/// <inheritdoc cref="IMovieBase.AddMovie(string, int, string)"/>
public Movie AddMovie(string movieName, int durationMinutes, string genre)
{
Validator.ValidateMovieDuration(durationMinutes);
Validator.ValidateTextualInput(movieName, genre);
if (MovieExists(movieName))
{
throw new DuplicateKeyException(movieName, $"Movie with name {movieName} already exists!");
}
Movie newMovie = _movieDao.Create(movieName, durationMinutes, genre);
_movieCache[newMovie.Name] = newMovie;
return(newMovie);
}