From 5aeee2da3af52fb8baafadcf01468c306ca333bb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BC=A0=E6=9D=BE?=
 <8605635+zhang3064194730@user.noreply.gitee.com>
Date: Fri, 3 Jan 2025 22:19:53 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9F=A5=E8=AF=A2=E9=80=BB=E8=BE=91=E4=BF=AE?=
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---
 .../java/com/sqx/modules/course/dao/CourseDao.java  |  3 ++-
 .../sqx/modules/course/dao/CourseDetailsDao.java    |  3 +++
 .../service/impl/CourseCollectServiceImpl.java      |  8 +++++++-
 .../resources/mapper/course/CourseDetailsDao.xml    | 13 +++++++++++++
 4 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/sqx/modules/course/dao/CourseDao.java b/src/main/java/com/sqx/modules/course/dao/CourseDao.java
index 47fbc205..549e2c01 100644
--- a/src/main/java/com/sqx/modules/course/dao/CourseDao.java
+++ b/src/main/java/com/sqx/modules/course/dao/CourseDao.java
@@ -4,9 +4,11 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.sqx.modules.course.entity.Course;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
 
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 @Mapper
 public interface CourseDao extends BaseMapper<Course> {
@@ -37,5 +39,4 @@ public interface CourseDao extends BaseMapper<Course> {
      * @return
      */
     List<Map<String, Object>> selectCourseTitle(@Param("title")String title);
-
 }
diff --git a/src/main/java/com/sqx/modules/course/dao/CourseDetailsDao.java b/src/main/java/com/sqx/modules/course/dao/CourseDetailsDao.java
index 087781a2..d291c206 100644
--- a/src/main/java/com/sqx/modules/course/dao/CourseDetailsDao.java
+++ b/src/main/java/com/sqx/modules/course/dao/CourseDetailsDao.java
@@ -4,9 +4,11 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.sqx.modules.course.entity.CourseDetails;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
 
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 @Mapper
 public interface CourseDetailsDao extends BaseMapper<CourseDetails> {
@@ -22,4 +24,5 @@ public interface CourseDetailsDao extends BaseMapper<CourseDetails> {
 
     Map<String,Object> countCourse(Long courseId);
 
+    List<CourseDetails> countByCourseId(@Param("detailIdList") Set<Long> detailIdList);
 }
diff --git a/src/main/java/com/sqx/modules/course/service/impl/CourseCollectServiceImpl.java b/src/main/java/com/sqx/modules/course/service/impl/CourseCollectServiceImpl.java
index 026b8696..d90683d8 100644
--- a/src/main/java/com/sqx/modules/course/service/impl/CourseCollectServiceImpl.java
+++ b/src/main/java/com/sqx/modules/course/service/impl/CourseCollectServiceImpl.java
@@ -12,6 +12,7 @@ import com.sqx.common.utils.Result;
 import com.sqx.modules.course.dao.CourseClassificationDao;
 import com.sqx.modules.course.dao.CourseCollectDao;
 import com.sqx.modules.course.dao.CourseDao;
+import com.sqx.modules.course.dao.CourseDetailsDao;
 import com.sqx.modules.course.entity.Course;
 import com.sqx.modules.course.entity.CourseCollect;
 import com.sqx.modules.course.entity.CourseDetails;
@@ -37,6 +38,8 @@ public class CourseCollectServiceImpl extends ServiceImpl<CourseCollectDao, Cour
     private CourseDetailsService courseDetailsService;
 
     private ReentrantReadWriteLock reentrantReadWriteLock = new ReentrantReadWriteLock(true);
+    @Autowired
+    private CourseDetailsDao courseDetailsDao;
 
     public CourseCollectServiceImpl(CourseDao courseDao) {
         this.courseDao = courseDao;
@@ -132,6 +135,9 @@ public class CourseCollectServiceImpl extends ServiceImpl<CourseCollectDao, Cour
         Map<Long, CourseDetails> courseDetailsMap = detailIdList.isEmpty() ? new HashMap<>() : courseDetailsService.list(new LambdaQueryWrapper<CourseDetails>()
                         .in(CourseDetails::getCourseDetailsId, detailIdList)).stream()
                 .collect(Collectors.toMap(CourseDetails::getCourseDetailsId, item->item));
+
+        Map<Long, Integer> countMap = detailIdList.isEmpty() ? new HashMap<>() : courseDetailsDao.countByCourseId(detailIdList).stream().collect(Collectors.toMap(CourseDetails::getCourseId, CourseDetails::getCourseDetailsCount));
+
         PageInfo<Course> pageInfo = new PageInfo<>(courseList);
         if (CollectionUtil.isNotEmpty(courseList)) {
             List<Course> courses = pageInfo.getList();
@@ -142,7 +148,7 @@ public class CourseCollectServiceImpl extends ServiceImpl<CourseCollectDao, Cour
                 if (courseDetails != null) {
                     course.setCourseDetailsName(courseDetails.getCourseDetailsName());
                     course.setCourseDetailsId(courseDetails.getCourseDetailsId());
-                    course.setCourseDetailsCount(courseDetails.getCourseDetailsCount());
+                    course.setCourseDetailsCount(countMap.get(courseCollect.getCourseId()));
                 }
             }
         }
diff --git a/src/main/resources/mapper/course/CourseDetailsDao.xml b/src/main/resources/mapper/course/CourseDetailsDao.xml
index dc9ad259..cd07cecb 100644
--- a/src/main/resources/mapper/course/CourseDetailsDao.xml
+++ b/src/main/resources/mapper/course/CourseDetailsDao.xml
@@ -61,5 +61,18 @@
             from course_details
         where course_id = #{courseId}
     </select>
+    <select id="countByCourseId" resultType="com.sqx.modules.course.entity.CourseDetails">
+        SELECT
+            course_id as courseId,
+            COUNT(*) AS courseDetailsCount
+        FROM
+            course_details
+            where course_details_id in
+            <foreach collection="detailIdList" item="ids" open="(" separator="," close=")">
+                #{ids}
+            </foreach>
+        GROUP BY
+            course_id
+    </select>
 
 </mapper>