Files
fund-tracer/backend/app/services/case_service.py
2026-03-11 16:28:04 +08:00

24 lines
794 B
Python

from uuid import UUID
from decimal import Decimal
from sqlalchemy import select, func
from sqlalchemy.ext.asyncio import AsyncSession
from app.models.case import Case
from app.models.assessment import FraudAssessment, ReviewStatus
async def recalculate_case_total(case_id: UUID, db: AsyncSession) -> float:
"""Recalculate and persist the total confirmed fraud amount for a case."""
result = await db.execute(
select(func.coalesce(func.sum(FraudAssessment.assessed_amount), 0))
.where(FraudAssessment.case_id == case_id)
.where(FraudAssessment.review_status == ReviewStatus.confirmed)
)
total = float(result.scalar() or 0)
case = await db.get(Case, case_id)
if case:
case.total_amount = total
await db.flush()
return total