Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 225 insertions, 0 deletions

diff --git a/korganizer/eventarchiver.cpp b/korganizer/eventarchiver.cpp
new file mode 100644
index 000000000..f4ff3cbf9
--- /dev/null
+++ b/korganizer/eventarchiver.cpp
@@ -0,0 +1,225 @@
+/*
+    This file is part of KOrganizer.
+    Copyright (c) 2000,2001 Cornelius Schumacher <schumacher@kde.org>
+    Copyright (c) 2004 David Faure <faure@kde.org>
+    Copyright (C) 2004 Reinhold Kainhofer <reinhold@kainhofer.com>
+
+    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.
+
+    As a special exception, permission is given to link this program
+    with any edition of Qt, and distribute the resulting executable,
+    without including the source code for Qt in the source distribution.
+*/
+
+#include "eventarchiver.h"
+#include <kglobal.h>
+#include <klocale.h>
+#include <ktempfile.h>
+#include <kio/netaccess.h>
+#include <kglobal.h>
+#include <libkcal/filestorage.h>
+#include <libkcal/calendarlocal.h>
+#include <libkcal/calendar.h>
+#include <kmessagebox.h>
+#include <kdebug.h>
+#include "koprefs.h"
+
+EventArchiver::EventArchiver( QObject* parent, const char* name )
+ : QObject( parent, name )
+{
+}
+
+EventArchiver::~EventArchiver()
+{
+}
+
+void EventArchiver::runOnce( Calendar* calendar, const QDate& limitDate, QWidget* widget )
+{
+  run( calendar, limitDate, widget, true, true );
+}
+
+void EventArchiver::runAuto( Calendar* calendar, QWidget* widget, bool withGUI )
+{
+  QDate limitDate( QDate::currentDate() );
+  int expiryTime = KOPrefs::instance()->mExpiryTime;
+  switch (KOPrefs::instance()->mExpiryUnit) {
+  case KOPrefs::UnitDays: // Days
+    limitDate = limitDate.addDays( -expiryTime );
+    break;
+  case KOPrefs::UnitWeeks: // Weeks
+    limitDate = limitDate.addDays( -expiryTime*7 );
+    break;
+  case KOPrefs::UnitMonths: // Months
+    limitDate = limitDate.addMonths( -expiryTime );
+    break;
+  default:
+    return;
+  }
+  run( calendar, limitDate, widget, withGUI, false );
+}
+
+void EventArchiver::run( Calendar* calendar, const QDate& limitDate, QWidget* widget, bool withGUI, bool errorIfNone )
+{
+  // We need to use rawEvents, otherwise events hidden by filters will not be archived.
+  Incidence::List incidences;
+  Event::List events;
+  Todo::List todos;
+  Journal::List journals;
+  
+  if ( KOPrefs::instance()->mArchiveEvents ) {
+    events = calendar->rawEvents(
+      QDate( 1769, 12, 1 ),
+      // #29555, also advertised by the "limitDate not included" in the class docu
+      limitDate.addDays( -1 ),
+      true );
+  }
+  if ( KOPrefs::instance()->mArchiveTodos ) {
+    Todo::List t = calendar->rawTodos();
+    Todo::List::ConstIterator it;
+    for( it = t.begin(); it != t.end(); ++it ) {
+      if ( (*it) && ( (*it)->isCompleted() ) &&  ( (*it)->completed().date() < limitDate ) ) {
+        todos.append( *it );
+      }
+    }
+  }
+  
+  incidences = Calendar::mergeIncidenceList( events, todos, journals );
+  
+
+  kdDebug(5850) << "EventArchiver: archiving incidences before " << limitDate << " -> " << incidences.count() << " incidences found." << endl;
+  if ( incidences.isEmpty() ) {
+    if ( withGUI && errorIfNone )
+      KMessageBox::information( widget, i18n("There are no items before %1")
+                          .arg(KGlobal::locale()->formatDate(limitDate)),
+                          "ArchiverNoIncidences" );
+    return;
+  }
+
+
+  switch ( KOPrefs::instance()->mArchiveAction ) {
+  case KOPrefs::actionDelete:
+    deleteIncidences( calendar, limitDate, widget, incidences, withGUI );
+    break;
+  case KOPrefs::actionArchive:
+    archiveIncidences( calendar, limitDate, widget, incidences, withGUI );
