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   1 /**
   2  * Copyright (c) 2010-2021 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.radiothermostat.internal.handler;
  14
  15 import static org.openhab.binding.radiothermostat.internal.RadioThermostatBindingConstants.*;
  16
  17 import java.math.BigDecimal;
  18 import java.text.NumberFormat;
  19 import java.text.ParseException;
  20 import java.time.ZonedDateTime;
  21 import java.util.ArrayList;
  22 import java.util.Calendar;
  23 import java.util.Collection;
  24 import java.util.Collections;
  25 import java.util.List;
  26 import java.util.concurrent.ScheduledFuture;
  27 import java.util.concurrent.TimeUnit;
  28
  29 import javax.measure.quantity.Temperature;
  30
  31 import org.eclipse.jdt.annotation.NonNullByDefault;
  32 import org.eclipse.jdt.annotation.Nullable;
  33 import org.eclipse.jetty.client.HttpClient;
  34 import org.openhab.binding.radiothermostat.internal.RadioThermostatConfiguration;
  35 import org.openhab.binding.radiothermostat.internal.RadioThermostatStateDescriptionProvider;
  36 import org.openhab.binding.radiothermostat.internal.RadioThermostatThingActions;
  37 import org.openhab.binding.radiothermostat.internal.communication.RadioThermostatConnector;
  38 import org.openhab.binding.radiothermostat.internal.communication.RadioThermostatEvent;
  39 import org.openhab.binding.radiothermostat.internal.communication.RadioThermostatEventListener;
  40 import org.openhab.binding.radiothermostat.internal.dto.RadioThermostatDTO;
  41 import org.openhab.binding.radiothermostat.internal.dto.RadioThermostatHumidityDTO;
  42 import org.openhab.binding.radiothermostat.internal.dto.RadioThermostatRuntimeDTO;
  43 import org.openhab.binding.radiothermostat.internal.dto.RadioThermostatTstatDTO;
  44 import org.openhab.core.library.types.DateTimeType;
  45 import org.openhab.core.library.types.DecimalType;
  46 import org.openhab.core.library.types.OnOffType;
  47 import org.openhab.core.library.types.PointType;
  48 import org.openhab.core.library.types.QuantityType;
  49 import org.openhab.core.library.types.StringType;
  50 import org.openhab.core.library.unit.ImperialUnits;
  51 import org.openhab.core.thing.Channel;
  52 import org.openhab.core.thing.ChannelUID;
  53 import org.openhab.core.thing.Thing;
  54 import org.openhab.core.thing.ThingStatus;
  55 import org.openhab.core.thing.ThingStatusDetail;
  56 import org.openhab.core.thing.binding.BaseThingHandler;
  57 import org.openhab.core.thing.binding.ThingHandlerService;
  58 import org.openhab.core.types.Command;
  59 import org.openhab.core.types.RefreshType;
  60 import org.openhab.core.types.State;
  61 import org.openhab.core.types.StateOption;
  62 import org.openhab.core.types.UnDefType;
  63 import org.slf4j.Logger;
  64 import org.slf4j.LoggerFactory;
  65
  66 import com.google.gson.Gson;
  67
  68 /**
  69  * The {@link RadioThermostatHandler} is responsible for handling commands, which are
  70  * sent to one of the channels.
