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   1 /**
   2  * Copyright (c) 2010-2022 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.tado.internal.handler;
  14
  15 import java.io.IOException;
  16 import java.util.List;
  17 import java.util.concurrent.ScheduledFuture;
  18 import java.util.concurrent.TimeUnit;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.binding.tado.internal.TadoBindingConstants;
  23 import org.openhab.binding.tado.internal.TadoBindingConstants.TemperatureUnit;
  24 import org.openhab.binding.tado.internal.api.ApiException;
  25 import org.openhab.binding.tado.internal.api.HomeApiFactory;
  26 import org.openhab.binding.tado.internal.api.client.HomeApi;
  27 import org.openhab.binding.tado.internal.api.model.HomeInfo;
  28 import org.openhab.binding.tado.internal.api.model.HomePresence;
  29 import org.openhab.binding.tado.internal.api.model.HomeState;
  30 import org.openhab.binding.tado.internal.api.model.PresenceState;
  31 import org.openhab.binding.tado.internal.api.model.User;
  32 import org.openhab.binding.tado.internal.api.model.UserHomes;
  33 import org.openhab.binding.tado.internal.config.TadoHomeConfig;
  34 import org.openhab.core.library.types.OnOffType;
  35 import org.openhab.core.thing.Bridge;
  36 import org.openhab.core.thing.ChannelUID;
  37 import org.openhab.core.thing.Thing;
  38 import org.openhab.core.thing.ThingStatus;
  39 import org.openhab.core.thing.ThingStatusDetail;
  40 import org.openhab.core.thing.binding.BaseBridgeHandler;
  41 import org.openhab.core.thing.binding.ThingHandler;
  42 import org.openhab.core.types.Command;
  43 import org.openhab.core.types.RefreshType;
  44 import org.slf4j.Logger;
  45 import org.slf4j.LoggerFactory;
  46
  47 /**
  48  * The {@link TadoHomeHandler} is the bridge of all home-based things.
  49  *
  50  * @author Dennis Frommknecht - Initial contribution
  51  */
  52 @NonNullByDefault
  53 public class TadoHomeHandler extends BaseBridgeHandler {
  54
  55     private Logger logger = LoggerFactory.getLogger(TadoHomeHandler.class);
  56
  57     private TadoHomeConfig configuration;
  58     private final HomeApi api;
  59
  60     private @Nullable Long homeId;
  61     private final TadoBatteryChecker batteryChecker;
  62     private @Nullable ScheduledFuture<?> initializationFuture;
  63
  64     public TadoHomeHandler(Bridge bridge) {
  65         super(bridge);
  66         batteryChecker = new TadoBatteryChecker(this);
  67         configuration = getConfigAs(TadoHomeConfig.class);
  68         api = new HomeApiFactory().create(configuration.username, configuration.password);
  69     }
  70
  71     public TemperatureUnit getTemperatureUnit() {
  72         String temperatureUnitStr = this.thing.getProperties()
  73                 .getOrDefault(TadoBindingConstants.PROPERTY_HOME_TEMPERATURE_UNIT, "CELSIUS");
  74         return TemperatureUnit.valueOf(temperatureUnitStr);
  75     }
  76
  77     @Override
  78     public void initialize() {
  79         configuration = getConfigAs(TadoHomeConfig.class);
  80         ScheduledFuture<?> initializationFuture = this.initializationFuture;
  81         if (initializationFuture == null || initializationFuture.isDone()) {
  82             this.initializationFuture = scheduler.scheduleWithFixedDelay(
  83                     this::initializeBridgeStatusAndPropertiesIfOffline, 0, 300, TimeUnit.SECONDS);
  84         }
  85     }
  86
  87     private void initializeBridgeStatusAndPropertiesIfOffline() {
  88         if (getThing().getStatus() == ThingStatus.ONLINE) {
  89             for (Thing thing : getThing().getThings()) {
  90                 ThingHandler handler = thing.getHandler();
  91                 if ((handler instanceof BaseHomeThingHandler) && (thing.getStatus() == ThingStatus.OFFLINE)
  92                         && (thing.getStatusInfo().getStatusDetail() == ThingStatusDetail.COMMUNICATION_ERROR)) {
  93                     scheduler.submit(() -> handler.bridgeStatusChanged(getThing().getStatusInfo()));
  94                 }
  95             }
  96         }
  97
  98         try {
  99             // if we are already online, don't make unnecessary calls on the server
