示例#1
0
 private void button1_Click(object sender, EventArgs e)
 {
     Recommendations r = new Recommendations(null);
     r.ShowDialog();
 }
示例#2
0
        private void picRecommend_Click(object sender, EventArgs e)
        {
            SongModel songModel = new SongModel();
            List<Song> songList = songModel.getAllSongs();

            List<Song> songsInPlaylist = thePlaylist.getSongs();

            // get all artists

            List<String> artists = new List<String>();

            for (int i = 0; i < thePlaylist.getSongs().Count; i++)
            {
                String artist = thePlaylist.getSongs()[i].getArtist();

                if (!artists.Contains(artist))
                {
                    artists.Add(thePlaylist.getSongs()[i].getArtist());
                }
            }

            List<Song> suitableSongs = songList.Where(song => artists.Contains(song.getArtist())).ToList();

            // get all genres
            List<String> genres = new List<String>();

            for (int i = 0; i < thePlaylist.getSongs().Count; i++)
            {
                if (!genres.Contains(thePlaylist.getSongs()[i].getGenre()))
                {
                    genres.Add(thePlaylist.getSongs()[i].getGenre());
                }
            }

            List<Song> matchingGenres = songList.Where(song => genres.Contains(song.getGenre())).ToList();

            for (int i = 0; i < matchingGenres.Count; i++)
            {
                suitableSongs.Add(matchingGenres[i]);
            }

            // Remove songs that already exist in playlist
            for (int j = 0; j < suitableSongs.Count; j++)
            {
                for (int i = 0; i < songsInPlaylist.Count; i++)
                {
                    if (suitableSongs[j].getSongID().Equals(songsInPlaylist[i].getSongID()))
                    {
                        suitableSongs.RemoveAt(j);
                        if (j > 0)
                        {
                            j--;
                        }
                        else
                        {
                            j = -1;
                        }
                        break;
                    }
                }
            }

            // GET SONGS

            List<Song> selectedSongs = new List<Song>();

            while (selectedSongs.Count < 5 && suitableSongs.Count > 0)
            {
                Random r = new Random();
                bool add = true;
                int index = r.Next(0, suitableSongs.Count-1);

                for (int i = 0; i < selectedSongs.Count; i++)
                {
                    if (selectedSongs[i].getSongID().Equals(suitableSongs[index].getSongID()))
                    {
                        add = false;
                        suitableSongs.RemoveAt(index);
                        break;
                    }
                }

                if (add)
                {
                    selectedSongs.Add(suitableSongs[index]);
                    suitableSongs.RemoveAt(index);
                }
            }

            Recommendations recommendations = new Recommendations(this);
            recommendations.setSongs(selectedSongs, thePlaylist);
            recommendations.createAlbums();
            recommendations.ShowDialog();
        }