초기 커밋

app/db/mariadb.py

@@ -0,0 +1,42 @@
+from __future__ import annotations
+
+from collections.abc import AsyncGenerator
+
+from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
+from sqlalchemy.orm import sessionmaker
+from sqlmodel import SQLModel
+
+from app.core.config import settings
+
+async_engine = create_async_engine(
+    settings.MARIADB_DSN,
+    echo=settings.DEBUG,
+    pool_pre_ping=True,
+    pool_size=10,
+    max_overflow=20,
+)
+
+AsyncSessionLocal = sessionmaker(
+    bind=async_engine,
+    class_=AsyncSession,
+    expire_on_commit=False,
+)
+
+
+async def init_mariadb() -> None:
+    async with async_engine.begin() as conn:
+        await conn.run_sync(SQLModel.metadata.create_all)
+
+
+async def close_mariadb() -> None:
+    await async_engine.dispose()
+
+
+async def get_db() -> AsyncGenerator[AsyncSession, None]:
+    async with AsyncSessionLocal() as session:
+        try:
+            yield session
+            await session.commit()
+        except Exception:
+            await session.rollback()
+            raise