Examples with IdOnlyContainerResource org.datatransferproject.types.common.models.IdOnlyContainerResource used on opensource projects

Example 41 with IdOnlyContainerResource

use of org.datatransferproject.types.common.models.IdOnlyContainerResource in project data-transfer-project by google.

the class FlickrPhotosExporter method getAlbums.

private ExportResult<PhotosContainerResource> getAlbums(PaginationData paginationData, Auth auth) {
    ImmutableList.Builder<PhotoAlbum> albumBuilder = ImmutableList.builder();
    List<IdOnlyContainerResource> subResources = new ArrayList<>();
    int page = paginationData == null ? 1 : ((IntPaginationToken) paginationData).getStart();
    Photosets photoSetList;
    try {
        perUserRateLimiter.acquire();
        photoSetList = photosetsInterface.getList(auth.getUser().getId(), PHOTO_SETS_PER_PAGE, page, PHOTOSET_EXTRAS);
    } catch (FlickrException e) {
        return new ExportResult<>(e);
    }
    for (Photoset photoSet : photoSetList.getPhotosets()) {
        // Saving data to the album allows the target service to recreate the album structure
        albumBuilder.add(new PhotoAlbum(photoSet.getId(), photoSet.getTitle(), photoSet.getDescription()));
        // Adding subresources tells the framework to recall export to get all the photos
        subResources.add(new IdOnlyContainerResource(photoSet.getId()));
    }
    PaginationData newPage = null;
    boolean hasMore = photoSetList.getPage() != photoSetList.getPages() && !photoSetList.getPhotosets().isEmpty();
    if (hasMore) {
        newPage = new IntPaginationToken(page + 1);
    } else {
        // No more albums to get, add a resource for albumless items
        subResources.add(new IdOnlyContainerResource(""));
    }
    PhotosContainerResource photosContainerResource = new PhotosContainerResource(albumBuilder.build(), null);
    ContinuationData continuationData = new ContinuationData(newPage);
    subResources.forEach(resource -> continuationData.addContainerResource(resource));
    // Get result type
    ResultType resultType = ResultType.CONTINUE;
    if (newPage == null) {
        resultType = ResultType.END;
    }
    return new ExportResult<>(resultType, photosContainerResource, continuationData);
}

Example 42 with IdOnlyContainerResource

use of org.datatransferproject.types.common.models.IdOnlyContainerResource in project data-transfer-project by google.

the class GooglePhotosExporter method export.

@Override
public ExportResult<PhotosContainerResource> export(UUID jobId, TokensAndUrlAuthData authData, Optional<ExportInformation> exportInformation) throws IOException, InvalidTokenException, PermissionDeniedException {
    if (!exportInformation.isPresent()) {
        // Make list of photos contained in albums so they are not exported twice later on
        populateContainedPhotosList(jobId, authData);
        return exportAlbums(authData, Optional.empty(), jobId);
    } else if (exportInformation.get().getContainerResource() instanceof PhotosContainerResource) {
        // in that container instead of the whole user library
        return exportPhotosContainer((PhotosContainerResource) exportInformation.get().getContainerResource(), authData);
    }
    /*
     * Use the export information to determine whether this export call should export albums or
     * photos.
     *
     * Albums are exported if and only if the export information doesn't hold an album
     * already, and the pagination token begins with the album prefix.  There must be a pagination
     * token for album export since this is isn't the first export operation performed (if it was,
     * there wouldn't be any export information at all).
     *
     * Otherwise, photos are exported. If photos are exported, there may or may not be pagination
     * information, and there may or may not be album information. If there is no container
     * resource, that means that we're exporting albumless photos and a pagination token must be
     * present. The beginning step of exporting albumless photos is indicated by a pagination token
     * containing only PHOTO_TOKEN_PREFIX with no token attached, in order to differentiate this
     * case for the first step of export (no export information at all).
     */
    StringPaginationToken paginationToken = (StringPaginationToken) exportInformation.get().getPaginationData();
    IdOnlyContainerResource idOnlyContainerResource = (IdOnlyContainerResource) exportInformation.get().getContainerResource();
    boolean containerResourcePresent = idOnlyContainerResource != null;
    boolean paginationDataPresent = paginationToken != null;
    if (!containerResourcePresent && paginationDataPresent && paginationToken.getToken().startsWith(ALBUM_TOKEN_PREFIX)) {
        return exportAlbums(authData, Optional.of(paginationToken), jobId);
    } else {
        return exportPhotos(authData, Optional.ofNullable(idOnlyContainerResource), Optional.ofNullable(paginationToken), jobId);
    }
}

Example 43 with IdOnlyContainerResource

use of org.datatransferproject.types.common.models.IdOnlyContainerResource in project data-transfer-project by google.

the class GooglePhotosExporter method exportPhotosContainer.

private ExportResult<PhotosContainerResource> exportPhotosContainer(PhotosContainerResource container, TokensAndUrlAuthData authData) throws IOException, InvalidTokenException, PermissionDeniedException {
    ImmutableList.Builder<PhotoAlbum> albumBuilder = ImmutableList.builder();
    ImmutableList.Builder<PhotoModel> photosBuilder = ImmutableList.builder();
    List<IdOnlyContainerResource> subResources = new ArrayList<>();
    for (PhotoAlbum album : container.getAlbums()) {
        GoogleAlbum googleAlbum = getOrCreatePhotosInterface(authData).getAlbum(album.getId());
        albumBuilder.add(new PhotoAlbum(googleAlbum.getId(), googleAlbum.getTitle(), null));
        // Adding subresources tells the framework to recall export to get all the photos
        subResources.add(new IdOnlyContainerResource(googleAlbum.getId()));
    }
    for (PhotoModel photo : container.getPhotos()) {
        GoogleMediaItem googleMediaItem = getOrCreatePhotosInterface(authData).getMediaItem(photo.getDataId());
        photosBuilder.add(convertToPhotoModel(Optional.empty(), googleMediaItem));
    }
    PhotosContainerResource photosContainerResource = new PhotosContainerResource(albumBuilder.build(), photosBuilder.build());
    ContinuationData continuationData = new ContinuationData(null);
    subResources.forEach(resource -> continuationData.addContainerResource(resource));
    return new ExportResult<>(ResultType.CONTINUE, photosContainerResource, continuationData);
}