private PostViewModel GetPostViewModelFromPost(Post post)
		{
			var viewModel = new PostViewModel
			                	{
			                		Post = post,
			                		Comments = from c in _commentsView.Query
			                		           where c.PostId == post.Id
			                		           select c
			                	};
			return viewModel;
		}
		private ISaga GetOrCreateSagaOfComments(Post post)
		{
			var key = string.Format("{0}_Comments", post.Id);
			if (HttpContext.Session[key] == null)
			{
				var saga = _sagaNarrator.Begin<SagaOfComments>();
				HttpContext.Session[key] = saga.Id;
				return saga;
			}
			else
			{
				var sagaId = (Guid)HttpContext.Session[key];
				return _sagaNarrator.Continue(sagaId);
			}
		}