|  | @@ -1,21 +1,42 @@
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				|  |  |  package com.yonge.cooleshow.biz.dal.service.impl;
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				|  |  |  
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				|  |  |  import com.baomidou.mybatisplus.core.metadata.IPage;
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				|  |  | +import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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				|  |  |  import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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				|  |  | +import com.yonge.cooleshow.biz.dal.dao.CourseScheduleDao;
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				|  |  | +import com.yonge.cooleshow.biz.dal.dao.StudentStarDao;
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				|  |  |  import com.yonge.cooleshow.biz.dal.dto.search.StudentSearch;
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				|  |  | +import com.yonge.cooleshow.biz.dal.entity.Teacher;
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				|  |  |  import com.yonge.cooleshow.biz.dal.entity.TeacherStyleVideo;
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				|  |  | +import com.yonge.cooleshow.biz.dal.enums.CacheNameEnum;
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				|  |  | +import com.yonge.cooleshow.biz.dal.vo.StudentTotalVo;
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				|  |  |  import com.yonge.cooleshow.biz.dal.vo.StudentVo;
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				|  |  | +import com.yonge.cooleshow.biz.dal.vo.TeacherTotalVo;
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				|  |  |  import com.yonge.cooleshow.biz.dal.vo.TeacherVo;
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				|  |  | +import org.redisson.api.RedissonClient;
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				|  |  | +import org.springframework.beans.factory.annotation.Autowired;
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				|  |  |  import org.springframework.stereotype.Service;
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				|  |  |  import com.yonge.cooleshow.biz.dal.entity.Student;
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				|  |  |  import com.yonge.cooleshow.biz.dal.dao.StudentDao;
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				|  |  |  import com.yonge.cooleshow.biz.dal.service.StudentService;
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				|  |  | +import org.springframework.util.CollectionUtils;
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				|  |  |  
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				|  |  | +import java.util.ArrayList;
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				|  |  | +import java.util.HashMap;
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				|  |  |  import java.util.List;
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				|  |  | +import java.util.Map;
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				|  |  | +import java.util.stream.Collectors;
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				|  |  |  
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				|  |  |  
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				|  |  |  @Service
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				|  |  |  public class StudentServiceImpl extends ServiceImpl<StudentDao, Student> implements StudentService {
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				|  |  | +    @Autowired
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				|  |  | +    private StudentStarDao studentStarDao;
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				|  |  | +    @Autowired
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				|  |  | +    private CourseScheduleDao courseScheduleDao;
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				|  |  | +    @Autowired
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				|  |  | +    private RedissonClient redissonClient;
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				|  |  | +
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				|  |  |      @Override
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				|  |  |      public StudentVo detail(Long userId) {
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				|  |  |          StudentVo detail = baseMapper.detail(userId);
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				|  | @@ -26,4 +47,41 @@ public class StudentServiceImpl extends ServiceImpl<StudentDao, Student> impleme
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				|  |  |      public IPage<StudentVo> selectPage(IPage<StudentVo> page, StudentSearch studentSearch) {
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				|  |  |          return page.setRecords(baseMapper.selectPage(page, studentSearch));
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				|  |  |      }
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				|  |  | +
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				|  |  | +    @Override
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				|  |  | +    public List<StudentTotalVo> queryStudentHomeTotal() {
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				|  |  | +        List<Student> students = baseMapper.selectList(Wrappers.<Student>emptyWrapper()
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				|  |  | +                .select("userId"));
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				|  |  | +        //查询关注老师数
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				|  |  | +        List<StudentTotalVo> studentStarTotal = studentStarDao.queryStudentHomeTotal();
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				|  |  | +        Map<Long, StudentTotalVo> studentStarMap = new HashMap<>();
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				|  |  | +        if (!CollectionUtils.isEmpty(studentStarTotal)) {
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				|  |  | +            studentStarMap = studentStarTotal.stream().collect(Collectors.toMap(StudentTotalVo::getUserId, o -> o));
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        //查询已上未上课时数
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				|  |  | +        List<StudentTotalVo> studentCourseTotal = courseScheduleDao.queryStudentHomeTotal();
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				|  |  | +        Map<Long, StudentTotalVo> studentCourseMap = new HashMap<>();
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				|  |  | +        if (!CollectionUtils.isEmpty(studentCourseTotal)) {
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				|  |  | +            studentCourseMap = studentCourseTotal.stream().collect(Collectors.toMap(StudentTotalVo::getUserId, o -> o));
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				|  |  | +        }
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				|  |  | +        List<StudentTotalVo> resultList = new ArrayList<>();
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				|  |  | +        for (Student student : students) {
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				|  |  | +            StudentTotalVo totalVo = new StudentTotalVo();
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				|  |  | +            totalVo.setUserId(student.getUserId());
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				|  |  | +            StudentTotalVo starTotal = studentStarMap.get(student.getUserId());
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				|  |  | +            if (null != starTotal) {
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				|  |  | +                totalVo.setStarNum(starTotal.getStarNum());
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				|  |  | +            }
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				|  |  | +            StudentTotalVo courseTotal = studentCourseMap.get(student.getUserId());
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				|  |  | +            if (null != courseTotal) {
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				|  |  | +                totalVo.setExpTime(courseTotal.getExpTime());
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				|  |  | +                totalVo.setUnExpTime(courseTotal.getUnExpTime());
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				|  |  | +            }
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				|  |  | +            resultList.add(totalVo);
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				|  |  | +            redissonClient.getBucket(CacheNameEnum.STUDENT_HOME_TOTAL.getRedisKey(totalVo.getUserId()))
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				|  |  | +                    .set(totalVo);
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				|  |  | +        }
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				|  |  | +        return resultList;
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				|  |  | +    }
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				|  |  |  }
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