summaryrefslogtreecommitdiffstats
path: root/kresources/exchange/resourceexchange.cpp
blob: ec203b9cda2ac7b5b0c6dce062ed343d5e148cc2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
/*
    This file is part of libkpimexchange.
    Copyright (c) 2002 Jan-Pascal van Best <janpascal@vanbest.org>

    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 <stdlib.h>

#include <tqdatetime.h>
#include <tqstring.h>
#include <tqptrlist.h>
#include <tqwidgetlist.h>
#include <tqwidget.h>

#include <kdebug.h>
#include <kapplication.h>
#include <kstringhandler.h>
#include <kglobal.h>
#include <klocale.h>

#include <libkcal/calendarlocal.h>
#include <libkcal/calendar.h>
#include <libkcal/journal.h>

#include <kresources/configwidget.h>

#include <kabc/locknull.h>

#include "dateset.h"
#include "exchangeaccount.h"
#include "exchangeclient.h"
#include "exchangemonitor.h"

#include "resourceexchange.h"
#include "resourceexchangeconfig.h"


using namespace KCal;
using namespace KPIM;

typedef KRES::PluginFactory<ResourceExchange,ResourceExchangeConfig> ExchangeFactory;

// FIXME: Use K_EXPORT_COMPONENT_FACTORY( resourcecalendarexchange, ExchangeFactory ); here
// Problem: How to insert the catalogue!
extern "C"
{
  void* init_resourcecalendarexchange()
  {
    KGlobal::locale()->insertCatalogue( "kres_exchange" );
    return new ExchangeFactory;
  }
}

class ResourceExchange::EventInfo {
public:
  KCal::Event* event;
  KURL url;
  long updateWatch;
};

ResourceExchange::ResourceExchange( const KConfig *config )
  : ResourceCalendar( config ), mClient(0), mMonitor(0), mCache(0), mDates(0),
    mEventDates(0), mCacheDates(0)
{
  mLock = new KABC::LockNull( true );

  mTimeZoneId = TQString::tqfromLatin1( "UTC" );

  kdDebug() << "Creating ResourceExchange" << endl;
  if (config ) {
    mAccount = new ExchangeAccount(
            config->readEntry( "ExchangeHost" ),
            config->readEntry( "ExchangePort" ),
            config->readEntry( "ExchangeAccount" ),
            KStringHandler::obscure( config->readEntry( "ExchangePassword" ) ),
            config->readEntry( "ExchangeMailbox" ) );
    mCachedSeconds = config->readNumEntry( "ExchangeCacheTimeout", 600 );
    mAutoMailbox = config->readBoolEntry( "ExchangeAutoMailbox", true );
  } else {
    setResourceName( i18n( "Exchange Server" ) );
    mAccount = new ExchangeAccount( "", "", "", "" );
    mCachedSeconds = 600;
  }
}

ResourceExchange::~ResourceExchange()
{
  kdDebug() << "Destructing ResourceExchange" << endl;

  close();

  delete mAccount; mAccount = 0;
}

void ResourceExchange::writeConfig( KConfig* config )
{
  ResourceCalendar::writeConfig( config );
  config->writeEntry( "ExchangeHost", mAccount->host() );
  config->writeEntry( "ExchangePort", mAccount->port() );
  config->writeEntry( "ExchangeAccount", mAccount->account() );
  config->writeEntry( "ExchangeMailbox", mAccount->mailbox() );
  config->writeEntry( "ExchangePassword", KStringHandler::obscure( mAccount->password() ) );
  config->writeEntry( "ExchangeCacheTimeout", mCachedSeconds );
  config->writeEntry( "ExchangeAutoMailbox", mAutoMailbox );
}

bool ResourceExchange::doOpen()
{
  kdDebug() << "ResourceExchange::doOpen()" << endl;

  mClient = new ExchangeClient( mAccount, mTimeZoneId );
  connect( mClient, TQT_SIGNAL( downloadFinished( int, const TQString & ) ),
           TQT_SLOT( slotDownloadFinished( int, const TQString & ) ) );
  connect( mClient, TQT_SIGNAL( event( KCal::Event *, const KURL & ) ),
           TQT_SLOT( downloadedEvent( KCal::Event *, const KURL & ) ) );

