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/*
This file is part of the Groupware/KOrganizer integration.
Requires the TQt and KDE widget libraries, available at no cost at
http://www.trolltech.com and http://www.kde.org respectively
Copyright (c) 2002-2004 Klarälvdalens Datakonsult AB
<[email protected]>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the TQt library by Trolltech AS, Norway (or with modified versions
of TQt that use the same license as TQt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
TQt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
*/
#include "kogroupware.h"
#include "freebusymanager.h"
#include "calendarview.h"
#include "mailscheduler.h"
#include "koprefs.h"
#include "koincidenceeditor.h"
#include <libemailfunctions/email.h>
#include <libkcal/attendee.h>
#include <libkcal/journal.h>
#include <libkcal/incidenceformatter.h>
#include <kdebug.h>
#include <kmessagebox.h>
#include <kstandarddirs.h>
#include <kdirwatch.h>
#include <tqfile.h>
#include <tqregexp.h>
#include <tqdir.h>
#include <tqtimer.h>
FreeBusyManager *KOGroupware::mFreeBusyManager = 0;
KOGroupware *KOGroupware::mInstance = 0;
KOGroupware *KOGroupware::create( CalendarView *view,
KCal::CalendarResources *calendar )
{
if( !mInstance )
mInstance = new KOGroupware( view, calendar );
return mInstance;
}
KOGroupware *KOGroupware::instance()
{
// Doesn't create, that is the task of create()
Q_ASSERT( mInstance );
return mInstance;
}
KOGroupware::KOGroupware( CalendarView* view, KCal::CalendarResources* cal )
: TQObject( 0, "kmgroupware_instance" ), mView( view ), mCalendar( cal ), mDoNotNotify( false )
{
// Set up the dir watch of the three incoming dirs
KDirWatch* watcher = KDirWatch::self();
watcher->addDir( locateLocal( "data", "korganizer/income.accepted/" ) );
watcher->addDir( locateLocal( "data", "korganizer/income.tentative/" ) );
watcher->addDir( locateLocal( "data", "korganizer/income.counter/" ) );
watcher->addDir( locateLocal( "data", "korganizer/income.cancel/" ) );
watcher->addDir( locateLocal( "data", "korganizer/income.reply/" ) );
watcher->addDir( locateLocal( "data", "korganizer/income.delegated/" ) );
connect( watcher, TQT_SIGNAL( dirty( const TQString& ) ),
this, TQT_SLOT( incomingDirChanged( const TQString& ) ) );
// Now set the ball rolling
TQTimer::singleShot( 0, this, TQT_SLOT(initialCheckForChanges()) );
}
void KOGroupware::initialCheckForChanges()
{
incomingDirChanged( locateLocal( "data", "korganizer/income.accepted/" ) );
incomingDirChanged( locateLocal( "data", "korganizer/income.tentative/" ) );
incomingDirChanged( locateLocal( "data", "korganizer/income.counter/" ) );
incomingDirChanged( locateLocal( "data", "korganizer/income.cancel/" ) );
incomingDirChanged( locateLocal( "data", "korganizer/income.reply/" ) );
incomingDirChanged( locateLocal( "data", "korganizer/income.delegated/" ) );
}
void KOGroupware::slotViewNewIncidenceChanger( IncidenceChangerBase* changer )
{
// Call slot perhapsUploadFB if an incidence was added, changed or removed
connect( changer, TQT_SIGNAL( incidenceAdded( Incidence* ) ),
mFreeBusyManager, TQT_SLOT( slotPerhapsUploadFB() ) );
connect( changer, TQT_SIGNAL( incidenceChanged( Incidence*, Incidence*, KOGlobals::WhatChanged ) ),
mFreeBusyManager, TQT_SLOT( slotPerhapsUploadFB() ) );
connect( changer, TQT_SIGNAL( incidenceDeleted( Incidence * ) ),
mFreeBusyManager, TQT_SLOT( slotPerhapsUploadFB() ) );
}
FreeBusyManager *KOGroupware::freeBusyManager()
{
if ( !mFreeBusyManager ) {
mFreeBusyManager = new FreeBusyManager( this, "freebusymanager" );
mFreeBusyManager->setCalendar( mCalendar );
connect( mCalendar, TQT_SIGNAL( calendarChanged() ),
mFreeBusyManager, TQT_SLOT( slotPerhapsUploadFB() ) );
connect( mView, TQT_SIGNAL( newIncidenceChanger( IncidenceChangerBase* ) ),
this, TQT_SLOT( slotViewNewIncidenceChanger( IncidenceChangerBase* ) ) );
slotViewNewIncidenceChanger( mView->incidenceChanger() );