  71  *
  72  * Based on the 'airquality' binding by Kuba Wolanin
  73  *
  74  * @author Michael Lobstein - Initial contribution
  75  */
  76 @NonNullByDefault
  77 public class RadioThermostatHandler extends BaseThingHandler implements RadioThermostatEventListener {
  78     private static final int DEFAULT_REFRESH_PERIOD = 2;
  79     private static final int DEFAULT_LOG_REFRESH_PERIOD = 10;
  80
  81     private final RadioThermostatStateDescriptionProvider stateDescriptionProvider;
  82     private final Logger logger = LoggerFactory.getLogger(RadioThermostatHandler.class);
  83
  84     private final Gson gson;
  85     private final RadioThermostatConnector connector;
  86     private final RadioThermostatDTO rthermData = new RadioThermostatDTO();
  87
  88     private @Nullable ScheduledFuture<?> refreshJob;
  89     private @Nullable ScheduledFuture<?> logRefreshJob;
  90     private @Nullable ScheduledFuture<?> clockSyncJob;
  91
  92     private int refreshPeriod = DEFAULT_REFRESH_PERIOD;
  93     private int logRefreshPeriod = DEFAULT_LOG_REFRESH_PERIOD;
  94     private boolean isCT80 = false;
  95     private boolean disableLogs = false;
  96     private boolean clockSync = false;
  97     private String setpointCmdKeyPrefix = "t_";
  98
  99     public RadioThermostatHandler(Thing thing, RadioThermostatStateDescriptionProvider stateDescriptionProvider,
 100             HttpClient httpClient) {
 101         super(thing);
 102         this.stateDescriptionProvider = stateDescriptionProvider;
 103         gson = new Gson();
 104         connector = new RadioThermostatConnector(httpClient);
 105     }
 106
 107     @Override
 108     public void initialize() {
 109         logger.debug("Initializing RadioThermostat handler.");
 110         RadioThermostatConfiguration config = getConfigAs(RadioThermostatConfiguration.class);
 111
 112         final String hostName = config.hostName;
 113         final Integer refresh = config.refresh;
 114         final Integer logRefresh = config.logRefresh;
 115         this.isCT80 = config.isCT80;
 116         this.disableLogs = config.disableLogs;
 117         this.clockSync = config.clockSync;
 118
 119         if (hostName == null || "".equals(hostName)) {
 120             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 121                     "Thermostat Host Name must be specified");
 122             return;
 123         }
 124
 125         if (refresh != null) {
 126             this.refreshPeriod = refresh;
 127         }
 128
 129         if (logRefresh != null) {
 130             this.logRefreshPeriod = logRefresh;
 131         }
 132
 133         connector.setThermostatHostName(hostName);
 134         connector.addEventListener(this);
 135
 136         // The setpoint mode is controlled by the name of setpoint attribute sent to the thermostat.
 137         // Temporary mode uses setpoint names prefixed with "t_" while absolute mode uses "a_"
 138         if (config.setpointMode.equals("absolute")) {
 139             this.setpointCmdKeyPrefix = "a_";
 140         }
 141
 142         // populate fan mode options based on thermostat model
 143         stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), FAN_MODE), getFanModeOptions());
 144
 145         // if we are not a CT-80, remove the humidity & program mode channel
 146         if (!this.isCT80) {
 147             List<Channel> channels = new ArrayList<>(this.getThing().getChannels());
 148             channels.removeIf(c -> (c.getUID().getId().equals(HUMIDITY)));
 149             channels.removeIf(c -> (c.getUID().getId().equals(PROGRAM_MODE)));
 150             updateThing(editThing().withChannels(channels).build());
 151         }
 152
 153         updateStatus(ThingStatus.UNKNOWN);
 154
 155         startAutomaticRefresh();
 156
 157         if (!this.disableLogs || this.isCT80) {
 158             startAutomaticLogRefresh();
 159         }
 160
 161         if (this.clockSync) {
 162             scheduleClockSyncJob();
 163         }
 164     }
 165
 166     @Override
 167     public Collection<Class<? extends ThingHandlerService>> getServices() {
 168         return Collections.singletonList(RadioThermostatThingActions.class);
 169     }
 170
 171     /**
 172      * Start the job to periodically update data from the thermostat
 173      */
 174     private void startAutomaticRefresh() {
 175         ScheduledFuture<?> refreshJob = this.refreshJob;
 176         if (refreshJob == null || refreshJob.isCancelled()) {
 177             Runnable runnable = () -> {
 178                 // send an async call to the thermostat to get the 'tstat' data
 179                 connector.getAsyncThermostatData(DEFAULT_RESOURCE);
