MemGPT/letta/orm/group.py

37 lines
1.9 KiB
Python

import uuid
from typing import List, Optional
from sqlalchemy import JSON, ForeignKey, String
from sqlalchemy.orm import Mapped, mapped_column, relationship
from letta.orm.mixins import OrganizationMixin
from letta.orm.sqlalchemy_base import SqlalchemyBase
from letta.schemas.group import Group as PydanticGroup
class Group(SqlalchemyBase, OrganizationMixin):
__tablename__ = "groups"
__pydantic_model__ = PydanticGroup
id: Mapped[str] = mapped_column(String, primary_key=True, default=lambda: f"group-{uuid.uuid4()}")
description: Mapped[str] = mapped_column(nullable=False, doc="")
manager_type: Mapped[str] = mapped_column(nullable=False, doc="")
manager_agent_id: Mapped[Optional[str]] = mapped_column(String, ForeignKey("agents.id", ondelete="RESTRICT"), nullable=True, doc="")
termination_token: Mapped[Optional[str]] = mapped_column(nullable=True, doc="")
max_turns: Mapped[Optional[int]] = mapped_column(nullable=True, doc="")
background_agents_interval: Mapped[Optional[int]] = mapped_column(nullable=True, doc="")
turns_counter: Mapped[Optional[int]] = mapped_column(nullable=True, doc="")
last_processed_message_id: Mapped[Optional[str]] = mapped_column(nullable=True, doc="")
# relationships
organization: Mapped["Organization"] = relationship("Organization", back_populates="groups")
agent_ids: Mapped[List[str]] = mapped_column(JSON, nullable=False, doc="Ordered list of agent IDs in this group")
agents: Mapped[List["Agent"]] = relationship(
"Agent", secondary="groups_agents", lazy="selectin", passive_deletes=True, back_populates="groups"
)
shared_blocks: Mapped[List["Block"]] = relationship(
"Block", secondary="groups_blocks", lazy="selectin", passive_deletes=True, back_populates="groups"
)
manager_agent: Mapped["Agent"] = relationship("Agent", lazy="joined", back_populates="multi_agent_group")