Kitos
51c927394d
- Replace default=datetime.utcnow with server_default=func.now() across all 16 models (17 columns) for consistent, timezone-aware timestamps from PostgreSQL - Upgrade DateTime columns to DateTime(timezone=True) for timestamptz storage - Configure SQLAlchemy engine pool: pool_size=20, max_overflow=10, pool_recycle=3600, pool_pre_ping=True - Remove unused datetime imports from model files
77 lines
2.6 KiB
Python
77 lines
2.6 KiB
Python
"""Coverage snapshot models — periodic snapshots of coverage state.
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CoverageSnapshot stores aggregate metrics at a point in time.
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SnapshotTechniqueState stores per-technique state (normalized, one row
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per technique per snapshot) to avoid bloated JSONB fields.
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"""
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import uuid
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from sqlalchemy import (
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Column, String, Float, Integer, DateTime,
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ForeignKey, Index, func,
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)
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from sqlalchemy.dialects.postgresql import UUID
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from sqlalchemy.orm import relationship
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from app.database import Base
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class CoverageSnapshot(Base):
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"""A point-in-time snapshot of the organisation's overall coverage."""
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__tablename__ = "coverage_snapshots"
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id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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name = Column(String, nullable=True) # e.g. "Pre-remediación Q1"
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organization_score = Column(Float, nullable=False)
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total_techniques = Column(Integer, nullable=False)
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validated_count = Column(Integer, nullable=False)
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partial_count = Column(Integer, nullable=False)
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not_covered_count = Column(Integer, nullable=False)
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in_progress_count = Column(Integer, nullable=False)
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not_evaluated_count = Column(Integer, nullable=False)
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created_by = Column(
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UUID(as_uuid=True),
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ForeignKey("users.id", ondelete="SET NULL"),
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nullable=True,
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)
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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# Relationships
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creator = relationship("User", foreign_keys=[created_by])
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technique_states = relationship(
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"SnapshotTechniqueState",
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back_populates="snapshot",
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cascade="all, delete-orphan",
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)
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class SnapshotTechniqueState(Base):
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"""Per-technique state within a snapshot (normalised storage)."""
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__tablename__ = "snapshot_technique_states"
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id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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snapshot_id = Column(
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UUID(as_uuid=True),
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ForeignKey("coverage_snapshots.id", ondelete="CASCADE"),
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nullable=False,
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)
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technique_id = Column(
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UUID(as_uuid=True),
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ForeignKey("techniques.id", ondelete="CASCADE"),
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nullable=False,
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)
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mitre_id = Column(String, nullable=False) # denormalised for fast queries
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status = Column(String, nullable=False)
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score = Column(Float, nullable=True)
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# Relationships
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snapshot = relationship("CoverageSnapshot", back_populates="technique_states")
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technique = relationship("Technique")
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__table_args__ = (
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Index("ix_snapshot_technique_states_snapshot", "snapshot_id"),
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Index("ix_snapshot_technique_states_technique", "technique_id"),
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)
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