/
googlecalendarsyncadaptor.cpp
2350 lines (2186 loc) · 124 KB
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googlecalendarsyncadaptor.cpp
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/****************************************************************************
**
** Copyright (C) 2013-2014 Jolla Ltd.
** Contact: Chris Adams <chris.adams@jollamobile.com>
**
** This program/library is free software; you can redistribute it and/or
** modify it under the terms of the GNU Lesser General Public License
** version 2.1 as published by the Free Software Foundation.
**
** This program/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
** Lesser General Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public
** License along with this program/library; if not, write to the Free
** Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
** 02110-1301 USA
**
****************************************************************************/
#include "googlecalendarsyncadaptor.h"
#include "googlecalendarincidencecomparator.h"
#include "trace.h"
#include <QtCore/QUrlQuery>
#include <QtCore/QFile>
#include <QtCore/QDir>
#include <QtCore/QByteArray>
#include <QtCore/QJsonArray>
#include <QtCore/QJsonObject>
#include <QtCore/QJsonDocument>
#include <QtCore/QSettings>
#include <QtSql/QSqlQuery>
#include <QtSql/QSqlError>
#include <ksystemtimezone.h>
#include <kdatetime.h>
//----------------------------------------------
#define RFC3339_FORMAT "%Y-%m-%dT%H:%M:%S%:z"
#define RFC3339_FORMAT_NTZC "%Y-%m-%dT%H:%M:%S%z"
#define RFC3339_QDATE_FORMAT_MS "yyyy-MM-ddThh:mm:ss.zzzZ"
#define RFC3339_QDATE_FORMAT_MS_NTZC "yyyy-MM-ddThh:mm:ss.zzz"
#define KDATEONLY_FORMAT "%Y-%m-%d"
#define QDATEONLY_FORMAT "yyyy-MM-dd"
#define KLONGTZ_FORMAT "%:Z"
#define RFC5545_KDATETIME_FORMAT "%Y%m%dT%H%M%SZ"
#define RFC5545_KDATETIME_FORMAT_NTZC "%Y%m%dT%H%M%S"
#define RFC5545_QDATE_FORMAT "yyyyMMdd"
namespace {
static int GOOGLE_CAL_SYNC_PLUGIN_VERSION = 2;
void errorDumpStr(const QString &str)
{
// Dump the entire string to the log.
// Note that the log cannot handle newlines,
// so we separate the string into chunks.
Q_FOREACH (const QString &chunk, str.split('\n', QString::SkipEmptyParts)) {
SOCIALD_LOG_ERROR(chunk);
}
}
void traceDumpStr(const QString &str)
{
// 8 is the minimum log level for TRACE logs
// as defined in Buteo's LogMacros.h
if (Buteo::Logger::instance()->getLogLevel() < 8) {
return;
}
// Dump the entire string to the log.
// Note that the log cannot handle newlines,
// so we separate the string into chunks.
Q_FOREACH (const QString &chunk, str.split('\n', QString::SkipEmptyParts)) {
SOCIALD_LOG_TRACE(chunk);
}
}
// returns true if the ghost-event cleanup sync has been performed.
bool ghostEventCleanupPerformed()
{
QString settingsFileName = QString::fromLatin1("%1/%2/gcal.ini")
.arg(QString::fromLatin1(PRIVILEGED_DATA_DIR))
.arg(QString::fromLatin1(SYNC_DATABASE_DIR));
QSettings settingsFile(settingsFileName, QSettings::IniFormat);
return settingsFile.value(QString::fromLatin1("cleaned"), QVariant::fromValue<bool>(false)).toBool();
}
void setGhostEventCleanupPerformed()
{
QString settingsFileName = QString::fromLatin1("%1/%2/gcal.ini")
.arg(QString::fromLatin1(PRIVILEGED_DATA_DIR))
.arg(QString::fromLatin1(SYNC_DATABASE_DIR));
QSettings settingsFile(settingsFileName, QSettings::IniFormat);
settingsFile.setValue(QString::fromLatin1("cleaned"), QVariant::fromValue<bool>(true));
settingsFile.sync();
}
void uniteIncidenceLists(const KCalCore::Incidence::List &first, KCalCore::Incidence::List *second)
{
int originalSecondSize = second->size();
bool foundMatch = false;
Q_FOREACH (KCalCore::Incidence::Ptr inc, first) {
foundMatch = false;
for (int i = 0; i < originalSecondSize; ++i) {
if (inc->uid() == second->at(i)->uid() && inc->recurrenceId() == second->at(i)->recurrenceId()) {
// found a match
foundMatch = true;
break;
}
}
if (!foundMatch) {
second->append(inc);
}
}
}
QString gCalEventId(KCalCore::Incidence::Ptr event)
{
// we abuse the comments field to store our gcal-id.
// we should use a custom property, but those are deleted on incidence deletion.
const QStringList &comments(event->comments());
Q_FOREACH (const QString &comment, comments) {
if (comment.startsWith("jolla-sociald:gcal-id:")) {
return comment.mid(22);
}
}
return QString();
}
void setGCalEventId(KCalCore::Incidence::Ptr event, const QString &id)
{
// we abuse the comments field to store our gcal-id.
