fix: merchant not required at customer create api

api_man/tests.py

@@ -734,7 +734,7 @@ class SupplierAPITestCase(TestCase):
 
 
 class CustomerAPITestCase(TestCase):
-    """测试客户 API（支持 name 查询参数）"""
+    """测试客户 API（支持 name 和 visible_employee_name 查询参数）"""
 
     def setUp(self):
         self.merchant = Merchant.objects.create(
@@ -767,6 +767,26 @@ class CustomerAPITestCase(TestCase):
         response = self.client.post('/api/backend/customers/', data, format='json')
         self.assertEqual(response.status_code, status.HTTP_201_CREATED)
         self.assertEqual(response.data['name'], '测试客户')
+        customer = Customer.objects.get(id=response.data['id'])
+        self.assertEqual(customer.merchant, self.merchant)
+        self.assertEqual(customer.created_by, self.employee)
+
+    def test_create_customer_ignores_explicit_merchant_param(self):
+        """测试创建客户时即使前端显式传 merchant，也以当前用户商户为准"""
+        other_merchant = Merchant.objects.create(
+            name='其他商户',
+            type=MerchantTypeEnum.STORE,
+        )
+        data = {
+            'name': '兼容客户',
+            'merchant': other_merchant.id,
+        }
+
+        response = self.client.post('/api/backend/customers/', data, format='json')
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+        customer = Customer.objects.get(id=response.data['id'])
+        self.assertEqual(customer.merchant, self.merchant)
+        self.assertEqual(customer.created_by, self.employee)
 
     def test_filter_customers_by_name(self):
         """测试通过 name 查询参数过滤客户"""
@@ -779,6 +799,53 @@ class CustomerAPITestCase(TestCase):
         self.assertEqual(len(results), 1)
         self.assertEqual(results[0]['name'], '客户A')
 
+    def test_filter_customers_by_visible_employee_name(self):
+        """测试通过 visible_employee_name 查询参数过滤客户"""
+        visible_employee = Employee.objects.create(
+            merchant=self.merchant,
+            name='李四业务',
+        )
+        other_employee = Employee.objects.create(
+            merchant=self.merchant,
+            name='王五跟单',
+        )
+        customer_a = Customer.objects.create(
+            merchant=self.merchant,
+            name='客户A',
+            created_by=self.employee,
+        )
+        customer_b = Customer.objects.create(
+            merchant=self.merchant,
+            name='客户B',
+            created_by=self.employee,
+        )
+        customer_a.visible_employees.add(visible_employee)
+        customer_b.visible_employees.add(other_employee)
+
+        response = self.client.get('/api/backend/customers/?visible_employee_name=李四')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        results = response.data['results'] if isinstance(response.data, dict) else response.data
+        self.assertEqual(len(results), 1)
+        self.assertEqual(results[0]['id'], customer_a.id)
+
+    def test_filter_customers_by_visible_employee_name_returns_distinct_results(self):
+        """测试 visible_employee_name 过滤不会因多名匹配员工导致客户重复"""
+        customer = Customer.objects.create(
+            merchant=self.merchant,
+            name='客户A',
+            created_by=self.employee,
+        )
+        customer.visible_employees.add(
+            Employee.objects.create(merchant=self.merchant, name='销售张三'),
+            Employee.objects.create(merchant=self.merchant, name='客服张三'),
+        )
+
+        response = self.client.get('/api/backend/customers/?visible_employee_name=张三')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        results = response.data['results'] if isinstance(response.data, dict) else response.data
+        self.assertEqual(len(results), 1)
+        self.assertEqual(results[0]['id'], customer.id)
+
 
 class VehicleTypeAPITestCase(TestCase):
     """测试车辆类型 API（支持 name 查询参数）"""