mitao
2024-12-06 56aea7aa05995ac0cca7c28e1324c4360afd4df5
medicalWaste-system/src/main/java/com/sinata/system/service/impl/SysDepartmentServiceImpl.java
@@ -1,19 +1,34 @@
package com.sinata.system.service.impl;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.sinata.common.constant.CacheConstants;
import com.sinata.common.exception.ServiceException;
import com.sinata.common.utils.BeanUtils;
import com.sinata.common.utils.CollUtils;
import com.sinata.common.utils.SecurityUtils;
import com.sinata.common.utils.StringUtils;
import com.sinata.system.domain.SysDepartment;
import com.sinata.system.domain.SysUserDepartment;
import com.sinata.system.domain.dto.SysDepartmentDTO;
import com.sinata.system.domain.vo.SysDepartmentVO;
import com.sinata.system.enums.DepartmentEnum;
import com.sinata.system.mapper.SysDepartmentMapper;
import com.sinata.system.service.SysDepartmentService;
import com.sinata.system.service.SysUserDepartmentService;
import lombok.RequiredArgsConstructor;
import org.jetbrains.annotations.NotNull;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.Objects;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
/**
@@ -28,18 +43,301 @@
@RequiredArgsConstructor
public class SysDepartmentServiceImpl extends ServiceImpl<SysDepartmentMapper, SysDepartment> implements SysDepartmentService {
    private final SysUserDepartmentService sysUserDepartmentService;
    private final RedisTemplate<Object, Object> redisTemplate;
    /**
     * 获取区域树
     * @return
     */
    @Override
    public List<SysDepartmentVO> listByType(Integer type) {
        Long userId = SecurityUtils.getUserId();
        List<SysDepartment> departmentList =  baseMapper.getDepartmentListByType(userId, type);
        if (CollUtils.isNotEmpty(departmentList)) {
            Map<Long, SysDepartment> departmentMap = departmentList.stream().collect(Collectors.toMap(SysDepartment::getId, Function.identity()));
        List<SysDepartmentVO> root = new ArrayList<>();
        SysDepartment myDepartment = getMyDepartment();
        if (Objects.isNull(myDepartment)) {
            return root;
        }
        return null;
        Map<Long, List<SysDepartment>> childrenMap;
        switch (type) {
            case 1:
                if (!myDepartment.getOrgType().equals(DepartmentEnum.REGION.getCode())) {
                    return root;
                }
                childrenMap = getChildrenDepartmentByOrgType(myDepartment, Collections.singletonList(DepartmentEnum.REGION.getCode()));
                break;
            case 2:
                childrenMap = getChildrenDepartmentByOrgType(myDepartment, Arrays.asList(DepartmentEnum.REGION.getCode(), DepartmentEnum.MEDICAL_INSTITUTION.getCode()));
                break;
            case 3:
                childrenMap = getChildrenDepartmentByOrgType(myDepartment, Arrays.asList(DepartmentEnum.REGION.getCode(), DepartmentEnum.DISPOSAL_UNIT.getCode()));
                break;
            case 4:
                childrenMap = getChildrenDepartmentByOrgType(myDepartment, Arrays.asList(DepartmentEnum.REGION.getCode(), DepartmentEnum.REGULATORY_UNIT.getCode()));
                break;
            default:
                childrenMap = getChildrenDepartmentByOrgType(myDepartment, null);
        }
        SysDepartmentVO sysDepartmentVO = fillChildrenTreeModel(myDepartment, childrenMap);
        root.add(sysDepartmentVO);
        return root;
    }
    /**
     * @param myDepartment
     * @param orgTypes     查询区域类型列表
     * @return
     */
    @NotNull
    private Map<Long, List<SysDepartment>> getChildrenDepartmentByOrgType(SysDepartment myDepartment, List<Integer> orgTypes) {
        List<SysDepartment> sysDepartmentList = this.lambdaQuery()
                .likeRight(SysDepartment::getTreeCode, myDepartment.getTreeCode())
                .in(CollUtils.isNotEmpty(orgTypes), SysDepartment::getOrgType, orgTypes)
                .orderByDesc(SysDepartment::getCreateTime)
                .list();
        return sysDepartmentList.stream()
                .collect(Collectors.groupingBy(SysDepartment::getParentId));
    }
    @Override
    public SysDepartment getDepartmentByParentId(Long parentId) {
        return this.lambdaQuery().eq(SysDepartment::getId, parentId).one();
    }
    /**
     * 获取区域树
     *
