minion1227 dd707ec91b fix(invitations): allow re-inviting after an unaccepted invite expires (#2543) ...

* fix(invitations): allow re-inviting after an unaccepted invite expires

An expired, never-accepted invitation still occupies the partial unique
index `index_invitations_on_email_and_family_id_pending` (predicate
`accepted_at IS NULL`), but the `pending` scope excludes it via the
`expires_at > now` clause. The duplicate-guard validation therefore
passes and the INSERT collides with the index, raising
ActiveRecord::RecordNotUnique — surfaced to the admin as a 500 with no
way to re-invite that address through the UI.

Remove the stale expired row inside the create transaction
(before_create) so the unique slot is freed and the re-invite succeeds.
It runs only after validations pass, so a still-pending (non-expired)
invitation can never be removed here. Add a controller-level rescue of
ActiveRecord::RecordNotUnique as a safety net against a concurrent
double-submit race.

Closes #2535

* refactor(invitations): scope RecordNotUnique rescue to the save

The method-level `rescue ActiveRecord::RecordNotUnique` wrapped the whole
create action, so any future write after @invitation.save (e.g.
accept_for) would silently be reported as a generic invite failure.
Extract save_invitation to scope the rescue to the save alone, and add a
regression test that drives the raced unique-index path directly.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-07-08 08:59:54 +02:00

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