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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.enphase.internal.handler;
  14
  15 import static org.openhab.binding.enphase.internal.EnphaseBindingConstants.*;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.eclipse.jdt.annotation.Nullable;
  19 import org.openhab.binding.enphase.internal.MessageTranslator;
  20 import org.openhab.binding.enphase.internal.dto.InventoryJsonDTO.DeviceDTO;
  21 import org.openhab.core.library.types.OpenClosedType;
  22 import org.openhab.core.thing.ChannelUID;
  23 import org.openhab.core.thing.Thing;
  24 import org.openhab.core.types.Command;
  25 import org.openhab.core.types.RefreshType;
  26 import org.openhab.core.types.UnDefType;
  27
  28 /**
  29  * The {@link EnphaseInverterHandler} is responsible for handling commands, which are
  30  * sent to one of the channels.
  31  *
  32  * @author Hilbrand Bouwkamp - Initial contribution
  33  */
  34 @NonNullByDefault
  35 public class EnphaseRelayHandler extends EnphaseDeviceHandler {
  36
  37     public EnphaseRelayHandler(final Thing thing, MessageTranslator messageTranslator) {
  38         super(thing, messageTranslator);
  39     }
  40
  41     @Override
  42     public void handleCommand(final ChannelUID channelUID, final Command command) {
  43         if (command instanceof RefreshType) {
  44             final String channelId = channelUID.getId();
  45
  46             switch (channelId) {
  47                 case RELAY_CHANNEL_RELAY:
  48                     refreshRelayChannel(lastKnownDeviceState);
  49                     break;
  50                 case RELAY_CHANNEL_LINE_1_CONNECTED:
  51                     refreshLine1Connect(lastKnownDeviceState);
  52                     break;
  53                 case RELAY_CHANNEL_LINE_2_CONNECTED:
  54                     refreshLine2Connect(lastKnownDeviceState);
  55                     break;
  56                 case RELAY_CHANNEL_LINE_3_CONNECTED:
  57                     refreshLine3Connect(lastKnownDeviceState);
  58                     break;
  59                 default:
  60                     super.handleCommandRefresh(channelId);
  61                     break;
  62             }
  63         }
  64     }
  65
  66     private void refreshRelayChannel(@Nullable final DeviceDTO deviceDTO) {
  67         updateState(RELAY_CHANNEL_RELAY, deviceDTO == null ? UnDefType.UNDEF
  68                 : (RELAY_STATUS_CLOSED.equals(deviceDTO.relay) ? OpenClosedType.CLOSED : OpenClosedType.OPEN));
  69     }
  70
  71     private void refreshLine1Connect(@Nullable final DeviceDTO deviceDTO) {
  72         updateState(RELAY_CHANNEL_LINE_1_CONNECTED, deviceDTO == null ? UnDefType.UNDEF
  73                 : (deviceDTO.line1Connected ? OpenClosedType.CLOSED : OpenClosedType.OPEN));
  74     }
  75
  76     private void refreshLine2Connect(@Nullable final DeviceDTO deviceDTO) {
  77         updateState(RELAY_CHANNEL_LINE_2_CONNECTED, deviceDTO == null ? UnDefType.UNDEF
  78                 : (deviceDTO.line2Connected ? OpenClosedType.CLOSED : OpenClosedType.OPEN));
  79     }
  80
  81     private void refreshLine3Connect(@Nullable final DeviceDTO deviceDTO) {
  82         updateState(RELAY_CHANNEL_LINE_3_CONNECTED, deviceDTO == null ? UnDefType.UNDEF
  83                 : (deviceDTO.line3Connected ? OpenClosedType.CLOSED : OpenClosedType.OPEN));
  84     }
  85
  86     @Override
  87     public void refreshDeviceState(@Nullable final DeviceDTO deviceDTO) {
  88         refreshRelayChannel(deviceDTO);
  89         refreshLine1Connect(deviceDTO);
  90         refreshLine2Connect(deviceDTO);
  91         refreshLine3Connect(deviceDTO);
  92         super.refreshDeviceState(deviceDTO);
  93     }
  94 }