// we should use a custom property, but those are deleted on incidence deletion.
const QStringList &comments(event->comments());
Q_FOREACH (const QString &comment, comments) {
if (comment.startsWith("jolla-sociald:gcal-id:")) {
// remove any existing gcal-id comment.
event->removeComment(comment);
break;
}
}
event->addComment(QStringLiteral("jolla-sociald:gcal-id:%1").arg(id));
}
void setRemoteUidCustomField(KCalCore::Incidence::Ptr event, const QString &uid, const QString &id)
{
// store it also in a custom property purely for invitation lookup purposes.
if (!uid.isEmpty()) {
event->setNonKDECustomProperty("X-SAILFISHOS-REMOTE-UID", uid.toUtf8());
} else {
// Google Calendar invites are sent as invitations with uid suffixed with @google.com.
if (id.endsWith(QLatin1String("@google.com"), Qt::CaseInsensitive)) {
event->setNonKDECustomProperty("X-SAILFISHOS-REMOTE-UID", id.toUtf8());
} else {
QString suffixedId = id;
suffixedId.append(QLatin1String("@google.com"));
event->setNonKDECustomProperty("X-SAILFISHOS-REMOTE-UID", suffixedId.toUtf8());
}
}
}
QString gCalETag(KCalCore::Incidence::Ptr event)
{
return event->customProperty("jolla-sociald", "gcal-etag");
}
void setGCalETag(KCalCore::Incidence::Ptr event, const QString &etag)
{
// note: custom properties are purged on incidence deletion.
event->setCustomProperty("jolla-sociald", "gcal-etag", etag);
}
KDateTime datetimeFromUpdateStr(const QString &update)
{
// generally, this is an RFC3339 date with timezone information, like:
// 2015-04-25T12:02:40.988Z
// However, our version of KDateTime is old enough that we don't support this
// date format directly.
bool tzIncluded = update.endsWith('Z');
QDateTime qdt = tzIncluded
? QLocale::c().toDateTime(update, RFC3339_QDATE_FORMAT_MS)
: QLocale::c().toDateTime(update, RFC3339_QDATE_FORMAT_MS_NTZC);
if (tzIncluded) {
qdt.setTimeSpec(Qt::UTC);
}
return KDateTime(qdt, tzIncluded ? KDateTime::UTC : KDateTime::ClockTime);
}
QList<KDateTime> datetimesFromExRDateStr(const QString &exrdatestr, bool *isDateOnly)
{
// possible forms:
// RDATE:19970714T123000Z
// RDATE;VALUE=DATE-TIME:19970714T123000Z
// RDATE;VALUE=DATE-TIME:19970714T123000Z,19970715T123000Z
// RDATE;TZID=America/New_York:19970714T083000
// RDATE;VALUE=PERIOD:19960403T020000Z/19960403T040000Z,19960404T010000Z/PT3H
// RDATE;VALUE=DATE:19970101,19970120
QList<KDateTime> retn;
QString str = exrdatestr;
*isDateOnly = false; // by default.
if (str.startsWith(QStringLiteral("exdate"), Qt::CaseInsensitive)) {
str.remove(0, 6);
} else if (str.startsWith(QStringLiteral("rdate"), Qt::CaseInsensitive)) {
str.remove(0, 5);
} else {
SOCIALD_LOG_ERROR("not an ex/rdate string:" << exrdatestr);
return retn;
}
if (str.startsWith(';')) {
str.remove(0,1);
if (str.startsWith("DATE-TIME:", Qt::CaseInsensitive)) {
str.remove(0, 10);
QStringList dts = str.split(',');
Q_FOREACH (const QString &dtstr, dts) {
if (dtstr.endsWith('Z')) {
// UTC
KDateTime kdt = KDateTime::fromString(dtstr, RFC5545_KDATETIME_FORMAT);
kdt.setTimeSpec(KDateTime::Spec::UTC());
retn.append(kdt);
} else {
// Floating time
KDateTime kdt = KDateTime::fromString(dtstr, RFC5545_KDATETIME_FORMAT_NTZC);
kdt.setTimeSpec(KDateTime::Spec::ClockTime());
retn.append(kdt);
}
}
} else if (str.startsWith("DATE:", Qt::CaseInsensitive)) {
str.remove(0, 5);
QStringList dts = str.split(',');
Q_FOREACH(const QString &dstr, dts) {
QDate date = QLocale::c().toDate(dstr, RFC5545_QDATE_FORMAT);
KDateTime kdt(date, KDateTime::Spec::ClockTime());
retn.append(kdt);
}
} else if (str.startsWith("PERIOD:", Qt::CaseInsensitive)) {
SOCIALD_LOG_ERROR("unsupported parameter in ex/rdate string:" << exrdatestr);
// TODO: support PERIOD formats, or just switch to CalDAV for Google sync...
