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Metamorph/backend/app/models/evidence.py

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2026-05-11 06:05:27 +02:00
"""Blue-team evidence files attached to a `mission_test`."""
from __future__ import annotations
import uuid
from datetime import datetime
from typing import TYPE_CHECKING
from sqlalchemy import BigInteger, DateTime, ForeignKey, Index, String, Text, Uuid, func
from sqlalchemy.orm import Mapped, mapped_column, relationship
from app.db.base import Base
from app.db.mixins import SoftDeleteMixin, TimestampMixin, UuidPkMixin
if TYPE_CHECKING:
from app.models.auth import User
class EvidenceFile(Base, UuidPkMixin, TimestampMixin, SoftDeleteMixin):
__tablename__ = "evidence_files"
mission_test_id: Mapped[uuid.UUID] = mapped_column(
Uuid(as_uuid=True),
ForeignKey("mission_tests.id", ondelete="CASCADE"),
nullable=False,
)
sha256: Mapped[str] = mapped_column(String(64), nullable=False)
mime: Mapped[str] = mapped_column(String(127), nullable=False)
size_bytes: Mapped[int] = mapped_column(BigInteger, nullable=False)
storage_path: Mapped[str] = mapped_column(Text, nullable=False)
original_filename: Mapped[str] = mapped_column(String(255), nullable=False)
uploaded_by_user_id: Mapped[uuid.UUID | None] = mapped_column(
Uuid(as_uuid=True),
ForeignKey("users.id", ondelete="SET NULL"),
nullable=True,
)
uploaded_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True), server_default=func.now(), nullable=False
)
uploaded_by: Mapped["User | None"] = relationship(back_populates="uploaded_evidence")
__table_args__ = (
Index("ix_evidence_files_mission_test", "mission_test_id"),
Index("ix_evidence_files_sha256", "sha256"),
Index(
"ix_evidence_files_active",
"deleted_at",
postgresql_where="deleted_at IS NULL",
),
)