state-hub/api/models/token_event.py

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import uuid
from datetime import datetime
from sqlalchemy import DateTime, ForeignKey, Integer, Text, func
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship
from api.models.base import Base, new_uuid
class TokenEvent(Base):
__tablename__ = "token_events"
id: Mapped[uuid.UUID] = mapped_column(
UUID(as_uuid=True), primary_key=True, default=new_uuid
)
task_id: Mapped[uuid.UUID | None] = mapped_column(
UUID(as_uuid=True), ForeignKey("tasks.id", ondelete="SET NULL"), nullable=True, index=True
)
workstream_id: Mapped[uuid.UUID | None] = mapped_column(
UUID(as_uuid=True), ForeignKey("workstreams.id", ondelete="SET NULL"), nullable=True, index=True
)
repo_id: Mapped[uuid.UUID | None] = mapped_column(
UUID(as_uuid=True), ForeignKey("managed_repos.id", ondelete="SET NULL"), nullable=True, index=True
)
session_id: Mapped[str | None] = mapped_column(Text, nullable=True)
model: Mapped[str | None] = mapped_column(Text, nullable=True)
tokens_in: Mapped[int] = mapped_column(Integer, nullable=False)
tokens_out: Mapped[int] = mapped_column(Integer, nullable=False)
agent: Mapped[str | None] = mapped_column(Text, nullable=True)
ref_type: Mapped[str | None] = mapped_column(Text, nullable=True)
ref_id: Mapped[str | None] = mapped_column(Text, nullable=True)
note: Mapped[str | None] = mapped_column(Text, nullable=True)
created_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True), server_default=func.now(), nullable=False, index=True
)
task: Mapped["Task | None"] = relationship("Task", lazy="selectin") # noqa: F821
workstream: Mapped["Workstream | None"] = relationship("Workstream", lazy="selectin") # noqa: F821
repo: Mapped["ManagedRepo | None"] = relationship("ManagedRepo", lazy="selectin") # noqa: F821