From 3f7cdb4c5096214765f935e9e8616730bcac1344 Mon Sep 17 00:00:00 2001
From: fuliqi <fuliqi@qq.com>
Date: 星期四, 04 七月 2024 11:04:44 +0800
Subject: [PATCH] 学习记录，引入caffeine
---
src/main/java/com/ycl/jxkg/service/impl/EducationResourceServiceImpl.java | 30 ++++++++++++++++++++++++++++--
1 files changed, 28 insertions(+), 2 deletions(-)
diff --git a/src/main/java/com/ycl/jxkg/service/impl/EducationResourceServiceImpl.java b/src/main/java/com/ycl/jxkg/service/impl/EducationResourceServiceImpl.java
index 374f718..c29ac89 100644
--- a/src/main/java/com/ycl/jxkg/service/impl/EducationResourceServiceImpl.java
+++ b/src/main/java/com/ycl/jxkg/service/impl/EducationResourceServiceImpl.java
@@ -1,20 +1,22 @@
package com.ycl.jxkg.service.impl;
import com.alibaba.fastjson.JSON;
+import com.github.benmanes.caffeine.cache.Cache;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.ycl.jxkg.base.Result;
import com.ycl.jxkg.context.WebContext;
import com.ycl.jxkg.domain.entity.EducationResource;
import com.ycl.jxkg.domain.entity.Subject;
+import com.ycl.jxkg.domain.entity.StudyRecord;
import com.ycl.jxkg.domain.vo.admin.education.EducationResourceVO;
-import com.ycl.jxkg.domain.vo.student.education.StudentOnlineVO;
import com.ycl.jxkg.mapper.ClassesUserMapper;
import com.ycl.jxkg.mapper.EducationResourceMapper;
import com.ycl.jxkg.mapper.SubjectMapper;
import com.ycl.jxkg.service.EducationResourceService;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.BeanUtils;
+import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;
@@ -35,7 +37,8 @@
private final SubjectMapper subjectMapper;
private final WebContext webContext;
private final ClassesUserMapper classesUserMapper;
-
+ @Autowired
+ private Cache<String, Object> caffeineCache;
@Override
public Result add(EducationResourceVO form) {
EducationResource educationResource = new EducationResource();
@@ -109,4 +112,27 @@
List<Subject> subjects = subjectMapper.allSubject();
return Result.ok(subjects);
}
+ //璁板綍瑙嗛鏃堕暱
+ @Override
+ public Result recordTime(Integer userId) {
+ if (userId ==null){
+ throw new RuntimeException("鐢ㄦ埛id涓虹┖");
+ }
+ StudyRecord studyRecord = (StudyRecord) caffeineCache.getIfPresent("STUDENT_"+userId);
+ if (studyRecord != null) {
+ //瀛樺湪缂撳瓨
+ Date lastTime = studyRecord.getLastTime();
+ Date now = new Date();
+ studyRecord.setStudyTime(studyRecord.getStudyTime()+(now.getTime()-lastTime.getTime())/1000);
+ studyRecord.setLastTime(now);
+ }else {
+ //涓嶅瓨鍦ㄧ紦瀛�
+ studyRecord = new StudyRecord();
+ studyRecord.setStudentId(userId);
+ studyRecord.setStudyTime(0L);
+ studyRecord.setLastTime(new Date());
+ }
+ caffeineCache.put("STUDENT_" + userId, studyRecord);
+ return Result.ok();
+ }
}
--
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