fix bug

src/main/java/com/qmth/exam/reserve/service/impl/StudentApplyServiceImpl.java

@@ -235,25 +235,32 @@ public class StudentApplyServiceImpl extends ServiceImpl<StudentApplyDao, Studen
                 studentApplyEntity.setCancel(Boolean.TRUE);
                 updateById(studentApplyEntity);
 
-                ApplyRecordCacheBean bean = new ApplyRecordCacheBean();
-                bean.setStudentId(studentApplyEntity.getStudentId());
-                bean.setExamSiteId(studentApplyEntity.getExamSiteId());
-                bean.setTimePeriodId(studentApplyEntity.getTimePeriodId());
-                bean.setCancel(Boolean.TRUE);
-                bean.setOperateId(user.getId());
-                bean.setOperateTime(System.currentTimeMillis());
-                bean.setBizId(cacheService.increaseBizId());
-
-                // 推送至预约队列
+                // 获取当前考试点当前时段的容量
+                int examSiteTimePeriodCapacity = examSiteService.getExamSiteTimePeriodCapacity(studentApplyEntity.getExamSiteId(),
+                        studentApplyEntity.getTimePeriodId());
+                //有容量才刷缓存
+                if(examSiteTimePeriodCapacity > 0) {
+                    ApplyRecordCacheBean bean = new ApplyRecordCacheBean();
+                    bean.setStudentId(studentApplyEntity.getStudentId());
+                    bean.setExamSiteId(studentApplyEntity.getExamSiteId());
+                    bean.setTimePeriodId(studentApplyEntity.getTimePeriodId());
+                    bean.setCancel(Boolean.TRUE);
+                    bean.setOperateId(user.getId());
+                    bean.setOperateTime(System.currentTimeMillis());
+                    bean.setBizId(cacheService.increaseBizId());
+
+                    // 推送至预约队列
                 /*boolean pushSuccess = cacheService.pushStudentApplyRecordQueue(bean);
                 if (!pushSuccess) {
                     log.error("[cancel] 预约消息推送失败，id:{}", id);
                     throw new RuntimeException("取消失败，请稍后再试！");
                 }*/
-                // 保存至预约缓存
-                cacheService.saveStudentApplyRecord(bean);
-                // 某考点某时段的“剩余可约数量”（归还1个被占数量）
-                cacheService.increaseApplyAvailableCount(studentApplyEntity.getExamSiteId(), studentApplyEntity.getTimePeriodId());
+                    // 保存至预约缓存
+                    cacheService.saveStudentApplyRecord(bean);
+                    // 某考点某时段的“剩余可约数量”（归还1个被占数量）
+                    cacheService.increaseApplyAvailableCount(studentApplyEntity.getExamSiteId(), studentApplyEntity.getTimePeriodId());
+                }
+
             }
         } catch (Exception e) {
             log.error("[cancel] 取消预约失败, msg:{}", e.getMessage());