 180             };
 181
 182             refreshJob = null;
 183             this.refreshJob = scheduler.scheduleWithFixedDelay(runnable, 0, refreshPeriod, TimeUnit.MINUTES);
 184         }
 185     }
 186
 187     /**
 188      * Schedule the clock sync job
 189      */
 190     private void scheduleClockSyncJob() {
 191         ScheduledFuture<?> clockSyncJob = this.clockSyncJob;
 192         if (clockSyncJob == null || clockSyncJob.isCancelled()) {
 193             clockSyncJob = null;
 194             this.clockSyncJob = scheduler.scheduleWithFixedDelay(this::syncThermostatClock, 1, 60, TimeUnit.MINUTES);
 195         }
 196     }
 197
 198     /**
 199      * Sync the thermostat's clock with the host system clock
 200      */
 201     private void syncThermostatClock() {
 202         Calendar c = Calendar.getInstance();
 203
 204         // The thermostat week starts as Monday = 0, subtract 2 since in standard DoW Monday = 2
 205         int thermDayOfWeek = c.get(Calendar.DAY_OF_WEEK) - 2;
 206         // Sunday will be -1, so add 7 to make it 6
 207         if (thermDayOfWeek < 0) {
 208             thermDayOfWeek += 7;
 209         }
 210
 211         connector.sendCommand(null, null,
 212                 String.format(JSON_TIME, thermDayOfWeek, c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE)),
 213                 TIME_RESOURCE);
 214     }
 215
 216     /**
 217      * Start the job to periodically update humidity and runtime date from the thermostat
 218      */
 219     private void startAutomaticLogRefresh() {
 220         ScheduledFuture<?> logRefreshJob = this.logRefreshJob;
 221         if (logRefreshJob == null || logRefreshJob.isCancelled()) {
 222             Runnable runnable = () -> {
 223                 // Request humidity data from the thermostat if we are a CT80
 224                 if (this.isCT80) {
 225                     // send an async call to the thermostat to get the humidity data
 226                     connector.getAsyncThermostatData(HUMIDITY_RESOURCE);
 227                 }
 228
 229                 if (!this.disableLogs) {
 230                     // send an async call to the thermostat to get the runtime data
 231                     connector.getAsyncThermostatData(RUNTIME_RESOURCE);
 232                 }
 233             };
 234
 235             logRefreshJob = null;
 236             this.logRefreshJob = scheduler.scheduleWithFixedDelay(runnable, 1, logRefreshPeriod, TimeUnit.MINUTES);
 237         }
 238     }
 239
 240     @Override
 241     public void dispose() {
 242         logger.debug("Disposing the RadioThermostat handler.");
 243         connector.removeEventListener(this);
 244
 245         ScheduledFuture<?> refreshJob = this.refreshJob;
 246         if (refreshJob != null) {
 247             refreshJob.cancel(true);
 248             this.refreshJob = null;
 249         }
 250
 251         ScheduledFuture<?> logRefreshJob = this.logRefreshJob;
 252         if (logRefreshJob != null) {
 253             logRefreshJob.cancel(true);
 254             this.logRefreshJob = null;
 255         }
 256
 257         ScheduledFuture<?> clockSyncJob = this.clockSyncJob;
 258         if (clockSyncJob != null) {
 259             clockSyncJob.cancel(true);
 260             this.clockSyncJob = null;
 261         }
 262     }
 263
 264     public void handleRawCommand(@Nullable String rawCommand) {
 265         connector.sendCommand(null, null, rawCommand, DEFAULT_RESOURCE);
 266     }
 267
 268     @Override
 269     public void handleCommand(ChannelUID channelUID, Command command) {
 270         if (command instanceof RefreshType) {
 271             updateChannel(channelUID.getId(), rthermData);
 272         } else {
 273             Integer cmdInt = -1;
 274             String cmdStr = command.toString();
 275             try {
 276                 // parse out an Integer from the string
 277                 // ie '70.5 F' becomes 70, also handles negative numbers
 278                 cmdInt = NumberFormat.getInstance().parse(cmdStr).intValue();
 279             } catch (ParseException e) {
 280                 logger.debug("Command: {} -> Not an integer", cmdStr);
 281             }
 282
 283             switch (channelUID.getId()) {
 284                 case MODE:
 285                     // only do if commanded mode is different than current mode
 286                     if (!cmdInt.equals(rthermData.getThermostatData().getMode())) {
 287                         connector.sendCommand("tmode", cmdStr, DEFAULT_RESOURCE);
 288
 289                         // set the new operating mode, reset everything else,
 290                         // because refreshing the tstat data below is really slow.
