git.basschouten.com Git - openhab-addons.git/blob

   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 import static org.openhab.binding.deconz.internal.Util.*;
  17
  18 import java.math.BigDecimal;
  19 import java.util.*;
  20 import java.util.stream.Collectors;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.openhab.binding.deconz.internal.CommandDescriptionProvider;
  25 import org.openhab.binding.deconz.internal.StateDescriptionProvider;
  26 import org.openhab.binding.deconz.internal.Util;
  27 import org.openhab.binding.deconz.internal.dto.DeconzBaseMessage;
  28 import org.openhab.binding.deconz.internal.dto.LightMessage;
  29 import org.openhab.binding.deconz.internal.dto.LightState;
  30 import org.openhab.binding.deconz.internal.types.ResourceType;
  31 import org.openhab.core.library.types.*;
  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.ThingStatusDetail;
  36 import org.openhab.core.thing.ThingTypeUID;
  37 import org.openhab.core.thing.binding.builder.ChannelBuilder;
  38 import org.openhab.core.thing.binding.builder.ThingBuilder;
  39 import org.openhab.core.types.*;
  40 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42
  43 import com.google.gson.Gson;
  44
  45 /**
  46  * This light thing doesn't establish any connections, that is done by the bridge Thing.
  47  *
  48  * It waits for the bridge to come online, grab the websocket connection and bridge configuration
  49  * and registers to the websocket connection as a listener.
  50  *
  51  * A REST API call is made to get the initial light/rollershutter state.
  52  *
  53  * Every light and rollershutter is supported by this Thing, because a unified state is kept
  54  * in {@link #lightStateCache}. Every field that got received by the REST API for this specific
  55  * sensor is published to the framework.
  56  *
  57  * @author Jan N. Klug - Initial contribution
  58  */
  59 @NonNullByDefault
  60 public class LightThingHandler extends DeconzBaseThingHandler {
  61     public static final Set<ThingTypeUID> SUPPORTED_THING_TYPE_UIDS = Set.of(THING_TYPE_COLOR_TEMPERATURE_LIGHT,
  62             THING_TYPE_DIMMABLE_LIGHT, THING_TYPE_COLOR_LIGHT, THING_TYPE_EXTENDED_COLOR_LIGHT, THING_TYPE_ONOFF_LIGHT,
  63             THING_TYPE_WINDOW_COVERING, THING_TYPE_WARNING_DEVICE, THING_TYPE_DOORLOCK);
  64
  65     private static final long DEFAULT_COMMAND_EXPIRY_TIME = 250; // in ms
  66     private static final int BRIGHTNESS_DIM_STEP = 26; // ~ 10%
  67
  68     private final Logger logger = LoggerFactory.getLogger(LightThingHandler.class);
  69
  70     private final StateDescriptionProvider stateDescriptionProvider;
  71     private final CommandDescriptionProvider commandDescriptionProvider;
  72
  73     private long lastCommandExpireTimestamp = 0;
  74     private boolean needsPropertyUpdate = false;
  75
  76     /**
  77      * The light state. Contains all possible fields for all supported lights
  78      */
  79     private LightState lightStateCache = new LightState();
  80     private LightState lastCommand = new LightState();
  81     private String colorMode = "";
  82
  83     // set defaults, we can override them later if we receive better values
  84     private int ctMax = ZCL_CT_MAX;
  85     private int ctMin = ZCL_CT_MIN;
  86
  87     public LightThingHandler(Thing thing, Gson gson, StateDescriptionProvider stateDescriptionProvider,
  88             CommandDescriptionProvider commandDescriptionProvider) {
  89         super(thing, gson, ResourceType.LIGHTS);
  90         this.stateDescriptionProvider = stateDescriptionProvider;
  91         this.commandDescriptionProvider = commandDescriptionProvider;
  92     }
  93
  94     @Override
  95     public void initialize() {
  96         if (thing.getThingTypeUID().equals(THING_TYPE_COLOR_TEMPERATURE_LIGHT)
  97                 || thing.getThingTypeUID().equals(THING_TYPE_EXTENDED_COLOR_LIGHT)) {
  98             try {
  99                 Map<String, String> properties = thing.getProperties();
 100                 String ctMaxString = properties.get(PROPERTY_CT_MAX);
 101                 ctMax = ctMaxString == null ? ZCL_CT_MAX : Integer.parseInt(ctMaxString);
 102                 String ctMinString = properties.get(PROPERTY_CT_MIN);
 103                 ctMin = ctMinString == null ? ZCL_CT_MIN : Integer.parseInt(ctMinString);
 104
 105                 // minimum and maximum are inverted due to mired/kelvin conversion!
