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# KC-APP
Multi-tenant event, election and communication platform for Konfi-Castle
events (KCs), replacing the WordPress plugin "Workshop-Wahlen". See
[plan-kcAppMultiTenantPlatform.prompt.md](plan-kcAppMultiTenantPlatform.prompt.md)
for the full architecture and phased roadmap.
This repo holds the **Flutter clients**. The backend (NestJS API) moved to
its own repo: <https://git.konfi-castle.com/linus/KC-APP-Server>.
## Run with Docker
See the [KC-APP-Server README](https://git.konfi-castle.com/linus/KC-APP-Server)
for the backend/Docker setup. It expects a pre-built web bundle:
```bash
(cd client/app && flutter build web --release)
```
By default the server's `docker-compose.yml` mounts `../KC-APP/client/app/build/web`
(sibling checkout); override with `WEB_CLIENT_BUILD_PATH` if your layout
differs.
## Structure
- `client/app/` — the Flutter client (single codebase; **web** target
enabled, mobile/desktop can be added later). Login (guest / local Teamer /
invite redemption), role-aware home, guest Workshop-Wahl, file list,
read-only chat. See [client/app/README.md](client/app/README.md).
- `client/web/` — minimal dependency-free HTML/CSS/JS placeholder web
client, served by the backend at `/`. Superseded by the Flutter web build;
kept for now as a zero-dependency fallback.
## Status
Phase 0/1 foundation implemented: monorepo skeleton, Prisma data model (Kc,
Gemeinde, User, Membership, GuestAccount, Wahl/Workshop/Teilnehmer/Zuteilung,
File, Chat), Authentik JWT resource-server strategy, guest invite-code login,
Role-based guard scoped per KC.
Phase 2 (Workshop-Wahl engine) implemented: Wahl/Workshop administration,
guest Teilnehmer submission, Force-Zuteilung overrides, and the assignment
algorithm ported from the WP plugin's `kc_run_zuteilung` (force-assignments →
wish rounds 1-3 → random fill → consolidation of underfilled workshops),
plus CSV export.
Phase 3 (Dateifreigabe) implemented: Leitungsteam-only upload tagged with a
visibility tier (alle / alle außer Konfis / nur LT), list/download for
Authentik or guest callers filtered by their allowed tiers, storage behind a
provider abstraction defaulting to Nextcloud/WebDAV (S3-compatible storage
as an alternative via `STORAGE_PROVIDER=s3`).
Phase 5 (Kommunikation) implemented: Gemeinde-Gruppenchat, 1:1-DMs, LT-
kanalübergreifende Kanäle, Broadcast (read-only für Konfis); channel/history
via REST, real-time send/receive via a raw WebSocket gateway authenticated
with the same Authentik/guest tokens as the REST API.
Phase 6 (Hybrid Lokal/Cloud-Server & Sync) implemented: an append-only
replication log (`SyncLogEntry`) captured by every feature service after its
writes; the local (on-site) server periodically pushes/pulls against the
cloud server's `/sync/ingest` + `/sync/export` endpoints (shared-secret
authenticated, not user auth). No conflict resolution needed by design - the
local server is the sole source of truth while an event is live.
Since then: local (non-Authentik) Gemeinde Teamer accounts + invites
(`teamer/`, `auth/team-login`), Gemeinde CRUD (`gemeinde/`), Gemeinde
Verantwortliche self-registration with LT approval (`onboarding/`), JIT
`User` provisioning on first Authentik login, LEITUNGSTEAM derived from the
Authentik `groups` claim, and an email module (`mail/`, log-only by default,
SMTP opt-in) that sends personal Teamer invites. First Prisma migration is
in (`backend/prisma/migrations/`); the backend has been run end to end
against a local PostgreSQL 16. `npm test` covers the assignment algorithm
and the new auth/onboarding services (56 tests).
Phase 7 (Flutter client): `client/app/` is a single Flutter codebase with
the **web** target enabled — guest / local-Teamer / invite login, the
Authentik Authorization-Code + PKCE flow (`lib/oidc.dart`) for
Leitungsteam/Verantwortliche, role-aware home, guest Workshop-Wahl (wishes +
result), file list, live WebSocket chat, FCM web-push registration, and the
Leitungsteam admin screens: KCs, Gemeinden, onboarding approvals, full
Workshop-Wahl administration (create/open/close, workshops, Force-Zuteilung,
run assignment, CSV export), Teamer accounts + invites, LT file upload, plus
the Verantwortlichen self-registration flow. `flutter build web` /
`flutter test` pass; the backend serves the build at `/` (SPA fallback
covers the OIDC redirect `/v1/auth/callback`).
Still to do: a live browser test of the OIDC round-trip; mobile/desktop
targets. Going live needs external config — the Authentik redirect + a test
account, Nextcloud/S3 credentials, SMTP, and the Firebase push secrets
(`apiKey`/`appId`/VAPID key + a service-account JSON). See
`backend/.env.example` and `client/app/web/index.html`.