Examples with Invite com.zimbra.cs.mailbox.calendar.Invite used on opensource projects

Example 71 with Invite

use of com.zimbra.cs.mailbox.calendar.Invite in project zm-mailbox by Zimbra.

the class ForwardCalendarItem method getSeriesFwdMsgs.

private static Pair<List<MimeMessage>, List<MimeMessage>> getSeriesFwdMsgs(OperationContext octxt, Account senderAcct, CalendarItem calItem, MimeMessage mmFwdWrapper) throws ServiceException {
    // Get plain and html texts entered by the forwarder.
    DescDetectVisitor visitor = new DescDetectVisitor();
    try {
        visitor.accept(mmFwdWrapper);
    } catch (MessagingException e) {
        throw ServiceException.FAILURE("Messaging Exception while retrieving description text", e);
    }
    MimeBodyPart plainDescPart = visitor.getPlainDescPart();
    MimeBodyPart htmlDescPart = visitor.getHtmlDescPart();
    try {
        List<MimeMessage> msgs = new ArrayList<MimeMessage>();
        List<MimeMessage> notifyMsgs = new ArrayList<MimeMessage>();
        long now = octxt != null ? octxt.getTimestamp() : System.currentTimeMillis();
        Invite[] invites = calItem.getInvites();
        // Get canceled instances in the future.  These will be included in the series part.
        List<Invite> cancels = new ArrayList<Invite>();
        for (Invite inv : invites) {
            if (inv.isCancel() && inv.hasRecurId() && inviteIsAfterTime(inv, now))
                cancels.add(inv);
        }
        // Make sure the series invite is the first one in the list.
        LinkedList<Invite> invOrderedList = new LinkedList<Invite>();
        for (Invite inv : invites) {
            // Ignore exceptions in the past.
            if (inv.hasRecurId() && !inviteIsAfterTime(inv, now))
                continue;
            if (!inv.isCancel()) {
                if (inv.isRecurrence())
                    invOrderedList.addFirst(inv);
                else
                    invOrderedList.addLast(inv);
            }
        }
        boolean didCancels = false;
        boolean firstInv = true;
        for (Invite inv : invOrderedList) {
            // Make the new iCalendar part.
            ZVCalendar cal = inv.newToICalendar(true);
            // For series invite, append the canceled instances.
            if (inv.isRecurrence() && !didCancels) {
                didCancels = true;
                for (Invite cancel : cancels) {
                    ZComponent cancelComp = cancel.newToVComponent(true, true);
                    cal.addComponent(cancelComp);
                }
            }
            MimeMessage mmInv = calItem.getSubpartMessage(inv.getMailItemId());
            Pair<MimeMessage, MimeMessage> fwdMsgPair = makeFwdMsg(senderAcct, inv, mmInv, cal, mmFwdWrapper, plainDescPart, htmlDescPart, firstInv);
            if (fwdMsgPair.getFirst() != null) {
                msgs.add(fwdMsgPair.getFirst());
            }
            if (fwdMsgPair.getSecond() != null) {
                notifyMsgs.add(fwdMsgPair.getSecond());
            }
            firstInv = false;
        }
        return new Pair<List<MimeMessage>, List<MimeMessage>>(msgs, notifyMsgs);
    } catch (IOException e) {
        throw ServiceException.FAILURE("error creating forward message", e);
    } catch (MessagingException e) {
        throw ServiceException.FAILURE("error creating forward message", e);
    }
}

Example 72 with Invite

use of com.zimbra.cs.mailbox.calendar.Invite in project zm-mailbox by Zimbra.

the class SendInviteReply method handle.

