package com.ycl.jxkg.job;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.github.benmanes.caffeine.cache.Cache;
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import com.ycl.jxkg.constants.CaffeineConstant;
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import com.ycl.jxkg.domain.entity.StudyRecord;
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import com.ycl.jxkg.mapper.StudyRecordMapper;
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import com.ycl.jxkg.service.StudyRecordService;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.scheduling.annotation.Scheduled;
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import org.springframework.stereotype.Component;
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import org.springframework.util.CollectionUtils;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.ConcurrentMap;
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import java.util.stream.Collectors;
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/**
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* @author：xp
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* @date：2024/7/1 11:06
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*/
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@Component
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@RequiredArgsConstructor
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@Slf4j
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public class StudyRecordJob {
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@Autowired
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private Cache<String, Object> caffeineCache;
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private final StudyRecordMapper studyRecordMapper;
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private final StudyRecordService studyRecordService;
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@Scheduled(fixedRate = 1200000) // 2分钟执行一次
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private void updateStudyRecord() {
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log.info("开始存学习时长");
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List<StudyRecord> cacheList = new ArrayList<>();
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// 取出所有学习记录缓存项
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Map<String, StudyRecord> studyMap = (Map<String, StudyRecord>) caffeineCache.getIfPresent(CaffeineConstant.STUDY_RECORD);
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if (!CollectionUtils.isEmpty(studyMap)) {
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for (Map.Entry<String, StudyRecord> entry : studyMap.entrySet()) {
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cacheList.add(entry.getValue());
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}
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List<Integer> studentIds = cacheList.stream().map(StudyRecord::getStudentId).collect(Collectors.toList());
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if (!CollectionUtils.isEmpty(studentIds)) {
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//数据库中已经存在的学生数据
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QueryWrapper<StudyRecord> wrapper = new QueryWrapper<>();
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wrapper.in("student_id", studentIds);
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List<StudyRecord> studyRecords = studyRecordMapper.selectList(wrapper);
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for (StudyRecord record : studyRecords) {
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for (StudyRecord cacheRecord : cacheList) {
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if (record.getStudentId().equals(cacheRecord.getStudentId())) {
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cacheRecord.setId(record.getId());
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cacheRecord.setStudyTime(record.getStudyTime() + cacheRecord.getStudyTime());
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cacheRecord.setMeetCount(record.getMeetCount());
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}
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}
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}
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studyRecordService.saveOrUpdateBatch(cacheList);
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}
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caffeineCache.invalidate(CaffeineConstant.STUDY_RECORD);
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}
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log.info("结束存学习时长");
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}
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}
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