 291                         rthermData.getThermostatData().setMode(cmdInt);
 292                         rthermData.getThermostatData().setHeatTarget(0);
 293                         rthermData.getThermostatData().setCoolTarget(0);
 294                         updateChannel(SET_POINT, rthermData);
 295                         rthermData.getThermostatData().setHold(0);
 296                         updateChannel(HOLD, rthermData);
 297                         rthermData.getThermostatData().setProgramMode(-1);
 298                         updateChannel(PROGRAM_MODE, rthermData);
 299
 300                         // now just trigger a refresh of the thermostat to get the new active setpoint
 301                         // this takes a while for the JSON request to complete (async).
 302                         connector.getAsyncThermostatData(DEFAULT_RESOURCE);
 303                     }
 304                     break;
 305                 case FAN_MODE:
 306                     rthermData.getThermostatData().setFanMode(cmdInt);
 307                     connector.sendCommand("fmode", cmdStr, DEFAULT_RESOURCE);
 308                     break;
 309                 case PROGRAM_MODE:
 310                     rthermData.getThermostatData().setProgramMode(cmdInt);
 311                     connector.sendCommand("program_mode", cmdStr, DEFAULT_RESOURCE);
 312                     break;
 313                 case HOLD:
 314                     if (command instanceof OnOffType && command == OnOffType.ON) {
 315                         rthermData.getThermostatData().setHold(1);
 316                         connector.sendCommand("hold", "1", DEFAULT_RESOURCE);
 317                     } else if (command instanceof OnOffType && command == OnOffType.OFF) {
 318                         rthermData.getThermostatData().setHold(0);
 319                         connector.sendCommand("hold", "0", DEFAULT_RESOURCE);
 320                     }
 321                     break;
 322                 case SET_POINT:
 323                     String cmdKey = null;
 324                     if (rthermData.getThermostatData().getMode() == 1) {
 325                         cmdKey = this.setpointCmdKeyPrefix + "heat";
 326                         rthermData.getThermostatData().setHeatTarget(cmdInt);
 327                     } else if (rthermData.getThermostatData().getMode() == 2) {
 328                         cmdKey = this.setpointCmdKeyPrefix + "cool";
 329                         rthermData.getThermostatData().setCoolTarget(cmdInt);
 330                     } else {
 331                         // don't do anything if we are not in heat or cool mode
 332                         break;
 333                     }
 334                     connector.sendCommand(cmdKey, cmdInt.toString(), DEFAULT_RESOURCE);
 335                     break;
 336                 case REMOTE_TEMP:
 337                     if (cmdInt != -1) {
 338                         QuantityType<?> remoteTemp = ((QuantityType<Temperature>) command)
 339                                 .toUnit(ImperialUnits.FAHRENHEIT);
 340                         connector.sendCommand("rem_temp", String.valueOf(remoteTemp.intValue()), REMOTE_TEMP_RESOURCE);
 341                     } else {
 342                         connector.sendCommand("rem_mode", "0", REMOTE_TEMP_RESOURCE);
 343                     }
 344                     break;
 345                 default:
 346                     logger.warn("Unsupported command: {}", command.toString());
 347             }
 348         }
 349     }
 350
 351     /**
 352      * Handle a RadioThermostat event received from the listeners
 353      *
 354      * @param event the event received from the listeners
 355      */
 356     @Override
 357     public void onNewMessageEvent(RadioThermostatEvent event) {
 358         logger.debug("onNewMessageEvent: key {} = {}", event.getKey(), event.getValue());
 359
 360         String evtKey = event.getKey();
 361         String evtVal = event.getValue();