}
return mFreeBusyManager;
}
void KOGroupware::incomingDirChanged( const TQString& path )
{
const TQString incomingDirName = locateLocal( "data","korganizer/" )
+ "income.";
if ( !path.startsWith( incomingDirName ) ) {
kdDebug(5850) << "incomingDirChanged: Wrong dir " << path << endl;
return;
}
TQString action = path.mid( incomingDirName.length() );
while ( action.length() > 0 && action[ action.length()-1 ] == '/' )
// Strip slashes at the end
action.truncate( action.length()-1 );
// Handle accepted invitations
TQDir dir( path );
const TQStringList files = dir.entryList( TQDir::Files );
if ( files.isEmpty() )
// No more files here
return;
// Read the file and remove it
TQFile f( path + "/" + files[0] );
if (!f.open(IO_ReadOnly)) {
kdError(5850) << "Can't open file '" << files[0] << "'" << endl;
return;
}
TQTextStream t(&f);
t.setEncoding( TQTextStream::UnicodeUTF8 );
TQString receiver = KPIM::getFirstEmailAddress( t.readLine() );
TQString iCal = t.read();
f.remove();
ScheduleMessage *message = mFormat.parseScheduleMessage( mCalendar, iCal );
if ( !message ) {
TQString errorMessage;
if (mFormat.exception())
errorMessage = i18n( "Error message: %1" ).arg( mFormat.exception()->message() );
kdDebug(5850) << "MailScheduler::retrieveTransactions() Error parsing "
<< errorMessage << endl;
KMessageBox::detailedError( mView,
i18n("Error while processing an invitation or update."),
errorMessage );
return;
}
KCal::Scheduler::Method method =
static_cast<KCal::Scheduler::Method>( message->method() );
KCal::ScheduleMessage::Status status = message->status();
KCal::Incidence* incidence =
dynamic_cast<KCal::Incidence*>( message->event() );
if(!incidence) {
delete message;
return;
}
KCal::MailScheduler scheduler( mCalendar );
if ( action.startsWith( "accepted" ) || action.startsWith( "tentative" )
|| action.startsWith( "delegated" ) || action.startsWith( "counter" ) ) {
// Find myself and set my status. This can't be done in the scheduler,
// since this does not know the choice I made in the KMail bpf
KCal::Attendee::List attendees = incidence->attendees();
KCal::Attendee::List::ConstIterator it;
for ( it = attendees.begin(); it != attendees.end(); ++it ) {
if( (*it)->email() == receiver ) {
if ( action.startsWith( "accepted" ) )
(*it)->setStatus( KCal::Attendee::Accepted );
else if ( action.startsWith( "tentative" ) )
(*it)->setStatus( KCal::Attendee::Tentative );
else if ( KOPrefs::instance()->outlookCompatCounterProposals() && action.startsWith( "counter" ) )
(*it)->setStatus( KCal::Attendee::Tentative );
else if ( action.startsWith( "delegated" ) )
(*it)->setStatus( KCal::Attendee::Delegated );
break;
}
}
if ( KOPrefs::instance()->outlookCompatCounterProposals() || !action.startsWith( "counter" ) )
scheduler.acceptTransaction( incidence, method, status, receiver );
} else if ( action.startsWith( "cancel" ) )
// Delete the old incidence, if one is present
scheduler.acceptTransaction( incidence, KCal::Scheduler::Cancel, status, receiver );
else if ( action.startsWith( "reply" ) ) {
if ( method != Scheduler::Counter ) {
scheduler.acceptTransaction( incidence, method, status );
} else {
// accept counter proposal
scheduler.acceptCounterProposal( incidence );
// send update to all attendees
sendICalMessage( mView, Scheduler::Request, incidence, KOGlobals::INCIDENCEEDITED, false );
}
} else
kdError(5850) << "Unknown incoming action " << action << endl;
if ( action.startsWith( "counter" ) ) {
mView->editIncidence( incidence, TQDate(), true );
KOIncidenceEditor *tmp = mView->editorDialog( incidence );
tmp->selectInvitationCounterProposal( true );
}
mView->updateView();
}
class KOInvitationFormatterHelper : public InvitationFormatterHelper
{
public:
virtual TQString generateLinkURL( const TQString &id ) { return "kmail:groupware_request_" + id; }
};
/* This function sends mails if necessary, and makes sure the user really
* want to change his calendar.
