feat: multi-module iteration

2026-08-04 21:38:49 +08:00
parent 9d96c73246
commit 71f508e02b
1366 changed files with 202004 additions and 0 deletions
@@ -0,0 +1,356 @@
+export interface ProductPricing {
+  price: number;
+  benefitAmount?: number | null;
+}
+
+export function calcBenefitAmount(product: ProductPricing): number {
+  return product.benefitAmount ?? product.price;
+}
+
+export function validateMinPurchase(
+  deliveryType: 'LOCAL' | 'CROSS_CITY' | 'ON_SITE_PICKUP',
+  quantity: number,
+  localMinQty: number,
+  crossMinQty: number,
+): { ok: boolean; message?: string } {
+  if (deliveryType === 'ON_SITE_PICKUP') {
+    const min = localMinQty > 0 ? localMinQty : 2;
+    if (quantity < min) {
+      return { ok: false, message: `现场提货至少购买 ${min} 瓶` };
+    }
+    return { ok: true };
+  }
+  const min = deliveryType === 'LOCAL' ? localMinQty : crossMinQty;
+  if (quantity < min) {
+    return {
+      ok: false,
+      message:
+        deliveryType === 'LOCAL'
+          ? `同城配送至少购买 ${min} 瓶`
+          : `跨城配送至少购买 ${min} 瓶（1箱）`,
+    };
+  }
+  return { ok: true };
+}
+
+export function validateRedeemAmount(
+  balance: number,
+  amount: number,
+  documentAmount?: number | null,
+): { ok: boolean; message?: string } {
+  if (amount <= 0) return { ok: false, message: '核销金额必须大于 0' };
+  if (amount > balance) return { ok: false, message: '核销金额不能超过可用余额' };
+  if (documentAmount != null && amount > documentAmount) {
+    return { ok: false, message: '核销金额不能超过该核销单可用金额' };
+  }
+  return { ok: true };
+}
+
+export interface BenefitCouponBalance {
+  id: string;
+  balance: number;
+  createdAt: number;
+}
+
+/** FIFO 跨多张权益券分配核销金额（购酒按单发券，展示为总余额） */
+export function allocateBenefitCoupons(
+  coupons: BenefitCouponBalance[],
+  amount: number,
+  documentAmount?: number | null,
+): { ok: true; allocations: Array<{ couponId: string; amount: number }> } | { ok: false; message: string } {
+  const active = coupons
+    .filter((c) => c.balance > 0)
+    .sort((a, b) => a.createdAt - b.createdAt);
+  const totalBalance = active.reduce((sum, c) => sum + c.balance, 0);
+  const check = validateRedeemAmount(totalBalance, amount, documentAmount);
+  if (!check.ok) return { ok: false, message: check.message! };
+
+  let remaining = amount;
+  const allocations: Array<{ couponId: string; amount: number }> = [];
+  for (const coupon of active) {
+    if (remaining <= 0) break;
+    const take = Math.min(coupon.balance, remaining);
+    allocations.push({ couponId: coupon.id, amount: take });
+    remaining = Math.round((remaining - take) * 100) / 100;
+  }
+
+  if (remaining > 0) {
+    return { ok: false, message: '权益余额不足' };
+  }
+
+  return { ok: true, allocations };
+}
+
+export function calcBenefitSummary(
+  balances: number[],
+): { totalBalance: number; maxRedeemAmount: number; activeCouponCount: number } {
+  const totalBalance = Math.round(balances.reduce((sum, b) => sum + b, 0) * 100) / 100;
+  return {
+    totalBalance,
+    maxRedeemAmount: totalBalance,
+    activeCouponCount: balances.length,
+  };
+}
+
+export function calcRedeemSettleAmount(amount: number, settlementRate: number): number {
+  return Math.round(amount * settlementRate * 100) / 100;
+}
+
+export function sumUnbilledPayoutAmount(payouts: Array<{ payoutAmount: number }>): number {
+  return Math.round(payouts.reduce((sum, p) => sum + Number(p.payoutAmount || 0), 0) * 100) / 100;
+}
+
+export type ValidateStoreWithdrawInput = {
+  availableAmount: number;
+  requestAmount: number;
+  todayApplied: number;
+  dailyLimit: number;
+  hasPendingRequest: boolean;
+  hasBankAccount: boolean;
+};
+
+/** 门店未出账提现护栏（FIN-002 单日上限 + 幂等/账户） */
+export function validateStoreWithdraw(
+  input: ValidateStoreWithdrawInput,
+): { ok: boolean; message?: string } {
+  if (!input.hasBankAccount) {
+    return { ok: false, message: '请先完善入驻收款账户后再提现' };
+  }
+  if (input.hasPendingRequest) {
