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         ThingConfig thingConfig = getConfigAs(ThingConfig.class);
 120         colorMode = thingConfig.colormode;
 121
 122         super.initialize();
 123     }
 124
 125     @Override
 126     public void handleCommand(ChannelUID channelUID, Command command) {
 127         if (command instanceof RefreshType) {
 128             valueUpdated(channelUID.getId(), lightStateCache);
 129             return;
 130         }
 131
 132         LightState newLightState = new LightState();
 133         Boolean currentOn = lightStateCache.on;
 134         Integer currentBri = lightStateCache.bri;
 135
 136         switch (channelUID.getId()) {
 137             case CHANNEL_ALERT:
 138                 if (command instanceof StringType) {
 139                     newLightState.alert = command.toString();
 140                 } else {
 141                     return;
 142                 }
 143                 break;
 144             case CHANNEL_EFFECT:
 145                 if (command instanceof StringType) {
 146                     // effect command only allowed for lights that are turned on
 147                     newLightState.on = true;
 148                     newLightState.effect = command.toString();
 149                 } else {
 150                     return;
 151                 }
 152                 break;
 153             case CHANNEL_EFFECT_SPEED:
 154                 if (command instanceof DecimalType) {
 155                     newLightState.on = true;
 156                     newLightState.effectSpeed = Util.constrainToRange(((DecimalType) command).intValue(), 0, 10);
 157                 } else {
 158                     return;
 159                 }
 160                 break;
 161             case CHANNEL_SWITCH:
 162             case CHANNEL_LOCK:
 163                 if (command instanceof OnOffType) {
 164                     newLightState.on = (command == OnOffType.ON);
 165                 } else {
 166                     return;
 167                 }
 168                 break;
 169             case CHANNEL_BRIGHTNESS:
 170             case CHANNEL_COLOR:
 171                 if (command instanceof OnOffType) {
 172                     newLightState.on = (command == OnOffType.ON);
 173                 } else if (command instanceof IncreaseDecreaseType) {
 174                     // try to get best value for current brightness
 175                     int oldBri = currentBri != null ? currentBri
 176                             : (Boolean.TRUE.equals(currentOn) ? BRIGHTNESS_MAX : BRIGHTNESS_MIN);
 177                     if (command.equals(IncreaseDecreaseType.INCREASE)) {
 178                         newLightState.bri = Util.constrainToRange(oldBri + BRIGHTNESS_DIM_STEP, BRIGHTNESS_MIN,
 179                                 BRIGHTNESS_MAX);
 180                     } else {
 181                         newLightState.bri = Util.constrainToRange(oldBri - BRIGHTNESS_DIM_STEP, BRIGHTNESS_MIN,
 182                                 BRIGHTNESS_MAX);
 183                     }
 184                 } else if (command instanceof HSBType) {
 185                     HSBType hsbCommand = (HSBType) command;
 186                     if ("xy".equals(colorMode)) {
 187                         PercentType[] xy = hsbCommand.toXY();
 188                         if (xy.length < 2) {
 189                             logger.warn("Failed to convert {} to xy-values", command);
 190                         }
 191                         newLightState.xy = new double[] { xy[0].doubleValue() / 100.0, xy[1].doubleValue() / 100.0 };
 192                         newLightState.bri = Util.fromPercentType(hsbCommand.getBrightness());
 193                     } else {
 194                         // default is colormode "hs" (used when colormode "hs" is set or colormode is unknown)
 195                         newLightState.bri = Util.fromPercentType(hsbCommand.getBrightness());
 196                         newLightState.hue = (int) (hsbCommand.getHue().doubleValue() * HUE_FACTOR);
 197                         newLightState.sat = Util.fromPercentType(hsbCommand.getSaturation());
 198                     }
 199                 } else if (command instanceof PercentType) {
 200                     newLightState.bri = Util.fromPercentType((PercentType) command);
 201                 } else if (command instanceof DecimalType) {
 202                     newLightState.bri = ((DecimalType) command).intValue();
 203                 } else {
 204                     return;
 205                 }
 206
 207                 // send on/off state together with brightness if not already set or unknown
 208                 Integer newBri = newLightState.bri;
 209                 if (newBri != null) {
 210                     newLightState.on = (newBri > 0);
 211                 }
 212
 213                 // fix sending bri=0 when light is already off
 214                 if (newBri != null && newBri == 0 && currentOn != null && !currentOn) {
 215                     return;
 216                 }
 217
 218                 Double transitiontime = config.transitiontime;
 219                 if (transitiontime != null) {
 220                     // value is in 1/10 seconds
 221                     newLightState.transitiontime = (int) Math.round(10 * transitiontime);
 222                 }
 223                 break;
 224             case CHANNEL_COLOR_TEMPERATURE:
 225                 if (command instanceof DecimalType) {
 226                     int miredValue = kelvinToMired(((DecimalType) command).intValue());
 227                     newLightState.ct = constrainToRange(miredValue, ctMin, ctMax);
