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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.List;
  22 import java.util.Map;
  23
  24 import org.openhab.binding.digitalstrom.internal.DigitalSTROMBindingConstants;
  25 import org.openhab.binding.digitalstrom.internal.handler.BridgeHandler;
  26 import org.openhab.binding.digitalstrom.internal.lib.structure.devices.Circuit;
  27 import org.openhab.binding.digitalstrom.internal.lib.structure.devices.Device;
  28 import org.openhab.binding.digitalstrom.internal.lib.structure.devices.GeneralDeviceInformation;
  29 import org.openhab.binding.digitalstrom.internal.providers.DsDeviceThingTypeProvider;
  30 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  31 import org.openhab.core.config.discovery.DiscoveryResult;
  32 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  33 import org.openhab.core.thing.ThingTypeUID;
  34 import org.openhab.core.thing.ThingUID;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 /**
  39  * The {@link DeviceDiscoveryService} discovers all digitalSTROM-Devices, of one supported device-color-type. The
  40  * device-color-type has to be given to the {@link #DeviceDiscoveryService(BridgeHandler, ThingTypeUID)} as
  41  * {@link ThingTypeUID}. The supported {@link ThingTypeUID} can be found at
  42  * {@link DeviceHandler#SUPPORTED_THING_TYPES}.
  43  *
  44  * @author Michael Ochel - Initial contribution
  45  * @author Matthias Siegele - Initial contribution
  46  */
  47 public class DeviceDiscoveryService extends AbstractDiscoveryService {
  48
  49     private final Logger logger = LoggerFactory.getLogger(DeviceDiscoveryService.class);
  50
  51     private final BridgeHandler bridgeHandler;
  52     private final String deviceType;
  53     private final ThingUID bridgeUID;
  54
  55     public static final int TIMEOUT = 10;
  56
  57     /**
  58      * Creates a new {@link DeviceDiscoveryService} for the given supported {@link ThingTypeUID}.
  59      *
  60      * @param bridgeHandler (must not be null)
  61      * @param supportedThingType (must not be null)
  62      * @throws IllegalArgumentException see {@link AbstractDiscoveryService#AbstractDiscoveryService(int)}
  63      */
  64     public DeviceDiscoveryService(BridgeHandler bridgeHandler, ThingTypeUID supportedThingType)
  65             throws IllegalArgumentException {
  66         super(new HashSet<>(Arrays.asList(supportedThingType)), TIMEOUT, true);
  67         this.deviceType = supportedThingType.getId();
  68         this.bridgeHandler = bridgeHandler;
  69         bridgeUID = bridgeHandler.getThing().getUID();
  70     }
  71
  72     /**
  73      * Deactivates the {@link DeviceDiscoveryService} and removes the {@link DiscoveryResult}s.
  74      */
  75     @Override
  76     public void deactivate() {
  77         logger.debug("deactivate discovery service for device type {} thing types are: {}", deviceType,
  78                 super.getSupportedThingTypes().toString());
  79         removeOlderResults(new Date().getTime());
  80     }
  81
  82     @Override
  83     protected void startScan() {
  84         if (bridgeHandler != null) {
  85             if (!DsDeviceThingTypeProvider.SupportedThingTypes.circuit.toString().equals(deviceType)) {
  86                 List<Device> devices = bridgeHandler.getDevices();
  87                 if (devices != null) {
  88                     for (Device device : devices) {
  89                         onDeviceAddedInternal(device);
  90                     }
  91                 }
  92             } else {
  93                 List<Circuit> circuits = bridgeHandler.getCircuits();
  94                 if (circuits != null) {
  95                     for (Circuit circuit : circuits) {
  96                         onDeviceAddedInternal(circuit);
  97                     }
  98                 }
  99             }
 100         }
 101     }
 102
 103     @Override
 104     protected synchronized void stopScan() {
 105         super.stopScan();
 106         removeOlderResults(getTimestampOfLastScan());
 107     }
 108
 109     private void onDeviceAddedInternal(GeneralDeviceInformation device) {
 110         boolean isSupported = false;
 111         if (device instanceof Device) {
 112             Device tempDevice = (Device) device;
 113             if ((tempDevice.isSensorDevice() && deviceType.equals(tempDevice.getHWinfo().replaceAll("-", "")))
