kcalconversion.cpp
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kcalconversion.cpp
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	/*
	* Copyright (C) 2011 Christian Mollekopf <mollekopf@kolabsys.com>
	*
	* This program is free software: you can redistribute it and/or modify
	* it under the terms of the GNU Lesser General Public License as published by
	* the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public License
	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	*/

	#include "kcalconversion.h"

	#include <kcalcore/recurrence.h>
	#include <QtCore/QBitArray>
	#include <QtCore/QVector>
	#include <QtCore/QDebug>
	#include <QUrl>
	#include <vector>

	#include "kolabformat/errorhandler.h"
	#include "commonconversion.h"

	namespace Kolab {
	namespace Conversion {

	//The uid of a contact which refers to the uuid of a contact in the addressbook
	#define CUSTOM_KOLAB_CONTACT_UUID "X_KOLAB_CONTACT_UUID"
	#define CUSTOM_KOLAB_CONTACT_CUTYPE "X_KOLAB_CONTACT_CUTYPE"

	KCalCore::Duration toDuration(const Kolab::Duration &d)
	{
	int value = 0;
	if (d.hours() \|\| d.minutes() \|\| d.seconds()) {
	value = ((((d.weeks() * 7 + d.days()) * 24 + d.hours()) * 60 + d.minutes()) * 60 + d.seconds());
	if (d.isNegative()) {
	value = -value;
	}
	return KCalCore::Duration(value);
	}
	value = d.weeks() * 7 + d.days();
	if (d.isNegative()) {
	value = -value;
	}
	return KCalCore::Duration(value, KCalCore::Duration::Days);
	}

	Kolab::Duration fromDuration(const KCalCore::Duration &d)
	{
	int value = d.value();
	bool isNegative = false;
	if (value < 0) {
	isNegative = true;
	value = -value;
	}
	//We don't know how the seconds/days were distributed before, so no point in distributing them (probably)
	if (d.isDaily()) {
	int days = value;
	return Kolab::Duration(days, 0, 0, 0, isNegative);
	}
	int seconds = value;
	// int minutes = seconds / 60;
	// seconds = seconds % 60;
	// int hours = minutes / 60;
	// minutes = minutes % 60;
	return Kolab::Duration(0, 0, 0, seconds, isNegative);

	}

	KCalCore::Incidence::Secrecy toSecrecy(Kolab::Classification c)
	{
	switch(c) {
	case Kolab::ClassPublic:
	return KCalCore::Incidence::SecrecyPublic;
	case Kolab::ClassPrivate:
	return KCalCore::Incidence::SecrecyPrivate;
	case Kolab::ClassConfidential:
	return KCalCore::Incidence::SecrecyConfidential;
	default:
	Error() << "unhandled";
	Q_ASSERT(0);
	}
	return KCalCore::Incidence::SecrecyPublic;
	}

	Kolab::Classification fromSecrecy(KCalCore::Incidence::Secrecy c)
	{
	switch(c) {
	case KCalCore::Incidence::SecrecyPublic:
	return Kolab::ClassPublic;
	case KCalCore::Incidence::SecrecyPrivate:
	return Kolab::ClassPrivate;
	case KCalCore::Incidence::SecrecyConfidential:
	return Kolab::ClassConfidential;
	default:
	Error() << "unhandled";
	Q_ASSERT(0);
	}
	return Kolab::ClassPublic;
	}

	int toPriority(int priority)
	{
	//Same mapping
	return priority;
	}

	int fromPriority(int priority)
	{
	//Same mapping
	return priority;
	}

	KCalCore::Incidence::Status toStatus(Kolab::Status s)
	{
	switch (s) {
	case StatusUndefined:
	return KCalCore::Incidence::StatusNone;
	case StatusNeedsAction:
	return KCalCore::Incidence::StatusNeedsAction;
	case StatusCompleted:
	return KCalCore::Incidence::StatusCompleted;
	case StatusInProcess:
	return KCalCore::Incidence::StatusInProcess;
	case StatusCancelled:
	return KCalCore::Incidence::StatusCanceled;
	case StatusTentative:
	return KCalCore::Incidence::StatusTentative;
	case StatusConfirmed:
	return KCalCore::Incidence::StatusConfirmed;
	case StatusDraft:
	return KCalCore::Incidence::StatusDraft;
	case StatusFinal:
	return KCalCore::Incidence::StatusFinal;
	default:
	Error() << "unhandled";
	Q_ASSERT(0);
	}
	return KCalCore::Incidence::StatusNone;
	}

