Fixes for Bundle Routing

[brendankowitz]

Description

Fixes for Bundle Routing

This pull request includes changes to the src/Microsoft.Health.Fhir.Shared.Api/Features/Resources/Bundle/BundleRouter.cs and test/Microsoft.Health.Fhir.Shared.Tests.E2E/Rest/BundleEdgeCaseTests.cs files. The changes in BundleRouter.cs involve adding new dependencies, modifying the constructor to accommodate these dependencies, and refactoring the RouteAsync method. The changes in BundleEdgeCaseTests.cs involve adding a new test case.

Changes to BundleRouter.cs:

• Modified the BundleRouter constructor to include new parameters: TemplateBinderFactory parameterPolicies, IEnumerable<MatcherPolicy> matcherPolicies, and EndpointSelector endpointSelector. The constructor now also ensures these new parameters are not null.
• Refactored the RouteAsync method: The method is now asynchronous and includes changes to the logic for routing. The refactoring involves changes to the way route candidates are handled, the way the route endpoint is selected, and the way the selected endpoint is processed.

Changes to BundleEdgeCaseTests.cs:

• Added a new dependency: System.Net.
• Added a new test case: WhenProcessingABundle_IfItContainsHistoryEndpointRequests_ThenReturnTheResourcesAsExpected which tests the scenario where a bundle contains history endpoint requests.

Related issues

Addresses #3821, AB#119362

Testing

Describe how this change was tested.

FHIR Team Checklist

• Update the title of the PR to be succinct and less than 65 characters
• Add a milestone to the PR for the sprint that it is merged (i.e. add S47)
• Tag the PR with the type of update: Bug, Build, Dependencies, Enhancement, New-Feature or Documentation
• Tag the PR with Open source, Azure API for FHIR (CosmosDB or common code) or Azure Healthcare APIs (SQL or common code) to specify where this change is intended to be released.
• Tag the PR with Schema Version backward compatible or Schema Version backward incompatible or Schema Version unchanged if this adds or updates Sql script which is/is not backward compatible with the code.
• CI is green before merge
• Review squash-merge requirements

Semver Change (docs)

Patch

[brendankowitz]

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