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Possible fix for #21 - Same request/response twice in flow does not continue?

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This commit is contained in:
Frederik 2020-06-11 16:36:55 +02:00
parent c6700b2697
commit 13833040e8
4 changed files with 18 additions and 9 deletions
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7
Tapeti.Flow/Default/FlowContinuationMiddleware.cs
View File

@ -52,16 +52,19 @@ namespace Tapeti.Flow.Default
}
public async Task Cleanup(IMessageContext context, ConsumeResult consumeResult, Func<Task> next)
public async Task Cleanup(IControllerMessageContext context, ConsumeResult consumeResult, Func<Task> next)
{
await next();
if (!context.Get(ContextItems.FlowContext, out FlowContext flowContext))
return;
if (flowContext.ContinuationMetadata.MethodName != MethodSerializer.Serialize(context.Binding.Method))
// Do not call when the controller method was filtered, if the same message has two methods
return;
if (flowContext?.FlowStateLock != null)
{
// TODO do not call when the controller method was filtered, if the same message has two methods
if (!flowContext.IsStoredOrDeleted())
// The exception strategy can set the consume result to Success. Instead, check if the yield point
// was handled. The flow provider ensures we only end up here in case of an exception.

2
Tapeti/Config/IControllerCleanupMiddleware.cs
View File

@ -14,6 +14,6 @@ namespace Tapeti.Config
/// <param name="context"></param>
/// <param name="consumeResult"></param>
/// <param name="next">Always call to allow the next in the chain to clean up</param>
Task Cleanup(IMessageContext context, ConsumeResult consumeResult, Func<Task> next);
Task Cleanup(IControllerMessageContext context, ConsumeResult consumeResult, Func<Task> next);
}
}

2
Tapeti/Config/IControllerMessageContext.cs
View File

@ -7,7 +7,7 @@
public interface IControllerMessageContext : IMessageContext
{
/// <summary>
/// An instance of the controller referenced by the binding.
/// An instance of the controller referenced by the binding. Note: is null during Cleanup.
/// </summary>
object Controller { get; }

16
Tapeti/Default/ControllerMethodBinding.cs
View File

@ -1,4 +1,4 @@
using System;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
@ -182,10 +182,16 @@ namespace Tapeti.Default
/// <inheritdoc />
public async Task Cleanup(IMessageContext context, ConsumeResult consumeResult)
{
await MiddlewareHelper.GoAsync(
bindingInfo.CleanupMiddleware,
async (handler, next) => await handler.Cleanup(context, consumeResult, next),
() => Task.CompletedTask);
using (var controllerContext = new ControllerMessageContext(context)
{
Controller = null
})
{
await MiddlewareHelper.GoAsync(
bindingInfo.CleanupMiddleware,
async (handler, next) => await handler.Cleanup(controllerContext, consumeResult, next),
() => Task.CompletedTask);
}
}