	Kolab::Status fromStatus(KCalCore::Incidence::Status s)
	{
	switch (s) {
	case KCalCore::Incidence::StatusNone:
	return StatusUndefined;
	case KCalCore::Incidence::StatusNeedsAction:
	return StatusNeedsAction;
	case KCalCore::Incidence::StatusCompleted:
	return StatusCompleted;
	case KCalCore::Incidence::StatusInProcess:
	return StatusInProcess;
	case KCalCore::Incidence::StatusCanceled:
	return StatusCancelled;
	case KCalCore::Incidence::StatusTentative:
	return StatusTentative;
	case KCalCore::Incidence::StatusConfirmed:
	return StatusConfirmed;
	case KCalCore::Incidence::StatusDraft:
	return StatusDraft;
	case KCalCore::Incidence::StatusFinal:
	return StatusFinal;
	default:
	Error() << "unhandled";
	Q_ASSERT(0);
	}
	return StatusUndefined;
	}

	KCalCore::Attendee::PartStat toPartStat(Kolab::PartStatus p)
	{
	switch (p) {
	case PartNeedsAction:
	return KCalCore::Attendee::NeedsAction;
	case PartAccepted:
	return KCalCore::Attendee::Accepted;
	case PartDeclined:
	return KCalCore::Attendee::Declined;
	case PartTentative:
	return KCalCore::Attendee::Tentative;
	case PartDelegated:
	return KCalCore::Attendee::Delegated;
	default:
	Error() << "unhandled";
	Q_ASSERT(0);
	}
	return KCalCore::Attendee::NeedsAction;
	}

	Kolab::PartStatus fromPartStat(KCalCore::Attendee::PartStat p)
	{
	switch (p) {
	case KCalCore::Attendee::NeedsAction:
	return PartNeedsAction;
	case KCalCore::Attendee::Accepted:
	return PartAccepted;
	case KCalCore::Attendee::Declined:
	return PartDeclined;
	case KCalCore::Attendee::Tentative:
	return PartTentative;
	case KCalCore::Attendee::Delegated:
	return PartDelegated;
	default:
	Error() << "unhandled";
	Q_ASSERT(0);
	}
	return PartNeedsAction;
	}

	KCalCore::Attendee::Role toRole(Kolab::Role r)
	{
	switch (r) {
	case Required:
	return KCalCore::Attendee::ReqParticipant;
	case Chair:
	return KCalCore::Attendee::Chair;
	case Optional:
	return KCalCore::Attendee::OptParticipant;
	case NonParticipant:
	return KCalCore::Attendee::NonParticipant;
	default:
	Error() << "unhandled";
	Q_ASSERT(0);
	}
	return KCalCore::Attendee::ReqParticipant;
	}

	Kolab::Role fromRole(KCalCore::Attendee::Role r)
	{
	switch (r) {
	case KCalCore::Attendee::ReqParticipant:
	return Required;
	case KCalCore::Attendee::Chair:
	return Chair;
	case KCalCore::Attendee::OptParticipant:
	return Optional;
	case KCalCore::Attendee::NonParticipant:
	return NonParticipant;
	default:
	Error() << "unhandled";
	Q_ASSERT(0);
	}
	return Required;
	}

