public void Upsert(Book item) { BookDataLayer.ShallowUpsert(item); foreach (var dbAuthor in item.Authors) { AuthorDataLayer.ShallowUpsert(dbAuthor); } }
public void Add(Book item) { item.Id = default; BookDataLayer.Add(item); foreach (var dbAuthor in item.Authors) { AuthorDataLayer.ShallowUpsert(dbAuthor); } }
public void Update(Book item) { if (item.Id == default) { throw new ArgumentException("It's impossible to update item without id"); } BookDataLayer.ShallowUpdate(item); foreach (var dbAuthor in item.Authors) { AuthorDataLayer.ShallowUpsert(dbAuthor); } }