} else if (str.startsWith("TZID=") && str.contains(':')) {
str.remove(0, 5);
QString tzidstr = str.mid(0, str.indexOf(':')); // something like: "Australia/Brisbane"
KTimeZone tz = KSystemTimeZones::zone(tzidstr);
str.remove(0, tzidstr.size()+1);
QStringList dts = str.split(',');
Q_FOREACH (const QString &dtstr, dts) {
KDateTime kdt = KDateTime::fromString(dtstr, RFC5545_KDATETIME_FORMAT_NTZC);
if (!kdt.isValid()) {
// try parsing from alternate formats
kdt = KDateTime::fromString(dtstr, RFC3339_FORMAT_NTZC);
}
if (!kdt.isValid()) {
SOCIALD_LOG_ERROR("unable to parse datetime from ex/rdate string:" << exrdatestr);
} else {
if (tz.isValid()) {
kdt.setTimeSpec(tz);
} else {
kdt.setTimeSpec(KDateTime::Spec::ClockTime());
SOCIALD_LOG_INFO("WARNING: unknown tzid:" << tzidstr << "; assuming clock-time instead!");
}
retn.append(kdt);
}
}
} else {
SOCIALD_LOG_ERROR("invalid parameter in ex/rdate string:" << exrdatestr);
}
} else if (str.startsWith(':')) {
str.remove(0,1);
QStringList dts = str.split(',');
Q_FOREACH (const QString &dtstr, dts) {
if (dtstr.endsWith('Z')) {
// UTC
KDateTime kdt = KDateTime::fromString(dtstr, RFC5545_KDATETIME_FORMAT);
if (!kdt.isValid()) {
// try parsing from alternate formats
kdt = KDateTime::fromString(dtstr, RFC3339_FORMAT);
}
if (!kdt.isValid()) {
SOCIALD_LOG_ERROR("unable to parse datetime from ex/rdate string:" << exrdatestr);
} else {
// parsed successfully
kdt.setTimeSpec(KDateTime::Spec::UTC());
retn.append(kdt);
}
} else {
// Floating time
KDateTime kdt = KDateTime::fromString(dtstr, RFC5545_KDATETIME_FORMAT_NTZC);
if (!kdt.isValid()) {
// try parsing from alternate formats
kdt = KDateTime::fromString(dtstr, RFC3339_FORMAT_NTZC);
}
if (!kdt.isValid()) {
SOCIALD_LOG_ERROR("unable to parse datetime from ex/rdate string:" << exrdatestr);
} else {
// parsed successfully
kdt.setTimeSpec(KDateTime::Spec::ClockTime());
retn.append(kdt);
}
}
}
} else {
SOCIALD_LOG_ERROR("not a valid ex/rdate string:" << exrdatestr);
}
return retn;
}
QJsonArray recurrenceArray(KCalCore::Event::Ptr event, KCalCore::ICalFormat &icalFormat)
{
QJsonArray retn;
// RRULE
KCalCore::Recurrence *kcalRecurrence = event->recurrence();
Q_FOREACH (KCalCore::RecurrenceRule *rrule, kcalRecurrence->rRules()) {
QString rruleStr = icalFormat.toString(rrule);
rruleStr.replace("\r\n", "");
retn.append(QJsonValue(rruleStr));
}
// EXRULE
Q_FOREACH (KCalCore::RecurrenceRule *exrule, kcalRecurrence->exRules()) {
QString exruleStr = icalFormat.toString(exrule);
exruleStr.replace("RRULE", "EXRULE");
exruleStr.replace("\r\n", "");
retn.append(QJsonValue(exruleStr));
}
// RDATE (date)
QString rdates;
Q_FOREACH (const QDate &rdate, kcalRecurrence->rDates()) {
rdates.append(QLocale::c().toString(rdate, RFC5545_QDATE_FORMAT));
rdates.append(',');
}
if (rdates.size()) {
rdates.chop(1); // trailing comma
retn.append(QJsonValue(QString::fromLatin1("RDATE;VALUE=DATE:%1").arg(rdates)));
}
// RDATE (date-time)
QString rdatetimes;
Q_FOREACH (const KDateTime &rdatetime, kcalRecurrence->rDateTimes()) {
if (rdatetime.timeSpec() == KDateTime::Spec::ClockTime()) {
rdatetimes.append(rdatetime.toString(RFC5545_KDATETIME_FORMAT_NTZC));
} else {
rdatetimes.append(rdatetime.toUtc().toString(RFC5545_KDATETIME_FORMAT));
}
rdatetimes.append(',');
}
if (rdatetimes.size()) {
rdatetimes.chop(1); // trailing comma
retn.append(QJsonValue(QString::fromLatin1("RDATE;VALUE=DATE-TIME:%1").arg(rdatetimes)));
}
// EXDATE (date)
QString exdates;
Q_FOREACH (const QDate &exdate, kcalRecurrence->exDates()) {
exdates.append(QLocale::c().toString(exdate, RFC5545_QDATE_FORMAT));
exdates.append(',');
}
if (exdates.size()) {
exdates.chop(1); // trailing comma
retn.append(QJsonValue(QString::fromLatin1("EXDATE;VALUE=DATE:%1").arg(exdates)));
}
// EXDATE (date-time)
QString exdatetimes;
Q_FOREACH (const KDateTime &exdatetime, kcalRecurrence->exDateTimes()) {
if (exdatetime.timeSpec() == KDateTime::Spec::ClockTime()) {
exdatetimes.append(exdatetime.toString(RFC5545_KDATETIME_FORMAT_NTZC));
} else {
exdatetimes.append(exdatetime.toUtc().toString(RFC5545_KDATETIME_FORMAT));
}
exdatetimes.append(',');
}
if (exdatetimes.size()) {
exdatetimes.chop(1); // trailing comma
retn.append(QJsonValue(QString::fromLatin1("EXDATE;VALUE=DATE-TIME:%1").arg(exdatetimes)));
}
return retn;
}
KDateTime parseRecurrenceId(const QJsonObject &originalStartTime)
{
QString recurrenceIdStr = originalStartTime.value(QLatin1String("dateTime")).toVariant().toString();
QString recurrenceIdTzStr = originalStartTime.value(QLatin1String("timeZone")).toVariant().toString();
KDateTime recurrenceId = KDateTime::fromString(recurrenceIdStr, RFC3339_FORMAT);
if (!recurrenceIdTzStr.isEmpty()) {
recurrenceId = recurrenceId.toTimeSpec(KTimeZone(recurrenceIdTzStr));
}
return recurrenceId;
}
QJsonObject kCalToJson(KCalCore::Event::Ptr event, KCalCore::ICalFormat &icalFormat, bool setUidProperty = false)
{
QString eventId = gCalEventId(event);
QJsonObject start, end, reminders;
QJsonArray attendees;
const KCalCore::Attendee::List attendeesList = event->attendees();
if (!attendeesList.isEmpty()) {
Q_FOREACH (auto att, attendeesList) {
if (att->email().isEmpty()) {
continue;
}
QJsonObject attendee;
attendee.insert("email", att->email());
if (att->role() == KCalCore::Attendee::OptParticipant) {
attendee.insert("optional", true);
}
const QString &name = att->name();
if (!name.isEmpty()) {
attendee.insert("displayName", name);
}
attendees.append(attendee);
}
}
// insert the date/time and timeZone information into the Json object.
