46 lines
1.7 KiB
C#
46 lines
1.7 KiB
C#
using Jambo.Producer.Application.Commands;
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using Jambo.Producer.Application.Commands.Blogs;
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using Jambo.Producer.Application.Commands.Posts;
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using Jambo.Domain.Model.Blogs;
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using Jambo.Domain.Model.Posts;
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using Jambo.Domain.ServiceBus;
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using MediatR;
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using System;
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using System.Threading.Tasks;
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namespace Jambo.Producer.Application.CommandHandlers.Posts
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{
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public class CreatePostCommandHandler : IAsyncRequestHandler<CreatePostCommand, Guid>
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{
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private readonly IPublisher bus;
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private readonly IPostReadOnlyRepository postReadOnlyRepository;
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private readonly IBlogReadOnlyRepository blogReadOnlyRepository;
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public CreatePostCommandHandler(
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IPublisher bus,
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IPostReadOnlyRepository postReadOnlyRepository,
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IBlogReadOnlyRepository blogReadOnlyRepository)
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{
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this.bus = bus ??
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throw new ArgumentNullException(nameof(bus));
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this.postReadOnlyRepository = postReadOnlyRepository ??
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throw new ArgumentNullException(nameof(postReadOnlyRepository));
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this.blogReadOnlyRepository = blogReadOnlyRepository ??
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throw new ArgumentNullException(nameof(blogReadOnlyRepository));
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}
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public async Task<Guid> Handle(CreatePostCommand command)
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{
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Blog blog = await blogReadOnlyRepository.GetBlog(command.BlogId);
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Post post = Post.Create();
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post.Start(command.BlogId, blog.Version);
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post.UpdateContent(Title.Create(command.Title), Content.Create(command.Content));
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await bus.Publish(post.GetEvents(), command.Header);
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return post.Id;
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}
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}
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}
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