Overview

Packages

  • awl
    • caldav-client-v2
    • RRule
  • davical
    • authentication
      • drivers
    • caldav
    • DAViCalSession
    • DAVTicket
    • external-bind
    • feed
    • HTTPAuthSession
    • iSchedule
    • iSchedule-POST
    • logging
    • metrics
    • Principal
    • propfind
    • PublicSession
    • Request
    • Resource
    • tzservice
  • None

Classes

  • AtomEntry
  • AtomFeed
  • AtomXHTMLContent
  • CalDAVClient
  • CalDAVRequest
  • CalendarInfo
  • CheckResult
  • DAViCalSession
  • DAVPrincipal
  • DAVResource
  • DAVTicket
  • FakeSession
  • HTTPAuthSession
  • imapPamDriver
  • iSchedule
  • ldapDriver
  • Principal
  • PublicSession
  • pwauthPamDriver
  • RepeatRule
  • RepeatRuleDateRange
  • RepeatRuleDateTime
  • RepeatRuleTimeZone
  • Rfc5545Duration
  • rimapPamDriver
  • setupFakeSession
  • squidPamDriver
  • Tools
  • VCard
  • VTimezone
  • WritableCollection

Functions

  • access_ticket_browser
  • add_failure
  • add_proxy_response
  • array_values_mapping
  • auth_functions_deprecated
  • AuthExternalAWL
  • binding_row_editor
  • bindings_to_other_browser
  • bindings_to_us_browser
  • bits_to_privilege
  • build_dependencies_table
  • build_privileges_html
  • build_site_statistics
  • BuildSqlFilter
  • caldav_get_feed
  • calquery_apply_filter
  • cardquery_apply_filter
  • catch_setup_errors
  • check_awl_version
  • check_calendar
  • check_curl
  • check_database_connection
  • check_datetime
  • check_davical_version
  • check_for_expansion
  • check_gettext
  • check_iconv
  • check_ldap
  • check_magic_quotes_gpc
  • check_magic_quotes_runtime
  • check_pdo
  • check_pdo_pgsql
  • check_pgsql
  • check_real_php
  • check_schema_version
  • check_string
  • check_suhosin_server_strip
  • check_xml
  • checkiSchedule
  • collection_privilege_format_function
  • component_to_xml
  • confirm_delete_bind_in
  • confirm_delete_binding
  • confirm_delete_collection
  • confirm_delete_principal
  • confirm_delete_ticket
  • ConstructURL
  • controlRequestContainer
  • create_external
  • CreateDefaultRelationships
  • CreateHomeCalendar
  • CreateHomeCollections
  • DateToISODate
  • DeconstructURL
  • delete_collection
  • deliverItipCancel
  • display_status
  • do_error
  • do_scheduling_for_delete
  • do_scheduling_reply
  • do_scheduling_requests
  • doImipMessage
  • doItipAttendeeReply
  • doItipOrganizerCancel
  • early_catch_fatal_error
  • early_exception_handler
  • edit_binding_row
  • edit_grant_row_collection
  • edit_grant_row_principal
  • edit_group_row
  • edit_ticket_row
  • errorResponse
  • expand_event_instances
  • expand_properties
  • expand_timezone_onsets
  • export_iCalendar
  • fetch_external
  • fix_unique_member
  • generateKeys
  • get_address_properties
  • get_collection_contents
  • get_freebusy
  • get_href_containers
  • get_phpinfo
  • getComponentRange
  • GetItip
  • getPrincipalByID
  • getStaticLdap
  • getStatusMessage
  • GetTZID
  • getUserByEMail
  • getUserByID
  • getUserByName
  • getVCalendarRange
  • grant_row_editor
  • group_members_browser
  • group_memberships_browser
  • group_row_editor
  • handle_cancel_request
  • handle_freebusy_request
  • handle_schedule_reply
  • handle_schedule_request
  • handle_subaction
  • hyperlink
  • i18n
  • IMAP_PAM_check
  • import_addressbook_collection
  • import_calendar_collection
  • import_collection
  • ischedule_cancel
  • ischedule_freebusy_request
  • ischedule_get
  • ischedule_request
  • ISODateToHTTPDate
  • late_catch_fatal_error
  • LDAP_check
  • local_session_sql
  • log_caldav_action
  • log_setup_error
  • logRequestHeaders
  • make_help_link
  • obfuscated_event
  • olson_from_vtimezone
  • principal_collection_browser
  • principal_editor
  • principal_grants_browser
  • principal_privilege_format_function
  • print_metric
  • privilege_to_bits
  • privileges_to_XML
  • process_ace
  • processItipCancel
  • property_response
  • public_events_only
  • PWAUTH_PAM_check
  • rdate_expand
  • RIMAP_check
  • rollback
  • rollback_on_error
  • rrule_expand
  • send_dav_header
  • send_page_header
  • simple_write_resource
  • SqlFilterCardDAV
  • SqlFilterFragment
  • SQUID_PAM_check
  • SRVFormat
  • SRVOk
  • sync_LDAP
  • sync_LDAP_groups
  • sync_user_from_LDAP
  • ticket_row_editor
  • unicodeToUtf8
  • update_external
  • UpdateCollectionTimezones
  • UpdateUserFromExternal
  • utf8ToUnicode
  • write_alarms
  • write_attendees
  • write_resource
  • Overview
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<?php

