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WIP - Wrap event and added delegates to handle event lifetime
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51 changes: 51 additions & 0 deletions
51
src/Workleap.DomainEventPropagation.Subscription.PullDelivery/CloudEventHandler.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| using Azure.Messaging; | ||
| using Microsoft.Extensions.Logging; | ||
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| namespace Workleap.DomainEventPropagation; | ||
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| internal class CloudEventHandler : ICloudEventHandler | ||
| { | ||
| private readonly IDomainEventTypeRegistry _domainEventTypeRegistry; | ||
| private readonly ILogger<CloudEventHandler> _logger; | ||
| private readonly DomainEventHandlerDelegate _pipeline; | ||
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| public CloudEventHandler( | ||
| IDomainEventTypeRegistry domainEventTypeRegistry, | ||
| IEnumerable<IDomainEventBehavior> domainEventBehaviors, | ||
| ILogger<CloudEventHandler> logger) | ||
| { | ||
| this._domainEventTypeRegistry = domainEventTypeRegistry; | ||
| this._logger = logger; | ||
| this._pipeline = domainEventBehaviors.Reverse().Aggregate((DomainEventHandlerDelegate)HandleDomainEventAsync, BuildPipeline); | ||
| } | ||
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| public async Task HandleEventGridWebhookEventAsync(CloudEvent cloudEvent, AcknowledgeEventDelegate acknowledge, ReleaseEventDelegate release, RejectEventDelegate reject, CancellationToken cancellationToken) | ||
| { | ||
| var domainEventWrapper = new DomainEventWrapper(cloudEvent); | ||
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| var domainEventType = this._domainEventTypeRegistry.GetDomainEventType(domainEventWrapper.DomainEventName); | ||
| if (domainEventType == null) | ||
| { | ||
| this._logger.EventDomainTypeNotRegistered(domainEventWrapper.DomainEventName, cloudEvent.Subject ?? "Unknown"); | ||
| return; | ||
| } | ||
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| await this._pipeline(domainEventWrapper, acknowledge, release, reject, cancellationToken).ConfigureAwait(false); | ||
| } | ||
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| private static DomainEventHandlerDelegate BuildPipeline(DomainEventHandlerDelegate next, IDomainEventBehavior pipeline) | ||
| { | ||
| return (@event, acknowledge, release, reject, cancellationToken) => pipeline.HandleAsync(@event, acknowledge, release, reject, next, cancellationToken); | ||
| } | ||
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| private static Task HandleDomainEventAsync( | ||
| DomainEventWrapper domainEventWrapper, | ||
| AcknowledgeEventDelegate acknowledge, | ||
| ReleaseEventDelegate release, | ||
| RejectEventDelegate reject, | ||
| CancellationToken cancellationToken) | ||
| { | ||
| // Todo : Get event handler that matches wrapper type and invoke it | ||
| return Task.CompletedTask; | ||
| } | ||
| } |
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19 changes: 19 additions & 0 deletions
19
src/Workleap.DomainEventPropagation.Subscription.PullDelivery/ICloudEventHandler.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| using Azure.Messaging; | ||
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| namespace Workleap.DomainEventPropagation; | ||
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| internal delegate Task AcknowledgeEventDelegate(); | ||
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| internal delegate Task ReleaseEventDelegate(); | ||
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| internal delegate Task RejectEventDelegate(); | ||
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| internal interface ICloudEventHandler | ||
| { | ||
| Task HandleEventGridWebhookEventAsync( | ||
| CloudEvent cloudEvent, | ||
| AcknowledgeEventDelegate acknowledge, | ||
| ReleaseEventDelegate release, | ||
| RejectEventDelegate reject, | ||
| CancellationToken cancellationToken); | ||
| } |
19 changes: 19 additions & 0 deletions
19
src/Workleap.DomainEventPropagation.Subscription.PullDelivery/IDomainEventBehavior.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| namespace Workleap.DomainEventPropagation; | ||
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| internal delegate Task DomainEventHandlerDelegate( | ||
| DomainEventWrapper domainEventWrapper, | ||
| AcknowledgeEventDelegate acknowledge, | ||
| ReleaseEventDelegate release, | ||
| RejectEventDelegate reject, | ||
| CancellationToken cancellationToken); | ||
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| internal interface IDomainEventBehavior | ||
| { | ||
| Task HandleAsync( | ||
| DomainEventWrapper domainEventWrapper, | ||
| AcknowledgeEventDelegate acknowledge, | ||
| ReleaseEventDelegate release, | ||
| RejectEventDelegate reject, | ||
| DomainEventHandlerDelegate next, | ||
| CancellationToken cancellationToken); | ||
| } |
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