 228                     newLightState.on = true;
 229                 }
 230                 break;
 231             case CHANNEL_POSITION:
 232                 if (command instanceof UpDownType) {
 233                     newLightState.on = (command == UpDownType.DOWN);
 234                 } else if (command == StopMoveType.STOP) {
 235                     if (currentOn != null && currentOn && currentBri != null && currentBri <= BRIGHTNESS_MAX) {
 236                         // going down or currently stop (254 because of rounding error)
 237                         newLightState.on = true;
 238                     } else if (currentOn != null && !currentOn && currentBri != null && currentBri > BRIGHTNESS_MIN) {
 239                         // going up or currently stopped
 240                         newLightState.on = false;
 241                     }
 242                 } else if (command instanceof PercentType) {
 243                     newLightState.bri = fromPercentType((PercentType) command);
 244                 } else {
 245                     return;
 246                 }
 247                 break;
 248             default:
 249                 // no supported command
 250                 return;
 251         }
 252
 253         Boolean newOn = newLightState.on;
 254         if (newOn != null && !newOn) {
 255             // if light shall be off, no other commands are allowed, so reset the new light state
 256             newLightState.clear();
 257             newLightState.on = false;
 258         }
 259
 260         sendCommand(newLightState, command, channelUID, () -> {
 261             Integer transitionTime = newLightState.transitiontime;
 262             lastCommandExpireTimestamp = System.currentTimeMillis()
 263                     + (transitionTime != null ? transitionTime : DEFAULT_COMMAND_EXPIRY_TIME);
 264             lastCommand = newLightState;
 265         });
 266     }
 267
 268     @Override
 269     protected void processStateResponse(DeconzBaseMessage stateResponse) {
 270         if (!(stateResponse instanceof LightMessage)) {
 271             return;
 272         }
 273
 274         LightMessage lightMessage = (LightMessage) stateResponse;
 275
 276         if (needsPropertyUpdate) {
 277             // if we did not receive an ctmin/ctmax, then we probably don't need it
 278             needsPropertyUpdate = false;
 279
 280             Integer ctmax = lightMessage.ctmax;
 281             Integer ctmin = lightMessage.ctmin;
 282             if (ctmin != null && ctmax != null) {
 283                 Map<String, String> properties = new HashMap<>(thing.getProperties());
 284                 properties.put(PROPERTY_CT_MAX, Integer.toString(Util.constrainToRange(ctmax, ZCL_CT_MIN, ZCL_CT_MAX)));
 285                 properties.put(PROPERTY_CT_MIN, Integer.toString(Util.constrainToRange(ctmin, ZCL_CT_MIN, ZCL_CT_MAX)));
 286                 updateProperties(properties);
 287             }
 288         }
 289
 290         LightState lightState = lightMessage.state;
 291         if (lightState != null && lightState.effect != null) {
 292             checkAndUpdateEffectChannels(lightMessage);
 293         }
 294
 295         messageReceived(config.id, lightMessage);
 296     }
 297
 298     private enum EffectLightModel {
 299         LIDL_MELINARA,
 300         TINT_MUELLER,
 301         UNKNOWN;
 302     }
 303
 304     private void checkAndUpdateEffectChannels(LightMessage lightMessage) {
 305         EffectLightModel model = EffectLightModel.UNKNOWN;
 306         // try to determine which model we have
 307         if (lightMessage.manufacturername.equals("_TZE200_s8gkrkxk")) {
 308             // the LIDL Melinara string does not report a proper model name
 309             model = EffectLightModel.LIDL_MELINARA;
 310         } else if (lightMessage.manufacturername.equals("MLI")) {
 311             model = EffectLightModel.TINT_MUELLER;
 312         } else {
 313             logger.info("Could not determine effect light type for thing {}, please request adding support on GitHub.",
 314                     thing.getUID());
 315         }
 316
 317         ChannelUID effectChannelUID = new ChannelUID(thing.getUID(), CHANNEL_EFFECT);
 318         ChannelUID effectSpeedChannelUID = new ChannelUID(thing.getUID(), CHANNEL_EFFECT_SPEED);
 319
 320         if (thing.getChannel(CHANNEL_EFFECT) == null) {
 321             ThingBuilder thingBuilder = editThing();
 322             thingBuilder.withChannel(
 323                     ChannelBuilder.create(effectChannelUID, "String").withType(CHANNEL_EFFECT_TYPE_UID).build());
 324             if (model == EffectLightModel.LIDL_MELINARA) {
 325                 // additional channels
 326                 thingBuilder.withChannel(ChannelBuilder.create(effectSpeedChannelUID, "Number")
 327                         .withType(CHANNEL_EFFECT_SPEED_TYPE_UID).build());
 328             }
 329             updateThing(thingBuilder.build());
 330         }
 331
 332         switch (model) {
 333             case LIDL_MELINARA:
 334                 List<String> options = List.of("none", "steady", "snow", "rainbow", "snake", "tinkle", "fireworks",
 335                         "flag", "waves", "updown", "vintage", "fading", "collide", "strobe", "sparkles", "carnival",
 336                         "glow");
 337                 commandDescriptionProvider.setDescription(effectChannelUID,
 338                         CommandDescriptionBuilder.create().withCommandOptions(toCommandOptionList(options)).build());
 339                 break;
 340             case TINT_MUELLER:
 341                 options = List.of("none", "colorloop", "sunset", "party", "worklight", "campfire", "romance",
