public async Task<List<Movie>> GetRecommendedMovies(string userID)
{
MongoDBManager mm = new MongoDBManager();
List<Movie> movies = new List<Movie>();
Dictionary<ObjectId, int> similarMovies = new Dictionary<ObjectId, int>();
UserInformation user = await mm.GetUserInformation(userID);
if (user == null)
{
return movies;
}
foreach (var movieLike in user.MovieLikes)
{
List<UserInformation> users = mm.GetAllUsersWithExceptCurrent(userID,movieLike);
foreach (var userFromDb in users)
{
foreach (var movie in userFromDb.MovieLikes)
{
if (!similarMovies.ContainsKey(movie.Id))
{
similarMovies.Add(movie.Id,0);
}
similarMovies[movie.Id]++;
}
}
}
var sortedSimilarMovies = from pair in similarMovies
orderby pair.Value descending
select pair;
int counter = 0;
foreach (var sortedSimilarMovie in sortedSimilarMovies)
{
if (user.MovieLikes.Exists(x => x.Id == sortedSimilarMovie.Key))
{
continue;
}
counter++;
movies.Add(await mm.GetMovie(sortedSimilarMovie.Key));
}
return movies;
}
public async Task<ActionResult> ShowUserMovies(int? page)
{
MongoDBManager mm = new MongoDBManager();
UserInformation user = await mm.GetUserInformation(User.Identity.GetUserId());
List<MovieListModel> movies = new List<MovieListModel>();
if (user.MovieLikes != null)
{
foreach (var userMovie in user.MovieLikes)
{
MovieListModel newMovie = new MovieListModel()
{
AvgUserRating = userMovie.UserRating,
ID = userMovie.Id,
Title = userMovie.Name
};
var movie = await mm.GetMovie(userMovie.Id);
newMovie.Poster = movie.Poster;
movies.Add(newMovie);
}
}
return View(movies.ToPagedList(page ?? 1, 12));
}
//
//show user information
public async Task<ActionResult> ShowUserInformation()
{
MongoDBManager mm = new MongoDBManager();
UserInformation user = await mm.GetUserInformation(User.Identity.GetUserId());
ShowUserInformationViewModel model = new ShowUserInformationViewModel()
{
Birthday = user.Birthday,
FirstName = user.FirstName,
LastName = user.LastName,
Email = user.Email
};
return View(model);
}
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;
}
