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   1 /**
   2  * Copyright (c) 2010-2022 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.coronastats.internal.handler;
  14
  15 import org.eclipse.jdt.annotation.NonNullByDefault;
  16 import org.eclipse.jdt.annotation.Nullable;
  17 import org.openhab.binding.coronastats.internal.config.CoronaStatsCountryConfiguration;
  18 import org.openhab.binding.coronastats.internal.dto.CoronaStats;
  19 import org.openhab.binding.coronastats.internal.dto.CoronaStatsCountry;
  20 import org.openhab.core.thing.Bridge;
  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.thing.binding.BaseThingHandler;
  26 import org.openhab.core.thing.binding.ThingHandler;
  27 import org.openhab.core.types.Command;
  28 import org.openhab.core.types.RefreshType;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 /**
  33  * The {@link CoronaStatsCountryHandler} is the handler for country thing
  34  *
  35  * @author Johannes Ott - Initial contribution
  36  */
  37 @NonNullByDefault
  38 public class CoronaStatsCountryHandler extends BaseThingHandler {
  39     private final Logger logger = LoggerFactory.getLogger(CoronaStatsCountryHandler.class);
  40
  41     private CoronaStatsCountryConfiguration thingConfig = new CoronaStatsCountryConfiguration();
  42
  43     public CoronaStatsCountryHandler(Thing thing) {
  44         super(thing);
  45     }
  46
  47     @Override
  48     public void initialize() {
  49         thingConfig = getConfigAs(CoronaStatsCountryConfiguration.class);
  50         logger.debug("Initializing Corona Stats country handler for country code {}", thingConfig.getCountryCode());
  51
  52         if (thingConfig.isValid()) {
  53             CoronaStatsWorldHandler handler = getBridgeHandler();
  54             if (handler == null) {
  55                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "Bridge handler missing");
  56             } else {
  57                 updateStatus(ThingStatus.ONLINE);
  58             }
  59         } else {
  60             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "No valid country code given.");
  61         }
  62     }
  63
  64     @Override
  65     public void dispose() {
  66         logger.debug("CoronaStats country handler disposes.");
  67     }
  68
  69     @Override
  70     public void handleCommand(ChannelUID channelUID, Command command) {
  71         if (command instanceof RefreshType) {
  72             refresh();
  73         }
  74     }
  75
  76     private void refresh() {
  77         CoronaStatsWorldHandler handler = getBridgeHandler();
  78         if (handler != null) {
  79             CoronaStats coronaStats = handler.getCoronaStats();
  80             if (coronaStats != null) {
  81                 notifyOnUpdate(coronaStats);
  82             }
  83         }
  84     }
  85
  86     private @Nullable CoronaStatsWorldHandler getBridgeHandler() {
  87         Bridge bridge = getBridge();
  88         if (bridge != null) {
  89             ThingHandler handler = bridge.getHandler();
  90             if (handler instanceof CoronaStatsWorldHandler) {
  91                 return (CoronaStatsWorldHandler) handler;
  92             }
  93         }
  94
  95         return null;
  96     }
  97
  98     public void notifyOnUpdate(CoronaStats coronaStats) {
  99         CoronaStatsCountry country = coronaStats.getCountry(thingConfig.getCountryCode());
 100         if (country == null) {
 101             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "Country not found");
 102             return;
 103         }
 104
 105         updateStatus(ThingStatus.ONLINE);
 106         updateProperties(country.getProperties());
 107
 108         country.getChannelsStateMap().forEach(this::updateState);
 109     }
 110 }