@Override
public Element handle(Element request, Map<String, Object> context) throws ServiceException {
    ZimbraSoapContext zsc = getZimbraSoapContext(context);
    Mailbox mbox = getRequestedMailbox(zsc);
    Account acct = getRequestedAccount(zsc);
    Account authAcct = getAuthenticatedAccount(zsc);
    boolean isAdmin = zsc.isUsingAdminPrivileges();
    OperationContext octxt = getOperationContext(zsc, context);
    boolean onBehalfOf = isOnBehalfOfRequest(zsc);
    ItemId iid = new ItemId(request.getAttribute(MailConstants.A_ID), zsc);
    int compNum = (int) request.getAttributeLong(MailConstants.A_CAL_COMPONENT_NUM);
    String verbStr = request.getAttribute(MailConstants.A_VERB);
    Verb verb = CalendarMailSender.parseVerb(verbStr);
    boolean isDecline = CalendarMailSender.VERB_DECLINE.equals(verb);
    boolean updateOrg = request.getAttributeBool(MailConstants.A_CAL_UPDATE_ORGANIZER, true);
    // Get the identity/persona being used in the reply.  It is set at the request level, but
    // let's also look for it in the <m> child element too, because that is the precedent in
    // the SendMsg request.  For SendInviteReply we have to insist it at request level because
    // <m> is an optional element.
    String identityId = request.getAttribute(MailConstants.A_IDENTITY_ID, null);
    if (identityId == null) {
        Element msgElem = request.getOptionalElement(MailConstants.E_MSG);
        if (msgElem != null)
            identityId = msgElem.getAttribute(MailConstants.A_IDENTITY_ID, null);
    }
    Element response = getResponseElement(zsc);
    boolean intendedForMe = true;
    Invite oldInv = null;
    int calItemId;
    int inviteMsgId;
    CalendarItem calItem = null;
    boolean wasInTrash = false;
    // calendar item (id="aaaa-nnnn") --- work in both cases
    if (iid.hasSubpart()) {
        // directly accepting the calendar item
        calItemId = iid.getId();
        inviteMsgId = iid.getSubpartId();
        calItem = safeGetCalendarItemById(mbox, octxt, iid.getId());
        if (calItem == null)
            throw MailServiceException.NO_SUCH_CALITEM(iid.toString(), "Could not find calendar item");
        oldInv = calItem.getInvite(inviteMsgId, compNum);
    } else {
        // accepting the message: go find the calendar item and then the invite
        inviteMsgId = iid.getId();
        Message msg = mbox.getMessageById(octxt, inviteMsgId);
        Message.CalendarItemInfo info = msg.getCalendarItemInfo(compNum);
        if (info == null)
            throw MailServiceException.NO_SUCH_CALITEM(iid.toString(), "Could not find calendar item");
        String intendedFor = msg.getCalendarIntendedFor();
        Account intendedAcct = null;
        if (intendedFor != null) {
            try {
                InternetAddress intendedForAddr = new JavaMailInternetAddress(intendedFor);
                intendedAcct = Provisioning.getInstance().get(AccountBy.name, intendedForAddr.getAddress());
            } catch (AddressException e) {
                throw ServiceException.INVALID_REQUEST("The intended account " + intendedFor + " is invalid", e);
            }
            if (intendedAcct == null) {
                throw ServiceException.INVALID_REQUEST("The intended account " + intendedFor + " was not found", null);
            }
            // Special case: intended account = me.
            if (intendedAcct.equals(mbox.getAccount()))
                intendedAcct = null;
            else
                intendedForMe = false;
        }
        if (intendedAcct != null) {
            // trace logging: let's just indicate we're replying to a remote appointment
            ZimbraLog.calendar.info("<SendInviteReply> (remote mbox) id=%s, verb=%s, notifyOrg=%s", new ItemIdFormatter(zsc).formatItemId(iid), verb.toString(), Boolean.toString(updateOrg));
            // Replying to a remote appointment
            calItem = null;
            calItemId = 0;
            ZMailbox zmbx = getRemoteZMailbox(octxt, authAcct, intendedAcct);
            // Try to add the appointment to remote mailbox.
            AddInviteResult addInviteResult = sendAddInvite(zmbx, octxt, msg);
            if (addInviteResult == null)
                throw MailServiceException.INVITE_OUT_OF_DATE(iid.toString());
            // Forward the reply request.
            remoteSendInviteReply(zmbx, request, addInviteResult);
        } else {
            // Replying to a local appointment
            if (info.getInvite() != null) {
                calItem = mbox.getCalendarItemByUid(octxt, info.getInvite().getUid());
                wasInTrash = calItem != null && calItem.inTrash();
                if (calItem != null && !wasInTrash) {
                    Invite newInv = info.getInvite();
                    // If appointment exists, check if our invite has been outdated.
                    Invite curr = calItem.getInvite(newInv.getRecurId());
                    if (curr != null && !newInv.isSameOrNewerVersion(curr))
                        throw MailServiceException.INVITE_OUT_OF_DATE(iid.toString());
                }
                Invite inv = info.getInvite().newCopy();
                Invite.setDefaultAlarm(inv, acct);
                inv.setMailItemId(inviteMsgId);
                // (TODO: Is it better to delete the existing appointment/instance when declining?)
                if (calItem != null || !isDecline) {
                    // Add the invite.  This will either create or update the appointment.
                    int folder;
                    boolean untrashing = wasInTrash && !isDecline;
                    if (calItem == null || untrashing) {
