限制基础提高班数

mec-biz/src/main/java/com/ym/mec/biz/service/impl/ClassGroupServiceImpl.java

@@ -264,6 +264,11 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
     public List<HighClassGroupDto> addHighClassGroup(List<HighClassGroupDto> highClassGroupList) throws Exception {
         MusicGroup musicGroup = musicGroupDao.get(highClassGroupList.get(0).getMusicGroupId());
 
+        int highClassGroupNum = studentRegistrationDao.findMusicGroupStudentNum(musicGroup.getId()) / 5;
+        if(highClassGroupList.size() > highClassGroupNum){
+            throw new BizException("班数不能大于"+highClassGroupNum);
+        }
+
         List<ClassGroup> classGroups = classGroupDao.findClassGroupByMusicGroupIdAndType(musicGroup.getId(), ClassGroupTypeEnum.HIGH);
         if (classGroups.size() > 0) {
             List<Integer> classGroupIds = classGroups.stream().map(classGroup -> classGroup.getId()).collect(Collectors.toList());