Mi Band 8: Basic workout summary parser (wip)

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/xiaomi/XiaomiActivitySummaryParser.java

@@ -1,28 +0,0 @@
-/*  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.devices.xiaomi;
-
-import nodomain.freeyourgadget.gadgetbridge.entities.BaseActivitySummary;
-import nodomain.freeyourgadget.gadgetbridge.model.ActivitySummaryParser;
-
-public class XiaomiActivitySummaryParser implements ActivitySummaryParser  {
-    @Override
-    public BaseActivitySummary parseBinaryData(final BaseActivitySummary summary) {
-        // TODO parse it
-        return summary;
-    }
-}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/xiaomi/XiaomiCoordinator.java

@@ -52,6 +52,7 @@ import nodomain.freeyourgadget.gadgetbridge.model.SleepRespiratoryRateSample;
 import nodomain.freeyourgadget.gadgetbridge.model.Spo2Sample;
 import nodomain.freeyourgadget.gadgetbridge.model.StressSample;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiLanguageType;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.xiaomi.activity.impl.WorkoutSummaryParser;
 import nodomain.freeyourgadget.gadgetbridge.util.FileUtils;
 
 public abstract class XiaomiCoordinator extends AbstractBLEDeviceCoordinator {
@@ -111,7 +112,7 @@ public abstract class XiaomiCoordinator extends AbstractBLEDeviceCoordinator {
     @Nullable
     @Override
     public ActivitySummaryParser getActivitySummaryParser(final GBDevice device) {
-        return new XiaomiActivitySummaryParser();
+        return new WorkoutSummaryParser();
     }
 
     @Override

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

@@ -154,6 +154,7 @@ public class XiaomiActivityFileId {
         SPORTS_OUTDOOR_RUNNING(Type.SPORTS, 1),
         SPORTS_FREESTYLE(Type.SPORTS, 8),
         SPORTS_ELLIPTICAL(Type.SPORTS, 11),
+        SPORTS_OUTDOOR_CYCLING(Type.SPORTS, 23),
         ;
 
         private final Type type;
@@ -182,6 +183,7 @@ public class XiaomiActivityFileId {
         UNKNOWN(-1),
         DETAILS(0),
         SUMMARY(1),
+        GPS_TRACK(2),
         ;
 
         private final int code;

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

@@ -24,6 +24,7 @@ import org.slf4j.LoggerFactory;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.xiaomi.XiaomiSupport;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.xiaomi.activity.impl.DailyDetailsParser;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.xiaomi.activity.impl.SleepDetailsParser;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.xiaomi.activity.impl.WorkoutSummaryParser;
 
 public abstract class XiaomiActivityParser {
     private static final Logger LOG = LoggerFactory.getLogger(XiaomiActivityParser.class);
@@ -67,6 +68,11 @@ public abstract class XiaomiActivityParser {
     private static XiaomiActivityParser createForSports(final XiaomiActivityFileId fileId) {
         assert fileId.getType() == XiaomiActivityFileId.Type.SPORTS;
 
+        switch (fileId.getDetailType()) {
+            case SUMMARY:
+                return new WorkoutSummaryParser();
+        }
+
         return null;
     }
 }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/activity/impl/WorkoutSummaryParser.java

