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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;
  14
  15 import static org.openhab.binding.hue.internal.HueBindingConstants.*;
  16 import static org.openhab.binding.hue.internal.dto.FullSensor.*;
  17 import static org.openhab.core.thing.Thing.*;
  18
  19 import java.time.LocalDateTime;
  20 import java.time.ZoneId;
  21 import java.time.ZoneOffset;
  22 import java.time.ZonedDateTime;
  23 import java.time.format.DateTimeFormatter;
  24 import java.time.format.DateTimeParseException;
  25 import java.util.Map;
  26 import java.util.Objects;
  27
  28 import org.eclipse.jdt.annotation.NonNullByDefault;
  29 import org.eclipse.jdt.annotation.Nullable;
  30 import org.openhab.binding.hue.internal.dto.FullSensor;
  31 import org.openhab.binding.hue.internal.dto.SensorConfigUpdate;
  32 import org.openhab.binding.hue.internal.dto.StateUpdate;
  33 import org.openhab.core.config.core.Configuration;
  34 import org.openhab.core.library.types.DateTimeType;
  35 import org.openhab.core.library.types.DecimalType;
  36 import org.openhab.core.library.types.OnOffType;
  37 import org.openhab.core.thing.Bridge;
  38 import org.openhab.core.thing.ChannelUID;
  39 import org.openhab.core.thing.Thing;
  40 import org.openhab.core.thing.ThingStatus;
  41 import org.openhab.core.thing.ThingStatusDetail;
  42 import org.openhab.core.thing.ThingStatusInfo;
  43 import org.openhab.core.thing.binding.BaseThingHandler;
  44 import org.openhab.core.thing.binding.ThingHandler;
  45 import org.openhab.core.types.Command;
  46 import org.slf4j.Logger;
  47 import org.slf4j.LoggerFactory;
  48
  49 /**
  50  * Abstract Sensor Handler
  51  *
  52  * @author Samuel Leisering - Initial contribution
  53  * @author Christoph Weitkamp - Initial contribution
  54  */
  55 @NonNullByDefault
  56 public abstract class HueSensorHandler extends BaseThingHandler implements SensorStatusListener {
  57
  58     private final Logger logger = LoggerFactory.getLogger(HueSensorHandler.class);
  59
  60     private @NonNullByDefault({}) String sensorId;
  61
  62     private boolean configInitializedSuccessfully;
  63     private boolean propertiesInitializedSuccessfully;
  64
  65     private @Nullable HueClient hueClient;
  66
  67     protected @Nullable FullSensor lastFullSensor;
  68
  69     public HueSensorHandler(Thing thing) {
  70         super(thing);
  71     }
  72
  73     @Override
  74     public void initialize() {
  75         logger.debug("Initializing Hue sensor handler.");
  76         Bridge bridge = getBridge();
  77         initializeThing((bridge == null) ? null : bridge.getStatus());
  78     }
  79
  80     @Override
  81     public void bridgeStatusChanged(ThingStatusInfo bridgeStatusInfo) {
  82         logger.debug("bridgeStatusChanged {}", bridgeStatusInfo);
  83         initializeThing(bridgeStatusInfo.getStatus());
  84     }
  85
  86     private void initializeThing(@Nullable ThingStatus bridgeStatus) {
  87         logger.debug("initializeThing thing {} bridge status {}", getThing().getUID(), bridgeStatus);
  88         final String configSensorId = (String) getConfig().get(SENSOR_ID);
  89         if (configSensorId != null) {
  90             sensorId = configSensorId;
  91             // note: this call implicitly registers our handler as a listener on the bridge
  92             HueClient bridgeHandler = getHueClient();
  93             if (bridgeHandler != null) {
  94                 if (bridgeStatus == ThingStatus.ONLINE) {
  95                     initializeProperties(bridgeHandler.getSensorById(sensorId));
  96                     updateStatus(ThingStatus.ONLINE);
  97                 } else {
  98                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_OFFLINE);
  99                 }
 100             } else {
 101                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_UNINITIALIZED);
 102             }
 103         } else {
 104             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 105                     "@text/offline.conf-error-no-sensor-id");
 106         }
 107     }
 108
 109     private synchronized void initializeProperties(@Nullable FullSensor fullSensor) {
 110         if (!propertiesInitializedSuccessfully && fullSensor != null) {
 111             Map<String, String> properties = editProperties();
 112             String softwareVersion = fullSensor.getSoftwareVersion();
 113             if (softwareVersion != null) {
 114                 properties.put(PROPERTY_FIRMWARE_VERSION, softwareVersion);
 115             }
 116             String modelId = fullSensor.getNormalizedModelID();