 100             if (getThing().getStatus() != ThingStatus.ONLINE) {
 101                 // Get user info to verify successful authentication and connection to server
 102                 User user = api.showUser();
 103                 if (user == null) {
 104                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 105                             "Cannot connect to server. Username and/or password might be invalid");
 106                     return;
 107                 }
 108
 109                 List<UserHomes> homes = user.getHomes();
 110                 if (homes == null || homes.isEmpty()) {
 111                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 112                             "User does not have access to any home");
 113                     return;
 114                 }
 115
 116                 Integer firstHomeId = homes.get(0).getId();
 117                 if (firstHomeId == null) {
 118                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, "Missing Home Id");
 119                     return;
 120                 }
 121
 122                 homeId = firstHomeId.longValue();
 123             }
 124
 125             // but always make one server call as a 'ping' to confirm we are really still online
 126             HomeInfo homeInfo = api.showHome(homeId);
 127             TemperatureUnit temperatureUnit = org.openhab.binding.tado.internal.api.model.TemperatureUnit.FAHRENHEIT == homeInfo
 128                     .getTemperatureUnit() ? TemperatureUnit.FAHRENHEIT : TemperatureUnit.CELSIUS;
 129             updateProperty(TadoBindingConstants.PROPERTY_HOME_TEMPERATURE_UNIT, temperatureUnit.name());
 130         } catch (IOException | ApiException e) {
 131             logger.debug("Error accessing tado server: {}", e.getMessage(), e);
 132             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 133                     "Could not connect to server due to " + e.getMessage());
 134             return;
 135         }
 136
 137         updateStatus(ThingStatus.ONLINE);
 138     }
 139
 140     @Override
 141     public void dispose() {
 142         super.dispose();
 143         ScheduledFuture<?> initializationFuture = this.initializationFuture;
 144         if (initializationFuture != null && !initializationFuture.isCancelled()) {
 145             initializationFuture.cancel(true);
 146         }
 147     }
 148
 149     public HomeApi getApi() {
 150         return api;
 151     }
 152
 153     public @Nullable Long getHomeId() {
 154         return homeId;
 155     }
 156
 157     public HomeState getHomeState() throws IOException, ApiException {
 158         return api.homeState(getHomeId());
 159     }
 160
 161     public void updateHomeState() {
 162         try {
 163             updateState(TadoBindingConstants.CHANNEL_HOME_PRESENCE_MODE,
 164                     getHomeState().getPresence() == PresenceState.HOME ? OnOffType.ON : OnOffType.OFF);
 165         } catch (IOException | ApiException e) {
 166             logger.debug("Error accessing tado server: {}", e.getMessage(), e);
 167         }
 168     }
 169
 170     @Override
 171     public void handleCommand(ChannelUID channelUID, Command command) {
 172         String id = channelUID.getId();
 173
 174         if (command == RefreshType.REFRESH) {
 175             updateHomeState();
 176             return;
 177         }
 178
 179         switch (id) {
 180             case TadoBindingConstants.CHANNEL_HOME_PRESENCE_MODE:
 181                 HomePresence presence = new HomePresence();
 182                 presence.setHomePresence(command.toFullString().toUpperCase().equals("ON")
 183                         || command.toFullString().toUpperCase().equals("HOME") ? PresenceState.HOME
 184                                 : PresenceState.AWAY);
 185                 try {
 186                     api.updatePresenceLock(homeId, presence);
 187                 } catch (IOException | ApiException e) {
 188                     logger.warn("Error setting home presence: {}", e.getMessage(), e);
 189                 }
 190
 191                 break;
 192         }
 193     }
 194
 195     public TadoBatteryChecker getBatteryChecker() {
 196         return this.batteryChecker;
 197     }
 198 }