 106                 StateDescription stateDescription = StateDescriptionFragmentBuilder.create()
 107                         .withMinimum(new BigDecimal(miredToKelvin(ctMax)))
 108                         .withMaximum(new BigDecimal(miredToKelvin(ctMin))).build().toStateDescription();
 109                 if (stateDescription != null) {
 110                     stateDescriptionProvider.setDescription(new ChannelUID(thing.getUID(), CHANNEL_COLOR_TEMPERATURE),
 111                             stateDescription);
 112                 } else {
 113                     logger.warn("Failed to create state description in thing {}", thing.getUID());
 114                 }
 115             } catch (NumberFormatException e) {
 116                 needsPropertyUpdate = true;
 117             }
 118         }
 119         super.initialize();
 120     }
 121
 122     @Override
 123     public void handleCommand(ChannelUID channelUID, Command command) {
 124         if (command instanceof RefreshType) {
 125             valueUpdated(channelUID.getId(), lightStateCache);
 126             return;
 127         }
 128
 129         LightState newLightState = new LightState();
 130         Boolean currentOn = lightStateCache.on;
 131         Integer currentBri = lightStateCache.bri;
 132
 133         switch (channelUID.getId()) {
 134             case CHANNEL_ALERT:
 135                 if (command instanceof OnOffType) {
 136                     newLightState.alert = command == OnOffType.ON ? "alert" : "none";
 137                 } else {
 138                     return;
 139                 }
 140                 break;
 141             case CHANNEL_EFFECT:
 142                 if (command instanceof StringType) {
 143                     // effect command only allowed for lights that are turned on
 144                     newLightState.on = true;
 145                     newLightState.effect = command.toString();
 146                 } else {
 147                     return;
 148                 }
 149                 break;
 150             case CHANNEL_EFFECT_SPEED:
 151                 if (command instanceof DecimalType) {
 152                     newLightState.on = true;
 153                     newLightState.effectSpeed = Util.constrainToRange(((DecimalType) command).intValue(), 0, 10);
 154                 } else {
 155                     return;
 156                 }
 157                 break;
 158             case CHANNEL_SWITCH:
 159             case CHANNEL_LOCK:
 160                 if (command instanceof OnOffType) {
 161                     newLightState.on = (command == OnOffType.ON);
 162                 } else {
 163                     return;
 164                 }
 165                 break;
 166             case CHANNEL_BRIGHTNESS:
 167             case CHANNEL_COLOR:
 168                 if (command instanceof OnOffType) {
 169                     newLightState.on = (command == OnOffType.ON);
 170                 } else if (command instanceof IncreaseDecreaseType) {
 171                     // try to get best value for current brightness
 172                     int oldBri = currentBri != null ? currentBri
 173                             : (Boolean.TRUE.equals(currentOn) ? BRIGHTNESS_MAX : BRIGHTNESS_MIN);
 174                     if (command.equals(IncreaseDecreaseType.INCREASE)) {
 175                         newLightState.bri = Util.constrainToRange(oldBri + BRIGHTNESS_DIM_STEP, BRIGHTNESS_MIN,
 176                                 BRIGHTNESS_MAX);
 177                     } else {
 178                         newLightState.bri = Util.constrainToRange(oldBri - BRIGHTNESS_DIM_STEP, BRIGHTNESS_MIN,
 179                                 BRIGHTNESS_MAX);
 180                     }
 181                 } else if (command instanceof HSBType) {
 182                     HSBType hsbCommand = (HSBType) command;
 183                     if ("xy".equals(colorMode)) {
 184                         PercentType[] xy = hsbCommand.toXY();
 185                         if (xy.length < 2) {
 186                             logger.warn("Failed to convert {} to xy-values", command);
 187                         }
 188                         newLightState.xy = new double[] { xy[0].doubleValue() / 100.0, xy[1].doubleValue() / 100.0 };
 189                         newLightState.bri = Util.fromPercentType(hsbCommand.getBrightness());
 190                     } else {