 362
 363         if (KEY_ERROR.equals(evtKey)) {
 364             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.OFFLINE.COMMUNICATION_ERROR,
 365                     "Error retrieving data from Thermostat ");
 366         } else {
 367             updateStatus(ThingStatus.ONLINE, ThingStatusDetail.NONE);
 368
 369             // Map the JSON response to the correct object and update appropriate channels
 370             switch (evtKey) {
 371                 case DEFAULT_RESOURCE:
 372                     rthermData.setThermostatData(gson.fromJson(evtVal, RadioThermostatTstatDTO.class));
 373                     updateAllChannels();
 374                     break;
 375                 case HUMIDITY_RESOURCE:
 376                     RadioThermostatHumidityDTO dto = gson.fromJson(evtVal, RadioThermostatHumidityDTO.class);
 377                     if (dto != null) {
 378                         rthermData.setHumidity(dto.getHumidity());
 379                     }
 380                     updateChannel(HUMIDITY, rthermData);
 381                     break;
 382                 case RUNTIME_RESOURCE:
 383                     rthermData.setRuntime(gson.fromJson(evtVal, RadioThermostatRuntimeDTO.class));
 384                     updateChannel(TODAY_HEAT_RUNTIME, rthermData);
 385                     updateChannel(TODAY_COOL_RUNTIME, rthermData);
 386                     updateChannel(YESTERDAY_HEAT_RUNTIME, rthermData);
 387                     updateChannel(YESTERDAY_COOL_RUNTIME, rthermData);
 388                     break;
 389             }
 390         }
 391     }
 392
 393     /**
 394      * Update the channel from the last Thermostat data retrieved
 395      *
 396      * @param channelId the id identifying the channel to be updated
 397      */
 398     private void updateChannel(String channelId, RadioThermostatDTO rthermData) {
 399         if (isLinked(channelId)) {
 400             Object value;
 401             try {
 402                 value = getValue(channelId, rthermData);
 403             } catch (Exception e) {
 404                 logger.debug("Error setting {} value", channelId.toUpperCase());
 405                 return;
 406             }
 407
 408             State state = null;
 409             if (value == null) {
 410                 state = UnDefType.UNDEF;
 411             } else if (value instanceof PointType) {
 412                 state = (PointType) value;
 413             } else if (value instanceof ZonedDateTime) {
 414                 state = new DateTimeType((ZonedDateTime) value);
 415             } else if (value instanceof QuantityType<?>) {
 416                 state = (QuantityType<?>) value;
 417             } else if (value instanceof BigDecimal) {
 418                 state = new DecimalType((BigDecimal) value);
 419             } else if (value instanceof Integer) {
 420                 state = new DecimalType(BigDecimal.valueOf(((Integer) value).longValue()));
 421             } else if (value instanceof String) {
 422                 state = new StringType(value.toString());
 423             } else if (value instanceof OnOffType) {
 424                 state = (OnOffType) value;
 425             } else {
 426                 logger.warn("Update channel {}: Unsupported value type {}", channelId,
 427                         value.getClass().getSimpleName());
 428             }
 429             logger.debug("Update channel {} with state {} ({})", channelId, (state == null) ? "null" : state.toString(),
 430                     (value == null) ? "null" : value.getClass().getSimpleName());
 431
 432             // Update the channel
 433             if (state != null) {
 434                 updateState(channelId, state);
 435             }
 436         }
 437     }
 438
 439     /**
 440      * Update a given channelId from the thermostat data
 441      *
 442      * @param the channel id to be updated
 443      * @param data the RadioThermostat dto
