Garmin: Infer sleep time for devices that do not send sleep stages

See #4048 for more information

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/garmin/GarminActivitySampleProvider.java

@@ -134,7 +134,12 @@ public class GarminActivitySampleProvider extends AbstractSampleProvider<GarminA
                     case 0: // start
                         // We only need the start event as an upper-bound timestamp (anything before it is unknown)
                         stagesMap.put(event.getTimestamp(), ActivityKind.UNKNOWN);
+                        break;
                     case 1: // stop
+                        // See FitImporter#processRawSleepSamples / #4048
+                        if (event.getData() != null && event.getData() == -1) {
+                            stagesMap.put(event.getTimestamp(), ActivityKind.LIGHT_SLEEP);
+                        }
                     default:
                 }
             }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/garmin/GarminCoordinator.java

@@ -7,8 +7,12 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 import java.util.Collections;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
+import de.greenrobot.dao.AbstractDao;
+import de.greenrobot.dao.Property;
 import nodomain.freeyourgadget.gadgetbridge.GBApplication;
 import nodomain.freeyourgadget.gadgetbridge.GBException;
 import nodomain.freeyourgadget.gadgetbridge.R;
@@ -24,6 +28,10 @@ import nodomain.freeyourgadget.gadgetbridge.entities.BaseActivitySummaryDao;
 import nodomain.freeyourgadget.gadgetbridge.entities.DaoSession;
 import nodomain.freeyourgadget.gadgetbridge.entities.Device;
 import nodomain.freeyourgadget.gadgetbridge.entities.GarminActivitySampleDao;
+import nodomain.freeyourgadget.gadgetbridge.entities.GarminBodyEnergySampleDao;
+import nodomain.freeyourgadget.gadgetbridge.entities.GarminEventSampleDao;
+import nodomain.freeyourgadget.gadgetbridge.entities.GarminHrvSummarySampleDao;
+import nodomain.freeyourgadget.gadgetbridge.entities.GarminHrvValueSampleDao;
 import nodomain.freeyourgadget.gadgetbridge.entities.GarminSleepStageSampleDao;
 import nodomain.freeyourgadget.gadgetbridge.entities.GarminSpo2SampleDao;
 import nodomain.freeyourgadget.gadgetbridge.entities.GarminStressSampleDao;
@@ -54,29 +62,24 @@ public abstract class GarminCoordinator extends AbstractBLEDeviceCoordinator {
     public void deleteAllActivityData(@NonNull final Device device, @NonNull final DaoSession session) throws GBException {
         final Long deviceId = device.getId();
 
-        session.getGarminActivitySampleDao().queryBuilder()
-                .where(GarminActivitySampleDao.Properties.DeviceId.eq(deviceId))
-                .buildDelete().executeDeleteWithoutDetachingEntities();
+        final Map<AbstractDao<?, ?>, Property> daoMap = new HashMap<AbstractDao<?, ?>, Property>() {{
+            put(session.getGarminActivitySampleDao(), GarminActivitySampleDao.Properties.DeviceId);
+            put(session.getGarminStressSampleDao(), GarminStressSampleDao.Properties.DeviceId);
+            put(session.getGarminBodyEnergySampleDao(), GarminBodyEnergySampleDao.Properties.DeviceId);
+            put(session.getGarminSpo2SampleDao(), GarminSpo2SampleDao.Properties.DeviceId);
+            put(session.getGarminSleepStageSampleDao(), GarminSleepStageSampleDao.Properties.DeviceId);
+            put(session.getGarminEventSampleDao(), GarminEventSampleDao.Properties.DeviceId);
+            put(session.getGarminHrvSummarySampleDao(), GarminHrvSummarySampleDao.Properties.DeviceId);
+            put(session.getGarminHrvValueSampleDao(), GarminHrvValueSampleDao.Properties.DeviceId);
+            put(session.getBaseActivitySummaryDao(), BaseActivitySummaryDao.Properties.DeviceId);
+            put(session.getPendingFileDao(), PendingFileDao.Properties.DeviceId);
+        }};
 
