25 lines
1.3 KiB
Python
25 lines
1.3 KiB
Python
import uuid
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from datetime import datetime
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from sqlalchemy import String, DateTime, Text, ForeignKey, Integer
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from sqlalchemy.dialects.postgresql import UUID
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from app.database import Base
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class Material(Base):
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__tablename__ = "materials"
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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name: Mapped[str] = mapped_column(String(200), nullable=False, unique=True)
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description: Mapped[str] = mapped_column(Text, nullable=True)
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source: Mapped[str] = mapped_column(String(20), nullable=False, default="manual")
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schaeffler_code: Mapped[int | None] = mapped_column(Integer, nullable=True)
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created_by: Mapped[uuid.UUID | None] = mapped_column(
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UUID(as_uuid=True), ForeignKey("users.id", ondelete="SET NULL"), nullable=True
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)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, nullable=False)
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updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
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creator: Mapped["User"] = relationship("User", foreign_keys=[created_by], lazy="select") # type: ignore[name-defined]
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aliases = relationship("MaterialAlias", back_populates="material", cascade="all, delete-orphan")
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