TestMasstransitMeditor
continuous-integration/drone/push Build is passing Details

IRC_NewDev
hang 2024-10-04 17:54:55 +08:00
parent fea009bf0c
commit 874c8718b1
9 changed files with 176 additions and 17 deletions

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@ -134,7 +134,7 @@ builder.Services.AddDynamicWebApiSetup();
//AutoMapper
builder.Services.AddAutoMapperSetup();
//EF ORM QueryWithNoLock
builder.Services.AddEFSetup(_configuration,enviromentName);
builder.Services.AddEFSetup(_configuration, enviromentName);
//Http 响应压缩
builder.Services.AddResponseCompressionSetup();
//Swagger Api 文档
@ -151,15 +151,17 @@ builder.Services.AddJWTAuthSetup(_configuration);
builder.Services.AddMediator(cfg =>
{
cfg.AddConsumer<ConsistencyCheckConsumer>();
cfg.AddConsumer<AddUserLogTriggerConsumer>();
cfg.AddConsumer<AddSubjectTriggerConsumer>();
cfg.AddConsumer<AddSubjectTriggerConsumer2>();
//cfg.ConfigureMediator((context, cfg) => cfg.UseHttpContextScopeFilter(context));
});
// 添加 MassTransit 和 InMemory 传输
//添加 MassTransit 和 InMemory 传输
builder.Services.AddMassTransit(cfg =>
{
// 注册消费者
//cfg.AddConsumer<AddSubjectTriggerConsumer>(); // 替换为你的消费者类
cfg.AddConsumer<AddSubjectTriggerConsumer>(); // 替换为你的消费者类
cfg.AddConsumer<AddSubjectTriggerConsumer2>();
// 使用 InMemory 作为消息传递机制
cfg.UsingInMemory((context, cfg) =>
@ -167,9 +169,8 @@ builder.Services.AddMassTransit(cfg =>
// 这里可以进行额外的配置
cfg.ConfigureEndpoints(context); // 自动配置所有消费者的端点
});
});
#endregion
@ -211,6 +212,7 @@ builder.Services.AddSingleton<ISearcher>(new Searcher(CachePolicy.Content, Path.
//builder.Services.AddExceptionHandler<GlobalExceptionHandler>();
//builder.Services.AddProblemDetails();
#region 历史废弃配置
//builder.Services.AddMemoryCache();
////上传限制 配置

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@ -71,7 +71,6 @@
<PackageReference Include="RestSharp" Version="112.0.0" />
<PackageReference Include="SixLabors.ImageSharp" Version="3.1.5" />
<PackageReference Include="Swashbuckle.AspNetCore.Filters" Version="8.0.2" />
<PackageReference Include="MassTransit.AspNetCore" Version="7.3.1" />
<PackageReference Include="ZiggyCreatures.FusionCache" Version="1.3.0" />
</ItemGroup>

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@ -12676,6 +12676,11 @@
<param name="_trialRepository"></param>
<param name="_mapper"></param>
</member>
<member name="T:IRaCIS.Core.Application.MassTransit.Consumer.MediatorHttpContextScopeFilterExtensions">
<summary>
参考链接https://github.com/MassTransit/MassTransit/discussions/2498
</summary>
</member>
<member name="T:IRaCIS.Core.Application.ViewModel.TaskAllocationRuleView">
<summary> TaskAllocationRuleView 列表视图模型 </summary>
</member>

