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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.evohome.internal.handler;
  14
  15 import javax.measure.quantity.Temperature;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.eclipse.jdt.annotation.Nullable;
  19 import org.openhab.binding.evohome.internal.EvohomeBindingConstants;
  20 import org.openhab.binding.evohome.internal.api.models.v2.dto.response.ZoneStatus;
  21 import org.openhab.core.library.types.QuantityType;
  22 import org.openhab.core.library.types.StringType;
  23 import org.openhab.core.library.unit.SIUnits;
  24 import org.openhab.core.thing.ChannelUID;
  25 import org.openhab.core.thing.Thing;
  26 import org.openhab.core.thing.ThingStatus;
  27 import org.openhab.core.thing.ThingStatusDetail;
  28 import org.openhab.core.types.Command;
  29 import org.openhab.core.types.RefreshType;
  30
  31 /**
  32  * The {@link EvohomeHeatingZoneHandler} is responsible for handling commands, which are
  33  * sent to one of the channels.
  34  *
  35  * @author Jasper van Zuijlen - Initial contribution
  36  * @author Neil Renaud - Working implementation
  37  * @author Jasper van Zuijlen - Refactor + Permanent Zone temperature setting
  38  * @author Leo Siepel - Add UoM
  39  */
  40 @NonNullByDefault
  41 public class EvohomeHeatingZoneHandler extends BaseEvohomeHandler {
  42
  43     private static final int CANCEL_SET_POINT_OVERRIDE = 0;
  44     private @Nullable ThingStatus tcsStatus;
  45     private @Nullable ZoneStatus zoneStatus;
  46
  47     public EvohomeHeatingZoneHandler(Thing thing) {
  48         super(thing);
  49     }
  50
  51     @Override
  52     public void initialize() {
  53         super.initialize();
  54     }
  55
  56     public void update(@Nullable ThingStatus tcsStatus, @Nullable ZoneStatus zoneStatus) {
  57         this.tcsStatus = tcsStatus;
  58         this.zoneStatus = zoneStatus;
  59
  60         // Make the zone offline when the related display is offline
  61         // If the related display is not a thing, ignore this
  62         if (tcsStatus != null && tcsStatus.equals(ThingStatus.OFFLINE)) {
  63             updateEvohomeThingStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
  64                     "Display Controller offline");
  65         } else if (zoneStatus == null) {
  66             updateEvohomeThingStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
  67                     "Status not found, check the zone id");
  68         } else if (!handleActiveFaults(zoneStatus)) {
  69             updateEvohomeThingStatus(ThingStatus.ONLINE);
  70
  71             updateState(EvohomeBindingConstants.ZONE_TEMPERATURE_CHANNEL,
  72                     new QuantityType<Temperature>(zoneStatus.getTemperature().getTemperature(), SIUnits.CELSIUS));
  73             updateState(EvohomeBindingConstants.ZONE_SET_POINT_STATUS_CHANNEL,
  74                     new StringType(zoneStatus.getHeatSetpoint().getSetpointMode()));
  75             updateState(EvohomeBindingConstants.ZONE_SET_POINT_CHANNEL, new QuantityType<Temperature>(
  76                     zoneStatus.getHeatSetpoint().getTargetTemperature(), SIUnits.CELSIUS));
  77         }
  78     }
  79
  80     @Override
  81     public void handleCommand(ChannelUID channelUID, Command command) {
  82         if (command == RefreshType.REFRESH) {
  83             update(tcsStatus, zoneStatus);
  84         } else {
  85             EvohomeAccountBridgeHandler bridge = getEvohomeBridge();
  86             if (bridge != null) {
  87                 String channelId = channelUID.getId();
  88                 if (EvohomeBindingConstants.ZONE_SET_POINT_CHANNEL.equals(channelId)) {
  89                     if (command instanceof QuantityType) {
  90                         QuantityType<?> state = ((QuantityType<?>) command).toUnit(SIUnits.CELSIUS);
  91                         double newTempInCelsius = state.doubleValue();
  92
  93                         if (newTempInCelsius == CANCEL_SET_POINT_OVERRIDE) {
  94                             bridge.cancelSetPointOverride(getEvohomeThingConfig().id);
  95                         } else if (newTempInCelsius < 5) {
  96                             newTempInCelsius = 5;
  97                         }
  98                         if (newTempInCelsius >= 5 && newTempInCelsius <= 35) {
  99                             bridge.setPermanentSetPoint(getEvohomeThingConfig().id, newTempInCelsius);
 100                         }
 101                     }
 102                 }
 103             }
 104         }
 105     }
 106
 107     private boolean handleActiveFaults(ZoneStatus zoneStatus) {
 108         if (zoneStatus.hasActiveFaults()) {
 109             updateEvohomeThingStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 110                     zoneStatus.getActiveFault(0).getFaultType());
 111             return true;
 112         }
 113         return false;
 114     }
 115 }