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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.tado.internal.builder;
  14
  15 import static org.openhab.binding.tado.internal.api.TadoApiTypeUtils.temperature;
  16
  17 import java.io.IOException;
  18
  19 import org.openhab.binding.tado.internal.TadoBindingConstants.FanSpeed;
  20 import org.openhab.binding.tado.internal.TadoBindingConstants.HvacMode;
  21 import org.openhab.binding.tado.internal.api.ApiException;
  22 import org.openhab.binding.tado.internal.api.model.GenericZoneCapabilities;
  23 import org.openhab.binding.tado.internal.api.model.GenericZoneSetting;
  24 import org.openhab.binding.tado.internal.api.model.HotWaterCapabilities;
  25 import org.openhab.binding.tado.internal.api.model.HotWaterZoneSetting;
  26 import org.openhab.binding.tado.internal.api.model.Power;
  27 import org.openhab.binding.tado.internal.api.model.TadoSystemType;
  28 import org.openhab.binding.tado.internal.api.model.TemperatureObject;
  29
  30 /**
  31  * Builder for incremental creation of hot water zone settings.
  32  *
  33  * @author Dennis Frommknecht - Initial contribution
  34  */
  35 public class HotWaterZoneSettingsBuilder extends ZoneSettingsBuilder {
  36     private static final float DEFAULT_TEMPERATURE_C = 50.0f;
  37     private static final float DEFAULT_TEMPERATURE_F = 122.0f;
  38
  39     @Override
  40     public ZoneSettingsBuilder withSwing(boolean swingOn) {
  41         throw new IllegalArgumentException("Hot Water zones don't support SWING");
  42     }
  43
  44     @Override
  45     public ZoneSettingsBuilder withFanSpeed(FanSpeed fanSpeed) {
  46         throw new IllegalArgumentException("Hot Water zones don't support FAN SPEED");
  47     }
  48
  49     @Override
  50     public GenericZoneSetting build(ZoneStateProvider zoneStateProvider, GenericZoneCapabilities capabilities)
  51             throws IOException, ApiException {
  52         if (mode == HvacMode.OFF) {
  53             return hotWaterSetting(false);
  54         }
  55
  56         HotWaterZoneSetting setting = hotWaterSetting(true);
  57
  58         if (temperature != null) {
  59             setting.setTemperature(temperature(temperature, temperatureUnit));
  60         }
  61
  62         addMissingSettingParts(setting, zoneStateProvider, (HotWaterCapabilities) capabilities);
  63
  64         return setting;
  65     }
  66
  67     private void addMissingSettingParts(HotWaterZoneSetting setting, ZoneStateProvider zoneStateProvider,
  68             HotWaterCapabilities capabilities) throws IOException, ApiException {
  69         if (capabilities.isCanSetTemperature() && setting.getTemperature() == null) {
  70             TemperatureObject temperatureObject = getCurrentOrDefaultTemperature(zoneStateProvider);
  71             setting.setTemperature(temperatureObject);
  72         }
  73     }
  74
  75     private TemperatureObject getCurrentOrDefaultTemperature(ZoneStateProvider zoneStateProvider)
  76             throws IOException, ApiException {
  77         HotWaterZoneSetting zoneSetting = (HotWaterZoneSetting) zoneStateProvider.getZoneState().getSetting();
  78
  79         if (zoneSetting != null && zoneSetting.getTemperature() != null) {
  80             return truncateTemperature(zoneSetting.getTemperature());
  81         }
  82
  83         return buildDefaultTemperatureObject(DEFAULT_TEMPERATURE_C, DEFAULT_TEMPERATURE_F);
  84     }
  85
  86     private HotWaterZoneSetting hotWaterSetting(boolean powerOn) {
  87         HotWaterZoneSetting setting = new HotWaterZoneSetting();
  88         setting.setType(TadoSystemType.HOT_WATER);
  89         setting.setPower(powerOn ? Power.ON : Power.OFF);
  90         return setting;
  91     }
  92 }