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cpfeiffer 2017-09-17 22:36:01 +02:00
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app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband2/operations/FetchSportsSummaryOperation.java Normal file
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/* Copyright (C) 2016-2017 Carsten Pfeiffer
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.miband2.operations;
import android.bluetooth.BluetoothGatt;
import android.bluetooth.BluetoothGattCharacteristic;
import android.widget.Toast;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.concurrent.TimeUnit;
import nodomain.freeyourgadget.gadgetbridge.Logging;
import nodomain.freeyourgadget.gadgetbridge.devices.amazfitbip.AmazfitBipService;
import nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBand2Service;
import nodomain.freeyourgadget.gadgetbridge.service.btle.BLETypeConversions;
import nodomain.freeyourgadget.gadgetbridge.service.btle.TransactionBuilder;
import nodomain.freeyourgadget.gadgetbridge.service.btle.actions.WaitAction;
import nodomain.freeyourgadget.gadgetbridge.service.devices.miband2.MiBand2Support;
import nodomain.freeyourgadget.gadgetbridge.util.GB;
/**
* An operation that fetches activity data. For every fetch, a new operation must
* be created, i.e. an operation may not be reused for multiple fetches.
*/
public class FetchSportsSummaryOperation extends AbstractFetchOperation {
private static final Logger LOG = LoggerFactory.getLogger(FetchSportsSummaryOperation.class);
// private List<MiBandActivitySample> samples = new ArrayList<>(60*24); // 1day per default
private byte lastPacketCounter;
public FetchSportsSummaryOperation(MiBand2Support support) {
super(support);
}
@Override
protected void startFetching(TransactionBuilder builder) {
GregorianCalendar sinceWhen = getLastSuccessfulSyncTime();
// builder.write(characteristicFetch, BLETypeConversions.join(new byte[] {
// MiBand2Service.COMMAND_ACTIVITY_DATA_START_DATE,
// AmazfitBipService.COMMAND_ACTIVITY_DATA_TYPE_SPORTS_SUMMARIES},
// getSupport().getTimeBytes(sinceWhen, TimeUnit.MINUTES)));
// builder.add(new WaitAction(1000)); // TODO: actually wait for the success-reply
// builder.notify(characteristicActivityData, true);
// builder.write(characteristicFetch, new byte[] { MiBand2Service.COMMAND_FETCH_ACTIVITY_DATA });
}
@Override
protected void handleActivityFetchFinish() {
LOG.info("Fetching activity data has finished round " + fetchCount);
// GregorianCalendar lastSyncTimestamp = saveSamples();
// if (lastSyncTimestamp != null && needsAnotherFetch(lastSyncTimestamp)) {
// try {
// startFetching();
// return;
// } catch (IOException ex) {
// LOG.error("Error starting another round of fetching activity data", ex);
// }
// }
super.handleActivityFetchFinish();
}
@Override
public boolean onCharacteristicRead(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
LOG.warn("characteristic read: " + characteristic.getUuid() + ": " + Logging.formatBytes(characteristic.getValue()));
return super.onCharacteristicRead(gatt, characteristic, status);
}
/**
* Method to handle the incoming activity data.
* There are two kind of messages we currently know:
* - the first one is 11 bytes long and contains metadata (how many bytes to expect, when the data starts, etc.)
* - the second one is 20 bytes long and contains the actual activity data
* <p/>
* The first message type is parsed by this method, for every other length of the value param, bufferActivityData is called.
*
* @param value
*/
@Override
protected void handleActivityNotif(byte[] value) {
LOG.warn("sports data: " + Logging.formatBytes(value));
if (!isOperationRunning()) {
LOG.error("ignoring activity data notification because operation is not running. Data length: " + value.length);
getSupport().logMessageContent(value);
return;
}
if ((value.length % 4) == 1) {
if ((byte) (lastPacketCounter + 1) == value[0] ) {
lastPacketCounter++;
bufferActivityData(value);
} else {
GB.toast("Error fetching activity data, invalid package counter: " + value[0], Toast.LENGTH_LONG, GB.ERROR);
handleActivityFetchFinish();
return;
}
} else {
GB.toast("Error fetching activity data, unexpected package length: " + value.length, Toast.LENGTH_LONG, GB.ERROR);
LOG.warn("Unexpected activity data: " + Logging.formatBytes(value));
}
}
/**
* Creates samples from the given 17-length array
* @param value
*/
@Override
protected void bufferActivityData(byte[] value) {
// TODO: implement
// int len = value.length;
//
// if (len % 4 != 1) {
// throw new AssertionError("Unexpected activity array size: " + len);
// }
//
// for (int i = 1; i < len; i+=4) {
// }
}
@Override
protected String getLastSyncTimeKey() {
return getDevice().getAddress() + "_" + "lastSportsSyncTimeMillis";
}
protected GregorianCalendar getLastSuccessfulSyncTime() {
// FIXME: remove this!
GregorianCalendar calendar = BLETypeConversions.createCalendar();
calendar.add(Calendar.DAY_OF_MONTH, -1);
return calendar;
}
}