<?php
/**
* Class User
* Represents a user as per the users table in the database
*
* @author Rob Cherry, Jam Warehouse (Pty) Ltd, South Africa
* @date 20 January 2003
* @package lib.user
*/

class User {

    /** object primary key */
    var $iId;
    /** user's login name */
    var $sUserName;
    /** user's name (first and last) */
    var $sName;
    /** user's password */
    var $sPassword;
    /** user's maximum allowed file storage quota in bytes */
    var $iQuotaMax;
    /** user's current file storage quota in bytes */
    var $iQuotaCurrent;
    /** user's email address */
    var $sEmail;
    /** user's mobile phone number */
    var $sMobile;
    /** notify user by mail status */
    var $bEmailNotification;
    /** notify user via sms (mobile phone) status */
    var $bSmsNotification;
    /** user's ldap identification */
    var $sLdapDn;
    /** maxiumum concurrent sessions user may have */
    var $iMaxSessions;
    /** primary key of language preferred by user */
    var $iLanguageID;
    /** internal variable used to determine if the password has changed or not */
    var $bPasswordChanged;

    function User($sNewUserName, $sNewName, $sNewPassword, $iNewQuotaMax, $sNewEmail, $sNewMobile, $bNewEmailNotification, $bNewSmsNotification, $sNewLdapDn, $iNewMaxSessions, $iNewLanguageID) {
        //object not created in database yet
        $this->iId = -1;
        $this->sUserName = $sNewUserName;
        $this->sName = $sNewName;
        $this->sPassword = $sNewPassword;
        $this->iQuotaMax = $iNewQuotaMax;
        $this->sEmail = $sNewEmail;
        $this->sMobile = $sNewMobile;
        $this->bEmailNotification = $bNewEmailNotification;
        $this->bSmsNotification = $bNewSmsNotification;
        $this->sLdapDn = $sNewLdapDn;
        $this->iMaxSessions = $iNewMaxSessions;
        $this->iLanguageID = $iNewLanguageID;
        $this->bPasswordChanged = false;
    }

    /**
    * Get the object's primary key
    *
    * @return int object's primary key
    *
    */
    function getID() {
        return $this->iId;
    }

    /**
    * Get the user's login name
    *
    * @return String user's login name
    *
    */
    function getUserName() {
        return $this->sUserName;
    }

    /**
    * Set the user's login name
    *
    * @param  String  New user login name
    *
    */
    function setUserName($sNewValue) {
        $this->sUserName = $sNewValue;
    }

    /**
    * Set the user's password
    *
    * @param  String  New user password
    *
    */
    function setPassword($sNewValue) {
        $this->sPassword = $sNewValue;
        $this->bPasswordChanged = true;
    }

    /**
    * Get the user's maximum disk quota
    *
    * @return int user's maximum disk quota
    *
    */
    function getQuotaMax() {
        return $this->iQuotaMax;
    }

    /**
    * Set the user's maximum disk quota
    *
    * @param  int  User's maximum disk quota in bytes
    *
    */
    function setQuotaMax($iNewValue) {
        $this->iQuotaMax = $iNewValue;
    }
  /**
    * Set the user's name
    *
    * @param  String  User's email address
    *
    */
    function setName($sNewValue) {
        $this->sName = $sNewValue;
    }
/**
    * gets the user's name
    *
    * @param  String  User's email address
    *
    */
    function getName() {
        return $this->sName;
    }

    /**
    * Get the user's currrently used quota
    *
    * @return int user's currently used quota
    *
    */
    function getQuotaCurrent() {
        return $this->iQuotaCurrent;
    }

    /**
    * Get the user's email  address
    *
    * @return String user's email address
    *
    */
    function getEmail() {
        return $this->sEmail;
    }

    /**
    * Set the user's email address
    *
    * @param  String  User's email address
    *
    */
    function setEmail($sNewValue) {
        $this->sEmail = $sNewValue;
    }

    /**
    * Get the user's mobile phone number
    *
    * @return String user's mobile phone number 
    *
    */
    function getMobile() {
        return $this->sMobile;
    }

    /**
    * Set the user's mobile phone number
    *
    * @param  String  User's mobile phone number
    *
    */
    function setMobile($sNewValue) {
        $this->sMobile = $sNewValue;
    }

    /**
    * Get the user's email notification status
    *
    * @return boolean user's email notification status
    *
    */
    function getEmailNotification() {
        return $this->bEmailNotification;
    }

    /**
    * Set the user's email notification status
    *
    * @param  boolean  User's email notification status (notify by email)
    *
    */
    function setEmailNotification($bNewValue) {
        $this->bEmailNotification = $bNewValue;
    }

    /**
    * Get the user's SMS (mobile phone) notification status
    *
    * @return boolean SMS (mobile phone) notification status
    *
    */
    function getSmsNotification() {
        return $this->bSmsNotification;
    }

