user.php

<?php

require_once(dirname(__FILE__) . '/is_email.php');
class User
{
	private $email;
	private $forename;
	private $surname;
	private $studentNumber;
	private $username;
	
	function setName($first, $last)
	{
		$this -> forename = $this -> tidy($first);
		$this -> surname = $this -> tidy($last);
		
		if (!$this -> username)
		{
		    $this -> generateUsername();
		}
	}
	
	function setStudentNumber($number)
	{
		$this -> studentNumber = $this -> tidy($number);
	}
	
	function setEmail($email)
	{
		$this -> email = $email;
	}
	
	function firstName()
	{
		return $this -> forename;
	}
	
	function lastName()
	{
		return $this -> surname;
	}
	
	function email()
	{
		return $this -> email;
	}
	
	function studentNumber()
	{
		return $this -> studentNumber;
	}
	
	function username()
	{
	    return $this -> username;
	}
	
	function validate()
	{
		$errors = array();
		
		if ($this -> studentNumber)
		{
    		$errors = array_merge($errors, $this -> validateStudentNumber());
		}
		$errors = array_merge($errors, $this -> validateFirstName());
		$errors = array_merge($errors, $this -> validateSurname());
		$errors = array_merge($errors, $this -> validateEmail());
		
		return $errors;
	}
	
	function validateStudentNumber()
	{
		$errors = array();
		if (!is_numeric($this -> studentNumber) 
			|| strlen($this -> studentNumber) != 9)
		{
			$errors[] = "Student number invalid";
		}
		
		return $errors;
	}
	
	function validateFirstName()
	{
		$errors = array();
		
		if (strlen($this -> forename) == 0)
		{
			$errors[] = "No first name entered";
		}
		
		return $errors;
	}
	
	function validateSurname()
	{	
		$errors = array();
			
		if (strlen($this -> surname) == 0)
		{
			$errors[] = "No last name entered";
		}
		
		return $errors;
	}
	
	function validateEmail()
	{		
		$errors = array();
		
		if (strlen($this -> email) == 0)
		{
			$errors[] = "No email address entered";
		}
		elseif (!is_email($this -> email))
		{
			$errors[] = "Invalid email address entered";
		}
		
		return $errors;
	}
	
	function generateUsername()
	{
	    $first = $this -> forename;
	    $last = $this -> surname;
        // remove whitespace from the first name
        $first = $this -> normalise($first);
        // then take the first initial
        $username = substr($first, 0, 1);
        // remove whitespace from the surname
        $last = $this -> normalise($last);
    
        // append the surname 
        $username = $username . $last;
    
        $this -> username = $username;
    }
    
    function normalise($name)
    {
        // remove whitespace
        $name = preg_replace( '/\s+/', '', $name);
        $name = strtolower($name);
        return $name;
    }
    
 	function tidy($string)
	{
		$string = trim($string);
		$string = mb_convert_case($string, MB_CASE_TITLE);
		
		return $string;
	}
	

    

}

?>