mirror of
https://gitlab.com/davical-project/davical.git
synced 2026-05-19 01:34:26 +00:00
83 lines
3.7 KiB
PHP
83 lines
3.7 KiB
PHP
<?php
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require_once("iCalendar.php");
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include_once("RRule.php");
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$start = date( "Ymd\THis", time() - (86400 * 30) );
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$finish = date( "Ymd\THis", time() + (86400 * 200) );
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if ( isset($request->by_email) ) {
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$where = "WHERE caldav_data.user_no = $request->user_no ";
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}
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else {
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$where = "WHERE caldav_data.user_no = $request->user_no AND caldav_data.dav_name ~ ".qpg("^".$request->path)." ";
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}
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$where .= "AND (dtend >= '$start'::timestamp with time zone OR calculate_later_timestamp('$start'::timestamp with time zone,dtend,rrule) >= '$start'::timestamp with time zone) ";
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$where .= "AND dtstart <= '$finish'::timestamp with time zone ";
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$where .= "AND caldav_data.caldav_type IN ( 'VEVENT', 'VFREEBUSY' ) ";
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$where .= "AND (calendar_item.transp != 'TRANSPARENT' OR calendar_item.transp IS NULL) ";
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// $where .= "AND (calendar_item.status != 'CANCELLED' OR calendar_item.status IS NULL) ";
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$where .= "AND (calendar_item.class != 'PRIVATE' OR calendar_item.class IS NULL OR get_permissions($session->user_no,caldav_data.user_no) ~ 'A') "; // Must have 'all' permissions to see confidential items
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$busy = array();
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$busy_tentative = array();
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$sql = "SELECT caldav_data.caldav_data, calendar_item.rrule, ";
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$sql .= "to_char(calendar_item.dtstart at time zone 'GMT',".iCalendar::SqlDateFormat().") AS start, ";
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$sql .= "to_char(calendar_item.dtend at time zone 'GMT',".iCalendar::SqlDateFormat().") AS finish ";
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$sql .= "FROM caldav_data INNER JOIN calendar_item USING(user_no, dav_name) $where ORDER BY dtstart, dtend";
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// echo $sql. "\n";
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$qry = new PgQuery( $sql );
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if ( $qry->Exec("freebusy",__LINE__,__FILE__) && $qry->rows > 0 ) {
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while( $calendar_object = $qry->Fetch() ) {
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if ( ! preg_match( '/^TRANSP.*TRANSPARENT/im', $calendar_object->caldav_data ) ) {
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if ( preg_match( '/^STATUS.*:.*TENTATIVE/im', $calendar_object->caldav_data ) ) {
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dbg_error_log( "freebusy", " FreeBusy: tentative appointment: %s, %s", $calendar_object->start, $calendar_object->finish );
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$busy_tentative[] = $calendar_object;
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}
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else if ( ! preg_match( '/STATUS.*:.*CANCELLED/m', $calendar_object->caldav_data ) ) {
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dbg_error_log( "freebusy", " FreeBusy: Not transparent, tentative or cancelled: %s, %s", $calendar_object->start, $calendar_object->finish );
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$busy[] = $calendar_object;
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}
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}
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}
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}
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$freebusy = iCalendar::iCalHeader();
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$freebusy .= sprintf("BEGIN:VFREEBUSY\nDTSTAMP:%s\nDTSTART:%s\nDTEND:%s\n", date('Ymd\THis\Z'), $start, $finish);
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foreach( $busy_tentative AS $k => $v ) {
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$start = new iCalDate($v->start);
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$duration = $start->DateDifference($v->finish);
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if ( $v->rrule != "" ) {
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$rrule = new RRule( $start, $v->rrule );
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while ( $date = $rrule->GetNext() ) {
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if ( ! $date->GreaterThan($start) ) continue;
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if ( $date->GreaterThan($finish) ) break;
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$freebusy .= sprintf("FREEBUSY;FBTYPE=BUSY-TENTATIVE:%s/%s\n", $date->Render('Ymd\THis'), $duration );
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}
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}
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else {
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$freebusy .= sprintf("FREEBUSY;FBTYPE=BUSY-TENTATIVE:%s/%s\n", $start->Render('Ymd\THis'), $duration );
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}
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}
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foreach( $busy AS $k => $v ) {
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$start = new iCalDate($v->start);
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$duration = $start->DateDifference($v->finish);
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if ( $v->rrule != "" ) {
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$rrule = new RRule( $start, $v->rrule );
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while ( $date = $rrule->GetNext() ) {
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if ( ! $date->GreaterThan($start) ) continue;
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if ( $date->GreaterThan($finish) ) break;
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$freebusy .= sprintf("FREEBUSY:%s/%s\n", $date->Render('Ymd\THis'), $duration );
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}
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}
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else {
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$freebusy .= sprintf("FREEBUSY:%s/%s\n", $start->Render('Ymd\THis'), $duration );
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}
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}
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$freebusy .= "END:VFREEBUSY\n";
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$freebusy .= iCalendar::iCalFooter();
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$request->DoResponse( 200, $freebusy, 'text/calendar' );
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// Won't return from that
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?>
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