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   1 /**
   2  * Copyright (c) 2010-2020 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.deconz.internal.handler;
  14
  15 import static org.openhab.binding.deconz.internal.BindingConstants.*;
  16 import static org.openhab.core.library.unit.SIUnits.CELSIUS;
  17 import static org.openhab.core.library.unit.Units.PERCENT;
  18
  19 import java.math.BigDecimal;
  20 import java.util.Arrays;
  21 import java.util.Collections;
  22 import java.util.List;
  23 import java.util.Set;
  24
  25 import javax.measure.quantity.Temperature;
  26
  27 import org.eclipse.jdt.annotation.NonNullByDefault;
  28 import org.eclipse.jdt.annotation.Nullable;
  29 import org.openhab.binding.deconz.internal.dto.*;
  30 import org.openhab.binding.deconz.internal.types.ThermostatMode;
  31 import org.openhab.core.library.types.DecimalType;
  32 import org.openhab.core.library.types.OpenClosedType;
  33 import org.openhab.core.library.types.QuantityType;
  34 import org.openhab.core.library.types.StringType;
  35 import org.openhab.core.thing.ChannelUID;
  36 import org.openhab.core.thing.Thing;
  37 import org.openhab.core.thing.ThingTypeUID;
  38 import org.openhab.core.thing.binding.builder.ChannelBuilder;
  39 import org.openhab.core.thing.binding.builder.ThingBuilder;
  40 import org.openhab.core.thing.type.ChannelTypeUID;
  41 import org.openhab.core.types.Command;
  42 import org.openhab.core.types.RefreshType;
  43 import org.slf4j.Logger;
  44 import org.slf4j.LoggerFactory;
  45
  46 import com.google.gson.Gson;
  47
  48 /**
  49  * This sensor Thermostat Thing doesn't establish any connections, that is done by the bridge Thing.
  50  *
  51  * It waits for the bridge to come online, grab the websocket connection and bridge configuration
  52  * and registers to the websocket connection as a listener.
  53  *
  54  * A REST API call is made to get the initial sensor state.
  55  *
  56  * Only the Thermostat is supported by this Thing, because a unified state is kept
  57  * in {@link #sensorState}. Every field that got received by the REST API for this specific
  58  * sensor is published to the framework.
  59  *
  60  * @author Lukas Agethen - Initial contribution
  61  */
  62 @NonNullByDefault
  63 public class SensorThermostatThingHandler extends SensorBaseThingHandler {
  64     public static final Set<ThingTypeUID> SUPPORTED_THING_TYPES = Collections.singleton(THING_TYPE_THERMOSTAT);
  65
  66     private static final List<String> CONFIG_CHANNELS = Arrays.asList(CHANNEL_BATTERY_LEVEL, CHANNEL_BATTERY_LOW,
  67             CHANNEL_HEATSETPOINT, CHANNEL_TEMPERATURE_OFFSET, CHANNEL_THERMOSTAT_MODE);
  68
  69     private final Logger logger = LoggerFactory.getLogger(SensorThermostatThingHandler.class);
  70
  71     public SensorThermostatThingHandler(Thing thing, Gson gson) {
  72         super(thing, gson);
  73     }
  74
  75     @Override
  76     public void handleCommand(ChannelUID channelUID, Command command) {
  77         if (command instanceof RefreshType) {
  78             sensorState.buttonevent = null;
  79             valueUpdated(channelUID.getId(), sensorState, false);
  80             return;
  81         }
  82         ThermostatConfig newConfig = new ThermostatConfig();
  83         String channelId = channelUID.getId();
  84         switch (channelId) {
  85             case CHANNEL_HEATSETPOINT:
  86                 Integer newHeatsetpoint = getTemperatureFromCommand(command);
  87                 if (newHeatsetpoint == null) {
  88                     logger.warn("Heatsetpoint must not be null.");
  89                     return;
  90                 }
  91                 newConfig.heatsetpoint = newHeatsetpoint;
  92                 break;
  93             case CHANNEL_TEMPERATURE_OFFSET:
  94                 Integer newOffset = getTemperatureFromCommand(command);
  95                 if (newOffset == null) {
  96                     logger.warn("Offset must not be null.");
  97                     return;
  98                 }
  99                 newConfig.offset = newOffset;
 100                 break;
 101             case CHANNEL_THERMOSTAT_MODE:
 102                 if (command instanceof StringType) {
 103                     String thermostatMode = ((StringType) command).toString();
 104                     try {
 105                         newConfig.mode = ThermostatMode.valueOf(thermostatMode);
 106                     } catch (IllegalArgumentException ex) {
