57 lines
2.4 KiB
Python
57 lines
2.4 KiB
Python
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"""正式核算与试算共用计提规则；比例保持 Fraction，产品覆盖存于参数版本。"""
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from fractions import Fraction
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from app.services import formula
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PERSONAL_FIELDS = ("first", "start", "slope", "floor", "boundary")
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BASE_CODES = {
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"first": "salesperson.rate.start",
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"start": "salesperson.rate.start",
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"slope": "salesperson.rate.slope",
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"floor": "salesperson.rate.floor",
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"boundary": "salesperson.days.boundary",
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}
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def personal_values(snapshot, category):
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"""未维护产品专属项时，继续使用同日期的通用参数，不复制初始值。"""
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result = {}
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for field in PERSONAL_FIELDS:
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code = f"coefficient.personal.{field}"
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overrides = snapshot._values.get(code, {})
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result[field] = overrides.get(
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category, overrides.get("", snapshot.get(BASE_CODES[field], role_code="salesperson"))
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)
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return result
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def decide(params, *, category, customer_type, role_code, days, prepayment=False):
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"""返回纯比例和计算基数类型。经理个人户排除优先于预收／企业户。"""
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if role_code == "sales_manager" or customer_type == "manager_personal":
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return Fraction(0), "converted", "经理本人／经理个人户不单笔计提"
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if role_code == "info_officer":
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return Fraction(str(params.get("info", "1"))) / 1000, "sales", "信息员按销售额计提"
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if prepayment:
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personal = params.get("personal", {}).get(category, params)
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maximum = max(
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Fraction(str(personal.get(key, personal["start"])))
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for key in ("first", "start", "floor")
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)
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return maximum / 1000, "converted", "预收发货后按最高比例计提"
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if customer_type == "enterprise":
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value = params.get("enterprise_by_category", {}).get(category, params["enterprise"])
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return Fraction(str(value)) / 1000, "converted", "企业户按产品分类固定计提"
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values = params.get("personal", {}).get(category, params)
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if days <= 1:
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rate = Fraction(str(values.get("first", values["start"]))) / 1000
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else:
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rate = formula.salesperson_rate(
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days,
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start=Fraction(str(values["start"])),
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slope=Fraction(str(values["slope"])),
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floor=Fraction(str(values["floor"])),
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boundary_days=int(Fraction(str(values.get("boundary", 360)))),
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)
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return rate, "converted", "个人户按产品分类及回款阶段计提"
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