-        session.getGarminStressSampleDao().queryBuilder()
-                .where(GarminStressSampleDao.Properties.DeviceId.eq(deviceId))
-                .buildDelete().executeDeleteWithoutDetachingEntities();
-
-        session.getGarminSleepStageSampleDao().queryBuilder()
-                .where(GarminSleepStageSampleDao.Properties.DeviceId.eq(deviceId))
-                .buildDelete().executeDeleteWithoutDetachingEntities();
-
-        session.getGarminSpo2SampleDao().queryBuilder()
-                .where(GarminSpo2SampleDao.Properties.DeviceId.eq(deviceId))
-                .buildDelete().executeDeleteWithoutDetachingEntities();
-
-        session.getBaseActivitySummaryDao().queryBuilder()
-                .where(BaseActivitySummaryDao.Properties.DeviceId.eq(deviceId))
-                .buildDelete().executeDeleteWithoutDetachingEntities();
-
-        session.getPendingFileDao().queryBuilder()
-                .where(PendingFileDao.Properties.DeviceId.eq(deviceId))
-                .buildDelete().executeDeleteWithoutDetachingEntities();
+        for (final Map.Entry<AbstractDao<?, ?>, Property> e : daoMap.entrySet()) {
+            e.getKey().queryBuilder()
+                    .where(e.getValue().eq(deviceId))
+                    .buildDelete().executeDeleteWithoutDetachingEntities();
+        }
     }
 
     @Override

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/garmin/fit/FitImporter.java

@@ -57,6 +57,8 @@ import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.messages.
 import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.messages.FitPhysiologicalMetrics;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.messages.FitRecord;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.messages.FitSession;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.messages.FitSleepDataInfo;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.messages.FitSleepDataRaw;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.messages.FitSleepStage;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.messages.FitSpo2;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.messages.FitSport;
@@ -79,6 +81,8 @@ public class FitImporter {
     private final List<GarminHrvSummarySample> hrvSummarySamples = new ArrayList<>();
     private final List<GarminHrvValueSample> hrvValueSamples = new ArrayList<>();
     private final Map<Integer, Integer> unknownRecords = new HashMap<>();
+    private FitSleepDataInfo fitSleepDataInfo = null;
+    private final List<FitSleepDataRaw> fitSleepDataRawSamples = new ArrayList<>();
     private FitFileId fileId = null;
 
     private final GarminWorkoutParser workoutParser;
@@ -131,6 +135,18 @@ public class FitImporter {
                     sample.setEnergy(energy);
                     bodyEnergySamples.add(sample);
                 }
+            } else if (record instanceof FitSleepDataInfo) {
+                final FitSleepDataInfo newFitSleepDataInfo = (FitSleepDataInfo) record;
+                LOG.debug("Sleep Data Info: {}", newFitSleepDataInfo);
+                if (fitSleepDataInfo != null) {
+                    // Should not happen
+                    LOG.warn("Already had sleep data info: {}", fitSleepDataInfo);
+                }
+                fitSleepDataInfo = newFitSleepDataInfo;
+            } else if (record instanceof FitSleepDataRaw) {
+                final FitSleepDataRaw fitSleepDataRaw = (FitSleepDataRaw) record;
+                //LOG.debug("Sleep Data Raw: {}", fitSleepDataRaw);
+                fitSleepDataRawSamples.add(fitSleepDataRaw);
             } else if (record instanceof FitSleepStage) {
                 final FieldDefinitionSleepStage.SleepStage stage = ((FitSleepStage) record).getSleepStage();
                 if (stage == null) {
@@ -260,6 +276,7 @@ public class FitImporter {
             case SLEEP:
                 persistEvents();
                 persistSleepStageSamples();
+                processRawSleepSamples();
                 break;
             case HRV_STATUS:
                 persistHrvSummarySamples();
@@ -346,6 +363,8 @@ public class FitImporter {
         hrvSummarySamples.clear();
         hrvValueSamples.clear();
         unknownRecords.clear();
+        fitSleepDataInfo = null;
+        fitSleepDataRawSamples.clear();
         fileId = null;
         workoutParser.reset();
     }
@@ -469,7 +488,11 @@ public class FitImporter {
     }
 
     private void persistSleepStageSamples() {
-        if (sleepStageSamples.isEmpty()) {
+        // We may have samples, but not sleep samples - #4048
+        // 0 unmeasurable, 1 awake
+        final boolean anySleepSample = sleepStageSamples.stream()
+                .anyMatch(s -> s.getStage() != 0 && s.getStage() != 1);
+        if (!anySleepSample) {
             return;
         }
 
