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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.fronius.internal.handler;
  14
  15 import java.util.Map;
  16
  17 import org.openhab.binding.fronius.internal.FroniusBaseDeviceConfiguration;
  18 import org.openhab.binding.fronius.internal.FroniusBindingConstants;
  19 import org.openhab.binding.fronius.internal.FroniusBridgeConfiguration;
  20 import org.openhab.binding.fronius.internal.api.OhmpilotRealtimeBodyDataDTO;
  21 import org.openhab.binding.fronius.internal.api.OhmpilotRealtimeResponseDTO;
  22 import org.openhab.core.library.types.DecimalType;
  23 import org.openhab.core.library.types.QuantityType;
  24 import org.openhab.core.library.unit.Units;
  25 import org.openhab.core.thing.Thing;
  26
  27 /**
  28  * The {@link FroniusOhmpilotHandler} is responsible for updating the data, which are
  29  * sent to one of the channels.
  30  *
  31  * @author Hannes Spenger - Initial contribution
  32  *
  33  */
  34 public class FroniusOhmpilotHandler extends FroniusBaseThingHandler {
  35
  36     private OhmpilotRealtimeBodyDataDTO ohmpilotRealtimeBodyData;
  37     private FroniusBaseDeviceConfiguration config;
  38
  39     public FroniusOhmpilotHandler(Thing thing) {
  40         super(thing);
  41     }
  42
  43     @Override
  44     protected String getDescription() {
  45         return "Fronius Ohmpilot";
  46     }
  47
  48     @Override
  49     public void refresh(FroniusBridgeConfiguration bridgeConfiguration) {
  50         updateData(bridgeConfiguration, config);
  51         updateChannels();
  52         updateProperties();
  53     }
  54
  55     @Override
  56     public void initialize() {
  57         config = getConfigAs(FroniusBaseDeviceConfiguration.class);
  58         super.initialize();
  59     }
  60
  61     /**
  62      * Update the channel from the last data retrieved
  63      *
  64      * @param channelId the id identifying the channel to be updated
  65      * @return the last retrieved data
  66      */
  67     @Override
  68     protected Object getValue(String channelId) {
  69         if (ohmpilotRealtimeBodyData == null) {
  70             return null;
  71         }
  72
  73         final String[] fields = channelId.split("#");
  74         if (fields.length < 1) {
  75             return null;
  76         }
  77         final String fieldName = fields[0];
  78
  79         switch (fieldName) {
  80             case FroniusBindingConstants.OHMPILOT_POWER_REAL_SUM:
  81                 return new QuantityType<>(ohmpilotRealtimeBodyData.getPowerPACSum(), Units.WATT);
  82             case FroniusBindingConstants.OHMPILOT_ENERGY_REAL_SUM_CONSUMED:
  83                 return new QuantityType<>(ohmpilotRealtimeBodyData.getEnergyRealWACSumConsumed(), Units.WATT_HOUR);
  84             case FroniusBindingConstants.OHMPILOT_ENERGY_SENSOR_TEMPERATURE_CHANNEL_1:
  85                 return new QuantityType<>(ohmpilotRealtimeBodyData.getTemperatureChannel1(), Units.KELVIN);
  86             case FroniusBindingConstants.OHMPILOT_STATE_CODE:
  87                 return new DecimalType(ohmpilotRealtimeBodyData.getStateCode());
  88             case FroniusBindingConstants.OHMPILOT_ERROR_CODE:
  89                 return new DecimalType(ohmpilotRealtimeBodyData.getErrorCode());
  90
  91             default:
  92                 break;
  93         }
  94
  95         return null;
  96     }
  97
  98     private void updateProperties() {
  99         if (ohmpilotRealtimeBodyData == null) {
 100             return;
 101         }
 102
 103         Map<String, String> properties = editProperties();
 104
 105         properties.put(Thing.PROPERTY_MODEL_ID, ohmpilotRealtimeBodyData.getDetails().getModel());
 106         properties.put(Thing.PROPERTY_SERIAL_NUMBER, ohmpilotRealtimeBodyData.getDetails().getSerial());
 107
 108         updateProperties(properties);
 109     }
 110
 111     /**
 112      * Get new data
 113      */
 114     private void updateData(FroniusBridgeConfiguration bridgeConfiguration, FroniusBaseDeviceConfiguration config) {
 115         OhmpilotRealtimeResponseDTO ohmpilotRealtimeResponse = getOhmpilotRealtimeData(bridgeConfiguration.hostname,
 116                 config.deviceId);
 117         if (ohmpilotRealtimeResponse == null) {
 118             ohmpilotRealtimeBodyData = null;
 119         } else {
 120             ohmpilotRealtimeBodyData = ohmpilotRealtimeResponse.getBody().getData();
 121         }
 122     }
 123
 124     /**
 125      * Make the OhmpilotRealtimeData request
 126      *
 127      * @param ip address of the device
 128      * @param deviceId of the device
 129      * @return {OhmpilotRealtimeResponse} the object representation of the json response
 130      */
 131     private OhmpilotRealtimeResponseDTO getOhmpilotRealtimeData(String ip, int deviceId) {
 132         String location = FroniusBindingConstants.OHMPILOT_REALTIME_DATA_URL.replace("%IP%",
 133                 (ip != null ? ip.trim() : ""));
 134         location = location.replace("%DEVICEID%", Integer.toString(deviceId));
 135         return collectDataFormUrl(OhmpilotRealtimeResponseDTO.class, location);
 136     }
 137 }