// note that timeZone is required for recurring events, for some reason.
if (event->dtStart().isDateOnly() || (event->allDay() && event->dtStart().time() == QTime(0,0,0))) {
start.insert(QLatin1String("date"), QLocale::c().toString(event->dtStart().date(), QDATEONLY_FORMAT));
} else {
start.insert(QLatin1String("dateTime"), event->dtStart().toString(RFC3339_FORMAT));
start.insert(QLatin1String("timeZone"), QJsonValue(event->dtStart().toString(KLONGTZ_FORMAT)));
}
if (event->dtEnd().isDateOnly() || (event->allDay() && event->dtEnd().time() == QTime(0,0,0))) {
// note: for iCal spec, allDay events need to have an end date of real-end-date+1 as end date is exclusive.
end.insert(QLatin1String("date"), QLocale::c().toString(event->dateEnd().addDays(1), QDATEONLY_FORMAT));
} else {
end.insert(QLatin1String("dateTime"), event->dtEnd().toString(RFC3339_FORMAT));
end.insert(QLatin1String("timeZone"), QJsonValue(event->dtEnd().toString(KLONGTZ_FORMAT)));
}
QJsonObject retn;
if (!eventId.isEmpty()) retn.insert(QLatin1String("id"), eventId);
if (event->recurrence()) {
QJsonArray recArray = recurrenceArray(event, icalFormat);
if (recArray.size()) {
retn.insert(QLatin1String("recurrence"), recArray);
}
}
retn.insert(QLatin1String("summary"), event->summary());
retn.insert(QLatin1String("description"), event->description());
retn.insert(QLatin1String("location"), event->location());
retn.insert(QLatin1String("start"), start);
retn.insert(QLatin1String("end"), end);
retn.insert(QLatin1String("sequence"), QString::number(event->revision()+1));
if (!attendees.isEmpty()) {
retn.insert(QLatin1String("attendees"), attendees);
}
//retn.insert(QLatin1String("locked"), event->readOnly()); // only allow locking server-side.
// we may wish to support locking/readonly from local side also, in the future.
// if the event has no alarms associated with it, don't let Google add one automatically.
if (event->alarms().count() == 0) {
reminders.insert(QLatin1String("useDefault"), false);
retn.insert(QLatin1String("reminders"), reminders);
}
if (setUidProperty) {
// now we store private extended properties: local uid.
// this allows us to detect partially-upsynced artifacts during subsequent syncs.
// usually this codepath will be hit for localAdditions being upsynced,
// but sometimes also if we need to update the mapping due to clean-sync.
QJsonObject privateExtendedProperties;
privateExtendedProperties.insert(QLatin1String("x-jolla-sociald-mkcal-uid"), event->uid());
QJsonObject extendedProperties;
extendedProperties.insert(QLatin1String("private"), privateExtendedProperties);
retn.insert(QLatin1String("extendedProperties"), extendedProperties);
}
return retn;
}
void extractStartAndEnd(const QJsonObject &eventData,
bool *startExists,
bool *endExists,
bool *startIsDateOnly,
bool *endIsDateOnly,
bool *isAllDay,
KDateTime *start,
KDateTime *end)
{
*startIsDateOnly = false, *endIsDateOnly = false;
QString startTimeString, endTimeString;
QJsonObject startTimeData = eventData.value(QLatin1String("start")).toObject();
QJsonObject endTimeData = eventData.value(QLatin1String("end")).toObject();
if (!startTimeData.value(QLatin1String("date")).toVariant().toString().isEmpty()) {
*startExists = true;
*startIsDateOnly = true; // all-day event.
startTimeString = startTimeData.value(QLatin1String("date")).toVariant().toString();
} else if (!startTimeData.value(QLatin1String("dateTime")).toVariant().toString().isEmpty()) {
*startExists = true;
startTimeString = startTimeData.value(QLatin1String("dateTime")).toVariant().toString();
} else {
*startExists = false;
}
if (!endTimeData.value(QLatin1String("date")).toVariant().toString().isEmpty()) {
*endExists = true;
*endIsDateOnly = true; // all-day event.
endTimeString = endTimeData.value(QLatin1String("date")).toVariant().toString();
} else if (!endTimeData.value(QLatin1String("dateTime")).toVariant().toString().isEmpty()) {
*endExists = true;
endTimeString = endTimeData.value(QLatin1String("dateTime")).toVariant().toString();
} else {
*endExists = false;
}
if (*startExists) {
if (!*startIsDateOnly) {
KDateTime parsedStartTime = KDateTime::fromString(startTimeString, RFC3339_FORMAT);
KDateTime ntzcStartTime = KDateTime::fromString(startTimeString, RFC3339_FORMAT_NTZC);
if (ntzcStartTime.time() > parsedStartTime.time()) parsedStartTime = ntzcStartTime;
// different format? let KDateTime detect the format automatically.
if (parsedStartTime.isNull()) {
parsedStartTime = KDateTime::fromString(startTimeString);
}
*start = parsedStartTime.toLocalZone();
} else {
*start = KDateTime(QLocale::c().toDate(startTimeString, QDATEONLY_FORMAT), QTime(), KDateTime::ClockTime);
start->setDateOnly(true);
}
}
if (*endExists) {
if (!*endIsDateOnly) {
KDateTime parsedEndTime = KDateTime::fromString(endTimeString, RFC3339_FORMAT);
KDateTime ntzcEndTime = KDateTime::fromString(endTimeString, RFC3339_FORMAT_NTZC);
if (ntzcEndTime.time() > parsedEndTime.time()) parsedEndTime = ntzcEndTime;
// different format? let KDateTime detect the format automatically.
if (parsedEndTime.isNull()) {
parsedEndTime = KDateTime::fromString(endTimeString);
}
*end = parsedEndTime.toLocalZone();
} else {
// Special handling for all-day events is required.
if (*startExists && *startIsDateOnly) {
if (QLocale::c().toDate(startTimeString, QDATEONLY_FORMAT)
== QLocale::c().toDate(endTimeString, QDATEONLY_FORMAT)) {
// single-day all-day event
*endExists = false;
*isAllDay = true;
} else if (QLocale::c().toDate(startTimeString, QDATEONLY_FORMAT)
== QLocale::c().toDate(endTimeString, QDATEONLY_FORMAT).addDays(-1)) {
// Google will send a single-day all-day event has having an end-date
// of startDate+1 to conform to iCal spec. Hence, this is actually
// a single-day all-day event, despite the difference in end-date.
