fix(public): fix self-view tracking logic in profile and card view handlers

[hariom888]

Problem

In apps/backend/src/routes/public.ts, when an authenticated owner views their own profile, viewerId was left as null (not set to their id). The guard if (viewerId !== user.id) then evaluates null !== user.id which is always true, so the self-view was
recorded in cardView anyway. This silently inflated totalViews and uniqueViewers on the analytics dashboard.

Fix

Introduced an explicit isSelfView boolean flag in both the /:username and /:username/card/:cardId handlers. When the decoded JWT id matches user.id, isSelfView is set to true and viewerId stays null. The guard is changed from viewerId !== user.id to !isSelfView, which correctly blocks the insert for authenticated owners while still tracking unauthenticated views with viewerId: null.

Affected handlers

• GET /:username
• GET /:username/card/:cardId

Testing

• Authenticated owner viewing own profile → cardView.create NOT called
• Authenticated other user viewing profile → cardView.create called with their id
• Unauthenticated request → cardView.create called with viewerId: null

Closes #203

[Prince2301p]

Hi,
I would like to work on resolving this issue. Please assign it to me. I’m a participant in GSSoC 2026 and would be happy to contribute.
Looking forward to collaborating with you.

[hariom888]

@ShantKhatri Done, reverted all unintended formatting changes. Only the isSelfView logic remains.

[ShantKhatri]

LGTM! @Harxhit, you can have the final review.

[Harxhit]

Please resolve the merge conflicts and pin me our pr-review channel.

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[github-actions]

CI — All Checks Passed

Backend — PASS

Check	Result
Lint	PASS
Test	PASS
Typecheck	PASS

Mobile — SKIP

Check	Result
Lint	-
Test	-

Web — SKIP

Check	Result
Build	-

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Last updated: Wed, 17 Jun 2026 20:48:34 GMT

[Harxhit]

LGTM.Approving

[github-actions]

Congratulations @hariom888 on getting PR #294 merged!

Thank you for your contribution to the project.

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