 191                         // default is colormode "hs" (used when colormode "hs" is set or colormode is unknown)
 192                         newLightState.bri = Util.fromPercentType(hsbCommand.getBrightness());
 193                         newLightState.hue = (int) (hsbCommand.getHue().doubleValue() * HUE_FACTOR);
 194                         newLightState.sat = Util.fromPercentType(hsbCommand.getSaturation());
 195                     }
 196                 } else if (command instanceof PercentType) {
 197                     newLightState.bri = Util.fromPercentType((PercentType) command);
 198                 } else if (command instanceof DecimalType) {
 199                     newLightState.bri = ((DecimalType) command).intValue();
 200                 } else {
 201                     return;
 202                 }
 203
 204                 // send on/off state together with brightness if not already set or unknown
 205                 Integer newBri = newLightState.bri;
 206                 if (newBri != null) {
 207                     newLightState.on = (newBri > 0);
 208                 }
 209
 210                 // fix sending bri=0 when light is already off
 211                 if (newBri != null && newBri == 0 && currentOn != null && !currentOn) {
 212                     return;
 213                 }
 214
 215                 Double transitiontime = config.transitiontime;
 216                 if (transitiontime != null) {
 217                     // value is in 1/10 seconds
 218                     newLightState.transitiontime = (int) Math.round(10 * transitiontime);
 219                 }
 220                 break;
 221             case CHANNEL_COLOR_TEMPERATURE:
 222                 if (command instanceof DecimalType) {
 223                     int miredValue = kelvinToMired(((DecimalType) command).intValue());
 224                     newLightState.ct = constrainToRange(miredValue, ctMin, ctMax);
 225                     newLightState.on = true;
 226                 }
 227                 break;
 228             case CHANNEL_POSITION:
 229                 if (command instanceof UpDownType) {
 230                     newLightState.on = (command == UpDownType.DOWN);
 231                 } else if (command == StopMoveType.STOP) {
 232                     if (currentOn != null && currentOn && currentBri != null && currentBri <= BRIGHTNESS_MAX) {
 233                         // going down or currently stop (254 because of rounding error)
 234                         newLightState.on = true;
 235                     } else if (currentOn != null && !currentOn && currentBri != null && currentBri > BRIGHTNESS_MIN) {
 236                         // going up or currently stopped
 237                         newLightState.on = false;
 238                     }
 239                 } else if (command instanceof PercentType) {
 240                     newLightState.bri = fromPercentType((PercentType) command);
 241                 } else {
 242                     return;
 243                 }
 244                 break;
 245             default:
 246                 // no supported command
 247                 return;
 248         }
 249
 250         Boolean newOn = newLightState.on;
 251         if (newOn != null && !newOn) {
 252             // if light shall be off, no other commands are allowed, so reset the new light state
 253             newLightState.clear();
 254             newLightState.on = false;
 255         }
 256
 257         sendCommand(newLightState, command, channelUID, () -> {
 258             Integer transitionTime = newLightState.transitiontime;
 259             lastCommandExpireTimestamp = System.currentTimeMillis()
 260                     + (transitionTime != null ? transitionTime : DEFAULT_COMMAND_EXPIRY_TIME);
 261             lastCommand = newLightState;
 262         });
 263     }
 264
 265     @Override
 266     protected void processStateResponse(DeconzBaseMessage stateResponse) {
 267         if (!(stateResponse instanceof LightMessage)) {
 268             return;
 269         }
 270
 271         LightMessage lightMessage = (LightMessage) stateResponse;
 272
 273         if (needsPropertyUpdate) {
 274             // if we did not receive an ctmin/ctmax, then we probably don't need it
 275             needsPropertyUpdate = false;
 276
 277             Integer ctmax = lightMessage.ctmax;
 278             Integer ctmin = lightMessage.ctmin;