*
* Return true means accept the changes
* Return false means revert the changes
*/
bool KOGroupware::sendICalMessage( TQWidget* parent,
KCal::Scheduler::Method method,
Incidence* incidence,
KOGlobals::HowChanged action,
bool attendeeStatusChanged,
int dontAskForGroupware )
{
// If there are no attendees, don't bother
if( incidence->attendees().isEmpty() )
return true;
bool isOrganizer = KOPrefs::instance()->thatIsMe( incidence->organizer().email() );
int rc = 0;
/*
* There are two scenarios:
* o "we" are the organizer, where "we" means any of the identities or mail
* addresses known to Kontact/PIM. If there are attendees, we need to mail
* them all, even if one or more of them are also "us". Otherwise there
* would be no way to invite a resource or our boss, other identities we
* also manage.
* o "we: are not the organizer, which means we changed the completion status
* of a todo, or we changed our attendee status from, say, tentative to
* accepted. In both cases we only mail the organizer. All other changes
* bring us out of sync with the organizer, so we won't mail, if the user
* insists on applying them.
*/
if ( dontAskForGroupware == 1 ) {
rc = KMessageBox::Yes;
}
else if ( dontAskForGroupware == 2 ) {
rc = KMessageBox::No;
}
else {
if ( isOrganizer ) {
/* We are the organizer. If there is more than one attendee, or if there is
* only one, and it's not the same as the organizer, ask the user to send
* mail. */
if ( incidence->attendees().count() > 1
|| incidence->attendees().first()->email() != incidence->organizer().email() ) {
TQString txt;
switch( action ) {
case KOGlobals::INCIDENCEEDITED:
txt = i18n( "You changed the invitation \"%1\".\n"
"Do you want to email the attendees an update message?" ).
arg( incidence->summary() );
break;
case KOGlobals::INCIDENCEDELETED:
Q_ASSERT( incidence->type() == "Event" || incidence->type() == "Todo" );
if ( incidence->type() == "Event" ) {
txt = i18n( "You removed the invitation \"%1\".\n"
"Do you want to email the attendees that the event is canceled?" ).
arg( incidence->summary() );
} else if ( incidence->type() == "Todo" ) {
txt = i18n( "You removed the invitation \"%1\".\n"
"Do you want to email the attendees that the todo is canceled?" ).
arg( incidence->summary() );
}
break;
case KOGlobals::INCIDENCEADDED:
if ( incidence->type() == "Event" ) {
txt = i18n( "The event \"%1\" includes other people.\n"
"Do you want to email the invitation to the attendees?" ).
arg( incidence->summary() );
} else if ( incidence->type() == "Todo" ) {
txt = i18n( "The todo \"%1\" includes other people.\n"
"Do you want to email the invitation to the attendees?" ).