                        // If appointment/task doesn't exist, create in default folder.
                        // If it exists but is in Trash and is not a decline, move it out of Trash.
                        // If it's in trash and we're declining, leave it in trash.
                        folder = inv.isTodo() ? Mailbox.ID_FOLDER_TASKS : Mailbox.ID_FOLDER_CALENDAR;
                    } else {
                        folder = calItem.getFolderId();
                    }
                    ParsedMessage pm = new ParsedMessage(msg.getMimeMessage(false), false);
                    AddInviteData aid = mbox.addInvite(octxt, inv, folder, pm, false, untrashing, true);
                    if (aid == null)
                        throw ServiceException.FAILURE("Could not create/update calendar item", null);
                    calItemId = aid.calItemId;
                    // Refetch updated item.
                    calItem = safeGetCalendarItemById(mbox, octxt, aid.calItemId);
                    if (calItem == null)
                        throw ServiceException.FAILURE("Could not refetch created/updated calendar item", null);
                } else {
                    calItemId = 0;
                }
                oldInv = inv;
            } else if (info.calItemCreated()) {
                // legacy case (before we added Invite info to Message metadata)
                calItem = safeGetCalendarItemById(mbox, octxt, info.getCalendarItemId());
                if (calItem == null)
                    throw ServiceException.FAILURE("Missing invite data", null);
                // Must be for this mailbox
                calItemId = info.getCalendarItemId().getId();
                wasInTrash = calItem.inTrash();
                oldInv = calItem.getInvite(inviteMsgId, compNum);
            } else {
                throw ServiceException.FAILURE("Missing invite data", null);
            }
        }
    }
    if (intendedForMe) {
        if (oldInv == null)
            throw MailServiceException.INVITE_OUT_OF_DATE(iid.toString());
        if (calItem != null && (mbox.getEffectivePermissions(octxt, calItemId, MailItem.Type.UNKNOWN) & ACL.RIGHT_ACTION) == 0) {
            throw ServiceException.PERM_DENIED("You do not have ACTION rights for CalendarItem " + calItemId);
        }
        // check if invite organizer requested rsvp or not
        updateOrg = updateOrg && oldInv.getRsvp();
        // Don't allow creating/editing a private appointment on behalf of another user,
        // unless that other user is a calendar resource.
        boolean allowPrivateAccess = calItem != null ? calItem.allowPrivateAccess(authAcct, isAdmin) : true;
        boolean isCalendarResource = acct instanceof CalendarResource;
        if (!allowPrivateAccess && !oldInv.isPublic() && !isCalendarResource)
            throw ServiceException.PERM_DENIED("Cannot reply to a private appointment/task on behalf of another user");
        // see if there is a specific Exception being referenced by this reply...
        Element exc = request.getOptionalElement(MailConstants.E_CAL_EXCEPTION_ID);
        ParsedDateTime exceptDt = null;
        if (exc != null) {
            TimeZoneMap tzmap = oldInv.getTimeZoneMap();
            Element tzElem = request.getOptionalElement(MailConstants.E_CAL_TZ);
            ICalTimeZone tz = null;
            if (tzElem != null) {
                tz = CalendarUtils.parseTzElement(tzElem);
                tzmap.add(tz);
            }
            exceptDt = CalendarUtils.parseDateTime(exc, tzmap);
        } else if (oldInv.hasRecurId()) {
            exceptDt = oldInv.getRecurId().getDt();
        }
        // trace logging
        String calItemIdStr = calItem != null ? Integer.toString(calItem.getId()) : "none";
        String folderIdStr = calItem != null ? Integer.toString(calItem.getFolderId()) : "none";
        if (exceptDt == null)
            ZimbraLog.calendar.info("<SendInviteReply> id=%s, folderId=%s, verb=%s, notifyOrg=%s, subject=\"%s\", UID=%s", calItemIdStr, folderIdStr, verb.toString(), Boolean.toString(updateOrg), oldInv.isPublic() ? oldInv.getName() : "(private)", oldInv.getUid());
        else
            ZimbraLog.calendar.info("<SendInviteReply> id=%s, folderId=%s, verb=%s, notifyOrg=%s, subject=\"%s\", UID=%s, recurId=%s", calItemIdStr, folderIdStr, verb.toString(), Boolean.toString(updateOrg), oldInv.isPublic() ? oldInv.getName() : "(private)", oldInv.getUid(), exceptDt.getUtcString());
        // exception instance first.  Then reply to it.
        if (calItem != null && oldInv.isRecurrence() && exceptDt != null) {
            Invite localException = oldInv.makeInstanceInvite(exceptDt);
            long now = octxt != null ? octxt.getTimestamp() : System.currentTimeMillis();
            localException.setDtStamp(now);
            String partStat = verb.getXmlPartStat();
            localException.setPartStat(partStat);
            ZAttendee at = localException.getMatchingAttendee(acct, identityId);
            if (at != null)
                at.setPartStat(partStat);
            // Carry over the MimeMessage/ParsedMessage to preserve any attachments.
            MimeMessage mmInv = calItem.getSubpartMessage(oldInv.getMailItemId());
            ParsedMessage pm = mmInv != null ? new ParsedMessage(mmInv, false) : null;
            int folder;
            boolean untrashing = wasInTrash && !isDecline;
            if (untrashing) {
                // If it exists but is in Trash and is not a decline, move it out of Trash.
                // If it's in trash and we're declining, leave it in trash.
                folder = localException.isTodo() ? Mailbox.ID_FOLDER_TASKS : Mailbox.ID_FOLDER_CALENDAR;
