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<?php
/**
* Functionality to send email reminders to users
* @author Nick Korbel <lqqkout13@users.sourceforge.net>
* @version 06-21-08
* @package phpScheduleIt
*
* Copyright (C) 2003 - 2007 phpScheduleIt
* License: GPL, see LICENSE
*/
$basedir = dirname(__FILE__) . '/..';
require_once($basedir . '/lib/db/ReminderDB.class.php');
class Reminder
{
var $db = null;
var $id = null;
var $memberid = null;
var $resid = null;
var $reminder_time = 0;
// Values needed for emails
var $start_time = 0;
var $end_time = 0;
var $start_date = 0;
var $end_date = 0;
var $resource_name = '';
var $location = '';
var $machid = '';
var $email = '';
var $lang = '';
var $timezone = 0;
// Values needed for reservation
var $minutes_prior = 0;
function Reminder($id = null) {
$this->id = $id;
}
/**
* Sets the database connection to use
* @param $db ReminderDB the initialized database connection
*/
function setDB(&$db) {
$this->db =& $db;
}
/**
* Gets an array of reminders populated with email values up to the given date
* @param int $max_date a properly formatted reminder time
* @return array list of Reminders with populated values needed for email notifications
*/
function getReminders($max_date) {
return $this->db->getReminders($max_date);
}
/**
* Delete a list of reminders from the database
* @param array $reminder_ids list of reminder ids to delete
*/
function deleteReminders($reminder_ids = array()) {
$this->db->deleteRecords(TBL_REMINDERS, 'reminderid', $reminder_ids);
}
/**
* Delete a reminder by reservation id and member id
* @param string $resid reservation id
* @param string $memeberid member id
*/
function deleteReminder($resid, $memberid) {
$this->db->delete($resid, $memberid);
}
/**
* Populates and saves a reminder with needed database values for a reminder this many minutes before the reservation
* @param Reservation $res the reservation that the reminder is for
* @param int $number_of_minutes the number of minutes before the reservation to send the reminder
*/
function save(&$res, $number_of_minutes) {
$this->resid = $res->id;
$this->memberid = $res->user->userid;
$this->reminder_time = $this->_calculateReminderTime($res->start_date, $res->start, $number_of_minutes);
$this->db->save($this);
}
/**
* Populates and updates a reminder with needed database values for a reminder this many minutes before the reservation
* @param Reservation $res the reservation that the reminder is for
* @param int $number_of_minutes the number of minutes before the reservation to send the reminder
*/
function update(&$res, $number_of_minutes) {
if ($number_of_minutes == 0) {
$this->deleteReminder($res->id, $res->user->userid);
}
$this->resid = $res->id;
$this->memberid = $res->user->userid;
$this->reminder_time = $this->_calculateReminderTime($res->start_date, $res->start, $number_of_minutes);
$this->db->update($this);
}
/**
* Gets the number of minutes prior to this reservation start date and time
* @param Reservation $res the reservation to calculate the time for
* @return returns the number of minutes prior to this reservation for this reminder
*/
function getMinutuesPrior(&$res) {
if ($this->reminder_time == 0) {
return 0;
}
$minutes = 0;
$date_part = getdate($res->start_date);
$res_datetime = mktime(($res->start/60), ($res->start%60), 0, $date_part['mon'], $date_part['mday'], $date_part['year']);
$year = substr($this->reminder_time, 0, 4);
$mon = substr($this->reminder_time, 4, 2);
$day = substr($this->reminder_time, 6, 2);
$hour = substr($this->reminder_time, 8, 2);
$min = substr($this->reminder_time, 10, 2);
$rem_datetime = mktime($hour, $min, 0, $mon, $day, $year);
return ($res_datetime - $this->toDateTime()) / 60;
}
/**
* Calcluates the reminder time on this start date and time
* @param int $start_date the reservation start date
* @param int $start_time the reservation start time
* @param int $number_of_minutes before this reservation to get reminder time for
* @return int the calculated reminder time
*/
function _calculateReminderTime($start_date, $start_time, $number_of_minutes) {
$date_part = getdate($start_date);
return date(REMINDER_DATE_FORMAT, mktime( ($start_time/60), (($start_time%60) - $number_of_minutes), 0, $date_part['mon'], $date_part['mday'], $date_part['year']));
}
/**
* Returns UNIX timestamp representation of this reminder
* @param none
* @return int UNIX timestamp representation of this reminder
*/
function toDateTime() {
$year = substr($this->reminder_time, 0, 4);
$mon = substr($this->reminder_time, 4, 2);
$day = substr($this->reminder_time, 6, 2);
$hour = substr($this->reminder_time, 8, 2);
$min = substr($this->reminder_time, 10, 2);
return mktime($hour, $min, 0, $mon, $day, $year);
}
/**
* Setter function for reminder_time
* @param mixed the reminder_time value
*/
function set_reminder_time($time) {
$this->reminder_time = empty($time) ? 0 : $time;
}
}
?>