	template <typename T>
	QString getCustomProperty(const QString &id, const T &e)
	{
	std::vector<CustomProperty> &props = e.customProperties();
	foreach (const CustomProperty &p, props) {
	if (QString::fromStdString(p.identifier) == id) {
	return QString::fromStdString(p.value);
	}
	}
	}

	template <typename T>
	void setIncidence(KCalCore::Incidence &i, const T &e)
	{
	if (!e.uid().empty()) {
	i.setUid(QString::fromStdString(e.uid()));
	}

	i.setCreated(toDate(e.created()));
	i.setLastModified(toDate(e.lastModified()));
	i.setRevision(e.sequence());
	i.setSecrecy(toSecrecy(e.classification()));
	i.setCategories(toStringList(e.categories()));

	if (e.start().isValid()) {
	i.setDtStart(toDate(e.start()));
	}

	i.setSummary(QString::fromStdString(e.summary())); //TODO detect richtext
	i.setDescription(QString::fromStdString(e.description())); //TODO detect richtext
	i.setStatus(toStatus(e.status()));
	foreach (const Kolab::Attendee a, e.attendees()) {
	/*
	* KCalCore always sets a UID if empty, but that's just a pointer, and not the uid of a real contact.
	* Since that means the semantics of the two are different, we have to store the kolab uid as a custom property.
	*/
	KCalCore::Attendee::Ptr attendee = KCalCore::Attendee::Ptr(new KCalCore::Attendee(QString::fromStdString(a.contact().name()),
	QString::fromStdString(a.contact().email()),
	a.rsvp(),
	toPartStat(a.partStat()),
	toRole(a.role()) ));
	if (!a.contact().uid().empty()) { //TODO Identify contact from addressbook based on uid
	attendee->customProperties().setNonKDECustomProperty(CUSTOM_KOLAB_CONTACT_UUID, QString::fromStdString(a.contact().uid()));
	}
	if (!a.delegatedTo().empty()) {
	if (a.delegatedTo().size() > 1) {
	WARNING("multiple delegatees are not supported");
	}
	attendee->setDelegate(toMailto(a.delegatedTo().front().email(), a.delegatedTo().front().name()).toString());
	}
	if (!a.delegatedFrom().empty()) {
	if (a.delegatedFrom().size() > 1) {
	WARNING("multiple delegators are not supported");
	}
	attendee->setDelegator(toMailto(a.delegatedFrom().front().email(), a.delegatedFrom().front().name()).toString());
	}
	if (!a.cutype() != CutypeIndividual) {
	attendee->customProperties().setNonKDECustomProperty(CUSTOM_KOLAB_CONTACT_CUTYPE, QString::number(a.cutype()));
	}
	i.addAttendee(attendee);
	}
	foreach (const Kolab::Attachment a, e.attachments()) {
	KCalCore::Attachment::Ptr ptr;
	if (!a.uri().empty()) {
	ptr = KCalCore::Attachment::Ptr(new KCalCore::Attachment(QString::fromStdString(a.uri()), QString::fromStdString(a.mimetype())));
	} else {
	ptr = KCalCore::Attachment::Ptr(new KCalCore::Attachment(QByteArray::fromRawData(a.data().c_str(), a.data().size()), QString::fromStdString(a.mimetype())));
	}
	if (!a.label().empty()) {
	ptr->setLabel(QString::fromStdString(a.label()));
	}
	i.addAttachment(ptr);
	}

	QMap<QByteArray, QString> props;
	foreach (const Kolab::CustomProperty &prop, e.customProperties()) {
	QString key;
	if (prop.identifier.compare(0, 5, "X-KDE")) {
	key.append(QString::fromLatin1("X-KOLAB-"));
	}
	key.append(QString::fromStdString(prop.identifier));
	props.insert(key.toLatin1(), QString::fromStdString(prop.value));
	// i.setCustomProperty("KOLAB", QString::fromStdString(prop.identifier).toLatin1(), QString::fromStdString(prop.value));
	}
	i.setCustomProperties(props);
	}