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@ -3,10 +3,15 @@
using AutoMapper;
using IRaCIS.Core.Domain;
using MassTransit;
using Microsoft.AspNetCore.Http;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
namespace IRaCIS.Core.Application.MassTransit.Consumer;
/// <summary>
/// 添加Subject 触发添加访视 不能代替 Trigger,稽查BatchId 不一致
/// 因为消费者这里的数据库上下文 和消息发送者上下文不是同一个,相当于两个独立的事务
@ -25,7 +30,7 @@ public class AddSubjectTriggerConsumer(IRepository<SubjectVisit> _subjectVisitRe
{
var addSubjectEvent = context.Message;
{
Console.WriteLine(_visitStageRepository._dbContext.GetHashCode());
@ -53,3 +58,44 @@ public class AddSubjectTriggerConsumer(IRepository<SubjectVisit> _subjectVisitRe
await _subjectVisitRepository.AddRangeAsync(svList);
}
}
public class AddSubjectTriggerConsumer2(IRepository<SubjectVisit> _subjectVisitRepository,
IRepository<VisitStage> _visitStageRepository,
IRepository<Trial> _trialRepository,
IMapper _mapper) : IConsumer<AddSubjectTriggerCommand2>
{
public async Task Consume(ConsumeContext<AddSubjectTriggerCommand2> context)
{
var addSubjectEvent = context.Message;
{
Console.WriteLine(_visitStageRepository._dbContext.GetHashCode());
Console.WriteLine("两个 DbContext 不是同一个实例");
}
//添加受试者的时候,获取访视计划列表,添加到受试者访视表。
var visitPlanList = await _visitStageRepository.Where(t => t.TrialId == addSubjectEvent.TrialId && t.IsConfirmed).ToListAsync();
var svList = _mapper.Map<List<SubjectVisit>>(visitPlanList);
var IsEnrollementQualificationConfirm = await _trialRepository.Where(t => t.Id == addSubjectEvent.TrialId).Select(u => u.IsEnrollementQualificationConfirm).FirstOrDefaultAsync();
svList.ForEach(t =>
{
t.SubjectId = addSubjectEvent.SubjectId;
t.TrialId = addSubjectEvent.TrialId;
t.TrialSiteId = addSubjectEvent.TrialSiteId;
t.IsEnrollmentConfirm = t.IsBaseLine ? IsEnrollementQualificationConfirm : false;
t.Id = NewId.NextGuid();
});
await _subjectVisitRepository.AddRangeAsync(svList);
}
}

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@ -0,0 +1,83 @@

using IRaCIS.Core.Application.MassTransit.Consumer;
using MassTransit;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
namespace IRaCIS.Core.Application.MassTransit.Consumer;
/// <summary>
/// 参考链接https://github.com/MassTransit/MassTransit/discussions/2498
/// </summary>
public static class MediatorHttpContextScopeFilterExtensions
{
public static void UseHttpContextScopeFilter(this IMediatorConfigurator configurator, IServiceProvider serviceProvider)
{
var filter = new HttpContextScopeFilter(serviceProvider.GetRequiredService<IHttpContextAccessor>());
configurator.ConfigurePublish(x => x.UseFilter(filter));
configurator.ConfigureSend(x => x.UseFilter(filter));
configurator.UseFilter(filter);
}
}
public class HttpContextScopeFilter :
IFilter<PublishContext>,
IFilter<SendContext>,
IFilter<ConsumeContext>
{
private readonly IHttpContextAccessor _httpContextAccessor;
public HttpContextScopeFilter(IHttpContextAccessor httpContextAccessor)
{
_httpContextAccessor = httpContextAccessor;
}
private void AddPayload(PipeContext context)
{
if (_httpContextAccessor.HttpContext == null)
return;
var serviceProvider = _httpContextAccessor.HttpContext.RequestServices;
context.GetOrAddPayload(() => serviceProvider);
context.GetOrAddPayload<IServiceScope>(() => new NoopScope(serviceProvider));
}
public Task Send(PublishContext context, IPipe<PublishContext> next)
{
AddPayload(context);
return next.Send(context);
}
public Task Send(SendContext context, IPipe<SendContext> next)
{
AddPayload(context);
return next.Send(context);
}
public Task Send(ConsumeContext context, IPipe<ConsumeContext> next)
{
AddPayload(context);
return next.Send(context);
}
public void Probe(ProbeContext context)
{
}
private class NoopScope :
IServiceScope
{
public NoopScope(IServiceProvider serviceProvider)
{
ServiceProvider = serviceProvider;
}
public void Dispose()
{
}
public IServiceProvider ServiceProvider { get; }
}
}

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@ -16,6 +16,7 @@ using Medallion.Threading;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using MiniExcelLibs;
@ -126,7 +127,11 @@ namespace IRaCIS.Core.Application.Service
}
//My project is a monolithic project,And the efcore context repository is scoped registered.
public async Task<IResponseOutput> TestMasstransitMeditor([FromServices] IScopedMediator _mediator, [FromServices] IRepository<TestLength> _testLengthRepository)
public async Task<IResponseOutput> TestMasstransitMeditor(
[FromServices] IScopedMediator _mediatorScoped,
[FromServices] IMediator _mediator,
[FromServices] IRepository<TestLength> _testLengthRepository
)
{
var dbContext = _testLengthRepository._dbContext;
@ -143,12 +148,13 @@ namespace IRaCIS.Core.Application.Service
}
// add 1 recored
await _testLengthRepository.AddAsync(new TestLength() { Name = "xxxx" });
// The consumer method will inject the repository and add 3 pieces of data, but the savechanges method of the repository will not be called
await _mediator.Send(new AddSubjectTriggerCommand { SubjectId = Guid.Empty });
await _mediatorScoped.Send(new AddSubjectTriggerCommand { SubjectId = Guid.Empty });
await _mediator.Send(new AddSubjectTriggerCommand2 { SubjectId = Guid.Empty });
// this will save 1 record not 4 record ,Why is the dbcontext different? Can it be in the same transaction?
await _testLengthRepository.SaveChangesAsync();

