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   1 /**
   2  * Copyright (c) 2010-2021 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.apache.commons.lang.StringUtils;
  18 import org.openhab.binding.fronius.internal.FroniusBaseDeviceConfiguration;
  19 import org.openhab.binding.fronius.internal.FroniusBindingConstants;
  20 import org.openhab.binding.fronius.internal.FroniusBridgeConfiguration;
  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.QuantityType;
  24 import org.openhab.core.library.unit.Units;
  25 import org.openhab.core.thing.Thing;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  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  */
  35 public class FroniusMeterHandler extends FroniusBaseThingHandler {
  36
  37     private final Logger logger = LoggerFactory.getLogger(FroniusMeterHandler.class);
  38     private MeterRealtimeBodyDataDTO meterRealtimeBodyData;
  39     private FroniusBaseDeviceConfiguration config;
  40
  41     public FroniusMeterHandler(Thing thing) {
  42         super(thing);
  43     }
  44
  45     @Override
  46     protected String getDescription() {
  47         return "Fronius Smart Meter";
  48     }
  49
  50     @Override
  51     public void refresh(FroniusBridgeConfiguration bridgeConfiguration) {
  52         updateData(bridgeConfiguration, config);
  53         updateChannels();
  54         updateProperties();
  55     }
  56
  57     @Override
  58     public void initialize() {
  59         config = getConfigAs(FroniusBaseDeviceConfiguration.class);
  60         super.initialize();
  61     }
  62
  63     /**
  64      * Update the channel from the last data retrieved
  65      *
  66      * @param channelId the id identifying the channel to be updated
  67      * @return the last retrieved data
  68      */
  69     @Override
  70     protected Object getValue(String channelId) {
  71         if (meterRealtimeBodyData == null) {
  72             return null;
  73         }
  74
  75         String[] fields = StringUtils.split(channelId, "#");
  76         String fieldName = fields[0];
  77
  78         switch (fieldName) {
  79             case FroniusBindingConstants.MeterEnable:
  80                 return meterRealtimeBodyData.getEnable();
  81             case FroniusBindingConstants.MeterLocation:
  82                 return meterRealtimeBodyData.getMeterLocationCurrent();
  83             case FroniusBindingConstants.MeterCurrentAcPhase1:
  84                 return new QuantityType(meterRealtimeBodyData.getCurrentACPhase1(), Units.AMPERE);
  85             case FroniusBindingConstants.MeterCurrentAcPhase2:
  86                 return new QuantityType(meterRealtimeBodyData.getCurrentACPhase2(), Units.AMPERE);
  87             case FroniusBindingConstants.MeterCurrentAcPhase3:
  88                 return new QuantityType(meterRealtimeBodyData.getCurrentACPhase3(), Units.AMPERE);
  89             case FroniusBindingConstants.MeterVoltageAcPhase1:
  90                 return new QuantityType(meterRealtimeBodyData.getVoltageACPhase1(), Units.VOLT);
  91             case FroniusBindingConstants.MeterVoltageAcPhase2:
  92                 return new QuantityType(meterRealtimeBodyData.getVoltageACPhase2(), Units.VOLT);
  93             case FroniusBindingConstants.MeterVoltageAcPhase3:
  94                 return new QuantityType(meterRealtimeBodyData.getVoltageACPhase3(), Units.VOLT);
  95             case FroniusBindingConstants.MeterPowerPhase1:
  96                 return new QuantityType(meterRealtimeBodyData.getPowerRealPPhase1(), Units.WATT);
  97             case FroniusBindingConstants.MeterPowerPhase2:
  98                 return new QuantityType(meterRealtimeBodyData.getPowerRealPPhase2(), Units.WATT);
  99             case FroniusBindingConstants.MeterPowerPhase3:
 100                 return new QuantityType(meterRealtimeBodyData.getPowerRealPPhase3(), Units.WATT);
 101             case FroniusBindingConstants.MeterPowerFactorPhase1:
 102                 return meterRealtimeBodyData.getPowerFactorPhase1();
 103             case FroniusBindingConstants.MeterPowerFactorPhase2:
 104                 return meterRealtimeBodyData.getPowerFactorPhase2();
 105             case FroniusBindingConstants.MeterPowerFactorPhase3:
 106                 return meterRealtimeBodyData.getPowerFactorPhase3();
 107             case FroniusBindingConstants.MeterEnergyRealSumConsumed:
 108                 return new QuantityType(meterRealtimeBodyData.getEnergyRealWACSumConsumed(), Units.WATT_HOUR);
 109             case FroniusBindingConstants.MeterEnergyRealSumProduced:
 110                 return new QuantityType(meterRealtimeBodyData.getEnergyRealWACSumProduced(), Units.WATT_HOUR);
 111         }
 112
 113         return null;
 114     }
 115
 116     private void updateProperties() {
 117         if (meterRealtimeBodyData == null) {
 118             return;
 119         }
 120
 121         Map<String, String> properties = editProperties();
 122
 123         properties.put(FroniusBindingConstants.MeterModel, meterRealtimeBodyData.getDetails().getModel());
 124         properties.put(FroniusBindingConstants.MeterSerial, meterRealtimeBodyData.getDetails().getSerial());
 125
 126         updateProperties(properties);
 127     }
 128
 129     /**
 130      * Get new data
 131      */
 132     private void updateData(FroniusBridgeConfiguration bridgeConfiguration, FroniusBaseDeviceConfiguration config) {
 133         MeterRealtimeResponseDTO meterRealtimeResponse = getMeterRealtimeData(bridgeConfiguration.hostname,
 134                 config.deviceId);
 135         if (meterRealtimeResponse == null) {
 136             meterRealtimeBodyData = null;
 137         } else {
 138             meterRealtimeBodyData = meterRealtimeResponse.getBody().getData();
 139         }
 140     }
 141
 142     /**
 143      * Make the MeterRealtimeData request
 144      *
 145      * @param ip address of the device
 146      * @param deviceId of the device
 147      * @return {MeterRealtimeResponse} the object representation of the json response
 148      */
 149     private MeterRealtimeResponseDTO getMeterRealtimeData(String ip, int deviceId) {
 150         String location = FroniusBindingConstants.METER_REALTIME_DATA_URL.replace("%IP%", StringUtils.trimToEmpty(ip));
 151         location = location.replace("%DEVICEID%", Integer.toString(deviceId));
 152         return collectDataFormUrl(MeterRealtimeResponseDTO.class, location);
 153     }
 154 }