            } else {
                folder = calItem.getFolderId();
            }
            mbox.addInvite(octxt, localException, folder, pm, true, untrashing, true);
            // Refetch the updated calendar item and set oldInv to refetched local exception instance.
            calItem = safeGetCalendarItemById(mbox, octxt, calItemId);
            if (calItem == null)
                throw MailServiceException.NO_SUCH_CALITEM(iid.toString(), "Could not find calendar item");
            oldInv = calItem.getInvite(new RecurId(exceptDt, RecurId.RANGE_NONE));
        }
        if (updateOrg && oldInv.hasOrganizer()) {
            Locale locale;
            Account organizer = oldInv.getOrganizerAccount();
            if (organizer != null)
                locale = organizer.getLocale();
            else
                locale = !onBehalfOf ? acct.getLocale() : authAcct.getLocale();
            String subject;
            if (!allowPrivateAccess && !oldInv.isPublic())
                subject = L10nUtil.getMessage(MsgKey.calendarSubjectWithheld, locale);
            else
                subject = oldInv.getName();
            String replySubject = CalendarMailSender.getReplySubject(verb, subject, locale);
            CalSendData csd = new CalSendData();
            csd.mOrigId = new ItemId(mbox, oldInv.getMailItemId());
            csd.mReplyType = MailSender.MSGTYPE_REPLY;
            csd.mInvite = CalendarMailSender.replyToInvite(acct, identityId, authAcct, onBehalfOf, allowPrivateAccess, oldInv, verb, replySubject, exceptDt);
            ZVCalendar iCal = csd.mInvite.newToICalendar(true);
            ParseMimeMessage.MimeMessageData parsedMessageData = new ParseMimeMessage.MimeMessageData();
            // did they specify a custom <m> message?  If so, then we don't have to build one...
            Element msgElem = request.getOptionalElement(MailConstants.E_MSG);
            if (msgElem != null) {
                String text = ParseMimeMessage.getTextPlainContent(msgElem);
                String html = ParseMimeMessage.getTextHtmlContent(msgElem);
                iCal.addDescription(text, html);
                MimeBodyPart[] mbps = new MimeBodyPart[1];
                mbps[0] = CalendarMailSender.makeICalIntoMimePart(iCal);
                // the <inv> element is *NOT* allowed -- we always build it manually
                // based on the params to the <SendInviteReply> and stick it in the
                // mbps (additionalParts) parameter...
                csd.mMm = ParseMimeMessage.parseMimeMsgSoap(zsc, octxt, mbox, msgElem, mbps, ParseMimeMessage.NO_INV_ALLOWED_PARSER, parsedMessageData);
            } else {
                // build a default "Accepted" response
                if (!(acct instanceof CalendarResource)) {
                    csd.mMm = CalendarMailSender.createDefaultReply(acct, identityId, authAcct, identityId, isAdmin, onBehalfOf, calItem, oldInv, null, replySubject, verb, null, iCal);
                } else {
                    // different template for calendar resources
                    RecurId rid = oldInv.getRecurId();
                    ParsedDateTime ridDt = rid != null ? rid.getDt() : null;
                    Invite replyInv = CalendarMailSender.replyToInvite(acct, authAcct, onBehalfOf, allowPrivateAccess, oldInv, verb, replySubject, ridDt);
                    MimeMessage mmInv = calItem.getSubpartMessage(oldInv.getMailItemId());
                    csd.mMm = CalendarMailSender.createResourceAutoReply(octxt, identityId, identityId, mbox, verb, false, null, calItem, oldInv, new Invite[] { replyInv }, mmInv, true);
                }
            }
            int apptFolderId;
            if (calItem != null)
                apptFolderId = calItem.getFolderId();
            else
                apptFolderId = oldInv.isTodo() ? Mailbox.ID_FOLDER_TASKS : Mailbox.ID_FOLDER_CALENDAR;
            MailSendQueue sendQueue = new MailSendQueue();
            try {
                sendCalendarMessage(zsc, octxt, apptFolderId, acct, mbox, csd, response, sendQueue);
            } finally {
                sendQueue.send();
            }
        }
        RecurId recurId = null;
        if (exceptDt != null) {
            recurId = new RecurId(exceptDt, RecurId.RANGE_NONE);
        }
        ZAttendee me = oldInv.getMatchingAttendee(acct);
        String cnStr = null;
        String addressStr = acct.getName();
        String role = IcalXmlStrMap.ROLE_OPT_PARTICIPANT;
        int seqNo = oldInv.getSeqNo();
        long dtStamp = oldInv.getDTStamp();
        if (me != null) {
            if (me.hasCn()) {
                cnStr = me.getCn();
            }
            addressStr = me.getAddress();
            if (me.hasRole()) {
                role = me.getRole();
            }
        }
        if (calItem != null)
            mbox.modifyPartStat(octxt, calItemId, recurId, cnStr, addressStr, null, role, verb.getXmlPartStat(), Boolean.FALSE, seqNo, dtStamp);
    }
    // move the invite to the Trash if the user wants it
    if (deleteInviteOnReply(acct)) {
        try {
            if (onBehalfOf) {
                // HACK: Run the move in the context of the organizer
                // mailbox because the authenticated account doesn't
                // have rights on Inbox and Trash folders.
                octxt = new OperationContext(mbox);
            }
            mbox.move(octxt, inviteMsgId, MailItem.Type.MESSAGE, Mailbox.ID_FOLDER_TRASH);
        } catch (MailServiceException.NoSuchItemException nsie) {
            ZimbraLog.calendar.debug("can't move nonexistent invite to Trash: " + inviteMsgId);
        }
    }
    return response;
}

