public async Task <ShoppingCartDto> Handle(GetCartQuery request, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
Domain.Entities.ShoppingCart?shoppingCart = await applicationDataContext
.ShoppingCarts
.AsQueryable()
.Include(sc => sc.Discounts)
.FirstAsync();
System.Collections.Generic.IEnumerable <Domain.Entities.ShoppingCartItem>?shoppingCartItems = applicationDataContext.ShoppingCartItems
.Include(sci => sci.Product)
.Include(sci => sci.ProductVariant)
.AsEnumerable();
decimal total = 0;
foreach (Domain.Entities.ShoppingCartItem?item in shoppingCartItems)
{
if (item.ProductVariant != null)
{
total += await priceService.GetProductPriceAsync(shoppingCart.Discounts, item.ProductVariant) * item.Quantity;
}
else
{
total += await priceService.GetProductPriceAsync(shoppingCart.Discounts, item.Product) * item.Quantity;
}
}
return(new ShoppingCartDto()
{
Items = mapper.ProjectTo <ShoppingCartItemDto>(shoppingCartItems.AsQueryable()),
Total = total
});
}
/// <summary>
/// Applies the cursor pagination algorithm to the <paramref name="enumerable"/>.
/// </summary>
/// <param name="enumerable">
/// The enumerable on which the the cursor pagination algorithm shall be applied to.
/// </param>
/// <param name="context">
/// The field resolver context.
/// </param>
/// <param name="defaultPageSize">
/// The default page size if no boundaries are set.
/// </param>
/// <param name="totalCount">
/// The total count if already known.
/// </param>
/// <param name="cancellationToken">
/// The cancellation token.
/// </param>
/// <typeparam name="TEntity">
/// The entity type.
/// </typeparam>
/// <returns>
/// Returns a connection instance that represents the result of applying the
/// cursor paging algorithm to the provided <paramref name="enumerable"/>.
/// </returns>
public static ValueTask <Connection <TEntity> > ApplyCursorPaginationAsync <TEntity>(
this System.Collections.Generic.IEnumerable <TEntity> enumerable,
IResolverContext context,
int?defaultPageSize = null,
int?totalCount = null,
CancellationToken cancellationToken = default)
=> ApplyCursorPaginationAsync(
enumerable.AsQueryable(),
context,
defaultPageSize,
totalCount,
cancellationToken);