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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.cbus.handler;
  14
  15 import org.eclipse.jdt.annotation.NonNullByDefault;
  16 import org.openhab.binding.cbus.CBusBindingConstants;
  17 import org.openhab.core.library.types.IncreaseDecreaseType;
  18 import org.openhab.core.library.types.OnOffType;
  19 import org.openhab.core.library.types.PercentType;
  20 import org.openhab.core.thing.Channel;
  21 import org.openhab.core.thing.ChannelUID;
  22 import org.openhab.core.thing.Thing;
  23 import org.openhab.core.thing.ThingStatus;
  24 import org.openhab.core.thing.ThingStatusDetail;
  25 import org.openhab.core.types.Command;
  26 import org.openhab.core.types.RefreshType;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 import com.daveoxley.cbus.CGateException;
  31 import com.daveoxley.cbus.Group;
  32
  33 /**
  34  * The {@link CBusDaliHandler} is responsible for handling commands, which are
  35  * sent to one of the channels.
  36  *
  37  * @author Scott Linton - Initial contribution
  38  */
  39 @NonNullByDefault
  40 public class CBusDaliHandler extends CBusGroupHandler {
  41
  42     private final Logger logger = LoggerFactory.getLogger(CBusDaliHandler.class);
  43
  44     public CBusDaliHandler(Thing thing) {
  45         super(thing, CBusBindingConstants.CBUS_APPLICATION_DALI);
  46     }
  47
  48     @Override
  49     public void handleCommand(ChannelUID channelUID, Command command) {
  50         Group group = this.group;
  51         if (group == null) {
  52             return;
  53         }
  54         if (command instanceof RefreshType) {
  55             try {
  56                 int level = group.getLevel();
  57                 logger.debug("handle RefreshType Command for Chanell {} Group {} level {}", channelUID, groupId, level);
  58                 if (channelUID.getId().equals(CBusBindingConstants.CHANNEL_LEVEL)) {
  59                     updateState(channelUID, new PercentType((int) (level * 100 / 255.0)));
  60                 }
  61             } catch (CGateException e) {
  62                 logger.debug("Failed to getLevel for group {}", groupId, e);
  63                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, "Communication Error");
  64             }
  65         } else {
  66             if (channelUID.getId().equals(CBusBindingConstants.CHANNEL_LEVEL)) {
  67                 logger.debug("Channel Level command for {}: {}", channelUID, command);
  68                 try {
  69                     if (command instanceof OnOffType) {
  70                         if (command == OnOffType.ON) {
  71                             group.on();
  72                         } else if (command == OnOffType.OFF) {
  73                             group.off();
  74                         }
  75                     } else if (command instanceof PercentType) {
  76                         PercentType value = (PercentType) command;
  77                         group.ramp((int) Math.round(value.doubleValue() / 100 * 255), 0);
  78                     } else if (command instanceof IncreaseDecreaseType) {
  79                         int level = group.getLevel();
  80                         if (command == IncreaseDecreaseType.DECREASE) {
  81                             level = Math.max(level - 1, 0);
  82                         } else if (command == IncreaseDecreaseType.INCREASE) {
  83                             level = Math.min(level + 1, 255);
  84                         }
  85                         group.ramp(level, 0);
  86                         logger.debug("Change group level to {}", level);
  87                     }
  88                 } catch (CGateException e) {
  89                     logger.debug("Cannot send command {} to {}", command, group, e);
  90                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, "Communication Error");
  91                 }
  92             }
  93         }
  94     }
  95
  96     public void updateGroup(int updateApplicationId, int updateGroupId, String value) {
  97         if (updateGroupId == groupId && updateApplicationId == applicationId) {
  98             Thing thing = getThing();
  99             Channel channel = thing.getChannel(CBusBindingConstants.CHANNEL_LEVEL);
 100             if (channel != null) {
 101                 ChannelUID channelUID = channel.getUID();
 102
 103                 if ("on".equalsIgnoreCase(value) || "255".equalsIgnoreCase(value)) {
 104                     updateState(channelUID, OnOffType.ON);
 105                     updateState(channelUID, new PercentType(100));
 106                 } else if ("off".equalsIgnoreCase(value) || "0".equalsIgnoreCase(value)) {
 107                     updateState(channelUID, OnOffType.OFF);
 108                     updateState(channelUID, new PercentType(0));
 109                 } else {
 110                     try {
 111                         int v = Integer.parseInt(value);
 112                         PercentType perc = new PercentType(Math.round(v * 100 / 255));
 113                         updateState(channelUID, perc);
 114                     } catch (NumberFormatException e) {
 115                         logger.warn(
 116                                 "Invalid value presented to channel {}. Received {}, expected On/Off or decimal value",
 117                                 channelUID, value);
 118                     }
 119                 }
 120                 logger.debug("Updating CBus Lighting Group {} with value {}", thing.getUID(), value);
 121             } else {
 122                 logger.debug("Failed to Updat CBus Lighting Group {} with value {}: No Channel", thing.getUID(), value);
 123             }
 124         }
 125     }
 126 }