*endExists = false;
*isAllDay = true;
} else {
// multi-day all-day event.
// as noted above, Google will send all-day events as having an end-date
// of real-end-date+1 in order to conform to iCal spec (exclusive end dt).
*end = KDateTime(QLocale::c().toDate(endTimeString, QDATEONLY_FORMAT), QTime(), KDateTime::ClockTime);
end->setDateOnly(true);
*isAllDay = true;
}
} else {
*end = KDateTime(QLocale::c().toDate(endTimeString, QDATEONLY_FORMAT), QTime(), KDateTime::ClockTime);
end->setDateOnly(true);
*isAllDay = false;
}
}
}
}
void extractRecurrence(const QJsonArray &recurrence, KCalCore::Event::Ptr event, KCalCore::ICalFormat &icalFormat)
{
KCalCore::Recurrence *kcalRecurrence = event->recurrence();
kcalRecurrence->clear(); // avoid adding duplicate recurrence information
for (int i = 0; i < recurrence.size(); ++i) {
QString ruleStr = recurrence.at(i).toString();
if (ruleStr.startsWith(QString::fromLatin1("rrule"), Qt::CaseInsensitive)) {
KCalCore::RecurrenceRule *rrule = new KCalCore::RecurrenceRule;
if (!icalFormat.fromString(rrule, ruleStr.mid(6))) {
SOCIALD_LOG_DEBUG("unable to parse RRULE information:" << ruleStr);
traceDumpStr(QString::fromUtf8(QJsonDocument(recurrence).toJson()));
} else {
kcalRecurrence->addRRule(rrule);
}
} else if (ruleStr.startsWith(QString::fromLatin1("exrule"), Qt::CaseInsensitive)) {
KCalCore::RecurrenceRule *exrule = new KCalCore::RecurrenceRule;
if (!icalFormat.fromString(exrule, ruleStr.mid(7))) {
SOCIALD_LOG_DEBUG("unable to parse EXRULE information:" << ruleStr);
traceDumpStr(QString::fromUtf8(QJsonDocument(recurrence).toJson()));
} else {
kcalRecurrence->addExRule(exrule);
}
} else if (ruleStr.startsWith(QString::fromLatin1("rdate"), Qt::CaseInsensitive)) {
bool isDateOnly = false;
QList<KDateTime> rdatetimes = datetimesFromExRDateStr(ruleStr, &isDateOnly);
if (!rdatetimes.size()) {
SOCIALD_LOG_DEBUG("unable to parse RDATE information:" << ruleStr);
traceDumpStr(QString::fromUtf8(QJsonDocument(recurrence).toJson()));
} else {
Q_FOREACH (const KDateTime &kdt, rdatetimes) {
if (isDateOnly) {
kcalRecurrence->addRDate(kdt.date());
} else {
kcalRecurrence->addRDateTime(kdt);
}
}
}
} else if (ruleStr.startsWith(QString::fromLatin1("exdate"), Qt::CaseInsensitive)) {
bool isDateOnly = false;
QList<KDateTime> exdatetimes = datetimesFromExRDateStr(ruleStr, &isDateOnly);
if (!exdatetimes.size()) {
SOCIALD_LOG_DEBUG("unable to parse EXDATE information:" << ruleStr);
traceDumpStr(QString::fromUtf8(QJsonDocument(recurrence).toJson()));
} else {
Q_FOREACH (const KDateTime &kdt, exdatetimes) {
if (isDateOnly) {
kcalRecurrence->addExDate(kdt.date());
} else {
kcalRecurrence->addExDateTime(kdt);
}
}
}
} else {
SOCIALD_LOG_DEBUG("unknown recurrence information:" << ruleStr);
traceDumpStr(QString::fromUtf8(QJsonDocument(recurrence).toJson()));
}
}
}
void extractOrganizer(const QJsonObject &creatorObj, const QJsonObject &organizerObj, KCalCore::Event::Ptr event)
{
if (!creatorObj.value(QLatin1String("displayName")).toVariant().toString().isEmpty()
|| !creatorObj.value(QLatin1String("email")).toVariant().toString().isEmpty()) {
KCalCore::Person::Ptr organizer(new KCalCore::Person(
creatorObj.value(QLatin1String("displayName")).toVariant().toString(),
creatorObj.value(QLatin1String("email")).toVariant().toString()));
event->setOrganizer(organizer);
} else if (!organizerObj.value(QLatin1String("displayName")).toVariant().toString().isEmpty()
|| !organizerObj.value(QLatin1String("email")).toVariant().toString().isEmpty()) {
KCalCore::Person::Ptr organizer(new KCalCore::Person(
organizerObj.value(QLatin1String("displayName")).toVariant().toString(),
organizerObj.value(QLatin1String("email")).toVariant().toString()));
event->setOrganizer(organizer);
} else {
KCalCore::Person::Ptr organizer(new KCalCore::Person);
event->setOrganizer(organizer);
}
}
void extractAttendees(const QJsonArray &attendees, KCalCore::Event::Ptr event)
{
event->clearAttendees();
for (int i = 0; i < attendees.size(); ++i) {
QJsonObject attendeeObj = attendees.at(i).toObject();
if (!attendeeObj.value(QLatin1String("organizer")).toVariant().toBool()) {
KCalCore::Attendee::Ptr attendee(new KCalCore::Attendee(
attendeeObj.value(QLatin1String("displayName")).toVariant().toString(),
attendeeObj.value(QLatin1String("email")).toVariant().toString()));
if (attendeeObj.find(QLatin1String("optional")) != attendeeObj.end()) {
if (attendeeObj.value(QLatin1String("optional")).toVariant().toBool()) {
attendee->setRole(KCalCore::Attendee::OptParticipant);
} else {
attendee->setRole(KCalCore::Attendee::ReqParticipant);
}
}
event->addAttendee(attendee);
}
}
}
int nearestNemoReminderStartOffset(int googleStartOffset)
{
// Google supports arbitrary start offsets, whereas in Nemo's UI
// we only allow specific reminder offsets.
