/// <summary>
/// Save suggestion to the database and to cache.
/// </summary>
/// <param name="suggestion"></param>
/// <returns></returns>
public Suggestion AddSuggestion(SuggestionDto suggestion)
{
var suggestionObject = new Suggestion();
suggestionObject.FromDto(suggestion);
// Repository might get a different object back.
// We will also let repository do the counting
suggestionObject = PersistSuggestion(suggestionObject);
var cachedData = GetCachedData();
cachedData.Insert(suggestionObject);
return(suggestionObject);
}