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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.io.homekit.internal.accessories;
  14
  15 import static org.openhab.io.homekit.internal.HomekitCharacteristicType.CURRENT_HEATING_COOLING_STATE;
  16 import static org.openhab.io.homekit.internal.HomekitCharacteristicType.TARGET_HEATING_COOLING_STATE;
  17
  18 import java.math.BigDecimal;
  19 import java.util.ArrayList;
  20 import java.util.List;
  21 import java.util.Map;
  22 import java.util.Optional;
  23 import java.util.concurrent.CompletableFuture;
  24
  25 import org.openhab.core.library.items.NumberItem;
  26 import org.openhab.core.library.types.DecimalType;
  27 import org.openhab.io.homekit.internal.HomekitAccessoryUpdater;
  28 import org.openhab.io.homekit.internal.HomekitCharacteristicType;
  29 import org.openhab.io.homekit.internal.HomekitSettings;
  30 import org.openhab.io.homekit.internal.HomekitTaggedItem;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 import io.github.hapjava.accessories.ThermostatAccessory;
  35 import io.github.hapjava.characteristics.HomekitCharacteristicChangeCallback;
  36 import io.github.hapjava.characteristics.impl.thermostat.CurrentHeatingCoolingStateEnum;
  37 import io.github.hapjava.characteristics.impl.thermostat.CurrentTemperatureCharacteristic;
  38 import io.github.hapjava.characteristics.impl.thermostat.TargetHeatingCoolingStateEnum;
  39 import io.github.hapjava.characteristics.impl.thermostat.TargetTemperatureCharacteristic;
  40 import io.github.hapjava.characteristics.impl.thermostat.TemperatureDisplayUnitEnum;
  41 import io.github.hapjava.services.impl.ThermostatService;
  42
  43 /**
  44  * Implements Thermostat as a GroupedAccessory made up of multiple items:
  45  * <ul>
  46  * <li>Current Temperature: Number type</li>
  47  * <li>Target Temperature: Number type</li>
  48  * <li>Current Heating/Cooling Mode: String type (see HomekitSettings.thermostat*Mode)</li>
  49  * <li>Target Heating/Cooling Mode: String type (see HomekitSettings.thermostat*Mode)</li>
  50  * </ul>
  51  *
  52  * @author Andy Lintner - Initial contribution
  53  */
  54 class HomekitThermostatImpl extends AbstractHomekitAccessoryImpl implements ThermostatAccessory {
  55     private final Logger logger = LoggerFactory.getLogger(HomekitThermostatImpl.class);
  56     private final Map<CurrentHeatingCoolingStateEnum, String> currentHeatingCoolingStateMapping;
  57     private final Map<TargetHeatingCoolingStateEnum, String> targetHeatingCoolingStateMapping;
  58     private final List<CurrentHeatingCoolingStateEnum> customCurrentHeatingCoolingStateList;
  59     private final List<TargetHeatingCoolingStateEnum> customTargetHeatingCoolingStateList;
  60
  61     public HomekitThermostatImpl(HomekitTaggedItem taggedItem, List<HomekitTaggedItem> mandatoryCharacteristics,
  62             HomekitAccessoryUpdater updater, HomekitSettings settings) {
  63         super(taggedItem, mandatoryCharacteristics, updater, settings);
  64         customCurrentHeatingCoolingStateList = new ArrayList<>();
  65         customTargetHeatingCoolingStateList = new ArrayList<>();
  66         currentHeatingCoolingStateMapping = createMapping(CURRENT_HEATING_COOLING_STATE,
  67                 CurrentHeatingCoolingStateEnum.class, customCurrentHeatingCoolingStateList);
  68         targetHeatingCoolingStateMapping = createMapping(TARGET_HEATING_COOLING_STATE,
  69                 TargetHeatingCoolingStateEnum.class, customTargetHeatingCoolingStateList);
  70         this.getServices().add(new ThermostatService(this));
  71     }
  72
  73     @Override
  74     public CurrentHeatingCoolingStateEnum[] getCurrentHeatingCoolingStateValidValues() {
  75         return customCurrentHeatingCoolingStateList.isEmpty()
  76                 ? currentHeatingCoolingStateMapping.keySet().toArray(new CurrentHeatingCoolingStateEnum[0])
  77                 : customCurrentHeatingCoolingStateList.toArray(new CurrentHeatingCoolingStateEnum[0]);
