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API/CLAUDE.md
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Paddy 17ca6399e0 Add Feedback domain module: public submission flow, admin CRUD, reporting
New /feedback API domain backed by its own FEEDBACK_DB, mirroring the
Calendar domain's router -> service -> DB pool layering:

- Public endpoints (no auth): eligible-events listing, event config,
  submission with honeypot + rate limiting (in-memory + DB backstop).
- Admin endpoints (session-header auth, reusing Calendar's users/sessions
  via a swappable feedback.auth.ts boundary): events/songs/questions CRUD,
  bulk reorder/assignment, aggregated reporting, CSV export.
- Schema in sql/feedback/001_init.sql (8 tables), applied and verified
  against the real FEEDBACK_DB.
- 64 Jest tests covering validation, auth, rate limiting, CSV escaping,
  and report aggregation (pure functions, no DB needed).

Includes fixes from a security review: path traversal defense doesn't
apply here (that's the frontend proxy, separate repo), but the
rate-limiter cluster does - recordSubmission now counts every processed
request (not just successful ones), the in-memory Map evicts empty
entries instead of growing unbounded, FEEDBACK_IP_SALT is required at
boot instead of silently degrading to unsalted hashing, and submission
answer/rating arrays are capped and de-duplicated to bound insert
amplification.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-08-05 23:32:22 +02:00

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2.8 KiB
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# CLAUDE.md
This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
## Commands
```bash
npm run build # Compile TypeScript → dist/
npm run start # Build and start (tsc && node ./dist/app.js)
npm run debug # Start with DEBUG=* environment variable
npm run test # Run Jest tests with coverage (outputs sonar-report.xml)
```
Run a single test file:
```bash
npx jest test/some.test.ts
```
## Architecture
Express.js REST API in TypeScript with a service-oriented layering. Domains: `Calendar` (events, users) and `Feedback` (concert feedback forms, mounted at `/feedback`, backed by its own `FEEDBACK_DB` — see `src/models/feedback/`, still scaffolding-only as of this writing).
**Request path:**
1. `app.ts` mounts `Calendar.router.ts` at `/calendar`
2. `Calendar.router.ts` delegates to `events.router.ts` and `users.router.ts`
3. Routers call services; services call the MariaDB pool in `Calendar.db.ts`
**Key layers:**
| Layer | Location |
|---|---|
| Router | `src/models/calendar/Calendar.router.ts`, `…/events/events.router.ts`, `…/users/users.router.ts` |
| Services | `…/events/events.service.ts`, `…/users/users.service.ts`, `…/events/credentials.service.ts`, `…/events/icalgenerator.service.ts` |
| DB pool | `src/models/calendar/Calendar.db.ts` (MariaDB, pool size 5) |
| Shared | `src/common/` (base route class, nodemailer wrapper), `src/middleware/logger.ts` (Winston) |
**Auth model:** Users must have a `@nachklang.art` email. After activation they receive a session token (30-day window); the token hash + IP are stored in the DB. Credentials for non-user calendar access (`MEMBER_CREDENTIAL`, `CHOIR_CREDENTIAL`, `MANAGEMENT_CREDENTIAL`) come from `.env`.
**Event versioning:** Events have a companion `event_versions` table. `events.service.ts` manages writes to both.
**Calendar types and IDs:** `public` (1), `members` (2), `management` (3), `choir` (4), `birthdays` (5). `credentials.service.ts` enforces which session/credential can read each calendar.
**iCal export:** `icalgenerator.service.ts` converts DB events to RFC 5545 format; reachable via `GET /calendar/events/{calendar}/ical`.
**API docs:** Swagger UI served at `/docs`, generated from JSDoc annotations in the router files.
## Environment
Copy `.env.example` (or create `.env`) with:
```
PORT=
DB_HOST=
DB_USER=
DB_PASSWORD=
CALENDAR_DB=
FEEDBACK_DB=
FEEDBACK_IP_SALT=
FEEDBACK_RATE_LIMIT_MAX=
FEEDBACK_RATE_LIMIT_WINDOW_MIN=
SALESFORCE_ENABLED=
SALESFORCE_API_URL=
SALESFORCE_API_TOKEN=
EMAIL_HOST=
EMAIL_USERNAME=
EMAIL_PASSWORD=
MEMBER_CREDENTIAL=
CHOIR_CREDENTIAL=
MANAGEMENT_CREDENTIAL=
```
## TypeScript config
Strict mode enabled, target ES2016, compiled output in `./dist`, inline source maps. Tests run through `ts-jest` directly against `.ts` sources.