package com.ycl.jxkg.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ycl.jxkg.domain.Subject;
import com.ycl.jxkg.mapper.SubjectMapper;
import com.ycl.jxkg.service.SubjectService;
import com.ycl.jxkg.vo.admin.education.SubjectPageRequestVO;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
@RequiredArgsConstructor
public class SubjectServiceImpl extends ServiceImpl<SubjectMapper,Subject> implements SubjectService {

    private final SubjectMapper subjectMapper;

    @Override
    public List<Subject> getSubjectByLevel(Integer level) {
        return subjectMapper.getSubjectByLevel(level);
    }

    @Override
    public List<Subject> allSubject() {
        return subjectMapper.allSubject();
    }

    @Override
    public Integer levelBySubjectId(Integer id) {
        return baseMapper.selectById(id).getLevel();
    }

    @Override
    public PageInfo<Subject> page(SubjectPageRequestVO requestVM) {
        return PageHelper.startPage(requestVM.getPageIndex(), requestVM.getPageSize(), "id desc").doSelectPageInfo(() ->
                subjectMapper.page(requestVM)
        );
    }

}