public async Task <IActionResult> Edit(
[FromServices] IMemoryCache cache,
Album album,
CancellationToken requestAborted)
{
if (ModelState.IsValid)
{
album.Artist = await MusicStoreService.GetArtistAsync(album.ArtistId);
album.Genre = await MusicStoreService.GetGenreAsync(album.GenreId);
await MusicStoreService.UpdateAlbumAsync(album);
//Invalidate the cache entry as it is modified
cache.Remove(GetCacheKey(album.AlbumId));
return(RedirectToAction("Index"));
}
var genres = await MusicStoreService.GetGenresAsync();
var artists = await MusicStoreService.GetAllArtistsAsync();
ViewBag.GenreId = new SelectList(genres, "GenreId", "Name", album.GenreId);
ViewBag.ArtistId = new SelectList(artists, "ArtistId", "Name", album.ArtistId);
return(View(album));
}
public async Task <int> CreateOrderAsync(Order order)
{
decimal orderTotal = 0;
var cartItems = await GetCartItemsAsync();
order.OrderDetails = new List <OrderDetail>();
List <Album> albumUpdates = new List <Album>();
// Iterate over the items in the cart, adding the order details for each
foreach (var item in cartItems)
{
var album = await _musicStore.GetAlbumAsync(item.AlbumId);
album.OrderCount = +item.Count;
albumUpdates.Add(album);
var orderDetail = new OrderDetail
{
AlbumId = item.AlbumId,
OrderId = order.OrderId,
UnitPrice = album.Price,
Quantity = item.Count,
};
// Set the order total of the shopping cart
orderTotal += (item.Count * album.Price);
order.OrderDetails.Add(orderDetail);
}
// Set the order's total to the orderTotal count
order.Total = orderTotal;
//Add the Order
var result = await _orderProcessing.AddOrderAsync(order);
// Empty the shopping cart
await EmptyCartAsync();
// Update order count in albums
foreach (var a in albumUpdates)
{
await _musicStore.UpdateAlbumAsync(a);
}
// Return the OrderId as the confirmation number
return(result);
}