arg( incidence->summary() );
} else {
txt = i18n( "This incidence includes other people. "
"Should an email be sent to the attendees?" );
}
break;
default:
kdError() << "Unsupported HowChanged action" << int( action ) << endl;
break;
}
rc = KMessageBox::questionYesNo(
parent, txt, i18n( "Group Scheduling Email" ),
KGuiItem( i18n( "Send Email" ) ), KGuiItem( i18n( "Do Not Send" ) ) );
} else {
return true;
}
} else if( incidence->type() == "Todo" ) {
if( method == Scheduler::Request )
// This is an update to be sent to the organizer
method = Scheduler::Reply;
// Ask if the user wants to tell the organizer about the current status
TQString txt = i18n( "Do you want to send a status update to the "
"organizer of this task?");
rc = KMessageBox::questionYesNo( parent, txt, TQString(), i18n("Send Update"), i18n("Do Not Send") );
} else if( incidence->type() == "Event" ) {
TQString txt;
if ( attendeeStatusChanged && method == Scheduler::Request ) {
txt = i18n( "Your status as an attendee of this event changed. "
"Do you want to send a status update to the event organizer?" );
method = Scheduler::Reply;
rc = KMessageBox::questionYesNo( parent, txt, TQString(), i18n("Send Update"), i18n("Do Not Send") );
} else {
if( action == KOGlobals::INCIDENCEDELETED ) {
const TQStringList myEmails = KOPrefs::instance()->allEmails();
bool askConfirmation = false;
for ( TQStringList::ConstIterator it = myEmails.begin(); it != myEmails.end(); ++it ) {
TQString email = *it;
Attendee *me = incidence->attendeeByMail(email);
if (me && (me->status()==KCal::Attendee::Accepted || me->status()==KCal::Attendee::Delegated)) {
askConfirmation = true;
break;
}
}
if ( !askConfirmation ) {
return true;
}
txt = i18n( "You had previously accepted an invitation to this event. "
"Do you want to send an updated response to the organizer "
"declining the invitation?" );
rc = KMessageBox::questionYesNo(
parent, txt, i18n( "Group Scheduling Email" ),
KGuiItem( i18n( "Send Update" ) ), KGuiItem( i18n( "Do Not Send" ) ) );
setDoNotNotify( rc == KMessageBox::No );
} else {
txt = i18n( "You are not the organizer of this event. Editing it will "
"bring your calendar out of sync with the organizer's calendar. "
"Do you really want to edit it?" );
rc = KMessageBox::warningYesNo( parent, txt );
return ( rc == KMessageBox::Yes );
}
}
} else {
kdWarning(5850) << "Groupware messages for Journals are not implemented yet!" << endl;
return true;
}
}
if ( rc == KMessageBox::Yes ) {
// We will be sending out a message here. Now make sure there is
// some summary
if( incidence->summary().isEmpty() )
incidence->setSummary( i18n("<No summary given>") );
// Send the mail
KCal::MailScheduler scheduler( mCalendar );
scheduler.performTransaction( incidence, method );
return true;
} else if ( rc == KMessageBox::No ) {
return true;
} else {
return false;
}
}
void KOGroupware::sendCounterProposal(KCal::Calendar *calendar, KCal::Event * oldEvent, KCal::Event * newEvent) const
{
if ( !oldEvent || !newEvent || *oldEvent == *newEvent || !KOPrefs::instance()->mUseGroupwareCommunication )
return;
if ( KOPrefs::instance()->outlookCompatCounterProposals() ) {
Incidence* tmp = oldEvent->clone();
tmp->setSummary( i18n("Counter proposal: %1").arg( newEvent->summary() ) );
tmp->setDescription( newEvent->description() );
tmp->addComment( i18n("Proposed new meeting time: %1 - %2").
arg( IncidenceFormatter::dateToString( newEvent->dtStart() ),
IncidenceFormatter::dateToString( newEvent->dtEnd() ) ) );
KCal::MailScheduler scheduler( calendar );
scheduler.performTransaction( tmp, Scheduler::Reply );
delete tmp;
} else {
KCal::MailScheduler scheduler( calendar );
scheduler.performTransaction( newEvent, Scheduler::Counter );
}
}
#include "kogroupware.moc"
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