 107                         logger.warn("Invalid thermostat mode: {}. Valid values: {}", thermostatMode,
 108                                 ThermostatMode.values());
 109                         return;
 110                     }
 111                     if (newConfig.mode == ThermostatMode.UNKNOWN) {
 112                         logger.warn("Invalid thermostat mode: {}. Valid values: {}", thermostatMode,
 113                                 ThermostatMode.values());
 114                         return;
 115                     }
 116                 } else {
 117                     return;
 118                 }
 119                 break;
 120             default:
 121                 // no supported command
 122                 return;
 123
 124         }
 125
 126         sendCommand(newConfig, command, channelUID, null);
 127     }
 128
 129     @Override
 130     protected void valueUpdated(ChannelUID channelUID, SensorConfig newConfig) {
 131         super.valueUpdated(channelUID, newConfig);
 132         ThermostatMode thermostatMode = newConfig.mode;
 133         String mode = thermostatMode != null ? thermostatMode.name() : ThermostatMode.UNKNOWN.name();
 134         String channelID = channelUID.getId();
 135         switch (channelID) {
 136             case CHANNEL_HEATSETPOINT:
 137                 updateQuantityTypeChannel(channelID, newConfig.heatsetpoint, CELSIUS, 1.0 / 100);
 138                 break;
 139             case CHANNEL_TEMPERATURE_OFFSET:
 140                 updateQuantityTypeChannel(channelID, newConfig.offset, CELSIUS, 1.0 / 100);
 141                 break;
 142             case CHANNEL_THERMOSTAT_MODE:
 143                 updateState(channelUID, new StringType(mode));
 144                 break;
 145         }
 146     }
 147
 148     @Override
 149     protected void valueUpdated(String channelID, SensorState newState, boolean initializing) {
 150         super.valueUpdated(channelID, newState, initializing);
 151         switch (channelID) {
 152             case CHANNEL_TEMPERATURE:
 153                 updateQuantityTypeChannel(channelID, newState.temperature, CELSIUS, 1.0 / 100);
 154                 break;
 155             case CHANNEL_VALVE_POSITION:
 156                 updateQuantityTypeChannel(channelID, newState.valve, PERCENT, 100.0 / 255);
 157                 break;
 158             case CHANNEL_WINDOWOPEN:
 159                 String open = newState.windowopen;
 160                 if (open != null) {
 161                     updateState(channelID, "Closed".equals(open) ? OpenClosedType.CLOSED : OpenClosedType.OPEN);
 162                 }
 163                 break;
 164         }
 165     }
 166
 167     @Override
 168     protected void createTypeSpecificChannels(SensorConfig sensorConfig, SensorState sensorState) {
 169     }
 170
 171     @Override
 172     protected List<String> getConfigChannels() {
 173         return CONFIG_CHANNELS;
 174     }
 175
 176     private @Nullable Integer getTemperatureFromCommand(Command command) {
 177         BigDecimal newTemperature;
 178         if (command instanceof DecimalType) {
 179             newTemperature = ((DecimalType) command).toBigDecimal();
 180         } else if (command instanceof QuantityType) {
 181             @SuppressWarnings("unchecked")
 182             QuantityType<Temperature> temperatureCelsius = ((QuantityType<Temperature>) command).toUnit(CELSIUS);
 183             if (temperatureCelsius != null) {
 184                 newTemperature = temperatureCelsius.toBigDecimal();
 185             } else {
 186                 return null;
 187             }
 188         } else {
 189             return null;
 190         }
 191         return newTemperature.scaleByPowerOfTen(2).intValue();
 192     }
 193
 194     @Override
 195     protected void processStateResponse(DeconzBaseMessage stateResponse) {
 196         if (!(stateResponse instanceof SensorMessage)) {
 197             return;
 198         }
 199
 200         SensorMessage sensorMessage = (SensorMessage) stateResponse;
 201         if (sensorMessage.state.windowopen != null && thing.getChannel(CHANNEL_WINDOWOPEN) == null) {
 202             ThingBuilder thingBuilder = editThing();
 203             thingBuilder.withChannel(ChannelBuilder.create(new ChannelUID(thing.getUID(), CHANNEL_WINDOWOPEN), "String")
 204                     .withType(new ChannelTypeUID(BINDING_ID, "open")).build());
 205             updateThing(thingBuilder.build());
 206         }
 207
 208         super.processStateResponse(stateResponse);
 209     }
 210 }