init

backend/database.py

@@ -0,0 +1,28 @@
+from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker, AsyncSession
+from sqlalchemy.orm import DeclarativeBase
+from config import settings
+
+engine = create_async_engine(settings.DATABASE_URL, echo=settings.DEBUG, pool_size=10, max_overflow=20)
+async_session = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+async def get_db():
+    async with async_session() as session:
+        try:
+            yield session
+        finally:
+            await session.close()
+
+
+async def init_db():
+    from models.template import Template
+    from models.paragraph import Paragraph
+    from models.ai_model import AiModel
+    from models.document import Document
+    from models.generation_log import GenerationLog
+    async with engine.begin() as conn:
+        await conn.run_sync(Base.metadata.create_all)