public IEnumerable <Topic> Get(bool includeReplies = false)
{
IQueryable <Topic> results;
if (includeReplies)
{
results = _repo.GetTopicsWithReplies();
}
else
{
results = _repo.GetTopics();
}
var topics = results
.OrderByDescending(t => t.Created)
.Take(25)
.ToList();
return(topics);
}