mirror of
https://gitlab.com/davical-project/davical.git
synced 2026-04-30 16:00:25 +00:00
98 lines
3.9 KiB
PHP
98 lines
3.9 KiB
PHP
<?php
|
|
/**
|
|
* Handle the FREE-BUSY-QUERY variant of REPORT
|
|
*/
|
|
include_once("iCalendar.php");
|
|
include_once("RRule.php");
|
|
|
|
$fbq_content = $xmltree->GetContent('urn:ietf:params:xml:ns:caldav:free-busy-query');
|
|
$fbq_start = $fbq_content[0]->GetAttribute('start');
|
|
$fbq_end = $fbq_content[0]->GetAttribute('end');
|
|
|
|
if ( ! ( isset($fbq_start) || isset($fbq_end) ) ) {
|
|
$request->DoResponse( 400, 'All valid freebusy requests MUST contain a time-range filter' );
|
|
}
|
|
$where = " WHERE caldav_data.dav_name ~ ? ";
|
|
$where .= "AND rrule_event_overlaps( dtstart, dtend, rrule, ".qpg($fbq_start).", ".qpg($fbq_end)." ) ";
|
|
$where .= "AND caldav_data.caldav_type IN ( 'VEVENT', 'VFREEBUSY' ) ";
|
|
$where .= "AND (calendar_item.transp != 'TRANSPARENT' OR calendar_item.transp IS NULL) ";
|
|
$where .= "AND (calendar_item.status != 'CANCELLED' OR calendar_item.status IS NULL) ";
|
|
|
|
if ( ! $request->AllowedTo('all') ) {
|
|
$where .= "AND (calendar_item.class != 'PRIVATE' OR calendar_item.class IS NULL) ";
|
|
}
|
|
|
|
$busy = array();
|
|
$busy_tentative = array();
|
|
$sql = "SELECT caldav_data.caldav_data, calendar_item.rrule, calendar_item.transp, calendar_item.status, ";
|
|
$sql .= "to_char(calendar_item.dtstart at time zone 'GMT',".iCalendar::SqlDateFormat().") AS start, ";
|
|
$sql .= "to_char(calendar_item.dtend at time zone 'GMT',".iCalendar::SqlDateFormat().") AS finish ";
|
|
$sql .= "FROM caldav_data INNER JOIN calendar_item USING(dav_id,user_no,dav_name)".$where;
|
|
if ( isset($c->strict_result_ordering) && $c->strict_result_ordering ) $sql .= " ORDER BY dav_id";
|
|
$qry = new PgQuery( $sql, "^".$request->path.$request->DepthRegexTail() );
|
|
if ( $qry->Exec("REPORT",__LINE__,__FILE__) && $qry->rows > 0 ) {
|
|
while( $calendar_object = $qry->Fetch() ) {
|
|
if ( $calendar_object->transp != "TRANSPARENT" ) {
|
|
switch ( $calendar_object->status ) {
|
|
case "TENTATIVE":
|
|
dbg_error_log( "REPORT", " FreeBusy: tentative appointment: %s, %s", $calendar_object->start, $calendar_object->finish );
|
|
$busy_tentative[] = $calendar_object;
|
|
break;
|
|
|
|
case "CANCELLED":
|
|
// Cancelled events are ignored
|
|
break;
|
|
|
|
default:
|
|
dbg_error_log( "REPORT", " FreeBusy: Not transparent, tentative or cancelled: %s, %s", $calendar_object->start, $calendar_object->finish );
|
|
$busy[] = $calendar_object;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$freebusy = iCalendar::iCalHeader();
|
|
$freebusy .= sprintf("BEGIN:VFREEBUSY\nDTSTAMP:%s\nDTSTART:%s\nDTEND:%s\n", date('Ymd\THis\Z'), $fbq_start, $fbq_end);
|
|
|
|
foreach( $busy_tentative AS $k => $v ) {
|
|
$start = new iCalDate($v->start);
|
|
$duration = $start->DateDifference($v->finish);
|
|
if ( $v->rrule != "" ) {
|
|
$rrule = new RRule( $start, $v->rrule );
|
|
while ( $date = $rrule->GetNext() ) {
|
|
if ( ! $date->GreaterThan($fbq_start) ) continue;
|
|
if ( $date->GreaterThan($fbq_end) ) break;
|
|
$todate = clone($date);
|
|
$todate->AddDuration($duration);
|
|
$freebusy .= sprintf("FREEBUSY;FBTYPE=BUSY-TENTATIVE:%s/%s\n", $date->Render('Ymd\THis'), $todate->Render('Ymd\THis') );
|
|
}
|
|
}
|
|
else {
|
|
$freebusy .= sprintf("FREEBUSY;FBTYPE=BUSY-TENTATIVE:%s/%s\n", $start->Render('Ymd\THis'), $v->finish );
|
|
}
|
|
}
|
|
|
|
foreach( $busy AS $k => $v ) {
|
|
$start = new iCalDate($v->start);
|
|
$duration = $start->DateDifference($v->finish);
|
|
if ( $v->rrule != "" ) {
|
|
$rrule = new RRule( $start, $v->rrule );
|
|
while ( $date = $rrule->GetNext() ) {
|
|
if ( ! $date->GreaterThan($fbq_start) ) continue;
|
|
if ( $date->GreaterThan($fbq_end) ) break;
|
|
$todate = clone($date);
|
|
$todate->AddDuration($duration);
|
|
$freebusy .= sprintf("FREEBUSY:%s/%s\n", $date->Render('Ymd\THis'), $todate->Render('Ymd\THis') );
|
|
}
|
|
}
|
|
else {
|
|
$freebusy .= sprintf("FREEBUSY:%s/%s\n", $start->Render('Ymd\THis'), $v->finish );
|
|
}
|
|
}
|
|
|
|
$freebusy .= "END:VFREEBUSY\n";
|
|
$freebusy .= iCalendar::iCalFooter();
|
|
$request->DoResponse( 200, $freebusy, 'text/calendar' );
|
|
// Won't return from that
|
|
|