// See nemo-qml-plugin-calendar::NemoCalendarEvent::Reminder for
// those offset definitions.
// Also, Nemo reminder offsets are negative and in seconds,
// whereas Google start offsets are positive and in minutes.
if (googleStartOffset >= 0 && googleStartOffset <= 5) {
return -5 * 60; // 5 minutes before event start
} else if (googleStartOffset > 5 && googleStartOffset <= 15) {
return -15 * 60; // 15 minutes before event start
} else if (googleStartOffset > 15 && googleStartOffset <= 30) {
return -30 * 60; // 30 minutes before event start
} else if (googleStartOffset > 30 && googleStartOffset <= 60) {
return -60 * 60; // 1 hour before event start
} else if (googleStartOffset > 60 && googleStartOffset <= 120) {
return -120 * 60; // 2 hours before event start
} else if (googleStartOffset > 120 && googleStartOffset <= 1440) {
return -1440 * 60; // 1 day before event start (24 hours)
} else if (googleStartOffset > 1440) {
return -2880 * 60; // 2 days before event start (48 hours)
}
// default reminder: 15 minutes before event start.
return -15 * 60;
}
#define START_EVENT_UPDATES_IF_REQUIRED(event, changed) \
if (*changed == false) { \
event->startUpdates(); \
} \
*changed = true;
#define UPDATE_EVENT_PROPERTY_IF_REQUIRED(event, getter, setter, newValue, changed) \
if (event->getter() != newValue) { \
START_EVENT_UPDATES_IF_REQUIRED(event, changed) \
event->setter(newValue); \
}
#define END_EVENT_UPDATES_IF_REQUIRED(event, changed, startedUpdates) \
if (*changed == false) { \
SOCIALD_LOG_DEBUG("Ignoring spurious change reported for:" << \
event->uid() << event->revision() << event->summary()); \
} else if (startedUpdates) { \
event->endUpdates(); \
}
void extractAlarms(const QJsonObject &json, KCalCore::Event::Ptr event, int defaultReminderStartOffset, bool *changed)
{
int startOffset = -1;
if (json.contains(QStringLiteral("reminders"))) {
QJsonObject reminders = json.value(QStringLiteral("reminders")).toObject();
if (reminders.value(QStringLiteral("useDefault")).toBool()) {
if (defaultReminderStartOffset > 0) {
startOffset = defaultReminderStartOffset;
} else {
SOCIALD_LOG_DEBUG("not adding default reminder even though requested: not popup or invalid start offset.");
}
} else {
QJsonArray overrides = reminders.value(QStringLiteral("overrides")).toArray();
for (int i = 0; i < overrides.size(); ++i) {
QJsonObject override = overrides.at(i).toObject();
if (override.value(QStringLiteral("method")).toString() == QStringLiteral("popup")) {
startOffset = override.value(QStringLiteral("minutes")).toInt();
}
}
}
if (startOffset > -1) {
startOffset = nearestNemoReminderStartOffset(startOffset);
SOCIALD_LOG_DEBUG("event needs reminder with start offset (seconds):" << startOffset);
KCalCore::Alarm::List alarms = event->alarms();
int alarmCount = 0;
// check that we have only one non-procedure alarm,
// and then check to see if its start offset is correct.
for (int i = 0; i < alarms.count(); ++i) {
// we don't count Procedure type alarms.
if (alarms.at(i)->type() != KCalCore::Alarm::Procedure) {
alarmCount += 1;
if (alarms.at(i)->startOffset().asSeconds() == startOffset) {
// no change required to this alarm.
} else {
alarmCount += 1; // this will cause alarm modification.
}
}
}
if (alarmCount == 1) {
// no need to modify alarms for this event
SOCIALD_LOG_DEBUG("event already has reminder with start offset (seconds):" << startOffset);
} else {
SOCIALD_LOG_DEBUG("setting event reminder with start offset (seconds):" << startOffset);
START_EVENT_UPDATES_IF_REQUIRED(event, changed);
for (int i = 0; i < alarms.count(); ++i) {
if (alarms.at(i)->type() != KCalCore::Alarm::Procedure) {
event->removeAlarm(alarms.at(i));
}
}
KCalCore::Alarm::Ptr alarm = event->newAlarm();
alarm->setEnabled(true);
alarm->setStartOffset(KCalCore::Duration(startOffset));
}
}
}
if (startOffset == -1) {
// no reminders were defined in the json received from Google.
// remove any alarms as required from the local event.
