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path: root/kolabformatV2/incidence.cpp
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/*
    This file is part of the kolab resource - the implementation of the
    Kolab storage format. See www.kolab.org for documentation on this.

    Copyright (c) 2004 Bo Thorsen <bo@sonofthor.dk>

    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.

    In addition, as a special exception, the copyright holders give
    permission to link the code of this program with any edition of
    the Qt library by Trolltech AS, Norway (or with modified versions
    of Qt that use the same license as Qt), 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
    Qt.  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 "incidence.h"
#include "libkolab-version.h"

#include <QList>

#include <kcalcore/journal.h>
#include <kdebug.h>
#include <kurl.h>

#include <QBitArray>
#include <string>
#include <boost/algorithm/string.hpp>

using namespace KolabV2;

Incidence::Incidence( const QString& tz, const KCalCore::Incidence::Ptr &incidence )
  : KolabBase( tz ), mFloatingStatus( Unset ), mHasAlarm( false ), mPriority( 0 )
{
  Q_UNUSED( incidence );
}

Incidence::~Incidence()
{
}

void Incidence::setPriority( int priority )
{
  mPriority = priority;
}

int Incidence::priority() const
{
  return mPriority;
}

void Incidence::setSummary( const QString& summary )
{
  mSummary = summary;
}

QString Incidence::summary() const
{
  return mSummary;
}

void Incidence::setLocation( const QString& location )
{
  mLocation = location;
}

QString Incidence::location() const
{
  return mLocation;
}

void Incidence::setOrganizer( const Email& organizer )
{
  mOrganizer = organizer;
}

KolabBase::Email Incidence::organizer() const
{
  return mOrganizer;
}

void Incidence::setStartDate( const KDateTime& startDate )
{
  mStartDate = startDate;
  if ( mFloatingStatus == AllDay )
    kDebug() <<"ERROR: Time on start date but no time on the event";
  mFloatingStatus = HasTime;
}

void Incidence::setStartDate( const QDate& startDate )
{
  mStartDate = KDateTime( startDate );
  if ( mFloatingStatus == HasTime )
    kDebug() <<"ERROR: No time on start date but time on the event";
  mFloatingStatus = AllDay;
}

void Incidence::setStartDate( const QString& startDate )
{
  if ( startDate.length() > 10 )
    // This is a date + time
    setStartDate( stringToDateTime( startDate ) );
  else
    // This is only a date
    setStartDate( stringToDate( startDate ) );
}

KDateTime Incidence::startDate() const
{
  return mStartDate;
}

void Incidence::setAlarm( float alarm )
{
  mAlarm = alarm;
  mHasAlarm = true;
}

float Incidence::alarm() const
{
  return mAlarm;
}

Incidence::Recurrence Incidence::recurrence() const
{
  return mRecurrence;
}

void Incidence::addAttendee( const Attendee& attendee )
{
  mAttendees.append( attendee );
}

QList<Incidence::Attendee>& Incidence::attendees()
{
  return mAttendees;
}

const QList<Incidence::Attendee>& Incidence::attendees() const
{
  return mAttendees;
}

void Incidence::setInternalUID( const QString& iuid )
{
  mInternalUID = iuid;
}

QString Incidence::internalUID() const
{
  return mInternalUID;
}

bool Incidence::loadAttendeeAttribute( QDomElement& element,
                                       Attendee& attendee )
{
  for ( QDomNode n = element.firstChild(); !n.isNull(); n = n.nextSibling() ) {
    if ( n.isComment() )
      continue;
    if ( n.isElement() ) {
      QDomElement e = n.toElement();
      QString tagName = e.tagName();

      if ( tagName == "display-name" )
        attendee.displayName = e.text();
      else if ( tagName == "smtp-address" )
        attendee.smtpAddress = e.text();
      else if ( tagName == "status" )
        attendee.status = e.text();
      else if ( tagName == "request-response" )
        // This sets reqResp to false, if the text is "false". Otherwise it
        // sets it to true. This means the default setting is true.
        attendee.requestResponse = ( e.text().toLower() != "false" );
      else if ( tagName == "invitation-sent" )
        // Like above, only this defaults to false
        attendee.invitationSent = ( e.text().toLower() != "true" );
      else if ( tagName == "role" )
        attendee.role = e.text();
      else if ( tagName == "delegated-to" )
        attendee.delegate = e.text();
      else if ( tagName == "delegated-from" )
        attendee.delegator = e.text();
      else
        // TODO: Unhandled tag - save for later storage
        kDebug() <<"Warning: Unhandled tag" << e.tagName();
    } else
      kDebug() <<"Node is not a comment or an element???";
  }