 342                         "nightlight");
 343                 commandDescriptionProvider.setDescription(effectChannelUID,
 344                         CommandDescriptionBuilder.create().withCommandOptions(toCommandOptionList(options)).build());
 345                 break;
 346             default:
 347                 options = List.of("none", "colorloop");
 348                 commandDescriptionProvider.setDescription(effectChannelUID,
 349                         CommandDescriptionBuilder.create().withCommandOptions(toCommandOptionList(options)).build());
 350
 351         }
 352     }
 353
 354     private List<CommandOption> toCommandOptionList(List<String> options) {
 355         return options.stream().map(c -> new CommandOption(c, c)).collect(Collectors.toList());
 356     }
 357
 358     private void valueUpdated(String channelId, LightState newState) {
 359         Integer bri = newState.bri;
 360         Integer hue = newState.hue;
 361         Integer sat = newState.sat;
 362         Boolean on = newState.on;
 363
 364         switch (channelId) {
 365             case CHANNEL_ALERT:
 366                 String alert = newState.alert;
 367                 if (alert != null) {
 368                     updateState(channelId, new StringType(alert));
 369                 }
 370                 break;
 371             case CHANNEL_SWITCH:
 372             case CHANNEL_LOCK:
 373                 if (on != null) {
 374                     updateState(channelId, OnOffType.from(on));
 375                 }
 376                 break;
 377             case CHANNEL_COLOR:
 378                 if (on != null && on == false) {
 379                     updateState(channelId, OnOffType.OFF);
 380                 } else if (bri != null && "xy".equals(newState.colormode)) {
 381                     final double @Nullable [] xy = newState.xy;
 382                     if (xy != null && xy.length == 2) {
 383                         HSBType color = HSBType.fromXY((float) xy[0], (float) xy[1]);
 384                         updateState(channelId, new HSBType(color.getHue(), color.getSaturation(), toPercentType(bri)));
 385                     }
 386                 } else if (bri != null && hue != null && sat != null) {
 387                     updateState(channelId,
 388                             new HSBType(new DecimalType(hue / HUE_FACTOR), toPercentType(sat), toPercentType(bri)));
 389                 }
 390                 break;
 391             case CHANNEL_BRIGHTNESS:
 392                 if (bri != null && on != null && on) {
 393                     updateState(channelId, toPercentType(bri));
 394                 } else {
 395                     updateState(channelId, OnOffType.OFF);
 396                 }
 397                 break;
 398             case CHANNEL_COLOR_TEMPERATURE:
 399                 Integer ct = newState.ct;
 400                 if (ct != null && ct >= ctMin && ct <= ctMax) {
 401                     updateState(channelId, new DecimalType(miredToKelvin(ct)));
 402                 }
 403                 break;
 404             case CHANNEL_POSITION:
 405                 if (bri != null) {
 406                     updateState(channelId, toPercentType(bri));
 407                 }
 408                 break;
 409             case CHANNEL_EFFECT:
 410                 String effect = newState.effect;
 411                 if (effect != null) {
 412                     updateState(channelId, new StringType(effect));
 413                 }
 414                 break;
 415             case CHANNEL_EFFECT_SPEED:
 416                 Integer effectSpeed = newState.effectSpeed;
 417                 if (effectSpeed != null) {
 418                     updateState(channelId, new DecimalType(effectSpeed));
 419                 }
 420                 break;
 421             default:
 422         }
 423     }
 424
 425     @Override
 426     public void messageReceived(String sensorID, DeconzBaseMessage message) {
 427         if (message instanceof LightMessage) {
 428             LightMessage lightMessage = (LightMessage) message;
 429             logger.trace("{} received {}", thing.getUID(), lightMessage);
 430             LightState lightState = lightMessage.state;
 431             if (lightState != null) {
 432                 if (lastCommandExpireTimestamp > System.currentTimeMillis()
 433                         && !lightState.equalsIgnoreNull(lastCommand)) {
 434                     // skip for SKIP_UPDATE_TIMESPAN after last command if lightState is different from command
 435                     logger.trace("Ignoring differing update after last command until {}", lastCommandExpireTimestamp);
 436                     return;
 437                 }
 438                 if (colorMode.isEmpty()) {
 439                     String cmode = lightState.colormode;
 440                     if (cmode != null && ("hs".equals(cmode) || "xy".equals(cmode))) {
 441                         // only set the color mode if it is hs or xy, not ct
 442                         colorMode = cmode;
 443                     }
 444                 }
 445                 lightStateCache = lightState;
 446                 if (Boolean.TRUE.equals(lightState.reachable)) {
 447                     updateStatus(ThingStatus.ONLINE);
 448                     thing.getChannels().stream().map(c -> c.getUID().getId()).forEach(c -> valueUpdated(c, lightState));
 449                 } else {
 450                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.GONE, "Not reachable");
 451                     thing.getChannels().stream().map(c -> c.getUID()).forEach(c -> updateState(c, UnDefType.UNDEF));
 452                 }
 453             }
 454         }
 455     }
 456 }