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Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/externalevents/CalendarReceiver.java
2023-08-14 18:40:39 +01:00

235 lines
11 KiB
Java

/* Copyright (C) 2017-2020 Andreas Shimokawa, Carsten Pfeiffer, Daniele
Gobbetti, Daniel Hauck
This file is part of Gadgetbridge.
Gadgetbridge is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Gadgetbridge 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
package nodomain.freeyourgadget.gadgetbridge.externalevents;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Calendar;
import java.util.Enumeration;
import java.util.GregorianCalendar;
import java.util.concurrent.TimeUnit;
import java.util.Hashtable;
import java.util.List;
import de.greenrobot.dao.query.QueryBuilder;
import nodomain.freeyourgadget.gadgetbridge.BuildConfig;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.database.DBHandler;
import nodomain.freeyourgadget.gadgetbridge.database.DBHelper;
import nodomain.freeyourgadget.gadgetbridge.entities.CalendarSyncState;
import nodomain.freeyourgadget.gadgetbridge.entities.CalendarSyncStateDao;
import nodomain.freeyourgadget.gadgetbridge.entities.DaoSession;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
import nodomain.freeyourgadget.gadgetbridge.model.CalendarEventSpec;
import nodomain.freeyourgadget.gadgetbridge.util.calendar.CalendarEvent;
import nodomain.freeyourgadget.gadgetbridge.util.calendar.CalendarManager;
import nodomain.freeyourgadget.gadgetbridge.util.GB;
public class CalendarReceiver extends BroadcastReceiver {
private static final Logger LOG = LoggerFactory.getLogger(CalendarReceiver.class);
private Hashtable<Long, EventSyncState> eventState = new Hashtable<>();
private GBDevice mGBDevice;
private class EventSyncState {
private int state;
private CalendarEvent event;
EventSyncState(CalendarEvent event, int state) {
this.state = state;
this.event = event;
}
public int getState() {
return state;
}
public void setState(int state) {
this.state = state;
}
public CalendarEvent getEvent() {
return event;
}
public void setEvent(CalendarEvent event) {
this.event = event;
}
}
private static class EventState {
private static final int NOT_SYNCED = 0;
private static final int SYNCED = 1;
private static final int NEEDS_UPDATE = 2;
private static final int NEEDS_DELETE = 3;
}
public CalendarReceiver(GBDevice gbDevice) {
LOG.info("Created calendar receiver.");
mGBDevice = gbDevice;
onReceive(GBApplication.getContext(), new Intent());
}
public GBDevice getGBDevice(){
return mGBDevice;
}
@Override
public void onReceive(Context context, Intent intent) {
LOG.info("got calendar changed broadcast");
List<CalendarEvent> eventList = (new CalendarManager(context, mGBDevice.getAddress())).getCalendarEventList();
syncCalendar(eventList);
}
public void syncCalendar(List<CalendarEvent> eventList) {
try (DBHandler dbHandler = GBApplication.acquireDB()) {
DaoSession session = dbHandler.getDaoSession();
syncCalendar(eventList, session);
} catch (Exception e1) {
GB.toast("Database Error while syncing Calendar", Toast.LENGTH_SHORT, GB.ERROR, e1);
}
}
public void syncCalendar(List<CalendarEvent> eventList, DaoSession session) {
LOG.info("Syncing with calendar.");
Hashtable<Long, CalendarEvent> eventTable = new Hashtable<>();
Long deviceId = DBHelper.getDevice(mGBDevice, session).getId();
QueryBuilder<CalendarSyncState> qb = session.getCalendarSyncStateDao().queryBuilder();
for (CalendarEvent e : eventList) {
long id = e.getId();
eventTable.put(id, e);
if (!eventState.containsKey(e.getId())) {
qb = session.getCalendarSyncStateDao().queryBuilder();
CalendarSyncState calendarSyncState = qb.where(qb.and(CalendarSyncStateDao.Properties.DeviceId.eq(deviceId), CalendarSyncStateDao.Properties.CalendarEntryId.eq(id)))
.build().unique();
if (calendarSyncState == null) {
eventState.put(id, new EventSyncState(e, EventState.NOT_SYNCED));
LOG.info("event id=" + id + " is yet unknown to device id=" + deviceId);
} else if (calendarSyncState.getHash() == e.hashCode()) {
eventState.put(id, new EventSyncState(e, EventState.SYNCED));
LOG.info("event id=" + id + " is up to date on device id=" + deviceId);
}
else {
