MemGPT/letta/orm/identity.py
2025-03-12 12:09:31 -07:00

70 lines
2.8 KiB
Python

import uuid
from typing import List, Optional
from sqlalchemy import String, UniqueConstraint
from sqlalchemy.dialects.postgresql import JSON
from sqlalchemy.orm import Mapped, mapped_column, relationship
from letta.orm.mixins import OrganizationMixin
from letta.orm.sqlalchemy_base import SqlalchemyBase
from letta.schemas.identity import Identity as PydanticIdentity
from letta.schemas.identity import IdentityProperty
class Identity(SqlalchemyBase, OrganizationMixin):
"""Identity ORM class"""
__tablename__ = "identities"
__pydantic_model__ = PydanticIdentity
__table_args__ = (
UniqueConstraint(
"identifier_key",
"project_id",
"organization_id",
name="unique_identifier_key_project_id_organization_id",
postgresql_nulls_not_distinct=True,
),
)
id: Mapped[str] = mapped_column(String, primary_key=True, default=lambda: f"identity-{uuid.uuid4()}")
identifier_key: Mapped[str] = mapped_column(nullable=False, doc="External, user-generated identifier key of the identity.")
name: Mapped[str] = mapped_column(nullable=False, doc="The name of the identity.")
identity_type: Mapped[str] = mapped_column(nullable=False, doc="The type of the identity.")
project_id: Mapped[Optional[str]] = mapped_column(nullable=True, doc="The project id of the identity.")
properties: Mapped[List["IdentityProperty"]] = mapped_column(
JSON, nullable=False, default=list, doc="List of properties associated with the identity"
)
# relationships
organization: Mapped["Organization"] = relationship("Organization", back_populates="identities")
agents: Mapped[List["Agent"]] = relationship(
"Agent", secondary="identities_agents", lazy="selectin", passive_deletes=True, back_populates="identities"
)
blocks: Mapped[List["Block"]] = relationship(
"Block", secondary="identities_blocks", lazy="selectin", passive_deletes=True, back_populates="identities"
)
@property
def agent_ids(self) -> List[str]:
"""Get just the agent IDs without loading the full agent objects"""
return [agent.id for agent in self.agents]
@property
def block_ids(self) -> List[str]:
"""Get just the block IDs without loading the full agent objects"""
return [block.id for block in self.blocks]
def to_pydantic(self) -> PydanticIdentity:
state = {
"id": self.id,
"identifier_key": self.identifier_key,
"name": self.name,
"identity_type": self.identity_type,
"project_id": self.project_id,
"agent_ids": self.agent_ids,
"block_ids": self.block_ids,
"organization_id": self.organization_id,
"properties": self.properties,
}
return PydanticIdentity(**state)