  return true;
}

void Incidence::saveAttendeeAttribute( QDomElement& element,
                                       const Attendee& attendee ) const
{
  QDomElement e = element.ownerDocument().createElement( "attendee" );
  element.appendChild( e );
  writeString( e, "display-name", attendee.displayName );
  writeString( e, "smtp-address", attendee.smtpAddress );
  writeString( e, "status", attendee.status );
  writeString( e, "request-response",
               ( attendee.requestResponse ? "true" : "false" ) );
  writeString( e, "invitation-sent",
               ( attendee.invitationSent ? "true" : "false" ) );
  writeString( e, "role", attendee.role );
  writeString( e, "delegated-to", attendee.delegate );
  writeString( e, "delegated-from", attendee.delegator );
}

void Incidence::saveAttendees( QDomElement& element ) const
{
  foreach ( const Attendee& attendee, mAttendees )
    saveAttendeeAttribute( element, attendee );
}

void Incidence::saveAttachments( QDomElement& element ) const
{
  foreach ( KCalCore::Attachment::Ptr a, mAttachments ) {
    if ( a->isUri() ) {
      writeString( element, "link-attachment", a->uri() );
    } else if ( a->isBinary() ) {
      writeString( element, "inline-attachment", a->label() );
    }
  }
}

void Incidence::saveAlarms( QDomElement& element ) const
{
  if ( mAlarms.isEmpty() ) return;

  QDomElement list = element.ownerDocument().createElement( "advanced-alarms" );
  element.appendChild( list );
  foreach ( KCalCore::Alarm::Ptr a, mAlarms ) {
    QDomElement e = list.ownerDocument().createElement( "alarm" );
    list.appendChild( e );

    writeString( e, "enabled", a->enabled() ? "1" : "0" );
    if ( a->hasStartOffset() ) {
      writeString( e, "start-offset", QString::number( a->startOffset().asSeconds()/60 ) );
    }
    if ( a->hasEndOffset() ) {
      writeString( e, "end-offset", QString::number( a->endOffset().asSeconds()/60 ) );
    }
    if ( a->repeatCount() ) {
      writeString( e, "repeat-count", QString::number( a->repeatCount() ) );
      writeString( e, "repeat-interval", QString::number( a->snoozeTime().asSeconds() ) );
    }

    switch ( a->type() ) {
    case KCalCore::Alarm::Invalid:
      break;
    case KCalCore::Alarm::Display:
      e.setAttribute( "type", "display" );
      writeString( e, "text", a->text() );
      break;
    case KCalCore::Alarm::Procedure:
      e.setAttribute( "type", "procedure" );
      writeString( e, "program", a->programFile() );
      writeString( e, "arguments", a->programArguments() );
      break;
    case KCalCore::Alarm::Email:
    {
      e.setAttribute( "type", "email" );
      QDomElement addresses = e.ownerDocument().createElement( "addresses" );
      e.appendChild( addresses );
      foreach ( const KCalCore::Person::Ptr &person, a->mailAddresses() ) {
        writeString( addresses, "address", person->fullName() );
      }
      writeString( e, "subject", a->mailSubject() );
      writeString( e, "mail-text", a->mailText() );
      QDomElement attachments = e.ownerDocument().createElement( "attachments" );
      e.appendChild( attachments );
      foreach ( const QString &attachment, a->mailAttachments() ) {
        writeString( attachments, "attachment", attachment );
      }
      break;
    }
    case KCalCore::Alarm::Audio:
      e.setAttribute( "type", "audio" );
      writeString( e, "file", a->audioFile() );
      break;
    default:
      kWarning() << "Unhandled alarm type:" << a->type();
      break;
    }
  }
}

void Incidence::saveRecurrence( QDomElement& element ) const
{
  QDomElement e = element.ownerDocument().createElement( "recurrence" );
  element.appendChild( e );
  e.setAttribute( "cycle", mRecurrence.cycle );
  if ( !mRecurrence.type.isEmpty() )
    e.setAttribute( "type", mRecurrence.type );
  writeString( e, "interval", QString::number( mRecurrence.interval ) );
  foreach ( const QString& recurrence, mRecurrence.days ) {
    writeString( e, "day", recurrence );
  }
  if ( !mRecurrence.dayNumber.isEmpty() )
    writeString( e, "daynumber", mRecurrence.dayNumber );
  if ( !mRecurrence.month.isEmpty() )
    writeString( e, "month", mRecurrence.month );
  if ( !mRecurrence.rangeType.isEmpty() ) {
    QDomElement range = element.ownerDocument().createElement( "range" );
    e.appendChild( range );
    range.setAttribute( "type", mRecurrence.rangeType );
    QDomText t = element.ownerDocument().createTextNode( mRecurrence.range );
    range.appendChild( t );
  }
  foreach ( const QDate& date, mRecurrence.exclusions ) {
    writeString( e, "exclusion", dateToString( date ) );
  }
}