     * @return
     */
    @Override
    public List<SysDepartmentVO> getRegionTree(String keyword) {
        List<SysDepartmentVO> root = new ArrayList<>();
        SysDepartment currentDepartment = getMyDepartment();
        if (Objects.isNull(currentDepartment)) {
            return root;
        }
        if (!currentDepartment.getOrgType().equals(DepartmentEnum.REGION.getCode())) {
            return root;
        }
        Map<Long, List<SysDepartment>> childrenMap = getChildrenDepartmentByOrgType(currentDepartment, Collections.singletonList(DepartmentEnum.REGION.getCode()));
        SysDepartmentVO sysDepartmentVO = fillChildrenTreeModel(currentDepartment, childrenMap);
        root.add(sysDepartmentVO);
        if (StringUtils.isNotBlank(keyword)) {
            treeMatch(root, keyword);
        }
        return root;
    }
    /**
     * 获取当前登录用户所属区域
     *
     * @return
     */
    @Override
    public SysDepartment getMyDepartment() {
        Long userId = SecurityUtils.getUserId();
        return baseMapper.getDepartmentByUserId(userId);
    }
    /**
     * 构建树结构
     *
     * @param myDepartment
     * @param childrenMap
     * @return
     */
    private SysDepartmentVO fillChildrenTreeModel(SysDepartment myDepartment, Map<Long, List<SysDepartment>> childrenMap) {
        SysDepartmentVO currentNode = BeanUtils.copyBean(myDepartment, SysDepartmentVO.class);
        // 使用部门映射直接获取子部门,避免了遍历整个列表
        List<SysDepartment> children = childrenMap.getOrDefault(currentNode.getId(),
                Collections.emptyList());
        List<SysDepartmentVO> childrenList = children.stream().map(child -> fillChildrenTreeModel(child, childrenMap)).collect(Collectors.toList());
        currentNode.setChildren(childrenList.isEmpty() ? new ArrayList<>() : childrenList);
        childrenMap.remove(currentNode.getId());
        return currentNode;
    }
    /**
     * 递归方法
     *
     * @param tree    任意层级的目录集合
     * @param keyword 关键字
     */
    public static void treeMatch(List<SysDepartmentVO> tree, String keyword) {
        Iterator<SysDepartmentVO> iter = tree.iterator();
        while (iter.hasNext()) {
            // 获取当前遍历到的目录
            SysDepartmentVO department = iter.next();
            // 如果当前目录名称包含关键字,则什么也不做(不移除),否则就看下一级
            if (!department.getDepartmentName().contains(keyword)) {
                // 取出下一级目录集合
                List<SysDepartmentVO> childrenSysDepartmentVOList = department.getChildren();
                // 递归
                if (!CollUtils.isEmpty(childrenSysDepartmentVOList)) {
                    treeMatch(childrenSysDepartmentVOList, keyword);
                }
                // 下一级目录看完了,如果下一级目录全部被移除,则移除当前目录
                if (CollUtils.isEmpty(department.getChildren())) {
                    iter.remove();
                }
            }
        }
    }
    /**
     * 新增区域
     *
     * @param dto
     * @return
     */
    @Override
    public void addRegion(SysDepartmentDTO dto) {
        SysDepartment currentDepartment = getMyDepartment();
        if (Objects.isNull(currentDepartment)) {
            throw new ServiceException("无操作权限");
        }
        SysDepartment parent = this.getById(dto.getParentId());
        if (Objects.isNull(parent)) {
            throw new ServiceException("找不到对应父级组织");
        }
        if (!parent.getTreeCode().startsWith(currentDepartment.getTreeCode())) {
            throw new ServiceException("无操作权限");
        }
        Long count = this.lambdaQuery().eq(SysDepartment::getDepartmentName, dto.getDepartmentName())
                .eq(SysDepartment::getOrgType, DepartmentEnum.REGION.getCode())
                .count();
        if (count > 0) {
            throw new ServiceException("区域已存在");
        }
        SysDepartment department = BeanUtils.copyBean(dto, SysDepartment.class);
        //获取部门树编码
        department.setOrgType(DepartmentEnum.REGION.getCode());
        department.setTreeCode(getTreeCode(dto.getParentId()));
        department.setOrgCode(getOrgCode(dto.getParentId(), DepartmentEnum.REGION.getCode()));
        save(department);
    }
    /**
     * 编辑区域
     *
     * @param dto
     * @return
     */
    @Override
    public void editRegion(SysDepartmentDTO dto) {
        SysDepartment currentDepartment = getMyDepartment();
