PayrollManagementSystem/backend/app/services/param_registry.py

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"""计提参数目录注册表。
注册表是**迁移种子与运行期校验的唯一来源**:编码、默认值、取值域在此定义
一次;新增参数 = 改这里 + 生成迁移种子(两者一致性由测试锁定)。
值一律以 Fraction 可解析字符串表示(如 "4/360",禁 0.011111 —— 见算法红线)。
"""
from dataclasses import dataclass
from fractions import Fraction
from app.core.exceptions import BadRequestError
@dataclass(frozen=True, slots=True)
class ParamSpec:
"""单个参数的元数据(与 param_definitions 表字段一一对应)。"""
code: str
name: str
group: str
value_type: str
unit: str | None
dimension_type: str
options: tuple[str, ...] | None
default_value: str | None
value_min: str | None
value_max: str | None
description: str | None
sort_order: int
PARAM_REGISTRY: dict[str, ParamSpec] = {
spec.code: spec
for spec in [
ParamSpec(
code="salesperson.rate.start",
name="业务员起始计提比例",
group="业务员个人户",
value_type="DECIMAL",
unit="‰",
dimension_type="BUSINESS_ROLE",
options=None,
default_value="10",
value_min="0",
value_max=None,
description="线性递减段起始值:比例 = 起始 − 回款天数 × 斜率(≤分界天数)",
sort_order=1,
),
ParamSpec(
code="salesperson.rate.slope",
name="业务员日递减斜率",
group="业务员个人户",
value_type="DECIMAL",
unit="‰/天",
dimension_type="BUSINESS_ROLE",
options=None,
default_value="4/360",
value_min="0",
value_max=None,
description="精确分数 4/360‰/天(=1/90),禁止按 0.011111 截断存储",
sort_order=2,
),
ParamSpec(
code="salesperson.rate.floor",
name="业务员计提下限",
group="业务员个人户",
value_type="DECIMAL",
unit="‰",
dimension_type="BUSINESS_ROLE",
options=None,
default_value="4",
value_min="0",
value_max=None,
description="回款天数超过分界天数后固定取此比例(≥361 天 = 4‰)",
sort_order=3,
),
ParamSpec(
code="salesperson.days.boundary",
name="线性递减分界天数",
group="业务员个人户",
value_type="INT",
unit="天",
dimension_type="BUSINESS_ROLE",
options=None,
default_value="360",
value_min="0",
value_max=None,
description="≤分界天数按公式线性递减(360 天=6‰);超过则取下限",
sort_order=4,
),
ParamSpec(
code="manager.share.team",
name="经理本团队分成比例",
group="经理分成",
value_type="DECIMAL",
unit="%",
dimension_type="BUSINESS_ROLE",
options=None,
default_value="12.5",
value_min="0",
value_max="100",
description="∑本人带领业务员绩效 × 此比例(限本团队)",
sort_order=5,
),
ParamSpec(
code="manager.share.company",
name="经理全公司分成比例",
group="经理分成",
value_type="DECIMAL",
unit="%",
dimension_type="BUSINESS_ROLE",
options=None,
default_value="5",
value_min="0",
value_max="100",
description="∑全部业务员绩效 × 此比例(全公司)",
sort_order=6,
),
ParamSpec(
code="enterprise.rate",
name="企业户计提比例",
group="企业户",
value_type="DECIMAL",
unit="‰",
dimension_type="PRODUCT_CATEGORY",
options=None,
default_value="3",
value_min="0",
value_max=None,
description="所有企业户适用;2026-08-13 起由 2‰ 提高至 3‰",
sort_order=7,
),
ParamSpec(
code="info.rate",
name="信息员计提比例",
group="信息员",
value_type="DECIMAL",
unit="‰",
dimension_type="BUSINESS_ROLE",
options=None,
default_value="1",
value_min="0",
value_max=None,
description="信息员绩效 = 本人销售额 × 此比例",
sort_order=8,
),
ParamSpec(
code="prepay.rate",
name="预付款计提比例",
group="支付环节",
value_type="DECIMAL",
unit="‰",
dimension_type="NONE",
options=None,
default_value="10",
value_min="0",
value_max=None,
description="预付款统一按此比例计提",
sort_order=9,
),
ParamSpec(
code="barter.discount",
name="以物抵顶折算比例",
group="支付环节",
value_type="DECIMAL",
unit="%",
dimension_type="NONE",
options=None,
default_value="80",
value_min="0",
value_max="100",
description="以物抵顶回款绩效按应发绩效的此比例折算",
sort_order=10,
),
ParamSpec(
code="payment.start.ratio",
name="支付起付比例",
group="支付环节",
value_type="DECIMAL",
unit="%",
dimension_type="NONE",
options=None,
default_value="60",
value_min="0",
value_max="100",
description="单项业务回款额达销售额(不含运费)此比例后起付;达标前累计",
sort_order=11,
),
ParamSpec(
code="payment.weight.mode",
name="支付权重应用方式",
group="支付环节",
value_type="ENUM",
unit=None,
dimension_type="NONE",
options=("FULL", "BALANCE"),
default_value="FULL",
