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