Validation.class.php

<?php
require_once('..\classes.php');

    class Validation {
        var $nick;
        var $password1;
        var $password2;
        var $mail;
        var $response;

        function validateNick( $nick ) {
            $this -> nick   = $nick;
            $pattern        = '/^[a-zA-Z0-9]+(\.[a-zA-Z0-9]+)*$/';
            $dbPdo          = Helper::dbConnect();
            $dbQuery        = ' SELECT `Nick` FROM `Users`
                                WHERE `Nick` = :nick
                              ';

            $dbStmt = $dbPdo -> prepare($dbQuery);
            $dbStmt -> bindValue(':nick', $this -> nick, PDO::PARAM_STR);
            $dbStmt -> execute();
            if( $dbStmt -> rowCount() > 0 ) {
                $this -> response[0] = false;
                $this -> response[1] = 'Nick \''.$this -> nick.'\' już istanieje w systemie.';

            }
            else {
                if( preg_match($pattern, $this -> nick ) > 0 && strlen( $this -> nick ) >= 3 ) {

                    $this -> response[0] = true;
                }
                else {
                    $this -> response[0] = false;
                    $this -> response[1] = 'Twój nick jest za krótki lub zawiera niedozwolone znaki.';
                }
            }
            $dbStmt -> closeCursor();
            unset($dbStmt);

            return $this->response;
        }

        function validateMail( $mail ) {
            $this -> mail   = $mail;
            $pattern        = '/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]{1,})*\.([a-zA-Z]{2,}){1}$/';
            $dbPdo          = Helper::dbConnect();
            $dbQuery        = ' SELECT `Mail` FROM `Users`
                                WHERE `Mail` = :mail
                              ';

            $dbStmt = $dbPdo -> prepare($dbQuery);
            $dbStmt -> bindValue(':mail', $this -> mail, PDO::PARAM_STR);
            $dbStmt -> execute();
            if( $dbStmt -> rowCount() > 0 ) {
                $this -> response[0] = false;
                $this -> response[1] = 'Adres e-mail \''.$this -> mail.'\' już istnieje w systemie.';
            }
            else {
                if( preg_match($pattern, $this -> mail ) > 0 ) {
                    $this -> response[0] = true;
                }
                else {
                    $this -> response[0] = false;
                    $this -> response[1] = 'Podany adres e-mail jest niepoprawny.';
                }
            }
            $dbStmt -> closeCursor();
            unset($dbStmt);

            return $this->response;
        }

        function validatePassword( $password1, $password2 ) {
            $this -> password1 = $password1;
            $this -> password2 = $password2;
            if( $password1 === $password2 ) {
                $this -> response[0] = true;
            }
            else {
                $this -> response[0] = false;
                $this -> response[1] = 'Hasła różnią się od siebie.';
            }

            return $this->response;
        }
    }
?>