class home
{
    private $contactModel;
    public function __construct()
    {
        $this->contactModel = new contact();
    }
    public function index()
    {
        $number_of_rows = sizeof($this->contactModel->getAll());
        $page_size = $this->contactModel->getPageSize();
        $size_of_page = ceil($number_of_rows / $page_size);
        $page = 1;
        if (isset($_GET['page'])) {
            if (!is_numeric($_GET['page']) || $_GET['page'] < 1 || $_GET['page'] > $size_of_page) {
                view('error.http.404');
            }
            $page = $_GET['page'];
        }
        $contacts = $this->contactModel->getAll($page);
        $data = [
            'contacts' => $contacts,
            'page' => $page,
            'size_of_page' => $size_of_page
        ];
        view('home.index', $data);
    }
}