eventState.put(id, new EventSyncState(e, EventState.NEEDS_UPDATE));
LOG.info("event id=" + id + " is not up to date on device id=" + deviceId);
}
}
}
// add all missing calendar ids on the device to sync status (so that they are deleted later)
List<CalendarSyncState> CalendarSyncStateList = qb.where(CalendarSyncStateDao.Properties.DeviceId.eq(deviceId)).build().list();
for (CalendarSyncState CalendarSyncState : CalendarSyncStateList) {
if (!eventState.containsKey(CalendarSyncState.getCalendarEntryId())) {
eventState.put(CalendarSyncState.getCalendarEntryId(), new EventSyncState(null, EventState.NEEDS_DELETE));
LOG.info("insert null event for orphaned calendar id=" + CalendarSyncState.getCalendarEntryId() + " for device=" + mGBDevice.getName());
}
}
Enumeration<Long> ids = eventState.keys();
while (ids.hasMoreElements()) {
qb = session.getCalendarSyncStateDao().queryBuilder();
Long i = ids.nextElement();
EventSyncState es = eventState.get(i);
if (eventTable.containsKey(i)) {
if (es.getState() == EventState.SYNCED) {
if (!es.getEvent().equals(eventTable.get(i))) {
eventState.put(i, new EventSyncState(eventTable.get(i), EventState.NEEDS_UPDATE));
}
}
} else {
if (es.getState() == EventState.NOT_SYNCED) {
// delete for current device only
qb.where(qb.and(CalendarSyncStateDao.Properties.DeviceId.eq(deviceId), CalendarSyncStateDao.Properties.CalendarEntryId.eq(i)))
.buildDelete().executeDeleteWithoutDetachingEntities();
eventState.remove(i);
} else {
es.setState(EventState.NEEDS_DELETE);
eventState.put(i, es);
}
}
updateEvents(deviceId, session);
}
}
private void updateEvents(Long deviceId, DaoSession session) {
Enumeration<Long> ids = eventState.keys();
while (ids.hasMoreElements()) {
Long i = ids.nextElement();
EventSyncState es = eventState.get(i);
int syncState = es.getState();
if (syncState == EventState.NOT_SYNCED || syncState == EventState.NEEDS_UPDATE) {
CalendarEvent calendarEvent = es.getEvent();
CalendarEventSpec calendarEventSpec = new CalendarEventSpec();
calendarEventSpec.id = i;
calendarEventSpec.title = calendarEvent.getTitle();
calendarEventSpec.allDay = calendarEvent.isAllDay();
calendarEventSpec.timestamp = calendarEvent.getBeginSeconds();
calendarEventSpec.durationInSeconds = calendarEvent.getDurationSeconds(); //FIXME: leads to problems right now
if (calendarEvent.isAllDay()) {
//force the all day events to begin at midnight and last N whole days
Calendar c = GregorianCalendar.getInstance();
int numDays = (int)TimeUnit.DAYS.convert(calendarEvent.getEnd()-calendarEvent.getBegin(),
TimeUnit.MILLISECONDS);
c.setTimeInMillis(calendarEvent.getBegin());
c.set(Calendar.HOUR_OF_DAY, 0);
//workaround for negative timezones
if(c.getTimeZone().getRawOffset()<0) c.add(Calendar.DAY_OF_MONTH, 1);
calendarEventSpec.timestamp = (int) (c.getTimeInMillis() / 1000);
calendarEventSpec.durationInSeconds = 24 * 60 * 60 * numDays;
}
calendarEventSpec.description = calendarEvent.getDescription();
calendarEventSpec.location = calendarEvent.getLocation();
calendarEventSpec.type = CalendarEventSpec.TYPE_UNKNOWN;
calendarEventSpec.calName = calendarEvent.getUniqueCalName();
calendarEventSpec.color = calendarEvent.getColor();
if (syncState == EventState.NEEDS_UPDATE) {
GBApplication.deviceService(mGBDevice).onDeleteCalendarEvent(CalendarEventSpec.TYPE_UNKNOWN, i);
}
GBApplication.deviceService(mGBDevice).onAddCalendarEvent(calendarEventSpec);
es.setState(EventState.SYNCED);
eventState.put(i, es);
// update db
session.insertOrReplace(new CalendarSyncState(null, deviceId, i, es.event.hashCode()));
} else if (syncState == EventState.NEEDS_DELETE) {
GBApplication.deviceService(mGBDevice).onDeleteCalendarEvent(CalendarEventSpec.TYPE_UNKNOWN, i);
eventState.remove(i);
// delete from db for current device only
QueryBuilder<CalendarSyncState> qb = session.getCalendarSyncStateDao().queryBuilder();
qb.where(qb.and(CalendarSyncStateDao.Properties.DeviceId.eq(deviceId), CalendarSyncStateDao.Properties.CalendarEntryId.eq(i)))
.buildDelete().executeDeleteWithoutDetachingEntities();
}
}
}
public static void forceSync() {
final Intent intent = new Intent("FORCE_CALENDAR_SYNC");
intent.setPackage(BuildConfig.APPLICATION_ID);
GBApplication.getContext().sendBroadcast(intent);
}
}