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tdepim/libkcal/scheduler.cpp

445 lines
13 KiB

/*
This file is part of libkcal.
Copyright (c) 2001,2004 Cornelius Schumacher <schumacher@kde.org>
Copyright (C) 2004 Reinhold Kainhofer <reinhold@kainhofer.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <klocale.h>
#include <kdebug.h>
#include <kmessagebox.h>
#include <kstandarddirs.h>
#include "event.h"
#include "todo.h"
#include "freebusy.h"
#include "icalformat.h"
#include "calendar.h"
#include "freebusycache.h"
#include "scheduler.h"
using namespace KCal;
ScheduleMessage::ScheduleMessage(IncidenceBase *incidence,int method,ScheduleMessage::Status status)
{
mIncidence = incidence;
mMethod = method;
mStatus = status;
}
QString ScheduleMessage::statusName(ScheduleMessage::Status status)
{
switch (status) {
case PublishUpdate:
return i18n("Updated Publish");
case PublishNew:
return i18n("Publish");
case Obsolete:
return i18n("Obsolete");
case RequestNew:
return i18n("New Request");
case RequestUpdate:
return i18n("Updated Request");
default:
return i18n("Unknown Status: %1").arg(QString::number(status));
}
}
struct Scheduler::Private
{
Private() : mFreeBusyCache( 0 ) {}
FreeBusyCache *mFreeBusyCache;
};
Scheduler::Scheduler(Calendar *calendar)
{
mCalendar = calendar;
mFormat = new ICalFormat();
mFormat->setTimeZone( calendar->timeZoneId(), !calendar->isLocalTime() );
d = new Private;
}
Scheduler::~Scheduler()
{
delete d;
delete mFormat;
}
void Scheduler::setFreeBusyCache( FreeBusyCache *c )
{
d->mFreeBusyCache = c;
}
FreeBusyCache *Scheduler::freeBusyCache() const
{
return d->mFreeBusyCache;
}
bool Scheduler::acceptTransaction(IncidenceBase *incidence,Method method,ScheduleMessage::Status status)
{
kdDebug(5800) << "Scheduler::acceptTransaction, method="
<< methodName( method ) << endl;
switch (method) {
case Publish:
return acceptPublish(incidence, status, method);
case Request:
return acceptRequest(incidence, status);
case Add:
return acceptAdd(incidence, status);
case Cancel:
return acceptCancel(incidence, status);
case Declinecounter:
return acceptDeclineCounter(incidence, status);
case Reply:
return acceptReply(incidence, status, method);
case Refresh:
return acceptRefresh(incidence, status);
case Counter:
return acceptCounter(incidence, status);
default:
break;
}
deleteTransaction(incidence);
return false;
}
QString Scheduler::methodName(Method method)
{
switch (method) {
case Publish:
return QString::fromLatin1("Publish");
case Request:
return QString::fromLatin1("Request");
case Refresh:
return QString::fromLatin1("Refresh");
case Cancel:
return QString::fromLatin1("Cancel");
case Add:
return QString::fromLatin1("Add");
case Reply:
return QString::fromLatin1("Reply");
case Counter:
return QString::fromLatin1("Counter");
case Declinecounter:
return QString::fromLatin1("Decline Counter");
default:
return QString::fromLatin1("Unknown");
}
}
QString Scheduler::translatedMethodName(Method method)
{
switch (method) {
case Publish:
return i18n("Publish");
case Request:
return i18n("Request");
case Refresh:
return i18n("Refresh");
case Cancel:
return i18n("Cancel");
case Add:
return i18n("Add");
case Reply:
return i18n("Reply");
case Counter:
return i18n("counter proposal","Counter");
case Declinecounter:
return i18n("decline counter proposal","Decline Counter");
default:
return i18n("Unknown");
}
}
bool Scheduler::deleteTransaction(IncidenceBase *)
{
return true;
}
bool Scheduler::acceptPublish( IncidenceBase *newIncBase,
ScheduleMessage::Status status, Method method )
{
if( newIncBase->type() == "FreeBusy" ) {
return acceptFreeBusy( newIncBase, method );
}
bool res = false;
