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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.vigicrues.internal.discovery;
  14
  15 import static org.openhab.binding.vigicrues.internal.VigiCruesBindingConstants.*;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.openhab.binding.vigicrues.internal.StationConfiguration;
  19 import org.openhab.binding.vigicrues.internal.api.ApiHandler;
  20 import org.openhab.binding.vigicrues.internal.api.VigiCruesException;
  21 import org.openhab.binding.vigicrues.internal.dto.hubeau.HubEauResponse;
  22 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  23 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  24 import org.openhab.core.config.discovery.DiscoveryService;
  25 import org.openhab.core.i18n.LocationProvider;
  26 import org.openhab.core.library.types.PointType;
  27 import org.openhab.core.thing.ThingUID;
  28 import org.osgi.service.component.annotations.Activate;
  29 import org.osgi.service.component.annotations.Component;
  30 import org.osgi.service.component.annotations.Reference;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 /**
  35  * The {@link VigiCruesDiscoveryService} searches for available
  36  * hydro stations discoverable through API
  37  *
  38  * @author Gaël L'hopital - Initial contribution
  39  */
  40 @Component(service = DiscoveryService.class, configurationPid = "discovery.vigicrues")
  41 @NonNullByDefault
  42 public class VigiCruesDiscoveryService extends AbstractDiscoveryService {
  43     private static final int SEARCH_TIME = 5;
  44
  45     private final Logger logger = LoggerFactory.getLogger(VigiCruesDiscoveryService.class);
  46     private final LocationProvider locationProvider;
  47     private final ApiHandler apiHandler;
  48
  49     private int searchRange = 10;
  50
  51     @Activate
  52     public VigiCruesDiscoveryService(@Reference ApiHandler apiHandler, @Reference LocationProvider locationProvider) {
  53         super(SUPPORTED_THING_TYPES_UIDS, SEARCH_TIME, false);
  54         this.apiHandler = apiHandler;
  55         this.locationProvider = locationProvider;
  56     }
  57
  58     @Override
  59     public void startScan() {
  60         PointType location = locationProvider.getLocation();
  61         if (location != null) {
  62             try {
  63                 HubEauResponse response = apiHandler.discoverStations(location, searchRange);
  64                 if (response.count > 0) {
  65                     response.stations.stream().filter(station -> station.enService).forEach(station -> {
  66                         thingDiscovered(DiscoveryResultBuilder
  67                                 .create(new ThingUID(THING_TYPE_STATION, station.codeStation))
  68                                 .withLabel(station.libelleStation).withRepresentationProperty(StationConfiguration.ID)
  69                                 .withProperty(StationConfiguration.ID, station.codeStation).build());
  70                     });
  71                 } else {
  72                     logger.info("No station exists in a neighbourhood of {} km", searchRange);
  73                 }
  74             } catch (VigiCruesException e) {
  75                 logger.warn("Error discovering nearby hydro stations : {}", e.getMessage());
  76             }
  77             searchRange += 10;
  78         }
  79         stopScan();
  80     }
  81 }