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Adds the read+write endpoints the frontend needs to drive a
ProjectionLab-style UX on top of the existing engine.
- /networth, /networth/history — NW total + per-account from
account_snapshot (frontend chart)
- /scenarios CRUD + projection — list/get/create/patch/delete user
scenarios; cartesian read-only
- /scenarios/{id}/life-events — life event CRUD nested under scenario
- /life-events/{id} — patch + delete by id
- /scenarios/{id}/goals,
/goals/{id} — retirement goal CRUD
- /simulate, /compare — sync, no-DB-write what-if endpoints
Auth: Bearer-token dependency on writes + simulate when API_BEARER_TOKEN
is set; reads always open (lock down via Authentik-fronted ingress in
prod). Existing /recompute keeps its bearer auth.
CORS middleware reads FRONTEND_ORIGINS (comma-separated) for the dev
SPA. Lifespan now provisions the SQLAlchemy engine + session_factory
on app.state and disposes them on shutdown.
40 new tests covering happy paths and validation. 172 tests total.
mypy strict + ruff clean (B008 ignore added — Depends() in defaults
is the canonical FastAPI pattern, not a bug).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
18 lines
639 B
Python
18 lines
639 B
Python
"""Shared FastAPI dependencies — DB session per request."""
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from __future__ import annotations
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from collections.abc import AsyncIterator
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from fastapi import Request
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from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
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async def get_session(request: Request) -> AsyncIterator[AsyncSession]:
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"""Yield an AsyncSession bound to the engine on app.state.
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The engine + session factory are wired up in `app.lifespan`. Tests
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swap them out via dependency_overrides.
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"""
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factory: async_sessionmaker[AsyncSession] = request.app.state.session_factory
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async with factory() as session:
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yield session
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