content: package org.ruoyi.system.service.impl;
  
  import cn.hutool.core.util.ObjectUtil;
  import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
  import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
  import com.baomidou.mybatisplus.core.toolkit.Wrappers;
  import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
  import lombok.RequiredArgsConstructor;
  import org.ruoyi.common.core.exception.ServiceException;
  import org.ruoyi.common.core.utils.MapstructUtils;
  import org.ruoyi.common.core.utils.StringUtils;
  import org.ruoyi.core.page.PageQuery;
  import org.ruoyi.core.page.TableDataInfo;
  import org.ruoyi.system.domain.SysPost;
  import org.ruoyi.system.domain.SysUserPost;
  import org.ruoyi.system.domain.bo.SysPostBo;
  import org.ruoyi.system.domain.vo.SysPostVo;
  import org.ruoyi.system.mapper.SysPostMapper;
  import org.ruoyi.system.mapper.SysUserPostMapper;
  import org.ruoyi.system.service.ISysPostService;
  import org.springframework.stereotype.Service;
  
  import java.util.Arrays;
  import java.util.List;
  
  /**
   * 岗位信息 服务层处理
   *
   * @author Lion Li
   */
  @RequiredArgsConstructor
  @Service
  public class SysPostServiceImpl implements ISysPostService {
  
      private final SysPostMapper baseMapper;
      private final SysUserPostMapper userPostMapper;
  
      @Override
      public TableDataInfo<SysPostVo> selectPagePostList(SysPostBo post, PageQuery pageQuery) {
          LambdaQueryWrapper<SysPost> lqw = buildQueryWrapper(post);
          Page<SysPostVo> page = baseMapper.selectVoPage(pageQuery.build(), lqw);
          return TableDataInfo.build(page);
      }
  
      /**
       * 查询岗位信息集合
       *
       * @param post 岗位信息
       * @return 岗位信息集合
       */
      @Override
      public List<SysPostVo> selectPostList(SysPostBo post) {
          LambdaQueryWrapper<SysPost> lqw = buildQueryWrapper(post);
          return baseMapper.selectVoList(lqw);
      }
  
      private LambdaQueryWrapper<SysPost> buildQueryWrapper(SysPostBo bo) {
          LambdaQueryWrapper<SysPost> lqw = Wrappers.lambdaQuery();
          lqw.like(StringUtils.isNotBlank(bo.getPostCode()), SysPost::getPostCode, bo.getPostCode());
          lqw.like(StringUtils.isNotBlank(bo.getPostName()), SysPost::getPostName, bo.getPostName());
          lqw.eq(StringUtils.isNotBlank(bo.getStatus()), SysPost::getStatus, bo.getStatus());
          lqw.orderByAsc(SysPost::getPostSort);
          return lqw;
      }
  
      /**
       * 查询所有岗位
       *
       * @return 岗位列表
       */
      @Override
      public List<SysPostVo> selectPostAll() {
          return baseMapper.selectVoList(new QueryWrapper<>());
      }
  
      /**
       * 通过岗位ID查询岗位信息
       *
       * @param postId 岗位ID
       * @return 角色对象信息
       */
      @Override
      public SysPostVo selectPostById(Long postId) {
          return baseMapper.selectVoById(postId);
      }
  
      /**
       * 根据用户ID获取岗位选择框列表
       *
       * @param userId 用户ID
       * @return 选中岗位ID列表
       */
      @Override
      public List<Long> selectPostListByUserId(Long userId) {
          return baseMapper.selectPostListByUserId(userId);
      }
  
      /**
       * 校验岗位名称是否唯一
       *
       * @param post 岗位信息
       * @return 结果
       */
      @Override
      public boolean checkPostNameUnique(SysPostBo post) {
          boolean exist = baseMapper.exists(new LambdaQueryWrapper<SysPost>()
              .eq(SysPost::getPostName, post.getPostName())
              .ne(ObjectUtil.isNotNull(post.getPostId()), SysPost::getPostId, post.getPostId()));
          return !exist;
      }
  
      /**
       * 校验岗位编码是否唯一
       *
       * @param post 岗位信息
       * @return 结果
       */
      @Override
      public boolean checkPostCodeUnique(SysPostBo post) {
          boolean exist = baseMapper.exists(new LambdaQueryWrapper<SysPost>()
              .eq(SysPost::getPostCode, post.getPostCode())
              .ne(ObjectUtil.isNotNull(post.getPostId()), SysPost::getPostId, post.getPostId()));
          return !exist;
      }
  
      /**
       * 通过岗位ID查询岗位使用数量
       *
       * @param postId 岗位ID
       * @return 结果
       */
      @Override
      public long countUserPostById(Long postId) {
          return userPostMapper.selectCount(new LambdaQueryWrapper<SysUserPost>().eq(SysUserPost::getPostId, postId));
      }
  
      /**
       * 删除岗位信息
       *
       * @param postId 岗位ID
       * @return 结果
       */
      @Override
      public int deletePostById(Long postId) {
          return baseMapper.deleteById(postId);
      }
  
      /**
       * 批量删除岗位信息
       *
       * @param postIds 需要删除的岗位ID
       * @return 结果
       */
      @Override
      public int deletePostByIds(Long[] postIds) {
          for (Long postId : postIds) {
              SysPost post = baseMapper.selectById(postId);
              if (countUserPostById(postId) > 0) {
                  throw new ServiceException(String.format("%1$s已分配,不能删除", post.getPostName()));
              }
          }
          return baseMapper.deleteBatchIds(Arrays.asList(postIds));
      }
  
      /**
       * 新增保存岗位信息
       *
       * @param bo 岗位信息
       * @return 结果
       */
      @Override
      public int insertPost(SysPostBo bo) {
          SysPost post = MapstructUtils.convert(bo, SysPost.class);
          return baseMapper.insert(post);
      }
  
      /**
       * 修改保存岗位信息
       *
       * @param bo 岗位信息
       * @return 结果
       */
      @Override
      public int updatePost(SysPostBo bo) {
          SysPost post = MapstructUtils.convert(bo, SysPost.class);
          return baseMapper.updateById(post);
      }
  }
  