	template <typename T, typename I>
	void getIncidence(T &i, const I &e)
	{
	i.setUid(e.uid().toStdString());
	i.setCreated(fromDate(e.created()));
	i.setLastModified(fromDate(e.lastModified()));
	i.setSequence(e.revision());
	i.setClassification(fromSecrecy(e.secrecy()));
	i.setCategories(fromStringList(e.categories()));

	i.setStart(fromDate(e.dtStart()));
	i.setSummary(e.summary().toStdString());
	i.setDescription(e.description().toStdString());
	i.setStatus(fromStatus(e.status()));
	std::vector<Kolab::Attendee> attendees;
	foreach (const KCalCore::Attendee::Ptr ptr, e.attendees()) {
	const QString &uid = ptr->customProperties().nonKDECustomProperty(CUSTOM_KOLAB_CONTACT_UUID);
	Kolab::Attendee a(Kolab::ContactReference(ptr->email().toStdString(), ptr->name().toStdString(), uid.toStdString()));
	a.setRSVP(ptr->RSVP());
	a.setPartStat(fromPartStat(ptr->status()));
	a.setRole(fromRole(ptr->role()));
	if (!ptr->delegate().isEmpty()) {
	std::string name;
	const std::string &email = fromMailto(ptr->delegate(), name);
	a.setDelegatedTo(std::vector<Kolab::ContactReference>() << Kolab::ContactReference(email, name));
	}
	if (!ptr->delegator().isEmpty()) {
	std::string name;
	const std::string &email = fromMailto(ptr->delegator(), name);
	a.setDelegatedFrom(std::vector<Kolab::ContactReference>() << Kolab::ContactReference(email, name));
	}
	const QString &cutype = ptr->customProperties().nonKDECustomProperty(CUSTOM_KOLAB_CONTACT_CUTYPE);
	if (!cutype.isEmpty()) {
	a.setCutype(static_cast<Kolab::Cutype>(cutype.toInt()));
	}

	attendees.push_back(a);
	}
	i.setAttendees(attendees);
	std::vector<Kolab::Attachment> attachments;
	foreach (const KCalCore::Attachment::Ptr &ptr, e.attachments()) {
	Kolab::Attachment a;
	if (ptr->isUri()) {
	a.setUri(ptr->uri().toStdString(), ptr->mimeType().toStdString());
	} else {
	a.setData(std::string(ptr->decodedData().data(), ptr->decodedData().size()), ptr->mimeType().toStdString());
	}
	a.setLabel(ptr->label().toStdString());
	attachments.push_back(a);
	}
	i.setAttachments(attachments);

	std::vector<Kolab::CustomProperty> customProperties;
	const QMap<QByteArray, QString> &props = e.customProperties();
	for (QMap<QByteArray, QString>::const_iterator it = props.begin(); it != props.end(); it++) {
	QString key = QString(it.key());
	customProperties.push_back(Kolab::CustomProperty(key.remove("X-KOLAB-").toStdString(), it.value().toStdString()));
	}
	i.setCustomProperties(customProperties);
	}

	int toWeekDay(Kolab::Weekday wday)
	{
	switch (wday) {
	case Kolab::Monday:
	return 1;
	case Kolab::Tuesday:
	return 2;
	case Kolab::Wednesday:
	return 3;
	case Kolab::Thursday:
	return 4;
	case Kolab::Friday:
	return 5;
	case Kolab::Saturday:
	return 6;
	case Kolab::Sunday:
	return 7;
	default:
	Error() << "unhandled";
	Q_ASSERT(0);
	}
	return 1;
	}

	Kolab::Weekday fromWeekDay(int wday)
	{
	switch (wday) {
	case 1:
	return Kolab::Monday;
	case 2:
	return Kolab::Tuesday;
	case 3:
	return Kolab::Wednesday;
	case 4:
	return Kolab::Thursday;
	case 5:
	return Kolab::Friday;
	case 6:
	return Kolab::Saturday;
	case 7:
	return Kolab::Sunday;
	default:
	Error() << "unhandled";
	Q_ASSERT(0);
	}
	return Kolab::Monday;
	}

