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