Craig
601c0d461e
- POST auto-closes previous target in one transaction - GET /targets (ordered), GET /targets/current (404 when none) - PUT with invariant enforcement (409 on double-active attempt) - Service-layer historical target lookup for TICKET-004 - Full suite green (62 passed)
CalCount
A personal, self-hosted calorie counter web app with barcode scanning via phone camera and OpenFoodFacts lookup. See SPEC.md for the full spec, data model, API design, and development rules (§8 — read it before writing code).
Stack
- Backend: Python ≥3.12, FastAPI, SQLAlchemy 2, Pydantic 2, SQLite, httpx — managed with uv
- Frontend: Svelte 5 (runes) + Vite 7, zxing-wasm barcode fallback — managed with npm (Node ≥22.12)
Project layout
backend/ FastAPI app (main.py), SQLAlchemy models, Pydantic schemas,
routers/, services/, migrations/, tests/
frontend/ Vite + Svelte SPA (src/), lib/ (api, stores, scanner, format),
components/
Setup
# Backend (uv creates .venv and installs from uv.lock)
cd backend
uv sync
# Frontend
cd frontend
npm install
Run
Two terminals:
# Terminal 1 — backend on http://localhost:8000
cd backend
uv run uvicorn main:app --reload
# Terminal 2 — frontend on http://localhost:5173 (proxies /api → :8000)
cd frontend
npm run dev
The SQLite database (backend/calcount.db) is created and migrated
automatically on backend startup (backend/migrations/).
Test
cd backend && uv run pytest # backend suite
cd frontend && npm test # frontend suite (vitest)
Build
cd frontend && npm run build # production build to frontend/dist/