	KCalCore::RecurrenceRule::PeriodType toRecurrenceType(Kolab::RecurrenceRule::Frequency freq)
	{
	switch(freq) {
	case Kolab::RecurrenceRule::FreqNone:
	Warning() << "no recurrence?";
	break;
	case Kolab::RecurrenceRule::Yearly:
	return KCalCore::RecurrenceRule::rYearly;
	case Kolab::RecurrenceRule::Monthly:
	return KCalCore::RecurrenceRule::rMonthly;
	case Kolab::RecurrenceRule::Weekly:
	return KCalCore::RecurrenceRule::rWeekly;
	case Kolab::RecurrenceRule::Daily:
	return KCalCore::RecurrenceRule::rDaily;
	case Kolab::RecurrenceRule::Hourly:
	return KCalCore::RecurrenceRule::rHourly;
	case Kolab::RecurrenceRule::Minutely:
	return KCalCore::RecurrenceRule::rMinutely;
	case Kolab::RecurrenceRule::Secondly:
	return KCalCore::RecurrenceRule::rSecondly;
	default:
	Error() << "unhandled";
	Q_ASSERT(0);
	}
	return KCalCore::RecurrenceRule::rNone;
	}

	Kolab::RecurrenceRule::Frequency fromRecurrenceType(KCalCore::RecurrenceRule::PeriodType freq)
	{
	switch(freq) {
	case KCalCore::RecurrenceRule::rNone:
	Warning() << "no recurrence?";
	break;
	case KCalCore::RecurrenceRule::rYearly:
	return Kolab::RecurrenceRule::Yearly;
	case KCalCore::RecurrenceRule::rMonthly:
	return Kolab::RecurrenceRule::Monthly;
	case KCalCore::RecurrenceRule::rWeekly:
	return Kolab::RecurrenceRule::Weekly;
	case KCalCore::RecurrenceRule::rDaily:
	return Kolab::RecurrenceRule::Daily;
	case KCalCore::RecurrenceRule::rHourly:
	return Kolab::RecurrenceRule::Hourly;
	case KCalCore::RecurrenceRule::rMinutely:
	return Kolab::RecurrenceRule::Minutely;
	case KCalCore::RecurrenceRule::rSecondly:
	return Kolab::RecurrenceRule::Secondly;
	default:
	Error() << "unhandled";
	Q_ASSERT(0);
	}
	return Kolab::RecurrenceRule::FreqNone;
	}

	KCalCore::RecurrenceRule::WDayPos toWeekDayPos(const Kolab::DayPos &dp)
	{
	return KCalCore::RecurrenceRule::WDayPos(dp.occurence(), toWeekDay(dp.weekday()));
	}

	Kolab::DayPos fromWeekDayPos(const KCalCore::RecurrenceRule::WDayPos &dp)
	{
	return Kolab::DayPos(dp.pos(), fromWeekDay(dp.day()));
	}

	template <typename T>
	void setRecurrence(KCalCore::Incidence &e, const T &event)
	{
	const Kolab::RecurrenceRule &rrule = event.recurrenceRule();
	if (rrule.isValid()) {
	KCalCore::Recurrence *rec = e.recurrence();

	KCalCore::RecurrenceRule *defaultRR = rec->defaultRRule(true);
	Q_ASSERT(defaultRR);

	defaultRR->setWeekStart(toWeekDay(rrule.weekStart()));
	defaultRR->setRecurrenceType(toRecurrenceType(rrule.frequency()));
	defaultRR->setFrequency(rrule.interval());

	if (rrule.end().isValid()) {
	rec->setEndDateTime(toDate(rrule.end())); //TODO date/datetime setEndDate(). With date-only the start date has to be taken into account.
	} else {
	rec->setDuration(rrule.count());
	}

