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