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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.homeconnect.internal.discovery;
  14
  15 import static org.openhab.binding.homeconnect.internal.HomeConnectBindingConstants.*;
  16
  17 import java.util.List;
  18 import java.util.Map;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.binding.homeconnect.internal.client.HomeConnectApiClient;
  23 import org.openhab.binding.homeconnect.internal.client.exception.AuthorizationException;
  24 import org.openhab.binding.homeconnect.internal.client.exception.CommunicationException;
  25 import org.openhab.binding.homeconnect.internal.client.model.HomeAppliance;
  26 import org.openhab.binding.homeconnect.internal.handler.HomeConnectBridgeHandler;
  27 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  28 import org.openhab.core.config.discovery.DiscoveryResult;
  29 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  30 import org.openhab.core.config.discovery.DiscoveryService;
  31 import org.openhab.core.thing.ThingTypeUID;
  32 import org.openhab.core.thing.ThingUID;
  33 import org.openhab.core.thing.binding.ThingHandler;
  34 import org.openhab.core.thing.binding.ThingHandlerService;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 /**
  39  * The {@link HomeConnectDiscoveryService} is responsible for discovering new devices.
  40  *
  41  * @author Jonas Brüstel - Initial contribution
  42  */
  43 @NonNullByDefault
  44 public class HomeConnectDiscoveryService extends AbstractDiscoveryService
  45         implements DiscoveryService, ThingHandlerService {
  46
  47     private static final int SEARCH_TIME_SEC = 20;
  48
  49     private final Logger logger = LoggerFactory.getLogger(HomeConnectDiscoveryService.class);
  50
  51     private @Nullable HomeConnectBridgeHandler bridgeHandler;
  52
  53     /**
  54      * Construct a {@link HomeConnectDiscoveryService}.
  55      *
  56      */
  57     public HomeConnectDiscoveryService() {
  58         super(DISCOVERABLE_DEVICE_THING_TYPES_UIDS, SEARCH_TIME_SEC, true);
  59     }
  60
  61     @Override
  62     public void setThingHandler(ThingHandler handler) {
  63         if (handler instanceof HomeConnectBridgeHandler) {
  64             this.bridgeHandler = (HomeConnectBridgeHandler) handler;
  65         }
  66     }
  67
  68     @Override
  69     public @Nullable ThingHandler getThingHandler() {
  70         return bridgeHandler;
  71     }
  72
  73     @Override
  74     protected void startScan() {
  75         logger.debug("Starting device scan.");
  76
  77         var bridgeHandler = this.bridgeHandler;
  78         if (bridgeHandler != null) {
  79             HomeConnectApiClient apiClient = bridgeHandler.getApiClient();
  80
  81             try {
  82                 List<HomeAppliance> appliances = apiClient.getHomeAppliances();
  83                 logger.debug("Scan found {} devices.", appliances.size());
  84
  85                 // add found devices
  86                 for (HomeAppliance appliance : appliances) {
  87                     @Nullable
  88                     ThingTypeUID thingTypeUID = getThingTypeUID(appliance);
  89
  90                     if (thingTypeUID != null) {
  91                         logger.debug("Found {} ({}).", appliance.getHaId(), appliance.getType().toUpperCase());
  92
  93                         Map<String, Object> properties = Map.of(HA_ID, appliance.getHaId());
  94                         String name = appliance.getBrand() + " " + appliance.getName() + " (" + appliance.getHaId()
  95                                 + ")";
  96
  97                         DiscoveryResult discoveryResult = DiscoveryResultBuilder
  98                                 .create(new ThingUID(BINDING_ID, appliance.getType(),
  99                                         bridgeHandler.getThing().getUID().getId(), appliance.getHaId()))
 100                                 .withThingType(thingTypeUID).withProperties(properties)
 101                                 .withRepresentationProperty(HA_ID).withBridge(bridgeHandler.getThing().getUID())
 102                                 .withLabel(name).build();
 103                         thingDiscovered(discoveryResult);
 104                     } else {
 105                         logger.debug("Ignoring unsupported device {} of type {}.", appliance.getHaId(),
 106                                 appliance.getType());
 107                     }
 108                 }
 109             } catch (CommunicationException | AuthorizationException e) {
 110                 logger.debug("Exception during scan.", e);
 111             }
 112         }
 113         logger.debug("Finished device scan.");
 114     }
 115
 116     @Override
 117     public void deactivate() {
 118         super.deactivate();
 119         var bridgeHandler = this.bridgeHandler;
 120         if (bridgeHandler != null) {
 121             removeOlderResults(System.currentTimeMillis(), bridgeHandler.getThing().getUID());
 122         }
 123     }
 124
 125     @Override
 126     protected synchronized void stopScan() {
 127         super.stopScan();
 128         var bridgeHandler = this.bridgeHandler;
 129         if (bridgeHandler != null) {
 130             removeOlderResults(getTimestampOfLastScan(), bridgeHandler.getThing().getUID());
 131         }
 132     }
 133
 134     private @Nullable ThingTypeUID getThingTypeUID(HomeAppliance appliance) {
 135         @Nullable
 136         ThingTypeUID thingTypeUID = null;
 137
 138         if (THING_TYPE_DISHWASHER.getId().equalsIgnoreCase(appliance.getType())) {
 139             thingTypeUID = THING_TYPE_DISHWASHER;
 140         } else if (THING_TYPE_OVEN.getId().equalsIgnoreCase(appliance.getType())) {
 141             thingTypeUID = THING_TYPE_OVEN;
 142         } else if (THING_TYPE_FRIDGE_FREEZER.getId().equalsIgnoreCase(appliance.getType())) {
 143             thingTypeUID = THING_TYPE_FRIDGE_FREEZER;
 144         } else if (THING_TYPE_DRYER.getId().equalsIgnoreCase(appliance.getType())) {
 145             thingTypeUID = THING_TYPE_DRYER;
 146         } else if (THING_TYPE_COFFEE_MAKER.getId().equalsIgnoreCase(appliance.getType())) {
 147             thingTypeUID = THING_TYPE_COFFEE_MAKER;
 148         } else if (THING_TYPE_HOOD.getId().equalsIgnoreCase(appliance.getType())) {
 149             thingTypeUID = THING_TYPE_HOOD;
 150         } else if (THING_TYPE_WASHER_DRYER.getId().equalsIgnoreCase(appliance.getType())) {
 151             thingTypeUID = THING_TYPE_WASHER_DRYER;
 152         } else if (THING_TYPE_COOKTOP.getId().equalsIgnoreCase(appliance.getType())) {
 153             thingTypeUID = THING_TYPE_COOKTOP;
 154         } else if (THING_TYPE_WASHER.getId().equalsIgnoreCase(appliance.getType())) {
 155             thingTypeUID = THING_TYPE_WASHER;
 156         }
 157
 158         return thingTypeUID;
 159     }
 160 }