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[PeerTube] Add utility method to get thumbnails of playlists and videos 

This method, getThumbnailsFromPlaylistOrVideoItem, has been added in
PeertubeParsingHelper and returns the two image variants for playlists and
videos.
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AudricV 2023-02-09 19:43:27 +01:00
parent 81c0d80a54
commit 6f8331524b
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extractor/src/main/java/org/schabi/newpipe/extractor/services/peertube/PeertubeParsingHelper.java
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@ -22,6 +22,7 @@ import java.time.Instant;
import java.time.OffsetDateTime;
import java.time.ZoneOffset;
import java.time.format.DateTimeParseException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
@ -198,6 +199,47 @@ public final class PeertubeParsingHelper {
"banners", "banner");
}
/**
* Get thumbnails from a playlist or a video item {@link JsonObject}.
*
* <p>
* PeerTube provides two thumbnails in its API: a low one, represented by the value of the
* {@code thumbnailPath} key, and a medium one, represented by the value of the
* {@code previewPath} key.
* </p>
*
* <p>
* If a value is not null or empty, an {@link Image} will be added to the list returned with
* the URL to the thumbnail ({@code baseUrl + value}), a height and a width unknown and the
* corresponding resolution level (see above).
* </p>
*
* @param baseUrl the base URL of the PeerTube instance
* @param playlistOrVideoItemObject the playlist or the video item {@link JsonObject}, which
* must not be null
* @return an unmodifiable list of {@link Image}s, which is never null but can be empty
*/
@Nonnull
public static List<Image> getThumbnailsFromPlaylistOrVideoItem(
@Nonnull final String baseUrl,
@Nonnull final JsonObject playlistOrVideoItemObject) {
final List<Image> imageList = new ArrayList<>(2);
final String thumbnailPath = playlistOrVideoItemObject.getString("thumbnailPath");
if (!isNullOrEmpty(thumbnailPath)) {
imageList.add(new Image(baseUrl + thumbnailPath, HEIGHT_UNKNOWN, WIDTH_UNKNOWN,
ResolutionLevel.LOW));
}
final String previewPath = playlistOrVideoItemObject.getString("previewPath");
if (!isNullOrEmpty(previewPath)) {
imageList.add(new Image(baseUrl + previewPath, HEIGHT_UNKNOWN, WIDTH_UNKNOWN,
ResolutionLevel.MEDIUM));
}
return Collections.unmodifiableList(imageList);
}
/**
* Utility method to get avatars and banners from video channels and accounts from given name
* keys.