118 lines
4.8 KiB
Python
118 lines
4.8 KiB
Python
"""SQLAlchemy-backed custom agent repository."""
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from __future__ import annotations
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from datetime import UTC, datetime
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from typing import Any
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from sqlalchemy import or_, select
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from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
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from deerflow.persistence.agents.base import AgentStore
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from deerflow.persistence.agents.model import AgentRow
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def _row_to_dict(row: AgentRow) -> dict[str, Any]:
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data = row.to_dict()
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data["builtin"] = data.get("user_id") is None
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for key in ("created_at", "updated_at"):
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value = data.get(key)
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if isinstance(value, datetime):
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data[key] = value.isoformat()
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return data
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class AgentRepository(AgentStore):
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def __init__(self, session_factory: async_sessionmaker[AsyncSession]) -> None:
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self._sf = session_factory
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@staticmethod
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def _visible_filter(user_id: str):
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return or_(AgentRow.user_id.is_(None), AgentRow.user_id == user_id, AgentRow.published.is_(True))
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async def list_visible(self, user_id: str) -> list[dict[str, Any]]:
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stmt = select(AgentRow).where(self._visible_filter(user_id)).order_by(AgentRow.created_at.asc())
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async with self._sf() as session:
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result = await session.execute(stmt)
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return [_row_to_dict(row) for row in result.scalars()]
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async def get_visible(self, agent_id: str, user_id: str) -> dict[str, Any] | None:
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stmt = select(AgentRow).where(AgentRow.id == agent_id, self._visible_filter(user_id))
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async with self._sf() as session:
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row = (await session.execute(stmt)).scalar_one_or_none()
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return _row_to_dict(row) if row is not None else None
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async def get_any(self, agent_id: str) -> dict[str, Any] | None:
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async with self._sf() as session:
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row = await session.get(AgentRow, agent_id)
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return _row_to_dict(row) if row is not None else None
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async def get_owned(self, agent_id: str, user_id: str) -> dict[str, Any] | None:
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stmt = select(AgentRow).where(AgentRow.id == agent_id, AgentRow.user_id == user_id)
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async with self._sf() as session:
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row = (await session.execute(stmt)).scalar_one_or_none()
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return _row_to_dict(row) if row is not None else None
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async def create(self, data: dict[str, Any]) -> dict[str, Any]:
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now = datetime.now(UTC)
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row = AgentRow(
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id=data["id"],
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name=data["name"],
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description=data.get("description") or "",
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user_id=data.get("user_id"),
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published=bool(data.get("published", False)),
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created_at=now,
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updated_at=now,
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)
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async with self._sf() as session:
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session.add(row)
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await session.commit()
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await session.refresh(row)
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return _row_to_dict(row)
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async def ensure_builtin(self, data: dict[str, Any]) -> dict[str, Any]:
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async with self._sf() as session:
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row = await session.get(AgentRow, data["id"])
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if row is None:
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now = datetime.now(UTC)
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row = AgentRow(
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id=data["id"],
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name=data["name"],
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description=data.get("description") or "",
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user_id=None,
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published=bool(data.get("published", True)),
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created_at=now,
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updated_at=now,
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)
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session.add(row)
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elif row.user_id is None:
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row.name = data["name"]
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row.description = data.get("description") or ""
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row.published = bool(data.get("published", True))
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row.updated_at = datetime.now(UTC)
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await session.commit()
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await session.refresh(row)
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return _row_to_dict(row)
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async def update(self, agent_id: str, user_id: str, data: dict[str, Any]) -> dict[str, Any] | None:
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async with self._sf() as session:
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row = await session.get(AgentRow, agent_id)
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if row is None or row.user_id != user_id:
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return None
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for key in ("name", "description", "published"):
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if key in data:
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setattr(row, key, data[key])
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row.updated_at = datetime.now(UTC)
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await session.commit()
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await session.refresh(row)
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return _row_to_dict(row)
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async def delete(self, agent_id: str, user_id: str) -> bool:
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async with self._sf() as session:
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row = await session.get(AgentRow, agent_id)
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if row is None or row.user_id != user_id:
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return False
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await session.delete(row)
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await session.commit()
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return True
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