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@ -14,3 +14,11 @@ public class AddSubjectTriggerCommand : DomainCommand
public Guid TrialSiteId { get; set; }
}
public class AddSubjectTriggerCommand2
{
public Guid SubjectId { get; set; }
public Guid TrialId { get; set; }
public Guid TrialSiteId { get; set; }
}

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@ -11,7 +11,12 @@ using System.Data;
namespace IRaCIS.Core.Infra.EFCore;
/// <summary>
/// ef 官方文档 :https://learn.microsoft.com/zh-cn/ef/core/logging-events-diagnostics/interceptors
/// </summary>
/// <param name="_userInfo"></param>
/// <param name="_logger"></param>
/// <param name="_mediator"></param>
public class AuditEntityInterceptor(IUserInfo _userInfo,
ILogger<AuditEntityInterceptor> _logger
, IMediator _mediator
@ -28,7 +33,7 @@ public class AuditEntityInterceptor(IUserInfo _userInfo,
public override ValueTask<InterceptionResult<int>> SavingChangesAsync(DbContextEventData eventData,
InterceptionResult<int> result, CancellationToken cancellationToken = default)
{
//////领域命令 同一个事务提交的一些逻辑类似Trigger 保存事务之前执行的一些逻辑)
//////领域命令 同一个事务提交的一些逻辑类似Trigger 保存事务之前执行的一些逻辑) IMediator 和autofac 有冲突,不在一个事务,废弃。
//eventData.Context.AddDomainCommands();
//await DispatchDomainCommands(eventData.Context);

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@ -1,14 +1,19 @@
using IRaCIS.Core.Domain;
using IRaCIS.Core.Domain.Models;
using MassTransit;
using MassTransit.Mediator;
using Microsoft.EntityFrameworkCore.Diagnostics;
using System.Data;
namespace IRaCIS.Core.Infra.EFCore.Interceptor
{
// ISendEndpoint提供了Send方法用于发送命令。
//IPublishEndpoint提供了Publish方法用于发布事件。
public class DispatchDomainEventsInterceptor(IPublishEndpoint publishEndpoint) : SaveChangesInterceptor
// 命令Command是一种定向的消息应该由一个特定的接收者处理。用 Send 发送。
// 事件Event是一种广播式消息可以有多个订阅者接收并处理。用 Publish 发布。
// IPublishEndpoint提供了Publish方法用于发布事件,该接口仅负责发布消息,不会依赖于接收者的存在,发布者和消费者可以是完全分离的
// IMediator 适用于单进程内的消息传递,不涉及外部消息中间件(如 RabbitMQ、Azure Service Bus 等) 使用本地的内存队列,而不是跨进程消息传递,适合轻量级、无中间件的场景
// 发件箱模式参考: https://dev.to/antonmartyniuk/use-masstransit-to-implement-outbox-pattern-with-ef-core-and-mongodb-oep#:~:text=MongoDB%20replica%20set%20is%20required%20for%20both%20publisher%20and%20consumer
// 1、IPublishEndpoint 才会将事件存储到发件箱表中, 高级IBus接口时 - 消息不会存储在发件箱中必须有savechanges 才会一起提交保存到数据库中
public class DispatchDomainEventsInterceptor(IMediator _mediator) : SaveChangesInterceptor
{
//领域事件通常与数据变更密切相关。如果在 SaveChanges 之前发布事件,有可能事件发布时的数据状态还没有被持久化到数据库。这可能导致事件消费者看到的是一个不一致的状态
@ -52,7 +57,7 @@ namespace IRaCIS.Core.Infra.EFCore.Interceptor
//这种方式会导致消息没处理
//await publishEndpoint.Publish(domainEvent);
await publishEndpoint.Publish(domainEvent.GetType(), domainEvent);
await _mediator.Publish(domainEvent.GetType(), domainEvent);
}
}