public override async Task ProcessInternal(Post post, DirectoryInfo workDir, CancellationToken token, ILog log)
{
var allComments = await vkApiUtils.GetAllPagesAsync(vkApiUtils.Comments(post), 100, token, log);
log.Debug($"Post {post.Id} has {allComments.Count} comments");
var byDate = allComments
.OrderBy(c => c.Date)
.ToList();
await byDate.SaveHumanReadableText(filesystemTools, workDir, token, log);
var commentTasks = byDate
.Where(c => c.Attachments.Count > 0)
.Select(c => commentHandler.Process(c, workDir, token, log));
await Task.WhenAll(commentTasks);
}