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