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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
  17 import java.util.Set;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.openhab.binding.deconz.internal.Util;
  21 import org.openhab.binding.deconz.internal.dto.DeconzBaseMessage;
  22 import org.openhab.binding.deconz.internal.dto.GroupAction;
  23 import org.openhab.binding.deconz.internal.dto.GroupMessage;
  24 import org.openhab.binding.deconz.internal.dto.GroupState;
  25 import org.openhab.binding.deconz.internal.types.ResourceType;
  26 import org.openhab.core.library.types.DecimalType;
  27 import org.openhab.core.library.types.HSBType;
  28 import org.openhab.core.library.types.OnOffType;
  29 import org.openhab.core.library.types.PercentType;
  30 import org.openhab.core.thing.ChannelUID;
  31 import org.openhab.core.thing.Thing;
  32 import org.openhab.core.thing.ThingStatus;
  33 import org.openhab.core.thing.ThingTypeUID;
  34 import org.openhab.core.types.Command;
  35 import org.openhab.core.types.RefreshType;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 import com.google.gson.Gson;
  40
  41 /**
  42  * This light thing doesn't establish any connections, that is done by the bridge Thing.
  43  *
  44  * It waits for the bridge to come online, grab the websocket connection and bridge configuration
  45  * and registers to the websocket connection as a listener.
  46  *
  47  * A REST API call is made to get the initial light/rollershutter state.
  48  *
  49  * Every light and rollershutter is supported by this Thing, because a unified state is kept
  50  * in {@link #groupStateCache}. Every field that got received by the REST API for this specific
  51  * sensor is published to the framework.
  52  *
  53  * @author Jan N. Klug - Initial contribution
  54  */
  55 @NonNullByDefault
  56 public class GroupThingHandler extends DeconzBaseThingHandler {
  57     public static final Set<ThingTypeUID> SUPPORTED_THING_TYPE_UIDS = Set.of(THING_TYPE_LIGHTGROUP);
  58     private final Logger logger = LoggerFactory.getLogger(GroupThingHandler.class);
  59
  60     /**
  61      * The group state.
  62      */
  63     private GroupState groupStateCache = new GroupState();
  64
  65     public GroupThingHandler(Thing thing, Gson gson) {
  66         super(thing, gson, ResourceType.GROUPS);
  67     }
  68
  69     @Override
  70     public void handleCommand(ChannelUID channelUID, Command command) {
  71         String channelId = channelUID.getId();
  72
  73         GroupAction newGroupAction = new GroupAction();
  74         switch (channelId) {
  75             case CHANNEL_ALL_ON:
  76             case CHANNEL_ANY_ON:
  77                 if (command instanceof RefreshType) {
  78                     valueUpdated(channelUID.getId(), groupStateCache);
  79                     return;
  80                 }
  81                 break;
  82             case CHANNEL_ALERT:
  83                 if (command instanceof OnOffType) {
  84                     newGroupAction.alert = command == OnOffType.ON ? "alert" : "none";
  85                 } else {
  86                     return;
  87                 }
  88                 break;
  89             case CHANNEL_COLOR:
  90                 if (command instanceof HSBType) {
  91                     HSBType hsbCommand = (HSBType) command;
  92                     Integer bri = Util.fromPercentType(hsbCommand.getBrightness());
  93                     newGroupAction.bri = bri;
  94                     if (bri > 0) {
  95                         newGroupAction.hue = (int) (hsbCommand.getHue().doubleValue() * HUE_FACTOR);
  96                         newGroupAction.sat = Util.fromPercentType(hsbCommand.getSaturation());
  97                     }
  98                 } else if (command instanceof PercentType) {
  99                     newGroupAction.bri = Util.fromPercentType((PercentType) command);
 100                 } else if (command instanceof DecimalType) {
 101                     newGroupAction.bri = ((DecimalType) command).intValue();
 102                 } else if (command instanceof OnOffType) {
 103                     newGroupAction.on = OnOffType.ON.equals(command);
 104                 } else {
 105                     return;
 106                 }
 107                 break;
 108             case CHANNEL_COLOR_TEMPERATURE:
 109                 if (command instanceof DecimalType) {
 110                     int miredValue = Util.kelvinToMired(((DecimalType) command).intValue());
 111                     newGroupAction.ct = Util.constrainToRange(miredValue, ZCL_CT_MIN, ZCL_CT_MAX);
 112                 } else {
 113                     return;
 114                 }
 115                 break;
 116             default:
 117                 return;
 118         }
 119
 120         Integer bri = newGroupAction.bri;
 121         if (bri != null && bri > 0) {
 122             newGroupAction.on = true;
 123         }
 124
 125         sendCommand(newGroupAction, command, channelUID, null);
 126     }
 127
 128     @Override
 129     protected void processStateResponse(DeconzBaseMessage stateResponse) {
 130         messageReceived(config.id, stateResponse);
 131     }
 132
 133     private void valueUpdated(String channelId, GroupState newState) {
 134         switch (channelId) {
 135             case CHANNEL_ALL_ON:
 136                 updateState(channelId, OnOffType.from(newState.all_on));
 137                 break;
 138             case CHANNEL_ANY_ON:
 139                 updateState(channelId, OnOffType.from(newState.any_on));
 140                 break;
 141             default:
 142         }
 143     }
 144
 145     @Override
 146     public void messageReceived(String sensorID, DeconzBaseMessage message) {
 147         if (message instanceof GroupMessage) {
 148             GroupMessage groupMessage = (GroupMessage) message;
 149             logger.trace("{} received {}", thing.getUID(), groupMessage);
 150             GroupState groupState = groupMessage.state;
 151             if (groupState != null) {
 152                 updateStatus(ThingStatus.ONLINE);
 153                 thing.getChannels().stream().map(c -> c.getUID().getId()).forEach(c -> valueUpdated(c, groupState));
 154                 groupStateCache = groupState;
 155             }
 156         }
 157     }
 158 }