Example 73 with Invite

use of com.zimbra.cs.mailbox.calendar.Invite in project zm-mailbox by Zimbra.

the class ToXML method alarmDataToJaxb.

public static AlarmDataInfo alarmDataToJaxb(CalendarItem calItem, AlarmData alarmData) {
    AlarmDataInfo alarm = new AlarmDataInfo();
    long nextAlarm = getNextAlarmTime(calItem);
    if (nextAlarm < Long.MAX_VALUE) {
        alarm.setNextAlarm(nextAlarm);
    }
    long alarmInstStart = alarmData.getNextInstanceStart();
    if (alarmInstStart != 0) {
        alarm.setAlarmInstanceStart(alarmInstStart);
    }
    int alarmInvId = alarmData.getInvId();
    int alarmCompNum = alarmData.getCompNum();
    Invite alarmInv = calItem.getInvite(alarmInvId, alarmCompNum);
    if (alarmInv != null) {
        // Some info on the meeting instance the reminder is for.
        // These allow the UI to display tooltip and issue a Get
        // call on the correct meeting instance.
        alarm.setName(alarmInv.getName());
        alarm.setLocation(alarmInv.getLocation());
        alarm.setInvId(alarmInvId);
        alarm.setComponentNum(alarmCompNum);
    }
    Alarm alarmObj = alarmData.getAlarm();
    if (alarmObj != null) {
        alarm.setAlarm(alarmObj.toJaxb());
    }
    return alarm;
}

