public List <int> Test()
{
SongModel sharedSong = new SongModel();
SongModel privateSong = new SongModel();
sharedSong.SongId = 1000;
privateSong.SongId = 500;
PlaylistModel playlistModel = new PlaylistModel();
playlistModel.PlaylistId = 1;
playlistModel.Songs.Add(new Models.BridgeModel.PlaylistSongModel()
{
PlaylistId = playlistModel.PlaylistId, SongId = sharedSong.SongId
});
playlistModel.Songs.Add(new Models.BridgeModel.PlaylistSongModel()
{
PlaylistId = playlistModel.PlaylistId, SongId = privateSong.SongId
});
PlaylistModel secondPlaylistModel = new PlaylistModel();
secondPlaylistModel.PlaylistId = 2;
secondPlaylistModel.Songs.Add(new Models.BridgeModel.PlaylistSongModel()
{
PlaylistId = secondPlaylistModel.PlaylistId, SongId = sharedSong.SongId
});
secondPlaylistModel.Songs.Add(new Models.BridgeModel.PlaylistSongModel()
{
PlaylistId = secondPlaylistModel.PlaylistId, SongId = privateSong.SongId
});
PlaylistModel targetPlaylistModel = new PlaylistModel();
targetPlaylistModel.PlaylistId = 3;
targetPlaylistModel.Songs.Add(new Models.BridgeModel.PlaylistSongModel()
{
PlaylistId = targetPlaylistModel.PlaylistId, SongId = sharedSong.SongId
});
suggestionAlgorithm.Train(new List <PlaylistModel>()
{
playlistModel,
secondPlaylistModel
});
List <int> songs = suggestionAlgorithm.Suggset(targetPlaylistModel);
return(songs);
}
public IActionResult Suggest(int?id)
{
if (!id.HasValue)
{
return(RedirectToAction("Display", "SongModels"));
}
PlaylistModel targetPlaylistModel = _context.Playlists.Where(p => p.PlaylistId == id.Value).FirstOrDefault();
if (targetPlaylistModel == null)
{
return(NotFound());
}
_algo.Train(_context.Playlists.Where(p => p.PlaylistId != id.Value).ToList());
List <int> songList = _algo.Suggset(targetPlaylistModel);
List <SongModel> songModels = _context.Songs.Where(s => songList.Contains(s.SongId)).ToList();
ViewData["SongList"] = songModels;
ViewData["Target"] = targetPlaylistModel;
return(View("~/Views/PlaylistModels/SuggestView.cshtml"));
}