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   1 /**
   2  * Copyright (c) 2010-2020 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().get(TadoBindingConstants.PROPERTY_HOME_TEMPERATURE_UNIT);
  66         return TemperatureUnit.valueOf(temperatureUnitStr);
  67     }
  68
  69     @Override
  70     public void initialize() {
  71         configuration = getConfigAs(TadoHomeConfig.class);
  72         api = new HomeApiFactory().create(configuration.username, configuration.password);
  73
  74         if (this.initializationFuture == null || this.initializationFuture.isDone()) {
  75             initializationFuture = scheduler.scheduleWithFixedDelay(this::initializeBridgeStatusAndPropertiesIfOffline,
  76                     0, 300, TimeUnit.SECONDS);
  77         }
  78     }
  79
  80     private void initializeBridgeStatusAndPropertiesIfOffline() {
  81         Bridge bridge = getBridge();
  82         if (bridge != null && bridge.getStatus() == ThingStatus.ONLINE) {
  83             return;
  84         }
  85
  86         try {
  87             // Get user info to verify successful authentication and connection to server
  88             User user = api.showUser();
  89             if (user == null) {
  90                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
  91                         "Cannot connect to server. Username and/or password might be invalid");
  92                 return;
  93             }
  94
  95             if (user.getHomes().isEmpty()) {
  96                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
  97                         "User does not have access to any home");
  98                 return;
  99             }
 100
 101             homeId = user.getHomes().get(0).getId().longValue();
 102
 103             HomeInfo homeInfo = api.showHome(homeId);
 104             TemperatureUnit temperatureUnit = org.openhab.binding.tado.internal.api.model.TemperatureUnit.FAHRENHEIT == homeInfo
 105                     .getTemperatureUnit() ? TemperatureUnit.FAHRENHEIT : TemperatureUnit.CELSIUS;
 106             updateProperty(TadoBindingConstants.PROPERTY_HOME_TEMPERATURE_UNIT, temperatureUnit.name());
 107         } catch (IOException | ApiException e) {
 108             logger.debug("Error accessing tado server: {}", e.getMessage(), e);
 109             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 110                     "Could not connect to server due to " + e.getMessage());
 111             return;
 112         }
 113
 114         updateStatus(ThingStatus.ONLINE);
 115     }
 116
 117     @Override
 118     public void dispose() {
 119         super.dispose();
 120         if (this.initializationFuture != null || !this.initializationFuture.isDone()) {
 121             this.initializationFuture.cancel(true);
 122             this.initializationFuture = null;
 123         }
 124     }
 125
 126     public HomeApi getApi() {
 127         return api;
 128     }
 129
 130     public Long getHomeId() {
 131         return homeId;
 132     }
 133
 134     public HomeState getHomeState() throws IOException, ApiException {
 135         HomeApi api = getApi();
 136         return api != null ? api.homeState(getHomeId()) : null;
 137     }
 138
 139     public void updateHomeState() {
 140         try {
 141             updateState(TadoBindingConstants.CHANNEL_HOME_PRESENCE_MODE,
 142                     getHomeState().getPresence() == PresenceState.HOME ? OnOffType.ON : OnOffType.OFF);
 143         } catch (IOException | ApiException e) {
 144             logger.debug("Error accessing tado server: {}", e.getMessage(), e);
 145         }
 146     }
 147
 148     @Override
 149     public void handleCommand(ChannelUID channelUID, Command command) {
 150         String id = channelUID.getId();
 151
 152         if (command == RefreshType.REFRESH) {
 153             updateHomeState();
 154             return;
 155         }
 156
 157         switch (id) {
 158             case TadoBindingConstants.CHANNEL_HOME_PRESENCE_MODE:
 159                 HomePresence presence = new HomePresence();
 160                 presence.setHomePresence(command.toFullString().toUpperCase().equals("ON")
 161                         || command.toFullString().toUpperCase().equals("HOME") ? PresenceState.HOME
 162                                 : PresenceState.AWAY);
 163                 try {
 164                     api.updatePresenceLock(homeId, presence);
 165                 } catch (IOException | ApiException e) {
 166                     logger.warn("Error setting home presence: {}", e.getMessage(), e);
 167                 }
 168
 169                 break;
 170
 171         }
 172     }
 173
 174     public State getBatteryLowAlarm(long zoneId) {
 175         return batteryChecker.getBatteryLowAlarm(zoneId);
 176     }
 177 }