deepdata: core product code (backend, frontend, runtime, deepflow module)

runtime/deepdata-python/app/module/system/service/common_service.py

@@ -0,0 +1,16 @@
+"""通用系统服务：仅保留与 DB 直接相关的查询。LLM 创建与调用统一使用 app.core.llm.LLMFactory。"""
+from typing import Optional
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.db.models.models import Models
+
+
+async def get_model_by_id(db: AsyncSession, model_id: str) -> Optional[Models]:
+    """根据模型ID获取未删除的 Models 记录。"""
+    q = select(Models).where(Models.id == model_id).where(
+        (Models.is_deleted == False) | (Models.is_deleted.is_(None))
+    )
+    result = await db.execute(q)
+    return result.scalar_one_or_none()