GET events/api/v1/app/party with invalid SSN returns 500

[eskebab]

Added format ssn/nin validation similar to what has been applied in the Notifications API:
https://github.com/Altinn/altinn-notifications/blob/c661a72206cf4fd62874770fed4f758c7146be9a/components/api/src/Altinn.Notifications/Validators/Rules/RecipientRules.cs#L183

Including tests

Description

See issue for description

Related Issue(s)

• GET events/api/v1/app/party with invalid SSN returns 500 #751

Verification

• Your code builds clean without any errors or warnings
• Manual testing done (required)
• Relevant automated test added (if you find this hard, leave it and we'll help out)
• All tests run green

Documentation

• User documentation is updated with a separate linked PR in altinn-studio-docs. (if applicable)

Summary by CodeRabbit

• Bug Fixes
  • Improved validation for person identifiers when retrieving party events.
  • Requests with non-numeric values or identifiers that are not exactly 11 digits now return a clear HTTP 400 validation error.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 6aae51ce-7314-4c1f-864b-66af016724e3

📥 Commits

Reviewing files that changed from the base of the PR and between d7232ac and da63435.

📒 Files selected for processing (2)

• src/Events/Controllers/AppController.cs
• test/Altinn.Platform.Events.Tests/TestingControllers/AppControllerTests.cs

Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review.

---

📝 Walkthrough

Walkthrough

The party event endpoint now rejects non-empty person values unless they contain exactly 11 numeric digits. Integration tests verify HTTP 400 responses for short and alphanumeric values.

Changes

Person header validation

Layer / File(s)	Summary
Validate and test person headers src/Events/Controllers/AppController.cs, test/Altinn.Platform.Events.Tests/TestingControllers/AppControllerTests.cs	ValidateQueryParams rejects invalid person values. Integration tests verify validation errors for 10-digit and alphanumeric Person headers.

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to da634

This localized validation change is merge-ready after normal checks and review; no actionable merge-blocking risk remains.

Suggested reviewers: hggutvik, martivj

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly identifies the affected endpoint and the invalid SSN error addressed by the pull request.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch bug-751-invalid-ssn

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands.}

[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud