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<?php
/**
* ReservationHelper class provides helper functions for reservation creation/parsing/etc
* @author Nick Korbel <lqqkout13@users.sourceforge.net>
* @version 02-02-06
* @package phpScheduleIt
*
* Copyright (C) 2003 - 2007 phpScheduleIt
* License: GPL, see LICENSE
*/
class ReservationHelper
{
function ReservationHelper() { }
/**
* Returns all the users who should be removed
* @param array $orig the POST-ed array of users who were originally on the reservation
* @param array $invited the POST-ed array of users in the invited list
* @return array hashtable with memberid as the key and the email address as the value
*/
function getRowsForInvitation($orig, $invited) {
$to_invite = array();
if ( is_null($orig) || empty($orig) ){ // If there are no original users, all users should be invited
$invited_array = $invited;
}
else {
$invited_array = array_diff($invited, $orig);
}
foreach($invited_array as $idx => $val) {
$invited_parts = explode('|', $val);
$to_invite[$invited_parts[0]] = $invited_parts[1];
}
return $to_invite;
}
/**
* Returns all the users who should be removed
* @param array $orig the POST-ed array of users who were originally on the reservation
* @param array $removed the POST-ed array of users in the removed list
* @param array $invited the POST-ed array of users in the invited list
* @return array hashtable with memberid as the key and the email address as the value
*/
function getRowsForRemoval($orig, $removed, $invited) {
$to_remove = array();
for ($i = 0; $i < count($removed); $i++) {
// All users in the explicit removed list should be added
$removed_parts = explode('|', $removed[$i]);
$to_remove[$removed_parts[0]] = $removed_parts[1];
}
if ( !is_null($orig) && !empty($orig) ) { // If there are no original users, then there are none to uninvite
// If the user was in the original list but it now not in the invited list, remove them
$removed_array = array_diff($orig, $invited);
foreach($removed_array as $idx => $val) {
$removed_parts = explode('|', $val);
$to_remove[$removed_parts[0]] = $removed_parts[1];
}
}
return $to_remove;
}
/**
* Returns all the users who have no status change at all
* @param array $orig the POST-ed array of users who were originally on the reservation
* @param array $invited the POST-ed array of users in the invited list
* @param array $participating the POST-ed array of users in the participating list
* @return array hashtable with memberid as the key and the email address as the value
*/
function getUnchangedUsers($orig, $invited, $participating) {
$unchanged = array();
foreach($participating as $idx => $val) {
$parts = explode('|', $val);
$unchanged[$parts[0]] = $parts[1];
}
if (!is_null($orig) && !empty($orig) && !is_null($invited) && !empty($invited)) {
$common = array_intersect($orig, $invited);
foreach($common as $idx => $val) {
$parts = explode('|', $val);
$unchanged[$parts[0]] = $parts[1];
}
}
return $unchanged;
}
}
?>