删除、查询 cutpdf节

src/main/java/org/rcisoft/business/bchapter/dao/BChapterRepository.java

@@ -25,7 +25,10 @@ public interface BChapterRepository extends BaseMapper<BChapter> {
      * @return
      */
 
-    @Update("update b_chapter set del_flag = '1' where business_id=#{businessId}")
+    @Update("update b_chapter bc  " +
+            "left join b_file bf on bc.business_id = bf.chapter_id " +
+            "set bc.del_flag = '1' where bf.video_url = ( " +
+            "SELECT video_url from b_file where chapter_id = #{businessId})")
     int removeByPrimaryKey(@Param("businessId") String businessId);
 
     /**
@@ -83,7 +86,8 @@ public interface BChapterRepository extends BaseMapper<BChapter> {
             " bf.video_url AS videoUrl, " +
             " bf.file_name AS fileName ," +
             " bf.file_time AS fileTime ," +
-            " bf.file_size AS fileSize " +
+            " bf.file_size AS fileSize ," +
+            " if((SELECT count(0) from b_file where video_url = bf.video_url )>1,1,0) isCutPdf " +
             " FROM " +
             " b_chapter bc " +
             " LEFT JOIN b_file bf ON bf.chapter_id = bc.business_id " +
@@ -480,5 +484,13 @@ public interface BChapterRepository extends BaseMapper<BChapter> {
             "update b_chapter set sort = (sort+#{num}) where business_id = #{item}" +
             "</foreach></script>")
     int updatePdfSort(@Param("ids")List<String> ids,@Param("num")int num);
+
+    @Select("SELECT bf.chapter_id " +
+            "from b_file bf " +
+            "left join b_chapter bc on bc.business_id = bf.chapter_id " +
+            "where bf.video_url = (SELECT video_url from b_file where chapter_id = #{chapterId})  " +
+            "and bf.del_flag!=1 and bf.flag =1  " +
+            "ORDER BY bc.sort LIMIT 1")
+    String getFirstOssId(String chapterId);
 }
 

src/main/java/org/rcisoft/business/bchapter/dto/QueryChapterListResDTO.java

@@ -72,4 +72,7 @@ public class QueryChapterListResDTO {
 
     @ApiModelProperty(value = "课程时间")
     private String courseTime;
+
+    @ApiModelProperty(value = "是否是切割的节")
+    private String isCutPdf;
 }

src/main/java/org/rcisoft/business/bchapter/service/impl/BChapterServiceImpl.java

@@ -658,7 +658,9 @@ public class BChapterServiceImpl implements BChapterService {
 
     @Override
     @Transactional(propagation = Propagation.REQUIRED, readOnly = false)
-    public PersistModel removeBChapter(String id, CurUser curUser) {
+    public PersistModel removeBChapter(String oldId, CurUser curUser) {
+        //根据章节id 获取与该章节oss地址相同的第一个章节id
+        String id = bChapterRepository.getFirstOssId(oldId);
         BChapter bChapter = bChapterRepository.selectByPrimaryKey(id);
         String lessonId = bChapterRepository.getLessonIdBychaperId(id);
         if (bChapter == null)