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   1 /**
   2  * Copyright (c) 2010-2024 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.mielecloud.internal.discovery;
  14
  15 import static org.openhab.binding.mielecloud.internal.MieleCloudBindingConstants.*;
  16 import static org.openhab.binding.mielecloud.internal.handler.MieleHandlerFactory.SUPPORTED_THING_TYPES;
  17
  18 import java.util.Optional;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.binding.mielecloud.internal.handler.MieleBridgeHandler;
  23 import org.openhab.binding.mielecloud.internal.webservice.api.DeviceState;
  24 import org.openhab.binding.mielecloud.internal.webservice.api.json.DeviceType;
  25 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  26 import org.openhab.core.config.discovery.DiscoveryResult;
  27 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  28 import org.openhab.core.config.discovery.DiscoveryService;
  29 import org.openhab.core.thing.Thing;
  30 import org.openhab.core.thing.ThingTypeUID;
  31 import org.openhab.core.thing.ThingUID;
  32 import org.openhab.core.thing.binding.ThingHandler;
  33 import org.openhab.core.thing.binding.ThingHandlerService;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 /**
  38  * Discovery service for things linked to a Miele cloud account.
  39  *
  40  * @author Roland Edelhoff - Initial contribution
  41  * @author Björn Lange - Do not directly listen to webservice events
  42  */
  43 @NonNullByDefault
  44 public class ThingDiscoveryService extends AbstractDiscoveryService implements DiscoveryService, ThingHandlerService {
  45     private static final int BACKGROUND_DISCOVERY_TIMEOUT_IN_SECONDS = 5;
  46
  47     @Nullable
  48     private MieleBridgeHandler bridgeHandler;
  49
  50     private final Logger logger = LoggerFactory.getLogger(this.getClass());
  51
  52     private boolean discoveringDevices = false;
  53
  54     /**
  55      * Creates a new {@link ThingDiscoveryService}.
  56      */
  57     public ThingDiscoveryService() {
  58         super(SUPPORTED_THING_TYPES, BACKGROUND_DISCOVERY_TIMEOUT_IN_SECONDS);
  59     }
  60
  61     @Nullable
  62     private ThingUID getBridgeUid() {
  63         var bridgeHandler = this.bridgeHandler;
  64         if (bridgeHandler == null) {
  65             return null;
  66         } else {
  67             return bridgeHandler.getThing().getUID();
  68         }
  69     }
  70
  71     @Override
  72     protected void startScan() {
  73     }
  74
  75     @Override
  76     public void activate() {
  77         startBackgroundDiscovery();
  78     }
  79
  80     @Override
  81     public void deactivate() {
  82         stopBackgroundDiscovery();
  83         removeOlderResults(System.currentTimeMillis(), getBridgeUid());
  84     }
  85
  86     /**
  87      * Invoked when a device state update is received from the Miele cloud.
  88      */
  89     public void onDeviceStateUpdated(DeviceState deviceState) {
  90         if (!discoveringDevices) {
  91             return;
  92         }
  93
  94         Optional<ThingTypeUID> thingTypeUid = getThingTypeUID(deviceState);
  95         if (thingTypeUid.isPresent()) {
  96             createDiscoveryResult(deviceState, thingTypeUid.get());
  97         } else {
  98             logger.debug("Unsupported Miele device type: {}", deviceState.getType().orElse("<Empty>"));
  99         }
 100     }
 101
 102     private void createDiscoveryResult(DeviceState deviceState, ThingTypeUID thingTypeUid) {
 103         MieleBridgeHandler bridgeHandler = this.bridgeHandler;
 104         if (bridgeHandler == null) {
 105             return;
 106         }
 107
 108         ThingUID thingUid = new ThingUID(thingTypeUid, bridgeHandler.getThing().getUID(),
 109                 deviceState.getDeviceIdentifier());
 110
 111         DiscoveryResultBuilder discoveryResultBuilder = DiscoveryResultBuilder.create(thingUid)
 112                 .withBridge(bridgeHandler.getThing().getUID()).withRepresentationProperty(Thing.PROPERTY_SERIAL_NUMBER)
 113                 .withLabel(getLabel(deviceState));