#if 0
  kdDebug() << "Creating monitor" << endl;
  TQHostAddress ip;
  ip.setAddress( mAccount->host() );
  mMonitor = new ExchangeMonitor( mAccount, ExchangeMonitor::CallBack, ip );
  connect( mMonitor, TQT_SIGNAL(notify( const TQValueList<long>& , const TQValueList<KURL>& )), this, TQT_SLOT(slotMonitorNotify( const TQValueList<long>& , const TQValueList<KURL>& )) );
  connect( mMonitor, TQT_SIGNAL(error(int , const TQString&)), this, TQT_SLOT(slotMonitorError(int , const TQString&)) );

  mMonitor->addWatch( mAccount->calendarURL(), ExchangeMonitor::UpdateNewMember, 1 );
#endif

  TQWidgetList* widgets = TQApplication::tqtopLevelWidgets();
  if ( !widgets->isEmpty() )
    mClient->setWindow( widgets->first() );
  delete widgets;

  mDates = new DateSet();

  mEventDates = new TQMap<Event,TQDateTime>();
  mCacheDates = new TQMap<TQDate, TQDateTime>();

  mCache = new CalendarLocal( mTimeZoneId );
  // mOldestDate = 0L;
  // mNewestDate = 0L;

  // FIXME: check if server exists, account is OK, etc.
  return true;
}

void ResourceExchange::doClose()
{
  kdDebug() << "ResourceExchange::doClose()" << endl;

  // delete mNewestDate;
  // delete mOldestDate;
  delete mDates; mDates = 0;
//  delete mMonitor; mMonitor = 0;
  delete mClient; mClient = 0;
  delete mEventDates; mEventDates = 0;
  delete mCacheDates; mCacheDates = 0;
  if (mCache) {
    mCache->close();
    delete mCache; mCache = 0;
  }
//  setModified( false );
}

bool ResourceExchange::doLoad()
{
  return true;
}

bool ResourceExchange::doSave()
{
  kdDebug() << "ResourceExchange::save() " << mChangedIncidences.count()
            << endl;

  Incidence::List::Iterator it = mChangedIncidences.begin();
  while( it != mChangedIncidences.end() ) {
    if ( (*it)->type() == "Event" ) {
      if ( uploadEvent( static_cast<Event *>( *it ) ) ) {
        it = mChangedIncidences.remove( it );
      } else {
        kdError() << "ResourceExchange::save(): upload failed." << endl;
        ++it;
      }
    } else {
      kdError() << "ResourceExchange::save() type not handled: "
                << (*it)->type() << endl;
      ++it;
    }
  }
  return true;
}

KABC::Lock *ResourceExchange::lock()
{
  return mLock;
}

void ResourceExchange::slotMonitorNotify( const TQValueList<long>& IDs, const TQValueList<KURL>& urls )
{
  kdDebug() << "ResourceExchange::slotMonitorNotify()" << endl;

  TQString result;
  KPIM::ExchangeMonitor::IDList::ConstIterator it;
  for ( it = IDs.begin(); it != IDs.end(); ++it ) {
    if ( it == IDs.begin() )
      result += TQString::number( (*it) );
    else
      result += "," + TQString::number( (*it) );
  }
  kdDebug() << "Got signals for " << result << endl;
  TQValueList<KURL>::ConstIterator it2;
  for ( it2 = urls.begin(); it2 != urls.end(); ++it2 ) {
    kdDebug() << "URL: " << (*it2).prettyURL() << endl;
  }

