Files
planet/backend/app/db/session.py

77 lines
2.4 KiB
Python

from typing import AsyncGenerator
from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine, async_sessionmaker
from sqlalchemy.orm import declarative_base
from app.core.config import settings
engine = create_async_engine(
settings.DATABASE_URL,
echo=settings.DEBUG if hasattr(settings, "DEBUG") else False,
)
async_session_factory = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
Base = declarative_base()
async def get_db() -> AsyncGenerator[AsyncSession, None]:
async with async_session_factory() as session:
try:
yield session
await session.commit()
except Exception:
await session.rollback()
raise
async def seed_default_datasources(session: AsyncSession):
from app.core.datasource_defaults import DEFAULT_DATASOURCES
from app.models.datasource import DataSource
for source, info in DEFAULT_DATASOURCES.items():
existing = await session.get(DataSource, info["id"])
if existing:
existing.name = info["name"]
existing.source = source
existing.module = info["module"]
existing.priority = info["priority"]
existing.frequency_minutes = info["frequency_minutes"]
existing.collector_class = source
if existing.config is None:
existing.config = "{}"
continue
session.add(
DataSource(
id=info["id"],
name=info["name"],
source=source,
module=info["module"],
priority=info["priority"],
frequency_minutes=info["frequency_minutes"],
collector_class=source,
config="{}",
is_active=True,
)
)
await session.commit()
async def init_db():
import app.models.user # noqa: F401
import app.models.gpu_cluster # noqa: F401
import app.models.task # noqa: F401
import app.models.datasource # noqa: F401
import app.models.datasource_config # noqa: F401
import app.models.alert # noqa: F401
import app.models.collected_data # noqa: F401
import app.models.system_setting # noqa: F401
async with engine.begin() as conn:
await conn.run_sync(Base.metadata.create_all)
async with async_session_factory() as session:
await seed_default_datasources(session)