/**
 * Function to include which handles building a free/busy response to
 * be used in either the REPORT, response to a POST, or response to a
 * a freebusy GET request.
 */

include_once('vCalendar.php');
include_once('RRule.php');


function get_freebusy( $path_match, $range_start, $range_end, $bin_privs = null ) {
  global $request, $c;
  dbg_error_log( 'freebusy', ' Getting freebusy for path %s from %s to %s', $path_match, $range_start, $range_end);

  if ( !isset($bin_privs) ) $bin_privs = $request->Privileges();
  if ( !isset($range_start) || !isset($range_end) ) {
    $request->DoResponse( 400, 'All valid freebusy requests MUST contain a time-range filter' );
  }
  $params = array( ':path_match' => $path_match, ':start' => $range_start->UTC(), ':end' => $range_end->UTC() );
  $where = ' WHERE caldav_data.dav_name ~ :path_match ';
  $where .= 'AND rrule_event_overlaps( dtstart, dtend, rrule, :start, :end) ';
  $where .= "AND caldav_data.caldav_type IN ( 'VEVENT', 'VTODO' ) ";
  $where .= "AND (calendar_item.transp != 'TRANSPARENT' OR calendar_item.transp IS NULL) ";
  $where .= "AND (calendar_item.status != 'CANCELLED' OR calendar_item.status IS NULL) ";
  $where .= "AND collection.is_calendar AND collection.schedule_transp = 'opaque' ";

  if ( $bin_privs != privilege_to_bits('all') ) {
    $where .= "AND (calendar_item.class != 'PRIVATE' OR calendar_item.class IS NULL) ";
  }

  $fbtimes = 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',".AWLDatabase::SqlUTCFormat.') AS start, ';
  $sql .= "to_char(calendar_item.dtend at time zone 'GMT',".AWLDatabase::SqlUTCFormat.') AS finish, ';
  $sql .= "calendar_item.class, calendar_item.dav_id ";
  $sql .= 'FROM caldav_data INNER JOIN calendar_item USING(dav_id,user_no,dav_name,collection_id) ';
  $sql .= 'INNER JOIN collection USING(collection_id)';
  $sql .= $where;
  if ( isset($c->strict_result_ordering) && $c->strict_result_ordering ) $sql .= ' ORDER BY dav_id';
  $qry = new AwlQuery( $sql, $params );
  if ( $qry->Exec("REPORT",__LINE__,__FILE__) && $qry->rows() > 0 ) {
    while( $calendar_object = $qry->Fetch() ) {
      $extra = '';
      if ( $calendar_object->status == 'TENTATIVE' ) {
        $extra = ';BUSY-TENTATIVE';
      }
      else if ( isset($c->_workaround_client_freebusy_bug) && $c->_workaround_client_freebusy_bug ) {
        $extra = ';BUSY';
      }
      //$extra = ';'.$calendar_object->dav_id;
      $ics = new vComponent($calendar_object->caldav_data);
      $expanded = expand_event_instances($ics, $range_start, $range_end);
      $expansion = $expanded->GetComponents( array('VEVENT'=>true,'VTODO'=>true,'VJOURNAL'=>true) );
      dbg_error_log( "freebusy", "===================   $calendar_object->dav_id   ======================== %s -> %s, %s %s", $calendar_object->start, $calendar_object->finish, $calendar_object->class, $extra );
      $dtstart_type = 'DTSTART';
      foreach( $expansion AS $k => $v ) {
        dbg_error_log( "freebusy", " %s: %s", $k, $v->Render() );
        $start_date = $v->GetProperty($dtstart_type);
        if ( !isset($start_date) && $v->GetType() != 'VTODO' ) {
            $dtstart_type = 'DUE';
            $start_date = $v->GetProperty($dtstart_type);
        }
        $start_date = new RepeatRuleDateTime($start_date);
        $duration = $v->GetProperty('DURATION');
        $duration = ( !isset($duration) ? 'P1D' : $duration->Value());
        $end_date = clone($start_date);
        $end_date->modify( $duration );
        if ( $end_date == $start_date || $end_date < $range_start || $start_date > $range_end ) {
          dbg_error_log( "freebusy", "-----------------------------------------------------" );
          continue;
        }
        $thisfb = $start_date->UTC() .'/'. $end_date->UTC() . $extra;
        array_push( $fbtimes, $thisfb );
      }
    }
  }

  $freebusy = new vComponent();
  $freebusy->setType('VFREEBUSY');
  $freebusy->AddProperty('DTSTAMP', date('Ymd\THis\Z'));
  $freebusy->AddProperty('DTSTART', $range_start->UTC());
  $freebusy->AddProperty('DTEND', $range_end->UTC());

  sort( $fbtimes );
  foreach( $fbtimes AS $k => $v ) {
    $text = explode(';',$v,2);
    $freebusy->AddProperty( 'FREEBUSY', $text[0], (isset($text[1]) ? array('FBTYPE' => $text[1]) : null) );
  }

  return $freebusy;
}

DAViCal API documentation generated by ApiGen