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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.hue.internal.handler.sensors;
  14
  15 import static org.openhab.binding.hue.internal.HueBindingConstants.*;
  16
  17 import java.time.Instant;
  18 import java.time.LocalDateTime;
  19 import java.time.ZoneId;
  20 import java.time.ZoneOffset;
  21 import java.time.ZonedDateTime;
  22 import java.time.format.DateTimeFormatter;
  23 import java.time.format.DateTimeParseException;
  24 import java.util.Map;
  25 import java.util.Set;
  26
  27 import org.eclipse.jdt.annotation.NonNullByDefault;
  28 import org.openhab.binding.hue.internal.dto.FullSensor;
  29 import org.openhab.binding.hue.internal.dto.SensorConfigUpdate;
  30 import org.openhab.binding.hue.internal.handler.HueSensorHandler;
  31 import org.openhab.core.config.core.Configuration;
  32 import org.openhab.core.library.types.DecimalType;
  33 import org.openhab.core.thing.Thing;
  34 import org.openhab.core.thing.ThingTypeUID;
  35
  36 /**
  37  * Hue Dimmer Switch
  38  *
  39  * @author Samuel Leisering - Initial contribution
  40  * @author Christoph Weitkamp - Initial contribution
  41  */
  42 @NonNullByDefault
  43 public class DimmerSwitchHandler extends HueSensorHandler {
  44
  45     public static final Set<ThingTypeUID> SUPPORTED_THING_TYPES = Set.of(THING_TYPE_DIMMER_SWITCH);
  46
  47     public DimmerSwitchHandler(Thing thing) {
  48         super(thing);
  49     }
  50
  51     @Override
  52     protected SensorConfigUpdate doConfigurationUpdate(Map<String, Object> configurationParameters) {
  53         return new SensorConfigUpdate();
  54     }
  55
  56     @Override
  57     protected void doSensorStateChanged(FullSensor sensor, Configuration config) {
  58         ZoneId zoneId = ZoneId.systemDefault();
  59         ZonedDateTime now = ZonedDateTime.now(zoneId), timestamp = now;
  60
  61         Object lastUpdated = sensor.getState().get(FullSensor.STATE_LAST_UPDATED);
  62         if (lastUpdated != null) {
  63             try {
  64                 timestamp = ZonedDateTime.ofInstant(
  65                         LocalDateTime.parse(String.valueOf(lastUpdated), DateTimeFormatter.ISO_LOCAL_DATE_TIME),
  66                         ZoneOffset.UTC, zoneId);
  67             } catch (DateTimeParseException e) {
  68                 // do nothing
  69             }
  70         }
  71
  72         Object buttonState = sensor.getState().get(FullSensor.STATE_BUTTON_EVENT);
  73         if (buttonState != null) {
  74             String value = String.valueOf(buttonState);
  75             updateState(CHANNEL_DIMMER_SWITCH, new DecimalType(value));
  76             // Avoid dispatching events if "lastupdated" is older than now minus 3 seconds (e.g. during restart)
  77             Instant then = timestamp.toInstant();
  78             Instant someSecondsEarlier = now.minusSeconds(3).toInstant();
  79             if (then.isAfter(someSecondsEarlier) && then.isBefore(now.toInstant())) {
  80                 triggerChannel(EVENT_DIMMER_SWITCH, value);
  81             }
  82         }
  83     }
  84 }