+    break;
+  }
+}
+
+void EventArchiver::deleteIncidences( Calendar* calendar, const QDate& limitDate, QWidget* widget, const Incidence::List& incidences, bool withGUI )
+{
+  QStringList incidenceStrs;
+  Incidence::List::ConstIterator it;
+  for( it = incidences.begin(); it != incidences.end(); ++it ) {
+    incidenceStrs.append( (*it)->summary() );
+  }
+
+  if ( withGUI ) {
+    int result = KMessageBox::warningContinueCancelList(
+      widget, i18n("Delete all items before %1 without saving?\n"
+                 "The following items will be deleted:")
+      .arg(KGlobal::locale()->formatDate(limitDate)), incidenceStrs,
+		 i18n("Delete Old Items"),KStdGuiItem::del());
+    if (result != KMessageBox::Continue)
+      return;
+  }
+  for( it = incidences.begin(); it != incidences.end(); ++it ) {
+    calendar->deleteIncidence( *it );
+  }
+  emit eventsDeleted();
+}
+
+void EventArchiver::archiveIncidences( Calendar* calendar, const QDate& /*limitDate*/, QWidget* widget, const Incidence::List& incidences, bool /*withGUI*/)
+{
+  FileStorage storage( calendar );
+
+  // Save current calendar to disk
+  KTempFile tmpFile;
+  tmpFile.setAutoDelete(true);
+  storage.setFileName( tmpFile.name() );
+  if ( !storage.save() ) {
+    kdDebug(5850) << "EventArchiver::archiveEvents(): Can't save calendar to temp file" << endl;
+    return;
+  }
+
+  // Duplicate current calendar by loading in new calendar object
+  CalendarLocal archiveCalendar( KOPrefs::instance()->mTimeZoneId );
+
+  FileStorage archiveStore( &archiveCalendar );
+  archiveStore.setFileName( tmpFile.name() );
+  if (!archiveStore.load()) {
+    kdDebug(5850) << "EventArchiver::archiveEvents(): Can't load calendar from temp file" << endl;
+    return;
+  }
+
+  // Strip active events from calendar so that only events to be archived
+  // remain. This is not really efficient, but there is no other easy way.
+  QStringList uids;
+  Incidence::List allIncidences = archiveCalendar.rawIncidences();
+  Incidence::List::ConstIterator it;
+  for( it = incidences.begin(); it != incidences.end(); ++it ) {
+    uids << (*it)->uid();
+  }
+  for( it = allIncidences.begin(); it != allIncidences.end(); ++it ) {
+    if ( !uids.contains( (*it)->uid() ) ) {
+      archiveCalendar.deleteIncidence( *it );
+    }
+  }
+
+  // Get or create the archive file
+  KURL archiveURL( KOPrefs::instance()->mArchiveFile );
+  QString archiveFile;
+
+  if ( KIO::NetAccess::exists( archiveURL, true, widget ) ) {
+    if( !KIO::NetAccess::download( archiveURL, archiveFile, widget ) ) {
+      kdDebug(5850) << "EventArchiver::archiveEvents(): Can't download archive file" << endl;
+      return;
+    }
+    // Merge with events to be archived.
+    archiveStore.setFileName( archiveFile );
+    if ( !archiveStore.load() ) {
+      kdDebug(5850) << "EventArchiver::archiveEvents(): Can't merge with archive file" << endl;
+      return;
+    }
+  } else {
+    archiveFile = tmpFile.name();
+  }
+
+  // Save archive calendar
+  if ( !archiveStore.save() ) {
+    KMessageBox::error(widget,i18n("Cannot write archive file %1.").arg( archiveStore.fileName() ));
+    return;
+  }
+
+  // Upload if necessary
+  KURL srcUrl;
+  srcUrl.setPath(archiveFile);
+  if (srcUrl != archiveURL) {
+    if ( !KIO::NetAccess::upload( archiveFile, archiveURL, widget ) ) {
+      KMessageBox::error(widget,i18n("Cannot write archive to final destination."));
+      return;
+    }
+  }
+
+  KIO::NetAccess::removeTempFile(archiveFile);
+
+  // Delete archived events from calendar
+  for( it = incidences.begin(); it != incidences.end(); ++it ) {
+    calendar->deleteIncidence( *it );
+  }
+  emit eventsDeleted();
+}
+
+#include "eventarchiver.moc"