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   1 /**
   2  * Copyright (c) 2010-2020 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.amazonechocontrol.internal.discovery;
  14
  15 import static org.openhab.binding.amazonechocontrol.internal.AmazonEchoControlBindingConstants.DEVICE_PROPERTY_ID;
  16 import static org.openhab.binding.amazonechocontrol.internal.AmazonEchoControlBindingConstants.SUPPORTED_SMART_HOME_THING_TYPES_UIDS;
  17 import static org.openhab.binding.amazonechocontrol.internal.AmazonEchoControlBindingConstants.THING_TYPE_SMART_HOME_DEVICE;
  18 import static org.openhab.binding.amazonechocontrol.internal.AmazonEchoControlBindingConstants.THING_TYPE_SMART_HOME_DEVICE_GROUP;
  19
  20 import java.util.Date;
  21 import java.util.HashMap;
  22 import java.util.Hashtable;
  23 import java.util.List;
  24 import java.util.Map;
  25 import java.util.Set;
  26 import java.util.concurrent.ScheduledFuture;
  27 import java.util.concurrent.TimeUnit;
  28 import java.util.stream.Stream;
  29
  30 import org.eclipse.jdt.annotation.NonNullByDefault;
  31 import org.eclipse.jdt.annotation.Nullable;
  32 import org.openhab.binding.amazonechocontrol.internal.Connection;
  33 import org.openhab.binding.amazonechocontrol.internal.handler.AccountHandler;
  34 import org.openhab.binding.amazonechocontrol.internal.handler.SmartHomeDeviceHandler;
  35 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonSmartHomeCapabilities;
  36 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonSmartHomeDevices.DriverIdentity;
  37 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonSmartHomeDevices.SmartHomeDevice;
  38 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonSmartHomeGroups.SmartHomeGroup;
  39 import org.openhab.binding.amazonechocontrol.internal.jsons.SmartHomeBaseDevice;
  40 import org.openhab.binding.amazonechocontrol.internal.smarthome.Constants;
  41 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  42 import org.openhab.core.config.discovery.DiscoveryResult;
  43 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  44 import org.openhab.core.thing.ThingUID;
  45 import org.osgi.service.component.annotations.Activate;
  46 import org.slf4j.Logger;
  47 import org.slf4j.LoggerFactory;
  48
  49 /**
  50  * @author Lukas Knoeller - Initial contribution
  51  */
  52 @NonNullByDefault
  53 public class SmartHomeDevicesDiscovery extends AbstractDiscoveryService {
  54     private AccountHandler accountHandler;
  55     private final Logger logger = LoggerFactory.getLogger(SmartHomeDevicesDiscovery.class);
  56
  57     private @Nullable ScheduledFuture<?> startScanStateJob;
  58     private @Nullable Long activateTimeStamp;
  59
  60     public SmartHomeDevicesDiscovery(AccountHandler accountHandler) {
  61         super(SUPPORTED_SMART_HOME_THING_TYPES_UIDS, 10);
  62         this.accountHandler = accountHandler;
  63     }
  64
  65     public void activate() {
  66         activate(new Hashtable<String, @Nullable Object>());
  67     }
  68
  69     @Override
  70     public void deactivate() {
  71         super.deactivate();
  72     }
  73
  74     @Override
  75     protected void startScan() {
  76         stopScanJob();
  77         Long activateTimeStamp = this.activateTimeStamp;
  78         if (activateTimeStamp != null) {
  79             removeOlderResults(activateTimeStamp);
  80         }
  81         setSmartHomeDevices(accountHandler.updateSmartHomeDeviceList(false));
  82     }
  83
  84     protected void startAutomaticScan() {
  85         if (!this.accountHandler.getThing().getThings().isEmpty()) {
  86             stopScanJob();
  87             return;
  88         }
  89         Connection connection = this.accountHandler.findConnection();
  90         if (connection == null) {
  91             return;
  92         }
  93         Date verifyTime = connection.tryGetVerifyTime();
  94         if (verifyTime == null) {
  95             return;
  96         }
  97         if (new Date().getTime() - verifyTime.getTime() < 10000) {
  98             return;
  99         }
 100         startScan();
 101     }
 102
 103     @Override
 104     protected void startBackgroundDiscovery() {
 105         stopScanJob();
 106         startScanStateJob = scheduler.scheduleWithFixedDelay(this::startAutomaticScan, 3000, 1000,
 107                 TimeUnit.MILLISECONDS);
 108     }
 109
 110     @Override
 111     protected void stopBackgroundDiscovery() {
 112         stopScanJob();
 113     }
 114
 115     void stopScanJob() {
 116         ScheduledFuture<?> currentStartScanStateJob = startScanStateJob;
 117         if (currentStartScanStateJob != null) {
 118             currentStartScanStateJob.cancel(false);
 119             startScanStateJob = null;
 120         }
 121         super.stopScan();
 122     }
 123
 124     @Override
 125     @Activate
 126     public void activate(@Nullable Map<String, @Nullable Object> config) {