void Incidence::loadRecurrence( const QDomElement& element )
{
  mRecurrence.interval = 0;
  mRecurrence.cycle = element.attribute( "cycle" );
  mRecurrence.type = element.attribute( "type" );
  for ( QDomNode n = element.firstChild(); !n.isNull(); n = n.nextSibling() ) {
    if ( n.isComment() )
      continue;
    if ( n.isElement() ) {
      QDomElement e = n.toElement();
      QString tagName = e.tagName();
      if ( tagName == "interval" ) {
        //kolab/issue4229, sometimes  the interval value can be empty
        if ( e.text().isEmpty() || e.text().toInt() <= 0 ) {
          mRecurrence.interval = 1;
        } else {
          mRecurrence.interval = e.text().toInt();
        }
      }
      else if ( tagName == "day" ) // can be present multiple times
        mRecurrence.days.append( e.text() );
      else if ( tagName == "daynumber" )
        mRecurrence.dayNumber = e.text();
      else if ( tagName == "month" )
        mRecurrence.month = e.text();
      else if ( tagName == "range" ) {
        mRecurrence.rangeType = e.attribute( "type" );
        mRecurrence.range = e.text();
      } else if ( tagName == "exclusion" ) {
        std::string exclusionDate = e.text().toStdString();
        // need to fix the date, eg. 2013-1-1 to ISO format 2013-01-01
        if (exclusionDate.length() != 10) {
          std::vector<std::string> strs;
          boost::split(strs, exclusionDate, boost::is_any_of("-"));
          char buff[100];
          sprintf(buff, "%04d-%02d-%02d",
              QString::fromStdString(strs[0]).toInt(),
              QString::fromStdString(strs[1]).toInt(),
              QString::fromStdString(strs[2]).toInt()
            );
          exclusionDate = buff;
        }
        mRecurrence.exclusions.append( stringToDate( QString::fromStdString(exclusionDate) ) );
      } else
        // TODO: Unhandled tag - save for later storage
        kDebug() <<"Warning: Unhandled tag" << e.tagName();
    }
  }
}

static void loadAddressesHelper( const QDomElement& element, const KCalCore::Alarm::Ptr &a )
{
  for ( QDomNode n = element.firstChild(); !n.isNull(); n = n.nextSibling() ) {
    if ( n.isComment() )
      continue;
    if ( n.isElement() ) {
      QDomElement e = n.toElement();
      QString tagName = e.tagName();

      if ( tagName == "address" ) {
        a->addMailAddress( KCalCore::Person::fromFullName( e.text() ) );
      } else {
        kWarning() << "Unhandled tag" << tagName;
      }
    }
  }
}

static void loadAttachmentsHelper( const QDomElement& element, const KCalCore::Alarm::Ptr &a )
{
  for ( QDomNode n = element.firstChild(); !n.isNull(); n = n.nextSibling() ) {
    if ( n.isComment() )
      continue;
    if ( n.isElement() ) {
      QDomElement e = n.toElement();
      QString tagName = e.tagName();

      if ( tagName == "attachment" ) {
        a->addMailAttachment( e.text() );
      } else {
        kWarning() << "Unhandled tag" << tagName;
      }
    }
  }
}

static void loadAlarmHelper( const QDomElement& element, const KCalCore::Alarm::Ptr &a )
{
  for ( QDomNode n = element.firstChild(); !n.isNull(); n = n.nextSibling() ) {
    if ( n.isComment() )
      continue;
    if ( n.isElement() ) {
      QDomElement e = n.toElement();
      QString tagName = e.tagName();

