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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.heos.internal.handler;
  14
  15 import java.util.List;
  16 import java.util.Optional;
  17 import java.util.function.Function;
  18 import java.util.stream.Collectors;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.binding.heos.internal.json.payload.BrowseResult;
  23 import org.openhab.binding.heos.internal.json.payload.Media;
  24 import org.openhab.binding.heos.internal.json.payload.YesNoEnum;
  25 import org.openhab.core.thing.ChannelUID;
  26 import org.openhab.core.thing.binding.BaseDynamicStateDescriptionProvider;
  27 import org.openhab.core.thing.type.DynamicStateDescriptionProvider;
  28 import org.openhab.core.types.StateOption;
  29 import org.osgi.service.component.annotations.Component;
  30
  31 /**
  32  * Dynamically create the users list of favorites and playlists.
  33  *
  34  * @author Martin van Wingerden - Initial contribution
  35  */
  36 @Component(service = { DynamicStateDescriptionProvider.class, HeosDynamicStateDescriptionProvider.class })
  37 @NonNullByDefault
  38 public class HeosDynamicStateDescriptionProvider extends BaseDynamicStateDescriptionProvider {
  39
  40     String getValueByLabel(ChannelUID channelUID, String input) {
  41         Optional<String> optionalValueByLabel = channelOptionsMap.get(channelUID).stream()
  42                 .filter(o -> input.equals(o.getLabel())).map(StateOption::getValue).findFirst();
  43
  44         // if no match was found we assume that it already was a value and not a label
  45         return optionalValueByLabel.orElse(input);
  46     }
  47
  48     public void setFavorites(ChannelUID channelUID, List<BrowseResult> favorites) {
  49         setBrowseResultList(channelUID, favorites, d -> d.mediaId);
  50     }
  51
  52     public void setPlaylists(ChannelUID channelUID, List<BrowseResult> playLists) {
  53         setBrowseResultList(channelUID, playLists, d -> d.containerId);
  54     }
  55
  56     private void setBrowseResultList(ChannelUID channelUID, List<BrowseResult> playlists,
  57             Function<BrowseResult, @Nullable String> function) {
  58         setStateOptions(channelUID,
  59                 playlists.stream().filter(browseResult -> browseResult.playable == YesNoEnum.YES)
  60                         .map(browseResult -> getStateOption(function, browseResult)).filter(Optional::isPresent)
  61                         .map(Optional::get).collect(Collectors.toList()));
  62     }
  63
  64     private Optional<StateOption> getStateOption(Function<BrowseResult, @Nullable String> function,
  65             BrowseResult browseResult) {
  66         @Nullable
  67         String identifier = function.apply(browseResult);
  68         if (identifier != null) {
  69             return Optional.of(new StateOption(identifier, browseResult.name));
  70         } else {
  71             return Optional.empty();
  72         }
  73     }
  74
  75     public void setQueue(ChannelUID channelUID, List<Media> queue) {
  76         setStateOptions(channelUID,
  77                 queue.stream().map(m -> new StateOption(String.valueOf(m.queueId), m.combinedSongArtist()))
  78                         .collect(Collectors.toList()));
  79     }
  80 }