feat: [1003373] 首页当前在读书设计优化调整

pcloud-facade-book/src/main/java/com/pcloud/book/book/constant/BookConstant.java

@@ -373,6 +373,8 @@ public class BookConstant {
 
     public static final String NO_RESOURCE_REMIND = "no_resource_remind";
 
+    public static final Integer  HOME_BOOK_PAGE = 3;
+
     public static final String DEFAULT_NEWS_PIC="https://oss.5rs.me/oss/uploadfe/jpg/c469a21a758b79e00783fe3a70a605c5.jpg";
     /**
      * 群二维码永久图文素材，html 源代码

pcloud-service-book/src/main/java/com/pcloud/book/applet/biz/impl/AppletUserBookcaseBizImpl.java

 package com.pcloud.book.applet.biz.impl;
 
+import com.google.gson.internal.$Gson$Preconditions;
 import com.pcloud.appcenter.assist.dto.AssistTempletDTO;
 import com.pcloud.book.applet.biz.AppletNewsBiz;
 import com.pcloud.book.applet.biz.AppletUserBookcaseBiz;
@@ -13,6 +14,7 @@ import com.pcloud.book.applet.entity.AppletUserBookcase;
 import com.pcloud.book.applet.entity.AppletUserClickRecord;
 import com.pcloud.book.applet.enums.AppletNewsServeTypeEnum;
 import com.pcloud.book.base.exception.BookBizException;
+import com.pcloud.book.book.constant.BookConstant;
 import com.pcloud.book.book.dao.BookRaysClassifyDao;
 import com.pcloud.book.book.entity.BookRaysClassify;
 import com.pcloud.book.consumer.app.AssistTempletConsr;
@@ -120,17 +122,20 @@ public class AppletUserBookcaseBizImpl implements AppletUserBookcaseBiz {
         }
         //首页数据是否正确
         Boolean correct = true;
-        if (0 == currentPage && 1 == numPerPage && !ListUtils.isEmpty(bookcaseDTOS)) {
-            AppletUserBookcaseDTO appletUserBookcase = bookcaseDTOS.get(0);
+        Integer correctCount = 0;
+        if (0 == currentPage && BookConstant.HOME_BOOK_PAGE == numPerPage && !ListUtils.isEmpty(bookcaseDTOS)) {
+            for (AppletUserBookcaseDTO appletUserBookcase : bookcaseDTOS) {
                 Long settingId = appletUserBookcase.getRightsSettingId() == null ? 0L : appletUserBookcase.getRightsSettingId();
                 RightsSettingDto rightsSettingDto = rightsSettingBiz.getRightsSettingByBookId4AppletHome(appletUserBookcase.getBookId(), appletUserBookcase.getAdviserId(), appletUserBookcase.getChannelId());
                 Long actualSettingId = rightsSettingDto.getId() == null ? 0L : rightsSettingDto.getId();
                 if (!actualSettingId.equals(settingId)) {
-                correct = false;
                     appletUserBookcaseDao.updateRightsSettingId(actualSettingId > 0 ? actualSettingId : null, appletUserBookcase.getBookId(), appletUserBookcase.getAdviserId(), appletUserBookcase.getChannelId());
+                }else {
+                    ++correctCount;
                 }
             }
-        if (!ListUtils.isEmpty(bookcaseDTOS) && count > 0 && correct) {
+        }
+        if (!ListUtils.isEmpty(bookcaseDTOS) && count > 0 && correctCount.equals(bookcaseDTOS.size())) {
             return new PageBeanNew<>(currentPage, numPerPage, count, bookcaseDTOS);
         }
         //数据库查询
@@ -314,20 +319,48 @@ public class AppletUserBookcaseBizImpl implements AppletUserBookcaseBiz {
     @Override
     public void randomChangeBook(Long wechatUserId) {
         List<AppletUserBookcase> bookcaseList = appletUserBookcaseDao.getListByUserId(wechatUserId);
-        //无书或只有一本不处理
-        if (ListUtils.isEmpty(bookcaseList) || bookcaseList.size() == 1) {
+        //无书或只有3本不处理
+        if (ListUtils.isEmpty(bookcaseList) || bookcaseList.size() < BookConstant.HOME_BOOK_PAGE) {
             return;
         }
-        //去除最近一本书
+        Integer removeCount = bookcaseList.size() - BookConstant.HOME_BOOK_PAGE;
+        removeCount = removeCount >= BookConstant.HOME_BOOK_PAGE ? BookConstant.HOME_BOOK_PAGE : removeCount;
+        //去除最近3本书
+        for (int i = 0; i < removeCount; i++) {
             bookcaseList.remove(0);
+        }
         //随机取一本书埋点
-        AppletUserBookcase appletUserBookcase = bookcaseList.get(new Random().nextInt(bookcaseList.size()));
+        if (bookcaseList.size() > BookConstant.HOME_BOOK_PAGE) {
+            bookcaseList = getRandomList(bookcaseList, BookConstant.HOME_BOOK_PAGE);
+        }
+        bookcaseList.stream().forEach(appletUserBookcase -> {
             this.addUserBook(appletUserBookcase);
+        });
         ThreadPoolUtils.OTHER_THREAD_POOL.execute(() -> {
-            this.listByWechatUserId(wechatUserId, 0, 1);
+            this.listByWechatUserId(wechatUserId, 0, BookConstant.HOME_BOOK_PAGE);
         });
     }
 
+    private List<AppletUserBookcase> getRandomList(List<AppletUserBookcase> paramList, int count) {
+        if (paramList.size() < count) {
+            return paramList;
+        }
+        Random random = new Random();
+        List<Integer> tempList = new ArrayList<Integer>();
+        List<AppletUserBookcase> newList = new ArrayList<AppletUserBookcase>();
+        int temp = 0;
+        for (int i = 0; i < count; i++) {
+            temp = random.nextInt(paramList.size());//将产生的随机数作为被抽list的索引
+            if (!tempList.contains(temp)) {
+                tempList.add(temp);
+                newList.add(paramList.get(temp));
+            } else {
+                i--;
+            }
+        }
+        return newList;
+    }
+
     @Override
     public List<Long> getBookcaseIdListByUser(Long wechatUserId) {
         return appletUserBookcaseDao.getBookcaseIdListByUser(wechatUserId);