Files
freelancer-match/backend/app/models/milestone.py
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Python

"""Модель Milestone-платежей (Upwork-style)."""
import uuid
from datetime import datetime, timezone
from sqlalchemy import Column, DateTime, Enum, Float, ForeignKey, func
from sqlalchemy.dialects.postgresql import UUID as PG_UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship
from app.core.database import Base
class Milestone(Base):
__tablename__ = "milestones"
id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
project_id: Mapped[uuid.UUID] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("projects.id"), nullable=False)
escrow_transaction_id: Mapped[uuid.UUID | None] = mapped_column(PG_UUID(as_uuid=True), ForeignKey("escrow_transactions.id"))
title: Mapped[str] = mapped_column(String(255), nullable=False)
description: Mapped[str | None] = mapped_column(Text)
amount: Mapped[float] = mapped_column(Float(precision=10, scale=2), nullable=False)
status: Mapped[str] = mapped_column(Enum("pending", "funded", "in_progress", "submitted", "approved", "disputed"), default="pending")
due_date: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
submitted_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
approved_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())