value_min=None,
value_max=None,
description="FULL=按 R×R 乘当月全额应发绩效;BALANCE=乘余额(语义待 M3 前确认)",
sort_order=12,
),
ParamSpec(
code="product.threshold",
name="折算毛利润额阈值",
group="产品阈值",
value_type="DECIMAL",
unit="%",
dimension_type="PRODUCT_CATEGORY",
options=None,
default_value="30",
value_min="0",
value_max="100",
description="折算毛利润额 = 销售额 ×(毛利润率 − 阈值);市政水利 30%、轨交 20%",
sort_order=13,
),
ParamSpec(
code="salary.basic.mode",
name="月工资基本工资口径",
group="月工资口径",
value_type="ENUM",
unit=None,
dimension_type="BUSINESS_ROLE",
options=("INCLUDE", "DEDUCT", "EXCLUDE"),
default_value="INCLUDE",
value_min=None,
value_max=None,
description="INCLUDE含基本工资 / DEDUCT扣除基本工资 / EXCLUDE不计",
sort_order=14,
),
ParamSpec(
code="probation.annual.threshold",
name="试用期年累计结算阈值",
group="月工资口径",
value_type="DECIMAL",
unit="元",
dimension_type="NONE",
options=None,
default_value="18000",
value_min="0",
value_max=None,
description="试用期年累计绩效超过此值部分年底一次性结算",
sort_order=15,
),
ParamSpec(
code="approval.secondary_allocation.enabled",
name="二次分配审批开关",
group="审批开关",
value_type="BOOL",
unit=None,
dimension_type="NONE",
options=None,
default_value="1",
value_min=None,
value_max=None,
description=(
"0=二次分配方案提交即生效(系统自动通过全节点留痕,留痕不断链);"
"1=提交后进入财务复核→领导审核审批流。"
"默认开启(澄清 #5 业务答复 2026-10-19),业务可关闭"
),
sort_order=17,
),
ParamSpec(
code="approval.monthly_settlement.enabled",
name="月度结算审批开关",
group="审批开关",
value_type="BOOL",
unit=None,
dimension_type="NONE",
options=None,
default_value="1",
value_min=None,
value_max=None,
description=(
"月度结算审批链开关(④ 月结提交时消费):"
"0=结算生成即生效,1=走财务复核→领导审核审批流。"
"默认开启(澄清 #7 业务答复 2026-10-19,月结涉及工资发放从严),业务可关闭"
),
sort_order=18,
),
ParamSpec(
code="approval.adjustment.enabled",
name="调整单审批开关",
group="审批开关",
value_type="BOOL",
unit=None,
dimension_type="NONE",
options=None,
default_value="0",
value_min=None,
value_max=None,
description=(
"0=调整单提交即生效(系统自动通过留痕);1=走财务复核→领导审核审批流。"
"调整单是已锁定月份补发/扣减的唯一通道(澄清 #9:走同一审批链,"
"默认值业务未明确,暂按直接生效,业务可开启)"
),
sort_order=19,
),
ParamSpec(
code="manager.personal.included",
name="经理个人户计入聚合基数",
group="经理分成",
value_type="BOOL",
unit=None,
dimension_type="NONE",
options=None,
default_value="0",
value_min=None,
value_max=None,
description=(
"经理 12.5%+5% 聚合时是否计入经理本人名下经理个人户业绩(澄清 #12 "
"业务答复 2026-10-19:作为参数配置、手动调整是否纳入):"
"0=不计入(默认,暂口径) 1=计入"
),
sort_order=20,
),
]
}
def get_spec(code: str) -> ParamSpec:
"""取参数元数据。未注册编码属代码缺陷(500),不是用户错误。"""
spec = PARAM_REGISTRY.get(code)
if spec is None:
raise ValueError(f"参数编码未注册:{code}")
return spec
def parse_fraction(text: str) -> Fraction:
"""Fraction 精确解析("4/360" → 1/90,不经 float)。非法输入抛 400。"""
try:
return Fraction(text.strip())
except (ValueError, ZeroDivisionError) as exc:
raise BadRequestError(f"参数值无法解析为数值:{text}") from exc
def validate_and_normalize(spec: ParamSpec, raw: str) -> str:
"""按元数据校验并规范化参数值,返回可入库字符串。
DECIMAL:Fraction 解析 + 取值域校验,分数式原样保留("4/360" 不截断);
INT:必须整数;BOOL:仅 0/1;ENUM:必须命中 options;TEXT:原样返回。
"""
value = raw.strip()
if spec.value_type in {"DECIMAL", "INT"}:
fraction = parse_fraction(value)
if spec.value_type == "INT" and fraction.denominator != 1:
raise BadRequestError(f"参数 {spec.code} 必须为整数:{raw}")
if spec.value_min is not None and fraction < parse_fraction(spec.value_min):
raise BadRequestError(f"参数 {spec.code} 低于取值下限 {spec.value_min}:{raw}")
if spec.value_max is not None and fraction > parse_fraction(spec.value_max):
raise BadRequestError(f"参数 {spec.code} 高于取值上限 {spec.value_max}:{raw}")
return value
if spec.value_type == "BOOL":
if value not in {"0", "1"}:
raise BadRequestError(f"参数 {spec.code} 仅接受 0/1:{raw}")
return value
if spec.value_type == "ENUM":
if not spec.options or value not in spec.options:
allowed = "/".join(spec.options or ())
raise BadRequestError(f"参数 {spec.code} 取值须为 {allowed}:{raw}")
return value
return value