72 lines
2.6 KiB
Python
72 lines
2.6 KiB
Python
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"""Admin audit log API: read the append-only who/what/when trail, and clear it.
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Admin-only. The client renders these rows in a DataTable (client-side sort/filter/paginate), so
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this returns the most recent window of rows (capped) plus the true total, rather than paging
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server-side — the log stays small in practice (state-changing runs + admin actions only)."""
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from fastapi import APIRouter, Depends
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from sqlalchemy import delete, func, select
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from sqlalchemy.orm import Session
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from app import audit
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from app.audit import AuditAction
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from app.db import get_db
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from app.models import AuditLog, User
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from app.routes.admin import admin_user
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router = APIRouter(prefix="/api/admin/audit", tags=["admin"])
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# Cap the client-side window. The audit log is small by design; if it ever outgrows this we'd
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# switch the DataTable to server-side paging.
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MAX_ROWS = 2000
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def _serialize(row: AuditLog, actors: dict[int, str]) -> dict:
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return {
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"id": row.id,
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"created_at": row.created_at.isoformat() if row.created_at else None,
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# actor_id NULL = the scheduler/background did it (client shows "System"); a set id that
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# can't be resolved would mean a deleted user, but SET NULL makes that NULL — so present.
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"actor": actors.get(row.actor_id) if row.actor_id is not None else None,
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"action": row.action,
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"target_type": row.target_type,
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"target_id": row.target_id,
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"summary": row.summary,
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"before": row.before,
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"after": row.after,
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}
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@router.get("")
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def list_audit(
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limit: int = 500,
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_: User = Depends(admin_user),
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db: Session = Depends(get_db),
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) -> dict:
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limit = max(1, min(limit, MAX_ROWS))
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total = db.scalar(select(func.count()).select_from(AuditLog)) or 0
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rows = (
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db.execute(select(AuditLog).order_by(AuditLog.created_at.desc()).limit(limit))
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.scalars()
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.all()
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)
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actor_ids = {r.actor_id for r in rows if r.actor_id is not None}
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actors: dict[int, str] = {}
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if actor_ids:
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actors = dict(
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db.execute(select(User.id, User.email).where(User.id.in_(actor_ids))).all()
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)
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return {
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"items": [_serialize(r, actors) for r in rows],
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"total": total,
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"returned": len(rows),
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}
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@router.delete("")
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def clear_audit(admin: User = Depends(admin_user), db: Session = Depends(get_db)) -> dict:
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"""Clear the audit log. Leaves ONE row recording who cleared it + how many (tamper-evidence)."""
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n = db.execute(delete(AuditLog)).rowcount or 0
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audit.record(db, admin.id, AuditAction.AUDIT_CLEAR, summary=f"Cleared {n} audit entries")
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db.commit()
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return {"cleared": n}
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