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   1 /**
   2  * Copyright (c) 2010-2022 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.amazonechocontrol.internal.smarthome;
  14
  15 import static org.openhab.binding.amazonechocontrol.internal.smarthome.Constants.*;
  16
  17 import java.io.IOException;
  18 import java.util.List;
  19 import java.util.Locale;
  20
  21 import javax.measure.quantity.Temperature;
  22
  23 import org.eclipse.jdt.annotation.NonNullByDefault;
  24 import org.eclipse.jdt.annotation.Nullable;
  25 import org.openhab.binding.amazonechocontrol.internal.Connection;
  26 import org.openhab.binding.amazonechocontrol.internal.handler.SmartHomeDeviceHandler;
  27 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonSmartHomeCapabilities.SmartHomeCapability;
  28 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonSmartHomeDevices.SmartHomeDevice;
  29 import org.openhab.core.library.types.QuantityType;
  30 import org.openhab.core.library.unit.ImperialUnits;
  31 import org.openhab.core.library.unit.SIUnits;
  32 import org.openhab.core.types.Command;
  33 import org.openhab.core.types.StateDescription;
  34 import org.openhab.core.types.UnDefType;
  35
  36 import com.google.gson.JsonObject;
  37
  38 /**
  39  * The {@link HandlerThermostatController} is responsible for the Alexa.ThermostatControllerInterface
  40  *
  41  * @author Sven Killig - Initial contribution
  42  */
  43 @NonNullByDefault
  44 public class HandlerThermostatController extends HandlerBase {
  45     // Interface
  46     public static final String INTERFACE = "Alexa.ThermostatController";
  47     // Channel definitions
  48     private static final ChannelInfo TARGET_SETPOINT = new ChannelInfo("targetSetpoint" /* propertyName */ ,
  49             "targetSetpoint" /* ChannelId */, CHANNEL_TYPE_TARGETSETPOINT /* Channel Type */ ,
  50             ITEM_TYPE_NUMBER_TEMPERATURE /* Item Type */);
  51
  52     public HandlerThermostatController(SmartHomeDeviceHandler smartHomeDeviceHandler) {
  53         super(smartHomeDeviceHandler);
  54     }
  55
  56     @Override
  57     public String[] getSupportedInterface() {
  58         return new String[] { INTERFACE };
  59     }
  60
  61     @Override
  62     protected ChannelInfo @Nullable [] findChannelInfos(SmartHomeCapability capability, String property) {
  63         if (TARGET_SETPOINT.propertyName.equals(property)) {
  64             return new ChannelInfo[] { TARGET_SETPOINT };
  65         }
  66         return null;
  67     }
  68
  69     @Override
  70     public void updateChannels(String interfaceName, List<JsonObject> stateList, UpdateChannelResult result) {
  71         QuantityType<Temperature> temperatureValue = null;
  72         for (JsonObject state : stateList) {
  73             if (TARGET_SETPOINT.propertyName.equals(state.get("name").getAsString())) {
  74                 JsonObject value = state.get("value").getAsJsonObject();
  75                 // For groups take the first
  76                 if (temperatureValue == null) {
  77                     float temperature = value.get("value").getAsFloat();
  78                     String scale = value.get("scale").getAsString().toUpperCase();
  79                     if ("CELSIUS".equals(scale)) {
  80                         temperatureValue = new QuantityType<Temperature>(temperature, SIUnits.CELSIUS);
  81                     } else {
  82                         temperatureValue = new QuantityType<Temperature>(temperature, ImperialUnits.FAHRENHEIT);
  83                     }
  84                 }
  85             }
  86         }
  87         updateState(TARGET_SETPOINT.channelId, temperatureValue == null ? UnDefType.UNDEF : temperatureValue);
  88     }
  89
  90     @Override
  91     public boolean handleCommand(Connection connection, SmartHomeDevice shd, String entityId,
  92             List<SmartHomeCapability> capabilities, String channelId, Command command)
  93             throws IOException, InterruptedException {
  94         if (channelId.equals(TARGET_SETPOINT.channelId)) {
  95             if (containsCapabilityProperty(capabilities, TARGET_SETPOINT.propertyName)) {
  96                 if (command instanceof QuantityType) {
  97                     connection.smartHomeCommand(entityId, "setTargetTemperature", "targetTemperature", command);
  98                     return true;
  99                 }
 100             }
 101         }
 102         return false;
 103     }
 104
 105     @Override
 106     public @Nullable StateDescription findStateDescription(String channelId, StateDescription originalStateDescription,
 107             @Nullable Locale locale) {
 108         return null;
 109     }
 110 }