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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.openhab.core.types.State;
  45 import org.openhab.core.types.UnDefType;
  46 import org.slf4j.Logger;
  47 import org.slf4j.LoggerFactory;
  48
  49 /**
  50  * The {@link TadoHomeHandler} is the bridge of all home-based things.
  51  *
  52  * @author Dennis Frommknecht - Initial contribution
  53  */
  54 @NonNullByDefault
  55 public class TadoHomeHandler extends BaseBridgeHandler {
  56
  57     private Logger logger = LoggerFactory.getLogger(TadoHomeHandler.class);
  58
  59     private TadoHomeConfig configuration;
  60     private final HomeApi api;
  61
  62     private @Nullable Long homeId;
  63     private @Nullable TadoBatteryChecker batteryChecker;
  64     private @Nullable ScheduledFuture<?> initializationFuture;
  65
  66     public TadoHomeHandler(Bridge bridge) {
  67         super(bridge);
  68         batteryChecker = new TadoBatteryChecker(this);
  69         configuration = getConfigAs(TadoHomeConfig.class);
  70         api = new HomeApiFactory().create(configuration.username, configuration.password);
  71     }
  72
  73     public TemperatureUnit getTemperatureUnit() {
  74         String temperatureUnitStr = this.thing.getProperties()
  75                 .getOrDefault(TadoBindingConstants.PROPERTY_HOME_TEMPERATURE_UNIT, "CELSIUS");
  76         return TemperatureUnit.valueOf(temperatureUnitStr);
  77     }
  78
  79     @Override
  80     public void initialize() {
  81         configuration = getConfigAs(TadoHomeConfig.class);
  82         ScheduledFuture<?> initializationFuture = this.initializationFuture;
  83         if (initializationFuture == null || initializationFuture.isDone()) {
  84             this.initializationFuture = scheduler.scheduleWithFixedDelay(
  85                     this::initializeBridgeStatusAndPropertiesIfOffline, 0, 300, TimeUnit.SECONDS);
  86         }
  87     }
  88
  89     private void initializeBridgeStatusAndPropertiesIfOffline() {
  90         if (getThing().getStatus() == ThingStatus.ONLINE) {
  91             for (Thing thing : getThing().getThings()) {
  92                 ThingHandler handler = thing.getHandler();
  93                 if ((handler instanceof BaseHomeThingHandler) && (thing.getStatus() == ThingStatus.OFFLINE)
  94                         && (thing.getStatusInfo().getStatusDetail() == ThingStatusDetail.COMMUNICATION_ERROR)) {
  95                     scheduler.submit(() -> handler.bridgeStatusChanged(getThing().getStatusInfo()));
  96                 }
  97             }
  98         }
  99
 100         try {
 101             // if we are already online, don't make unnecessary calls on the server
 102             if (getThing().getStatus() != ThingStatus.ONLINE) {
 103                 // Get user info to verify successful authentication and connection to server
 104                 User user = api.showUser();
 105                 if (user == null) {
 106                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 107                             "Cannot connect to server. Username and/or password might be invalid");
 108                     return;
 109                 }
 110
 111                 List<UserHomes> homes = user.getHomes();
 112                 if (homes == null || homes.isEmpty()) {
 113                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 114                             "User does not have access to any home");
 115                     return;
 116                 }
 117
 118                 Integer firstHomeId = homes.get(0).getId();
 119                 if (firstHomeId == null) {
 120                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, "Missing Home Id");
 121                     return;
 122                 }
 123
 124                 homeId = firstHomeId.longValue();
 125             }
 126
 127             // but always make one server call as a 'ping' to confirm we are really still online
 128             HomeInfo homeInfo = api.showHome(homeId);
 129             TemperatureUnit temperatureUnit = org.openhab.binding.tado.internal.api.model.TemperatureUnit.FAHRENHEIT == homeInfo
 130                     .getTemperatureUnit() ? TemperatureUnit.FAHRENHEIT : TemperatureUnit.CELSIUS;
 131             updateProperty(TadoBindingConstants.PROPERTY_HOME_TEMPERATURE_UNIT, temperatureUnit.name());
 132         } catch (IOException | ApiException e) {
 133             logger.debug("Error accessing tado server: {}", e.getMessage(), e);
 134             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 135                     "Could not connect to server due to " + e.getMessage());
 136             return;
 137         }
 138
 139         updateStatus(ThingStatus.ONLINE);
 140     }
 141
 142     @Override
 143     public void dispose() {
 144         super.dispose();
 145         ScheduledFuture<?> initializationFuture = this.initializationFuture;
 146         if (initializationFuture != null && !initializationFuture.isCancelled()) {
 147             initializationFuture.cancel(true);
 148         }
 149     }
 150
 151     public HomeApi getApi() {
 152         return api;
 153     }
 154
 155     public @Nullable Long getHomeId() {
 156         return homeId;
 157     }
 158
 159     public HomeState getHomeState() throws IOException, ApiException {
 160         return api.homeState(getHomeId());
 161     }
 162
 163     public void updateHomeState() {
 164         try {
 165             updateState(TadoBindingConstants.CHANNEL_HOME_PRESENCE_MODE,
 166                     getHomeState().getPresence() == PresenceState.HOME ? OnOffType.ON : OnOffType.OFF);
 167         } catch (IOException | ApiException e) {
 168             logger.debug("Error accessing tado server: {}", e.getMessage(), e);
 169         }
 170     }
 171
 172     @Override
 173     public void handleCommand(ChannelUID channelUID, Command command) {
 174         String id = channelUID.getId();
 175
 176         if (command == RefreshType.REFRESH) {
 177             updateHomeState();
 178             return;
 179         }
 180
 181         switch (id) {
 182             case TadoBindingConstants.CHANNEL_HOME_PRESENCE_MODE:
 183                 HomePresence presence = new HomePresence();
 184                 presence.setHomePresence(command.toFullString().toUpperCase().equals("ON")
 185                         || command.toFullString().toUpperCase().equals("HOME") ? PresenceState.HOME
 186                                 : PresenceState.AWAY);
 187                 try {
 188                     api.updatePresenceLock(homeId, presence);
 189                 } catch (IOException | ApiException e) {
 190                     logger.warn("Error setting home presence: {}", e.getMessage(), e);
 191                 }
 192
 193                 break;
 194
 195         }
 196     }
 197
 198     public State getBatteryLowAlarm(long zoneId) {
 199         TadoBatteryChecker batteryChecker = this.batteryChecker;
 200         return batteryChecker != null ? batteryChecker.getBatteryLowAlarm(zoneId) : UnDefType.UNDEF;
 201     }
 202 }