User

<?php

/**
 * Created by PhpStorm.
 * User: SUNNY
 * Date: 30. 9. 2016
 * Time: 23:05
 */

class User
{

    public function __construct()
    {
        // TBA
    }

    public function register($email, $fname, $lname, $pass)
    {
        $hpass = password_hash($pass, PASSWORD_DEFAULT);
        $this->checkIdentifiers($email);
        $this->checkIdentifiers($fname);
        $this->checkIdentifiers($lname);
        // Tu sa este skontroluje, ci sa email nenachadza v DB, ak nie tak .
             // INSERT INTO users (email, first_name, last_name, password) VALUES (?, ?, ?, ?));
    }

    public function login($email, $pass)
    {
        // Tu vyberiem z DB heslo zo zadaneho emailu a skontrolujem, ci sedi nizsie
        $password = $pass;
        $hpassword = ''; // toto sa vyberie z DB
        password_verify($password, $hpassword);
        setcookie('username', $email, time() + (86400 * 30), '/');
    }

    public function logout()
    {
        if(isset($_COOKIE['username']))
            setcookie('username', '', time()-7000000, '/');
    }

    // Metóda zisťujúca, či je uživateľ príhlasený, ak áno vráti true
    public function isLogged()
    {
        if(isset($_COOKIE['username']))
            return true;
        return false;
    }

    // V prípade ak uživateľ bude prihlásený, tak ho presmerujeme na danú URL
    public function redirect($url)
    {
        header('Location:' . $url);
    }


    private function checkIdentifiers($identifiers)
    {
        foreach ($identifiers as $identifier)
        {
            if (!preg_match('/^[a-zA-Z0-9\_\-]+$/u', $identifier))
                throw new Exception('Dangerous identifier in SQL query');
        }
    }
}