        if (Objects.isNull(currentDepartment)) {
            throw new ServiceException("无操作权限");
        }
        SysDepartment parent = this.getById(dto.getParentId());
        if (Objects.isNull(parent)) {
            throw new ServiceException("找不到对应父级组织");
        }
        if (!parent.getTreeCode().startsWith(currentDepartment.getTreeCode())) {
            throw new ServiceException("无操作权限");
        }
        Long count = this.lambdaQuery().eq(SysDepartment::getDepartmentName, dto.getDepartmentName())
                .eq(SysDepartment::getOrgType, DepartmentEnum.REGION.getCode())
                .ne(SysDepartment::getId, dto.getId())
                .count();
        if (count > 0) {
            throw new ServiceException("区域已存在");
        }
        SysDepartment department = BeanUtils.copyBean(dto, SysDepartment.class);
        SysDepartment sysDepartment = getById(dto.getId());
        if (!dto.getParentId().equals(sysDepartment.getParentId())) {
            //获取部门树编码
            department.setTreeCode(getTreeCode(dto.getParentId()));
        }
        updateById(department);
    }
    /**
     * 获取树编码
     *
     * @param parentId
     * @return
     */
    @Override
    public String getTreeCode(Long parentId) {
        String treeId;
        String preTreeCode = "";
        StringBuilder sb = new StringBuilder();
        SysDepartment sysDepartment = getById(parentId);
        if (sysDepartment != null) {
            preTreeCode = sysDepartment.getTreeCode();
        }
        //设置key
        String key = CacheConstants.SYS_DEPARTS_CACHE + parentId;
        int count = 0;
        //判断是否存在key
        if (redisTemplate.hasKey(key)) {
            count = (int) redisTemplate.opsForValue().get(key);
        }
        do {
            count++;
            treeId = sb.append(preTreeCode).append(StringUtils.leftPad(String.valueOf(count), 4, "0")).toString();
            SysDepartment department = getOne(new QueryWrapper<SysDepartment>().lambda().eq(SysDepartment::getTreeCode, treeId));
            if (department == null) {
                break;
            }
            sb = new StringBuilder();
        } while (true);
        //设置缓存过期时间
        redisTemplate.opsForValue().set(key, count, 365, TimeUnit.DAYS);
        return treeId;
    }
    /**
     * 生成组织编码
     * 区域、医疗机构、处置单位、监管单位 4位 按组织类型不重复
     *
     * @param parentId
     * @param orgType
     * @return
     */
    @Override
    public String getOrgCode(Long parentId, Integer orgType) {
        String key = CacheConstants.SYS_DEPARTMENT_ORG_CODE + orgType;
        int length = 4;
        int count = 0;
        //判断是否存在key
        if (redisTemplate.hasKey(key)) {
            count = (int) redisTemplate.opsForValue().get(key);
        }
        //组织编码
        String orgCode;
        do {
            count++;
            orgCode = StringUtils.leftPad(String.valueOf(count), length, "0");
            SysDepartment department = getOne(new QueryWrapper<SysDepartment>().lambda().eq(SysDepartment::getOrgCode, orgCode).eq(SysDepartment::getOrgType, orgType).last("limit 1"));
            if (department == null) {
                break;
            }
        } while (true);
        //设置缓存过期时间
        redisTemplate.opsForValue().set(key, count, 365, TimeUnit.DAYS);
        return orgCode;
    }
    @Override
    public void deleteRegion(Long id) {
        SysDepartment myDepartment = getMyDepartment();
        SysDepartment sysDepartment = getById(id);
        if (!sysDepartment.getTreeCode().startsWith(myDepartment.getTreeCode())) {
            throw new ServiceException("无操作权限");
        }
        List<SysDepartment> sysDepartmentList = this.lambdaQuery()
                .likeRight(SysDepartment::getTreeCode, sysDepartment.getTreeCode())
                .eq(SysDepartment::getOrgType, DepartmentEnum.REGION.getCode())
                .orderByDesc(SysDepartment::getCreateTime)
                .list();
        List<Long> departmentIds = sysDepartmentList.stream().map(SysDepartment::getId).collect(Collectors.toList());
        Long count = sysUserDepartmentService.lambdaQuery().in(SysUserDepartment::getDepartmentId, departmentIds).count();
        if (count > 0) {
            throw new ServiceException("该区域已存在用户,无法删除");
        }
        removeById(id);
    }
}