 114
 115         ThingInformationExtractor.extractProperties(thingTypeUid, deviceState).entrySet()
 116                 .forEach(entry -> discoveryResultBuilder.withProperty(entry.getKey(), entry.getValue()));
 117
 118         DiscoveryResult result = discoveryResultBuilder.build();
 119
 120         thingDiscovered(result);
 121     }
 122
 123     private Optional<ThingTypeUID> getThingTypeUID(DeviceState deviceState) {
 124         switch (deviceState.getRawType()) {
 125             case COFFEE_SYSTEM:
 126                 return Optional.of(THING_TYPE_COFFEE_SYSTEM);
 127             case TUMBLE_DRYER:
 128                 return Optional.of(THING_TYPE_DRYER);
 129             case WASHING_MACHINE:
 130                 return Optional.of(THING_TYPE_WASHING_MACHINE);
 131             case WASHER_DRYER:
 132                 return Optional.of(THING_TYPE_WASHER_DRYER);
 133             case FREEZER:
 134                 return Optional.of(THING_TYPE_FREEZER);
 135             case FRIDGE:
 136                 return Optional.of(THING_TYPE_FRIDGE);
 137             case FRIDGE_FREEZER_COMBINATION:
 138                 return Optional.of(THING_TYPE_FRIDGE_FREEZER);
 139             case HOB_INDUCTION:
 140             case HOB_HIGHLIGHT:
 141                 return Optional.of(THING_TYPE_HOB);
 142             case DISHWASHER:
 143                 return Optional.of(THING_TYPE_DISHWASHER);
 144             case OVEN:
 145             case OVEN_MICROWAVE:
 146             case STEAM_OVEN:
 147             case STEAM_OVEN_COMBINATION:
 148             case STEAM_OVEN_MICROWAVE_COMBINATION:
 149             case DIALOGOVEN:
 150                 return Optional.of(THING_TYPE_OVEN);
 151             case WINE_CABINET:
 152             case WINE_STORAGE_CONDITIONING_UNIT:
 153             case WINE_CONDITIONING_UNIT:
 154             case WINE_CABINET_FREEZER_COMBINATION:
 155                 return Optional.of(THING_TYPE_WINE_STORAGE);
 156             case HOOD:
 157                 return Optional.of(THING_TYPE_HOOD);
 158             case DISH_WARMER:
 159                 return Optional.of(THING_TYPE_DISH_WARMER);
 160             case VACUUM_CLEANER:
 161                 return Optional.of(THING_TYPE_ROBOTIC_VACUUM_CLEANER);
 162
 163             default:
 164                 if (deviceState.getRawType() != DeviceType.UNKNOWN) {
 165                     logger.warn("Found no matching thing type for device type {}", deviceState.getRawType());
 166                 }
 167                 return Optional.empty();
 168         }
 169     }
 170
 171     @Override
 172     protected void startBackgroundDiscovery() {
 173         logger.debug("Starting background discovery");
 174
 175         removeOlderResults(System.currentTimeMillis(), getBridgeUid());
 176         discoveringDevices = true;
 177     }
 178
 179     @Override
 180     protected void stopBackgroundDiscovery() {
 181         logger.debug("Stopping background discovery");
 182         discoveringDevices = false;
 183     }
 184
 185     /**
 186      * Invoked when a device is removed from the Miele cloud.
 187      */
 188     public void onDeviceRemoved(String deviceIdentifier) {
 189         removeOlderResults(System.currentTimeMillis(), getBridgeUid());
 190     }
 191
 192     private String getLabel(DeviceState deviceState) {
 193         Optional<String> deviceName = deviceState.getDeviceName();
 194         if (deviceName.isPresent()) {
 195             return deviceName.get();
 196         }
 197
 198         return ThingInformationExtractor.getDeviceAndTechType(deviceState).orElse("Miele Device");
 199     }
 200
 201     @Override
 202     public void setThingHandler(ThingHandler handler) {
 203         if (handler instanceof MieleBridgeHandler bridgeHandler) {
 204             bridgeHandler.setDiscoveryService(this);
 205             this.bridgeHandler = bridgeHandler;
 206         }
 207     }
 208
 209     @Override
 210     public @Nullable ThingHandler getThingHandler() {
 211         return bridgeHandler;
 212     }
 213 }