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   1 /**
   2  * Copyright (c) 2010-2022 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.foobot.internal.discovery;
  14
  15 import java.util.HashMap;
  16 import java.util.List;
  17 import java.util.Map;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.foobot.internal.FoobotApiException;
  22 import org.openhab.binding.foobot.internal.FoobotBindingConstants;
  23 import org.openhab.binding.foobot.internal.FoobotHandlerFactory;
  24 import org.openhab.binding.foobot.internal.handler.FoobotAccountHandler;
  25 import org.openhab.binding.foobot.internal.handler.FoobotDeviceHandler;
  26 import org.openhab.binding.foobot.internal.json.FoobotDevice;
  27 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  28 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  29 import org.openhab.core.config.discovery.DiscoveryService;
  30 import org.openhab.core.thing.Thing;
  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  * The {@link FoobotAccountDiscoveryService} is responsible for starting the discovery procedure
  39  * that retrieves Foobot account and imports all registered Foobot devices.
  40  *
  41  * @author George Katsis - Initial contribution
  42  * @author Hilbrand Bouwkamp - Completed implementation
  43  */
  44 @NonNullByDefault
  45 public class FoobotAccountDiscoveryService extends AbstractDiscoveryService
  46         implements DiscoveryService, ThingHandlerService {
  47
  48     private static final int TIMEOUT_SECONDS = 5;
  49
  50     private final Logger logger = LoggerFactory.getLogger(FoobotAccountDiscoveryService.class);
  51
  52     private @Nullable FoobotAccountHandler handler;
  53     private @NonNullByDefault({}) ThingUID bridgeUID;
  54
  55     public FoobotAccountDiscoveryService() {
  56         super(FoobotHandlerFactory.DISCOVERABLE_THING_TYPE_UIDS, TIMEOUT_SECONDS, false);
  57     }
  58
  59     @Override
  60     protected void startScan() {
  61         scheduler.execute(this::retrieveFoobots);
  62     }
  63
  64     private void retrieveFoobots() {
  65         if (handler == null) {
  66             return;
  67         }
  68         try {
  69             final List<FoobotDeviceHandler> footbotHandlers = handler.getFootbotHandlers();
  70
  71             handler.getDeviceList().stream()
  72                     .filter(d -> !footbotHandlers.stream().anyMatch(h -> h.getUuid().equals(d.getUuid())))
  73                     .forEach(this::addThing);
  74         } catch (final FoobotApiException e) {
  75             logger.debug("Footbot Api connection failed: {}", e.getMessage(), e);
  76             logger.warn("Discovering new footbot devices failed: {}", e.getMessage());
  77         }
  78     }
  79
  80     @Override
  81     public void deactivate() {
  82         super.deactivate();
  83     }
  84
  85     private void addThing(final FoobotDevice foobot) {
  86         logger.debug("Adding new Foobot '{}' with uuid: {}", foobot.getName(), foobot.getUuid());
  87
  88         final ThingUID thingUID = new ThingUID(FoobotBindingConstants.THING_TYPE_FOOBOT, bridgeUID, foobot.getUuid());
  89         final Map<String, Object> properties = new HashMap<>();
  90         properties.put(Thing.PROPERTY_SERIAL_NUMBER, foobot.getUuid());
  91         properties.put(FoobotBindingConstants.CONFIG_UUID, foobot.getUuid());
  92         properties.put(Thing.PROPERTY_MAC_ADDRESS, foobot.getMac());
  93         properties.put(FoobotBindingConstants.PROPERTY_NAME, foobot.getName());
  94
  95         thingDiscovered(DiscoveryResultBuilder.create(thingUID).withBridge(bridgeUID).withProperties(properties)
  96                 .withLabel(foobot.getName()).withRepresentationProperty(foobot.getUuid()).build());
  97     }
  98
  99     @Override
 100     public void setThingHandler(@Nullable final ThingHandler handler) {
 101         if (handler instanceof FoobotAccountHandler) {
 102             this.handler = (FoobotAccountHandler) handler;
 103         }
 104     }
 105
 106     @Override
 107     public @Nullable ThingHandler getThingHandler() {
 108         return handler;
 109     }
 110 }