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X-Financial/server/src/app/models/approval.py

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from __future__ import annotations
import uuid
from datetime import datetime
from sqlalchemy import DateTime, ForeignKey, String, Text, func
from sqlalchemy.orm import Mapped, mapped_column, relationship
from app.db.base_class import Base
class ApprovalRecord(Base):
__tablename__ = "approval_records"
id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
request_id: Mapped[str] = mapped_column(ForeignKey("reimbursement_requests.id"), index=True)
approver_id: Mapped[str | None] = mapped_column(ForeignKey("employees.id"), nullable=True)
action: Mapped[str] = mapped_column(String(50), index=True)
comment: Mapped[str | None] = mapped_column(Text(), nullable=True)
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
request = relationship("ReimbursementRequest", back_populates="approval_records")