kdDebug(5800) << "Scheduler::acceptPublish, status="
<< ScheduleMessage::statusName( status ) << endl;
Incidence *newInc = static_cast<Incidence *>( newIncBase );
Incidence *calInc = mCalendar->incidence( newIncBase->uid() );
switch ( status ) {
case ScheduleMessage::Unknown:
case ScheduleMessage::PublishNew:
case ScheduleMessage::PublishUpdate:
res = true;
if ( calInc ) {
if ( (newInc->revision() > calInc->revision()) ||
(newInc->revision() == calInc->revision() &&
newInc->lastModified() > calInc->lastModified() ) ) {
mCalendar->deleteIncidence( calInc );
} else
res = false;
}
if ( res )
mCalendar->addIncidence( newInc );
break;
case ScheduleMessage::Obsolete:
res = true;
break;
default:
break;
}
deleteTransaction( newIncBase );
return res;
}
bool Scheduler::acceptRequest(IncidenceBase *newIncBase, ScheduleMessage::Status /* status */)
{
if (newIncBase->type()=="FreeBusy") {
// reply to this request is handled in korganizer's incomingdialog
return true;
}
Incidence *newInc = dynamic_cast<Incidence *>( newIncBase );
if ( newInc ) {
bool res = true;
Incidence *exInc = mCalendar->incidenceFromSchedulingID( newIncBase->uid() );
if ( exInc ) {
res = false;
if ( (newInc->revision() > exInc->revision()) ||
(newInc->revision() == exInc->revision() &&
newInc->lastModified()>exInc->lastModified()) ) {
mCalendar->deleteIncidence( exInc );
res = true;
}
}
if ( res ) {
// Move the uid to be the schedulingID and make a unique UID
newInc->setSchedulingID( newInc->uid() );
newInc->setUid( CalFormat::createUniqueId() );
mCalendar->addIncidence(newInc);
}
deleteTransaction( newIncBase );
return res;
}
return false;
}
bool Scheduler::acceptAdd(IncidenceBase *incidence,ScheduleMessage::Status /* status */)
{
deleteTransaction(incidence);
return false;
}
bool Scheduler::acceptCancel(IncidenceBase *incidence,ScheduleMessage::Status /* status */)
{
bool ret = false;
const IncidenceBase *toDelete = mCalendar->incidenceFromSchedulingID( incidence->uid() );
if ( toDelete ) {
Event *even = mCalendar->event(toDelete->uid());
if (even) {
mCalendar->deleteEvent(even);
ret = true;
} else {
Todo *todo = mCalendar->todo(toDelete->uid());
if (todo) {
mCalendar->deleteTodo(todo);
ret = true;
}
}
}
deleteTransaction(incidence);
return ret;
}
bool Scheduler::acceptDeclineCounter(IncidenceBase *incidence,ScheduleMessage::Status /* status */)
{
deleteTransaction(incidence);
return false;
}
//bool Scheduler::acceptFreeBusy(Incidence *incidence,ScheduleMessage::Status status)
//{
// deleteTransaction(incidence);
// return false;
//}
bool Scheduler::acceptReply(IncidenceBase *incidence,ScheduleMessage::Status /* status */, Method method)
{
if(incidence->type()=="FreeBusy") {
return acceptFreeBusy(incidence, method);
}
bool ret = false;
Event *ev = mCalendar->event(incidence->uid());
Todo *to = mCalendar->todo(incidence->uid());
// try harder to find the correct incidence
if ( !ev && !to ) {
const Incidence::List list = mCalendar->incidences();
for ( Incidence::List::ConstIterator it = list.begin(), end = list.end(); it != end; ++it ) {
if ( (*it)->schedulingID() == incidence->uid() ) {
ev = dynamic_cast<Event*>( *it );
to = dynamic_cast<Todo*>( *it );
break;
}
}
}
if (ev || to) {
//get matching attendee in calendar
kdDebug(5800) << "Scheduler::acceptTransaction match found!" << endl;
Attendee::List attendeesIn = incidence->attendees();
Attendee::List attendeesEv;
Attendee::List attendeesNew;
if (ev) attendeesEv = ev->attendees();
if (to) attendeesEv = to->attendees();
Attendee::List::ConstIterator inIt;
Attendee::List::ConstIterator evIt;
for ( inIt = attendeesIn.begin(); inIt != attendeesIn.end(); ++inIt ) {
