refactor(biz): 重构Vlog 视频价格计算逻辑

- 移除 OrderBiz 中的固定价格设置，改为调用价格计算服务
- 删除 PriceBiz 中未使用的 IOnePricePurchaseService 注入
- 优化 AppOrderV2Controller 中的产品数量设置逻辑
- 新增 VideoTaskRepository 中的 getTaskDeviceCount 方法，用于获取任务设备数量
- 调整 GoodsServiceImpl 和 OrderServiceImpl 中的相关代码，使用新的设备数量获取方法

src/main/java/com/ycwl/basic/service/mobile/impl/GoodsServiceImpl.java

@@ -290,28 +290,8 @@ public class GoodsServiceImpl implements GoodsService {
         if (task == null) {
             return ApiResponse.fail("该vlog不存在或已失效");
         }
-        Map<String, Object> paramJson = JacksonUtil.parseObject(task.getTaskParams(), Map.class);
-        AtomicInteger deviceCount = new AtomicInteger();
         goodsDetailVO.setShotTime(taskTaskService.getTaskShotDate(task.getId()));
-        if (paramJson == null) {
-            deviceCount.set(1);
-        } else {
-            List<String> templatePlaceholder = templateRepository.getTemplatePlaceholder(task.getTemplateId());
-            paramJson.entrySet().stream()
-                    .filter(entry -> StringUtils.isNumeric(entry.getKey()))
-                    .forEach(entry -> {
-                        List<Object> jsonArray = JacksonUtil.parseArray(JacksonUtil.toJSONString(entry.getValue()), Object.class);
-                        if (jsonArray != null && !jsonArray.isEmpty()) {
-                            for (Object ignored : jsonArray) {
-                                if (templatePlaceholder.contains(entry.getKey())) {
-                                    deviceCount.getAndIncrement();
-                                    templatePlaceholder.remove(entry.getKey());
-                                }
-                            }
-                        }
-                    });
-        }
-        goodsDetailVO.setLensNum(deviceCount.get());
+        goodsDetailVO.setLensNum(videoTaskRepository.getTaskDeviceCount(task.getId()));
         CouponRecordQueryResp couponRecord = couponBiz.queryUserCouponRecord(task.getScenicId(), userId, task.getFaceId(), task.getTemplateId().toString());
         if (couponRecord != null) {
             if (couponRecord.isUsable()) {

src/main/java/com/ycwl/basic/service/pc/impl/OrderServiceImpl.java

@@ -298,19 +298,8 @@ public class OrderServiceImpl implements OrderService {
                     goods.setUrl(videoMapperById.getVideoUrl());
                     goods.setGoodsType(0);
                     goods.setTemplateCoverUrl(template.getCoverUrl());
-                    long deviceCount;
-                    if (task.getTaskParams() == null) {
-                        deviceCount = 1;
-                    } else {
-                        Map<String, Object> paramJson = JacksonUtil.parseObject(task.getTaskParams(), Map.class);
-                        List<String> templatePlaceholder = templateRepository.getTemplatePlaceholder(task.getTemplateId());
-                        deviceCount = paramJson.keySet().stream()
-                                .filter(StringUtils::isNumeric)
-                                .filter(templatePlaceholder::contains)
-                                .count();
-                    }
                     goods.setCreateTime(videoTaskRepository.getTaskShotDate(task.getId()));
-                    goods.setParts(Math.toIntExact(deviceCount));
+                    goods.setParts(videoTaskRepository.getTaskDeviceCount(task.getId()));
                     goodsList.add(goods);
                     item.setShootingTime(videoTaskRepository.getTaskShotDate(videoMapperById.getTaskId()));
                     item.setVideoUrl(videoMapperById.getVideoUrl());