package com.zehong.system.service.impl; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.stream.Collectors; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import com.zehong.common.annotation.DataScope; import com.zehong.common.constant.UserConstants; import com.zehong.common.core.domain.TreeSelect; import com.zehong.common.core.domain.entity.SysDept; import com.zehong.common.core.domain.entity.SysRole; import com.zehong.common.exception.CustomException; import com.zehong.common.utils.StringUtils; import com.zehong.system.mapper.SysDeptMapper; import com.zehong.system.mapper.SysRoleMapper; import com.zehong.system.service.ISysDeptService; /** * 部门管理 服务实现 * * @author zehong */ @Service public class SysDeptServiceImpl implements ISysDeptService { @Autowired private SysDeptMapper deptMapper; @Autowired private SysRoleMapper roleMapper; /** * 查询部门管理数据 * * @param dept 部门信息 * @return 部门信息集合 */ @Override @DataScope(deptAlias = "d") public List<SysDept> selectDeptList(SysDept dept) { return deptMapper.selectDeptList(dept); } /** * 构建前端所需要树结构 * * @param depts 部门列表 * @return 树结构列表 */ @Override public List<SysDept> buildDeptTree(List<SysDept> depts) { List<SysDept> returnList = new ArrayList<SysDept>(); List<Long> tempList = new ArrayList<Long>(); for (SysDept dept : depts) { tempList.add(dept.getDeptId()); } for (Iterator<SysDept> iterator = depts.iterator(); iterator.hasNext();) { SysDept dept = (SysDept) iterator.next(); // 如果是顶级节点, 遍历该父节点的所有子节点 if (!tempList.contains(dept.getParentId())) { recursionFn(depts, dept); returnList.add(dept); } } if (returnList.isEmpty()) { returnList = depts; } return returnList; } /** * 构建前端所需要下拉树结构 * * @param depts 部门列表 * @return 下拉树结构列表 */ @Override public List<TreeSelect> buildDeptTreeSelect(List<SysDept> depts) { List<SysDept> deptTrees = buildDeptTree(depts); return deptTrees.stream().map(TreeSelect::new).collect(Collectors.toList()); } /** * 根据角色ID查询部门树信息 * * @param roleId 角色ID * @return 选中部门列表 */ @Override public List<Integer> selectDeptListByRoleId(Long roleId) { SysRole role = roleMapper.selectRoleById(roleId); return deptMapper.selectDeptListByRoleId(roleId, role.isDeptCheckStrictly()); } /** * 根据部门ID查询信息 * * @param deptId 部门ID * @return 部门信息 */ @Override public SysDept selectDeptById(Long deptId) { return deptMapper.selectDeptById(deptId); } /** * 根据ID查询所有子部门(正常状态) * * @param deptId 部门ID * @return 子部门数 */ @Override public int selectNormalChildrenDeptById(Long deptId) { return deptMapper.selectNormalChildrenDeptById(deptId); } /** * 是否存在子节点 * * @param deptId 部门ID * @return 结果 */ @Override public boolean hasChildByDeptId(Long deptId) { int result = deptMapper.hasChildByDeptId(deptId); return result > 0 ? true : false; } /** * 查询部门是否存在用户 * * @param deptId 部门ID * @return 结果 true 存在 false 不存在 */ @Override public boolean checkDeptExistUser(Long deptId) { int result = deptMapper.checkDeptExistUser(deptId); return result > 0 ? true : false; } /** * 校验部门名称是否唯一 * * @param dept 部门信息 * @return 结果 */ @Override public String checkDeptNameUnique(SysDept dept) { Long deptId = StringUtils.isNull(dept.getDeptId()) ? -1L : dept.getDeptId(); SysDept info = deptMapper.checkDeptNameUnique(dept.getDeptName(), dept.getParentId()); if (StringUtils.isNotNull(info) && info.getDeptId().longValue() != deptId.longValue()) { return UserConstants.NOT_UNIQUE; } return UserConstants.UNIQUE; } /** * 新增保存部门信息 * * @param dept 部门信息 * @return 结果 */ @Override public int insertDept(SysDept dept) { SysDept info = deptMapper.selectDeptById(dept.getParentId()); // 如果父节点不为正常状态,则不允许新增子节点 if (!UserConstants.DEPT_NORMAL.equals(info.getStatus())) { throw new CustomException("部门停用,不允许新增"); } dept.setAncestors(info.getAncestors() + "," + dept.getParentId()); return deptMapper.insertDept(dept); } /** * 修改保存部门信息 * * @param dept 部门信息 * @return 结果 */ @Override public int updateDept(SysDept dept) { SysDept newParentDept = deptMapper.selectDeptById(dept.getParentId()); SysDept oldDept = deptMapper.selectDeptById(dept.getDeptId()); if (StringUtils.isNotNull(newParentDept) && StringUtils.isNotNull(oldDept)) { String newAncestors = newParentDept.getAncestors() + "," + newParentDept.getDeptId(); String oldAncestors = oldDept.getAncestors(); dept.setAncestors(newAncestors); updateDeptChildren(dept.getDeptId(), newAncestors, oldAncestors); } int result = deptMapper.updateDept(dept); if (UserConstants.DEPT_NORMAL.equals(dept.getStatus())) { // 如果该部门是启用状态,则启用该部门的所有上级部门 updateParentDeptStatus(dept); } return result; } /** * 修改该部门的父级部门状态 * * @param dept 当前部门 */ private void updateParentDeptStatus(SysDept dept) { String updateBy = dept.getUpdateBy(); dept = deptMapper.selectDeptById(dept.getDeptId()); dept.setUpdateBy(updateBy); deptMapper.updateDeptStatus(dept); } /** * 修改子元素关系 * * @param deptId 被修改的部门ID * @param newAncestors 新的父ID集合 * @param oldAncestors 旧的父ID集合 */ public void updateDeptChildren(Long deptId, String newAncestors, String oldAncestors) { List<SysDept> children = deptMapper.selectChildrenDeptById(deptId); for (SysDept child : children) { child.setAncestors(child.getAncestors().replaceFirst(oldAncestors, newAncestors)); } if (children.size() > 0) { deptMapper.updateDeptChildren(children); } } /** * 删除部门管理信息 * * @param deptId 部门ID * @return 结果 */ @Override public int deleteDeptById(Long deptId) { return deptMapper.deleteDeptById(deptId); } /** * 递归列表 */ private void recursionFn(List<SysDept> list, SysDept t) { // 得到子节点列表 List<SysDept> childList = getChildList(list, t); t.setChildren(childList); for (SysDept tChild : childList) { if (hasChild(list, tChild)) { recursionFn(list, tChild); } } } /** * 得到子节点列表 */ private List<SysDept> getChildList(List<SysDept> list, SysDept t) { List<SysDept> tlist = new ArrayList<SysDept>(); Iterator<SysDept> it = list.iterator(); while (it.hasNext()) { SysDept n = (SysDept) it.next(); if (StringUtils.isNotNull(n.getParentId()) && n.getParentId().longValue() == t.getDeptId().longValue()) { tlist.add(n); } } return tlist; } /** * 判断是否有子节点 */ private boolean hasChild(List<SysDept> list, SysDept t) { return getChildList(list, t).size() > 0 ? true : false; } }