 444      * @return the value to be set in the state
 445      */
 446     public static @Nullable Object getValue(String channelId, RadioThermostatDTO data) {
 447         switch (channelId) {
 448             case TEMPERATURE:
 449                 if (data.getThermostatData().getTemperature() != null) {
 450                     return new QuantityType<Temperature>(data.getThermostatData().getTemperature(),
 451                             API_TEMPERATURE_UNIT);
 452                 } else {
 453                     return null;
 454                 }
 455             case HUMIDITY:
 456                 if (data.getHumidity() != null) {
 457                     return new QuantityType<>(data.getHumidity(), API_HUMIDITY_UNIT);
 458                 } else {
 459                     return null;
 460                 }
 461             case MODE:
 462                 return data.getThermostatData().getMode();
 463             case FAN_MODE:
 464                 return data.getThermostatData().getFanMode();
 465             case PROGRAM_MODE:
 466                 return data.getThermostatData().getProgramMode();
 467             case SET_POINT:
 468                 if (data.getThermostatData().getSetpoint() != 0) {
 469                     return new QuantityType<Temperature>(data.getThermostatData().getSetpoint(), API_TEMPERATURE_UNIT);
 470                 } else {
 471                     return null;
 472                 }
 473             case OVERRIDE:
 474                 return data.getThermostatData().getOverride();
 475             case HOLD:
 476                 return OnOffType.from(data.getThermostatData().getHold() == 1);
 477             case STATUS:
 478                 return data.getThermostatData().getStatus();
 479             case FAN_STATUS:
 480                 return data.getThermostatData().getFanStatus();
 481             case DAY:
 482                 return data.getThermostatData().getTime().getDayOfWeek();
 483             case HOUR:
 484                 return data.getThermostatData().getTime().getHour();
 485             case MINUTE:
 486                 return data.getThermostatData().getTime().getMinute();
 487             case DATE_STAMP:
 488                 return data.getThermostatData().getTime().getThemostatDateTime();
 489             case TODAY_HEAT_RUNTIME:
 490                 return new QuantityType<>(data.getRuntime().getToday().getHeatTime().getRuntime(), API_MINUTES_UNIT);
 491             case TODAY_COOL_RUNTIME:
 492                 return new QuantityType<>(data.getRuntime().getToday().getCoolTime().getRuntime(), API_MINUTES_UNIT);
 493             case YESTERDAY_HEAT_RUNTIME:
 494                 return new QuantityType<>(data.getRuntime().getYesterday().getHeatTime().getRuntime(),
 495                         API_MINUTES_UNIT);
 496             case YESTERDAY_COOL_RUNTIME:
 497                 return new QuantityType<>(data.getRuntime().getYesterday().getCoolTime().getRuntime(),
 498                         API_MINUTES_UNIT);
 499         }
 500         return null;
 501     }
 502
 503     /**
 504      * Updates all channels from rthermData
 505      */
 506     private void updateAllChannels() {
 507         // Update all channels from rthermData
 508         for (Channel channel : getThing().getChannels()) {
 509             updateChannel(channel.getUID().getId(), rthermData);
 510         }
 511     }
 512
 513     /**
 514      * Build a list of fan modes based on what model thermostat is used
 515      *
 516      * @return list of state options for thermostat fan modes
 517      */
 518     private List<StateOption> getFanModeOptions() {
 519         List<StateOption> fanModeOptions = new ArrayList<>();
 520
 521         fanModeOptions.add(new StateOption("0", "Auto"));
 522         if (this.isCT80) {
 523             fanModeOptions.add(new StateOption("1", "Auto/Circulate"));
 524         }
 525         fanModeOptions.add(new StateOption("2", "On"));
 526
 527         return fanModeOptions;
 528     }
 529 }