  /* Now find out what happened:
   * One or more of the following:
   * 1. Event added in period that we think we have cached
   * 2. Event deleted that we have in cache
   * 3. Event modified that we have in cache
   * 4. Something else happened that isn't relevant to us
   * Update cache, then notify whoever's watching us
   * We may be able to find (1) and (3) by looking at the
   *   DAV:getlastmodified property
   * (2) is trickier: we might have to resort to checking
   * all uids in the cache
   * Or: put monitors on every event in the cache, so that
   * we know when one gets deleted or modified
   * Only look for new events using the global monitor
   */
}

void ResourceExchange::slotMonitorError( int errorCode, const TQString& moreInfo )
{
  kdError() << "Ignoring error from Exchange monitor, code=" << errorCode << "; more info: " << moreInfo << endl;
}


bool ResourceExchange::addEvent( Event *event )
{
  return addEvent( event, TQString() );
}

bool ResourceExchange::addEvent( Event *event, const TQString &subresource )
{
  Q_UNUSED( subresource ); //subresources are not supported

  if( !mCache ) return false;
  kdDebug() << "ResourceExchange::addEvent" << endl;

  // FIXME: first check of upload finished successfully, only then
  // add to cache
  mCache->addEvent( event );

  uploadEvent( event );
//  insertEvent( event );

  event->registerObserver( this );
//  setModified( true );

  return true;
}

bool ResourceExchange::uploadEvent( Event *event )
{
  mClient->uploadSynchronous( event );
  return true;
}

bool ResourceExchange::deleteEvent(Event *event)
{
  if ( !mCache ) return false;
  kdDebug(5800) << "ResourceExchange::deleteEvent" << endl;

  mClient->removeSynchronous( event );

  // This also frees the event
 return mCache->deleteEvent( event );

//  setModified( true );
}

void ResourceExchange::changeIncidence( Incidence *incidence )
{
  kdDebug() << "ResourceExchange::changeIncidence(): "
            << incidence->summary() << endl;

  if ( mChangedIncidences.find( incidence ) == mChangedIncidences.end() ) {
    mChangedIncidences.append( incidence );
  }
}

Event *ResourceExchange::event( const TQString &uid )
{
  kdDebug(5800) << "ResourceExchange::event(): " << uid << endl;

  // FIXME: Look in exchange server for uid!
  Event *event = 0;
  if ( mCache )
	event = mCache->event( uid );
  return event;
}

void ResourceExchange::subscribeEvents( const TQDate &start, const TQDate &end )
{
  kdDebug(5800) << "ResourceExchange::subscribeEvents()" << endl;
  // FIXME: possible race condition if several subscribe events are run close
  // to each other
  mClient->download( start, end, false );
}

void ResourceExchange::downloadedEvent( KCal::Event *event, const KURL &url )
{
  kdDebug() << "Downloaded event: " << event->summary() << " from url "
            << url.prettyURL() << endl;
    // FIXME: add watches to the monitor for these events
    // KURL url =
    //  mMonitor->addWatch( url, KPIM::ExchangeMonitor::Update, 0 );
//    emit eventsAdded( events );
}

void ResourceExchange::slotDownloadFinished( int result,
                                             const TQString &moreinfo )
{
  kdDebug() << "ResourceExchange::downloadFinished" << endl;

  if ( result != KPIM::ExchangeClient::ResultOK ) {
    // Do something useful with the error report
    kdError() << "ResourceExchange::slotDownloadFinished(): error " << result
              << ": " << moreinfo << endl;
  }
}

void ResourceExchange::unsubscribeEvents( const TQDate &/*start*/, const TQDate &/*end*/ )
{
  kdDebug() << "ResourceExchange::unsubscribeEvents()" << endl;
}

bool ResourceExchange::addTodo( Todo *todo )
{
  return addTodo( todo, TQString() );
}

bool ResourceExchange::addTodo( Todo */*todo*/, const TQString &subresource )
{
  Q_UNUSED( subresource ); //subresources are not supported
  // This resource doesn't handle todos yet!
  return false;
/*  if( !mCache)
        return false;
  mCache->addTodo( todo );

  todo->registerObserver( this );