@@ -494,6 +517,61 @@ public class FitImporter {
         }
     }
 
+    /**
+     * As per #4048, devices that do not have a sleep widget send raw sleep samples, which we do not
+     * know how to parse. Therefore, we don't persist the sleep stages they report (they're all awake),
+     * but we fake light sleep for the duration of the raw sleep samples, in order to have some data
+     * at all.
+     */
+    private void processRawSleepSamples() {
+        if (fitSleepDataRawSamples.isEmpty()) {
+            return;
+        }
+
+        final boolean anySleepSample = sleepStageSamples.stream()
+                .anyMatch(s -> s.getStage() != 0 && s.getStage() != 1);
+        if (anySleepSample) {
+            // We have at least one real sleep sample - do nothing
+            return;
+        }
+
+        final long asleepTimeMillis = Objects.requireNonNull(fileId.getTimeCreated()).intValue() * 1000L;
+        final long wakeTimeMillis = asleepTimeMillis + fitSleepDataRawSamples.size() * 60 * 1000L;
+
+        LOG.debug("Got {} raw sleep samples - faking sleep events from {} to {}", fitSleepDataRawSamples.size(), asleepTimeMillis, wakeTimeMillis);
+
+        // We only need to fake sleep start and end times, the sample provider will take care of the rest
+        try (DBHandler handler = GBApplication.acquireDB()) {
+            final DaoSession session = handler.getDaoSession();
+
+            final Device device = DBHelper.getDevice(gbDevice, session);
+            final User user = DBHelper.getUser(session);
+
+            final GarminEventSampleProvider sampleProvider = new GarminEventSampleProvider(gbDevice, session);
+
+            final GarminEventSample sampleFallAsleep = new GarminEventSample();
+            sampleFallAsleep.setTimestamp(asleepTimeMillis);
+            sampleFallAsleep.setEvent(74); // sleep
+            sampleFallAsleep.setEventType(0); // sleep start
+            sampleFallAsleep.setData(-1L); // in actual samples they're a garmin epoch, this way we can identify them
+            sampleFallAsleep.setDevice(device);
+            sampleFallAsleep.setUser(user);
+
+            final GarminEventSample sampleWakeUp = new GarminEventSample();
+            sampleWakeUp.setTimestamp(wakeTimeMillis);
+            sampleWakeUp.setEvent(74); // sleep
+            sampleWakeUp.setEventType(1); // sleep end
+            sampleWakeUp.setData(-1L); // in actual samples they're a garmin epoch, this way we can identify them
+            sampleWakeUp.setDevice(device);
+            sampleWakeUp.setUser(user);
+
+            sampleProvider.addSample(sampleFallAsleep);
+            sampleProvider.addSample(sampleWakeUp);
+        } catch (final Exception e) {
+            GB.toast(context, "Error faking event samples", Toast.LENGTH_LONG, GB.ERROR, e);
+        }
+    }
+
     private void persistHrvSummarySamples() {
         if (hrvSummarySamples.isEmpty()) {
             return;

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/garmin/fit/GlobalFITMessage.java

@@ -282,6 +282,19 @@ public class GlobalFITMessage {
             new FieldDefinitionPrimitive(253, BaseType.UINT32, "timestamp", FieldDefinitionFactory.FIELD.TIMESTAMP)
     ));
 
+    public static GlobalFITMessage SLEEP_DATA_INFO = new GlobalFITMessage(273, "SLEEP_DATA_INFO", Arrays.asList(
+            new FieldDefinitionPrimitive(0, BaseType.UINT8, "unk0"), // 2
+            new FieldDefinitionPrimitive(1, BaseType.UINT16, "sample_length"), // 60, sample time?
+            new FieldDefinitionPrimitive(2, BaseType.UINT32, "timestamp_in_tz"), // garmin timestamp, but in user timezone
+            new FieldDefinitionPrimitive(3, BaseType.ENUM, "unk3"), // 1
+            new FieldDefinitionPrimitive(4, BaseType.STRING, "version"), // matches ETE in settings
+            new FieldDefinitionPrimitive(253, BaseType.UINT32, "timestamp", FieldDefinitionFactory.FIELD.TIMESTAMP)
+    ));
+
+    public static GlobalFITMessage SLEEP_DATA_RAW = new GlobalFITMessage(274, "SLEEP_DATA_RAW", Arrays.asList(
+            new FieldDefinitionPrimitive(0, BaseType.BASE_TYPE_BYTE, "bytes") // arr of 20 bytes per sample
+    ));
+
     public static GlobalFITMessage SLEEP_STAGE = new GlobalFITMessage(275, "SLEEP_STAGE", Arrays.asList(
             new FieldDefinitionPrimitive(0, BaseType.ENUM, "sleep_stage", FieldDefinitionFactory.FIELD.SLEEP_STAGE),
             new FieldDefinitionPrimitive(253, BaseType.UINT32, "timestamp", FieldDefinitionFactory.FIELD.TIMESTAMP)
@@ -338,6 +351,8 @@ public class GlobalFITMessage {
         put(225, SET);
         put(227, STRESS_LEVEL);
         put(269, SPO2);
+        put(273, SLEEP_DATA_INFO);
+        put(274, SLEEP_DATA_RAW);
         put(275, SLEEP_STAGE);
         put(297, RESPIRATION_RATE);
         put(346, SLEEP_STATS);

