feat: update aftersales service types and serial format

services/aftersales_service_test.go

@@ -55,7 +55,7 @@ func createOrderFor(t *testing.T, user models.User, phone string) *models.Afters
 	return order
 }
 
-func TestAftersalesService_Create_GeneratesYYMMNNSerial(t *testing.T) {
+func TestAftersalesService_Create_GeneratesYYMMDDNNSerial(t *testing.T) {
 	user := seedTechnician(t, "aftersales_create_tech")
 	defer database.DB.Unscoped().Delete(&user)
 
@@ -72,7 +72,7 @@ func TestAftersalesService_Create_GeneratesYYMMNNSerial(t *testing.T) {
 	assert.NoError(t, err)
 	assert.NotNil(t, order)
 	assert.True(t, strings.HasPrefix(order.SerialNumber, "zjbf-sh-"))
-	assert.Len(t, order.SerialNumber, len("zjbf-sh-")+6, "default serial should be 6 digits (YYMMNN)")
+	assert.Len(t, order.SerialNumber, len("zjbf-sh-")+8, "default serial should be 8 digits (YYMMDDNN)")
 	assert.Equal(t, WorkOrderStatusCreated, order.WorkOrderStatus)
 	assert.Equal(t, AuthorizationStatusPending, order.AuthorizationStatus)
 	assert.NotNil(t, order.TechnicianID)
@@ -82,25 +82,25 @@ func TestAftersalesService_Create_GeneratesYYMMNNSerial(t *testing.T) {
 	database.DB.Unscoped().Where("company_name = ?", "AftersalesSerialCo").Delete(&models.Company{})
 }
 
-func TestAftersalesService_Create_SerialIncrementsWithinMonth(t *testing.T) {
+func TestAftersalesService_Create_SerialIncrementsWithinDay(t *testing.T) {
 	user := seedTechnician(t, "aftersales_seq_tech")
 	defer database.DB.Unscoped().Delete(&user)
 
 	svc := AftersalesService{}
 	first, err := svc.Create(models.CreateAftersalesOrderDTO{
 		CompanyName: "SeqCo", CompanyAddress: "addr", ContactName: "A", ContactPhone: "13800002000",
-		ServiceType: "other", IssueDescription: "issue 1",
+		ServiceType: "maintenance", IssueDescription: "issue 1",
 	}, user.ID)
 	assert.NoError(t, err)
 
 	second, err := svc.Create(models.CreateAftersalesOrderDTO{
 		CompanyName: "SeqCo", CompanyAddress: "addr", ContactName: "A", ContactPhone: "13800002000",
-		ServiceType: "other", IssueDescription: "issue 2",
+		ServiceType: "maintenance", IssueDescription: "issue 2",
 	}, user.ID)
 	assert.NoError(t, err)
 
 	assert.NotEqual(t, first.SerialNumber, second.SerialNumber)
-	// 第二单的序号应大于第一单（按月递增）
+	// 第二单的序号应大于第一单（按天递增）
 	assert.True(t, second.SerialNumber > first.SerialNumber)
 
 	database.DB.Unscoped().Delete(first)