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wedding-app/apps/api/app/db/migrate.py
Claude 2fa17e5feb
feat: rewrite backend in Python (FastAPI + SQLAlchemy + boto3)
Same routes, same Docker topology, same env vars. Frontend untouched.

Backend swap:
- Hono on Node -> FastAPI on Python 3.12, served by uvicorn behind Caddy.
- Drizzle on Node -> SQLAlchemy 2.0 async (asyncpg driver) with declarative
  models that mirror the previous schema 1:1. Migrations are still plain
  SQL files (apps/api/app/migrations/) run idempotently at startup by
  app/db/migrate.py via asyncpg, tracking each file's sha256 in a
  schema_migrations table.
- aws4fetch -> boto3 wrapped in asyncio.to_thread so the async routes
  do not block on MinIO/S3 calls. The presign_put / init_multipart /
  complete_multipart / head / delete contract is unchanged so the React
  client sees the same /api/uploads/* payloads.
- Cookie+JWT admin auth -> pyjwt + FastAPI Cookie() dependency.
  constant-time password compare. Same 7-day HttpOnly cookie shape.
- QR code: qrcode lib + reportlab. /api/qrcode keeps format=png|svg|pdf;
  the PDF is still A6 with the couple's names + 'Aponte a câmera' CTA.
- Pydantic-settings replaces the zod env loader and still fails fast
  on missing required vars.

Routes ported with identical paths and JSON shapes:
- public: /api/event, /api/gallery, /api/qrcode, /api/stats
- uploads: /api/uploads/init, /{id}/confirm, /{id}/abort
- admin: /login, /logout, /me, /event (GET+PATCH), /uploads (GET with
  ?status, ?kind=photo|video, ?q= for search), /uploads/{id} (PATCH
  for author/message edit), /uploads/{id}/{approve,reject,cover},
  /uploads/{id} (DELETE), /event/cover (DELETE), /uploads/bulk, /stats.

Build pipeline:
- Dockerfile: stage 1 builds the React/Vite SPA with pnpm; stage 2 is
  python:3.12-slim that installs deps via uv (fast, reproducible),
  copies the app/, and copies the SPA dist from stage 1 into /app/public
  so the FastAPI process serves both /api/* and the SPA assets.
- docker-compose.yml unchanged: postgres + minio + minio-init + app +
  caddy. Same env vars (DATABASE_URL, S3_*, ADMIN_PASSWORD, SESSION_SECRET,
  ALLOWED_ADMIN_EMAILS, AUTO_MIGRATE).
- Removed apps/api from the pnpm workspace; root package.json now only
  scripts the web. Makefile centralizes dev/build/docker commands so
  the Python side has the same DX as the Node side did.
2026-06-07 22:45:20 +00:00

71 lines
2.0 KiB
Python

import asyncio
import hashlib
from pathlib import Path
import asyncpg
def _to_pg_url(url: str) -> str:
if url.startswith("postgres://"):
url = "postgresql://" + url[len("postgres://") :]
if url.startswith("postgresql+asyncpg://"):
url = "postgresql://" + url[len("postgresql+asyncpg://") :]
return url
async def run_migrations(database_url: str) -> None:
conn = await asyncpg.connect(_to_pg_url(database_url))
try:
await conn.execute(
"""
CREATE TABLE IF NOT EXISTS schema_migrations (
name TEXT PRIMARY KEY,
sha256 TEXT NOT NULL,
applied_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
)
"""
)
migrations_dir = Path(__file__).parent.parent / "migrations"
files = sorted(f for f in migrations_dir.iterdir() if f.suffix == ".sql")
for f in files:
content = f.read_text(encoding="utf-8")
sha = hashlib.sha256(content.encode("utf-8")).hexdigest()
existing = await conn.fetchrow(
"SELECT sha256 FROM schema_migrations WHERE name = $1", f.name
)
if existing is not None:
if existing["sha256"] != sha:
raise RuntimeError(
f"Migration {f.name} has been modified after being applied. "
"Add a new migration file instead."
)
print(f"[migrate] skip {f.name}")
continue
print(f"[migrate] apply {f.name}")
async with conn.transaction():
await conn.execute(content)
await conn.execute(
"INSERT INTO schema_migrations (name, sha256) VALUES ($1, $2)",
f.name,
sha,
)
print("[migrate] done")
finally:
await conn.close()
def main() -> None:
from ..config import settings
asyncio.run(run_migrations(settings.DATABASE_URL))
if __name__ == "__main__":
main()