public async Task <List <Movie> > GetRecommendedMovies(string userID)
{
MongoDBManager mm = new MongoDBManager();
List <Movie> movies = new List <Movie>();
Dictionary <string, int> actors = new Dictionary <string, int>();
UserInformation user = await mm.GetUserInformation(userID);
if (user == null)
{
return(movies);
}
foreach (var movieLike in user.MovieLikes)//get user favourite genra
{
var movie = await mm.GetMovie(movieLike.Id);
List <string> movieActors = movie.Actors;
foreach (var movieActor in movieActors)
{
if (!actors.ContainsKey(movieActor))
{
actors.Add(movieActor, 0);
}
actors[movieActor]++;
}
}
var max = actors.Values.Max();
string favouriteActor = "";
foreach (var actor in actors.Keys)
{
if (actors[actor] == max)
{
favouriteActor = actor;
break;
}
}
movies = await mm.GetMoviesWithActor(favouriteActor);
List <Movie> moviesWithoutUserLiked = new List <Movie>();
foreach (var movie in movies)
{
bool exist = false;
foreach (var userLiked in user.MovieLikes)
{
if (userLiked.Id == movie.ID)
{
exist = true;
break;
}
}
if (!exist)
{
moviesWithoutUserLiked.Add(movie);
}
}
MoviesSort ms = new MoviesSort();
moviesWithoutUserLiked.Sort(ms);
return(moviesWithoutUserLiked);
}
