88 lines
3.8 KiB
Python
88 lines
3.8 KiB
Python
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"""解析已登记的月度指导成本，不按名称或单位猜测。"""
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from datetime import date
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from decimal import Decimal, InvalidOperation
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from sqlalchemy import func, select
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from app.core.exceptions import BadRequestError
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from app.models import PayrollInput, TPlusFact
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def latest_guidance_facts(session, source):
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"""只读取指定账套每个指导成本事实键的最新版本。"""
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ids = select(func.max(TPlusFact.id)).where(
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TPlusFact.source_database == source, TPlusFact.kind == "GUIDANCE"
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).group_by(TPlusFact.fact_key)
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return {(fact.kind, fact.fact_key): fact for fact in session.scalars(select(TPlusFact).where(TPlusFact.id.in_(ids)))}
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def resolve_guidance(facts, product_id, line_id, month, unit):
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"""返回匹配状态和已封存事实；存在多条候选时不选择其中一条。"""
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candidates = [
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fact.data_json for (kind, _), fact in facts.items()
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if kind == "GUIDANCE"
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and fact.data_json.get("product_id") == product_id
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and fact.data_json.get("month") == month
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and (fact.data_json.get("basis") == "UNIT" or fact.data_json.get("shipment_line_id") == line_id)
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]
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if not candidates:
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return "MISSING", None
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if len(candidates) != 1:
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return "AMBIGUOUS", None
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guidance = candidates[0]
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if guidance.get("unit") != unit:
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return "UNIT_MISMATCH", None
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if not guidance.get("is_finalized"):
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return "UNFINALIZED", None
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return "FINALIZED", guidance
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def check_unit_guidance_conflicts(facts, product_id, month, unit, amount, frozen_shipments):
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"""新增产品月度单价前检查重叠事实和全部相关的历史封存明细。"""
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if any(
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kind == "GUIDANCE" and fact.data_json.get("product_id") == product_id
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and fact.data_json.get("month") == month
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for (kind, _), fact in facts.items()
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):
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raise BadRequestError("指导成本存在重叠记录，请先核对")
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try:
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expected = Decimal(str(amount))
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if not expected.is_finite() or expected < 0:
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raise ValueError
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for shipment in frozen_shipments:
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old = Decimal(str(shipment.get("unit_cost")))
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if not old.is_finite() or old < 0 or old != expected or shipment.get("unit") != unit:
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raise ValueError
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except (InvalidOperation, TypeError, ValueError):
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raise BadRequestError("已封存发货的成本或单位与指导价不一致，请先核对") from None
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def frozen_guidance_shipments(session, source, product_id, month):
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"""按不可变快照中的来源产品读取历史，不能依赖当前正式明细。"""
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query = (
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select(PayrollInput.data_json)
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.where(PayrollInput.source_database == source)
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.order_by(PayrollInput.id)
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.execution_options(yield_per=100)
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)
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for data in session.scalars(query):
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shipments = data.get("shipments") if isinstance(data, dict) else None
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if not isinstance(shipments, list):
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raise BadRequestError("已封存发货数据异常，请先核对")
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for shipment in shipments:
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if not isinstance(shipment, dict) or not shipment.get("line_id"):
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raise BadRequestError("已封存发货数据异常，请先核对")
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try:
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ship_date = date.fromisoformat(shipment["date"])
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except (KeyError, TypeError, ValueError):
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raise BadRequestError("已封存发货日期异常，请先核对") from None
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if ship_date.strftime("%Y-%m") != month:
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continue
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frozen_product = shipment.get("product_id")
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if frozen_product is None or str(frozen_product).strip() in ("", "None"):
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raise BadRequestError("已封存发货缺少来源产品身份，请先核对")
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if str(frozen_product) == str(product_id):
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yield shipment
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