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Ran 21 Feb 2026 01:48PM UTC

Files 1050

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Committed 21 Feb 2026 01:43PM UTC coverage: 70.735%. First build

Job # 22257859468.1

Build Type

push

github

Committed by

mroderick

Commit Message

feat: cache member attending event IDs to eliminate N+1 queries

Motivation:
The events and meetings index pages were making N+1 queries when checking
if a logged-in member was attending each event. Each call to
@user.attending?(event) triggered a database query.

Analysis:
- Before: 40 queries for 40 events
- After: 3 queries (one each for invitations, workshop_invitations, meeting_invitations)
- The cache returns a Set of all event IDs where the member has an accepted
  invitation, making subsequent lookups O(1) Ruby operations.

The cache is invalidated when an invitation's attending status changes via
after_save callbacks on Invitation, WorkshopInvitation, and MeetingInvitation models.
This ensures the cache stays fresh on the next request after RSVP.

Coverage Stats

14621 of 20670 relevant lines covered (70.74%)

7.47 hits per line

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96%
master: 95%

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