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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 java.util.List;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.draytonwiser.internal.DraytonWiserBindingConstants.SignalStrength;
  22 import org.openhab.binding.draytonwiser.internal.api.DraytonWiserApiException;
  23 import org.openhab.binding.draytonwiser.internal.handler.ControllerHandler.ControllerData;
  24 import org.openhab.binding.draytonwiser.internal.model.DeviceDTO;
  25 import org.openhab.binding.draytonwiser.internal.model.DraytonWiserDTO;
  26 import org.openhab.binding.draytonwiser.internal.model.HeatingChannelDTO;
  27 import org.openhab.binding.draytonwiser.internal.model.HotWaterDTO;
  28 import org.openhab.binding.draytonwiser.internal.model.StationDTO;
  29 import org.openhab.binding.draytonwiser.internal.model.SystemDTO;
  30 import org.openhab.core.library.types.DecimalType;
  31 import org.openhab.core.library.types.OnOffType;
  32 import org.openhab.core.library.types.QuantityType;
  33 import org.openhab.core.library.types.StringType;
  34 import org.openhab.core.library.unit.Units;
  35 import org.openhab.core.thing.Thing;
  36 import org.openhab.core.types.Command;
  37 import org.openhab.core.types.State;
  38 import org.openhab.core.types.UnDefType;
  39
  40 /**
  41  * The {@link ControllerHandler} is responsible for handling commands, which are
  42  * sent to one of the channels.
  43  *
  44  * @author Andrew Schofield - Initial contribution
  45  * @author Hilbrand Bouwkamp - Simplified handler to handle null data
  46  */
  47 @NonNullByDefault
  48 public class ControllerHandler extends DraytonWiserThingHandler<ControllerData> {
  49
  50     public ControllerHandler(final Thing thing) {
  51         super(thing);
  52     }
  53
  54     @Override
  55     protected void handleCommand(final String channelId, final Command command) throws DraytonWiserApiException {
  56         if (command instanceof OnOffType) {
  57             final boolean onOffState = OnOffType.ON.equals(command);
  58
  59             if (CHANNEL_AWAY_MODE_STATE.equals(channelId)) {
  60                 setAwayMode(onOffState);
  61             } else if (CHANNEL_ECO_MODE_STATE.equals(channelId)) {
  62                 setEcoMode(onOffState);
  63             }
  64         }
  65     }
  66
  67     @Override
  68     protected void refresh() {
  69         updateState(CHANNEL_HEATING_OVERRIDE, this::getHeatingOverride);
  70         updateState(CHANNEL_CURRENT_SIGNAL_RSSI, this::getRSSI);
  71         updateState(CHANNEL_CURRENT_WISER_SIGNAL_STRENGTH, this::getWiserSignalStrength);
  72         updateState(CHANNEL_CURRENT_SIGNAL_STRENGTH, this::getSignalStrength);
  73         updateState(CHANNEL_HEATCHANNEL_1_DEMAND, this::getHeatChannel1Demand);
  74         updateState(CHANNEL_HEATCHANNEL_2_DEMAND, this::getHeatChannel2Demand);
  75         updateState(CHANNEL_HEATCHANNEL_1_DEMAND_STATE, this::getHeatChannel1DemandState);
  76         updateState(CHANNEL_HEATCHANNEL_2_DEMAND_STATE, this::getHeatChannel2DemandState);
  77         updateState(CHANNEL_AWAY_MODE_STATE, this::getAwayModeState);
  78         updateState(CHANNEL_ECO_MODE_STATE, this::getEcoModeState);
  79     }
  80
  81     @Override
  82     protected @Nullable ControllerData collectData(final DraytonWiserDTO domainDTOProxy)
  83             throws DraytonWiserApiException {
  84         final StationDTO station = getApi().getStation();
  85         final DeviceDTO device = domainDTOProxy.getExtendedDeviceProperties(0);
  86         final SystemDTO system = domainDTOProxy.getSystem();
  87         final List<HeatingChannelDTO> heatingChannels = domainDTOProxy.getHeatingChannels();
  88         final List<HotWaterDTO> hotWaterChannels = domainDTOProxy.getHotWater();
  89
  90         return station != null && device != null && system != null
  91                 ? new ControllerData(device, system, station, heatingChannels, hotWaterChannels)
  92                 : null;
  93     }
  94
  95     private State getHeatingOverride() {
  96         return OnOffType.from("ON".equalsIgnoreCase(getData().system.getHeatingButtonOverrideState()));
  97     }
  98
  99     private State getRSSI() {
 100         return new DecimalType(getData().station.getRSSI().getCurrent());
 101     }
 102
 103     private State getWiserSignalStrength() {
 104         return new StringType(getData().device.getDisplayedSignalStrength());
 105     }
 106
 107     private State getSignalStrength() {
 108         return SignalStrength.toSignalStrength(getData().device.getDisplayedSignalStrength());
 109     }
 110
 111     private State getHeatChannel1Demand() {
 112         return getData().heatingChannels.size() >= 1
 113                 ? new QuantityType<>(getData().heatingChannels.get(0).getPercentageDemand(), Units.PERCENT)
 114                 : UnDefType.UNDEF;
 115     }
 116
 117     private State getHeatChannel2Demand() {
 118         return getData().heatingChannels.size() >= 2
 119                 ? new QuantityType<>(getData().heatingChannels.get(1).getPercentageDemand(), Units.PERCENT)
 120                 : UnDefType.UNDEF;
 121     }
 122
 123     private State getHeatChannel1DemandState() {
 124         return OnOffType.from(getData().heatingChannels.size() >= 1
 125                 && "ON".equalsIgnoreCase(getData().heatingChannels.get(0).getHeatingRelayState()));
 126     }
 127
 128     private State getHeatChannel2DemandState() {
 129         return OnOffType.from(getData().heatingChannels.size() >= 2
 130                 && "ON".equalsIgnoreCase(getData().heatingChannels.get(1).getHeatingRelayState()));
 131     }
 132
 133     private State getAwayModeState() {
 134         return OnOffType.from(getData().system.getOverrideType() != null
 135                 && "AWAY".equalsIgnoreCase(getData().system.getOverrideType()));
 136     }
 137
 138     private State getEcoModeState() {
 139         return OnOffType.from(getData().system.getEcoModeEnabled() != null && getData().system.getEcoModeEnabled());
 140     }
 141
 142     private void setAwayMode(final Boolean awayMode) throws DraytonWiserApiException {
 143         getApi().setAwayMode(awayMode);
 144     }
 145
 146     private void setEcoMode(final Boolean ecoMode) throws DraytonWiserApiException {
 147         getApi().setEcoMode(ecoMode);
 148     }
 149
 150     static class ControllerData {
 151         public final DeviceDTO device;
 152         public final SystemDTO system;
 153         public final StationDTO station;
 154         public final List<HeatingChannelDTO> heatingChannels;
 155         public final List<HotWaterDTO> hotWaterChannels;
 156
 157         public ControllerData(final DeviceDTO device, final SystemDTO system, final StationDTO station,
 158                 final List<HeatingChannelDTO> heatingChannels, final List<HotWaterDTO> hotWaterChannels) {
 159             this.device = device;
 160             this.system = system;
 161             this.station = station;
 162             this.heatingChannels = heatingChannels;
 163             this.hotWaterChannels = hotWaterChannels;
 164         }
 165     }
 166 }