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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.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.FroniusCommunicationException;
  21 import org.openhab.binding.fronius.internal.api.MeterRealtimeBodyDataDTO;
  22 import org.openhab.binding.fronius.internal.api.MeterRealtimeResponseDTO;
  23 import org.openhab.core.library.types.DecimalType;
  24 import org.openhab.core.library.types.QuantityType;
  25 import org.openhab.core.library.unit.Units;
  26 import org.openhab.core.thing.Thing;
  27 import org.openhab.core.types.State;
  28
  29 /**
  30  * The {@link FroniusMeterHandler} is responsible for updating the data, which are
  31  * sent to one of the channels.
  32  *
  33  * @author Jimmy Tanagra - Initial contribution
  34  * @author Thomas Kordelle - Actually constants should be all upper case.
  35  * @author Hannes Spenger - Added getValue for power sum
  36  */
  37 public class FroniusMeterHandler extends FroniusBaseThingHandler {
  38
  39     private MeterRealtimeBodyDataDTO meterRealtimeBodyData;
  40     private FroniusBaseDeviceConfiguration config;
  41
  42     public FroniusMeterHandler(Thing thing) {
  43         super(thing);
  44     }
  45
  46     @Override
  47     protected String getDescription() {
  48         return "Fronius Smart Meter";
  49     }
  50
  51     @Override
  52     protected void handleRefresh(FroniusBridgeConfiguration bridgeConfiguration) throws FroniusCommunicationException {
  53         updateData(bridgeConfiguration, config);
  54         updateChannels();
  55         updateProperties();
  56     }
  57
  58     @Override
  59     public void initialize() {
  60         config = getConfigAs(FroniusBaseDeviceConfiguration.class);
  61         super.initialize();
  62     }
  63
  64     /**
  65      * Update the channel from the last data retrieved
  66      *
  67      * @param channelId the id identifying the channel to be updated
  68      * @return the last retrieved data
  69      */
  70     @Override
  71     protected State getValue(String channelId) {
  72         if (meterRealtimeBodyData == null) {
  73             return null;
  74         }
  75
  76         final String[] fields = channelId.split("#");
  77         if (fields.length < 1) {
  78             return null;
  79         }
  80         final String fieldName = fields[0];
  81
  82         switch (fieldName) {
  83             case FroniusBindingConstants.METER_ENABLE:
  84                 return new DecimalType(meterRealtimeBodyData.getEnable());
  85             case FroniusBindingConstants.METER_LOCATION:
  86                 return new DecimalType(meterRealtimeBodyData.getMeterLocationCurrent());
  87             case FroniusBindingConstants.METER_CURRENT_AC_PHASE_1:
  88                 return new QuantityType<>(meterRealtimeBodyData.getCurrentACPhase1(), Units.AMPERE);
  89             case FroniusBindingConstants.METER_CURRENT_AC_PHASE_2:
  90                 return new QuantityType<>(meterRealtimeBodyData.getCurrentACPhase2(), Units.AMPERE);
  91             case FroniusBindingConstants.METER_CURRENT_AC_PHASE_3:
  92                 return new QuantityType<>(meterRealtimeBodyData.getCurrentACPhase3(), Units.AMPERE);
  93             case FroniusBindingConstants.METER_VOLTAGE_AC_PHASE_1:
  94                 return new QuantityType<>(meterRealtimeBodyData.getVoltageACPhase1(), Units.VOLT);
  95             case FroniusBindingConstants.METER_VOLTAGE_AC_PHASE_2:
  96                 return new QuantityType<>(meterRealtimeBodyData.getVoltageACPhase2(), Units.VOLT);
  97             case FroniusBindingConstants.METER_VOLTAGE_AC_PHASE_3:
  98                 return new QuantityType<>(meterRealtimeBodyData.getVoltageACPhase3(), Units.VOLT);
  99             case FroniusBindingConstants.METER_POWER_PHASE_1:
 100                 return new QuantityType<>(meterRealtimeBodyData.getPowerRealPPhase1(), Units.WATT);
 101             case FroniusBindingConstants.METER_POWER_PHASE_2:
 102                 return new QuantityType<>(meterRealtimeBodyData.getPowerRealPPhase2(), Units.WATT);
 103             case FroniusBindingConstants.METER_POWER_PHASE_3:
 104                 return new QuantityType<>(meterRealtimeBodyData.getPowerRealPPhase3(), Units.WATT);
 105             case FroniusBindingConstants.METER_POWER_SUM:
 106                 return new QuantityType<>(meterRealtimeBodyData.getPowerRealPSum(), Units.WATT);
 107             case FroniusBindingConstants.METER_POWER_FACTOR_PHASE_1:
 108                 return new DecimalType(meterRealtimeBodyData.getPowerFactorPhase1());
 109             case FroniusBindingConstants.METER_POWER_FACTOR_PHASE_2:
 110                 return new DecimalType(meterRealtimeBodyData.getPowerFactorPhase2());
 111             case FroniusBindingConstants.METER_POWER_FACTOR_PHASE_3:
 112                 return new DecimalType(meterRealtimeBodyData.getPowerFactorPhase3());
 113             case FroniusBindingConstants.METER_ENERGY_REAL_SUM_CONSUMED:
 114                 return new QuantityType<>(meterRealtimeBodyData.getEnergyRealWACSumConsumed(), Units.WATT_HOUR);
 115             case FroniusBindingConstants.METER_ENERGY_REAL_SUM_PRODUCED:
 116                 return new QuantityType<>(meterRealtimeBodyData.getEnergyRealWACSumProduced(), Units.WATT_HOUR);
 117             default:
 118                 break;
 119         }
 120
 121         return null;
 122     }
 123
 124     private void updateProperties() {
 125         if (meterRealtimeBodyData == null) {
 126             return;
 127         }
 128
 129         Map<String, String> properties = editProperties();
 130
 131         properties.put(Thing.PROPERTY_MODEL_ID, meterRealtimeBodyData.getDetails().getModel());
 132         properties.put(Thing.PROPERTY_SERIAL_NUMBER, meterRealtimeBodyData.getDetails().getSerial());
 133
 134         updateProperties(properties);
 135     }
 136
 137     /**
 138      * Get new data
 139      */
 140     private void updateData(FroniusBridgeConfiguration bridgeConfiguration, FroniusBaseDeviceConfiguration config)
 141             throws FroniusCommunicationException {
 142         MeterRealtimeResponseDTO meterRealtimeResponse = getMeterRealtimeData(bridgeConfiguration.hostname,
 143                 config.deviceId);
 144         meterRealtimeBodyData = meterRealtimeResponse.getBody().getData();
 145     }
 146
 147     /**
 148      * Make the MeterRealtimeData request
 149      *
 150      * @param ip address of the device
 151      * @param deviceId of the device
 152      * @return {MeterRealtimeResponse} the object representation of the json response
 153      */
 154     private MeterRealtimeResponseDTO getMeterRealtimeData(String ip, int deviceId)
 155             throws FroniusCommunicationException {
 156         String location = FroniusBindingConstants.getMeterDataUrl(ip, deviceId);
 157         return collectDataFromUrl(MeterRealtimeResponseDTO.class, location);
 158     }
 159 }