Mi Band 8: Sync calendar events

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/XiaomiSupport.java

@@ -56,6 +56,7 @@ import nodomain.freeyourgadget.gadgetbridge.service.btle.GattService;
 import nodomain.freeyourgadget.gadgetbridge.service.btle.TransactionBuilder;
 import nodomain.freeyourgadget.gadgetbridge.service.btle.actions.SetDeviceStateAction;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.xiaomi.services.AbstractXiaomiService;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.xiaomi.services.XiaomiCalendarService;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.xiaomi.services.XiaomiHealthService;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.xiaomi.services.XiaomiMusicService;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.xiaomi.services.XiaomiNotificationService;
@@ -75,6 +76,7 @@ public class XiaomiSupport extends AbstractBTLEDeviceSupport {
     private final XiaomiScheduleService scheduleService = new XiaomiScheduleService(this);
     private final XiaomiWeatherService weatherService = new XiaomiWeatherService(this);
     private final XiaomiSystemService systemService = new XiaomiSystemService(this);
+    private final XiaomiCalendarService calendarService = new XiaomiCalendarService(this);
 
     private final Map<Integer, AbstractXiaomiService> mServiceMap = new LinkedHashMap<Integer, AbstractXiaomiService>() {{
         put(XiaomiAuthService.COMMAND_TYPE, authService);
@@ -84,6 +86,7 @@ public class XiaomiSupport extends AbstractBTLEDeviceSupport {
         put(XiaomiScheduleService.COMMAND_TYPE, scheduleService);
         put(XiaomiWeatherService.COMMAND_TYPE, weatherService);
         put(XiaomiSystemService.COMMAND_TYPE, systemService);
+        put(XiaomiCalendarService.COMMAND_TYPE, calendarService);
     }};
 
     public XiaomiSupport() {
@@ -286,6 +289,10 @@ public class XiaomiSupport extends AbstractBTLEDeviceSupport {
             return;
         }
         systemService.setCurrentTime(builder);
+
+        // TODO this should not be done here
+        calendarService.syncCalendar(builder);
+
         builder.queue(getQueue());
     }
 
@@ -451,12 +458,12 @@ public class XiaomiSupport extends AbstractBTLEDeviceSupport {
 
     @Override
     public void onAddCalendarEvent(final CalendarEventSpec calendarEventSpec) {
-        scheduleService.onAddCalendarEvent(calendarEventSpec);
+        calendarService.onAddCalendarEvent(calendarEventSpec);
     }
 
     @Override
     public void onDeleteCalendarEvent(final byte type, long id) {
-        scheduleService.onDeleteCalendarEvent(type, id);
+        calendarService.onDeleteCalendarEvent(type, id);
     }
 
     @Override

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/services/XiaomiCalendarService.java

