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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.ecowatt.internal.restapi;
  14
  15 import java.time.ZonedDateTime;
  16 import java.time.format.DateTimeFormatter;
  17 import java.time.temporal.ChronoUnit;
  18 import java.util.List;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.core.i18n.CommunicationException;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 /**
  27  * The {@link EcowattApiResponse} class contains fields mapping the response to the Ecowatt API request /signals.
  28  *
  29  * It also includes an exception field to be set in case the API request fails.
  30  *
  31  * @author Laurent Garnier - Initial contribution
  32  */
  33 @NonNullByDefault
  34 public class EcowattApiResponse {
  35     private final Logger logger = LoggerFactory.getLogger(EcowattApiResponse.class);
  36
  37     public @Nullable List<EcowattDaySignals> signals;
  38     private @Nullable CommunicationException exception;
  39
  40     public EcowattApiResponse() {
  41         this.signals = null;
  42         this.exception = null;
  43     }
  44
  45     public EcowattApiResponse(@Nullable List<EcowattDaySignals> signals) {
  46         this.signals = signals;
  47         this.exception = null;
  48     }
  49
  50     public EcowattApiResponse(CommunicationException exception) {
  51         this.signals = null;
  52         this.exception = exception;
  53     }
  54
  55     /**
  56      * Search the data for the day of the given date and time
  57      *
  58      * @param dateTime a date and time
  59      * @return the data for the searched day or null if no data is found for this day
  60      */
  61     public @Nullable EcowattDaySignals getDaySignals(ZonedDateTime dateTime) {
  62         List<EcowattDaySignals> localSignals = signals;
  63         if (localSignals != null) {
  64             for (EcowattDaySignals daySignals : localSignals) {
  65                 ZonedDateTime zdt = daySignals.getDay();
  66                 if (zdt != null) {
  67                     // Adjust date/times to the same offset/zone
  68                     ZonedDateTime dateTime2 = dateTime.withZoneSameInstant(zdt.getZone());
  69                     logger.trace("zdt {} offset {} - dateTime2 {} offset {}",
  70                             zdt.format(DateTimeFormatter.ISO_ZONED_DATE_TIME), zdt.getOffset(),
  71                             dateTime2.format(DateTimeFormatter.ISO_ZONED_DATE_TIME), dateTime2.getOffset());
  72                     // Check if the two date/times are in the same day
  73                     if (zdt.truncatedTo(ChronoUnit.DAYS).toInstant()
  74                             .equals(dateTime2.truncatedTo(ChronoUnit.DAYS).toInstant())) {
  75                         logger.debug("getDaySignals for {} returns signal {} : {} ( {} )",
  76                                 dateTime.format(DateTimeFormatter.ISO_ZONED_DATE_TIME), daySignals.getDaySignal(),
  77                                 daySignals.getDayMessage(), zdt.format(DateTimeFormatter.ISO_ZONED_DATE_TIME));
  78                         return daySignals;
  79                     }
  80                 }
  81             }
  82         }
  83         return null;
  84     }
  85
  86     public boolean succeeded() {
  87         return signals != null;
  88     }
  89
  90     public @Nullable CommunicationException getException() {
  91         return exception;
  92     }
  93 }