 279             if (ctmin != null && ctmax != null) {
 280                 Map<String, String> properties = new HashMap<>(thing.getProperties());
 281                 properties.put(PROPERTY_CT_MAX, Integer.toString(Util.constrainToRange(ctmax, ZCL_CT_MIN, ZCL_CT_MAX)));
 282                 properties.put(PROPERTY_CT_MIN, Integer.toString(Util.constrainToRange(ctmin, ZCL_CT_MIN, ZCL_CT_MAX)));
 283                 updateProperties(properties);
 284             }
 285         }
 286
 287         LightState lightState = lightMessage.state;
 288         if (lightState != null && lightState.effect != null) {
 289             checkAndUpdateEffectChannels(lightMessage);
 290         }
 291
 292         messageReceived(config.id, lightMessage);
 293     }
 294
 295     private enum EffectLightModel {
 296         LIDL_MELINARA,
 297         TINT_MUELLER,
 298         UNKNOWN;
 299     }
 300
 301     private void checkAndUpdateEffectChannels(LightMessage lightMessage) {
 302         EffectLightModel model = EffectLightModel.UNKNOWN;
 303         // try to determine which model we have
 304         if (lightMessage.manufacturername.equals("_TZE200_s8gkrkxk")) {
 305             // the LIDL Melinara string does not report a proper model name
 306             model = EffectLightModel.LIDL_MELINARA;
 307         } else if (lightMessage.manufacturername.equals("MLI")) {
 308             model = EffectLightModel.TINT_MUELLER;
 309         } else {
 310             logger.info("Could not determine effect light type for thing {}, please request adding support on GitHub.",
 311                     thing.getUID());
 312         }
 313
 314         ChannelUID effectChannelUID = new ChannelUID(thing.getUID(), CHANNEL_EFFECT);
 315         ChannelUID effectSpeedChannelUID = new ChannelUID(thing.getUID(), CHANNEL_EFFECT_SPEED);
 316
 317         if (thing.getChannel(CHANNEL_EFFECT) == null) {
 318             ThingBuilder thingBuilder = editThing();
 319             thingBuilder.withChannel(
 320                     ChannelBuilder.create(effectChannelUID, "String").withType(CHANNEL_EFFECT_TYPE_UID).build());
 321             if (model == EffectLightModel.LIDL_MELINARA) {
 322                 // additional channels
 323                 thingBuilder.withChannel(ChannelBuilder.create(effectSpeedChannelUID, "Number")
 324                         .withType(CHANNEL_EFFECT_SPEED_TYPE_UID).build());
 325             }
 326             updateThing(thingBuilder.build());
 327         }
 328
 329         switch (model) {
 330             case LIDL_MELINARA:
 331                 List<String> options = List.of("none", "steady", "snow", "rainbow", "snake", "tinkle", "fireworks",
 332                         "flag", "waves", "updown", "vintage", "fading", "collide", "strobe", "sparkles", "carnival",
 333                         "glow");
 334                 commandDescriptionProvider.setDescription(effectChannelUID,
 335                         CommandDescriptionBuilder.create().withCommandOptions(toCommandOptionList(options)).build());
 336                 break;
 337             case TINT_MUELLER:
 338                 options = List.of("none", "colorloop", "sunset", "party", "worklight", "campfire", "romance",
 339                         "nightlight");
 340                 commandDescriptionProvider.setDescription(effectChannelUID,
 341                         CommandDescriptionBuilder.create().withCommandOptions(toCommandOptionList(options)).build());
 342                 break;
 343             default:
 344                 options = List.of("none", "colorloop");
 345                 commandDescriptionProvider.setDescription(effectChannelUID,
 346                         CommandDescriptionBuilder.create().withCommandOptions(toCommandOptionList(options)).build());
 347
 348         }
 349     }
 350
 351     private List<CommandOption> toCommandOptionList(List<String> options) {
 352         return options.stream().map(c -> new CommandOption(c, c)).collect(Collectors.toList());
 353     }
 354
 355     private void valueUpdated(String channelId, LightState newState) {
 356         Integer bri = newState.bri;
 357         Integer hue = newState.hue;
 358         Integer sat = newState.sat;
 359         Boolean on = newState.on;
 360
 361         switch (channelId) {
 362             case CHANNEL_ALERT:
 363                 updateState(channelId, "alert".equals(newState.alert) ? OnOffType.ON : OnOffType.OFF);
