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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.draytonwiser.internal.handler;
  14
  15 import static org.openhab.binding.draytonwiser.internal.DraytonWiserBindingConstants.*;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.eclipse.jdt.annotation.Nullable;
  19 import org.openhab.binding.draytonwiser.internal.DraytonWiserBindingConstants.BatteryLevel;
  20 import org.openhab.binding.draytonwiser.internal.DraytonWiserBindingConstants.SignalStrength;
  21 import org.openhab.binding.draytonwiser.internal.api.DraytonWiserApiException;
  22 import org.openhab.binding.draytonwiser.internal.handler.TRVHandler.SmartValveData;
  23 import org.openhab.binding.draytonwiser.internal.model.DeviceDTO;
  24 import org.openhab.binding.draytonwiser.internal.model.DraytonWiserDTO;
  25 import org.openhab.binding.draytonwiser.internal.model.SmartValveDTO;
  26 import org.openhab.core.library.types.DecimalType;
  27 import org.openhab.core.library.types.OnOffType;
  28 import org.openhab.core.library.types.QuantityType;
  29 import org.openhab.core.library.types.StringType;
  30 import org.openhab.core.library.unit.SIUnits;
  31 import org.openhab.core.library.unit.Units;
  32 import org.openhab.core.thing.Thing;
  33 import org.openhab.core.types.Command;
  34 import org.openhab.core.types.State;
  35 import org.openhab.core.types.UnDefType;
  36
  37 /**
  38  * The {@link TRVHandler} is responsible for handling commands, which are
  39  * sent to one of the channels.
  40  *
  41  * @author Andrew Schofield - Initial contribution
  42  * @author Hilbrand Bouwkamp - Simplified handler to handle null data
  43  */
  44 @NonNullByDefault
  45 public class TRVHandler extends DraytonWiserThingHandler<SmartValveData> {
  46
  47     private String serialNumber = "";
  48
  49     public TRVHandler(final Thing thing) {
  50         super(thing);
  51     }
  52
  53     @Override
  54     public void initialize() {
  55         super.initialize();
  56         serialNumber = getConfig().get("serialNumber").toString();
  57     }
  58
  59     @Override
  60     protected void handleCommand(final String channelId, final Command command) throws DraytonWiserApiException {
  61         if (command instanceof OnOffType && CHANNEL_DEVICE_LOCKED.equals(channelId)) {
  62             setDeviceLocked(OnOffType.ON.equals(command));
  63         }
  64     }
  65
  66     @Override
  67     protected void refresh() {
  68         updateState(CHANNEL_CURRENT_TEMPERATURE, this::getTemperature);
  69         updateState(CHANNEL_CURRENT_DEMAND, this::getDemand);
  70         updateState(CHANNEL_CURRENT_SETPOINT, this::getSetPoint);
  71         updateState(CHANNEL_CURRENT_SIGNAL_RSSI, this::getSignalRSSI);
  72         updateState(CHANNEL_CURRENT_SIGNAL_LQI, this::getSignalLQI);
  73         updateState(CHANNEL_CURRENT_BATTERY_VOLTAGE, this::getBatteryVoltage);
  74         updateState(CHANNEL_CURRENT_WISER_SIGNAL_STRENGTH, this::getWiserSignalStrength);
  75         updateState(CHANNEL_CURRENT_SIGNAL_STRENGTH, this::getSignalStrength);
  76         updateState(CHANNEL_CURRENT_WISER_BATTERY_LEVEL, this::getWiserBatteryLevel);
  77         updateState(CHANNEL_CURRENT_BATTERY_LEVEL, this::getBatteryLevel);
  78         updateState(CHANNEL_ZIGBEE_CONNECTED, this::getZigbeeConnected);
  79         updateState(CHANNEL_DEVICE_LOCKED, this::getDeviceLocked);
  80     }
  81
  82     @Override
  83     protected @Nullable SmartValveData collectData(final DraytonWiserDTO domainDTOProxy) {
  84         final SmartValveDTO smartValve = domainDTOProxy.getSmartValve(serialNumber);
  85         final DeviceDTO device = smartValve == null ? null
  86                 : domainDTOProxy.getExtendedDeviceProperties(smartValve.getId());
  87
  88         return smartValve == null || device == null ? null : new SmartValveData(smartValve, device);
  89     }
  90
  91     private State getSetPoint() {
  92         return new QuantityType<>(getData().smartValve.getSetPoint() / 10.0, SIUnits.CELSIUS);
  93     }
  94
  95     private State getDemand() {
  96         return new QuantityType<>(getData().smartValve.getPercentageDemand(), Units.PERCENT);
  97     }
  98
  99     private State getTemperature() {
 100         final int fullScaleTemp = getData().smartValve.getMeasuredTemperature();
 101
 102         return OFFLINE_TEMPERATURE == fullScaleTemp ? UnDefType.UNDEF
 103                 : new QuantityType<>(fullScaleTemp / 10.0, SIUnits.CELSIUS);
 104     }
 105
 106     private State getSignalRSSI() {
 107         return new DecimalType(getData().device.getRssi());
 108     }
 109
 110     private State getSignalLQI() {
 111         return new DecimalType(getData().device.getLqi());
 112     }
 113
 114     private State getWiserSignalStrength() {
 115         return new StringType(getData().device.getDisplayedSignalStrength());
 116     }
 117
 118     private State getSignalStrength() {
 119         return SignalStrength.toSignalStrength(getData().device.getDisplayedSignalStrength());
 120     }
 121
 122     private State getBatteryVoltage() {
 123         return new QuantityType<>(getData().device.getBatteryVoltage() / 10.0, Units.VOLT);
 124     }
 125
 126     private State getWiserBatteryLevel() {
 127         return new StringType(getData().device.getBatteryLevel());
 128     }
 129
 130     private State getBatteryLevel() {
 131         return BatteryLevel.toBatteryLevel(getData().device.getBatteryLevel());
 132     }
 133
 134     private State getZigbeeConnected() {
 135         return OnOffType.from(getData().smartValve.getMeasuredTemperature() != OFFLINE_TEMPERATURE);
 136     }
 137
 138     private State getDeviceLocked() {
 139         final Boolean locked = getData().device.getDeviceLockEnabled();
 140
 141         return locked == null ? UnDefType.UNDEF : OnOffType.from(locked);
 142     }
 143
 144     private void setDeviceLocked(final Boolean state) throws DraytonWiserApiException {
 145         getApi().setDeviceLocked(getData().device.getId(), state);
 146     }
 147
 148     static class SmartValveData {
 149         public final SmartValveDTO smartValve;
 150         public final DeviceDTO device;
 151
 152         public SmartValveData(final SmartValveDTO smartValve, final DeviceDTO device) {
 153             this.smartValve = smartValve;
 154             this.device = device;
 155         }
 156     }
 157 }