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   1 /**
   2  * Copyright (c) 2010-2023 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.electroluxair.internal.handler;
  14
  15 import static org.openhab.binding.electroluxair.internal.ElectroluxAirBindingConstants.*;
  16
  17 import java.util.Collection;
  18 import java.util.Collections;
  19 import java.util.Map;
  20 import java.util.Set;
  21 import java.util.concurrent.ConcurrentHashMap;
  22 import java.util.concurrent.ScheduledFuture;
  23 import java.util.concurrent.TimeUnit;
  24
  25 import org.eclipse.jdt.annotation.NonNullByDefault;
  26 import org.eclipse.jdt.annotation.Nullable;
  27 import org.eclipse.jetty.client.HttpClient;
  28 import org.openhab.binding.electroluxair.internal.ElectroluxAirBridgeConfiguration;
  29 import org.openhab.binding.electroluxair.internal.api.ElectroluxDeltaAPI;
  30 import org.openhab.binding.electroluxair.internal.discovery.ElectroluxAirDiscoveryService;
  31 import org.openhab.binding.electroluxair.internal.dto.ElectroluxPureA9DTO;
  32 import org.openhab.core.thing.Bridge;
  33 import org.openhab.core.thing.ChannelUID;
  34 import org.openhab.core.thing.ThingStatus;
  35 import org.openhab.core.thing.ThingStatusDetail;
  36 import org.openhab.core.thing.ThingTypeUID;
  37 import org.openhab.core.thing.binding.BaseBridgeHandler;
  38 import org.openhab.core.thing.binding.ThingHandlerService;
  39 import org.openhab.core.types.Command;
  40 import org.openhab.core.types.RefreshType;
  41
  42 import com.google.gson.Gson;
  43
  44 /**
  45  * The {@link ElectroluxAirBridgeHandler} is responsible for handling commands, which are
  46  * sent to one of the channels.
  47  *
  48  * @author Jan Gustafsson - Initial contribution
  49  */
  50 @NonNullByDefault
  51 public class ElectroluxAirBridgeHandler extends BaseBridgeHandler {
  52
  53     public static final Set<ThingTypeUID> SUPPORTED_THING_TYPES = Collections.singleton(THING_TYPE_BRIDGE);
  54
  55     private int refreshTimeInSeconds = 300;
  56
  57     private final Gson gson;
  58     private final HttpClient httpClient;
  59     private final Map<String, ElectroluxPureA9DTO> electroluxAirThings = new ConcurrentHashMap<>();
  60
  61     private @Nullable ElectroluxDeltaAPI api;
  62     private @Nullable ScheduledFuture<?> refreshJob;
  63
  64     public ElectroluxAirBridgeHandler(Bridge bridge, HttpClient httpClient, Gson gson) {
  65         super(bridge);
  66         this.httpClient = httpClient;
  67         this.gson = gson;
  68     }
  69
  70     @Override
  71     public void initialize() {
  72         ElectroluxAirBridgeConfiguration config = getConfigAs(ElectroluxAirBridgeConfiguration.class);
  73
  74         ElectroluxDeltaAPI electroluxDeltaAPI = new ElectroluxDeltaAPI(config, gson, httpClient);
  75         refreshTimeInSeconds = config.refresh;
  76
  77         if (config.username == null || config.password == null) {
  78             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
  79                     "Configuration of username, password is mandatory");
  80         } else if (refreshTimeInSeconds < 0) {
  81             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
  82                     "Refresh time cannot be negative!");
  83         } else {
  84             try {
  85                 this.api = electroluxDeltaAPI;
  86                 scheduler.execute(() -> {
  87                     updateStatus(ThingStatus.UNKNOWN);
  88                     startAutomaticRefresh();
  89
  90                 });
  91             } catch (RuntimeException e) {
  92                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, e.getMessage());
  93             }
  94         }
  95     }
  96
  97     public Map<String, ElectroluxPureA9DTO> getElectroluxAirThings() {
  98         return electroluxAirThings;
  99     }
 100
 101     @Override
 102     public Collection<Class<? extends ThingHandlerService>> getServices() {
 103         return Collections.singleton(ElectroluxAirDiscoveryService.class);
 104     }
 105
 106     @Override
 107     public void dispose() {
 108         stopAutomaticRefresh();
 109     }
 110
 111     public @Nullable ElectroluxDeltaAPI getElectroluxDeltaAPI() {
 112         return api;
 113     }
 114
 115     private boolean refreshAndUpdateStatus() {
 116         if (api != null) {
 117             if (api.refresh(electroluxAirThings)) {
 118                 getThing().getThings().stream().forEach(thing -> {
 119                     ElectroluxAirHandler handler = (ElectroluxAirHandler) thing.getHandler();
 120                     if (handler != null) {
 121                         handler.update();
 122                     }
 123                 });
 124                 updateStatus(ThingStatus.ONLINE);
 125                 return true;
 126             } else {
 127                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR);
 128             }
 129         }
 130         return false;
 131     }
 132
 133     private void startAutomaticRefresh() {
 134         ScheduledFuture<?> refreshJob = this.refreshJob;
 135         if (refreshJob == null || refreshJob.isCancelled()) {
 136             this.refreshJob = scheduler.scheduleWithFixedDelay(this::refreshAndUpdateStatus, 0, refreshTimeInSeconds,
 137                     TimeUnit.SECONDS);
 138         }
 139     }
 140
 141     private void stopAutomaticRefresh() {
 142         ScheduledFuture<?> refreshJob = this.refreshJob;
 143         if (refreshJob != null) {
 144             refreshJob.cancel(true);
 145             this.refreshJob = null;
 146         }
 147     }
 148
 149     @Override
 150     public void handleCommand(ChannelUID channelUID, Command command) {
 151         if (CHANNEL_STATUS.equals(channelUID.getId()) && command instanceof RefreshType) {
 152             scheduler.schedule(this::refreshAndUpdateStatus, 1, TimeUnit.SECONDS);
 153         }
 154     }
 155 }