  78     }
  79
  80     @Override
  81     public TargetHeatingCoolingStateEnum[] getTargetHeatingCoolingStateValidValues() {
  82         return customTargetHeatingCoolingStateList.isEmpty()
  83                 ? targetHeatingCoolingStateMapping.keySet().toArray(new TargetHeatingCoolingStateEnum[0])
  84                 : customTargetHeatingCoolingStateList.toArray(new TargetHeatingCoolingStateEnum[0]);
  85     }
  86
  87     @Override
  88     public CompletableFuture<CurrentHeatingCoolingStateEnum> getCurrentState() {
  89         return CompletableFuture.completedFuture(getKeyFromMapping(CURRENT_HEATING_COOLING_STATE,
  90                 currentHeatingCoolingStateMapping, CurrentHeatingCoolingStateEnum.OFF));
  91     }
  92
  93     @Override
  94     public CompletableFuture<Double> getCurrentTemperature() {
  95         Double state = getStateAsTemperature(HomekitCharacteristicType.CURRENT_TEMPERATURE);
  96         return CompletableFuture.completedFuture(state != null ? state : getMinCurrentTemperature());
  97     }
  98
  99     @Override
 100     public double getMinCurrentTemperature() {
 101         // Apple defines default values in Celsius. We need to convert them to Fahrenheit if openHAB is using Fahrenheit
 102         // convertToCelsius and convertFromCelsius are only converting if useFahrenheit is set to true, so no additional
 103         // check here needed
 104
 105         return HomekitCharacteristicFactory.convertToCelsius(
 106                 getAccessoryConfiguration(HomekitCharacteristicType.CURRENT_TEMPERATURE, HomekitTaggedItem.MIN_VALUE,
 107                         BigDecimal.valueOf(HomekitCharacteristicFactory
 108                                 .convertFromCelsius(CurrentTemperatureCharacteristic.DEFAULT_MIN_VALUE)))
 109                         .doubleValue());
 110     }
 111
 112     @Override
 113     public double getMaxCurrentTemperature() {
 114         return HomekitCharacteristicFactory.convertToCelsius(
 115                 getAccessoryConfiguration(HomekitCharacteristicType.CURRENT_TEMPERATURE, HomekitTaggedItem.MAX_VALUE,
 116                         BigDecimal.valueOf(HomekitCharacteristicFactory
 117                                 .convertFromCelsius(CurrentTemperatureCharacteristic.DEFAULT_MAX_VALUE)))
 118                         .doubleValue());
 119     }
 120
 121     @Override
 122     public double getMinStepCurrentTemperature() {
 123         return HomekitCharacteristicFactory.getTemperatureStep(
 124                 getCharacteristic(HomekitCharacteristicType.CURRENT_TEMPERATURE).get(),
 125                 TargetTemperatureCharacteristic.DEFAULT_STEP);
 126     }
 127
 128     @Override
 129     public CompletableFuture<TargetHeatingCoolingStateEnum> getTargetState() {
 130         return CompletableFuture.completedFuture(getKeyFromMapping(TARGET_HEATING_COOLING_STATE,
 131                 targetHeatingCoolingStateMapping, TargetHeatingCoolingStateEnum.OFF));
 132     }
 133
 134     @Override
 135     public CompletableFuture<TemperatureDisplayUnitEnum> getTemperatureDisplayUnit() {
 136         return CompletableFuture
 137                 .completedFuture(HomekitCharacteristicFactory.useFahrenheit() ? TemperatureDisplayUnitEnum.FAHRENHEIT
 138                         : TemperatureDisplayUnitEnum.CELSIUS);
 139     }
 140
 141     @Override
 142     public void setTemperatureDisplayUnit(TemperatureDisplayUnitEnum value) {
 143         // TODO: add support for display unit change
 144     }
 145
 146     @Override
 147     public CompletableFuture<Double> getTargetTemperature() {
 148         Double state = getStateAsTemperature(HomekitCharacteristicType.TARGET_TEMPERATURE);
 149         return CompletableFuture.completedFuture(state != null ? state : 0.0);
 150     }
 151
 152     @Override
 153     public void setTargetState(TargetHeatingCoolingStateEnum mode) {
 154         HomekitCharacteristicFactory.setValueFromEnum(getCharacteristic(TARGET_HEATING_COOLING_STATE).get(), mode,
