/*
* Function to attempt log in to a user account
* @PARAMETERS: - song: the song to add
* @RETURNS: The User who has been logged in - null if unsuccesful
* @AUTHORS: Andrew Davis and Matt Malone
* NOTE - Commented code left in by Matt - just in case it breaks
*/
public bool doInsertTrack(Song song, ISession session)
{
try
{
// Call to initialise cluster connection
//init();
///
Guid tid = song.getSongID();
String artist = song.getArtist();
String album = song.getAlbum();
int year = song.getYear();
String genre = song.getGenre();
String file_loc = song.getFileLocation();
int length = song.getLength();
String trackname = song.getTrackName();
// Connect to cluster
//ISession session = cluster.Connect("maltmusic");
//Guid tid = Guid.NewGuid();
// Prepare and bind statement passing in username
String todo = ("insert into tracks (\n" +
"track_id, artist, album, year,genre, file_loc,length,track_name)\n" +
"values (:tid, :art,:alb,:yr,:gnr,:floc,:len,:tnm) if not exists");
PreparedStatement ps = session.Prepare(todo);
BoundStatement bs = ps.Bind(tid, artist, album, year, genre, file_loc, length, trackname);
// Execute Query
session.Execute(bs);
//session.Dispose();
return true;
// Catch exceptions
}
catch (Exception ex)
{
Console.WriteLine("SOMETHING WENT WRONG in INSERT TRACK: " + ex.Message);
return false;
}
}
/// <summary>
///
/// </summary>
/// <param name="playlist"></param>
/// <param name="song"></param>
/// <returns></returns>
public bool addSongToPlaylist(Playlist playlist, Song song)
{
try
{
// Call to initialise cluster connection
//init();
// Connect to cluster
ISession session = cluster.Connect("maltmusic");
// Prepare and bind statement passing in the relevant fields
String todo = ("insert into playlist (track_id,playlist_id,track_pos)\n" +
"values (:tid, :pid,:tpos) if not exists;");
PreparedStatement ps = session.Prepare(todo);
// Getting Appropriate ID's for query
Guid tid = song.getSongID();
Guid pid = playlist.getID();
// Matt - change this
// done
int pos = getListPos(session, tid, pid);
BoundStatement bs = ps.Bind(tid, pid, pos);
// Execute Query
session.Execute(bs);
return true;
// Catch exceptions
}
catch (Exception ex)
{
Console.WriteLine("SOMETHING WENT WRONG add to playlist: " + ex.Message);
return false;
}
}
public void removeSongFromPlaylist(Playlist playlist, Song song)
{
try
{
//init();
// Connect to cluster
ISession session = cluster.Connect("maltmusic");
// get playlist id
// get track id
Guid play_id = playlist.getID();
Guid track_id = song.getSongID();
String todo = "delete from playlist where playlist_id = :pid and track_id = :tid";
PreparedStatement ps = session.Prepare(todo);
BoundStatement bs = ps.Bind(play_id, track_id);
session.Execute(bs);
}
catch (Exception e)
{
Console.WriteLine("Removing from a plist broke " + e);
}
}