    /**
    * Set the user's SMS (mobile phone) notification status
    *
    * @param  boolean  User's SMS (mobile phone) notification status (notify by mobile phone)
    *
    */
    function setSmsNotification($bNewValue) {
        $this->bSmsNotification = $bNewValue;
    }

    /**
    * Get the user's LDAP distinguished name
    *
    * @return String user's LDAP distinguished name
    *
    */
    function getLdapDn() {
        return $this->sLdapDn;
    }

    /**
    * Set the user's LDAP distinguished name
    *
    * @param  String  User's LDAP distinguished name
    *
    */
    function setLdapDn($sNewValue) {
        $this->sLdapDn = $sNewValue;
    }

    /**
    * Get the user's maximum number of concurrent sessions
    *
    * @return int user's maximum number of concurrent sessions
    *
    */
    function getMaxSessions() {
        return $this->iMaxSessions;
    }

    /**
    * Set the user's maximum number of concurrent sessions
    *
    * @param  int  User's maximum number of concurrent sessions
    *
    */
    function setMaxSessions($iNewValue) {
        $this->iMaxSessions = $iNewValue;
    }

    /**
    * Get the primary key for the language preferred by the user
    *
    * @return int primary key of language preferred by user
    *
    */
    function getLanguageID() {
        return $this->iLanguageIDID;
    }

    /**
    * Set the primary key of the language preferred by the user
    *
    * @param  int  Primary key of language preferred by user
    *
    */
    function setLanguageID($iNewValue) {
        $this->iLanguageIDID = $iNewValue;
    }

    /**
    * Create the current object in the database
    *
    * @return boolean on successful store, false otherwise and set $_SESSION["errorMessage"]
    *
    */
    function create() {
        global $default, $lang_err_database, $lang_err_object_exists;
        //if the object hasn't been created
        if ($this->iId < 0) {
            //check to see if name exsits
            $sql = $default->db;
            $query = "SELECT username FROM ". $default->owl_users_table ." WHERE username = '" . $this->sUserName . "'";
            $sql->query($query);
            $rows = $sql->num_rows($sql);

            if ($rows > 0) {
                // duplicate username
                $_SESSION["errorMessage"] = "User::The username " . $this->sUserName . " is already in use!";
                return false;
            }
            else {
                $result = $sql->query("INSERT INTO " . $default->owl_users_table . " (username, name, password, quota_max, quota_current, email, mobile, email_notification, sms_notification, ldap_dn, max_sessions, language_id) " .
                                      "VALUES ('" . addslashes($this->sUserName) . "', '" . addslashes($this->sName) . "', '" . addslashes(md5($this->sPassword)) . "', $this->iQuotaMax, 0, '" . addslashes($this->sEmail) . "', '" . addslashes($this->sMobile) . "', " . ($this->bEmailNotification ? 1 : 0) . ", " . ($this->bSmsNotification ? 1 : 0) . ", '" . addslashes($this->sLdapDn) . "', $this->iMaxSessions, $this->iLanguageID)");
                if ($result) {
                    $this->iId = $sql->insert_id();
                    return  true;
                }
                $_SESSION["errorMessage"] = $lang_err_database;
                return false;
            }
        }
        $_SESSION["errorMessage"] = $lang_err_object_exists . "id = " . $this->iId . " table = $default->owl_users_table";
        return false;
    }

    /**
    * Update the values in the database table with the object's current values
    *
    * @return boolean true on successful update, false otherwise and set $_SESSION["errorMessage"]
    *
    */
    function update() {
        global $default, $lang_err_database, $lang_err_object_key;
        //only update if the object has been stored
         if ($this->iId < 0) {
            //check to see if name exsits
            $sql = $default->db;
            $query = "SELECT username FROM ". $default->owl_users_table ." WHERE username = '" . $this->sUserName . "'";
            $sql->query($query);
            $rows = $sql->num_rows($sql);

            if ($rows > 0) {
                // duplicate username
                $_SESSION["errorMessage"] = "User::The username " . $this->sUserName . " is already in use!";
                return false;
            }
            else {
            	$sql = $default->db;
            	$result = $sql->query("UPDATE " . $default->owl_users_table . " SET username = '" . addslashes($this->sUserName) . "', name = '" . addslashes($this->sName) . "', " . ($this->bPasswordChanged ? "password = '" . addslashes(md5($this->sPassword)) . "', " : " ") . " quota_max = $this->iQuotaMax, email = '" . addslashes($this->sEmail) . "', mobile = '" . addslashes($this->sMobile) . "', email_notification = " . ($this->bEmailNotification ? 1 : 0) . ", sms_notification = " . ($this->bSmsNotification ? 1 : 0) . ", ldap_dn = '" . addslashes($this->sLdapDn) . "', max_sessions = $this->iMaxSessions, language_id = $this->iLanguageID WHERE id = $this->iId");
            	if ($result) {
              	  return true;
            	}
            $_SESSION["errorMessage"] = $lang_err_database;
            return false;
        }
        }
        $_SESSION["errorMessage"] = $lang_err_object_key;
        return false;
    }

