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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.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.deconz.internal.Util;
  22 import org.openhab.binding.deconz.internal.dto.DeconzBaseMessage;
  23 import org.openhab.binding.deconz.internal.dto.GroupAction;
  24 import org.openhab.binding.deconz.internal.dto.GroupMessage;
  25 import org.openhab.binding.deconz.internal.dto.GroupState;
  26 import org.openhab.binding.deconz.internal.netutils.AsyncHttpClient;
  27 import org.openhab.binding.deconz.internal.types.ResourceType;
  28 import org.openhab.core.library.types.DecimalType;
  29 import org.openhab.core.library.types.HSBType;
  30 import org.openhab.core.library.types.OnOffType;
  31 import org.openhab.core.library.types.PercentType;
  32 import org.openhab.core.thing.ChannelUID;
  33 import org.openhab.core.thing.Thing;
  34 import org.openhab.core.thing.ThingStatus;
  35 import org.openhab.core.thing.ThingTypeUID;
  36 import org.openhab.core.types.Command;
  37 import org.openhab.core.types.RefreshType;
  38 import org.slf4j.Logger;
  39 import org.slf4j.LoggerFactory;
  40
  41 import com.google.gson.Gson;
  42
  43 /**
  44  * This light thing doesn't establish any connections, that is done by the bridge Thing.
  45  *
  46  * It waits for the bridge to come online, grab the websocket connection and bridge configuration
  47  * and registers to the websocket connection as a listener.
  48  *
  49  * A REST API call is made to get the initial light/rollershutter state.
  50  *
  51  * Every light and rollershutter is supported by this Thing, because a unified state is kept
  52  * in {@link #groupStateCache}. Every field that got received by the REST API for this specific
  53  * sensor is published to the framework.
  54  *
  55  * @author Jan N. Klug - Initial contribution
  56  */
  57 @NonNullByDefault
  58 public class GroupThingHandler extends DeconzBaseThingHandler<GroupMessage> {
  59     public static final Set<ThingTypeUID> SUPPORTED_THING_TYPE_UIDS = Set.of(THING_TYPE_LIGHTGROUP);
  60     private final Logger logger = LoggerFactory.getLogger(GroupThingHandler.class);
  61
  62     /**
  63      * The group state.
  64      */
  65     private GroupState groupStateCache = new GroupState();
  66
  67     public GroupThingHandler(Thing thing, Gson gson) {
  68         super(thing, gson, ResourceType.GROUPS);
  69     }
  70
  71     @Override
  72     public void handleCommand(ChannelUID channelUID, Command command) {
  73         String channelId = channelUID.getId();
  74
  75         GroupAction newGroupAction = new GroupAction();
  76         switch (channelId) {
  77             case CHANNEL_ALL_ON:
  78             case CHANNEL_ANY_ON:
  79                 if (command instanceof RefreshType) {
  80                     valueUpdated(channelUID.getId(), groupStateCache);
  81                     return;
  82                 }
  83                 break;
  84             case CHANNEL_ALERT:
  85                 if (command instanceof OnOffType) {
  86                     newGroupAction.alert = command == OnOffType.ON ? "alert" : "none";
  87                 } else {
  88                     return;
  89                 }
  90                 break;
  91             case CHANNEL_COLOR:
  92                 if (command instanceof HSBType) {
  93                     HSBType hsbCommand = (HSBType) command;
  94                     newGroupAction.bri = Util.fromPercentType(hsbCommand.getBrightness());
  95                     if (newGroupAction.bri > 0) {
  96                         newGroupAction.hue = (int) (hsbCommand.getHue().doubleValue() * HUE_FACTOR);
  97                         newGroupAction.sat = Util.fromPercentType(hsbCommand.getSaturation());
  98                     }
  99                 } else if (command instanceof PercentType) {
 100                     newGroupAction.bri = Util.fromPercentType((PercentType) command);
 101                 } else if (command instanceof DecimalType) {
 102                     newGroupAction.bri = ((DecimalType) command).intValue();
 103                 } else if (command instanceof OnOffType) {
 104                     newGroupAction.on = OnOffType.ON.equals(command);
 105                 } else {
 106                     return;
 107                 }
 108                 break;
 109             case CHANNEL_COLOR_TEMPERATURE:
 110                 if (command instanceof DecimalType) {
 111                     int miredValue = Util.kelvinToMired(((DecimalType) command).intValue());
 112                     newGroupAction.ct = Util.constrainToRange(miredValue, ZCL_CT_MIN, ZCL_CT_MAX);
 113                 } else {
 114                     return;
 115                 }
 116                 break;
 117             default:
 118                 return;
 119         }
 120
 121         if (newGroupAction.bri != null && newGroupAction.bri > 0) {
 122             newGroupAction.on = true;
 123         }
 124
 125         sendCommand(newGroupAction, command, channelUID, null);
 126     }
 127
 128     @Override
 129     protected @Nullable GroupMessage parseStateResponse(AsyncHttpClient.Result r) {
 130         if (r.getResponseCode() == 403) {
 131             return null;
 132         } else if (r.getResponseCode() == 200) {
 133             return gson.fromJson(r.getBody(), GroupMessage.class);
 134         } else {
 135             throw new IllegalStateException("Unknown status code " + r.getResponseCode() + " for full state request");
 136         }
 137     }
 138
 139     @Override
 140     protected void processStateResponse(@Nullable GroupMessage stateResponse) {
 141         if (stateResponse == null) {
 142             return;
 143         }
 144         messageReceived(config.id, stateResponse);
 145     }
 146
 147     private void valueUpdated(String channelId, GroupState newState) {
 148         switch (channelId) {
 149             case CHANNEL_ALL_ON:
 150                 updateState(channelId, OnOffType.from(newState.all_on));
 151                 break;
 152             case CHANNEL_ANY_ON:
 153                 updateState(channelId, OnOffType.from(newState.any_on));
 154                 break;
 155             default:
 156         }
 157     }
 158
 159     @Override
 160     public void messageReceived(String sensorID, DeconzBaseMessage message) {
 161         if (message instanceof GroupMessage) {
 162             GroupMessage groupMessage = (GroupMessage) message;
 163             logger.trace("{} received {}", thing.getUID(), groupMessage);
 164             GroupState groupState = groupMessage.state;
 165             if (groupState != null) {
 166                 updateStatus(ThingStatus.ONLINE);
 167                 thing.getChannels().stream().map(c -> c.getUID().getId()).forEach(c -> valueUpdated(c, groupState));
 168                 groupStateCache = groupState;
 169             }
 170         }
 171     }
 172 }