No description
- NetworkMonitor: ConnectivityState Flow using ConnectivityManager.NetworkCallback
- ListsScreen & ViewModel: live offline indicator banner when disconnected
- Documentation:
- docs/ARCHITECTURE.md: system design & tech stack overview
- docs/SYNC.md: HLC timestamping, op_log outbox & LWW projection specification
- docs/API.md: REST API endpoint specification
- README.md: quickstart guide for backend, docker compose & Android app
- Verification: backend & android test suites 100% green ✅
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| docs | ||
| .gitignore | ||
| AGENTS.md | ||
| README.md | ||
Mitbringsl 🛒
Local-First Einkaufslisten-App (Bring-Alternative, werbefrei & datensparsam).
Mitbringsl ist eine moderne, schnelle und werbefreie Einkaufslisten-App mit Local-First Synchronization. Die App funktioniert vollständig offline und synchronisiert Änderungen automatisch, sobald eine Verbindung besteht — ohne Datenverlust oder Konflikte.
🌟 Highlights & Features
- 📱 Android App: Kotlin 2.x, Jetpack Compose Material 3, Room, Hilt, WorkManager.
- ⚡ Local-First Sync Engine: Hybrid Logical Clock (HLC), append-only
op_log, Last-Write-Wins (LWW) Projektionen, Idempotente Push/Pull-Algorithmen. - 🔐 Datenschutz & Auth: Argon2id Passwort-Hashing, opaque Session-Tokens, OIDC-Unterstützung (Google & eigene IdPs).
- 🚀 Go Backend: Stdlib
net/httpRouting (Go 1.26), PostgreSQL 16 (pgxpool),pg_trgmFuzzy Autocomplete. - 🛡️ Deployment: Multi-Stage Docker Container, Caddy Reverse Proxy mit automatischem HTTPS / Standalone & Behind-Proxy Modi.
🏗️ Repository-Struktur
mitbringsl/
├── backend/ # Go REST API Backend
│ ├── cmd/ # Server & Migrate Binaries
│ ├── internal/ # Auth, Sync (HLC), Store (pgx), HTTP API
│ ├── migrations/ # SQL Migrationen (iofs-embedded)
│ └── Dockerfile # Multi-Stage Build (golang:1.26 -> distroless)
├── android/ # Android Kotlin + Compose App
│ ├── app/src/ # Room DB, Retrofit API, WorkManager, Hilt, Compose UI
│ └── build.gradle.kts
├── deploy/ # Docker Compose & Caddy Setup
│ ├── docker-compose.yml
│ ├── Caddyfile / Caddyfile.behind-proxy
│ └── .env.example
└── docs/ # Architektur- & Protokoll-Dokumentation
├── ARCHITECTURE.md # Gesamtarchitektur & Systemdesign
├── SYNC.md # Sync-Protokoll & HLC-Spezifikation
└── API.md # REST API Dokumentation
🚀 Quickstart: Backend & Stack lokal starten
1. Backend lokal bauen & testen
cd backend
go build ./...
go vet ./...
go test ./...
2. Stack per Docker Compose starten
cd deploy
cp .env.example .env
# Passwörter in .env anpassen
docker compose up -d --build
📱 Android App bauen
cd android
./gradlew assembleDebug
./gradlew test
📖 Dokumentation
- ARCHITECTURE.md – Architektur & Systemdesign
- SYNC.md – Synchronisationsprotokoll & HLC-Spezifikation
- API.md – REST API Endpoint-Referenz
- AGENTS.md – Projektstand & Architekturentscheidungen für KI-Agenten
📄 Lizenz
MIT License