35 lines
1.3 KiB
C#
35 lines
1.3 KiB
C#
using Jambo.Domain.Exceptions;
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using Jambo.Domain.Model.Posts;
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using Jambo.Domain.Model.Posts.Events;
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using MediatR;
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using System;
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namespace Jambo.Consumer.Application.DomainEventHandlers.Posts
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{
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public class PostPublishedDomainEventHandler : IRequestHandler<PostPublishedDomainEvent>
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{
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private readonly IPostReadOnlyRepository postReadOnlyRepository;
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private readonly IPostWriteOnlyRepository postWriteOnlyRepository;
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public PostPublishedDomainEventHandler(
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IPostReadOnlyRepository postReadOnlyRepository,
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IPostWriteOnlyRepository postWriteOnlyRepository)
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{
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this.postReadOnlyRepository = postReadOnlyRepository ??
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throw new ArgumentNullException(nameof(postReadOnlyRepository));
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this.postWriteOnlyRepository = postWriteOnlyRepository ??
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throw new ArgumentNullException(nameof(postWriteOnlyRepository));
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}
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public void Handle(PostPublishedDomainEvent domainEvent)
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{
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Post post = postReadOnlyRepository.GetPost(domainEvent.AggregateRootId).Result;
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if (post.Version != domainEvent.Version)
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throw new TransactionConflictException(post, domainEvent);
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post.Apply(domainEvent);
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postWriteOnlyRepository.UpdatePost(post).Wait();
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}
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}
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}
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