refactor(model): 重构模型删除逻辑实现级联删除

- 删除原有的删除检查方法 checkDelete
- 新增 deleteModelItems 方法实现模型下指标和维度的级联删除
- 在模型删除时自动清理相关的指标和维度数据
- 移除对在线状态指标和维度的删除限制检查

headless/server/src/main/java/com/tencent/supersonic/headless/server/service/impl/ModelServiceImpl.java

@@ -167,13 +167,31 @@ public class ModelServiceImpl implements ModelService {
         if (datasourceDO == null) {
             return;
         }
-        checkDelete(id);
+        // cascade delete metrics and dimensions under the model
+        deleteModelItems(id, user);
         datasourceDO.setStatus(StatusEnum.DELETED.getCode());
         datasourceDO.setUpdatedAt(new Date());
         datasourceDO.setUpdatedBy(user.getName());
         modelRepository.updateModel(datasourceDO);
     }
 
+    private void deleteModelItems(Long modelId, User user) {
+        MetaFilter metaFilter = new MetaFilter();
+        metaFilter.setModelIds(Lists.newArrayList(modelId));
+        List<MetricResp> metricResps = metricService.getMetrics(metaFilter);
+        List<DimensionResp> dimensionResps = dimensionService.getDimensions(metaFilter);
+        List<Long> metricIds = metricResps.stream().map(MetricResp::getId)
+                .collect(Collectors.toList());
+        List<Long> dimensionIds = dimensionResps.stream().map(DimensionResp::getId)
+                .collect(Collectors.toList());
+        if (!CollectionUtils.isEmpty(metricIds)) {
+            metricService.deleteMetricBatch(metricIds, user);
+        }
+        if (!CollectionUtils.isEmpty(dimensionIds)) {
+            dimensionService.deleteDimensionBatch(dimensionIds, user);
+        }
+    }
+
     @Override
     public ItemDateResp getItemDate(ItemDateFilter dimension, ItemDateFilter metric) {
         List<DateInfoReq> itemDates = new ArrayList<>();
@@ -331,20 +349,6 @@ public class ModelServiceImpl implements ModelService {
         }
     }
 
-    private void checkDelete(Long modelId) {
-        MetaFilter metaFilter = new MetaFilter();
-        metaFilter.setModelIds(Lists.newArrayList(modelId));
-        List<MetricResp> metricResps = metricService.getMetrics(metaFilter);
-        List<DimensionResp> dimensionResps = dimensionService.getDimensions(metaFilter);
-        boolean validMetric = metricResps.stream().anyMatch(
-                metricResp -> Objects.equals(metricResp.getStatus(), StatusEnum.ONLINE.getCode()));
-        boolean validDimension = dimensionResps.stream().anyMatch(dimensionResp -> Objects
-                .equals(dimensionResp.getStatus(), StatusEnum.ONLINE.getCode()));
-        if (validMetric || validDimension) {
-            throw new RuntimeException("存在基于该模型创建的指标和维度, 暂不能删除, 请确认");
-        }
-    }
-
     private ItemDateResp calculateDateInternal(List<DateInfoReq> itemDates) {
         if (CollectionUtils.isEmpty(itemDates)) {
             log.warn("itemDates is empty!");