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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.warmup.internal.handler;
  14
  15 import java.util.Collection;
  16 import java.util.Set;
  17 import java.util.concurrent.ScheduledFuture;
  18 import java.util.concurrent.TimeUnit;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.eclipse.jetty.client.HttpClient;
  23 import org.openhab.binding.warmup.internal.api.MyWarmupApi;
  24 import org.openhab.binding.warmup.internal.api.MyWarmupApiException;
  25 import org.openhab.binding.warmup.internal.discovery.WarmupDiscoveryService;
  26 import org.openhab.binding.warmup.internal.model.query.QueryResponseDTO;
  27 import org.openhab.core.thing.Bridge;
  28 import org.openhab.core.thing.ChannelUID;
  29 import org.openhab.core.thing.Thing;
  30 import org.openhab.core.thing.ThingStatus;
  31 import org.openhab.core.thing.ThingStatusDetail;
  32 import org.openhab.core.thing.binding.BaseBridgeHandler;
  33 import org.openhab.core.thing.binding.ThingHandlerService;
  34 import org.openhab.core.types.Command;
  35
  36 /**
  37  * @author James Melville - Initial contribution
  38  */
  39 @NonNullByDefault
  40 public class MyWarmupAccountHandler extends BaseBridgeHandler {
  41
  42     private final MyWarmupApi api;
  43
  44     private @Nullable QueryResponseDTO queryResponse = null;
  45
  46     private @Nullable ScheduledFuture<?> refreshJob;
  47     private @Nullable WarmupDiscoveryService discoveryService;
  48
  49     public MyWarmupAccountHandler(Bridge thing, final HttpClient httpClient) {
  50         super(thing);
  51         api = new MyWarmupApi(httpClient, getConfigAs(MyWarmupConfigurationDTO.class));
  52     }
  53
  54     @Override
  55     public void initialize() {
  56         MyWarmupConfigurationDTO config = getConfigAs(MyWarmupConfigurationDTO.class);
  57         if (config.username.length() == 0) {
  58             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "Username not configured");
  59         } else if (config.password.length() == 0) {
  60             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "Password not configured");
  61         } else if (config.refreshInterval >= 10) {
  62             api.setConfiguration(config);
  63             refreshJob = scheduler.scheduleWithFixedDelay(this::refreshFromServer, 0, config.refreshInterval,
  64                     TimeUnit.SECONDS);
  65         } else {
  66             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
  67                     "Refresh interval misconfigured (minimum 10s)");
  68         }
  69     }
  70
  71     @Override
  72     public Collection<Class<? extends ThingHandlerService>> getServices() {
  73         return Set.of(WarmupDiscoveryService.class);
  74     }
  75
  76     @Override
  77     public void handleCommand(ChannelUID channelUID, Command command) {
  78     }
  79
  80     @Override
  81     public void dispose() {
  82         cancelRefresh();
  83     }
  84
  85     public void cancelRefresh() {
  86         if (refreshJob != null) {
  87             refreshJob.cancel(true);
  88             refreshJob = null;
  89         }
  90     }
  91
  92     public synchronized void refreshFromServer() {
  93         try {
  94             queryResponse = api.getStatus();
  95             updateStatus(ThingStatus.ONLINE);
  96         } catch (MyWarmupApiException e) {
  97             queryResponse = null;
  98             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, e.getMessage());
  99         }
 100         refreshFromCache();
 101     }
 102
 103     /**
 104      * Trigger updates to all devices
 105      */
 106     public synchronized void refreshFromCache() {
 107         notifyListeners(queryResponse);
 108     }
 109
 110     public void setDiscoveryService(final WarmupDiscoveryService discoveryService) {
 111         this.discoveryService = discoveryService;
 112         refreshFromServer();
 113     }
 114
 115     public void unsetDiscoveryService() {
 116         discoveryService = null;
 117     }
 118
 119     /**
 120      *
 121      * @return reference to the bridge's API
 122      */
 123     public MyWarmupApi getApi() {
 124         return api;
 125     }
 126
 127     private void notifyListeners(@Nullable QueryResponseDTO domain) {
 128         if (discoveryService != null && queryResponse != null) {
 129             discoveryService.refresh(queryResponse);
 130         }
 131         getThing().getThings().stream().filter(thing -> thing.getHandler() instanceof WarmupRefreshListener)
 132                 .map(Thing::getHandler).map(WarmupRefreshListener.class::cast).forEach(thing -> thing.refresh(domain));
 133     }
 134 }