 155                 targetHeatingCoolingStateMapping);
 156     }
 157
 158     @Override
 159     public void setTargetTemperature(Double value) {
 160         final Optional<HomekitTaggedItem> characteristic = getCharacteristic(
 161                 HomekitCharacteristicType.TARGET_TEMPERATURE);
 162         if (characteristic.isPresent()) {
 163             ((NumberItem) characteristic.get().getItem())
 164                     .send(new DecimalType(BigDecimal.valueOf(HomekitCharacteristicFactory.convertFromCelsius(value))));
 165         } else {
 166             logger.warn("Missing mandatory characteristic {}", HomekitCharacteristicType.TARGET_TEMPERATURE);
 167         }
 168     }
 169
 170     @Override
 171     public double getMinTargetTemperature() {
 172         return HomekitCharacteristicFactory
 173                 .convertToCelsius(
 174                         getAccessoryConfiguration(HomekitCharacteristicType.TARGET_TEMPERATURE,
 175                                 HomekitTaggedItem.MIN_VALUE,
 176                                 BigDecimal.valueOf(HomekitCharacteristicFactory
 177                                         .convertFromCelsius(TargetTemperatureCharacteristic.DEFAULT_MIN_VALUE)))
 178                                 .doubleValue());
 179     }
 180
 181     @Override
 182     public double getMaxTargetTemperature() {
 183         return HomekitCharacteristicFactory
 184                 .convertToCelsius(
 185                         getAccessoryConfiguration(HomekitCharacteristicType.TARGET_TEMPERATURE,
 186                                 HomekitTaggedItem.MAX_VALUE,
 187                                 BigDecimal.valueOf(HomekitCharacteristicFactory
 188                                         .convertFromCelsius(TargetTemperatureCharacteristic.DEFAULT_MAX_VALUE)))
 189                                 .doubleValue());
 190     }
 191
 192     @Override
 193     public double getMinStepTargetTemperature() {
 194         return HomekitCharacteristicFactory.getTemperatureStep(
 195                 getCharacteristic(HomekitCharacteristicType.TARGET_TEMPERATURE).get(),
 196                 TargetTemperatureCharacteristic.DEFAULT_STEP);
 197     }
 198
 199     @Override
 200     public void subscribeCurrentState(HomekitCharacteristicChangeCallback callback) {
 201         subscribe(CURRENT_HEATING_COOLING_STATE, callback);
 202     }
 203
 204     @Override
 205     public void subscribeCurrentTemperature(HomekitCharacteristicChangeCallback callback) {
 206         subscribe(HomekitCharacteristicType.CURRENT_TEMPERATURE, callback);
 207     }
 208
 209     @Override
 210     public void subscribeTargetState(HomekitCharacteristicChangeCallback callback) {
 211         subscribe(HomekitCharacteristicType.TARGET_HEATING_COOLING_STATE, callback);
 212     }
 213
 214     @Override
 215     public void subscribeTargetTemperature(HomekitCharacteristicChangeCallback callback) {
 216         subscribe(HomekitCharacteristicType.TARGET_TEMPERATURE, callback);
 217     }
 218
 219     @Override
 220     public void subscribeTemperatureDisplayUnit(HomekitCharacteristicChangeCallback callback) {
 221         // TODO: add support for display unit change
 222     }
 223
 224     @Override
 225     public void unsubscribeCurrentState() {
 226         unsubscribe(CURRENT_HEATING_COOLING_STATE);
 227     }
 228
 229     @Override
 230     public void unsubscribeCurrentTemperature() {
 231         unsubscribe(HomekitCharacteristicType.CURRENT_TEMPERATURE);
 232     }
 233
 234     @Override
 235     public void unsubscribeTemperatureDisplayUnit() {
 236         // TODO: add support for display unit change
 237     }
 238
 239     @Override
 240     public void unsubscribeTargetState() {
 241         unsubscribe(HomekitCharacteristicType.TARGET_HEATING_COOLING_STATE);
 242     }
 243
 244     @Override
 245     public void unsubscribeTargetTemperature() {
 246         unsubscribe(HomekitCharacteristicType.TARGET_TEMPERATURE);
 247     }
 248 }