feat(work-order): 后台支持修改用户付款金额并留痕

apps/frontend/tests/work-order-payment-loss.test.ts

@@ -1,7 +1,10 @@
 import assert from 'node:assert/strict'
 import test from 'node:test'
 
-import { getRewardAbovePayment } from '../src/pages/admin/panels/work-order-payment.ts'
+import {
+  getRewardAbovePayment,
+  getUserPaymentFen,
+} from '../src/pages/admin/panels/work-order-payment.ts'
 
 function orderWithPayment(paymentFen: number, rewardFen: number) {
   return {
@@ -35,3 +38,27 @@ test('可传入即将保存的发单金额做预检', () => {
   assert.equal(getRewardAbovePayment(order), null)
   assert.ok(getRewardAbovePayment(order, 1000))
 })
+
+test('getUserPaymentFen：送码实付优先，其次来源金额，最后派生列', () => {
+  assert.equal(
+    getUserPaymentFen({
+      material: { source: { orderAmountFen: 1000, kuaishouSendCode: { paymentFen: 900 } } },
+      sourceOrderAmount: 800,
+    }),
+    900,
+  )
+  assert.equal(
+    getUserPaymentFen({
+      material: { source: { orderAmountFen: 1000 } },
+      sourceOrderAmount: 800,
+    }),
+    1000,
+  )
+  assert.equal(getUserPaymentFen({ material: {}, sourceOrderAmount: 800 }), 800)
+})
+
+test('getUserPaymentFen：空值或非法值不误判成 0 元', () => {
+  assert.equal(getUserPaymentFen({ material: { source: { orderAmountFen: '' } } }), null)
+  assert.equal(getUserPaymentFen({ material: { source: { orderAmountFen: 'abc' } } }), null)
+  assert.equal(getUserPaymentFen({ material: {}, sourceOrderAmount: 0 }), null)
+})