<?php

class UsersModel
{
    function __construct($db) {
		$this->db = $db;
    }

    public function getUser($id)
    {
		$id = $this->db->strip($id);
		$user = $this->db->select("* FROM users WHERE id=".$id, 'firstrow');

		return $user;
    }

	public function authenticateUser($username,$password)
	{
		$ds = ldap_connect(LDAP_HOST, LDAP_PORT) or die("Could not connect to DS");
		ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
		$r = ldap_bind($ds,LDAP_USER,LDAP_PASS) or die("Could not connect to DS");		
		$baseDn = LDAP_DN;

		$filter = "(uid=".$_POST["username"].")";
		$sr = ldap_search($ds, $baseDn, $filter);
		$info = ldap_get_entries($ds, $sr);

		$ldapbind = @ldap_bind($ds,$info[0]["dn"],$_POST["password"]);		
		
		if ($ldapbind != null) {
			$_SESSION["username"] = $_POST["username"];

			if ($info[0]["cn;lang-el"][0]!="")
				$_SESSION["fullname"] = $info[0]["cn;lang-el"][0];
			else
				$_SESSION["fullname"] = $info[0]["cn"][0];
						
			

			if (in_array("student", $info[0]["edupersonaffiliation"])) 
				$_SESSION["idiotita"] = "Σπουδαστής";
			if (in_array("employee", $info[0]["edupersonaffiliation"])) 
				$_SESSION["idiotita"] = "Συνεργάτης";
			if (in_array("staff", $info[0]["edupersonaffiliation"])) 
				$_SESSION["idiotita"] = "Διοικητικός Υπάλληλος";
			if (in_array("faculty", $info[0]["edupersonaffiliation"])) 
				$_SESSION["idiotita"] = "Εκπαιδευτικό Προσωπικό";



			/*
			if ($info[0]["edupersonaffiliation"][0]=="student") {
				$_SESSION["idiotita"] = "Σπουδαστής";				
			} else if ($info[0]["edupersonaffiliation"][0]=="staff")
				$_SESSION["idiotita"] = "Διοικητικός Υπάλληλος";
			else if ($info[0]["edupersonaffiliation"][0]=="faculty")
				$_SESSION["idiotita"] = "Εκπαιδευτικό Προσωπικό";
			else if ($info[0]["edupersonaffiliation"][0]=="employee")
				$_SESSION["idiotita"] = "Συνεργάτης";
			*/

			if (!empty($info[0]["postaladdress"][0]))
				$_SESSION["email"] = $_SESSION["username"]."@ihu.gr";
			else if (!empty($info[0]["mail"][0]))
				$_SESSION["email"] = $info[0]["mail"][0];
			else
				$_SESSION["email"] = "";
			
			if (!empty($info[0]["mobile"][0]))
				$_SESSION["mobile"] = $info[0]["mobile"][0];

			return true;
		} else {
			return false;
		}	
	}	
}
?>