public void AddCourse(cours cours, int quantity) { var line = _cardLines.FirstOrDefault(i => i.cours.courseID == cours.courseID); if (line == null) { _cardLines.Add(new CartLine() { cours = cours, Quantity = quantity }); } else { line.Quantity += quantity; } }
public void DeleteCourse(cours cours) { _cardLines.RemoveAll(i => i.cours.courseID == cours.courseID); }