观看记录 排序

src/main/java/com/sqx/modules/course/dao/CourseCollectDao.java

@@ -20,6 +20,6 @@ public interface CourseCollectDao extends BaseMapper<CourseCollect> {
 
 
     List<Course> selectClassify1In3(@Param("userId") Long userId);
-    List<Course> selectClassify1In2(@Param("userId") Long userId);
+    List<Course> selectClassify2(@Param("userId") Long userId);
-    List<Course> selectClassify1ByUserId(@Param("userId") Long userId);
+    List<Course> selectClassify3ByUserId(@Param("userId") Long userId);
 }

src/main/java/com/sqx/modules/course/service/impl/CourseCollectServiceImpl.java

@@ -140,28 +140,30 @@ public class CourseCollectServiceImpl extends ServiceImpl<CourseCollectDao, Cour
     public Result selectByUserId(Integer page, Integer limit, Long userId, Integer classify) {
         PageHelper.startPage(page, limit);
         List<Course> courses = new ArrayList<>();
-        //收藏
         if (classify.equals(1)) {
-            //查 收藏记录
+            //收藏记录
             courses = baseMapper.selectClassify1In3(userId);
         }else if (classify.equals(2)){
-            courses = baseMapper.selectClassify1In2(userId);
+            //点赞
+            courses = baseMapper.selectClassify2(userId);
         } else {
-            courses = baseMapper.selectClassify1ByUserId(userId);
+            //观看历史
-        }
+            courses = baseMapper.selectClassify3ByUserId(userId);
-        if (CollectionUtil.isEmpty(courses)) {
-            return Result.success().put("data", PageUtils.page(new PageInfo<>(courses), true));
         }
+
         //剧id
         Set<Long> courseIdList = new HashSet<>();
         //详情id
         Set<Long> courseDetailIds = new HashSet<>();
+        //剧集-观看记录时间
+        Map<Long,String> upTime = new HashMap<>();
         courses.forEach(s -> {
             if (s == null) {
                 return;
             }
             courseIdList.add(s.getCourseId());
             courseDetailIds.add(s.getCourseDetailsId());
+            upTime.put(s.getCourseId(),s.getUpdateTime());
         });
         List<Course> courseList = courseIdList.isEmpty() ? new ArrayList<>() :
                 courseDao.selectList(new LambdaQueryWrapper<Course>().in(Course::getCourseId, courseIdList));
@@ -170,20 +172,20 @@ public class CourseCollectServiceImpl extends ServiceImpl<CourseCollectDao, Cour
                 courseDetailsService.list(new LambdaQueryWrapper<CourseDetails>().in(CourseDetails::getCourseDetailsId, courseDetailIds));
         Map<Long, CourseDetails> courseDetailsMap = courseDetails1.stream()
                 .collect(Collectors.toMap(CourseDetails::getCourseId, item -> item, (key1, key2) -> key1));
-//        List<CourseDetails> courseDetails2 = courseIdList.isEmpty() ? new ArrayList<>() : courseDetailsDao.countByCourseId(courseIdList);
-//        Map<Long, Integer> countMap = courseDetails2.stream()
-//                .collect(Collectors.toMap(CourseDetails::getCourseId, CourseDetails::getCourseDetailsCount));
 
         if (CollectionUtil.isNotEmpty(courseList)) {
             for (Course course : courseList) {
-//                course.setCourseClassification(courseClassificationDao.selectById(course.getClassifyId()));
                 CourseDetails courseDetails = courseDetailsMap.getOrDefault(course.getCourseId(), null);
                 course.setCourseDetailsCount(courseDetailsDao.countCourseByCourseId(course.getCourseId()));
                 if (courseDetails != null) {
                     course.setCourseDetailsName(courseDetails.getCourseDetailsName());
                     course.setCourseDetailsId(courseDetails.getCourseDetailsId());
                 }
+                if (upTime.containsKey(course.getCourseId())) {
+                    course.setUpdateTime(upTime.get(course.getCourseId()));
+                }
             }
+            courseList.sort(Comparator.comparing(Course::getUpdateTime).reversed());
         }
         PageInfo<Course> pageInfo = new PageInfo<>(courseList);
         return Result.success().put("data", PageUtils.page(pageInfo, true));

src/main/resources/mapper/course/CourseCollectDao.xml

@@ -43,7 +43,7 @@
         order by c1.update_time desc
     </select>
 
-    <select id="selectClassify1In2" resultType="com.sqx.modules.course.entity.Course">
+    <select id="selectClassify2" resultType="com.sqx.modules.course.entity.Course">
         SELECT
             c1.course_id as courseId,
             c1.course_details_id as courseDetailsId
@@ -55,12 +55,12 @@
         order by c1.update_time desc
     </select>
 
-    <select id="selectClassify1ByUserId" resultType="com.sqx.modules.course.entity.Course">
+    <select id="selectClassify3ByUserId" resultType="com.sqx.modules.course.entity.Course">
         SELECT c1.course_id         as courseId,
-               c1.course_details_id as courseDetailsId
+               c1.course_details_id as courseDetailsId,
+               c1.update_time as updateTime
         FROM `course_collect` c1
         WHERE c1.classify = 3
           AND c1.user_id = #{userId}
-        order by c1.update_time desc
     </select>
 </mapper>