src/Services/Ordering/Ordering.Infrastructure/MediatorExtension.cs

(完整代码) 707B

namespace Microsoft.eShopOnContainers.Services.Ordering.Infrastructure;

static class MediatorExtension
{
    public static async Task DispatchDomainEventsAsync(this IMediator mediator, OrderingContext ctx)
    {
        var domainEntities = ctx.ChangeTracker
            .Entries<Entity>()
            .Where(x => x.Entity.DomainEvents != null && x.Entity.DomainEvents.Any());

        var domainEvents = domainEntities
            .SelectMany(x => x.Entity.DomainEvents)
            .ToList();

        domainEntities.ToList()
            .ForEach(entity => entity.Entity.ClearDomainEvents());

        foreach (var domainEvent in domainEvents)
            await mediator.Publish(domainEvent);
    }
}

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