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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.ITEM_TYPE_NUMBER;
  16 import static org.openhab.binding.amazonechocontrol.internal.smarthome.Constants.ITEM_TYPE_STRING;
  17
  18 import java.io.IOException;
  19 import java.util.List;
  20 import java.util.Locale;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.openhab.binding.amazonechocontrol.internal.AmazonEchoControlBindingConstants;
  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.DecimalType;
  30 import org.openhab.core.library.types.StringType;
  31 import org.openhab.core.thing.type.ChannelTypeUID;
  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 HandlerColorTemperatureController} is responsible for the Alexa.ColorTemperatureController
  40  *
  41  * @author Lukas Knoeller - Initial contribution
  42  * @author Michael Geramb - Initial contribution
  43  */
  44 @NonNullByDefault
  45 public class HandlerColorTemperatureController extends HandlerBase {
  46     // Interface
  47     public static final String INTERFACE = "Alexa.ColorTemperatureController";
  48     public static final String INTERFACE_COLOR_PROPERTIES = "Alexa.ColorPropertiesController";
  49
  50     // Channel types
  51     private static final ChannelTypeUID CHANNEL_TYPE_COLOR_TEMPERATURE_NAME = new ChannelTypeUID(
  52             AmazonEchoControlBindingConstants.BINDING_ID, "colorTemperatureName");
  53
  54     private static final ChannelTypeUID CHANNEL_TYPE_COLOR_TEPERATURE_IN_KELVIN = new ChannelTypeUID(
  55             AmazonEchoControlBindingConstants.BINDING_ID, "colorTemperatureInKelvin");
  56
  57     // Channel and Properties
  58     private static final ChannelInfo COLOR_TEMPERATURE_IN_KELVIN = new ChannelInfo(
  59             "colorTemperatureInKelvin" /* propertyName */ , "colorTemperatureInKelvin" /* ChannelId */,
  60             CHANNEL_TYPE_COLOR_TEPERATURE_IN_KELVIN /* Channel Type */ , ITEM_TYPE_NUMBER /* Item Type */);
  61
  62     private static final ChannelInfo COLOR_TEMPERATURE_NAME = new ChannelInfo("colorProperties" /* propertyName */ ,
  63             "colorTemperatureName" /* ChannelId */, CHANNEL_TYPE_COLOR_TEMPERATURE_NAME /* Channel Type */ ,
  64             ITEM_TYPE_STRING /* Item Type */);
  65
  66     private @Nullable Integer lastColorTemperature;
  67     private @Nullable String lastColorName;
  68
  69     public HandlerColorTemperatureController(SmartHomeDeviceHandler smartHomeDeviceHandler) {
  70         super(smartHomeDeviceHandler);
  71     }
  72
  73     @Override
  74     public String[] getSupportedInterface() {
  75         return new String[] { INTERFACE, INTERFACE_COLOR_PROPERTIES };
  76     }
  77
  78     @Override
  79     protected ChannelInfo @Nullable [] findChannelInfos(SmartHomeCapability capability, String property) {
  80         if (COLOR_TEMPERATURE_IN_KELVIN.propertyName.contentEquals(property)) {
  81             return new ChannelInfo[] { COLOR_TEMPERATURE_IN_KELVIN, COLOR_TEMPERATURE_NAME };
  82         }
  83         return null;
  84     }
  85
  86     @Override
  87     public void updateChannels(String interfaceName, List<JsonObject> stateList, UpdateChannelResult result) {
  88         if (INTERFACE.equals(interfaceName)) {
  89             Integer colorTemperatureInKelvinValue = null;
  90             for (JsonObject state : stateList) {
  91                 if (COLOR_TEMPERATURE_IN_KELVIN.propertyName.equals(state.get("name").getAsString())) {
  92                     int value = state.get("value").getAsInt();
  93                     // For groups take the maximum
  94                     if (colorTemperatureInKelvinValue == null) {
  95                         colorTemperatureInKelvinValue = value;
  96                     }
  97                 }
  98             }
  99             if (colorTemperatureInKelvinValue != null && !colorTemperatureInKelvinValue.equals(lastColorTemperature)) {
 100                 lastColorTemperature = colorTemperatureInKelvinValue;
 101                 result.needSingleUpdate = true;
 102             }
 103             updateState(COLOR_TEMPERATURE_IN_KELVIN.channelId, colorTemperatureInKelvinValue == null ? UnDefType.UNDEF
 104                     : new DecimalType(colorTemperatureInKelvinValue));
 105         }
 106         if (INTERFACE_COLOR_PROPERTIES.equals(interfaceName)) {
 107             String colorTemperatureNameValue = null;
 108             for (JsonObject state : stateList) {
 109                 if (COLOR_TEMPERATURE_NAME.propertyName.equals(state.get("name").getAsString())) {
 110                     if (colorTemperatureNameValue == null) {
 111                         result.needSingleUpdate = false;
 112                         colorTemperatureNameValue = state.get("value").getAsJsonObject().get("name").getAsString();
 113                     }
 114                 }
 115             }
 116             if (lastColorName == null) {
 117                 lastColorName = colorTemperatureNameValue;
 118             } else if (colorTemperatureNameValue == null && lastColorName != null) {
 119                 colorTemperatureNameValue = lastColorName;
 120             }
 121             updateState(COLOR_TEMPERATURE_NAME.channelId,
 122                     colorTemperatureNameValue == null ? UnDefType.UNDEF : new StringType(colorTemperatureNameValue));
 123         }
 124     }
 125
 126     @Override
 127     public boolean handleCommand(Connection connection, SmartHomeDevice shd, String entityId,
 128             List<SmartHomeCapability> capabilities, String channelId, Command command)
 129             throws IOException, InterruptedException {
 130         if (channelId.equals(COLOR_TEMPERATURE_IN_KELVIN.channelId)) {
 131             // WRITING TO THIS CHANNEL DOES CURRENTLY NOT WORK, BUT WE LEAVE THE CODE FOR FUTURE USE!
 132             if (containsCapabilityProperty(capabilities, COLOR_TEMPERATURE_IN_KELVIN.propertyName)) {
 133                 if (command instanceof DecimalType) {
 134                     int intValue = ((DecimalType) command).intValue();
 135                     if (intValue < 1000) {
 136                         intValue = 1000;
 137                     }
 138                     if (intValue > 10000) {
 139                         intValue = 10000;
 140                     }
 141                     connection.smartHomeCommand(entityId, "setColorTemperature", "colorTemperatureInKelvin", intValue);
 142                     return true;
 143                 }
 144             }
 145         }
 146         if (channelId.equals(COLOR_TEMPERATURE_NAME.channelId)) {
 147             if (containsCapabilityProperty(capabilities, COLOR_TEMPERATURE_IN_KELVIN.propertyName)) {
 148                 if (command instanceof StringType) {
 149                     String colorTemperatureName = command.toFullString();
 150                     if (!colorTemperatureName.isEmpty()) {
 151                         lastColorName = colorTemperatureName;
 152                         connection.smartHomeCommand(entityId, "setColorTemperature", "colorTemperatureName",
 153                                 colorTemperatureName);
 154                         return true;
 155                     }
 156                 }
 157             }
 158         }
 159         return false;
 160     }
 161
 162     @Override
 163     public @Nullable StateDescription findStateDescription(String channelUID, StateDescription originalStateDescription,
 164             @Nullable Locale locale) {
 165         return null;
 166     }
 167 }