关注列表

community-api/src/main/java/com/tanpu/community/api/beans/req/page/Page.java

 package com.tanpu.community.api.beans.req.page;
 
 import com.github.pagehelper.PageHelper;
-import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 
@@ -9,7 +8,6 @@ import java.util.List;
 
 @Data
 @Builder
-@AllArgsConstructor
 public class Page<T> {
 
     private Integer pageNum;
@@ -94,6 +92,13 @@ public class Page<T> {
         }
     }
 
+    public Page(Integer pageNum, Integer pageSize, Long totalSize, Integer totalPages, List<T> content) {
+        this.pageNum = pageNum;
+        this.pageSize = pageSize;
+        this.totalSize = totalSize;
+        this.totalPages = totalPages;
+        this.content = content;
+    }
 
     public Page() {
     }

community-service/src/main/java/com/tanpu/community/manager/HomePageManager.java

@@ -11,12 +11,11 @@ import com.tanpu.community.service.FollowRelService;
 import com.tanpu.community.service.UserInfoService;
 import com.tanpu.community.util.ConvertUtil;
 import com.tanpu.community.util.PageUtils;
+import org.apache.commons.collections4.CollectionUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
+import java.util.*;
 import java.util.stream.Collectors;
 
 @Service
@@ -34,15 +33,18 @@ public class HomePageManager {
     public Page<FollowQo> queryFollow(QueryFollowReq req, String userId) {
         List<String> userIds = QueryFollowTypeEnum.QUERY_FANS.getCode().equals(req.getQueryType()) ?
                 followRelService.queryFansByIdolId(req.getUserId()) : followRelService.queryFansByFollowerId(req.getUserId());
-        List<UserInfoEntity> userInfos = userInfoService.queryUserByIds(userIds);
-        List<FollowQo> collect = userInfos.stream().map(ConvertUtil::homePageEntity2FollowQo).collect(Collectors.toList());
-        List<FollowQo> followQos = judgeFollowed(collect, userId);
+        List<FollowQo> followQos = new ArrayList<>();
+        if (!CollectionUtils.isEmpty(userIds)) {
+            List<UserInfoEntity> userInfos = userInfoService.queryUserByIds(userIds);
+            List<FollowQo> collect = userInfos.stream().map(ConvertUtil::homePageEntity2FollowQo).collect(Collectors.toList());
+            followQos = judgeFollowed(collect, userId);
+
+        }
         //分页
         return PageUtils.page(req.getPage(), followQos);
     }
 
 
-
     //判断返回列表中的用户是否被当前用户关注
     public List<FollowQo> judgeFollowed(List<FollowQo> followQos, String followerId) {
         Set<String> idolSet = new HashSet<>(followRelService.queryFansByFollowerId(followerId));

community-service/src/main/java/com/tanpu/community/util/PageUtils.java

@@ -14,11 +14,13 @@ import java.util.List;
 public class PageUtils {
     public static <T> Page<T> page(Pageable pageable, List<T> list) {
         if (CollectionUtils.isEmpty(list)) {
+            if(pageable==null){
+                return new Page<T>(1,0, (long)list.size(),1, list);
+            }
             return new Page<>(pageable, 0L, new ArrayList<>());
         } else {
             if(pageable==null){
-                Pageable p = new Pageable(1, list.size());
-                return new Page<T>(p, (long)list.size(), list);
+                return new Page<T>(1,list.size(), (long)list.size(),1, list);
             }
 
             // 记录总数