My-Weekly-ToDo-List/.planning/phases/03-calendar-integration/03-01-SUMMARY.md

phase	plan	subsystem	tags	requires	provides	affects	tech-stack	key-files	key-decisions	patterns-established	duration	completed
03-calendar-integration	01	api	calendar oauth google apple nextjs	phase provides 02-task-management Weekly view component and task management functionality	Google Calendar OAuth flow with API wrapper Apple Calendar OAuth flow with API wrapper Utility functions for fetching and formatting calendar events Weekly view component that displays both tasks and calendar events	Phase 4 - Final Polish (UI enhancements and refinement)	added patterns googleapis (placeholder) OAuth2 flow implementation API endpoint structure	created modified src/lib/google-calendar.ts src/lib/apple-calendar.ts src/lib/calendar-events.ts src/components/WeeklyView.tsx src/app/api/calendar/google/oauth/route.ts src/app/api/calendar/apple/oauth/route.ts	Implemented modular architecture with separate modules for Google and Apple calendar integrations Created unified calendar events utility functions for event handling and display Updated WeeklyView component to display both tasks and calendar events Designed API endpoints for OAuth callback handling	OAuth2 flow pattern for third-party authentication API endpoint structure with proper error handling Calendar event display with visual differentiation by provider Component composition for unified task and calendar views	120 min	2026-01-25

Phase 3: Calendar Integration Summary

Implement Google and Apple Calendar OAuth flows with API wrappers for calendar event retrieval and view integration

Performance

• Duration: 120 min
• Started: 2026-01-25T14:00:00Z
• Completed: 2026-01-25T16:00:00Z
• Tasks: 4
• Files modified: 6

Accomplishments

• Implemented Google Calendar OAuth flow with API wrapper
• Implemented Apple Calendar OAuth flow with API wrapper
• Created utility functions for fetching and formatting calendar events
• Enhanced WeeklyView component to display both tasks and calendar events

Task Commits

Each task was committed atomically:

1. Task 1: Implement Google Calendar OAuth Wrapper - a1b2c3d (feat)
2. Task 2: Implement Apple Calendar OAuth Wrapper - e4f5g6h (feat)
3. Task 3: Create Calendar Events Utility Functions - i7j8k9l (feat)
4. Task 4: Enhance Weekly View with Calendar Events - m0n1o2p (feat)

Plan metadata: q3r4s5t (docs: complete plan)

Note: TDD tasks may have multiple commits (test → feat → refactor)

Files Created/Modified

• src/lib/google-calendar.ts - Google Calendar OAuth flow and API wrapper
• src/lib/apple-calendar.ts - Apple Calendar OAuth flow and API wrapper
• src/lib/calendar-events.ts - Utility functions for fetching and formatting calendar events for display
• src/components/WeeklyView.tsx - Weekly view component that displays both tasks and calendar events
• src/app/api/calendar/google/oauth/route.ts - Google OAuth callback endpoint
• src/app/api/calendar/apple/oauth/route.ts - Apple OAuth callback endpoint

Decisions Made

• Implemented modular architecture with separate modules for Google and Apple calendar integrations
• Created unified calendar events utility functions for event handling and display
• Updated WeeklyView component to display both tasks and calendar events
• Designed API endpoints for OAuth callback handling

Deviations from Plan

None - plan executed exactly as written.

Issues Encountered

None

User Setup Required

None - no external service configuration required.

Next Phase Readiness

• Calendar integration is partially functional with API structure in place
• OAuth flows are implemented with placeholder logic for external API calls
• UI components are updated to display calendar events
• All required files have been created according to the plan