修复电子凭证销毁与飞飞订单金额

apps/backend/src/services/fulfillment/kuaishou-feifei/index.test.ts

@@ -4,6 +4,7 @@ import assert from 'node:assert/strict'
 import {
   buildFeifeiPlatformOrderNo,
   resolveKuaishouFeifeiClaimUrl,
+  resolveKuaishouFeifeiPlatformAmount,
 } from './index.js'
 import type { TaskRow } from '../../../types/repository/rows.js'
 
@@ -66,6 +67,27 @@ test('buildFeifeiPlatformOrderNo falls back to task number', () => {
   )
 })
 
+test('resolveKuaishouFeifeiPlatformAmount converts order fen amount to yuan', () => {
+  assert.equal(resolveKuaishouFeifeiPlatformAmount({
+    totalAmountFen: 3800,
+    quantity: 1,
+  }), 38)
+})
+
+test('resolveKuaishouFeifeiPlatformAmount splits amount by item quantity', () => {
+  assert.equal(resolveKuaishouFeifeiPlatformAmount({
+    totalAmountFen: 7600,
+    quantity: 2,
+  }), 38)
+})
+
+test('resolveKuaishouFeifeiPlatformAmount skips empty amount', () => {
+  assert.equal(resolveKuaishouFeifeiPlatformAmount({
+    totalAmountFen: 0,
+    quantity: 1,
+  }), 0)
+})
+
 function createTask(patch: Partial<TaskRow> = {}): TaskRow {
   return {
     id: 123,

apps/backend/src/services/fulfillment/kuaishou-feifei/index.ts

@@ -1,3 +1,5 @@
+import { getOrderItemById } from '../../../repositories/order-item-repo.js'
+import { getOrderById } from '../../../repositories/order-repo.js'
 import { createTaskEvent } from '../../../repositories/task-event-repo.js'
 import { updateTask } from '../../../repositories/task-repo.js'
 import { createHttpError } from '../../../utils/http.js'
@@ -59,11 +61,17 @@ export async function prepareKuaishouFeifeiTask(task: TaskRow) {
   }
 
   const platformOrderNo = flow.platformOrderNo || buildFeifeiPlatformOrderNo(task)
-  const order = await createKuaishouFeifeiOrder({
+  const platformAmount = await resolveKuaishouFeifeiTaskPlatformAmount(task)
+  const orderInput: Parameters<typeof createKuaishouFeifeiOrder>[0] = {
     platformOrderNo,
     productCode: flow.productCode,
     platformBuyNum: 1,
-  })
+  }
+  if (platformAmount > 0) {
+    orderInput.platformAmount = platformAmount
+  }
+
+  const order = await createKuaishouFeifeiOrder(orderInput)
   const feifeiClaimUrl = resolveKuaishouFeifeiOrderClaimUrl(order)
   if (!feifeiClaimUrl) {
     throw createHttpError('kuaishou-feifei 未返回领取链接', {
@@ -96,6 +104,7 @@ export async function prepareKuaishouFeifeiTask(task: TaskRow) {
       platformOrderNo,
       orderNo: order.orderNo,
       productCode: flow.productCode,
+      platformAmount,
       rechargeStatus: order.rechargeStatus,
       rechargeStatusLabel: order.rechargeStatusLabel,
       rechargeUrl: order.h5.rechargeUrl,
@@ -356,3 +365,36 @@ export function buildFeifeiPlatformOrderNo(task: TaskRow) {
 
   return `OS-FEIFEI-${task.id}`
 }
+
+export async function resolveKuaishouFeifeiTaskPlatformAmount(task: TaskRow) {
+  const [order, orderItem] = await Promise.all([
+    getOrderById(task.order_id),
+    getOrderItemById(task.order_item_id),
+  ])
+
+  return resolveKuaishouFeifeiPlatformAmount({
+    totalAmountFen: order?.total_amount,
+    quantity: orderItem?.quantity,
+  })
+}
+
+export function resolveKuaishouFeifeiPlatformAmount({
+  totalAmountFen,
+  quantity,
+}: {
+  totalAmountFen?: unknown
+  quantity?: unknown
+} = {}) {
+  const totalFen = normalizePositiveFen(totalAmountFen)
+  if (totalFen <= 0) {
+    return 0
+  }
+
+  const normalizedQuantity = Math.max(1, Math.trunc(Number(quantity || 1)) || 1)
+  return Number((totalFen / normalizedQuantity / 100).toFixed(2))
+}
+
+function normalizePositiveFen(value: unknown) {
+  const parsed = Number(value)
+  return Number.isFinite(parsed) && parsed > 0 ? Math.round(parsed) : 0
+}