//  setModified( true );

  return true;*/
}


bool ResourceExchange::deleteTodo(Todo */*todo*/)
{
  // We don't handle todos yet
//  if( !mCache )
        return false;
//  mCache->deleteTodo( todo );

//  setModified( true );
}

Todo::List ResourceExchange::rawTodos( TodoSortField /*sortField*/, SortDirection /*sortDirection*/ )
{
  // We don't handle todos yet
  return Todo::List();
/*  Todo::List list;
  if ( mCache )
	list = mCache->rawTodos( sortField, sortDirection );
  return list;*/
}

Todo *ResourceExchange::todo( const TQString &/*uid*/ )
{
  // We don't handle todos yet
  return 0;
/*  if ( !mCache )
	return 0;
  else
	return mCache->todo( uid );*/
}

Todo::List ResourceExchange::rawTodosForDate( const TQDate &/*date*/ )
{
  Todo::List list;
  // We don't handle todos yet
/*  if ( mCache )
	list = mCache->rawTodosForDate( date );*/
  return list;
}

Alarm::List ResourceExchange::alarmsTo( const TQDateTime &to )
{
  Alarm::List list;
  if ( mCache )
	list = mCache->alarmsTo( to );
  return list;
}

/* Invoked by korgac when checking alarms. Always updates the cache. */
Alarm::List ResourceExchange::alarms( const TQDateTime &from, const TQDateTime &to )
{
  kdDebug(5800) << "ResourceExchange::alarms(" << from.toString() << " - " << to.toString() << ")\n";
  Alarm::List list;

  TQDate start = from.date();
  TQDate end = to.date();

  if ( mCache ) {

    /* Clear the cache */
    Event::List oldEvents = mCache->rawEvents( start, end, false );

    Event::List::ConstIterator it;
    for( it = oldEvents.begin(); it != oldEvents.end(); ++it ) {
      mCache->deleteEvent( *it );
    }

    /* Fetch events */
    mClient->downloadSynchronous( mCache, start, end, false );

    list = mCache->alarms( from, to );
  }
  return list;
}

/****************************** PROTECTED METHODS ****************************/

// after changes are made to an event, this should be called.
void ResourceExchange::incidenceUpdated( IncidenceBase *incidence )
{
  Event* event = dynamic_cast<Event *>( incidence );
  if ( event ) {
    kdDebug() << "Event updated, resubmit to server..." << endl;
    uploadEvent( event );
  }
//  setModified( true );
}

// this function will take a VEvent and insert it into the event
// dictionary for the ResourceExchange.  If there is no list of events for that
// particular location in the dictionary, a new one will be created.
/*
void ResourceExchange::insertEvent(const Event *anEvent)
{
  kdDebug() << "ResourceExchange::insertEvent" << endl;

}
*/
// taking a TQDate, this function will look for an eventlist in the dict
// with that date attached -
Event::List ResourceExchange::rawEventsForDate( const TQDate &qd,
                                                EventSortField sortField,
                                                SortDirection sortDirection )
{
  if (!mCache) return Event::List();
  // If the events for this date are not in the cache, or if they are old,
  // get them again
  TQDateTime now = TQDateTime::tqcurrentDateTime();
  // kdDebug() << "Now is " << now.toString() << endl;
  // kdDebug() << "mDates: " << mDates << endl;
  TQDate start = TQDate( qd.year(), qd.month(), 1 ); // First day of month
  if ( mDates && ( !mDates->tqcontains( start ) ||
                   (*mCacheDates)[start].secsTo( now ) > mCachedSeconds ) ) {
    TQDate end = start.addMonths( 1 ).addDays( -1 ); // Last day of month
    // Get events that occur in this period from the cache
    Event::List oldEvents = mCache->rawEvents( start, end, false );
    // And remove them all
    Event::List::ConstIterator it;
    for( it = oldEvents.begin(); it != oldEvents.end(); ++it ) {
      mCache->deleteEvent( *it );
    }