KCalCore::Alarm::List alarms = event->alarms();
for (int i = 0; i < alarms.count(); ++i) {
if (alarms.at(i)->type() != KCalCore::Alarm::Procedure) {
SOCIALD_LOG_DEBUG("removing event reminder with start offset (seconds):" << alarms.at(i)->startOffset().asSeconds());
START_EVENT_UPDATES_IF_REQUIRED(event, changed);
event->removeAlarm(alarms.at(i));
}
}
}
}
void jsonToKCal(const QJsonObject &json, KCalCore::Event::Ptr event, int defaultReminderStartOffset, KCalCore::ICalFormat &icalFormat, bool *changed)
{
bool alreadyStarted = *changed; // if this is true, we don't need to call startUpdates/endUpdates() in this function.
if (!alreadyStarted && gCalETag(event) == json.value(QLatin1String("etag")).toVariant().toString()) {
SOCIALD_LOG_DEBUG("Ignoring non-remote-changed:" << event->uid() << ","
<< gCalETag(event) << "==" << json.value(QLatin1String("etag")).toVariant().toString());
return; // this event has not changed server-side since we last saw it.
}
KDateTime start, end;
bool startExists = false, endExists = false;
bool startIsDateOnly = false, endIsDateOnly = false;
bool isAllDay = false;
extractStartAndEnd(json, &startExists, &endExists, &startIsDateOnly, &endIsDateOnly, &isAllDay, &start, &end);
if (gCalEventId(event) != json.value(QLatin1String("id")).toVariant().toString()) {
START_EVENT_UPDATES_IF_REQUIRED(event, changed);
setGCalEventId(event, json.value(QLatin1String("id")).toVariant().toString());
}
if (gCalETag(event) != json.value(QLatin1String("etag")).toVariant().toString()) {
START_EVENT_UPDATES_IF_REQUIRED(event, changed);
setGCalETag(event, json.value(QLatin1String("etag")).toVariant().toString());
}
setRemoteUidCustomField(event, json.value(QLatin1String("iCalUID")).toVariant().toString(), json.value(QLatin1String("id")).toVariant().toString());
extractRecurrence(json.value(QLatin1String("recurrence")).toArray(), event, icalFormat);
extractOrganizer(json.value(QLatin1String("creator")).toObject(), json.value(QLatin1String("organizer")).toObject(), event);
extractAttendees(json.value(QLatin1String("attendees")).toArray(), event);
UPDATE_EVENT_PROPERTY_IF_REQUIRED(event, isReadOnly, setReadOnly, json.value(QLatin1String("locked")).toVariant().toBool(), changed)
UPDATE_EVENT_PROPERTY_IF_REQUIRED(event, summary, setSummary, json.value(QLatin1String("summary")).toVariant().toString(), changed)
UPDATE_EVENT_PROPERTY_IF_REQUIRED(event, description, setDescription, json.value(QLatin1String("description")).toVariant().toString(), changed)
UPDATE_EVENT_PROPERTY_IF_REQUIRED(event, location, setLocation, json.value(QLatin1String("location")).toVariant().toString(), changed)
UPDATE_EVENT_PROPERTY_IF_REQUIRED(event, revision, setRevision, json.value(QLatin1String("sequence")).toVariant().toInt(), changed)
if (startExists) {
UPDATE_EVENT_PROPERTY_IF_REQUIRED(event, dtStart, setDtStart, start, changed)
}
if (endExists) {
if (!event->hasEndDate() || event->dtEnd() != end) {
START_EVENT_UPDATES_IF_REQUIRED(event, changed);
event->setHasEndDate(true);
event->setDtEnd(end);
}
} else {
UPDATE_EVENT_PROPERTY_IF_REQUIRED(event, hasEndDate, setHasEndDate, false, changed)
}
if (isAllDay) {
UPDATE_EVENT_PROPERTY_IF_REQUIRED(event, allDay, setAllDay, false, changed)
}
extractAlarms(json, event, defaultReminderStartOffset, changed);
END_EVENT_UPDATES_IF_REQUIRED(event, changed, !alreadyStarted);
}
bool remoteModificationIsReal(const QJsonObject &json, KCalCore::Event::Ptr event)
{
if (gCalEventId(event) != json.value(QLatin1String("id")).toVariant().toString()) {
return true; // this event is either a partial-upsync-artifact or a new remote addition.
}
if (gCalETag(event) != json.value(QLatin1String("etag")).toVariant().toString()) {
return true; // this event has changed server-side since we last saw it.
}
return false; // this event has not changed server-side since we last saw it.
}
bool localModificationIsReal(const QJsonObject &local, const QJsonObject &remote, int defaultReminderStartOffset, KCalCore::ICalFormat &icalFormat)
{
bool changed = true;
KCalCore::Event::Ptr localEvent = KCalCore::Event::Ptr(new KCalCore::Event);
KCalCore::Event::Ptr remoteEvent = KCalCore::Event::Ptr(new KCalCore::Event);
jsonToKCal(local, localEvent, defaultReminderStartOffset, icalFormat, &changed);
jsonToKCal(remote, remoteEvent, defaultReminderStartOffset, icalFormat, &changed);
if (GoogleCalendarIncidenceComparator::incidencesEqual(localEvent, remoteEvent, true)) {
return false; // they're equal, so the local modification is not real.
}
return true;
}
// returns true if the last sync was marked as successful, and then marks the current
// sync as being unsuccessful. The sync adapter should set it to true manually
// once sync succeeds.
bool wasLastSyncSuccessful(int accountId, bool *needCleanSync)
{
QString settingsFileName = QString::fromLatin1("%1/%2/gcal.ini")
.arg(QString::fromLatin1(PRIVILEGED_DATA_DIR))
.arg(QString::fromLatin1(SYNC_DATABASE_DIR));
if (!QFile::exists(settingsFileName)) {
SOCIALD_LOG_DEBUG("gcal.ini settings file does not exist, triggering clean sync");
*needCleanSync = true;
return false;
}
QSettings settingsFile(settingsFileName, QSettings::IniFormat);
// needCleanSync will be true if and only if an unrecoverable error occurred during the previous sync.
