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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.digitalstrom.internal.discovery;
  14
  15 import static org.openhab.binding.digitalstrom.internal.DigitalSTROMBindingConstants.BINDING_ID;
  16
  17 import java.util.Arrays;
  18 import java.util.Date;
  19 import java.util.HashMap;
  20 import java.util.HashSet;
  21 import java.util.Map;
  22
  23 import org.openhab.binding.digitalstrom.internal.DigitalSTROMBindingConstants;
  24 import org.openhab.binding.digitalstrom.internal.handler.BridgeHandler;
  25 import org.openhab.binding.digitalstrom.internal.lib.climate.jsonresponsecontainer.impl.TemperatureControlStatus;
  26 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  27 import org.openhab.core.config.discovery.DiscoveryResult;
  28 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  29 import org.openhab.core.thing.ThingTypeUID;
  30 import org.openhab.core.thing.ThingUID;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 /**
  35  * The {@link ZoneTemperatureControlDiscoveryService} discovers all digitalSTROM zones which have temperature control
  36  * configured. The thing-type has to be given to the
  37  * {@link #ZoneTemperatureControlDiscoveryService(BridgeHandler, ThingTypeUID)} as
  38  * {@link org.openhab.core.thing.ThingTypeUID}. The supported {@link org.openhab.core.thing.ThingTypeUID}
  39  * can be found at
  40  * {@link org.openhab.binding.digitalstrom.internal.handler.ZoneTemperatureControlHandler#SUPPORTED_THING_TYPES}
  41  *
  42  * @author Michael Ochel - Initial contribution
  43  * @author Matthias Siegele - Initial contribution
  44  */
  45 public class ZoneTemperatureControlDiscoveryService extends AbstractDiscoveryService {
  46
  47     private final Logger logger = LoggerFactory.getLogger(ZoneTemperatureControlDiscoveryService.class);
  48     BridgeHandler bridgeHandler;
  49     private final ThingUID bridgeUID;
  50     private final String thingTypeID;
  51
  52     public static final int TIMEOUT = 10;
  53
  54     /**
  55      * Creates a new {@link ZoneTemperatureControlDiscoveryService}.
  56      *
  57      * @param bridgeHandler must not be null
  58      * @param supportedThingType must not be null
  59      * @throws IllegalArgumentException see {@link AbstractDiscoveryService#AbstractDiscoveryService(int)}
  60      */
  61     public ZoneTemperatureControlDiscoveryService(BridgeHandler bridgeHandler, ThingTypeUID supportedThingType)
  62             throws IllegalArgumentException {
  63         super(new HashSet<>(Arrays.asList(supportedThingType)), TIMEOUT, true);
  64         bridgeUID = bridgeHandler.getThing().getUID();
  65         this.bridgeHandler = bridgeHandler;
  66         thingTypeID = supportedThingType.getId();
  67     }
  68
  69     @Override
  70     protected void startScan() {
  71         for (TemperatureControlStatus tempConStat : bridgeHandler.getTemperatureControlStatusFromAllZones()) {
  72             internalConfigChanged(tempConStat);
  73         }
  74     }
  75
  76     @Override
  77     public void deactivate() {
  78         logger.debug("Deactivate discovery service for zone teperature control type remove thing types {}",
  79                 super.getSupportedThingTypes());
  80         removeOlderResults(new Date().getTime());
  81     }
  82
  83     /**
  84      * Method for the background discovery
  85      *
  86      * @see org.openhab.binding.digitalstrom.internal.lib.listener.TemperatureControlStatusListener#configChanged(TemperatureControlStatus)
  87      * @param tempControlStatus can be null
  88      */
  89     public void configChanged(TemperatureControlStatus tempControlStatus) {
  90         if (isBackgroundDiscoveryEnabled()) {
  91             internalConfigChanged(tempControlStatus);
  92         }
  93     }
  94
  95     private void internalConfigChanged(TemperatureControlStatus tempControlStatus) {
  96         if (tempControlStatus == null) {
  97             return;
  98         }
  99         if (tempControlStatus.isNotSetOff()) {
 100             logger.debug("found configured zone TemperatureControlStatus = {}", tempControlStatus);
 101
 102             ThingUID thingUID = getThingUID(tempControlStatus);
 103             if (thingUID != null) {
 104                 Map<String, Object> properties = new HashMap<>();
 105                 properties.put(DigitalSTROMBindingConstants.ZONE_ID, tempControlStatus.getZoneID());
 106                 String zoneName = tempControlStatus.getZoneName();
 107                 if (zoneName == null || zoneName.isBlank()) {
 108                     zoneName = tempControlStatus.getZoneID().toString();
 109                 }
 110                 DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID).withProperties(properties)
 111                         .withBridge(bridgeUID).withLabel(zoneName).build();
 112                 thingDiscovered(discoveryResult);
 113
 114             }
 115         }
 116     }
 117
 118     private ThingUID getThingUID(TemperatureControlStatus tempControlStatus) {
 119         ThingTypeUID thingTypeUID = new ThingTypeUID(BINDING_ID, thingTypeID);
 120         if (getSupportedThingTypes().contains(thingTypeUID)) {
 121             String thingID = tempControlStatus.getZoneID().toString();
 122             return new ThingUID(thingTypeUID, bridgeUID, thingID);
 123         } else {
 124             return null;
 125         }
 126     }
 127
 128     /**
 129      * Returns the ID of this {@link ZoneTemperatureControlDiscoveryService}.
 130      *
 131      * @return id of the service
 132      */
 133     public String getID() {
 134         return thingTypeID;
 135     }
 136 }