fix cacheaop recommendpromotion

 package com.yoho.search.service.scene;
 
+import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
+import com.alibaba.fastjson.JSONArray;
 import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -88,7 +90,7 @@ public class FuzzySceneService extends AbstractSceneService {
 			// 4、获取自定义标签聚合结果
 			CompletableFuture<SearchApiResult> customizeTagFuture = CompletableFuture.supplyAsync(() -> sceneAggregationsHelper.secneAggCustomizeTag(this.newParamMap(paramMap)), executor);
 			// 5、获取促销专题
-			CompletableFuture<List<Object>> recommendPromotionFuture = CompletableFuture.supplyAsync(() -> recommendService.recommendPromotion(this.newParamMap(paramMap)),
+			CompletableFuture<SearchApiResult> recommendPromotionFuture = CompletableFuture.supplyAsync(() -> sceneAggregationsHelper.secneAggRecommendPromotion(this.newParamMap(paramMap)),
 					executor);
 
 			// 6、加入建议词
@@ -103,10 +105,15 @@ public class FuzzySceneService extends AbstractSceneService {
 			}
 			// 8、组合结果
 			SearchApiResult customizeTags = customizeTagFuture.get();
-			List<Object> recommendProducts = recommendPromotionFuture.get();
+			SearchApiResult recommendProducts = recommendPromotionFuture.get();
 			JSONObject dataMap = (JSONObject) productListResult.getData();
 			dataMap.put(CUSTOMIZE_TAG_LIST, customizeTags.getData());
-			dataMap.put(RECOMMEND_PROMOTION_LIST, recommendProducts);
+
+			if (recommendProducts.getData() == null) {
+				dataMap.put(RECOMMEND_PROMOTION_LIST, Collections.EMPTY_LIST);
+			} else {
+				dataMap.put(RECOMMEND_PROMOTION_LIST, subList(recommendProducts.getData(), StringUtils.isBlank(paramMap.get("page")) ? 1 : Integer.parseInt(paramMap.get("page")), 1));
+			}
 			return productListResult;
 		} catch (Exception e) {
 			logger.error(e.getMessage(), e);
@@ -171,4 +178,24 @@ public class FuzzySceneService extends AbstractSceneService {
 		// 1.6加入推荐词
 		dataMap.put("suggestion", searchRecommendService.recommend(searchResult, paramMap));
 	}
+
+	private List<Object> subList(Object source, int page, int count) {
+		try {
+			JSONArray sourceList = (JSONArray)source;
+			if (sourceList != null && !sourceList.isEmpty()) {
+				int start = (page - 1) * count;
+				int end = start + count;
+				if (start >= sourceList.size()) {
+					return Collections.emptyList();
+				}
+				if (end > sourceList.size()) {
+					end = sourceList.size();
+				}
+				return sourceList.subList(start, end);
+			}
+		} catch (Exception e) {
+			return Collections.emptyList();
+		}
+		return Collections.emptyList();
+	}
 }