public static void Delete(User user)
 {
     using (AuguryEntities ctx = new AuguryEntities()) {
         ctx.Users.Remove(user);
         ctx.SaveChanges();
     }
 }
 public static void Create(User user)
 {
     using (AuguryEntities ctx = new AuguryEntities()) {
         ctx.Users.Add(user);
         ctx.SaveChanges();
     }
 }
 public static void Update(User user)
 {
     using (AuguryEntities ctx = new AuguryEntities()) {
         User userToUpdate = ctx.Users.First(u => u.Id == user.Id);
         userToUpdate.Email = user.Email;
         userToUpdate.Firstname = user.Firstname;
         userToUpdate.Lastname = user.Lastname;
         ctx.SaveChanges();
     }
 }