 364                 break;
 365             case CHANNEL_SWITCH:
 366             case CHANNEL_LOCK:
 367                 if (on != null) {
 368                     updateState(channelId, OnOffType.from(on));
 369                 }
 370                 break;
 371             case CHANNEL_COLOR:
 372                 if (on != null && on == false) {
 373                     updateState(channelId, OnOffType.OFF);
 374                 } else if (bri != null && "xy".equals(newState.colormode)) {
 375                     final double @Nullable [] xy = newState.xy;
 376                     if (xy != null && xy.length == 2) {
 377                         HSBType color = HSBType.fromXY((float) xy[0], (float) xy[1]);
 378                         updateState(channelId, new HSBType(color.getHue(), color.getSaturation(), toPercentType(bri)));
 379                     }
 380                 } else if (bri != null && hue != null && sat != null) {
 381                     updateState(channelId,
 382                             new HSBType(new DecimalType(hue / HUE_FACTOR), toPercentType(sat), toPercentType(bri)));
 383                 }
 384                 break;
 385             case CHANNEL_BRIGHTNESS:
 386                 if (bri != null && on != null && on) {
 387                     updateState(channelId, toPercentType(bri));
 388                 } else {
 389                     updateState(channelId, OnOffType.OFF);
 390                 }
 391                 break;
 392             case CHANNEL_COLOR_TEMPERATURE:
 393                 Integer ct = newState.ct;
 394                 if (ct != null && ct >= ctMin && ct <= ctMax) {
 395                     updateState(channelId, new DecimalType(miredToKelvin(ct)));
 396                 }
 397                 break;
 398             case CHANNEL_POSITION:
 399                 if (bri != null) {
 400                     updateState(channelId, toPercentType(bri));
 401                 }
 402                 break;
 403             case CHANNEL_EFFECT:
 404                 String effect = newState.effect;
 405                 if (effect != null) {
 406                     updateState(channelId, new StringType(effect));
 407                 }
 408                 break;
 409             case CHANNEL_EFFECT_SPEED:
 410                 Integer effectSpeed = newState.effectSpeed;
 411                 if (effectSpeed != null) {
 412                     updateState(channelId, new DecimalType(effectSpeed));
 413                 }
 414                 break;
 415             default:
 416         }
 417     }
 418
 419     @Override
 420     public void messageReceived(String sensorID, DeconzBaseMessage message) {
 421         if (message instanceof LightMessage) {
 422             LightMessage lightMessage = (LightMessage) message;
 423             logger.trace("{} received {}", thing.getUID(), lightMessage);
 424             LightState lightState = lightMessage.state;
 425             if (lightState != null) {
 426                 if (lastCommandExpireTimestamp > System.currentTimeMillis()
 427                         && !lightState.equalsIgnoreNull(lastCommand)) {
 428                     // skip for SKIP_UPDATE_TIMESPAN after last command if lightState is different from command
 429                     logger.trace("Ignoring differing update after last command until {}", lastCommandExpireTimestamp);
 430                     return;
 431                 }
 432                 if (colorMode.isEmpty()) {
 433                     String cmode = lightState.colormode;
 434                     if (cmode != null && ("hs".equals(cmode) || "xy".equals(cmode))) {
 435                         // only set the color mode if it is hs or xy, not ct
 436                         colorMode = cmode;
 437                     }
 438                 }
 439                 lightStateCache = lightState;
 440                 if (Boolean.TRUE.equals(lightState.reachable)) {
 441                     updateStatus(ThingStatus.ONLINE);
 442                     thing.getChannels().stream().map(c -> c.getUID().getId()).forEach(c -> valueUpdated(c, lightState));
 443                 } else {
 444                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.GONE, "Not reachable");
 445                     thing.getChannels().stream().map(c -> c.getUID()).forEach(c -> updateState(c, UnDefType.UNDEF));
 446                 }
 447             }
 448         }
 449     }
 450 }