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