Attendee *attIn = *inIt;
bool found = false;
for ( evIt = attendeesEv.begin(); evIt != attendeesEv.end(); ++evIt ) {
Attendee *attEv = *evIt;
if (attIn->email().lower()==attEv->email().lower()) {
//update attendee-info
kdDebug(5800) << "Scheduler::acceptTransaction update attendee" << endl;
attEv->setStatus(attIn->status());
attEv->setDelegate(attIn->delegate());
attEv->setDelegator(attIn->delegator());
ret = true;
found = true;
}
}
if ( !found && attIn->status() != Attendee::Declined )
attendeesNew.append( attIn );
}
bool attendeeAdded = false;
for ( Attendee::List::ConstIterator it = attendeesNew.constBegin(); it != attendeesNew.constEnd(); ++it ) {
Attendee* attNew = *it;
QString msg = i18n("%1 wants to attend %2 but was not invited.").arg( attNew->fullName() )
.arg( ev ? ev->summary() : to->summary() );
if ( !attNew->delegator().isEmpty() )
msg = i18n("%1 wants to attend %2 on behalf of %3.").arg( attNew->fullName() )
.arg( ev ? ev->summary() : to->summary() )
.arg( attNew->delegator() );
if ( KMessageBox::questionYesNo( 0, msg, i18n("Uninvited attendee"),
KGuiItem(i18n("Accept Attendance")), KGuiItem(i18n("Reject Attendance")) )
!= KMessageBox::Yes )
{
KCal::Incidence *cancel = dynamic_cast<Incidence*>( incidence );
if ( cancel )
cancel->addComment( i18n( "The organizer rejected your attendance at this meeting." ) );
performTransaction( cancel ? cancel : incidence, Scheduler::Cancel, attNew->fullName() );
delete cancel;
continue;
}
Attendee *a = new Attendee( attNew->name(), attNew->email(), attNew->RSVP(),
attNew->status(), attNew->role(), attNew->uid() );
a->setDelegate( attNew->delegate() );
a->setDelegator( attNew->delegator() );
if ( ev )
ev->addAttendee( a );
else if ( to )
to->addAttendee( a );
ret = true;
attendeeAdded = true;
}
// send update about new participants
if ( attendeeAdded ) {
if ( ev ) {
ev->setRevision( ev->revision() + 1 );
performTransaction( ev, Scheduler::Request );
}
if ( to ) {
to->setRevision( ev->revision() + 1 );
performTransaction( to, Scheduler::Request );
}
}
if ( ret ) {
// We set at least one of the attendees, so the incidence changed
// Note: This should not result in a sequence number bump
if ( ev )
ev->updated();
else if ( to )
to->updated();
}
if ( to ) {
// for VTODO a REPLY can be used to update the completion status of
// a task. see RFC2446 3.4.3
Todo *update = dynamic_cast<Todo*> ( incidence );
Q_ASSERT( update );
if ( update && ( to->percentComplete() != update->percentComplete() ) ) {
to->setPercentComplete( update->percentComplete() );
to->updated();
}
}
} else
kdError(5800) << "No incidence for scheduling\n";
if (ret) deleteTransaction(incidence);
return ret;
}
bool Scheduler::acceptRefresh(IncidenceBase *incidence,ScheduleMessage::Status /* status */)
{
// handled in korganizer's IncomingDialog
deleteTransaction(incidence);
return false;
}
bool Scheduler::acceptCounter(IncidenceBase *incidence,ScheduleMessage::Status /* status */)
{
deleteTransaction(incidence);
return false;
}
bool Scheduler::acceptFreeBusy(IncidenceBase *incidence, Method method)
{
if ( !d->mFreeBusyCache ) {
kdError() << "KCal::Scheduler: no FreeBusyCache." << endl;
return false;
}
FreeBusy *freebusy = static_cast<FreeBusy *>(incidence);
kdDebug(5800) << "acceptFreeBusy:: freeBusyDirName: " << freeBusyDir() << endl;
Person from;
if(method == Scheduler::Publish) {
from = freebusy->organizer();
}
if((method == Scheduler::Reply) && (freebusy->attendeeCount() == 1)) {
Attendee *attendee = freebusy->attendees().first();
from = attendee->email();
}
if ( !d->mFreeBusyCache->saveFreeBusy( freebusy, from ) ) return false;
deleteTransaction(incidence);
return true;
}