public void Add(Category obj)
{
try
{
db.Categories.Add(obj);//menambahkan data
db.SaveChanges();
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
public void Add(Author obj)
{
try
{
db.Authors.Add(obj);
db.SaveChanges();
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
public void UpdateCartID(string tempUsername, string username)
{
var results = from s in db.ShoppingCarts
where s.CartID == tempUsername
select s;
foreach (var sc in results)
{
sc.CartID = username;
}
db.SaveChanges();
}
public void Add(Book obj)
{
try
{
db.Books.Add(obj);
db.SaveChanges();
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
public void AddOrder(Order obj)
{
try
{
db.Orders.Add(obj);
db.SaveChanges();
}
catch (InvalidCastException e)
{
// Perform some action here, and then throw a new exception.
throw new Exception("Put your error message here.", e);
}
}
public void AddToCart(ShoppingCart sc)
{
var result = GetItemByUser(sc.CartID, sc.BookID);
if (result != null)
{
//ditambahi klo sudah ada
result.Quantity += 1;
}
else
{
db.ShoppingCarts.Add(sc);
}
try
{
db.SaveChanges();
}
catch (Exception ex)
{
throw new Exception(ex.Message, ex.InnerException);
}
}
public void Add(Book book)
{
db.Books.Add(book);
db.SaveChanges();
}