    /**
    * Delete the current object from the database
    *
    * @return boolean true on successful deletion, false otherwise and set $_SESSION["errorMessage"]
    *
    */
    function delete() {
        global $default, $lang_err_database, $lang_err_object_key;
        //only delete the object if it exists in the database
        if ($this->iId >= 0) {
            $sql = $default->db;
            $result = $sql->query("DELETE FROM $default->owl_users_table WHERE id = $this->iId");
            if ($result) {
                return true;
            }
            $_SESSION["errorMessage"] = $lang_err_database;
            return false;
        }
        $_SESSION["errorMessage"] = $lang_err_object_key;
        return false;
    }


	/**
	* Delete the current object from the database
	*
	* @return boolean true on successful deletion, false otherwise and set $_SESSION["errorMessage"]
	*
	*/
	function deleteFromSystem() {
		global $default, $lang_err_database, $lang_err_object_key;
		//only delete the object if it exists in the database
		if ($this->iId >= 0) {
			$sql = $default->db;
			$result = $sql->query("DELETE FROM $default->owl_users_groups_table WHERE user_id = $this->iId");
			if ($result) {
				return true;
			}
			$_SESSION["errorMessage"] = $lang_err_database;
			return false;
		}
		$_SESSION["errorMessage"] = $lang_err_object_key;
		return false;
	}
    /**
    * Static function.
    * Given a web_documents primary key it will create a 
    * User object and populate it with the 
    * corresponding database values
    *
    * @return User populated User object on successful query, false otherwise and set $_SESSION["errorMessage"]
    */
    function & get($iUserID) {
        global $default;
        $sql = $default->db;
        $result = $sql->query("SELECT * FROM $default->owl_users_table WHERE id = $iUserID");
        if ($result) {
            if ($sql->next_record()) {
                $oUser = & new User(stripslashes($sql->f("username")), stripslashes($sql->f("name")), stripslashes($sql->f("password")), $sql->f("quota_max"), stripslashes($sql->f("email")), stripslashes($sql->f("mobile")), $sql->f("email_notification"), $sql->f("sms_notification"), $sql->f("ldap_dn"), $sql->f("max_sessions"), $sql->f("language_id"));
                $oUser->iId = $iUserID;
                return $oUser;
            }
            $_SESSION["errorMessage"] = $lang_err_object_not_exist . "id = " . $iUserID . " table = $default->owl_users_table";
            return false;
        }
        $_SESSION["errorMessage"] = $lang_err_database;
        return false;
    }

    /**
    * Static function
    * Get a list of users
    *
    * @param  String  Where clause (not required)
    *
    * @return Array array of User objects, false otherwise and set $_SESSION["errorMessage"]
    */
    function getList($sWhereClause = null) {
        global $default, $lang_err_database;
        $aUserArray;
        settype($aUserArray, "array");
        $sql = $default->db;
        $result = $sql->query("SELECT * FROM " . $default->owl_users_table  . (isset($sWhereClause) ? " " . $sWhereClause : ""));
        if ($result) {
            $iCount = 0;
            while ($sql->next_record()) {
                $oUser = & User::get($sql->f("id"));
                $oUser->iQuotaCurrent = $sql->f("quota_current");
                $aUserArray[$iCount] = $oUser;
                $iCount++;
            }
            return $aUserArray;
        }
        $_SESSION["errorMessage"] = $lang_err_database;
        return false;
    }


    /**
     * Static function
     * Return the useID for the specified user
     *
     * @param int the id the user to lookup the unit for
     * @return int the unitID, false otherwise and $_SESSION["errorMessage"] set
     */
    function getUnitID($userID) {
        global $default, $lang_err_database;

        $sql = $default->db;
        $result = $sql->query("SELECT DISTINCT gul.unit_id FROM $default->owl_users_groups_table ugl " .
                              "INNER JOIN $default->owl_groups_units_table gul ON ugl.group_id = gul.group_id ".
                              "WHERE ugl.user_id=$userID");
        if ($result) {
            if ($sql->next_record()) {
                return $sql->f("unit_id");
            }
        }
        $_SESSION["errorMessage"] = $lang_err_database;
        return false;
    }

    /**
     * static function
     *
     * gets the id of a user using their username
     *
     * @param   string  The username for which we want its ID
     */
    function getUserID($sUsername) {
        global $default;

        $id = lookupID($default->owl_users_table, "username",  $sUsername);

        $this->iId = $id;
    }
}

/**
* Static function
*
* Creates a User object from an array
*
* @param  Array  Array of parameters.  Must match order of parameters in constructor
*
* @return User user object
*/
function & userCreateFromArray($aParameters) {
    $oUser = & new User($aParameters[0], $aParameters[1], $aParameters[2], $aParameters[3], $aParameters[4], $aParameters[5], $aParameters[6], $aParameters[7], $aParameters[8], $aParameters[9], $aParameters[10]);
    return $oUser;
}

?>