 127         super.activate(config);
 128         if (config != null) {
 129             modified(config);
 130         }
 131         Long activateTimeStamp = this.activateTimeStamp;
 132         if (activateTimeStamp == null) {
 133             this.activateTimeStamp = new Date().getTime();
 134         }
 135     };
 136
 137     synchronized void setSmartHomeDevices(List<SmartHomeBaseDevice> deviceList) {
 138         int smartHomeDeviceDiscoveryMode = accountHandler.getSmartHomeDevicesDiscoveryMode();
 139         if (smartHomeDeviceDiscoveryMode == 0) {
 140             return;
 141         }
 142
 143         for (Object smartHomeDevice : deviceList) {
 144             ThingUID bridgeThingUID = this.accountHandler.getThing().getUID();
 145             ThingUID thingUID = null;
 146             String deviceName = null;
 147             Map<String, Object> props = new HashMap<>();
 148
 149             if (smartHomeDevice instanceof SmartHomeDevice) {
 150                 SmartHomeDevice shd = (SmartHomeDevice) smartHomeDevice;
 151
 152                 String entityId = shd.entityId;
 153                 if (entityId == null) {
 154                     // No entity id
 155                     continue;
 156                 }
 157                 String id = shd.findId();
 158                 if (id == null) {
 159                     // No id
 160                     continue;
 161                 }
 162                 boolean isSkillDevice = false;
 163                 DriverIdentity driverIdentity = shd.driverIdentity;
 164                 isSkillDevice = driverIdentity != null && "SKILL".equals(driverIdentity.namespace);
 165
 166                 if (smartHomeDeviceDiscoveryMode == 1 && isSkillDevice) {
 167                     // Connected through skill
 168                     continue;
 169                 }
 170                 if (!(smartHomeDeviceDiscoveryMode == 2) && "openHAB".equalsIgnoreCase(shd.manufacturerName)) {
 171                     // OpenHAB device
 172                     continue;
 173                 }
 174
 175                 JsonSmartHomeCapabilities.SmartHomeCapability[] capabilities = shd.capabilities;
 176                 if (capabilities == null || Stream.of(capabilities).noneMatch(capability -> capability != null
 177                         && Constants.SUPPORTED_INTERFACES.contains(capability.interfaceName))) {
 178                     // No supported interface found
 179                     continue;
 180                 }
 181
 182                 thingUID = new ThingUID(THING_TYPE_SMART_HOME_DEVICE, bridgeThingUID, entityId.replace(".", "-"));
 183
 184                 if ("Amazon".equals(shd.manufacturerName) && driverIdentity != null
 185                         && "SonarCloudService".equals(driverIdentity.identifier)) {
 186                     deviceName = "Alexa Guard on " + shd.friendlyName;
 187                 } else if ("Amazon".equals(shd.manufacturerName) && driverIdentity != null
 188                         && "OnGuardSmartHomeBridgeService".equals(driverIdentity.identifier)) {
 189                     deviceName = "Alexa Guard";
 190                 } else if (shd.aliases != null && shd.aliases.length > 0 && shd.aliases[0] != null
 191                         && shd.aliases[0].friendlyName != null) {
 192                     deviceName = shd.aliases[0].friendlyName;
 193                 } else {
 194                     deviceName = shd.friendlyName;
 195                 }
 196                 props.put(DEVICE_PROPERTY_ID, id);
 197             }
 198
 199             if (smartHomeDevice instanceof SmartHomeGroup) {
 200                 SmartHomeGroup shg = (SmartHomeGroup) smartHomeDevice;
 201                 String id = shg.findId();
 202                 if (id == null) {
 203                     // No id
 204                     continue;
 205                 }
 206                 Set<SmartHomeDevice> supportedChildren = SmartHomeDeviceHandler.getSupportedSmartHomeDevices(shg,
 207                         deviceList);
 208                 if (supportedChildren.size() == 0) {
 209                     // No children with an supported interface
 210                     continue;
 211                 }
 212                 thingUID = new ThingUID(THING_TYPE_SMART_HOME_DEVICE_GROUP, bridgeThingUID, id.replace(".", "-"));
 213                 deviceName = shg.applianceGroupName;
 214                 props.put(DEVICE_PROPERTY_ID, id);
 215             }
 216
 217             if (thingUID != null) {
 218                 DiscoveryResult result = DiscoveryResultBuilder.create(thingUID).withLabel(deviceName)
 219                         .withProperties(props).withBridge(bridgeThingUID).build();
 220
 221                 logger.debug("Device [{}] found.", deviceName);
 222
 223                 thingDiscovered(result);
 224             }
 225         }
 226     }
 227 }