Initial commit

backend/app/database.py

@@ -0,0 +1,35 @@
+import os
+from pathlib import Path
+
+from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine, async_sessionmaker
+from sqlalchemy.orm import declarative_base
+from dotenv import load_dotenv
+
+# Try loading ../db.conf into environment variables
+PROJECT_ROOT = Path(__file__).resolve().parents[2]
+DB_CONF = PROJECT_ROOT / "db.conf"
+if DB_CONF.exists():
+    load_dotenv(DB_CONF)
+else:
+    load_dotenv()
+
+DB_HOST = os.getenv("PSQL_HOST", "localhost")
+DB_PORT = os.getenv("PSQL_PORT", "5432")
+DB_USER = os.getenv("PSQL_USER", "postgres")
+DB_PASSWORD = os.getenv("PSQL_PASSWORD", "")
+DB_NAME = os.getenv("PSQL_DBNAME", "ffxi_items")
+
+DATABASE_URL = (
+    f"postgresql+asyncpg://{DB_USER}:{DB_PASSWORD}@{DB_HOST}:{DB_PORT}/{DB_NAME}"
+)
+
+engine = create_async_engine(DATABASE_URL, echo=False, pool_size=10, max_overflow=20)
+AsyncSessionLocal: async_sessionmaker[AsyncSession] = async_sessionmaker(
+    bind=engine, expire_on_commit=False
+)
+
+Base = declarative_base()
+
+async def get_session() -> AsyncSession:
+    async with AsyncSessionLocal() as session:
+        yield session