/// <summary>
/// Adds a new movie
/// </summary>
/// <param name="movie">Object of type "Movie"</param>
/// <returns>Flag indicating success / failure</returns>
public bool AddMovie(Movie movie)
{
ValidateMovie(movie);
if (_dataAccessLayer.MovieExists(movie.Code))
{
throw new ArgumentException($"A movie with the code '{movie.Code}' already exits.");
}
return(_dataAccessLayer.AddMovie(movie));
}