 117             if (modelId != null) {
 118                 properties.put(PROPERTY_MODEL_ID, modelId);
 119             }
 120             properties.put(PROPERTY_VENDOR, fullSensor.getManufacturerName());
 121             properties.put(PROPERTY_PRODUCT_NAME, fullSensor.getProductName());
 122             String uniqueID = fullSensor.getUniqueID();
 123             if (uniqueID != null) {
 124                 properties.put(UNIQUE_ID, uniqueID);
 125             }
 126             updateProperties(properties);
 127             propertiesInitializedSuccessfully = true;
 128         }
 129     }
 130
 131     @Override
 132     public void dispose() {
 133         logger.debug("Hue sensor handler disposes. Unregistering listener.");
 134         if (sensorId != null) {
 135             HueClient bridgeHandler = getHueClient();
 136             if (bridgeHandler != null) {
 137                 bridgeHandler.unregisterSensorStatusListener(this);
 138                 hueClient = null;
 139             }
 140             sensorId = null;
 141         }
 142     }
 143
 144     protected synchronized @Nullable HueClient getHueClient() {
 145         if (hueClient == null) {
 146             Bridge bridge = getBridge();
 147             if (bridge == null) {
 148                 return null;
 149             }
 150             ThingHandler handler = bridge.getHandler();
 151             if (handler instanceof HueBridgeHandler) {
 152                 HueClient bridgeHandler = (HueClient) handler;
 153                 hueClient = bridgeHandler;
 154                 bridgeHandler.registerSensorStatusListener(this);
 155             } else {
 156                 return null;
 157             }
 158         }
 159         return hueClient;
 160     }
 161
 162     @Override
 163     public void handleCommand(ChannelUID channelUID, Command command) {
 164         handleCommand(channelUID.getId(), command);
 165     }
 166
 167     protected void handleCommand(String channel, Command command) {
 168         HueClient bridgeHandler = getHueClient();
 169         if (bridgeHandler == null) {
 170             logger.warn("Hue Bridge handler not found. Cannot handle command without bridge.");
 171             return;
 172         }
 173
 174         final FullSensor sensor = lastFullSensor;
 175         if (sensor == null) {
 176             logger.debug("Hue sensor not known on bridge. Cannot handle command.");
 177             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 178                     "@text/offline.conf-error-wrong-sensor-id");
 179             return;
 180         }
 181
 182         StateUpdate sensorState = new StateUpdate();
 183         switch (channel) {
 184             case STATE_STATUS:
 185                 sensorState = sensorState.setStatus(((DecimalType) command).intValue());
 186                 break;
 187             case STATE_FLAG:
 188                 sensorState = sensorState.setFlag(OnOffType.ON.equals(command));
 189                 break;
 190         }
 191
 192         if (sensorState != null) {
 193             bridgeHandler.updateSensorState(sensor, sensorState);
 194         } else {
 195             logger.warn("Command sent to an unknown channel id: {}:{}", getThing().getUID(), channel);
 196         }
 197     }
 198
 199     @Override
 200     public void handleConfigurationUpdate(Map<String, Object> configurationParameters) {
 201         SensorConfigUpdate configUpdate = doConfigurationUpdate(configurationParameters);
 202         if (configurationParameters.containsKey(CONFIG_ON)) {
 203             configUpdate.setOn(Boolean.TRUE.equals(configurationParameters.get(CONFIG_ON)));
 204         }
 205
 206         if (!configUpdate.isEmpty()) {
 207             HueClient hueBridge = getHueClient();
 208             if (hueBridge == null) {
 209                 logger.warn("Hue Bridge handler not found. Cannot handle configuration update without bridge.");
 210                 return;
 211             }
 212
 213             final FullSensor sensor = lastFullSensor;
 214             if (sensor == null) {
 215                 logger.debug("Hue sensor not known on bridge. Cannot handle configuration update.");
 216                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 217                         "@text/offline.conf-error-wrong-sensor-id");
 218                 return;
 219             }
 220
 221             hueBridge.updateSensorConfig(sensor, configUpdate);
 222         }
 223
 224         super.handleConfigurationUpdate(configurationParameters);
 225     }
 226
 227     @Override
 228     public boolean onSensorStateChanged(FullSensor sensor) {
 229         logger.trace("onSensorStateChanged() was called");
