删除章节更新lesson中时长

src/main/java/org/rcisoft/business/bchapter/controller/BChapterController.java

@@ -76,7 +76,7 @@ public class BChapterController extends PaginationController<BChapter> {
     @ApiOperation(value = "202 删除章节", notes = "根据ID删除一条记录")
     @ApiImplicitParam(name = "id", value = "章节Id", required = true, dataType = "varchar")
     @PostMapping(value = "/remove")
-    public Result remove(CurUser curUser,@Valid String id,BindingResult br) {
+    public Result remove(CurUser curUser,String id) {
         PersistModel data = bChapterService.removeBChapter(id);
         return Result.builder(data,
                 MessageConstant.MESSAGE_ALERT_SUCCESS,

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

@@ -365,17 +365,37 @@ public interface BChapterRepository extends BaseMapper<BChapter> {
     int updateVideoTimeInLesson(@Param("time") String time,@Param("id") String id);
 
     /**
-     * 根据lessonid获取它第一章第一节的章节id
+     * 根据lessonid获取它第一节的章节id
      * @param lessonId
      * @return
      */
-    @Select("SELECT business_id FROM b_chapter  " +
-            "WHERE pid = " +
-            "( SELECT business_id FROM b_chapter " +
-            "WHERE lesson_id = #{lessonId} AND chapter_level = 1 AND del_flag != 1 AND flag = 1 ORDER BY sort LIMIT 1 ) " +
-            "ORDER BY sort  LIMIT 1")
+    @Select("select c1.business_id from b_chapter c1 " +
+            "left join b_chapter c2 on c1.pid = c2.business_id " +
+            "where c1.lesson_id = #{lessonId}  " +
+            "and c1.chapter_level = 2 " +
+            "and c1.del_flag != 1 " +
+            "and c1.flag = 1 " +
+            "and c2.del_flag != 1 " +
+            "and c2.flag = 1 " +
+            "ORDER BY c2.sort ,c1.sort limit 1")
     String getFirstChapter(@Param("lessonId") String lessonId);
 
+    /**
+     * 更新b_lesson 表中 course_time
+     * @param time
+     * @param id
+     * @return
+     */
+    @Update("update b_lesson set course_time = #{time} where business_id = #{id}")
+    int updateCourseTimeForLesson(@Param("time") String time ,@Param("id") String id);
+
+    /**
+     * 根据businessid 获取 该节 的课程时长
+     * @param id
+     * @return
+     */
+    @Select("select course_time from  b_chapter where business_id = #{id}")
+    String getTimeByChapterId(@Param("id") String id);
     /**
      * 根据章节id查询所在课程id
      * @param businessId

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

@@ -240,7 +240,7 @@ public class BChapterServiceImpl implements BChapterService {
                 chapterDTO.setIsTest(dto.getType());
                 line = bChapterRepository.insertSelective(model);
 
-                //先判断该课程的第一章的第一节是否是本节  更新blesson表中course_time字段
+                //先判断该课程的第一节是否是本节  更新blesson表中course_time字段
                 String cid = bChapterRepository.getFirstChapter(model.getLessonId());
                 if (cid.equals(model.getBusinessId())) {
                     bChapterRepository.updateVideoTimeInLesson(model.getCourseTime(), model.getLessonId());
@@ -314,10 +314,19 @@ public class BChapterServiceImpl implements BChapterService {
         if (isChapter && hasChild) {
             throw new ServiceException(ResultServiceEnums.CHAPTER_HAS_CHILD);
         }
-
-        int line = bChapterRepository.removeByPrimaryKey(id);
         String lessonId = bChapterRepository.getLessonIdBychaperId(id);
+        //获取第一节课的id 与当前id对比
+        String firstId =  bChapterRepository.getFirstChapter(lessonId);
+        int line = bChapterRepository.removeByPrimaryKey(id);
         bChapterRepository.updateClassHourInLesson(lessonId);
+        if(firstId.equals(id)){
+            //当前节为第一节 获取下一节的课程时长
+            String secondId = bChapterRepository.getFirstChapter(lessonId);
+            String time = bChapterRepository.getTimeByChapterId(secondId);
+            //更新到b_lesson 表
+            bChapterRepository.updateCourseTimeForLesson(time,lessonId);
+        }
+
         return new PersistModel(line);
     }
 

src/main/java/org/rcisoft/business/bcourse/controller/BCourseController.java

@@ -19,10 +19,7 @@ import org.rcisoft.core.util.UserUtil;
 import org.rcisoft.sys.user.bean.CurUser;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.validation.BindingResult;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.validation.Valid;