      if ( tagName == "start-offset" ) {
        a->setStartOffset( e.text().toInt()*60 );
      } else if ( tagName == "end-offset" ) {
        a->setEndOffset( e.text().toInt()*60 );
      } else if ( tagName == "repeat-count" ) {
        a->setRepeatCount( e.text().toInt() );
      } else if ( tagName == "repeat-interval" ) {
        a->setSnoozeTime( e.text().toInt() );
      } else if ( tagName == "text" ) {
        a->setText( e.text() );
      } else if ( tagName == "program" ) {
        a->setProgramFile( e.text() );
      } else if ( tagName == "arguments" ) {
        a->setProgramArguments( e.text() );
      } else if ( tagName == "addresses" ) {
        loadAddressesHelper( e, a );
      } else if ( tagName == "subject" ) {
        a->setMailSubject( e.text() );
      } else if ( tagName == "mail-text" ) {
        a->setMailText( e.text() );
      } else if ( tagName == "attachments" ) {
        loadAttachmentsHelper( e, a );
      } else if ( tagName == "file" ) {
        a->setAudioFile( e.text() );
      } else if ( tagName == "enabled" ) {
        a->setEnabled( e.text().toInt() != 0 );
      } else {
        kWarning() << "Unhandled tag" << tagName;
      }
    }
  }
}

void Incidence::loadAlarms( const QDomElement& element )
{
  for ( QDomNode n = element.firstChild(); !n.isNull(); n = n.nextSibling() ) {
    if ( n.isComment() )
      continue;
    if ( n.isElement() ) {
      QDomElement e = n.toElement();
      QString tagName = e.tagName();

      if ( tagName == "alarm" ) {
        KCalCore::Alarm::Ptr a = KCalCore::Alarm::Ptr( new KCalCore::Alarm( 0 ) );
        a->setEnabled( true ); // default to enabled, unless some XML attribute says otherwise.
        QString type = e.attribute( "type" );
        if ( type == "display" ) {
          a->setType( KCalCore::Alarm::Display );
        } else if ( type == "procedure" ) {
          a->setType( KCalCore::Alarm::Procedure );
        } else if ( type == "email" ) {
          a->setType( KCalCore::Alarm::Email );
        } else if ( type == "audio" ) {
          a->setType( KCalCore::Alarm::Audio );
        } else {
          kWarning() << "Unhandled alarm type:" << type;
        }

        loadAlarmHelper( e, a );
        mAlarms << a;
      } else {
        kWarning() << "Unhandled tag" << tagName;
      }
    }
  }
}

bool Incidence::loadAttribute( QDomElement& element )
{
  QString tagName = element.tagName();

  if ( tagName == "priority" ) {
    bool ok;
    int p = element.text().toInt( &ok );
    if ( !ok || p < 1 || p > 9 ) {
      kWarning() << "Invalid \"priority\" value:" << element.text();
    } else {
      setPriority( p );
    }
  } else if ( tagName == "x-kcal-priority" ) { //for backwards compat
    bool ok;
    int p = element.text().toInt( &ok );
    if ( !ok || p < 0 || p > 9 ) {
      kWarning() << "Invalid \"x-kcal-priority\" value:" << element.text();
    } else {
      if ( priority() == 0 ) {
        setPriority(p);
      }
    }
  } else if ( tagName == "summary" )
    setSummary( element.text() );
  else if ( tagName == "location" )
    setLocation( element.text() );
  else if ( tagName == "organizer" ) {
    Email email;
    if ( loadEmailAttribute( element, email ) ) {
      setOrganizer( email );
      return true;
    } else
      return false;
  } else if ( tagName == "start-date" )
    setStartDate( element.text() );
  else if ( tagName == "recurrence" )
    loadRecurrence( element );
  else if ( tagName == "attendee" ) {
    Attendee attendee;
    if ( loadAttendeeAttribute( element, attendee ) ) {
      addAttendee( attendee );
      return true;
    } else
      return false;
  } else if ( tagName == "link-attachment" ) {
    mAttachments.push_back( KCalCore::Attachment::Ptr( new KCalCore::Attachment( element.text() ) ) );
  } else if ( tagName == "alarm" )
    // Alarms should be minutes before. Libkcal uses event time + alarm time
    setAlarm( - element.text().toInt() );
  else if ( tagName == "advanced-alarms" )
    loadAlarms( element );
  else if ( tagName == "x-kde-internaluid" )
    setInternalUID( element.text() );
  else if ( tagName == "x-custom" ) {
    loadCustomAttributes( element );
  } else if ( tagName == "inline-attachment"  ) {
    // we handle that separately later on, so no need to create a KolabUnhandled entry for it
  } else {
    bool ok = KolabBase::loadAttribute( element );
    if ( !ok ) {
        // Unhandled tag - save for later storage
        kDebug() <<"Saving unhandled tag" << element.tagName();
        Custom c;
        c.key = QByteArray( "X-KDE-KolabUnhandled-" ) + element.tagName().toLatin1();
        c.value = element.text();
        mCustomList.append( c );
    }
  }
  // We handled this
  return true;
}