	if (!rrule.bysecond().empty()) {
	defaultRR->setBySeconds(QVector<int>::fromStdVector(rrule.bysecond()).toList());
	}
	if (!rrule.byminute().empty()) {
	defaultRR->setByMinutes(QVector<int>::fromStdVector(rrule.byminute()).toList());
	}
	if (!rrule.byhour().empty()) {
	defaultRR->setByHours(QVector<int>::fromStdVector(rrule.byhour()).toList());
	}
	if (!rrule.byday().empty()) {
	QList<KCalCore::RecurrenceRule::WDayPos> daypos;
	foreach(const Kolab::DayPos &dp, rrule.byday()) {
	daypos.append(toWeekDayPos(dp));
	}
	defaultRR->setByDays(daypos);
	}
	if (!rrule.bymonthday().empty()) {
	defaultRR->setByMonthDays(QVector<int>::fromStdVector(rrule.bymonthday()).toList());
	}
	if (!rrule.byyearday().empty()) {
	defaultRR->setByYearDays(QVector<int>::fromStdVector(rrule.byyearday()).toList());
	}
	if (!rrule.byweekno().empty()) {
	defaultRR->setByWeekNumbers(QVector<int>::fromStdVector(rrule.byweekno()).toList());
	}
	if (!rrule.bymonth().empty()) {
	defaultRR->setByMonths(QVector<int>::fromStdVector(rrule.bymonth()).toList());
	}
	}
	foreach (const Kolab::cDateTime &dt, event.recurrenceDates()) {
	const KDateTime &date = toDate(dt);
	if (date.isDateOnly()) {
	e.recurrence()->addRDate(date.date());
	} else {
	e.recurrence()->addRDateTime(date);
	}
	}
	foreach (const Kolab::cDateTime &dt, event.exceptionDates()) {
	const KDateTime &date = toDate(dt);
	if (date.isDateOnly()) {
	e.recurrence()->addExDate(date.date());
	} else {
	e.recurrence()->addExDateTime(date);
	}
	}

	}

	template <typename T, typename I>
	void getRecurrence(T &i, const I &e)
	{
	if (!e.recurs()) {
	return;
	}
	KCalCore::Recurrence *rec = e.recurrence();
	KCalCore::RecurrenceRule *defaultRR = rec->defaultRRule(false);
	if (!defaultRR) {
	Warning() << "no recurrence";
	return;
	}
	Q_ASSERT(defaultRR);

	Kolab::RecurrenceRule rrule;
	rrule.setWeekStart(fromWeekDay(defaultRR->weekStart()));
	rrule.setFrequency(fromRecurrenceType(defaultRR->recurrenceType()));
	rrule.setInterval(defaultRR->frequency());

	if (defaultRR->duration() != 0) { //Inidcates if end date is set or not
	if (defaultRR->duration() > 0) {
	rrule.setCount(defaultRR->duration());
	}
	} else {
	rrule.setEnd(fromDate(defaultRR->endDt()));
	}

	rrule.setBysecond(defaultRR->bySeconds().toVector().toStdVector());
	rrule.setByminute(defaultRR->byMinutes().toVector().toStdVector());
	rrule.setByhour(defaultRR->byHours().toVector().toStdVector());

	std::vector<Kolab::DayPos> daypos;
	foreach (const KCalCore::RecurrenceRule::WDayPos &dp, defaultRR->byDays()) {
	daypos.push_back(fromWeekDayPos(dp));
	}
	rrule.setByday(daypos);

	rrule.setBymonthday(defaultRR->byMonthDays().toVector().toStdVector());
	rrule.setByyearday(defaultRR->byYearDays().toVector().toStdVector());
	rrule.setByweekno(defaultRR->byWeekNumbers().toVector().toStdVector());
	rrule.setBymonth(defaultRR->byMonths().toVector().toStdVector());
	i.setRecurrenceRule(rrule);

