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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.omnilink.internal.handler;
  14
  15 import static org.openhab.binding.omnilink.internal.OmnilinkBindingConstants.*;
  16
  17 import java.util.List;
  18 import java.util.Map;
  19 import java.util.Optional;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.eclipse.jdt.annotation.Nullable;
  23 import org.openhab.binding.omnilink.internal.discovery.ObjectPropertyRequest;
  24 import org.openhab.binding.omnilink.internal.discovery.ObjectPropertyRequests;
  25 import org.openhab.binding.omnilink.internal.exceptions.BridgeOfflineException;
  26 import org.openhab.core.library.types.DecimalType;
  27 import org.openhab.core.library.types.OnOffType;
  28 import org.openhab.core.library.types.PercentType;
  29 import org.openhab.core.thing.ChannelUID;
  30 import org.openhab.core.thing.Thing;
  31 import org.openhab.core.thing.ThingStatus;
  32 import org.openhab.core.thing.ThingStatusDetail;
  33 import org.openhab.core.types.Command;
  34 import org.openhab.core.types.RefreshType;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 import com.digitaldan.jomnilinkII.Message;
  39 import com.digitaldan.jomnilinkII.MessageTypes.CommandMessage;
  40 import com.digitaldan.jomnilinkII.MessageTypes.ObjectStatus;
  41 import com.digitaldan.jomnilinkII.MessageTypes.properties.AreaProperties;
  42 import com.digitaldan.jomnilinkII.MessageTypes.properties.UnitProperties;
  43 import com.digitaldan.jomnilinkII.MessageTypes.statuses.ExtendedUnitStatus;
  44 import com.digitaldan.jomnilinkII.MessageTypes.systemevents.SwitchPressEvent;
  45 import com.digitaldan.jomnilinkII.OmniInvalidResponseException;
  46 import com.digitaldan.jomnilinkII.OmniUnknownMessageTypeException;
  47
  48 /**
  49  * The {@link AbstractOmnilinkHandler} defines some methods that can be used across
  50  * the many different Units exposed by the OmniLink protocol
  51  *
  52  * @author Craig Hamilton - Initial contribution
  53  * @author Ethan Dye - openHAB3 rewrite
  54  */
  55 @NonNullByDefault
  56 public class UnitHandler extends AbstractOmnilinkStatusHandler<ExtendedUnitStatus> {
  57     private final Logger logger = LoggerFactory.getLogger(UnitHandler.class);
  58     private final int thingID = getThingNumber();
  59     public @Nullable String number;
  60
  61     public UnitHandler(Thing thing) {
  62         super(thing);
  63     }
  64
  65     @Override
  66     public void initialize() {
  67         super.initialize();
  68         final OmnilinkBridgeHandler bridgeHandler = getOmnilinkBridgeHandler();
  69         if (bridgeHandler != null) {
  70             updateUnitProperties(bridgeHandler);
  71         } else {
  72             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.OFFLINE.COMMUNICATION_ERROR,
  73                     "Received null bridge while initializing Unit!");
  74         }
  75     }
  76
  77     private void updateUnitProperties(OmnilinkBridgeHandler bridgeHandler) {
  78         final List<AreaProperties> areas = getAreaProperties();
  79         if (areas != null) {
  80             for (AreaProperties areaProperties : areas) {
  81                 int areaFilter = bitFilterForArea(areaProperties);
  82
  83                 ObjectPropertyRequest<UnitProperties> objectPropertyRequest = ObjectPropertyRequest
  84                         .builder(bridgeHandler, ObjectPropertyRequests.UNIT, thingID, 0).selectNamed()
  85                         .areaFilter(areaFilter).selectAnyLoad().build();
  86
  87                 for (UnitProperties unitProperties : objectPropertyRequest) {
  88                     Map<String, String> properties = editProperties();
  89                     properties.put(THING_PROPERTIES_NAME, unitProperties.getName());
  90                     properties.put(THING_PROPERTIES_AREA, Integer.toString(areaProperties.getNumber()));
  91                     updateProperties(properties);
  92                 }
  93             }
  94         }
  95     }
  96
  97     @Override
  98     public void handleCommand(ChannelUID channelUID, Command command) {
  99         logger.debug("handleCommand called for channel: {}, command: {}", channelUID, command);
 100
 101         if (command instanceof RefreshType) {
 102             retrieveStatus().ifPresentOrElse(this::updateChannels, () -> updateStatus(ThingStatus.OFFLINE,
 103                     ThingStatusDetail.OFFLINE.COMMUNICATION_ERROR, "Received null status update!"));
 104             return;
 105         }
 106
 107         switch (channelUID.getId()) {
 108             case CHANNEL_UNIT_LEVEL:
 109             case CHANNEL_UNIT_SWITCH:
 110                 if (command instanceof OnOffType) {
 111                     handleOnOff(channelUID, (OnOffType) command);
 112                 } else {