@@ -0,0 +1,169 @@
+/*  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.activity.impl;
+
+import android.widget.Toast;
+
+import org.apache.commons.lang3.ArrayUtils;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.util.Date;
+
+import nodomain.freeyourgadget.gadgetbridge.GBApplication;
+import nodomain.freeyourgadget.gadgetbridge.database.DBHandler;
+import nodomain.freeyourgadget.gadgetbridge.database.DBHelper;
+import nodomain.freeyourgadget.gadgetbridge.entities.BaseActivitySummary;
+import nodomain.freeyourgadget.gadgetbridge.entities.DaoSession;
+import nodomain.freeyourgadget.gadgetbridge.entities.Device;
+import nodomain.freeyourgadget.gadgetbridge.entities.User;
+import nodomain.freeyourgadget.gadgetbridge.model.ActivityKind;
+import nodomain.freeyourgadget.gadgetbridge.model.ActivitySummaryParser;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.xiaomi.XiaomiSupport;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.xiaomi.activity.XiaomiActivityFileId;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.xiaomi.activity.XiaomiActivityParser;
+import nodomain.freeyourgadget.gadgetbridge.util.GB;
+
+public class WorkoutSummaryParser extends XiaomiActivityParser implements ActivitySummaryParser {
+    private static final Logger LOG = LoggerFactory.getLogger(WorkoutSummaryParser.class);
+
+    @Override
+    public boolean parse(final XiaomiSupport support, final XiaomiActivityFileId fileId, final byte[] bytes) {
+        BaseActivitySummary summary = new BaseActivitySummary();
+
+        summary.setStartTime(fileId.getTimestamp()); // due to a bug this has to be set
+        summary.setRawSummaryData(ArrayUtils.addAll(fileId.toBytes(), bytes));
+
+        try {
+            summary = parseBinaryData(summary);
+        } catch (final Exception e) {
+            LOG.error("Failed to parse workout summary", e);
+            GB.toast(support.getContext(), "Failed to parse workout summary", Toast.LENGTH_LONG, GB.ERROR, e);
+            return false;
+        }
+
+        summary.setSummaryData(null); // remove json before saving to database
+
+        try (DBHandler dbHandler = GBApplication.acquireDB()) {
+            final DaoSession session = dbHandler.getDaoSession();
+            final Device device = DBHelper.getDevice(support.getDevice(), session);
+            final User user = DBHelper.getUser(session);
+            summary.setDevice(device);
+            summary.setUser(user);
+            session.getBaseActivitySummaryDao().insertOrReplace(summary);
+        } catch (final Exception e) {
+            GB.toast(support.getContext(), "Error saving activity summary", Toast.LENGTH_LONG, GB.ERROR, e);
+            return false;
+        }
+
+        return true;
+    }
+
+    @Override
+    public BaseActivitySummary parseBinaryData(final BaseActivitySummary summary) {
+        final JSONObject summaryData = new JSONObject();
+
+        final ByteBuffer buf = ByteBuffer.wrap(summary.getRawSummaryData()).order(ByteOrder.LITTLE_ENDIAN);
+
+        final XiaomiActivityFileId fileId = XiaomiActivityFileId.from(buf);
+
+        final int version = fileId.getVersion();
+        final int headerSize;
+        switch (version) {
+            case 4:
+                headerSize = 6;
+                break;
+            default:
+                LOG.warn("Unable to parse workout summary version {}", fileId.getVersion());
+                return null;
+        }
+
+        final byte[] header = new byte[headerSize];
+        buf.get(header);
+
+        final short workoutType = buf.getShort();
+
+        switch (workoutType) {
+            case 6:
+                summary.setActivityKind(ActivityKind.TYPE_CYCLING);
+                break;
+            default:
+                summary.setActivityKind(ActivityKind.TYPE_UNKNOWN);
+        }
+
+        final int startTime = buf.getInt();
+        final int endTime = buf.getInt();
+
+        summary.setStartTime(new Date(startTime * 1000L));
+        summary.setEndTime(new Date(endTime * 1000L));
+
+        final int duration = buf.getInt();
+        addSummaryData(summaryData, "activeSeconds", duration, "seconds");
+
+        final int unknown1 = buf.getInt();
+        final int distance = buf.getInt();
+        addSummaryData(summaryData, "distanceMeters", distance, "meters");
+
+        final int unknown2 = buf.getShort();
+
+        final int calories = buf.getShort();
+        addSummaryData(summaryData, "caloriesBurnt", calories, "calories_unit");
+
+        final int unknown3 = buf.getInt();
+        final int unknown4 = buf.getInt();
+        final float maxSpeed = buf.getFloat();
+
+        final float avgHr = buf.get() & 0xff;
+        final float maxHr = buf.get() & 0xff;
+        final float minHr = buf.get() & 0xff;
+        addSummaryData(summaryData, "averageHR", avgHr, "bpm");
+        addSummaryData(summaryData, "maxHR", maxHr, "bpm");
+        addSummaryData(summaryData, "minHR", minHr, "bpm");
+
+        summary.setSummaryData(summaryData.toString());
+
+        return summary;
+    }
+
+    protected void addSummaryData(final JSONObject summaryData, final String key, final float value, final String unit) {
+        if (value > 0) {
+            try {
+                final JSONObject innerData = new JSONObject();
+                innerData.put("value", value);
+                innerData.put("unit", unit);
+                summaryData.put(key, innerData);
+            } catch (final JSONException ignore) {
+            }
+        }
+    }
+
+    protected void addSummaryData(final JSONObject summaryData, final String key, final String value) {
+        if (key != null && !key.equals("") && value != null && !value.equals("")) {
+            try {
+                final JSONObject innerData = new JSONObject();
+                innerData.put("value", value);
+                innerData.put("unit", "string");
+                summaryData.put(key, innerData);
+            } catch (final JSONException ignore) {
+            }
+        }
+    }
+}