bool Incidence::saveAttributes( QDomElement& element ) const
{
  // Save the base class elements
  KolabBase::saveAttributes( element );

  if (priority() != 0) {
    writeString( element, "priority", QString::number( priority() ) );
  }

  if ( mFloatingStatus == HasTime )
    writeString( element, "start-date", dateTimeToString( startDate() ) );
  else
    writeString( element, "start-date", dateToString( startDate().date() ) );
  writeString( element, "summary", summary() );
  writeString( element, "location", location() );
  saveEmailAttribute( element, organizer(), "organizer" );
  if ( !mRecurrence.cycle.isEmpty() )
    saveRecurrence( element );
  saveAttendees( element );
  saveAttachments( element );
  if ( mHasAlarm ) {
    // Alarms should be minutes before. Libkcal uses event time + alarm time
    int alarmTime = qRound( -alarm() );
    writeString( element, "alarm", QString::number( alarmTime ) );
  }
  saveAlarms( element );
  writeString( element, "x-kde-internaluid", internalUID() );
  saveCustomAttributes( element );
  return true;
}

void Incidence::saveCustomAttributes( QDomElement& element ) const
{
  foreach ( const Custom& custom, mCustomList ) {
    QString key( custom.key );
    Q_ASSERT( !key.isEmpty() );
    if ( key.startsWith( QLatin1String( "X-KDE-KolabUnhandled-" ) ) ) {
      key = key.mid( strlen( "X-KDE-KolabUnhandled-" ) );
      writeString( element, key, custom.value );
    } else {
      // Let's use attributes so that other tag-preserving-code doesn't need sub-elements
      QDomElement e = element.ownerDocument().createElement( "x-custom" );
      element.appendChild( e );
      e.setAttribute( "key", key );
      e.setAttribute( "value", custom.value );
    }
  }
}

void Incidence::loadCustomAttributes( QDomElement& element )
{
  Custom custom;
  custom.key = element.attribute( "key" ).toLatin1();
  custom.value = element.attribute( "value" );
  mCustomList.append( custom );
}

static KCalCore::Attendee::PartStat attendeeStringToStatus( const QString& s )
{
  if ( s == "none" )
    return KCalCore::Attendee::NeedsAction;
  if ( s == "tentative" )
    return KCalCore::Attendee::Tentative;
  if ( s == "declined" )
    return KCalCore::Attendee::Declined;
  if ( s == "delegated" )
    return KCalCore::Attendee::Delegated;

  // Default:
  return KCalCore::Attendee::Accepted;
}

static QString attendeeStatusToString( KCalCore::Attendee::PartStat status )
{
  switch( status ) {
  case KCalCore::Attendee::NeedsAction:
    return "none";
  case KCalCore::Attendee::Accepted:
    return "accepted";
  case KCalCore::Attendee::Declined:
    return "declined";
  case KCalCore::Attendee::Tentative:
    return "tentative";
  case KCalCore::Attendee::Delegated:
    return "delegated";
  case KCalCore::Attendee::Completed:
  case KCalCore::Attendee::InProcess:
    // These don't have any meaning in the Kolab format, so just use:
    return "accepted";
  default:
    // Default for the case that there are more added later:
    return "accepted";
  }
}

static KCalCore::Attendee::Role attendeeStringToRole( const QString& s )
{
  if ( s == "optional" )
    return KCalCore::Attendee::OptParticipant;
  if ( s == "resource" )
    return KCalCore::Attendee::NonParticipant;
  return KCalCore::Attendee::ReqParticipant;
}

static QString attendeeRoleToString( KCalCore::Attendee::Role role )
{
  switch( role ) {
  case KCalCore::Attendee::ReqParticipant:
    return "required";
  case KCalCore::Attendee::OptParticipant:
    return "optional";
  case KCalCore::Attendee::Chair:
    // We don't have the notion of chair, so use
    return "required";
  case KCalCore::Attendee::NonParticipant:
    // In Kolab, a non-participant is a resource
    return "resource";
  }

