tenant: admin order export csv

backend/app/services/order_test.go

@@ -827,6 +827,56 @@ func (s *OrderTestSuite) Test_AdminOrderDetail() {
 	})
 }
 
+func (s *OrderTestSuite) Test_AdminOrderExportCSV() {
+	Convey("Order.AdminOrderExportCSV", s.T(), func() {
+		ctx := s.T().Context()
+		now := time.Now().UTC()
+		tenantID := int64(1)
+
+		s.truncate(ctx, models.TableNameOrderItem, models.TableNameOrder, models.TableNameUser, models.TableNameContent)
+
+		Convey("参数非法应返回错误", func() {
+			_, err := Order.AdminOrderExportCSV(ctx, 0, &dto.AdminOrderListFilter{})
+			So(err, ShouldNotBeNil)
+		})
+
+		Convey("导出应返回 CSV 且包含表头", func() {
+			u := &models.User{
+				Username:  "alice",
+				Password:  "x",
+				Roles:     types.NewArray([]consts.Role{consts.RoleUser}),
+				Status:    consts.UserStatusVerified,
+				Metas:     types.JSON([]byte("{}")),
+				CreatedAt: now,
+				UpdatedAt: now,
+			}
+			So(u.Create(ctx), ShouldBeNil)
+
+			o := &models.Order{
+				TenantID:   tenantID,
+				UserID:     u.ID,
+				Type:       consts.OrderTypeContentPurchase,
+				Status:     consts.OrderStatusPaid,
+				Currency:   consts.CurrencyCNY,
+				AmountPaid: 123,
+				Snapshot:   types.JSON([]byte("{}")),
+				PaidAt:     now,
+				CreatedAt:  now,
+				UpdatedAt:  now,
+			}
+			So(o.Create(ctx), ShouldBeNil)
+
+			resp, err := Order.AdminOrderExportCSV(ctx, tenantID, &dto.AdminOrderListFilter{})
+			So(err, ShouldBeNil)
+			So(resp, ShouldNotBeNil)
+			So(resp.ContentType, ShouldEqual, "text/csv")
+			So(resp.Filename, ShouldContainSubstring, "tenant_1_orders_")
+			So(resp.CSV, ShouldContainSubstring, "id,tenant_id,user_id,type,status,amount_paid,paid_at,created_at")
+			So(resp.CSV, ShouldContainSubstring, "content_purchase")
+		})
+	})
+}
+
 func (s *OrderTestSuite) Test_AdminRefundOrder() {
 	Convey("Order.AdminRefundOrder", s.T(), func() {
 		ctx := s.T().Context()