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<?php
/**
* Interface form for placing/modifying/viewing a blackout
* This file will present a form for a user to
* make a new blackout or modify/delete an old one.
* It will also allow other users to view this blackout.
* @author Nick Korbel <lqqkout13@users.sourceforge.net>
* @version 02-22-04
* @package phpScheduleIt
*/
/**
* Template class
*/
include_once('lib/Template.class.php');
/**
* Reservation class
*/
include_once('lib/Blackout.class.php');
// Check that the admin is logged in
if (!Auth::isAdmin()) {
CmnFns::do_error_box('This section is only available to the administrator.<br />'
. '<a href="ctrlpnl.php">Back to My Control Panel</a>');
}
$t = new Template();
if (isset($_POST['submit']) && strstr($_SERVER['HTTP_REFERER'], $_SERVER['PHP_SELF'])) {
$t->set_title('Processing Blackout');
$t->printHTMLHeader();
$t->startMain();
process_blackout($_POST['fn']);
}
else {
$blackout_info = getBlackoutInfo();
$t->set_title($blackout_info['title']);
$t->printHTMLHeader();
$t->startMain();
present_blackout($blackout_info['resid']);
}
// End main table
$t->endMain();
// Print HTML footer
$t->printHTMLFooter();
/**
* Processes a reservation request (add/del/edit)
* @param string $fn function to perform
*/
function process_blackout($fn) {
$success = false;
if (isset($_POST['resid']))
$res = new Blackout($_POST['resid']);
else if (isset($_GET['resid']))
$res = new Blackout($_GET['resid']);
else {
$res = new Blackout();
if (isset($_POST['repeat_day'])) { // Check for reservation repeation
$res->is_repeat = true;
$repeat = get_repeat_dates($_POST['ts'], $_POST['repeat_day'], $_POST['duration']);
}
else
$repeat = array($_POST['ts']);
}
if ($fn == 'create')
$res->add_blackout($_POST['machid'], $_POST['starttime'], $_POST['endtime'], $repeat, $_POST['summary']);
else if ($fn == 'modify')
$res->mod_blackout($_POST['starttime'], $_POST['endtime'], isset($_POST['del']), isset($_POST['mod_recur']), $_POST['summary']);
else if ($fn == 'delete')
$res->del_blackout(isset($_POST['mod_recur']));
}
/**
* Prints out reservation info depending on what parameters
* were passed in through the query string
* @param none
*/
function present_blackout($blackoutid) {
// Get info about this reservation
$blackout = new Blackout($blackoutid);
$blackout->print_res();
}
/**
* Return array of data from query string about this reservation
* or about a new reservation being created
* @param none
*/
function getBlackoutInfo() {
$blackout_info = array();
// Determine title and set needed variables
$blackout_info['type'] = $_GET['type'];
switch($blackout_info['type']) {
case 'r' :
$blackout_info['title'] = 'New Blackout';
$blackout_info['resid'] = null;
break;
case 'm' :
$blackout_info['title'] = 'Modify Blackout';
$blackout_info['resid'] = $_GET['resid'];
break;
case 'd' :
$blackout_info['title'] = 'Delete Blackout';
$blackout_info['resid'] = $_GET['resid'];
break;
}
return $blackout_info;
}
/**
* Returns an array of all timestamps for repeat reservations
* @param int $res_date initial reservation date
* @param array $days_to_repeat days of week to repeat reservation
* @param int $duration weeks to repeat reservation for
* @return array of timestamps of reservations
*/
function get_repeat_dates($blackout_date, $days_to_repeat, $duration) {
$day_of_week = date('w', $blackout_date); // Day of week for initial reservation
$blackout_dates = array($blackout_date);
$date_vals = getdate($blackout_date);
// Repeat for all weeks
$additional_days = 0;
for ($repeat_week = 0; $repeat_week < $duration; $repeat_week++) { // Repeat for duration
for ($i = 0; $i < count($days_to_repeat); $i++) { // Repeat for all days selected
$days_between = ($days_to_repeat[$i] - $day_of_week) + $additional_days;
// If the day of week is less than reservation day of week, move ahead one week
if ($days_to_repeat[$i] <= $day_of_week) {
$days_between += 7;
}
$blackout_date = mktime(0,0,0, $date_vals['mon'], $date_vals['mday'] + $days_between);
array_push($blackout_dates, $blackout_date);
}
$additional_days += 7; // Move ahead one week
}
return $blackout_dates;
}
?>