  // Default for the case that there are more added later:
  return "required";
}

static const char *s_weekDayName[] =
{
  "monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday"
};

static const char *s_monthName[] =
{
  "january", "february", "march", "april", "may", "june", "july",
  "august", "september", "october", "november", "december"
};

void Incidence::setRecurrence( KCalCore::Recurrence* recur )
{
  mRecurrence.interval = recur->frequency();
  switch ( recur->recurrenceType() ) {
  case KCalCore::Recurrence::rMinutely: // Not handled by the kolab XML
    mRecurrence.cycle = "minutely";
    break;
  case KCalCore::Recurrence::rHourly:  // Not handled by the kolab XML
    mRecurrence.cycle = "hourly";
    break;
  case KCalCore::Recurrence::rDaily:
    mRecurrence.cycle = "daily";
    break;
  case KCalCore::Recurrence::rWeekly: // every X weeks
    mRecurrence.cycle = "weekly";
    {
      QBitArray arr = recur->days();
      for ( uint idx = 0 ; idx < 7 ; ++idx )
        if ( arr.testBit( idx ) )
          mRecurrence.days.append( s_weekDayName[idx] );
    }
    break;
  case KCalCore::Recurrence::rMonthlyPos: {
    mRecurrence.cycle = "monthly";
    mRecurrence.type = "weekday";
    QList<KCalCore::RecurrenceRule::WDayPos> monthPositions = recur->monthPositions();
    if ( !monthPositions.isEmpty() ) {
      KCalCore::RecurrenceRule::WDayPos monthPos = monthPositions.first();
      // TODO: Handle multiple days in the same week
      mRecurrence.dayNumber = QString::number( monthPos.pos() );
      mRecurrence.days.append( s_weekDayName[ monthPos.day()-1 ] );
        // Not (properly) handled(?): monthPos.negative (nth days before end of month)
    }
    break;
  }
  case KCalCore::Recurrence::rMonthlyDay: {
    mRecurrence.cycle = "monthly";
    mRecurrence.type = "daynumber";
    QList<int> monthDays = recur->monthDays();
    // ####### Kolab XML limitation: only the first month day is used
    if ( !monthDays.isEmpty() )
      mRecurrence.dayNumber = QString::number( monthDays.first() );
    break;
  }
  case KCalCore::Recurrence::rYearlyMonth: // (day n of Month Y)
  {
    mRecurrence.cycle = "yearly";
    mRecurrence.type = "monthday";
    QList<int> rmd = recur->yearDates();
    int day = !rmd.isEmpty() ? rmd.first() : recur->startDate().day();
    mRecurrence.dayNumber = QString::number( day );
    QList<int> months = recur->yearMonths();
    if ( !months.isEmpty() )
      mRecurrence.month = s_monthName[ months.first() - 1 ]; // #### Kolab XML limitation: only one month specified
    break;
  }
  case KCalCore::Recurrence::rYearlyDay: // YearlyDay (day N of the year). Not supported by Outlook
    mRecurrence.cycle = "yearly";
    mRecurrence.type = "yearday";
    mRecurrence.dayNumber = QString::number( recur->yearDays().first() );
    break;
  case KCalCore::Recurrence::rYearlyPos: // (weekday X of week N of month Y)
    mRecurrence.cycle = "yearly";
    mRecurrence.type = "weekday";
    QList<int> months = recur->yearMonths();
    if ( !months.isEmpty() )
      mRecurrence.month = s_monthName[ months.first() - 1 ]; // #### Kolab XML limitation: only one month specified
    QList<KCalCore::RecurrenceRule::WDayPos> monthPositions = recur->yearPositions();
    if ( !monthPositions.isEmpty() ) {
      KCalCore::RecurrenceRule::WDayPos monthPos = monthPositions.first();
      // TODO: Handle multiple days in the same week
      mRecurrence.dayNumber = QString::number( monthPos.pos() );
      mRecurrence.days.append( s_weekDayName[ monthPos.day()-1 ] );

      //mRecurrence.dayNumber = QString::number( *recur->yearNums().getFirst() );
      // Not handled: monthPos.negative (nth days before end of month)
    }
    break;
  }
  int howMany = recur->duration();
  if ( howMany > 0 ) {
    mRecurrence.rangeType = "number";
    mRecurrence.range = QString::number( howMany );
  } else if ( howMany == 0 ) {
    mRecurrence.rangeType = "date";
    mRecurrence.range = dateToString( recur->endDate() );
  } else {
    mRecurrence.rangeType = "none";
  }
}

void Incidence::setFields( const KCalCore::Incidence::Ptr &incidence )
{
  KolabBase::setFields( incidence );

  setPriority( incidence->priority() );
  if ( incidence->allDay() ) {
    // This is a all-day event. Don't timezone move this one
    mFloatingStatus = AllDay;
    setStartDate( incidence->dtStart().date() );
  } else {
    mFloatingStatus = HasTime;
    setStartDate( localToUTC( incidence->dtStart() ) );
  }

  setSummary( incidence->summary() );
  setLocation( incidence->location() );

