package com.ycl.jxkg.service.impl;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
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import com.baomidou.mybatisplus.extension.conditions.update.LambdaUpdateChainWrapper;
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import com.ycl.jxkg.context.WebContext;
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import com.ycl.jxkg.domain.entity.Classes;
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import com.ycl.jxkg.domain.entity.ClassesUser;
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import com.ycl.jxkg.domain.vo.StudentSimpleVO;
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import com.ycl.jxkg.domain.vo.StudentVO;
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import com.ycl.jxkg.enums.general.ClassesStatusEnum;
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import com.ycl.jxkg.mapper.ClassesMapper;
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import com.ycl.jxkg.mapper.MeetClassesMapper;
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import com.ycl.jxkg.service.ClassesService;
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import com.ycl.jxkg.base.Result;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ycl.jxkg.domain.form.ClassesForm;
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import com.ycl.jxkg.domain.vo.ClassesVO;
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import com.ycl.jxkg.domain.query.ClassesQuery;
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import com.ycl.jxkg.service.ClassesUserService;
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import com.ycl.jxkg.utils.PageUtil;
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import org.springframework.beans.BeanUtils;
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import org.springframework.stereotype.Service;
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import lombok.RequiredArgsConstructor;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.util.Assert;
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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.stream.Collectors;
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/**
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* 班级 服务实现类
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*
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* @author xp
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* @since 2024-06-03
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*/
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@Service
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@RequiredArgsConstructor
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public class ClassesServiceImpl extends ServiceImpl<ClassesMapper, Classes> implements ClassesService {
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private final ClassesMapper classesMapper;
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private final WebContext webContext;
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private final ClassesUserService classesUserService;
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private final MeetClassesMapper meetClassesMapper;
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/**
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* 添加
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* @param form
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* @return
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*/
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Result add(ClassesForm form) {
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Classes entity = ClassesForm.getEntityByForm(form, null);
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entity.setStatus(ClassesStatusEnum.NORMAL);
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entity.setCreateUser(webContext.getCurrentUser().getId());
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baseMapper.insert(entity);
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List<Integer> teacherList = form.getTeacherList();
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if (! CollectionUtils.isEmpty(teacherList)) {
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for (Integer teacherUserId : teacherList) {
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ClassesUser classesUser = new ClassesUser();
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classesUser.setClassesId(entity.getId());
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classesUser.setUserId(teacherUserId);
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classesUser.setTeacher(Boolean.TRUE);
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classesUserService.save(classesUser);
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}
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}
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return Result.ok("添加成功");
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}
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/**
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* 修改
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* @param form
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* @return
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*/
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Result update(ClassesForm form) {
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Classes entity = baseMapper.selectById(form.getId());
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// 为空抛IllegalArgumentException，做全局异常处理
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Assert.notNull(entity, "记录不存在");
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BeanUtils.copyProperties(form, entity);
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baseMapper.updateById(entity);
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new LambdaUpdateChainWrapper<>(classesUserService.getBaseMapper())
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.eq(ClassesUser::getClassesId, entity.getId())
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.eq(ClassesUser::getTeacher, Boolean.TRUE)
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.remove();
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List<Integer> teacherList = form.getTeacherList();
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if (! CollectionUtils.isEmpty(teacherList)) {
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for (Integer teacherUserId : teacherList) {
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ClassesUser classesUser = new ClassesUser();
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classesUser.setClassesId(entity.getId());
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classesUser.setUserId(teacherUserId);
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classesUser.setTeacher(Boolean.TRUE);
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classesUserService.save(classesUser);
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}
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}
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return Result.ok("修改成功");
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}
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/**
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* 批量删除
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* @param ids
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* @return
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*/
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@Override
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public Result remove(List<String> ids) {
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baseMapper.deleteBatchIds(ids);
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return Result.ok("删除成功");
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}
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/**
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* id删除
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* @param id
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* @return
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*/
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@Override
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public Result removeById(String id) {
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baseMapper.deleteById(id);
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return Result.ok("删除成功");
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}
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/**
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* 分页查询
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* @param query
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* @return
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*/
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@Override
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public Result page(ClassesQuery query) {
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IPage<ClassesVO> page = PageUtil.getPage(query, ClassesVO.class);
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query.setUserId(webContext.getCurrentUser().getId());
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baseMapper.getPage(page, query);
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for (ClassesVO vo : page.getRecords()) {
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List<StudentVO> teacherList = classesUserService.getTeacherListByClassesId(vo.getId());
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List<Integer> teacherIds = teacherList.stream().map(StudentVO::getId).collect(Collectors.toList());
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String teacherNamesStr = teacherList.stream().map(StudentVO::getRealName).collect(Collectors.joining(","));
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vo.setTeacherList(teacherIds);
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vo.setTeacherNamesStr(teacherNamesStr);
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}
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return Result.ok().data(page.getRecords()).total(page.getTotal());
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}
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/**
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* 根据id查找
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* @param id
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* @return
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*/
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@Override
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public Result detail(Integer id) {
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ClassesVO vo = baseMapper.getById(id);
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Assert.notNull(vo, "记录不存在");
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return Result.ok().data(vo);
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}
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/**
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* 列表
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* @return
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*/
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@Override
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public Result all() {
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List<Classes> entities = baseMapper.selectList(null);
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List<ClassesVO> vos = entities.stream()
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.map(entity -> ClassesVO.getVoByEntity(entity, null))
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.collect(Collectors.toList());
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return Result.ok().data(vos);
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}
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@Override
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public Result dissolution(Integer id) {
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new LambdaUpdateChainWrapper<>(baseMapper)
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.eq(Classes::getId, id)
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.set(Classes::getStatus, ClassesStatusEnum.DISSOLUTION)
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.update();
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return Result.ok("解散成功");
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}
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@Override
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public Result myClassList() {
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Integer userId = webContext.getCurrentUser().getId();
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List<Classes> list = new LambdaQueryChainWrapper<>(baseMapper)
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.select(Classes::getId, Classes::getClassName)
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.eq(Classes::getCreateUser, userId)
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.list();
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return Result.ok(list);
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}
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@Override
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public Result recover(Integer id) {
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new LambdaUpdateChainWrapper<>(baseMapper)
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.eq(Classes::getId, id)
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.set(Classes::getStatus, ClassesStatusEnum.NORMAL)
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.update();
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return Result.ok("班级已经恢复正常");
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}
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}
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