/// <summary>
///
/// </summary>
/// <param name="title"></param>
/// <param name="artistId"></param>
/// <param name="albumId"></param>
/// <param name="trackNumber"></param>
/// <param name="songRating"></param>
/// <param name="trackLength"></param>
/// <param name="genreId"></param>
/// <returns></returns>
public static int AddSong(string title, int artistId, int albumId, int trackNumber, int songRating, int trackLength, int genreId)
{
var song = new CDCatalogEF.Song();
try
{
song.SongTitle = title;
song.ArtistID = artistId;
song.AlbumID = albumId;
song.SongTrackNumber = trackNumber;
song.SongRating = songRating;
song.SongTrackLength = trackLength;
song.GenreID = genreId;
using (var db = new CDCatalogEntities())
{
db.Songs.Add(song);
var resultCount = db.SaveChanges();
}
}
catch (Exception ex)
{
// Define a new top-level error message.
string str = "Adding the Song failed. " + ex.Message;
// Pop-up a messagebox with the message
MessageBox.Show(str);
}
var songId = song.ArtistID; //The song.ArtistID gets updated in the context as its saved
return(songId);
}
/// <summary>
///
/// </summary>
/// <param name="title"></param>
/// <param name="artistId"></param>
/// <param name="albumId"></param>
/// <param name="trackNumber"></param>
/// <param name="songRating"></param>
/// <param name="trackLength"></param>
/// <param name="genreId"></param>
/// <returns></returns>
public static bool UpdateSong(int songId, string title, int artistId, int albumId, int trackNumber, int songRating, int trackLength, int genreId)
{
var song = new CDCatalogEF.Song();
try
{
song.SongTitle = title;
song.ArtistID = artistId;
song.AlbumID = albumId;
song.SongTrackNumber = trackNumber;
song.SongRating = songRating;
song.SongTrackLength = trackLength;
song.GenreID = genreId;
using (var db = new CDCatalogEntities())
{
db.Songs.First(i => i.SongID == songId);
int resultCount = db.SaveChanges();
return(true); // Executes only if no exception
}
}
catch (Exception ex)
{
// Define a new top-level error message.
string str = "Adding the Song failed. " + ex.Message;
// Pop-up a messagebox with the message
MessageBox.Show(str);
}
return(false);
}
/// <summary>
///
/// </summary>
/// <param name="songId"></param>
/// <returns></returns>
public static bool DeleteSongById(int songId)
{
try
{
using (var db = new CDCatalogEntities())
{
CDCatalogEF.Song song = db.Songs.Where(n => n.Equals(songId)).Single();
db.Songs.Remove(song);
return(true); //if there is an exception, this won't run
}
}
catch (Exception ex)
{
// Define a new top-level error message.
string str = "Deleting the Song failed. " + ex.Message;
// Pop-up a messagebox with the message
MessageBox.Show(str);
}
return(false);
}
