Add script to remove partner self-referrals from ProgramApplicationEvent

[devkiran]

Summary by CodeRabbit

• Chores
  • Added an administrative data maintenance tool to identify and correct invalid self-referral records in program application data.

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Project	Deployment	Actions	Updated (UTC)
dub	Ready	Preview	Jun 1, 2026 6:36am

[coderabbitai]

📝 Walkthrough

Walkthrough

This PR adds a one-time maintenance script to remove self-referral relationships from the ProgramApplicationEvent table. The script identifies records where partnerId equals referredByPartnerId, logs the findings, and bulk-updates those records to null out the referral reference.

Changes

Self-referral cleanup maintenance script

Layer / File(s)	Summary
Self-referral cleanup script apps/web/scripts/misc/remove-self-referrals.ts	Prisma-backed maintenance script that queries ProgramApplicationEvent records where partnerId matches referredByPartnerId, logs matching rows, and performs a bulk update to clear the referredByPartnerId field for identified records.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Possibly related PRs

• dubinc/dub#3956: Implements complementary self-referral prevention by tracking and updating referral relationships at runtime, while this PR removes existing self-referral records via bulk cleanup.

Suggested reviewers

• steven-tey

Poem

🐰 A script hops through the data with care,
Self-referrals hiding everywhere,
With a wave of Prisma's magic wand,
Bad connections are now gone, ✨

🚥 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 accurately and concisely describes the main change: adding a script to remove partner self-referrals from ProgramApplicationEvent.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
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.

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✨ 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 fix-partner-self-referrals

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[coderabbitai]

Actionable comments posted: 2

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@apps/web/scripts/misc/remove-self-referrals.ts`:
- Line 41: The script calls main() without handling errors or disconnecting
Prisma; wrap the entrypoint so you call main().catch(err => {
processLogger/error or console.error(err); process.exitCode = 1; }).finally(()
=> prisma.$disconnect()) to ensure the Prisma pool is released and failures set
a non-zero exit code; use the existing main() function and the prisma instance
(prisma.$disconnect()) and set process.exitCode rather than immediate
process.exit to allow graceful teardown.
- Around line 12-16: Change the raw SQL to use Prisma's default unquoted
identifiers for the ProgramApplicationEvent fields (ensure the prisma.$queryRaw
call selects id, partnerId, referredByPartnerId, visitedAt without any
backtick/quoted identifiers) so it matches the MySQL schema and Prisma model,
and add failure handling for the script by appending a catch to the main
invocation—call main().catch(e => { console.error(e); process.exit(1); }) to
ensure errors are logged and the process exits; refer to prisma.$queryRaw,
ProgramApplicationEvent, programApplicationEvents and main() when making these
edits.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 22fb011f-888d-42f4-83c0-52611f4d84de

📥 Commits

Reviewing files that changed from the base of the PR and between 6af085f and 41ad287.

📒 Files selected for processing (1)

• apps/web/scripts/misc/remove-self-referrals.ts

[steven-tey]

Ran the script, closing the PR now, thank you @devkiran!