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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.ThingStatus;
  38 import org.openhab.core.thing.ThingStatusDetail;
  39 import org.openhab.core.thing.binding.BaseBridgeHandler;
  40 import org.openhab.core.types.Command;
  41 import org.openhab.core.types.RefreshType;
  42 import org.openhab.core.types.State;
  43 import org.openhab.core.types.UnDefType;
  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 @Nullable 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         Bridge bridge = getBridge();
  89         if (bridge != null && bridge.getStatus() == ThingStatus.ONLINE) {
  90             return;
  91         }
  92
  93         try {
  94             // Get user info to verify successful authentication and connection to server
  95             User user = api.showUser();
  96             if (user == null) {
  97                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
  98                         "Cannot connect to server. Username and/or password might be invalid");
  99                 return;
 100             }
 101
 102             List<UserHomes> homes = user.getHomes();
 103             if (homes == null || homes.isEmpty()) {
 104                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 105                         "User does not have access to any home");
 106                 return;
 107             }
 108
 109             Integer firstHomeId = homes.get(0).getId();
 110             if (firstHomeId == null) {
 111                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, "Missing Home Id");
 112                 return;
 113             }
 114
 115             homeId = firstHomeId.longValue();
 116
 117             HomeInfo homeInfo = api.showHome(homeId);
 118             TemperatureUnit temperatureUnit = org.openhab.binding.tado.internal.api.model.TemperatureUnit.FAHRENHEIT == homeInfo
 119                     .getTemperatureUnit() ? TemperatureUnit.FAHRENHEIT : TemperatureUnit.CELSIUS;
 120             updateProperty(TadoBindingConstants.PROPERTY_HOME_TEMPERATURE_UNIT, temperatureUnit.name());
 121         } catch (IOException | ApiException e) {
 122             logger.debug("Error accessing tado server: {}", e.getMessage(), e);
 123             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 124                     "Could not connect to server due to " + e.getMessage());
 125             return;
 126         }
 127
 128         updateStatus(ThingStatus.ONLINE);
 129     }
 130
 131     @Override
 132     public void dispose() {
 133         super.dispose();
 134         ScheduledFuture<?> initializationFuture = this.initializationFuture;
 135         if (initializationFuture != null && !initializationFuture.isCancelled()) {
 136             initializationFuture.cancel(true);
 137         }
 138     }
 139
 140     public HomeApi getApi() {
 141         return api;
 142     }
 143
 144     public @Nullable Long getHomeId() {
 145         return homeId;
 146     }
 147
 148     public HomeState getHomeState() throws IOException, ApiException {
 149         return api.homeState(getHomeId());
 150     }
 151
 152     public void updateHomeState() {
 153         try {
 154             updateState(TadoBindingConstants.CHANNEL_HOME_PRESENCE_MODE,
 155                     getHomeState().getPresence() == PresenceState.HOME ? OnOffType.ON : OnOffType.OFF);
 156         } catch (IOException | ApiException e) {
 157             logger.debug("Error accessing tado server: {}", e.getMessage(), e);
 158         }
 159     }
 160
 161     @Override
 162     public void handleCommand(ChannelUID channelUID, Command command) {
 163         String id = channelUID.getId();
 164
 165         if (command == RefreshType.REFRESH) {
 166             updateHomeState();
 167             return;
 168         }
 169
 170         switch (id) {
 171             case TadoBindingConstants.CHANNEL_HOME_PRESENCE_MODE:
 172                 HomePresence presence = new HomePresence();
 173                 presence.setHomePresence(command.toFullString().toUpperCase().equals("ON")
 174                         || command.toFullString().toUpperCase().equals("HOME") ? PresenceState.HOME
 175                                 : PresenceState.AWAY);
 176                 try {
 177                     api.updatePresenceLock(homeId, presence);
 178                 } catch (IOException | ApiException e) {
 179                     logger.warn("Error setting home presence: {}", e.getMessage(), e);
 180                 }
 181
 182                 break;
 183
 184         }
 185     }
 186
 187     public State getBatteryLowAlarm(long zoneId) {
 188         TadoBatteryChecker batteryChecker = this.batteryChecker;
 189         return batteryChecker != null ? batteryChecker.getBatteryLowAlarm(zoneId) : UnDefType.UNDEF;
 190     }
 191 }