/// <summary>
/// Removes all movies from the list argument that do not have all of the
/// actors that are specified in the argument.
/// </summary>
/// <param name="movies"></param>
/// <param name="actorName"></param>
private List <string> FilterMoviesByActors(string[] actorNames)
{
var filterResults = new List <List <string> >();
foreach (var actorName in actorNames)
{
var actor = _repo.GetActor(actorName);
if (actor != null)
{
var movieActors = _repo.GetMovieActorsById(actor.ActorId);
var filterResult = new List <string>();
foreach (var movieActor in movieActors)
{
filterResult.Add(movieActor.ImdbId);
}
filterResults.Add(filterResult);
}
}
var movieIds = GetIntersection(filterResults);
return(movieIds);
}