	std::vector<Kolab::cDateTime> rdates;
	foreach (const KDateTime &dt, rec->rDateTimes()) {
	rdates.push_back(fromDate(dt));
	}
	foreach (const QDate &dt, rec->rDates()) {
	rdates.push_back(fromDate(KDateTime(dt)));
	}
	i.setRecurrenceDates(rdates);

	std::vector<Kolab::cDateTime> exdates;
	foreach (const KDateTime &dt, rec->exDateTimes()) {
	exdates.push_back(fromDate(dt));
	}
	foreach (const QDate &dt, rec->exDates()) {
	exdates.push_back(fromDate(KDateTime(dt)));
	}
	i.setExceptionDates(exdates);

	if (!rec->exRules().empty()) {
	Warning() << "exrules are not supported";
	}
	}

	template <typename T>
	void setTodoEvent(KCalCore::Incidence &i, const T &e)
	{
	i.setPriority(toPriority(e.priority()));
	if (!e.location().empty()) {
	i.setLocation(QString::fromStdString(e.location())); //TODO detect richtext
	}
	if (e.organizer().isValid()) {
	i.setOrganizer(KCalCore::Person::Ptr(new KCalCore::Person(QString::fromStdString(e.organizer().name()), QString::fromStdString(e.organizer().email())))); //TODO handle uid too
	}
	if (e.recurrenceID().isValid()) {
	i.setRecurrenceId(toDate(e.recurrenceID())); //TODO THISANDFUTURE
	}
	setRecurrence(i, e);
	foreach (const Kolab::Alarm a, e.alarms()) {
	KCalCore::Alarm::Ptr alarm = KCalCore::Alarm::Ptr(new KCalCore::Alarm(&i));
	switch (a.type()) {
	case Kolab::Alarm::EMailAlarm: {
	KCalCore::Person::List receipents;
	foreach (Kolab::ContactReference c ,a.attendees()) {
	KCalCore::Person::Ptr person = KCalCore::Person::Ptr(new KCalCore::Person(QString::fromStdString(c.name()), QString::fromStdString(c.email())));
	receipents.append(person);
	}
	alarm->setEmailAlarm(QString::fromStdString(a.summary()), QString::fromStdString(a.description()), receipents);
	}
	break;
	case Kolab::Alarm::DisplayAlarm:
	alarm->setDisplayAlarm(QString::fromStdString(a.text()));
	break;
	case Kolab::Alarm::AudioAlarm:
	alarm->setAudioAlarm(QString::fromStdString(a.audioFile().uri()));
	break;
	default:
	Error() << "invalid alarm";
	}

	if (a.start().isValid()) {
	alarm->setTime(toDate(a.start()));
	} else if (a.relativeStart().isValid()) {
	if (a.relativeTo() == Kolab::End) {
	alarm->setEndOffset(toDuration(a.relativeStart()));
	} else {
	alarm->setStartOffset(toDuration(a.relativeStart()));
	}
	}

	alarm->setSnoozeTime(toDuration(a.duration()));
	alarm->setRepeatCount(a.numrepeat());
	alarm->setEnabled(true);
	i.addAlarm(alarm);
	}
	}

