29 lines
1.4 KiB
Python
29 lines
1.4 KiB
Python
from datetime import datetime
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from sqlalchemy import DateTime, ForeignKey, Integer, String, Text, UniqueConstraint
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from app.db.base import Base
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from app.models.document_line_item_version_item import DocumentLineItemVersionItem
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class DocumentLineItemSetVersion(Base):
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__tablename__ = "document_line_item_set_versions"
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__table_args__ = (
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UniqueConstraint("document_id", "version_number", name="uq_document_line_item_set_versions_doc_ver"),
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)
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id: Mapped[int] = mapped_column(primary_key=True, index=True)
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document_id: Mapped[int] = mapped_column(ForeignKey("documents.id"), nullable=False, index=True)
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version_number: Mapped[int] = mapped_column(Integer, nullable=False)
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schema_type: Mapped[str | None] = mapped_column(String(50), nullable=True)
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created_by: Mapped[str | None] = mapped_column(String(100), nullable=True)
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notes: Mapped[str | None] = mapped_column(Text, nullable=True)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, nullable=False)
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document: Mapped["Document"] = relationship(back_populates="line_item_set_versions")
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items: Mapped[list["DocumentLineItemVersionItem"]] = relationship(
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back_populates="set_version",
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cascade="all, delete-orphan",
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order_by="DocumentLineItemVersionItem.line_number",
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)
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