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/garmin/fit/fieldDefinitions/FieldDefinitionSleepStage.java

@@ -28,6 +28,7 @@ public class FieldDefinitionSleepStage extends FieldDefinition {
     }
 
     public enum SleepStage {
+        UNMEASURABLE(0),
         AWAKE(1),
         LIGHT(2),
         DEEP(3),

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/garmin/fit/messages/FitRecordDataFactory.java

@@ -67,6 +67,10 @@ public class FitRecordDataFactory {
                 return new FitStressLevel(recordDefinition, recordHeader);
             case 269:
                 return new FitSpo2(recordDefinition, recordHeader);
+            case 273:
+                return new FitSleepDataInfo(recordDefinition, recordHeader);
+            case 274:
+                return new FitSleepDataRaw(recordDefinition, recordHeader);
             case 275:
                 return new FitSleepStage(recordDefinition, recordHeader);
             case 297:

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/garmin/fit/messages/FitSleepDataInfo.java

@@ -0,0 +1,52 @@
+package nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.messages;
+
+import androidx.annotation.Nullable;
+
+import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.RecordData;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.RecordDefinition;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.RecordHeader;
+
+//
+// WARNING: This class was auto-generated, please avoid modifying it directly.
+// See nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.codegen.FitCodeGen
+//
+public class FitSleepDataInfo extends RecordData {
+    public FitSleepDataInfo(final RecordDefinition recordDefinition, final RecordHeader recordHeader) {
+        super(recordDefinition, recordHeader);
+
+        final int globalNumber = recordDefinition.getGlobalFITMessage().getNumber();
+        if (globalNumber != 273) {
+            throw new IllegalArgumentException("FitSleepDataInfo expects global messages of " + 273 + ", got " + globalNumber);
+        }
+    }
+
+    @Nullable
+    public Integer getUnk0() {
+        return (Integer) getFieldByNumber(0);
+    }
+
+    @Nullable
+    public Integer getSampleLength() {
+        return (Integer) getFieldByNumber(1);
+    }
+
+    @Nullable
+    public Long getTimestampInTz() {
+        return (Long) getFieldByNumber(2);
+    }
+
+    @Nullable
+    public Integer getUnk3() {
+        return (Integer) getFieldByNumber(3);
+    }
+
+    @Nullable
+    public String getVersion() {
+        return (String) getFieldByNumber(4);
+    }
+
+    @Nullable
+    public Long getTimestamp() {
+        return (Long) getFieldByNumber(253);
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/garmin/fit/messages/FitSleepDataRaw.java

@@ -0,0 +1,27 @@
+package nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.messages;
+
+import androidx.annotation.Nullable;
+
+import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.RecordData;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.RecordDefinition;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.RecordHeader;
+
+//
+// WARNING: This class was auto-generated, please avoid modifying it directly.
+// See nodomain.freeyourgadget.gadgetbridge.service.devices.garmin.fit.codegen.FitCodeGen
+//
+public class FitSleepDataRaw extends RecordData {
+    public FitSleepDataRaw(final RecordDefinition recordDefinition, final RecordHeader recordHeader) {
+        super(recordDefinition, recordHeader);
+
+        final int globalNumber = recordDefinition.getGlobalFITMessage().getNumber();
+        if (globalNumber != 274) {
+            throw new IllegalArgumentException("FitSleepDataRaw expects global messages of " + 274 + ", got " + globalNumber);
+        }
+    }
+
+    @Nullable
+    public Integer getBytes() {
+        return (Integer) getFieldByNumber(0);
+    }
+}