public static bool addAlbumGo(string albumTitle, Artist artist, int albumRating, string year, List <TrackInfo> tracks, out string message)
{
//Verify Album input fields, then add the Album and all associated tracks to the model.
bool isValid = true;
message = "";
int yr = 0;
int doesAlbumExist = CDCatalogManager.GetAlbums().Where(a => a.AlbumTitle.Equals(albumTitle)).Where(a => a.ArtistID.Equals(artist.ArtistID)).Count();
if (!(doesAlbumExist == 0))
{
isValid = false;
message += "An album by this artist with this title already exists in the database.\n";
}
if (!int.TryParse(year, out yr))
{
isValid = false;
message += "Year must be an integer.\n";
}
if (isValid)
{
Song song = new Song();
Album album = new Album();
album.AlbumTitle = albumTitle;
album.ArtistID = artist.ArtistID;
album.Rating = albumRating;
album.Year = yr;
CDCatalogManager.AddAlbum(album);
foreach (TrackInfo t in tracks)
{
song = new Song();
song.AlbumID = album.AlbumID;
song.ArtistID = t.artist.ArtistID;
song.GenreID = t.genreID;
song.Rating = t.rating;
song.SongTitle = t.title;
song.TrackLength = t.tracklength;
song.TrackNumber = t.tracknum;
CDCatalogManager.AddSong(song);
}
}
return(isValid);
}
public static bool AddSongGo(string title, Artist artist, Album album, string trackIn, Genre genre,
string minutes, string seconds, int rating, out string message)
{
//Validate the input fields from the AddSong window, then add the Song to the model.
bool isValid = true;
message = "";
int tracknum = 0;
int trackminutes = 0;
int trackseconds = 0;
int doesSongExist = CDCatalogManager.GetSongs().Where(s => s.SongTitle.Equals(title)).Where(
s => s.AlbumID.Equals(album.AlbumID)).Where(
s => s.ArtistID.Equals(artist.ArtistID)).Count();
if (doesSongExist != 0)
{
isValid = false;
message += "A Song by this Artist on this Album already exists in the database.";
}
if (title == "")
{
isValid = false;
message += "Song Title cannot be blank.\n";
}
if (null == artist)
{
isValid = false;
message += "Please select an Artist.\n";
}
if (null == album)
{
isValid = false;
message += "Please select an Album.\n";
}
if (!int.TryParse(trackIn, out tracknum) || tracknum < 0)
{
isValid = false;
message += "Track # must be a nonnegative integer.\n";
}
if (null == genre)
{
isValid = false;
message += "Please select a Genre.\n";
}
if (minutes != "")
{
if (!int.TryParse(minutes, out trackminutes) || trackminutes < 0)
{
isValid = false;
message += "Track minutes must be a nonnegative integer or blank.\n";
}
}
if (!int.TryParse(seconds, out trackseconds) || trackseconds < 1)
{
isValid = false;
message += "Track seconds must be a positive integer.\n";
}
if (isValid)
{
Song song = new Song();
song.SongTitle = title;
song.ArtistID = artist.ArtistID;
song.AlbumID = album.AlbumID;
song.TrackNumber = tracknum;
song.GenreID = genre.GenreID;
song.TrackLength = ((trackminutes * 60) + trackseconds);
song.Rating = rating;
CDCatalogManager.AddSong(song);
}
return(isValid);
}
