/// <summary>
/// Removes any movies from the list argument that are not tagged
/// with all of the provided tag names.
/// </summary>
/// <param name="movies"></param>
/// <param name="tagName"></param>
private List <string> FilterMoviesByTags(string[] tagNames)
{
var filterResults = new List <List <string> >();
foreach (var tagName in tagNames)
{
string baseTagName;
var word = _repo.GetWord(tagName);
if (word == null || String.IsNullOrEmpty(word.BaseWord))
{
baseTagName = tagName;
}
else
{
baseTagName = word.BaseWord;
}
var movieTags = _repo.GetMovieTagsByName(baseTagName);
var filterResult = new List <string>();
foreach (var movieTag in movieTags)
{
filterResult.Add(movieTag.ImdbId);
}
filterResults.Add(filterResult);
}
var movieIds = GetIntersection(filterResults);
return(movieIds);
}