Get a File Preview

Call a method to get a file preview.

Call getFilePreview(repositoryId, repositoryFileId, formatType) with a formatType of Thumbnail to get the thumbnail format preview along with its respective URL and number of thumbnail renditions. For each thumbnail format, we show every rendition URL available.

final String gDriveRepositoryId = '0XCxx00000000ODGAY', gDriveFileId = 'document:1-zcA1BaeoQbo2_yNFiHCcK6QJTPmOke-kHFC4TYg3rk';
final ConnectApi.FilePreviewCollection previewsCollection = ConnectApi.ContentHub.getPreviews(gDriveRepositoryId, gDriveFileId);
for(ConnectApi.FilePreview filePreview : previewsCollection.previews){
   System.debug(String.format('Preview - URL: \'\'{0}\'\', format: \'\'{1}\'\', nbr of renditions for this format: {2}', new String[]{ filePreview.url, filePreview.format.name(),String.valueOf(filePreview.previewUrls.size())}));
   for(ConnectApi.FilePreviewUrl filePreviewUrl : filePreview.previewUrls){
      System.debug('-----> Rendition URL: ' + filePreviewUrl.previewUrl);
      }
}