Examples with EventPeriods org.bedework.calfacade.util.EventPeriods used on opensource projects

Example 1 with EventPeriods

use of org.bedework.calfacade.util.EventPeriods in project bw-calendar-engine by Bedework.

the class FreeAndBusyHandler method getFreeBusy.

/* (non-Javadoc)
   * @see org.bedework.calsvci.SchedulingI#getFreeBusy(java.util.Collection, org.bedework.calfacade.BwPrincipal, org.bedework.calfacade.BwDateTime, org.bedework.calfacade.BwDateTime, org.bedework.calfacade.BwOrganizer, java.lang.String)
   */
@Override
public BwEvent getFreeBusy(final Collection<BwCalendar> fbset, final BwPrincipal who, final BwDateTime start, final BwDateTime end, final BwOrganizer org, final String uid, final String exceptUid) throws CalFacadeException {
    CalendarsI colHandler = getSvc().getCalendarsHandler();
    Collection<BwCalendar> cals = null;
    if (fbset != null) {
        /* Don't check - we do so at the fetch of events
      getCal().checkAccess(cal, PrivilegeDefs.privReadFreeBusy, false);
      */
        cals = addToFreeBusySet(cals, fbset);
    } else if (getPrincipal().equals(who)) {
        cals = getFreebusySet();
    } else {
        /* CalDAV uses Inbox to determine scheduling acccess */
        try {
            getSpecialCalendar(who, BwCalendar.calTypeInbox, true, PrivilegeDefs.privReadFreeBusy);
        } catch (CalFacadeAccessException cae) {
            getSpecialCalendar(who, BwCalendar.calTypeInbox, true, PrivilegeDefs.privScheduleFreeBusy);
        }
        cals = addToFreeBusySet(cals, colHandler.getChildren(colHandler.getHome(who, true)));
    }
    if (cals == null) {
        throw new CalFacadeAccessException();
    }
    BwEvent fb = new BwEventObj();
    fb.setEntityType(IcalDefs.entityTypeFreeAndBusy);
    fb.setOwnerHref(who.getPrincipalRef());
    fb.setDtstart(start);
    fb.setDtend(end);
    fb.setEndType(StartEndComponent.endTypeDate);
    if (uid == null) {
        assignGuid(fb);
    } else {
        fb.setUid(uid);
    }
    fb.setDtstamps(getCurrentTimestamp());
    String uri = getSvc().getDirectories().principalToCaladdr(who);
    BwAttendee att = new BwAttendee();
    att.setAttendeeUri(uri);
    fb.addAttendee(att);
    fb.setOrganizer((BwOrganizer) org.clone());
    Collection<EventInfo> events = new TreeSet<EventInfo>();
    /* Only events and freebusy for freebusy reports. */
    FilterBase filter = new OrFilter();
    try {
        filter.addChild(EntityTypeFilter.makeEntityTypeFilter(null, "event", false));
        filter.addChild(EntityTypeFilter.makeEntityTypeFilter(null, "freeAndBusy", false));
    } catch (Throwable t) {
        throw new CalFacadeException(t);
    }
    String userHref = who.getPrincipalRef();
    for (BwCalendar c : cals) {
        if (!c.getAffectsFreeBusy()) {
            continue;
        }
        // XXX If it's an external subscription we probably just get free busy and
        // merge it in.
        RecurringRetrievalMode rrm = new RecurringRetrievalMode(Rmode.expanded, start, end);
        Collection<BwCalendar> cs = new ArrayList<BwCalendar>();
        cs.add(c);
        Collection<EventInfo> evs = getEvents(cs, filter, start, end, // retrieveList
        null, rrm, true);
        // Filter out transparent events
        for (EventInfo ei : evs) {
            BwEvent ev = ei.getEvent();
            if ((exceptUid != null) && exceptUid.equals(ev.getUid())) {
                continue;
            }
            if (!c.getIgnoreTransparency() && IcalDefs.transparencyTransparent.equals(ev.getPeruserTransparency(userHref))) {
                // Ignore this one.
                continue;
            }
            if (BwEvent.statusCancelled.equals(ev.getStatus())) {
                // Ignore this one.
                continue;
            }
            if (ev.getAttendeeSchedulingObject()) {
                att = ev.findAttendee(uri);
                if (att != null) {
                    int pstat = IcalDefs.checkPartstat(att.getPartstat());
                    if (pstat == IcalDefs.partstatDeclined) {
                        continue;
                    }
                    if (pstat == IcalDefs.partstatNeedsAction) {
                        continue;
                    }
                }
            }
            events.add(ei);
        }
    }
    try {
        EventPeriods eventPeriods = new EventPeriods(start, end);
        for (EventInfo ei : events) {
            BwEvent ev = ei.getEvent();
            int type;
            if (ev.getEntityType() == IcalDefs.entityTypeEvent) {
                if (BwEvent.statusCancelled.equals(ev.getStatus())) {
                    // Ignore this one.
                    continue;
                }
                type = BwFreeBusyComponent.typeBusy;
                if (ev.getAttendeeSchedulingObject()) {
                    att = ev.findAttendee(uri);
                    if (att != null) {
                        if (IcalDefs.checkPartstat(att.getPartstat()) == IcalDefs.partstatTentative) {
                            type = BwFreeBusyComponent.typeBusyTentative;
                        }
                    }
                }
                if (BwEvent.statusTentative.equals(ev.getStatus())) {
                    type = BwFreeBusyComponent.typeBusyTentative;
                } else if (BwEvent.statusUnavailable.equals(ev.getStatus())) {
                    type = BwFreeBusyComponent.typeBusyUnavailable;
                }
                eventPeriods.addPeriod(ev.getDtstart(), ev.getDtend(), type);
            } else if (ev.getEntityType() == IcalDefs.entityTypeFreeAndBusy) {
                Collection<BwFreeBusyComponent> fbcs = ev.getFreeBusyPeriods();
                for (BwFreeBusyComponent fbc : fbcs) {
                    type = fbc.getType();
                    for (Period p : fbc.getPeriods()) {
                        eventPeriods.addPeriod(p.getStart(), p.getEnd(), type);
                    }
                }
            }
        }
        /* iterate through the sorted periods combining them where they are
       adjacent or overlap */
        BwFreeBusyComponent fbc = eventPeriods.makeFreeBusyComponent(BwFreeBusyComponent.typeBusy);
        if (fbc != null) {
            fb.addFreeBusyPeriod(fbc);
        }
        fbc = eventPeriods.makeFreeBusyComponent(BwFreeBusyComponent.typeBusyUnavailable);
        if (fbc != null) {
            fb.addFreeBusyPeriod(fbc);
        }
        fbc = eventPeriods.makeFreeBusyComponent(BwFreeBusyComponent.typeBusyTentative);
        if (fbc != null) {
            fb.addFreeBusyPeriod(fbc);
        }
    } catch (Throwable t) {
        if (debug) {
            error(t);
        }
        throw new CalFacadeException(t);
    }
    return fb;
}