Example 74 with Invite

use of com.zimbra.cs.mailbox.calendar.Invite in project zm-mailbox by Zimbra.

the class SetCalendarItem method getSetCalendarItemData.

static SetCalendarItemData getSetCalendarItemData(ZimbraSoapContext zsc, OperationContext octxt, Account acct, Mailbox mbox, Element e, ParseMimeMessage.InviteParser parser) throws ServiceException {
    String partStatStr = e.getAttribute(MailConstants.A_CAL_PARTSTAT, IcalXmlStrMap.PARTSTAT_NEEDS_ACTION);
    // <M>
    Element msgElem = e.getElement(MailConstants.E_MSG);
    // check to see whether the entire message has been uploaded under separate cover
    String attachmentId = msgElem.getAttribute(MailConstants.A_ATTACHMENT_ID, null);
    Element contentElement = msgElem.getOptionalElement(MailConstants.E_CONTENT);
    InviteParserResult ipr = null;
    MimeMessage mm = null;
    if (attachmentId != null) {
        ParseMimeMessage.MimeMessageData mimeData = new ParseMimeMessage.MimeMessageData();
        mm = SendMsg.parseUploadedMessage(zsc, attachmentId, mimeData);
    } else if (contentElement != null) {
        mm = ParseMimeMessage.importMsgSoap(msgElem);
    } else {
        CalSendData dat = handleMsgElement(zsc, octxt, msgElem, acct, mbox, parser);
        mm = dat.mMm;
        ipr = parser.getResult();
    }
    if (ipr == null && msgElem.getOptionalElement(MailConstants.E_INVITE) != null) {
        ipr = parser.parse(zsc, octxt, mbox.getAccount(), msgElem.getElement(MailConstants.E_INVITE));
        // in the <inv> but not in mime parts.
        if (ipr != null && ipr.mInvite != null && mm != null) {
            String desc = Invite.getDescription(mm, MimeConstants.CT_TEXT_PLAIN);
            String descHtml = Invite.getDescription(mm, MimeConstants.CT_TEXT_HTML);
            if ((desc != null && desc.length() > 0) || (descHtml != null && descHtml.length() > 0)) {
                ipr.mInvite.setDescription(desc, descHtml);
            }
        }
    }
    ParsedMessage pm = new ParsedMessage(mm, mbox.attachmentsIndexingEnabled());
    Invite inv = (ipr == null ? null : ipr.mInvite);
    if (inv == null || inv.getDTStamp() == -1) {
        //zdsync if -1 for 4.5 back compat
        CalendarPartInfo cpi = pm.getCalendarPartInfo();
        ZVCalendar cal = null;
        if (cpi != null && CalendarItem.isAcceptableInvite(mbox.getAccount(), cpi)) {
            cal = cpi.cal;
        }
        if (cal == null) {
            throw ServiceException.FAILURE("SetCalendarItem could not build an iCalendar object", null);
        }
        // not applicable in the SetCalendarItem case
        boolean sentByMe = false;
        Invite iCalInv = Invite.createFromCalendar(acct, pm.getFragment(acct.getLocale()), cal, sentByMe).get(0);
        if (inv == null) {
            inv = iCalInv;
        } else {
            //zdsync
            inv.setDtStamp(iCalInv.getDTStamp());
            //zdsync
            inv.setFragment(iCalInv.getFragment());
        }
    }
    inv.setPartStat(partStatStr);
    SetCalendarItemData sadata = new SetCalendarItemData();
    sadata.invite = inv;
    sadata.message = pm;
    return sadata;
}

Example 75 with Invite

use of com.zimbra.cs.mailbox.calendar.Invite in project zm-mailbox by Zimbra.

the class CalDavDataImport method applyRemoteItem.

