课程管理-批量添加按选择的顺序添加

fs-service/src/main/java/com/fs/course/mapper/FsVideoResourceMapper.java

@@ -27,4 +27,6 @@ public interface FsVideoResourceMapper extends BaseMapper<FsVideoResource> {
 
     @Select("select * from fs_video_resource where file_key = #{fileKey} limit 1")
     FsVideoResource selectByFileKey(String fileKey);
+
+    List<FsVideoResource> selectByIds(@Param("ids") long[] ids);
 }

fs-service/src/main/java/com/fs/course/service/impl/FsUserCourseVideoServiceImpl.java

@@ -2503,10 +2503,8 @@ public class FsUserCourseVideoServiceImpl implements IFsUserCourseVideoService
 
     @Override
     public void batchSaveVideo(BatchVideoSvae vo) {
-        List<FsVideoResource> videoResourceList = fsVideoResourceMapper.selectBatchIds(vo.getIds());
-        videoResourceList = videoResourceList.stream()
-                .sorted(Comparator.comparing(FsVideoResource::getSort).thenComparing(FsVideoResource::getId))
-                .collect(Collectors.toList());
+        long[] idArray = vo.getIds().stream().mapToLong(Long::longValue).toArray();
+        List<FsVideoResource> videoResourceList = fsVideoResourceMapper.selectByIds(idArray);
         FsUserCourseVideo param = new FsUserCourseVideo();
         param.setCourseId(vo.getCourseId());
         List<FsUserCourseVideo> videoList = selectFsUserCourseVideoList(param);

fs-service/src/main/resources/mapper/course/FsVideoResourceMapper.xml

@@ -26,4 +26,18 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         </if>
         order by rr.sort,rr.id desc
     </select>
+
+    <select id="selectByIds" parameterType="String" resultType="com.fs.course.domain.FsVideoResource">
+        SELECT *
+        FROM fs_video_resource
+        WHERE id IN
+        <foreach collection="ids" item="id" open="(" close=")" separator=",">
+            #{id}
+        </foreach>
+        ORDER BY FIELD(id,
+        <foreach collection="ids" item="id" separator=",">
+            #{id}
+        </foreach>
+        )
+    </select>
 </mapper>