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   1 /**
   2  * Copyright (c) 2010-2021 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.handler;
  14
  15 import static org.openhab.binding.nest.internal.NestBindingConstants.*;
  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.openhab.binding.nest.internal.data.SmokeDetector;
  21 import org.openhab.binding.nest.internal.data.SmokeDetector.BatteryHealth;
  22 import org.openhab.core.thing.ChannelUID;
  23 import org.openhab.core.thing.Thing;
  24 import org.openhab.core.thing.ThingStatus;
  25 import org.openhab.core.types.Command;
  26 import org.openhab.core.types.State;
  27 import org.openhab.core.types.UnDefType;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 /**
  32  * The smoke detector handler, it handles the data from Nest for the smoke detector.
  33  *
  34  * @author David Bennett - Initial contribution
  35  * @author Wouter Born - Handle channel refresh command
  36  */
  37 @NonNullByDefault
  38 public class NestSmokeDetectorHandler extends NestBaseHandler<SmokeDetector> {
  39     private final Logger logger = LoggerFactory.getLogger(NestSmokeDetectorHandler.class);
  40
  41     public NestSmokeDetectorHandler(Thing thing) {
  42         super(thing, SmokeDetector.class);
  43     }
  44
  45     @Override
  46     protected State getChannelState(ChannelUID channelUID, SmokeDetector smokeDetector) {
  47         switch (channelUID.getId()) {
  48             case CHANNEL_CO_ALARM_STATE:
  49                 return getAsStringTypeOrNull(smokeDetector.getCoAlarmState());
  50             case CHANNEL_LAST_CONNECTION:
  51                 return getAsDateTimeTypeOrNull(smokeDetector.getLastConnection());
  52             case CHANNEL_LAST_MANUAL_TEST_TIME:
  53                 return getAsDateTimeTypeOrNull(smokeDetector.getLastManualTestTime());
  54             case CHANNEL_LOW_BATTERY:
  55                 return getAsOnOffTypeOrNull(smokeDetector.getBatteryHealth() == null ? null
  56                         : smokeDetector.getBatteryHealth() == BatteryHealth.REPLACE);
  57             case CHANNEL_MANUAL_TEST_ACTIVE:
  58                 return getAsOnOffTypeOrNull(smokeDetector.isManualTestActive());
  59             case CHANNEL_SMOKE_ALARM_STATE:
  60                 return getAsStringTypeOrNull(smokeDetector.getSmokeAlarmState());
  61             case CHANNEL_UI_COLOR_STATE:
  62                 return getAsStringTypeOrNull(smokeDetector.getUiColorState());
  63             default:
  64                 logger.error("Unsupported channelId '{}'", channelUID.getId());
  65                 return UnDefType.UNDEF;
  66         }
  67     }
  68
  69     /**
  70      * Handles any incoming command requests.
  71      */
  72     @Override
  73     public void handleCommand(ChannelUID channelUID, Command command) {
  74         if (REFRESH.equals(command)) {
  75             SmokeDetector lastUpdate = getLastUpdate();
  76             if (lastUpdate != null) {
  77                 updateState(channelUID, getChannelState(channelUID, lastUpdate));
  78             }
  79         }
  80     }
  81
  82     @Override
  83     protected void update(SmokeDetector oldSmokeDetector, SmokeDetector smokeDetector) {
  84         logger.debug("Updating {}", getThing().getUID());
  85
  86         updateLinkedChannels(oldSmokeDetector, smokeDetector);
  87         updateProperty(PROPERTY_FIRMWARE_VERSION, smokeDetector.getSoftwareVersion());
  88
  89         ThingStatus newStatus = smokeDetector.isOnline() == null ? ThingStatus.UNKNOWN
  90                 : smokeDetector.isOnline() ? ThingStatus.ONLINE : ThingStatus.OFFLINE;
  91         if (newStatus != thing.getStatus()) {
  92             updateStatus(newStatus);
  93         }
  94     }
  95 }