	template <typename T, typename I>
	void getTodoEvent(T &i, const I &e)
	{
	i.setPriority(fromPriority(e.priority()));
	i.setLocation(e.location().toStdString());
	if (!e.organizer()->email().isEmpty()) {
	i.setOrganizer(Kolab::ContactReference(Kolab::ContactReference::EmailReference, e.organizer()->email().toStdString(), e.organizer()->name().toStdString())); //TODO handle uid too
	}
	i.setRecurrenceID(fromDate(e.recurrenceId()), false); //TODO THISANDFUTURE
	getRecurrence(i, e);
	std::vector <Kolab::Alarm> alarms;
	foreach (const KCalCore::Alarm::Ptr &a, e.alarms()) {
	Kolab::Alarm alarm;
	//TODO KCalCore disables alarms using KCalCore::Alarm::enabled() (X-KDE-KCALCORE-ENABLED) We should either delete the alarm, or store the attribute .
	//Ideally we would store the alarm somewhere and temporarily delete it, so we can restore it when parsing. For now we just remove disabled alarms.
	if (!a->enabled()) {
	Warning() << "skipping disabled alarm";
	continue;
	}
	switch (a->type()) {
	case KCalCore::Alarm::Display:
	alarm = Kolab::Alarm(a->text().toStdString());
	break;
	case KCalCore::Alarm::Email: {
	std::vector<Kolab::ContactReference> receipents;
	foreach(const KCalCore::Person::Ptr &p, a->mailAddresses()) {
	receipents.push_back(Kolab::ContactReference(p->email().toStdString(), p->name().toStdString()));
	}
	alarm = Kolab::Alarm(a->mailSubject().toStdString(), a->mailText().toStdString(), receipents);
	}
	break;
	case KCalCore::Alarm::Audio: {
	Kolab::Attachment audioFile;
	audioFile.setUri(a->audioFile().toStdString(), std::string());
	alarm = Kolab::Alarm(audioFile);
	}
	break;
	default:
	Error() << "unhandled alarm";
	}

	if (a->hasTime()) {
	alarm.setStart(fromDate(a->time()));
	} else if (a->hasStartOffset()) {
	alarm.setRelativeStart(fromDuration(a->startOffset()), Start);
	} else if (a->hasEndOffset()) {
	alarm.setRelativeStart(fromDuration(a->endOffset()), End);
	} else {
	Error() << "alarm trigger is missing";
	continue;
	}

	alarm.setDuration(fromDuration(a->snoozeTime()), a->repeatCount());

	alarms.push_back(alarm);
	}
	i.setAlarms(alarms);
	}

	KCalCore::Event::Ptr toKCalCore(const Kolab::Event &event)
	{
	KCalCore::Event::Ptr e(new KCalCore::Event);
	setIncidence(*e, event);
	setTodoEvent(*e, event);
	if (event.end().isValid()) {
	e->setDtEnd(toDate(event.end()));
	}
	if (event.duration().isValid()) {
	e->setDuration(toDuration(event.duration()));
	}
	if (event.transparency()) {
	e->setTransparency(KCalCore::Event::Transparent);
	} else {
	e->setTransparency(KCalCore::Event::Opaque);
	}
	return e;
	}

	Event fromKCalCore(const KCalCore::Event &event)
	{
	Event e;
	getIncidence(e, event);
	getTodoEvent(e, event);
	if (event.hasEndDate()) {
	e.setEnd(fromDate(event.dtEnd()));
	} else if (event.hasDuration()) {
	e.setDuration(fromDuration(event.duration()));
	}
	if (event.transparency() == KCalCore::Event::Transparent) {
	e.setTransparency(true);
	} else {
	e.setTransparency(false);
	}
	return e;
	}



	KCalCore::Todo::Ptr toKCalCore ( const Todo &todo )
	{
	KCalCore::Todo::Ptr e(new KCalCore::Todo);
	setIncidence(*e, todo);
	setTodoEvent(*e, todo);
	if (todo.due().isValid()) {
	e->setDtDue(toDate(todo.due()));
	}
	e->setPercentComplete(todo.percentComplete());
	return e;
	}

	Todo fromKCalCore ( const KCalCore::Todo &todo )
	{
	Todo t;
	getIncidence(t, todo);
	getTodoEvent(t, todo);
	t.setDue(fromDate(todo.dtDue(true)));
	t.setPercentComplete(todo.percentComplete());
	return t;
	}

	KCalCore::Journal::Ptr toKCalCore ( const Journal &journal )
	{
	KCalCore::Journal::Ptr e(new KCalCore::Journal);
	setIncidence(*e, journal);
	//TODO contacts
	return e;
	}

	Journal fromKCalCore ( const KCalCore::Journal &journal )
	{
	Journal j;
	getIncidence(j, journal);
	//TODO contacts
	return j;
	}



	}
	}

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