nitrix
41bb17d5c9
Allows guests to cancel their RSVP via a DELETE endpoint using their guestToken. Frontend shows cancel button in RsvpBar and clears local storage on success. Includes unit tests, integration tests, and E2E spec. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
91 lines
4.7 KiB
Markdown
91 lines
4.7 KiB
Markdown
# Implementation Plan: Cancel RSVP
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**Branch**: `014-cancel-rsvp` | **Date**: 2026-03-09 | **Spec**: [spec.md](spec.md)
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**Input**: Feature specification from `/specs/014-cancel-rsvp/spec.md`
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## Summary
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Allow guests to cancel their RSVP either explicitly from the event detail view (tap-to-reveal pattern on the RSVP bar) or implicitly when removing an RSVP'd event from their event list. The backend provides an idempotent DELETE endpoint; the frontend handles confirmation, API call, localStorage cleanup, and UI state reset.
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## Technical Context
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**Language/Version**: Java 25 (backend), TypeScript 5.9 (frontend)
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**Primary Dependencies**: Spring Boot 3.5.x, Vue 3, Vue Router 5, openapi-fetch, openapi-typescript
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**Storage**: PostgreSQL (JPA via Spring Data, Liquibase migrations)
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**Testing**: JUnit + Mockito (backend unit), MockMvc + Testcontainers (backend integration), Vitest (frontend unit), Playwright + MSW (frontend E2E)
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**Target Platform**: Self-hosted PWA (web browser, mobile-first)
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**Project Type**: Web application (hexagonal backend + SPA frontend)
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**Performance Goals**: Cancel operation < 500ms server-side
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**Constraints**: Privacy by design (no analytics), token-based auth (no login), idempotent delete
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**Scale/Scope**: Single new endpoint, 3 modified frontend components, 1 new composable method
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## Constitution Check
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*GATE: Must pass before Phase 0 research. Re-check after Phase 1 design.*
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| Principle | Status | Notes |
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|-----------|--------|-------|
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| I. Privacy by Design | PASS | No new PII stored. Delete operation removes data. No analytics. |
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| II. Test-Driven Methodology | PASS | Plan includes TDD cycle: tests before implementation. E2E mandatory. |
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| III. API-First Development | PASS | OpenAPI spec updated first, types generated before implementation. |
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| IV. Simplicity & Quality | PASS | Minimal changes to existing code. No new abstractions. Idempotent delete is the simplest correct approach. |
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| V. Dependency Discipline | PASS | No new dependencies required. |
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| VI. Accessibility | PASS | Interactive elements will use semantic HTML, ARIA, keyboard navigation. Confirm dialog already accessible. |
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**Gate result**: ALL PASS — proceed to Phase 0.
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## Project Structure
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### Documentation (this feature)
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```text
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specs/014-cancel-rsvp/
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├── plan.md # This file
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├── research.md # Phase 0 output
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├── data-model.md # Phase 1 output
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├── contracts/ # Phase 1 output
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│ └── cancel-rsvp.yaml # DELETE endpoint contract
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└── tasks.md # Phase 2 output (by /speckit.tasks)
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```
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### Source Code (repository root)
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```text
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backend/
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├── src/main/java/de/fete/
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│ ├── domain/
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│ │ ├── model/Rsvp.java # existing (no changes)
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│ │ ├── model/RsvpToken.java # existing (no changes)
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│ │ └── port/
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│ │ ├── in/CancelRsvpUseCase.java # NEW use case port
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│ │ └── out/RsvpRepository.java # MODIFY (add deleteByRsvpToken)
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│ ├── application/service/RsvpService.java # MODIFY (implement cancel)
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│ └── adapter/
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│ ├── in/web/EventController.java # MODIFY (add DELETE handler)
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│ └── out/persistence/
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│ ├── RsvpJpaRepository.java # MODIFY (add deleteByRsvpToken)
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│ └── RsvpPersistenceAdapter.java # MODIFY (implement delete)
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├── src/main/resources/openapi/api.yaml # MODIFY (add DELETE endpoint)
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└── src/test/java/de/fete/
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├── application/service/RsvpServiceTest.java # MODIFY (add cancel tests)
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└── adapter/in/web/EventControllerIntegrationTest.java # MODIFY (add cancel tests)
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frontend/
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├── src/
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│ ├── api/schema.d.ts # REGENERATE (from updated OpenAPI)
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│ ├── components/
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│ │ ├── RsvpBar.vue # MODIFY (tap-to-reveal cancel)
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│ │ ├── EventList.vue # MODIFY (conditional dialog msg)
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│ │ └── ConfirmDialog.vue # existing (no changes)
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│ ├── composables/useEventStorage.ts # MODIFY (add removeRsvp)
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│ └── views/EventDetailView.vue # MODIFY (add cancel logic)
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└── e2e/
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└── cancel-rsvp.spec.ts # NEW (E2E tests)
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```
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**Structure Decision**: Follows existing hexagonal architecture. New use case port + implementation in existing service. Single new endpoint added to existing controller.
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## Complexity Tracking
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No constitution violations — table not needed.
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