document-processor/app/models/document_version.py

33 lines
1.2 KiB
Python

from datetime import datetime
from sqlalchemy import String, DateTime, ForeignKey, Text, Integer, BigInteger
from sqlalchemy.orm import Mapped, mapped_column, relationship
from app.db.base import Base
class DocumentVersion(Base):
__tablename__ = "document_versions"
id: Mapped[int] = mapped_column(primary_key=True, index=True)
document_id: Mapped[int] = mapped_column(
ForeignKey("documents.id"), nullable=False, index=True
)
version_number: Mapped[int] = mapped_column(Integer, nullable=False)
version_type: Mapped[str] = mapped_column(
String(50), nullable=False
) # original, corrected_pdf
file_path: Mapped[str] = mapped_column(Text, nullable=False)
sha256: Mapped[str | None] = mapped_column(String(64), nullable=True)
file_size_bytes: Mapped[int | None] = mapped_column(BigInteger, nullable=True)
created_by: Mapped[str | None] = mapped_column(String(100), nullable=True)
notes: Mapped[str | None] = mapped_column(Text, nullable=True)
created_at: Mapped[datetime] = mapped_column(
DateTime, default=datetime.utcnow, nullable=False
)
document: Mapped["Document"] = relationship(back_populates="versions")