 114                     || (deviceType.equals(tempDevice.getHWinfo().substring(0, 2))
 115                             && (tempDevice.isDeviceWithOutput() || tempDevice.isBinaryInputDevice())
 116                             && tempDevice.isPresent())) {
 117                 isSupported = true;
 118             }
 119         } else if (device instanceof Circuit
 120                 && DsDeviceThingTypeProvider.SupportedThingTypes.circuit.toString().equals(deviceType)) {
 121             isSupported = true;
 122         }
 123         if (isSupported) {
 124             ThingUID thingUID = getThingUID(device);
 125             if (thingUID != null) {
 126                 Map<String, Object> properties = new HashMap<>(1);
 127                 properties.put(DigitalSTROMBindingConstants.DEVICE_DSID, device.getDSID().getValue());
 128                 String deviceName = device.getName();
 129                 if (deviceName == null || deviceName.isBlank()) {
 130                     // if no name is set, the dSID will be used as name
 131                     deviceName = device.getDSID().getValue();
 132                 }
 133                 DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID).withProperties(properties)
 134                         .withBridge(bridgeUID).withLabel(deviceName).build();
 135
 136                 thingDiscovered(discoveryResult);
 137             } else {
 138                 if (device instanceof Device) {
 139                     logger.debug("Discovered unsupported device hardware type '{}' with uid {}",
 140                             ((Device) device).getHWinfo(), device.getDSUID());
 141                 }
 142             }
 143         } else {
 144             if (device instanceof Device) {
 145                 logger.debug(
 146                         "Discovered device with disabled or no output mode. Device was not added to inbox. "
 147                                 + "Device information: hardware info: {}, dSUID: {}, device-name: {}, output value: {}",
 148                         ((Device) device).getHWinfo(), device.getDSUID(), device.getName(),
 149                         ((Device) device).getOutputMode());
 150             }
 151         }
 152     }
 153
 154     private ThingUID getThingUID(GeneralDeviceInformation device) {
 155         ThingUID bridgeUID = bridgeHandler.getThing().getUID();
 156         ThingTypeUID thingTypeUID = null;
 157         if (device instanceof Device) {
 158             Device tempDevice = (Device) device;
 159             thingTypeUID = new ThingTypeUID(BINDING_ID, tempDevice.getHWinfo().substring(0, 2));
 160             if (tempDevice.isSensorDevice() && deviceType.equals(tempDevice.getHWinfo().replaceAll("-", ""))) {
 161                 thingTypeUID = new ThingTypeUID(BINDING_ID, deviceType);
 162             }
 163         } else {
 164             thingTypeUID = new ThingTypeUID(BINDING_ID,
 165                     DsDeviceThingTypeProvider.SupportedThingTypes.circuit.toString());
 166         }
 167         if (getSupportedThingTypes().contains(thingTypeUID)) {
 168             String thingDeviceId = device.getDSID().toString();
 169             ThingUID thingUID = new ThingUID(thingTypeUID, bridgeUID, thingDeviceId);
 170             return thingUID;
 171         } else {
 172             return null;
 173         }
 174     }
 175
 176     /**
 177      * Removes the {@link Thing} of the given {@link Device}.
 178      *
 179      * @param device (must not be null)
 180      */
 181     public void onDeviceRemoved(GeneralDeviceInformation device) {
 182         ThingUID thingUID = getThingUID(device);
 183
 184         if (thingUID != null) {
 185             thingRemoved(thingUID);
 186         }
 187     }
 188
 189     /**
 190      * Creates a {@link DiscoveryResult} for the given {@link Device}, if the {@link Device} is supported and the
 191      * {@link Device#getOutputMode()} is unequal {@link OutputModeEnum#DISABLED}.
 192      *
 193      * @param device (must not be null)
 194      */
 195     public void onDeviceAdded(GeneralDeviceInformation device) {
 196         if (super.isBackgroundDiscoveryEnabled()) {
 197             onDeviceAddedInternal(device);
 198         }
 199     }
 200
 201     /**
 202      * Returns the ID of this {@link DeviceDiscoveryService}.
 203      *
 204      * @return id of the service
 205      */
 206     public String getID() {
 207         return deviceType;
 208     }
 209 }