public async Task <CartBookResponse> AddBookIntoCart(int userID, CartRequest cart)
{
try
{
if (userID <= 0 || cart.BookID == 0)
{
return(null);
}
else
{
return(await _cartRepository.AddBookIntoCart(userID, cart));
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