@@ -0,0 +1,149 @@
+/*  Copyright (C) 2023 José Rebelo
+
+    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.service.devices.xiaomi.services;
+
+import static nodomain.freeyourgadget.gadgetbridge.activities.devicesettings.DeviceSettingsPreferenceConst.PREF_SYNC_CALENDAR;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import nodomain.freeyourgadget.gadgetbridge.GBApplication;
+import nodomain.freeyourgadget.gadgetbridge.activities.devicesettings.DeviceSettingsPreferenceConst;
+import nodomain.freeyourgadget.gadgetbridge.model.CalendarEventSpec;
+import nodomain.freeyourgadget.gadgetbridge.proto.xiaomi.XiaomiProto;
+import nodomain.freeyourgadget.gadgetbridge.service.btle.TransactionBuilder;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.xiaomi.XiaomiSupport;
+import nodomain.freeyourgadget.gadgetbridge.util.Prefs;
+import nodomain.freeyourgadget.gadgetbridge.util.StringUtils;
+import nodomain.freeyourgadget.gadgetbridge.util.calendar.CalendarEvent;
+import nodomain.freeyourgadget.gadgetbridge.util.calendar.CalendarManager;
+
+public class XiaomiCalendarService extends AbstractXiaomiService {
+    private static final Logger LOG = LoggerFactory.getLogger(XiaomiCalendarService.class);
+
+    public static final int COMMAND_TYPE = 12;
+
+    private static final int CMD_CALENDAR_SET = 1;
+
+    private static final int MAX_EVENTS = 50; // TODO confirm actual limit
+
+    private final Set<CalendarEvent> lastSync = new HashSet<>();
+
+    public XiaomiCalendarService(final XiaomiSupport support) {
+        super(support);
+    }
+
+    @Override
+    public void handleCommand(final XiaomiProto.Command cmd) {
+        LOG.warn("Unknown calendar command {}", cmd.getSubtype());
+    }
+
+    @Override
+    public void initialize(final TransactionBuilder builder) {
+        syncCalendar(builder);
+    }
+
+    @Override
+    public boolean onSendConfiguration(final String config, final Prefs prefs) {
+        switch (config) {
+            case DeviceSettingsPreferenceConst.PREF_SYNC_CALENDAR:
+                syncCalendar();
+                return true;
+        }
+
+        return false;
+    }
+
+    public void onAddCalendarEvent(final CalendarEventSpec ignoredCalendarEventSpec) {
+        // we must sync everything
+        syncCalendar();
+    }
+
+    public void onDeleteCalendarEvent(final byte ignoredType, final long ignoredId) {
+        // we must sync everything
+        syncCalendar();
+    }
+
+    public void syncCalendar() {
+        final TransactionBuilder builder = getSupport().createTransactionBuilder("sync calendar");
+        syncCalendar(builder);
+        builder.queue(getSupport().getQueue());
+    }
+
+    public void syncCalendar(final TransactionBuilder builder) {
+        final boolean syncEnabled = GBApplication.getDeviceSpecificSharedPrefs(getSupport().getDevice().getAddress())
+                .getBoolean(PREF_SYNC_CALENDAR, false);
+
+        final XiaomiProto.CalendarSync.Builder calendarSync = XiaomiProto.CalendarSync.newBuilder();
+
+        if (!syncEnabled) {
+            LOG.debug("Calendar sync is disabled");
+            lastSync.clear();
+            calendarSync.setDisabled(true);
+        } else {
+            final CalendarManager upcomingEvents = new CalendarManager(getSupport().getContext(), getSupport().getDevice().getAddress());
+            final List<CalendarEvent> calendarEvents = upcomingEvents.getCalendarEventList();
+
+            final Set<CalendarEvent> thisSync = new HashSet<>();
+            int nEvents = 0;
+
+            for (final CalendarEvent calendarEvent : calendarEvents) {
+                if (nEvents++ > MAX_EVENTS) {
+                    LOG.warn("Syncing only first {} events of {}", MAX_EVENTS, calendarEvents.size());
+                    break;
+                }
+
+                thisSync.add(calendarEvent);
+
+                final XiaomiProto.CalendarEvent xiaomiCalendarEvent = XiaomiProto.CalendarEvent.newBuilder()
+                        .setTitle(calendarEvent.getTitle())
+                        .setDescription(StringUtils.ensureNotNull(calendarEvent.getDescription()))
+                        .setLocation(StringUtils.ensureNotNull(calendarEvent.getLocation()))
+                        .setStart(calendarEvent.getBeginSeconds())
+                        .setEnd((int) (calendarEvent.getEnd() / 1000))
+                        .setAllDay(calendarEvent.isAllDay())
+                        .setNotifyMinutesBefore(0) // TODO fetch from event
+                        .build();
+
+                calendarSync.addEvent(xiaomiCalendarEvent);
+            }
+
+            if (thisSync.equals(lastSync)) {
+                LOG.debug("Already synced this set of events, won't send to device");
+                return;
+            }
+
+            lastSync.clear();
+            lastSync.addAll(thisSync);
+        }
+
+        LOG.debug("Syncing {} calendar events", lastSync.size());
+
+        getSupport().sendCommand(
+                builder,
+                XiaomiProto.Command.newBuilder()
+                        .setType(COMMAND_TYPE)
+                        .setSubtype(CMD_CALENDAR_SET)
+                        .setCalendar(XiaomiProto.Calendar.newBuilder().setCalendarSync(calendarSync))
+                        .build()
+        );
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/services/XiaomiScheduleService.java

