1er

backend/app/db/database.py

@@ -0,0 +1,30 @@
+from __future__ import annotations
+
+from os import getenv
+from pathlib import Path
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import declarative_base, sessionmaker
+
+DATA_DIR = Path(__file__).resolve().parent.parent.parent / "data"
+# stockage SQLite + raw JSON dans backend/data
+DATA_DIR.mkdir(parents=True, exist_ok=True)
+
+DEFAULT_DATABASE_PATH = DATA_DIR / "suivi.db"
+DEFAULT_DATABASE_URL = f"sqlite:///{DEFAULT_DATABASE_PATH}"
+DATABASE_URL = getenv("DATABASE_URL", DEFAULT_DATABASE_URL)
+
+if DATABASE_URL.startswith("sqlite:///"):
+    sqlite_path = Path(DATABASE_URL.replace("sqlite:///", "", 1))
+    sqlite_path.parent.mkdir(parents=True, exist_ok=True)
+else:
+    DEFAULT_DATABASE_PATH.parent.mkdir(parents=True, exist_ok=True)
+
+engine = create_engine(
+    DATABASE_URL,
+    connect_args={"check_same_thread": False},
+    future=True,
+)
+SessionLocal = sessionmaker(bind=engine, autoflush=False, autocommit=False, future=True)
+# classe de base pour les modèles SQLAlchemy
+Base = declarative_base()