  // Alarm
  mHasAlarm = false; // Will be set to true, if we actually have one
  if ( incidence->hasEnabledAlarms() ) {
    const KCalCore::Alarm::List& alarms = incidence->alarms();
    if ( !alarms.isEmpty() ) {
      const KCalCore::Alarm::Ptr alarm = alarms.first();
      if ( alarm->hasStartOffset() ) {
        int dur = alarm->startOffset().asSeconds();
        setAlarm( (float)dur / 60.0 );
      }
    }
  }

  if (incidence->organizer()) {
    Email org( incidence->organizer()->name(), incidence->organizer()->email() );
    setOrganizer( org );
  }

  // Attendees:
  KCalCore::Attendee::List attendees = incidence->attendees();
  foreach ( KCalCore::Attendee::Ptr kcalAttendee, attendees ) {
    Attendee attendee;

    attendee.displayName = kcalAttendee->name();
    attendee.smtpAddress = kcalAttendee->email();
    attendee.status = attendeeStatusToString( kcalAttendee->status() );
    attendee.requestResponse = kcalAttendee->RSVP();
    // TODO: KCalCore::Attendee::mFlag is not accessible
    // attendee.invitationSent = kcalAttendee->mFlag;
    // DF: Hmm? mFlag is set to true and never used at all.... Did you mean another field?
    attendee.role = attendeeRoleToString( kcalAttendee->role() );
    attendee.delegate = kcalAttendee->delegate();
    attendee.delegator = kcalAttendee->delegator();

    addAttendee( attendee );
  }

  mAttachments.clear();

  // Attachments
  KCalCore::Attachment::List attachments = incidence->attachments();
  foreach ( KCalCore::Attachment::Ptr a, attachments ) {
    mAttachments.push_back( a );
  }

  mAlarms.clear();

  // Alarms
  KCalCore::Alarm::List alarms = incidence->alarms();
  foreach ( KCalCore::Alarm::Ptr a, alarms ) {
    mAlarms.push_back( a );
  }

  if ( incidence->recurs() ) {
    setRecurrence( incidence->recurrence() );
    mRecurrence.exclusions = incidence->recurrence()->exDates();
  }

  // Handle the scheduling ID
  if ( incidence->schedulingID() == incidence->uid() ) {
    // There is no scheduling ID
    setInternalUID( QString::null );	//krazy:exclude=nullstrassign for old broken gcc
  } else {
    // We've internally been using a different uid, so save that as the
    // temporary (internal) uid and restore the original uid, the one that
    // is used in the folder and the outside world
    setUid( incidence->schedulingID() );
    setInternalUID( incidence->uid() );
  }

  // Unhandled tags and other custom properties (see libkcal/customproperties.h)
  const QMap<QByteArray, QString> map = incidence->customProperties();
  QMap<QByteArray, QString>::ConstIterator cit = map.begin();
  for ( ; cit != map.end() ; ++cit ) {
    Custom c;
    c.key = cit.key();
    c.value = cit.value();
    mCustomList.append( c );
  }
}

static QBitArray daysListToBitArray( const QStringList& days )
{
  QBitArray arr( 7 );
  arr.fill( false );
  foreach ( const QString& day, days ) {
    for ( uint i = 0; i < 7 ; ++i )
      if ( day == s_weekDayName[i] )
        arr.setBit( i, true );
  }
  return arr;
}


void Incidence::saveTo( const KCalCore::Incidence::Ptr &incidence )
{
  KolabBase::saveTo( incidence );

  incidence->setPriority( priority() );
  if ( mFloatingStatus == AllDay ) {
    // This is an all-day event. Don't timezone move this one
    incidence->setDtStart( startDate() );
    incidence->setAllDay( true );
  } else {
    incidence->setDtStart( utcToLocal( startDate() ) );
    incidence->setAllDay( false );
  }

  incidence->setSummary( summary() );
  incidence->setLocation( location() );

  if ( mHasAlarm && mAlarms.isEmpty() ) {
    KCalCore::Alarm::Ptr alarm = incidence->newAlarm();
    alarm->setStartOffset( qRound( mAlarm * 60.0 ) );
    alarm->setEnabled( true );
    alarm->setType( KCalCore::Alarm::Display );
  } else if ( !mAlarms.isEmpty() ) {
    foreach ( KCalCore::Alarm::Ptr a, mAlarms ) {
      a->setParent( incidence.data() );
      incidence->addAlarm( a );
    }
  }

