private int FilterIdeas(DocumentIdea[] ideas)
        {
            foreach (var filter in _filters)
            {
                ideas = filter.FilterIdeas(ideas).ToArray();
            }

            return ideas.Count();
        }
 public IEnumerable<DocumentIdea> FilterIdeas(DocumentIdea[] ideas)
 {
     foreach (var idea in ideas)
     {
         if (!idea.Tags.Any(a => a.Contains("severity")))
         {
             yield return idea;
         }
     }
 }
 private string FormatTags(DocumentIdea idea)
 {
     return String.Concat(String.Join(", ", MapTags(idea.Tags).OrderBy(a => a)));
 }