From 42961dd789fc52ca8a3f3ff3d753e23477347944 Mon Sep 17 00:00:00 2001
From: zhaoxing <2558691827@qq.com>
Date: Sun, 25 Oct 2026 16:48:26 +0800
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---
 .../work-order-acceptance-evidence.test.ts    | 31 +++++++++++++++++++
 .../domain/work-order-acceptance-evidence.ts  | 15 +++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 apps/backend/src/domain/work-order-acceptance-evidence.test.ts
 create mode 100644 apps/backend/src/domain/work-order-acceptance-evidence.ts

diff --git a/apps/backend/src/domain/work-order-acceptance-evidence.test.ts b/apps/backend/src/domain/work-order-acceptance-evidence.test.ts
new file mode 100644
index 00000000..7645a878
--- /dev/null
+++ b/apps/backend/src/domain/work-order-acceptance-evidence.test.ts
@@ -0,0 +1,31 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+import { hasAcceptanceEvidence } from './work-order-acceptance-evidence.js'
+
+const VIDEO = { url: 'https://example.com/worker-acceptance-video/a.mp4', durationSeconds: 12 }
+
+test('验收证据：只有图片算有证据', () => {
+  assert.equal(hasAcceptanceEvidence({ imageUrls: ['https://example.com/a.jpg'] }), true)
+})
+
+test('验收证据：只有视频也算有证据（视频视同图片）', () => {
+  assert.equal(hasAcceptanceEvidence({ imageUrls: [], video: VIDEO }), true)
+})
+
+test('验收证据：图片与视频都有算有证据', () => {
+  assert.equal(
+    hasAcceptanceEvidence({ imageUrls: ['https://example.com/a.jpg'], video: VIDEO }),
+    true,
+  )
+})
+
+test('验收证据：图片视频都没有则没有证据', () => {
+  assert.equal(hasAcceptanceEvidence({ imageUrls: [], video: null }), false)
+  assert.equal(hasAcceptanceEvidence({}), false)
+  assert.equal(hasAcceptanceEvidence({ imageUrls: undefined, video: undefined }), false)
+})
+
+test('验收证据：兼容非数组的 imageUrls（脏数据按无图片处理）', () => {
+  assert.equal(hasAcceptanceEvidence({ imageUrls: null, video: VIDEO }), true)
+  assert.equal(hasAcceptanceEvidence({ imageUrls: null, video: null }), false)
+})
diff --git a/apps/backend/src/domain/work-order-acceptance-evidence.ts b/apps/backend/src/domain/work-order-acceptance-evidence.ts
new file mode 100644
index 00000000..d8d2bbb7
--- /dev/null
+++ b/apps/backend/src/domain/work-order-acceptance-evidence.ts
@@ -0,0 +1,15 @@
+/**
+ * 验收证据口径：验收图片与验收视频至少上传一个。
+ *
+ * 口径（已确认）：有视频时视同有图片，其它逻辑完全按「已上传图片」走——
+ * 打手端提交/保存验收的必填校验、VIP 免审核的 `evidenceStatus` / `evidenceDueAt`
+ * 判定都复用这个函数，避免整单与拼单份额两处口径漂移。
+ */
+export function hasAcceptanceEvidence(input: {
+  imageUrls?: readonly unknown[] | null
+  video?: unknown
+}): boolean {
+  const imageUrls = input.imageUrls
+  const imageCount = Array.isArray(imageUrls) ? imageUrls.length : 0
+  return imageCount > 0 || Boolean(input.video)
+}