    // FIXME: This is needed for the hack below:
    Event::List eventsBefore = mCache->rawEvents();

    kdDebug() << "Reading events for month of " << start.toString() << endl;
    mClient->downloadSynchronous( mCache, start, end, true ); // Show progress dialog

    // FIXME: This is a terrible hack! We need to install the observer for
    // newly downloaded events.However, downloading is done by
    // mClient->downloadSynchronous, where we don't have the pointer to this
    // available... On the other hand, here we don't really know which events
    // are really new.
    Event::List eventsAfter = mCache->rawEvents();
    for ( it = eventsAfter.begin(); it != eventsAfter.end(); ++it ) {
      if ( eventsBefore.find( *it ) == eventsBefore.end() ) {
        // it's a new event downloaded by downloadSynchronous -> install observer
        (*it)->registerObserver( this );
      }
    }

    mDates->add( start );
    mCacheDates->insert( start, now );
  }

  // Events are safely in the cache now, return them from cache
  Event::List events;
  if ( mCache )
	events = mCache->rawEventsForDate( qd, sortField, sortDirection );
  // kdDebug() << "Found " << events.count() << " events." << endl;
  return events;
}


Event::List ResourceExchange::rawEvents( const TQDate &start, const TQDate &end,
                                          bool inclusive )
{
  kdDebug() << "ResourceExchange::rawEvents(start,end,inclusive)" << endl;
	if (!mCache) return Event::List();
  return mCache->rawEvents( start, end, inclusive );
}

Event::List ResourceExchange::rawEventsForDate(const TQDateTime &qdt)
{
  kdDebug() << "ResourceExchange::rawEventsForDate(qdt)" << endl;
  return rawEventsForDate( qdt.date() );
}

Event::List ResourceExchange::rawEvents( EventSortField sortField, SortDirection sortDirection )
{
  kdDebug() << "ResourceExchange::rawEvents()" << endl;
	if (!mCache) return Event::List();
  return mCache->rawEvents( sortField, sortDirection );
}

bool ResourceExchange::addJournal( Journal *journal )
{
  return addJournal( journal, TQString() );
}

bool ResourceExchange::addJournal( Journal */*journal*/, const TQString &subresource )
{
  Q_UNUSED( subresource ); //subresources are not supported

  // This resource doesn't handle journals yet
  return false;
/*  kdDebug(5800) << "Adding Journal on " << journal->dtStart().toString() << endl;
	if (mCache) {
    mCache->addJournal( journal );

    journal->registerObserver( this );

//    setModified( true );
  }

  return true;*/
}

bool ResourceExchange::deleteJournal(Journal */*journal*/)
{
  // Wedon't handle journals yet
//  if( !mCache )
        return false;
//  mCache->deleteJournal( journal );

//  setModified( true );
}

Journal::List ResourceExchange::journals(const TQDate &/*date*/)
{
  // We don't handle journals yet
  return Journal::List();
/*  Journal::List list;
  if ( mCache )
	list = mCache->journals( date );
  return list;*/
}

Journal *ResourceExchange::journal(const TQString &/*uid*/)
{
  // We don't handle journals yet
  return 0;
/*    if( !mCache )
        return 0;
    return mCache->journal( uid );*/
}

Journal::List ResourceExchange::rawJournals( JournalSortField /*sortField*/, SortDirection /*sortDirection*/ )
{
  // We don't handle journals yet
  return Journal::List();
/*  Journal::List list;
  if ( mCache )
	list = mCache->rawJournals( sortField, sortDirection );
  return list;*/
}

Journal::List ResourceExchange::rawJournalsForDate( const TQDate &/*date*/ )
{
  // We don't handle journals yet
  return Journal::List();
/*  Journal::List list;
  if ( mCache )
    list = mCache->rawJournalsForDate( date );
  return list;*/
}

void ResourceExchange::setTimeZoneId( const TQString &tzid )
{
  mTimeZoneId = tzid;
  if ( mCache ) mCache->setTimeZoneId( tzid );
  if ( mClient ) mClient->setTimeZoneId( tzid );
}

#include "resourceexchange.moc"