33 lines
No EOL
1.1 KiB
C#
33 lines
No EOL
1.1 KiB
C#
using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using MediatR;
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using Microsoft.EntityFrameworkCore;
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using ShoppingCartStarter.Server.Data;
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using ShoppingCartStarter.Shared.Cart.LineItem;
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namespace ShoppingCartStarter.Server.Endpoints.Cart.LineItem
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{
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public class DeleteHandler : AsyncRequestHandler<Delete.Command>
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{
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private readonly StoreContext _context;
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public DeleteHandler(StoreContext context)
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{
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_context = context;
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}
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protected override async Task Handle(Delete.Command request, CancellationToken cancellationToken)
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{
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// in reality we'd have more than one cart and would need to locate the correct one here
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// for the current user/session
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var cart = await _context.Carts.Include(x => x.LineItems)
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.FirstOrDefaultAsync(cancellationToken: cancellationToken);
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var toDelete = cart.LineItems.Single(x => x.Id == request.Id);
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cart.LineItems.Remove(toDelete);
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await _context.SaveChangesAsync(cancellationToken);
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}
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}
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} |