public async Task <List <Movie> > GetRecommendedMovies(string userID) { MongoDBManager mm = new MongoDBManager(); List <Movie> movies = new List <Movie>(); Dictionary <string, int> genras = 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 = mm.GetMovie(movieLike.Id); * List<string> movieGenras = movie.Genre.Split(',').Select(x => x.Trim()).ToList(); * * if (parameters.Valid(movieGenras)) * { * movies.Add(movie); * } * * * } * return movies;*/ foreach (var movieLike in user.MovieLikes)//get user favourite genra { var movie = await mm.GetMovie(movieLike.Id); List <string> movieGenras = movie.Genres; foreach (var movieGenra in movieGenras) { if (!genras.ContainsKey(movieGenra)) { genras.Add(movieGenra, 0); } genras[movieGenra]++; } } var max = genras.Values.Max(); string favouriteGenre = ""; foreach (var genre in genras.Keys) { if (genras[genre] == max) { favouriteGenre = genre; break; } } movies = mm.GetMoviesWithGenre(favouriteGenre); 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); }
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); }