fix(subscriber): await season status saves when approving TV requests

[dougrathbone]

Description

When a TV MediaRequest is approved, updateParentStatus iterates its SeasonRequest children and marks each one APPROVED. The saves were issued via forEach without await, making them fire-and-forget. Anything reading season statuses immediately after approval -- notification logic, media status checks -- could observe stale PENDING values.

The declined path in the same function already does this correctly using for...of with await. The approved path was inconsistent with it.

Before:

entity.seasons.forEach((season) => {
  season.status = MediaRequestStatus.APPROVED;
  seasonRequestRepository.save(season); // unawaited
});

After (matching the pattern used in the declined branch):

for (const season of entity.seasons) {
  season.status = MediaRequestStatus.APPROVED;
  await seasonRequestRepository.save(season);
}

AI Disclosure: I used Claude Code to help write the tests. I reviewed and understood all generated code before submitting.

How Has This Been Tested?

Integration tests at server/subscriber/MediaRequestSubscriber.test.ts using the real SQLite test database via setupTestDb().

Tests:

• updateParentStatus -- persists APPROVED status to all child SeasonRequest rows in the database (regression guard for the unawaited save)
• updateParentStatus -- persists DECLINED status to all child SeasonRequest rows (regression guard for the already-correct declined path)

To reproduce the bug manually:

1. Create a TV show request spanning multiple seasons.
2. Approve the request via the admin panel or PUT /api/v1/request/:id/approve.
3. Immediately fetch the request and inspect seasons[].status.
4. Before this fix: season statuses may still read PENDING due to unawaited saves racing with the response.
5. After this fix: all season requests reliably reflect APPROVED.

Screenshots / Logs (if applicable)

N/A -- backend-only change with no UI impact.

Checklist:

• I have read and followed the contribution guidelines.
• Disclosed any use of AI (see our policy)
• I have updated the documentation accordingly. (no documentation changes required for this fix)
• All new and existing tests passed.
• Successful build pnpm build
• Translation keys pnpm i18n:extract (no new UI strings added)
• Database migration (if required) (no schema changes)

[coderabbitai]

📝 Walkthrough

Walkthrough

This change adds test coverage for the MediaRequestSubscriber and fixes an async handling issue in the subscriber's updateParentStatus method where season request updates were not being properly awaited.

Changes

Cohort / File(s)	Summary
Test File Addition server/subscriber/MediaRequestSubscriber.test.ts	New test file with 111 lines covering MediaRequestSubscriber.updateParentStatus. Includes test database initialization, helper function to create media and season requests, and two test cases validating that child season statuses are correctly updated to match parent status (APPROVED and DECLINED).
Async Flow Fix server/subscriber/MediaRequestSubscriber.ts	Changed season update loop from non-awaited synchronous forEach to async for...of loop, ensuring each seasonRequestRepository.save() call is properly awaited before proceeding to the next season.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Possibly related PRs

• fix(requests): mark requests as completed when media is already available #2462: Modifies MediaRequestSubscriber logic for updating child season request statuses and persistence flow.

Suggested labels

preview

Suggested reviewers

• fallenbagel

Poem

🐰 A fix most fine, async'd at last!
Seasons await their fate so vast,
No more forgotten saves that slip,
For loops bring order to the trip! ✨

🚥 Pre-merge checks | ✅ 2

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The PR title clearly and specifically describes the main fix: awaiting season status saves when approving TV requests, which directly addresses the root cause identified in the PR objectives.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

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[dougrathbone]

Closing this - the exact same fix was already merged in #2760. Nice to see someone else spotted it too!