优化随机试卷列表

xiangpei

2024-05-27 11efc9210b47e1bc98906422ab534c9042c3e71d

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package com.mindskip.xzs.service.impl;
 
import com.mindskip.xzs.context.WebContext;
import com.mindskip.xzs.domain.Subject;
import com.mindskip.xzs.repository.BaseMapper;
import com.mindskip.xzs.repository.DepartmentMapper;
import com.mindskip.xzs.repository.SubjectMapper;
import com.mindskip.xzs.service.SubjectService;
import com.mindskip.xzs.viewmodel.admin.education.SubjectPageRequestVM;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
 
import java.util.ArrayList;
import java.util.List;
 
@Service
public class SubjectServiceImpl extends BaseServiceImpl<Subject> implements SubjectService {
 
    private final SubjectMapper subjectMapper;
    private final WebContext webContext;
    private final DepartmentMapper departmentMapper;
 
    public SubjectServiceImpl(BaseMapper<Subject> baseMapper, SubjectMapper subjectMapper, WebContext webContext, DepartmentMapper departmentMapper) {
        super(baseMapper);
        this.subjectMapper = subjectMapper;
        this.webContext = webContext;
        this.departmentMapper = departmentMapper;
    }
 
    @Override
    public Subject selectById(Integer id) {
        return super.selectById(id);
    }
 
    @Override
    public int updateByIdFilter(Subject record) {
        return super.updateByIdFilter(record);
    }
 
    @Override
    public List<Subject> getSubjectByLevel(Integer level) {
        return subjectMapper.getSubjectByLevel(level);
    }
 
    @Override
    public List<Subject> allSubject() {
        // 如果是部门管理员，只查关联该部门的课目
        boolean deptAdmin = webContext.isDeptAdmin();
        List<Integer> deptIds = new ArrayList<>();
        if (deptAdmin) {
            deptIds = webContext.getAdminDeptIds();
        }
        return subjectMapper.allSubject(deptIds);
    }
 
    @Override
    public Integer levelBySubjectId(Integer id) {
        return this.selectById(id).getLevel();
    }
 
    @Override
    public PageInfo<Subject> page(SubjectPageRequestVM requestVM) {
        return PageHelper.startPage(requestVM.getPageIndex(), requestVM.getPageSize(), "id desc").doSelectPageInfo(() ->
                subjectMapper.page(requestVM)
        );
    }
 
    @Override
    public List<Subject> getNames(String[] names) {
        return subjectMapper.getNames(names);
    }
 
    @Override
    public List<Subject> selectByIds(Integer[] ids) {
        return subjectMapper.selectByIds(ids);
    }
 
}