 113                     logger.debug("Invalid command: {}, must be OnOffType", command);
 114                 }
 115                 break;
 116             case CHANNEL_UNIT_ON_FOR_SECONDS:
 117             case CHANNEL_UNIT_OFF_FOR_SECONDS:
 118             case CHANNEL_UNIT_ON_FOR_MINUTES:
 119             case CHANNEL_UNIT_OFF_FOR_MINUTES:
 120             case CHANNEL_UNIT_ON_FOR_HOURS:
 121             case CHANNEL_UNIT_OFF_FOR_HOURS:
 122                 if (command instanceof DecimalType) {
 123                     handleUnitDuration(channelUID, (DecimalType) command);
 124                 } else {
 125                     logger.debug("Invalid command: {}, must be DecimalType", command);
 126                 }
 127                 break;
 128             default:
 129                 logger.warn("Unknown channel for Unit thing: {}", channelUID);
 130         }
 131     }
 132
 133     private void handleUnitDuration(ChannelUID channelUID, DecimalType command) {
 134         logger.debug("handleUnitDuration called for channel: {}, command: {}", channelUID, command);
 135         final String channelID = channelUID.getId();
 136
 137         int duration;
 138         if (channelID.endsWith("seconds")) {
 139             duration = command.intValue();
 140         } else if (channelID.endsWith("minutes")) {
 141             duration = command.intValue() + 100;
 142         } else if (channelID.endsWith("hours")) {
 143             duration = command.intValue() + 200;
 144         } else {
 145             logger.warn("Unknown channel for Unit duration: {}", channelUID);
 146             return;
 147         }
 148
 149         sendOmnilinkCommand(channelID.startsWith("on") ? CommandMessage.CMD_UNIT_ON : CommandMessage.CMD_UNIT_OFF,
 150                 duration, thingID);
 151     }
 152
 153     protected void handleOnOff(ChannelUID channelUID, OnOffType command) {
 154         logger.debug("handleOnOff called for channel: {}, command: {}", channelUID, command);
 155         sendOmnilinkCommand(OnOffType.ON.equals(command) ? CommandMessage.CMD_UNIT_ON : CommandMessage.CMD_UNIT_OFF, 0,
 156                 thingID);
 157     }
 158
 159     @Override
 160     public void updateChannels(ExtendedUnitStatus status) {
 161         logger.debug("updateChannels called for Unit status: {}", status);
 162         int unitStatus = status.getStatus();
 163         int level = 0;
 164
 165         if (unitStatus == Status.UNIT_OFF) {
 166             level = 0;
 167         } else if (unitStatus == Status.UNIT_ON) {
 168             level = 100;
 169         } else if ((unitStatus >= Status.UNIT_SCENE_A) && (unitStatus <= Status.UNIT_SCENE_L)) {
 170             level = 100;
 171         } else if ((unitStatus >= Status.UNIT_LEVEL_0) && (unitStatus <= Status.UNIT_LEVEL_100)) {
 172             level = unitStatus - Status.UNIT_LEVEL_0;
 173         }
 174
 175         updateState(CHANNEL_UNIT_LEVEL, PercentType.valueOf(Integer.toString(level)));
 176         updateState(CHANNEL_UNIT_SWITCH, OnOffType.from(level != 0));
 177     }
 178
 179     @Override
 180     protected Optional<ExtendedUnitStatus> retrieveStatus() {
 181         try {
 182             final OmnilinkBridgeHandler bridgeHandler = getOmnilinkBridgeHandler();
 183             if (bridgeHandler != null) {
 184                 ObjectStatus objectStatus = bridgeHandler.requestObjectStatus(Message.OBJ_TYPE_UNIT, thingID, thingID,
 185                         true);
 186                 return Optional.of((ExtendedUnitStatus) objectStatus.getStatuses()[0]);
 187             } else {
 188                 logger.debug("Received null bridge while updating Unit status!");
 189                 return Optional.empty();
 190             }
 191         } catch (OmniInvalidResponseException | OmniUnknownMessageTypeException | BridgeOfflineException e) {
 192             logger.debug("Received exception while refreshing Unit status: {}", e.getMessage());
 193             return Optional.empty();
 194         }
 195     }
 196
 197     private static class Status {
 198         private static final int UNIT_OFF = 0;
 199         private static final int UNIT_ON = 1;
 200         private static final int UNIT_SCENE_A = 2;
 201         private static final int UNIT_SCENE_L = 13;
 202         private static final int UNIT_LEVEL_0 = 100;
 203         private static final int UNIT_LEVEL_100 = 200;
 204     }
 205
 206     /**
 207      * Handle a switch press event by triggering the appropriate channel.
 208      *
 209      * @param switchPressEvent
 210      */
 211     public void handleSwitchPressEvent(SwitchPressEvent switchPressEvent) {
 212         ChannelUID activateChannel = new ChannelUID(getThing().getUID(), TRIGGER_CHANNEL_SWITCH_PRESS_EVENT);
 213         triggerChannel(activateChannel, Integer.toString(switchPressEvent.getSwitchValue()));
 214     }
 215 }