@@ -358,12 +358,4 @@ public class XiaomiScheduleService extends AbstractXiaomiService {
                         .build()
         );
     }
-
-    public void onAddCalendarEvent(final CalendarEventSpec calendarEventSpec) {
-        // TODO
-    }
-
-    public void onDeleteCalendarEvent(final byte type, long id) {
-        // TODO
-    }
 }

app/src/main/proto/xiaomi.proto

@@ -12,6 +12,7 @@ message Command {
   optional Auth auth = 3;
   optional System system = 4;
   optional Health health = 10;
+  optional Calendar calendar = 14;
   optional Music music = 20;
   optional Notification notification = 9;
   optional Weather weather = 12;
@@ -145,7 +146,7 @@ message Clock {
   required Date date = 1;
   required Time time = 2;
   required TimeZone timezone = 3;
-  required bool isNot24hour = 4;
+  optional bool isNot24hour = 4;
 }
 
 message Date {
@@ -418,6 +419,29 @@ message RealTimeStats {
   optional uint32 standingHours = 6;
 }
 
+//
+// Calendar
+//
+
+message Calendar {
+  optional CalendarSync calendarSync = 2;
+}
+
+message CalendarSync {
+  repeated CalendarEvent event = 1;
+  optional bool disabled = 2;
+}
+
+message CalendarEvent {
+  optional string title = 1;
+  optional string description = 2;
+  optional string location = 3;
+  optional uint32 start = 4; // unix epoch sec
+  optional uint32 end = 5; // unix epoch sec
+  optional bool allDay = 6;
+  optional uint32 notifyMinutesBefore = 7;
+}
+
 //
 // Music
 //
@@ -544,7 +568,7 @@ message Schedule {
   // 17, 3 -> returns 17, 5
   optional Alarm editAlarm = 3;
 
-  optional uint32 ackId = 4; // id of created or edited alarm and event
+  optional uint32 ackId = 4; // id of created or edited alarm and reminder
 
   // 17, 4
   optional AlarmDelete deleteAlarm = 5;
@@ -552,8 +576,8 @@ message Schedule {
   // 17, 8 get | 17, 9 set
   optional SleepMode sleepMode = 9;
 
-  // 17, 14 get: 10 -> 2: 50 // max events?
+  // 17, 14 get: 10 -> 2: 50 // max reminders?
-  optional Events events = 10;
+  optional Reminders reminders = 10;
 
   // 17,10 get/ret | 17,11 create | 17,13 delete
   optional WorldClocks worldClocks = 11;
@@ -561,13 +585,13 @@ message Schedule {
   optional uint32 worldClockStatus = 13; // 0 on edit and create
 
   // 17, 15
-  optional EventDetails createEvent = 14;
+  optional ReminderDetails createReminder = 14;
 
   // 17, 17
-  optional Event editEvent = 15;
+  optional Reminder editReminder = 15;
 
   // 17, 18
-  optional EventDelete deleteEvent = 17;
+  optional ReminderDelete deleteReminder = 17;
 }
 
 message Alarms {
@@ -605,17 +629,17 @@ message SleepModeSchedule {
   optional uint32 unknown3 = 3; // 0
 }
 
-message Events {
+message Reminders {
-  repeated Event event = 1;
+  repeated Reminder reminder = 1;
-  optional uint32 unknown2 = 2; // 50, max events?
+  optional uint32 unknown2 = 2; // 50, max reminder?
 }
 
-message Event {
+message Reminder {
   optional uint32 id = 1;
-  optional EventDetails eventDetails = 2;
+  optional ReminderDetails reminderDetails = 2;
 }
 
-message EventDetails {
+message ReminderDetails {
   optional Date date = 1;
   optional Time time = 2;
   optional uint32 repeatMode = 3; // 0 once, 1 daily, weekly (every monday), 7 monthly, 8 yearly
@@ -623,7 +647,7 @@ message EventDetails {
   optional string title = 5;
 }
 
-message EventDelete {
+message ReminderDelete {
   repeated uint32 id = 1;
 }