*needCleanSync = settingsFile.value(QString::fromLatin1("%1-needCleanSync").arg(accountId), QVariant::fromValue<bool>(false)).toBool();
bool retn = settingsFile.value(QString::fromLatin1("%1-success").arg(accountId), QVariant::fromValue<bool>(false)).toBool();
settingsFile.setValue(QString::fromLatin1("%1-success").arg(accountId), QVariant::fromValue<bool>(false));
int pluginVersion = settingsFile.value(QString::fromLatin1("%1-pluginVersion").arg(accountId), QVariant::fromValue<int>(1)).toInt();
if (pluginVersion != GOOGLE_CAL_SYNC_PLUGIN_VERSION) {
settingsFile.setValue(QString::fromLatin1("%1-pluginVersion").arg(accountId), GOOGLE_CAL_SYNC_PLUGIN_VERSION);
SOCIALD_LOG_DEBUG("Google cal sync plugin version mismatch, force clean sync");
retn = false;
}
settingsFile.sync();
return retn;
}
void setLastSyncSuccessful(QList<int> accountIds)
{
QString settingsFileName = QString::fromLatin1("%1/%2/gcal.ini")
.arg(QString::fromLatin1(PRIVILEGED_DATA_DIR))
.arg(QString::fromLatin1(SYNC_DATABASE_DIR));
QSettings settingsFile(settingsFileName, QSettings::IniFormat);
Q_FOREACH(int accountId, accountIds) {
settingsFile.setValue(QString::fromLatin1("%1-needCleanSync").arg(accountId), QVariant::fromValue<bool>(false));
settingsFile.setValue(QString::fromLatin1("%1-success").arg(accountId), QVariant::fromValue<bool>(true));
}
settingsFile.sync();
}
void setLastSyncRequiresCleanSync(QList<int> accountIds)
{
QString settingsFileName = QString::fromLatin1("%1/%2/gcal.ini")
.arg(QString::fromLatin1(PRIVILEGED_DATA_DIR))
.arg(QString::fromLatin1(SYNC_DATABASE_DIR));
QSettings settingsFile(settingsFileName, QSettings::IniFormat);
Q_FOREACH(int accountId, accountIds) {
settingsFile.setValue(QString::fromLatin1("%1-needCleanSync").arg(accountId), QVariant::fromValue<bool>(true));
settingsFile.setValue(QString::fromLatin1("%1-success").arg(accountId), QVariant::fromValue<bool>(false));
}
settingsFile.sync();
}
}
GoogleCalendarSyncAdaptor::GoogleCalendarSyncAdaptor(QObject *parent)
: GoogleDataTypeSyncAdaptor(SocialNetworkSyncAdaptor::Calendars, parent)
, m_calendar(mKCal::ExtendedCalendar::Ptr(new mKCal::ExtendedCalendar(QLatin1String("UTC"))))
, m_storage(mKCal::ExtendedCalendar::defaultStorage(m_calendar))
, m_storageNeedsSave(false)
{
setInitialActive(true);
}
GoogleCalendarSyncAdaptor::~GoogleCalendarSyncAdaptor()
{
}
QString GoogleCalendarSyncAdaptor::syncServiceName() const
{
return QStringLiteral("google-calendars");
}
void GoogleCalendarSyncAdaptor::sync(const QString &dataTypeString, int accountId)
{
m_storage->open(); // we close it in finalCleanup()
m_prevSinceTimestamp[accountId] = lastSyncTimestamp(QLatin1String("google"),
SocialNetworkSyncAdaptor::dataTypeName(SocialNetworkSyncAdaptor::Calendars),
accountId);
GoogleDataTypeSyncAdaptor::sync(dataTypeString, accountId);
}
void GoogleCalendarSyncAdaptor::finalCleanup()
{
if (m_syncSucceeded.size()) {
// there is only one account per sync run, even though we haven't fully
// cleaned up the multi-account-isms from the member variables / API.
int accountId = m_syncSucceeded.keys().first();
if (m_syncSucceeded[accountId]) {
applyRemoteChangesLocally(accountId);
// only update the local last sync timestamp if sync succeeded
// otherwise, reset it back to the previous last sync timestamp.
QDateTime newSyncTimestamp = m_syncSucceeded[accountId]
? m_newSinceTimestamp[accountId]
: m_prevSinceTimestamp[accountId];
updateLastSyncTimestamp(QLatin1String("google"),
SocialNetworkSyncAdaptor::dataTypeName(SocialNetworkSyncAdaptor::Calendars),
accountId,
newSyncTimestamp);
if (!m_syncSucceeded[accountId]) {
SOCIALD_LOG_INFO("Error occurred while applying remote changes locally; reset last sync timestamp to:" << newSyncTimestamp);
} else {
// also update the remote sync timestamp in each notebook.
Q_FOREACH (const QString &updatedCalendarId, m_calendarsFinishedRequested.keys()) {
// Update the sync date for the notebook, to the timestamp reported by Google
// in the calendar request for the remote calendar associated with the notebook,
// if that timestamp is recent (within the last week). If it is older than that,
// update it to the current date minus one day, otherwise Google will return
// 410 GONE "UpdatedMin too old" error on subsequent requests.
QString updateTimestamp = m_calendarsFinishedRequested.value(updatedCalendarId);
mKCal::Notebook::Ptr notebook = notebookForCalendarId(accountId, updatedCalendarId);
if (!notebook) {
// may have been deleted due to a purge operation.
continue;
}
KDateTime oldSyncDate = notebook->syncDate();
KDateTime syncDate = datetimeFromUpdateStr(updateTimestamp);
KDateTime yesterdayDate = KDateTime::currentDateTime(KDateTime::Spec::UTC()).addDays(-1);
if (qAbs(syncDate.daysTo(yesterdayDate)) >= 7) {
syncDate = yesterdayDate;
}
if (oldSyncDate < syncDate) {
notebook->setSyncDate(syncDate);
}
m_storage->updateNotebook(notebook);
m_storageNeedsSave = true;
}
}
}
}