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);
}