+    return { ok: false, message: '已有待审核提现申请，请等待处理完成' };
+  }
+  if (!(input.requestAmount > 0)) {
+    return { ok: false, message: '提现金额必须大于 0' };
+  }
+  if (input.requestAmount > input.availableAmount + 1e-9) {
+    return { ok: false, message: '提现金额不能超过可提未出账余额' };
+  }
+  const remaining = Math.round((input.dailyLimit - input.todayApplied) * 100) / 100;
+  if (remaining <= 0) {
+    return { ok: false, message: `已达单店单日提现上限 ¥${input.dailyLimit.toFixed(2)}` };
+  }
+  if (input.requestAmount > remaining + 1e-9) {
+    return {
+      ok: false,
+      message: `超过单日剩余额度 ¥${remaining.toFixed(2)}（上限 ¥${input.dailyLimit.toFixed(2)}）`,
+    };
+  }
+  return { ok: true };
+}
+
+/**
+ * 按 FIFO 选取未出账 payout，使合计尽量等于 targetAmount（不超过目标）。
+ * 若无法精确凑齐，返回合计 ≤ target 的最长前缀子集。
+ */
+export function pickPayoutsForWithdrawAmount<T extends { payoutAmount: number }>(
+  payoutsAsc: T[],
+  targetAmount: number,
+): { ok: true; selected: T[]; amount: number } | { ok: false; message: string } {
+  if (!(targetAmount > 0)) return { ok: false, message: '提现金额必须大于 0' };
+  const selected: T[] = [];
+  let sum = 0;
+  for (const p of payoutsAsc) {
+    const next = Math.round((sum + Number(p.payoutAmount)) * 100) / 100;
+    if (next <= targetAmount + 1e-9) {
+      selected.push(p);
+      sum = next;
+      if (Math.abs(sum - targetAmount) < 1e-9) break;
+    } else {
+      break;
+    }
+  }
+  if (!selected.length) {
+    return { ok: false, message: '无可匹配的未出账结算明细，请调整提现金额' };
+  }
+  if (Math.abs(sum - targetAmount) > 1e-9) {
+    return {
+      ok: false,
+      message: `无法按 ¥${targetAmount.toFixed(2)} 精确匹配明细，请按可提总额全额提现或调整金额`,
+    };
+  }
+  return { ok: true, selected, amount: sum };
+}
+
+const TIME_HM_RE = /^([01]\d|2[0-3]):([0-5]\d)$/;
+
+export type BusinessHoursSegment = { open: string; close: string };
+
+export function timeToMinutes(hhmm: string): number {
+  const [h, m] = hhmm.split(':').map(Number);
+  return h * 60 + m;
+}
+
+/** 校验 1～2 段营业时间，例如 09:00-22:00 或 09:00-14:00 + 17:00-21:00 */
+export function validateBusinessHours(
+  segments: BusinessHoursSegment[],
+): { ok: boolean; message?: string } {
+  const cleaned = segments
+    .map((s) => ({ open: String(s.open || '').trim(), close: String(s.close || '').trim() }))
+    .filter((s) => s.open || s.close);
+  if (cleaned.length < 1) return { ok: false, message: '请设置营业时间' };
+  if (cleaned.length > 2) return { ok: false, message: '营业时间最多支持 2 段' };
+  for (let i = 0; i < cleaned.length; i++) {
+    const s = cleaned[i];
+    if (!TIME_HM_RE.test(s.open) || !TIME_HM_RE.test(s.close)) {
+      return { ok: false, message: `第 ${i + 1} 段时间格式须为 HH:MM` };
+    }
+    if (timeToMinutes(s.open) >= timeToMinutes(s.close)) {
+      return { ok: false, message: `第 ${i + 1} 段结束时间须晚于开始时间` };
+    }
+  }
+  if (cleaned.length === 2 && timeToMinutes(cleaned[0].close) >= timeToMinutes(cleaned[1].open)) {
+    return { ok: false, message: '第二段开始时间须晚于第一段结束时间' };
+  }
+  return { ok: true };
+}
+
+export function formatBusinessHours(store: {
+  openTime?: string | null;
+  closeTime?: string | null;
+  openTime2?: string | null;
+  closeTime2?: string | null;
+}): string {
+  const parts: string[] = [];
+  if (store.openTime && store.closeTime) {
+    parts.push(`${store.openTime}-${store.closeTime}`);
+  }
+  if (store.openTime2 && store.closeTime2) {
+    parts.push(`${store.openTime2}-${store.closeTime2}`);
+  }
+  return parts.length ? parts.join('，') : '10:00-22:00';
+}
+
+/** 物流（快递）按瓶计价规则，如小飞侠：2瓶6元、加一瓶+2元、6瓶一箱14元 */
+export const BOTTLES_PER_BOX = 6;
+
+/** 小飞侠自动推单上限箱数：达到该箱数起拦截，需总部确认后推单或自配送 */
+export const XFX_AUTO_DISPATCH_MAX_BOXES = 10;
+
+/** 按箱规向上取整得到箱数 */
+export function calcOrderBoxCount(quantity: number, bottlesPerBox = BOTTLES_PER_BOX): number {
+  const qty = Math.floor(Number(quantity) || 0);
+  if (qty <= 0 || !(bottlesPerBox > 0)) return 0;
+  return Math.ceil(qty / bottlesPerBox);
