public async Task AddCartItem(int customerId, CartViewModel vm)
{
var item = await CartItems.Include(i => i.Movie).FirstOrDefaultAsync(i => i.Movie.Id == vm.MovieId);
var movie = await MovieInfos.FirstOrDefaultAsync(i => i.Id == vm.MovieId);
if (item == null && movie != null)
{
await CartItems.AddAsync(new CartItem
{
CustomerId = customerId,
Movie = movie,
Paid = false,
Price = vm.Price,
ProvidedBy = vm.ProvidedBy
});
await SaveChangesAsync();
}
}