 230
 231         final FullSensor lastSensor = lastFullSensor;
 232         if (lastSensor == null || !Objects.equals(lastSensor.getState(), sensor.getState())) {
 233             lastFullSensor = sensor;
 234         } else {
 235             return true;
 236         }
 237
 238         logger.trace("New state for sensor {}", sensorId);
 239
 240         initializeProperties(sensor);
 241
 242         if (Boolean.TRUE.equals(sensor.getConfig().get(CONFIG_REACHABLE))) {
 243             updateStatus(ThingStatus.ONLINE);
 244         } else {
 245             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.NONE, "@text/offline.sensor-not-reachable");
 246         }
 247
 248         // update generic sensor config
 249         final Configuration config = !configInitializedSuccessfully ? editConfiguration() : getConfig();
 250         if (sensor.getConfig().containsKey(CONFIG_ON)) {
 251             config.put(CONFIG_ON, sensor.getConfig().get(CONFIG_ON));
 252         }
 253
 254         // update specific sensor config
 255         doSensorStateChanged(sensor, config);
 256
 257         Object lastUpdated = sensor.getState().get(STATE_LAST_UPDATED);
 258         if (lastUpdated != null) {
 259             try {
 260                 updateState(CHANNEL_LAST_UPDATED,
 261                         new DateTimeType(ZonedDateTime.ofInstant(
 262                                 LocalDateTime.parse(String.valueOf(lastUpdated), DateTimeFormatter.ISO_LOCAL_DATE_TIME),
 263                                 ZoneOffset.UTC, ZoneId.systemDefault())));
 264             } catch (DateTimeParseException e) {
 265                 // do nothing
 266             }
 267         }
 268
 269         Object status = sensor.getState().get(STATE_STATUS);
 270         if (status != null) {
 271             try {
 272                 DecimalType value = new DecimalType(String.valueOf(status));
 273                 updateState(STATE_STATUS, value);
 274             } catch (DateTimeParseException e) {
 275                 // do nothing
 276             }
 277         }
 278         Object flag = sensor.getState().get(STATE_FLAG);
 279         if (flag != null) {
 280             try {
 281                 boolean value = Boolean.parseBoolean(String.valueOf(flag));
 282                 updateState(CHANNEL_FLAG, value ? OnOffType.ON : OnOffType.OFF);
 283             } catch (DateTimeParseException e) {
 284                 // do nothing
 285             }
 286         }
 287
 288         Object battery = sensor.getConfig().get(CONFIG_BATTERY);
 289         if (battery != null) {
 290             DecimalType batteryLevel = DecimalType.valueOf(String.valueOf(battery));
 291             updateState(CHANNEL_BATTERY_LEVEL, batteryLevel);
 292             updateState(CHANNEL_BATTERY_LOW, batteryLevel.intValue() <= 10 ? OnOffType.ON : OnOffType.OFF);
 293         }
 294
 295         if (!configInitializedSuccessfully) {
 296             updateConfiguration(config);
 297             configInitializedSuccessfully = true;
 298         }
 299
 300         return true;
 301     }
 302
 303     @Override
 304     public void channelLinked(ChannelUID channelUID) {
 305         final FullSensor sensor = lastFullSensor;
 306         if (sensor != null) {
 307             onSensorStateChanged(sensor);
 308         }
 309     }
 310
 311     /**
 312      * Handles the sensors configuration change.
 313      *
 314      * @param configurationParameters
 315      * @return
 316      */
 317     protected abstract SensorConfigUpdate doConfigurationUpdate(Map<String, Object> configurationParameters);
 318
 319     /**
 320      * Handles the sensor change. Implementation should also update sensor-specific configuration that changed since the
 321      * last update.
 322      *
 323      * @param sensor the sensor
 324      * @param config the configuration in which to update the config states of the sensor
 325      */
 326     protected abstract void doSensorStateChanged(FullSensor sensor, Configuration config);
 327
 328     @Override
 329     public void onSensorRemoved() {
 330         updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.NONE, "@text/offline.sensor-not-reachable");
 331     }
 332
 333     @Override
 334     public void onSensorGone() {
 335         updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.GONE, "@text/offline.conf-error-wrong-sensor-id");
 336     }
 337
 338     @Override
 339     public void onSensorAdded(FullSensor sensor) {
 340         onSensorStateChanged(sensor);
 341     }
 342
 343     @Override
 344     public String getSensorId() {
 345         return sensorId;
 346     }
 347 }