+}
+
+/** 是否因大单拦截自动推承运商（默认 ≥10 箱 = 60 瓶） */
+export function shouldHoldAutoCourierDispatch(
+  quantity: number,
+  options?: { bottlesPerBox?: number; maxBoxes?: number },
+): boolean {
+  const bottlesPerBox = options?.bottlesPerBox ?? BOTTLES_PER_BOX;
+  const maxBoxes = options?.maxBoxes ?? XFX_AUTO_DISPATCH_MAX_BOXES;
+  const qty = Math.floor(Number(quantity) || 0);
+  return qty >= bottlesPerBox * maxBoxes;
+}
+
+/** 物流（快递）按瓶计价规则，如小飞侠：2瓶6元、加一瓶+2元、6瓶一箱14元 */
+export type LogisticsPricingRule = {
+  baseBottles: number;
+  baseFee: number;
+  extraBottleFee: number;
+  boxBottles?: number;
+  boxFee?: number;
+};
+
+function roundMoney(n: number): number {
+  return Math.round(n * 100) / 100;
+}
+
+function calcLogisticsBottleLadder(quantity: number, rule: LogisticsPricingRule): number {
+  const qty = Math.floor(quantity);
+  if (qty <= 0) return 0;
+  if (qty <= rule.baseBottles) return rule.baseFee;
+  return rule.baseFee + (qty - rule.baseBottles) * rule.extraBottleFee;
+}
+
+/**
+ * 按承运商计价标准计算单票物流费。
+ * 配置了箱规时：整箱按 boxFee，余瓶按「起送瓶数/加瓶」阶梯。
+ */
+export function calcLogisticsFeeByBottles(quantity: number, rule: LogisticsPricingRule): number {
+  const qty = Math.floor(Number(quantity) || 0);
+  if (qty <= 0) return 0;
+  if (!(rule.baseBottles > 0) || !(rule.baseFee >= 0) || !(rule.extraBottleFee >= 0)) {
+    throw new Error('计价标准不完整');
+  }
+
+  const boxBottles = rule.boxBottles && rule.boxBottles > 0 ? rule.boxBottles : 0;
+  const boxFee = rule.boxFee != null && rule.boxFee >= 0 ? rule.boxFee : null;
+  if (boxBottles > 0 && boxFee != null) {
+    const boxes = Math.floor(qty / boxBottles);
+    const rem = qty % boxBottles;
+    return roundMoney(boxes * boxFee + calcLogisticsBottleLadder(rem, rule));
+  }
+  return roundMoney(calcLogisticsBottleLadder(qty, rule));
+}
+
+export function generateUserNo(): string {
+  const suffix = Math.floor(10000000 + Math.random() * 90000000);
+  return `DK${suffix}`;
+}
+
+export function generateOrderNo(): string {
+  const now = new Date();
+  const y = now.getFullYear();
+  const m = String(now.getMonth() + 1).padStart(2, '0');
+  const d = String(now.getDate()).padStart(2, '0');
+  const rand = String(Math.floor(Math.random() * 100000)).padStart(5, '0');
+  return `DK${y}${m}${d}${rand}`;
+}
+
+export function generateCouponNo(): string {
+  return `BC${Date.now()}${Math.floor(Math.random() * 1000)}`;
+}
+
+export function generateRedeemNo(): string {
+  return `RD${Date.now()}${Math.floor(Math.random() * 1000)}`;
+}
+
+export function generateRedeemPendingNo(): string {
+  return `RP${Date.now()}${Math.floor(Math.random() * 1000)}`;
+}
+
+/** 弱网核销：网络类失败达到该次数后触发兜底 */
+export const REDEEM_WEAKNET_FAIL_THRESHOLD = 5;
+
+export type RedeemErrorClass = 'NETWORK' | 'BUSINESS';
+
+/** 门店端/服务端共用：区分网络类与业务类核销错误（仅 NETWORK 计入 5 次） */
+export function classifyRedeemClientError(input: {
+  status?: number | null;
+  message?: string | null;
+}): RedeemErrorClass {
+  const status = input.status;
+  const message = (input.message ?? '').toLowerCase();
+  if (status != null && status >= 500) return 'NETWORK';
+  if (status === 0 || status === 408 || status === 429 || status === 502 || status === 503 || status === 504) {
+    return 'NETWORK';
+  }
+  if (
+    /failed to fetch|network|timeout|timed out|econnreset|econnrefused|etimedout|abort|offline|连接|网络|超时/.test(
+      message,
+    )
+  ) {
+    return 'NETWORK';
+  }
+  return 'BUSINESS';
+}
+
+export function orderTabToStatuses(tab: string): string[] | undefined {
+  switch (tab) {
+    case 'pending_pay':
+      return ['PENDING_PAY'];
+    case 'paid':
+    case 'pending_ship':
+    case 'pending_receive':
+      return ['PENDING_SHIP', 'OUT_WAREHOUSE', 'SHIPPING', 'PENDING_RECEIVE'];
+    case 'completed':
+      return ['COMPLETED'];
+    default:
+      return undefined;
+  }
+}
+
+export * from './city-partner';
+export * from './dev-plan';