
        $customer_update = $this->ci->db->update('customer', $data);

        if ($customer_update) {

            $data = array(
                'customer_id' => $customer_id,
                'token' => $token,
                'time' => time()
            );

            $customer_autologin_insert = $this->ci->db->insert('customer_autologin', $data);

            if ($customer_autologin_insert) {

                setcookie('remember', $token, $this->ci->config->item('start_cookie_time'), '/', '.localhost', false, true);
            }
        }

    }

    protected function readAutologin() {
        $this->ci->db->select('*');
        $this->ci->db->from($this->ci->db->dbprefix . 'customer_autologin');
        $this->ci->db->where('customer_id', $this->customer_id);
        $customer_autoload_query = $this->ci->db->get();

        if ($customer_autoload_query->num_rows() > 0) {
            return $customer_autoload_query->row_array();
        } else {
            return false;
        }
    }
}