コード例 #1
0
        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);
        }
コード例 #2
0
        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);
        }