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fix: prevent booking references with empty UIDs when calendar event creation fails #22986

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fix: prevent booking references with empty UIDs when calendar event creation fails

Summary

This PR fixes an issue where booking references were being created with empty UIDs when Google Calendar event creation failed. The system was previously writing booking references to the database even when calendar events failed to be created, violating the BookingReference schema constraint that requires non-empty UIDs.

Root Cause: In EventManager.ts, the referencesToCreate array was being populated from all calendar/video creation results, including failed ones where result.createdEvent?.id was null/undefined, leading to empty UID strings.

Solution: Added filtering logic in both EventManager.create() and EventManager.updateLocation() methods to exclude failed calendar events before creating booking references. Only events with result.success === true AND a valid UID are now included.

Changes Made:

  • Modified EventManager.create() to filter results before mapping to referencesToCreate
  • Modified EventManager.updateLocation() with the same filtering logic
  • Added warning logs when skipping reference creation due to failed events
  • Preserved existing error logging in CalendarManager.ts for debugging calendar failures

Review & Testing Checklist for Human

  • Verify filtering logic correctly identifies failed vs successful events - Check that the result.success && (valid UID) condition properly distinguishes between successful and failed calendar/video events
  • Test booking references are still created for successful events - Create a booking with working calendar integration and verify booking references are properly created in the database
  • Test no booking references are created for failed calendar events - Simulate calendar failure (e.g., invalid credentials) and verify no booking references with empty UIDs are created
  • Verify warning logs appear when filtering events - Check that "Skipping booking reference creation for failed [type] event" messages appear in logs when calendar events fail
  • End-to-end test with real calendar failures - Test the complete booking flow with actual Google Calendar integration failures to ensure the fix works in production scenarios

Diagram

%%{ init : { "theme" : "default" }}%%
graph TD
    handleNewBooking["packages/features/bookings/lib/<br/>handleNewBooking.ts"]:::context
    EventManager["packages/lib/<br/>EventManager.ts"]:::major-edit
    CalendarManager["packages/lib/<br/>CalendarManager.ts"]:::context
    BookingRefSchema["packages/prisma/<br/>schema.prisma<br/>(BookingReference model)"]:::context
    
    handleNewBooking -->|"creates booking references<br/>from referencesToCreate"| EventManager
    EventManager -->|"calls createEvent()<br/>for calendar/video"| CalendarManager
    CalendarManager -->|"returns success/failure<br/>results"| EventManager
    EventManager -->|"filters failed events<br/>BEFORE creating references"| BookingRefSchema
    
    subgraph Legend
        L1[Major Edit]:::major-edit
        L2[Minor Edit]:::minor-edit  
        L3[Context/No Edit]:::context
    end

classDef major-edit fill:#90EE90
classDef minor-edit fill:#87CEEB
classDef context fill:#FFFFFF
Loading

Notes

Log Messages for Debugging:

  • Look for createEvent failed messages in CalendarManager.ts for calendar creation failures
  • Look for Skipping booking reference creation for failed [type] event warnings when references are filtered out
  • Look for BookingCreatingMeetingFailed error code in handleNewBooking.ts when all calendar events fail

Schema Constraint: The BookingReference model requires non-empty uid field (@zod.min(1)), so filtering out empty UIDs prevents database constraint violations.

Link to Devin run: https://app.devin.ai/sessions/102305fdf3db4f80b2e92e5e047bf037
Requested by: @joeauyeung

…reation fails

- Filter out failed calendar events before creating booking references in EventManager.create() and updateLocation()
- Add warning logs when skipping reference creation due to failures
- Ensures BookingReference schema validation (uid must be non-empty) is respected
- Maintains existing error logging for debugging calendar creation failures

Log messages for debugging:
- Look for 'createEvent failed' messages in CalendarManager.ts for calendar creation failures
- Look for 'Skipping booking reference creation for failed [type] event' warnings when references are filtered out
- Look for 'BookingCreatingMeetingFailed' error code in handleNewBooking.ts when all calendar events fail

Co-Authored-By: joe@cal.com <j.auyeung419@gmail.com>
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@keithwillcode keithwillcode added core area: core, team members only enterprise area: enterprise, audit log, organisation, SAML, SSO labels Aug 8, 2025
- Remove expectation of booking reference with empty UID when calendar creation fails
- Aligns with new behavior that prevents schema constraint violations
- Test now expects no booking reference for failed calendar events
- Remove outdated comment about uncertain purpose of empty UID references

Co-Authored-By: joe@cal.com <j.auyeung419@gmail.com>
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