  if ( organizer().displayName.isEmpty() )
    incidence->setOrganizer( organizer().smtpAddress );
  else
    incidence->setOrganizer( organizer().displayName + '<'
                             + organizer().smtpAddress + '>' );

  incidence->clearAttendees();
  foreach ( const Attendee& attendee, mAttendees ) {
    KCalCore::Attendee::PartStat status = attendeeStringToStatus( attendee.status );
    KCalCore::Attendee::Role role = attendeeStringToRole( attendee.role );
    KCalCore::Attendee::Ptr a( new KCalCore::Attendee( attendee.displayName,
                                            attendee.smtpAddress,
                                            attendee.requestResponse,
                                            status, role ) );
    a->setDelegate( attendee.delegate );
    a->setDelegator( attendee.delegator );
    incidence->addAttendee( a );
  }

  incidence->clearAttachments();
  foreach ( KCalCore::Attachment::Ptr a, mAttachments ) {
    // TODO should we copy?
    incidence->addAttachment( a );
  }

  if ( !mRecurrence.cycle.isEmpty() ) {
    KCalCore::Recurrence* recur = incidence->recurrence(); // yeah, this creates it
    // done below recur->setFrequency( mRecurrence.interval );
    if ( mRecurrence.cycle == "minutely" ) {
      recur->setMinutely( mRecurrence.interval );
    } else if ( mRecurrence.cycle == "hourly" ) {
      recur->setHourly( mRecurrence.interval );
    } else if ( mRecurrence.cycle == "daily" ) {
      recur->setDaily( mRecurrence.interval );
    } else if ( mRecurrence.cycle == "weekly" ) {
      QBitArray rDays = daysListToBitArray( mRecurrence.days );
      recur->setWeekly( mRecurrence.interval, rDays );
    } else if ( mRecurrence.cycle == "monthly" ) {
      recur->setMonthly( mRecurrence.interval );
      if ( mRecurrence.type == "weekday" ) {
        recur->addMonthlyPos( mRecurrence.dayNumber.toInt(), daysListToBitArray( mRecurrence.days ) );
      } else if ( mRecurrence.type == "daynumber" ) {
        recur->addMonthlyDate( mRecurrence.dayNumber.toInt() );
      } else kWarning() <<"Unhandled monthly recurrence type" << mRecurrence.type;
    } else if ( mRecurrence.cycle == "yearly" ) {
      recur->setYearly( mRecurrence.interval );
      if ( mRecurrence.type == "monthday" ) {
        recur->addYearlyDate( mRecurrence.dayNumber.toInt() );
				for ( int i = 0; i < 12; ++i )
          if ( s_monthName[ i ] == mRecurrence.month )
            recur->addYearlyMonth( i+1 );
      } else if ( mRecurrence.type == "yearday" ) {
        recur->addYearlyDay( mRecurrence.dayNumber.toInt() );
      } else if ( mRecurrence.type == "weekday" ) {
			  for ( int i = 0; i < 12; ++i )
          if ( s_monthName[ i ] == mRecurrence.month )
            recur->addYearlyMonth( i+1 );
        recur->addYearlyPos( mRecurrence.dayNumber.toInt(), daysListToBitArray( mRecurrence.days ) );
      } else kWarning() <<"Unhandled yearly recurrence type" << mRecurrence.type;
    } else kWarning() <<"Unhandled recurrence cycle" << mRecurrence.cycle;

    if ( mRecurrence.rangeType == "number" ) {
      recur->setDuration( mRecurrence.range.toInt() );
    } else if ( mRecurrence.rangeType == "date" ) {
      recur->setEndDate( stringToDate( mRecurrence.range ) );
    } // "none" is default since tje set*ly methods set infinite recurrence

    incidence->recurrence()->setExDates( mRecurrence.exclusions );

  }
  /* If we've stored a uid to be used internally instead of the real one
   * (to deal with duplicates of events in different folders) before, then
   * restore it, so it does not change. Keep the original uid around for
   * scheduling purposes. */
  if ( !internalUID().isEmpty() ) {
    incidence->setUid( internalUID() );
    incidence->setSchedulingID( uid() );
  }

  foreach ( const Custom& custom, mCustomList ) {
    incidence->setNonKDECustomProperty( custom.key, custom.value );
  }

}

QString Incidence::productID() const
{
  return QString( "%1, Kolab resource" ).arg( LIBKOLAB_LIB_VERSION_STRING );
}

// Unhandled KCalCore::Incidence fields:
// revision, status (unused), attendee.uid,
// mComments, mReadOnly