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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.plugwise.internal.handler;
  14
  15 import static org.openhab.binding.plugwise.internal.PlugwiseBindingConstants.*;
  16
  17 import java.time.Duration;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.plugwise.internal.config.PlugwiseSwitchConfig;
  22 import org.openhab.binding.plugwise.internal.protocol.AcknowledgementMessage;
  23 import org.openhab.binding.plugwise.internal.protocol.AcknowledgementMessage.ExtensionCode;
  24 import org.openhab.binding.plugwise.internal.protocol.BroadcastGroupSwitchResponseMessage;
  25 import org.openhab.binding.plugwise.internal.protocol.SleepSetRequestMessage;
  26 import org.openhab.binding.plugwise.internal.protocol.field.DeviceType;
  27 import org.openhab.binding.plugwise.internal.protocol.field.MACAddress;
  28 import org.openhab.core.config.core.Configuration;
  29 import org.openhab.core.library.types.OnOffType;
  30 import org.openhab.core.thing.Thing;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 /**
  35  * <p>
  36  * The {@link PlugwiseSwitchHandler} handles channel updates and commands for a Plugwise Switch device.
  37  * </p>
  38  * <p>
  39  * The Switch is a mountable wireless switch with one or two buttons depending on what parts are in place. When one
  40  * button is used this corresponds to only using the left button.
  41  * </p>
  42  *
  43  * @author Wouter Born - Initial contribution
  44  */
  45 @NonNullByDefault
  46 public class PlugwiseSwitchHandler extends AbstractSleepingEndDeviceHandler {
  47
  48     private final Logger logger = LoggerFactory.getLogger(PlugwiseSwitchHandler.class);
  49     private final DeviceType deviceType = DeviceType.SWITCH;
  50
  51     private @NonNullByDefault({}) PlugwiseSwitchConfig configuration;
  52     private @NonNullByDefault({}) MACAddress macAddress;
  53
  54     // Flag that keeps track of the pending "sleep parameters" Switch configuration update. When the corresponding
  55     // Thing configuration parameters change it is set to true. When the Switch goes online a command is sent to
  56     // update the device configuration. When the Switch acknowledges the command the flag is again set to false.
  57     private boolean updateSleepParameters;
  58
  59     public PlugwiseSwitchHandler(Thing thing) {
  60         super(thing);
  61     }
  62
  63     @Override
  64     protected MACAddress getMACAddress() {
  65         return macAddress;
  66     }
  67
  68     @Override
  69     protected Duration getWakeupDuration() {
  70         return configuration.getWakeupDuration();
  71     }
  72
  73     @Override
  74     protected void handleAcknowledgement(AcknowledgementMessage message) {
  75         boolean oldConfigurationPending = isConfigurationPending();
  76
  77         if (message.getExtensionCode() == ExtensionCode.SLEEP_SET_ACK) {
  78             logger.debug("Received ACK for sleep set of {} ({})", deviceType, macAddress);
  79             updateSleepParameters = false;
  80         }
  81
  82         boolean newConfigurationPending = isConfigurationPending();
  83
  84         if (oldConfigurationPending != newConfigurationPending && !newConfigurationPending) {
  85             Configuration newConfiguration = editConfiguration();
  86             newConfiguration.put(CONFIG_PROPERTY_UPDATE_CONFIGURATION, false);
  87             updateConfiguration(newConfiguration);
  88         }
  89
  90         super.handleAcknowledgement(message);
  91     }
  92
  93     @Override
  94     protected void handleBroadcastGroupSwitchResponseMessage(BroadcastGroupSwitchResponseMessage message) {
  95         if (message.getPortMask() == 1) {
  96             updateState(CHANNEL_LEFT_BUTTON_STATE, OnOffType.from(message.getPowerState()));
  97         } else if (message.getPortMask() == 2) {
  98             updateState(CHANNEL_RIGHT_BUTTON_STATE, OnOffType.from(message.getPowerState()));
  99         }
 100     }
 101
 102     @Override
 103     public void initialize() {
 104         configuration = getConfigAs(PlugwiseSwitchConfig.class);
 105         macAddress = configuration.getMACAddress();
 106         if (!isInitialized()) {
 107             setUpdateCommandFlags(null, configuration);
 108         }
 109         super.initialize();
 110     }
 111
 112     @Override
 113     protected boolean isConfigurationPending() {
 114         return updateSleepParameters;
 115     }
 116
 117     @Override
 118     protected void sendConfigurationUpdateCommands() {
 119         logger.debug("Sending {} ({}) configuration update commands", deviceType, macAddress);
 120
 121         if (updateSleepParameters) {
 122             logger.debug("Sending command to update {} ({}) sleep parameters", deviceType, macAddress);
 123             sendCommandMessage(new SleepSetRequestMessage(macAddress, configuration.getWakeupDuration(),
 124                     configuration.getWakeupInterval()));
 125         }
 126
 127         super.sendConfigurationUpdateCommands();
 128     }
 129
 130     private void setUpdateCommandFlags(@Nullable PlugwiseSwitchConfig oldConfiguration,
 131             PlugwiseSwitchConfig newConfiguration) {
 132         boolean fullUpdate = newConfiguration.isUpdateConfiguration() && !isConfigurationPending();
 133         if (fullUpdate) {
 134             logger.debug("Updating all configuration properties of {} ({})", deviceType, macAddress);
 135         }
 136
 137         updateSleepParameters = fullUpdate
 138                 || (oldConfiguration != null && !oldConfiguration.equalSleepParameters(newConfiguration));
 139         if (updateSleepParameters) {
 140             logger.debug("Updating {} ({}) sleep parameters when online", deviceType, macAddress);
 141         }
 142     }
 143
 144     @Override
 145     protected void updateConfiguration(Configuration configuration) {
 146         PlugwiseSwitchConfig oldConfiguration = this.configuration;
 147         PlugwiseSwitchConfig newConfiguration = configuration.as(PlugwiseSwitchConfig.class);
 148
 149         setUpdateCommandFlags(oldConfiguration, newConfiguration);
 150         configuration.put(CONFIG_PROPERTY_UPDATE_CONFIGURATION, isConfigurationPending());
 151
 152         super.updateConfiguration(configuration);
 153     }
 154 }