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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.nest.internal.wwn.handler;
  14
  15 import static org.openhab.binding.nest.internal.wwn.WWNBindingConstants.*;
  16 import static org.openhab.core.thing.Thing.PROPERTY_FIRMWARE_VERSION;
  17 import static org.openhab.core.types.RefreshType.REFRESH;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.nest.internal.wwn.dto.WWNSmokeDetector;
  22 import org.openhab.binding.nest.internal.wwn.dto.WWNSmokeDetector.BatteryHealth;
  23 import org.openhab.core.thing.ChannelUID;
  24 import org.openhab.core.thing.Thing;
  25 import org.openhab.core.thing.ThingStatus;
  26 import org.openhab.core.types.Command;
  27 import org.openhab.core.types.State;
  28 import org.openhab.core.types.UnDefType;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 /**
  33  * The smoke detector handler, it handles the data from WWN for the smoke detector.
  34  *
  35  * @author David Bennett - Initial contribution
  36  * @author Wouter Born - Handle channel refresh command
  37  */
  38 @NonNullByDefault
  39 public class WWNSmokeDetectorHandler extends WWNBaseHandler<WWNSmokeDetector> {
  40     private final Logger logger = LoggerFactory.getLogger(WWNSmokeDetectorHandler.class);
  41
  42     public WWNSmokeDetectorHandler(Thing thing) {
  43         super(thing, WWNSmokeDetector.class);
  44     }
  45
  46     @Override
  47     protected State getChannelState(ChannelUID channelUID, WWNSmokeDetector smokeDetector) {
  48         switch (channelUID.getId()) {
  49             case CHANNEL_CO_ALARM_STATE:
  50                 return getAsStringTypeOrNull(smokeDetector.getCoAlarmState());
  51             case CHANNEL_LAST_CONNECTION:
  52                 return getAsDateTimeTypeOrNull(smokeDetector.getLastConnection());
  53             case CHANNEL_LAST_MANUAL_TEST_TIME:
  54                 return getAsDateTimeTypeOrNull(smokeDetector.getLastManualTestTime());
  55             case CHANNEL_LOW_BATTERY:
  56                 return getAsOnOffTypeOrNull(smokeDetector.getBatteryHealth() == null ? null
  57                         : smokeDetector.getBatteryHealth() == BatteryHealth.REPLACE);
  58             case CHANNEL_MANUAL_TEST_ACTIVE:
  59                 return getAsOnOffTypeOrNull(smokeDetector.isManualTestActive());
  60             case CHANNEL_SMOKE_ALARM_STATE:
  61                 return getAsStringTypeOrNull(smokeDetector.getSmokeAlarmState());
  62             case CHANNEL_UI_COLOR_STATE:
  63                 return getAsStringTypeOrNull(smokeDetector.getUiColorState());
  64             default:
  65                 logger.error("Unsupported channelId '{}'", channelUID.getId());
  66                 return UnDefType.UNDEF;
  67         }
  68     }
  69
  70     /**
  71      * Handles any incoming command requests.
  72      */
  73     @Override
  74     public void handleCommand(ChannelUID channelUID, Command command) {
  75         if (REFRESH.equals(command)) {
  76             WWNSmokeDetector lastUpdate = getLastUpdate();
  77             if (lastUpdate != null) {
  78                 updateState(channelUID, getChannelState(channelUID, lastUpdate));
  79             }
  80         }
  81     }
  82
  83     @Override
  84     protected void update(@Nullable WWNSmokeDetector oldSmokeDetector, WWNSmokeDetector smokeDetector) {
  85         logger.debug("Updating {}", getThing().getUID());
  86
  87         updateLinkedChannels(oldSmokeDetector, smokeDetector);
  88         updateProperty(PROPERTY_FIRMWARE_VERSION, smokeDetector.getSoftwareVersion());
  89
  90         ThingStatus newStatus = smokeDetector.isOnline() == null ? ThingStatus.UNKNOWN
  91                 : smokeDetector.isOnline() ? ThingStatus.ONLINE : ThingStatus.OFFLINE;
  92         if (newStatus != thing.getStatus()) {
  93             updateStatus(newStatus);
  94         }
  95     }
  96 }