public void Update(Music model)
{
if (model == null || model.Artist == null || model.Genre == null)
{
throw new ElementUpdateException <Music>(model, "Element incomplete.");
}
EntityModel.Music oldMusic = _context.Musics.Find(model.ID);
EntityModel.Artist artist = _mapper.Map <Artist, EntityModel.Artist>(model.Artist);
EntityModel.Genre genre = _mapper.Map <Genre, EntityModel.Genre>(model.Genre);
if (oldMusic == null)
{
throw new ElementUpdateException <Music>(model, "Element to update doesn't exist.");
}
oldMusic.Name = model.Name;
//oldMusic.Artist = artist;
oldMusic.ArtistID = (int)artist.ID;
//oldMusic.Genre = genre;
oldMusic.GenreID = (int)genre.ID;
try
{
_context.Musics.Update(oldMusic);
_context.SaveChanges();
}
catch (DbUpdateException ex)
{
throw new ElementUpdateException <Music>(model, "Element to update doesn't exist.", ex);
}
}
public void DeleteById(int id)
{
EntityModel.Music music = _context.Musics.Find(id);
if (music == null)
{
throw new ElementDeleteException <Music>(id, "Element to delete doesn't exist.");
}
try
{
_context.Musics.Remove(music);
_context.SaveChanges();
}
catch (DbUpdateException ex)
{
throw new ElementDeleteException <Music>(id, "Unable to delete.", ex);
}
}