private MailItem applyRemoteItem(RemoteItem remoteItem, Folder where) throws ServiceException, IOException {
    if (!(remoteItem instanceof RemoteCalendarItem)) {
        ZimbraLog.datasource.warn("applyRemoteItem: not a calendar item: %s", remoteItem);
        return null;
    }
    RemoteCalendarItem item = (RemoteCalendarItem) remoteItem;
    DataSource ds = getDataSource();
    DataSourceItem dsItem = DbDataSource.getReverseMapping(ds, item.href);
    OperationContext octxt = new OperationContext(mbox);
    MailItem mi = null;
    boolean isStale = false;
    boolean isCreate = false;
    if (dsItem.md == null && item.status != Status.deleted) {
        dsItem.md = new Metadata();
        dsItem.md.put(METADATA_KEY_TYPE, METADATA_TYPE_APPOINTMENT);
    }
    if (dsItem.itemId == 0) {
        isStale = true;
        isCreate = true;
    } else {
        String etag = dsItem.md.get(METADATA_KEY_ETAG, null);
        try {
            mi = mbox.getItemById(octxt, dsItem.itemId, MailItem.Type.UNKNOWN);
        } catch (MailServiceException.NoSuchItemException se) {
            ZimbraLog.datasource.warn("applyRemoteItem: calendar item not found: ", remoteItem);
        }
        if (item.etag == null) {
            ZimbraLog.datasource.warn("No Etag returned for item %s", item.href);
            isStale = true;
        } else if (etag == null) {
            ZimbraLog.datasource.warn("Empty etag for item %d", dsItem.itemId);
            isStale = true;
        } else {
            isStale = !item.etag.equals(etag);
        }
        if (mi == null)
            isStale = true;
    }
    if (item.status == Status.deleted) {
        ZimbraLog.datasource.debug("Deleting appointment %s", item.href);
        try {
            mi = mbox.getItemById(octxt, item.itemId, MailItem.Type.UNKNOWN);
        } catch (NoSuchItemException se) {
            mi = null;
        }
        try {
            mbox.delete(octxt, item.itemId, MailItem.Type.UNKNOWN);
        } catch (ServiceException se) {
            ZimbraLog.datasource.warn("Error deleting remotely deleted item %d (%s)", item.itemId, dsItem.remoteId);
        }
    } else if (isStale) {
        ZimbraLog.datasource.debug("Updating stale appointment %s", item.href);
        ZCalendar.ZVCalendar vcalendar;
        SetCalendarItemData main = new SetCalendarItemData();
        SetCalendarItemData[] exceptions = null;
        CalDavClient client = null;
        try {
            client = getClient();
        } catch (DavException e) {
            throw ServiceException.FAILURE("error creating CalDAV client", e);
        }
        Appointment appt = client.getCalendarData(new Appointment(item.href, item.etag));
        if (appt.data == null) {
            ZimbraLog.datasource.warn("No appointment found at " + item.href);
            return null;
        }
        dsItem.md.put(METADATA_KEY_ETAG, appt.etag);
        try {
            vcalendar = ZCalendar.ZCalendarBuilder.build(appt.data);
            List<Invite> invites = Invite.createFromCalendar(mbox.getAccount(), null, vcalendar, true);
            if (invites.size() > 1)
                exceptions = new SetCalendarItemData[invites.size() - 1];
            int pos = 0;
            boolean first = true;
            for (Invite i : invites) {
                if (first) {
                    main.invite = i;
                    first = false;
                } else {
                    SetCalendarItemData scid = new SetCalendarItemData();
                    scid.invite = i;
                    exceptions[pos++] = scid;
                }
            }
        } catch (Exception e) {
            ZimbraLog.datasource.warn("Error parsing appointment ", e);
            return null;
        }
        mi = mbox.setCalendarItem(octxt, where.getId(), 0, null, main, exceptions, null, CalendarItem.NEXT_ALARM_KEEP_CURRENT);
        dsItem.itemId = mi.getId();
        dsItem.folderId = mi.getFolderId();
        if (isCreate) {
            DbDataSource.addMapping(ds, dsItem);
        } else {
            DbDataSource.updateMapping(ds, dsItem);
        }
    } else {
        ZimbraLog.datasource.debug("Appointment up to date %s", item.href);
        try {
            mi = mbox.getItemById(octxt, dsItem.itemId, MailItem.Type.UNKNOWN);
        } catch (NoSuchItemException se) {
            // item not found.  delete the mapping so it can be downloaded again if needed.
            ArrayList<Integer> deletedIds = new ArrayList<Integer>();
            deletedIds.add(dsItem.itemId);
            DbDataSource.deleteMappings(ds, deletedIds);
        }
    }
    return mi;
}