public Playlist GetPlaylist(int playlistId)
{
Playlist requestedPlaylist;
try
{
// A bit taken on faith. Safer would be to check for rows returned, possibly for exactly one row.
DataRow playlist = DataAccess.DataAccess.GetTable("GetPlaylist", new Dictionary <string, object> {
{ "PlaylistId", playlistId }
}).Rows[0];
requestedPlaylist = new Playlist();
PlaylistDescriptor descriptor = new PlaylistDescriptor();
descriptor.playlistId = Int32.Parse(playlist["PlaylistId"].ToString());
descriptor.name = playlist["Name"].ToString();
descriptor.description = playlist["Description"].ToString();
requestedPlaylist.descriptor = descriptor;
// Add list of songs
DataTable songTable = DataAccess.DataAccess.GetTable("GetPlaylistSongs", new Dictionary <string, object> {
{ "PlaylistId", playlistId }
});
Song currentSong;
foreach (DataRow r in songTable.Rows)
{
currentSong = new Song()
{
songId = Int32.Parse(r["SongId"].ToString()),
title = r["Title"].ToString(),
artist = r["Artist"].ToString(),
lyrics = r["Lyrics"].ToString()
};
requestedPlaylist.songs.Add(currentSong);
}
}
catch (Exception ex)
{
Logging.Log.ToDB($"Error attempting to retrieve playlist for ID {playlistId}. Details:\n{ex.Message}");
requestedPlaylist = null;
}
return(requestedPlaylist);
}
public List <PlaylistDescriptor> GetPlaylists()
{
List <PlaylistDescriptor> playlists = new List <PlaylistDescriptor>();
PlaylistDescriptor playlist;
try
{
DataTable playlistTable = DataAccess.DataAccess.GetTable("GetPlaylists", new Dictionary <string, object>());
foreach (DataRow r in playlistTable.Rows)
{
playlist = new PlaylistDescriptor();
playlist.playlistId = Int32.Parse(r["PlaylistId"].ToString());
playlist.name = r["Name"].ToString();
playlist.description = r["Description"].ToString();
playlists.Add(playlist);
}
}
catch (Exception ex)
{
Logging.Log.ToDB($"Error attempting to retrieve playlists. Details:\n{ex.Message}");
playlists = null;
}
return(playlists);
}
public Song GetSong(int songId)
{
Song requestedSong;
PlaylistDescriptor playlist;
try
{
DataRow song = DataAccess.DataAccess.GetTable("GetSong", new Dictionary <string, object> {
{ "SongId", songId }
}).Rows[0];
requestedSong = new Song();
requestedSong.songId = Int32.Parse(song["SongId"].ToString());
requestedSong.title = song["Title"].ToString();
requestedSong.artist = song["Artist"].ToString();
requestedSong.lyrics = song["Lyrics"].ToString();
DataTable member = DataAccess.DataAccess.GetTable("GetSongPlaylist", new Dictionary <string, object> {
{ "SongId", songId }
});
requestedSong.membership = new List <PlaylistDescriptor>();
foreach (DataRow dr in member.Rows)
{
playlist = new PlaylistDescriptor();
playlist.playlistId = Int32.Parse(dr["PlaylistId"].ToString());
playlist.name = dr["Name"].ToString();
playlist.description = dr["Description"].ToString();
requestedSong.membership.Add(playlist);
}
}
catch (Exception ex)
{
Logging.Log.ToDB($"Error attempting to retrieve song for SongID {songId}. Details:\n{ex.Message}");
requestedSong = null;
}
return(requestedSong);
}
public Playlist()
{
descriptor = new PlaylistDescriptor();
songs = new List <Song>();
}