package doumeemes.service.aware;
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import doumeemes.core.aware.DataPermissionMapping;
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import doumeemes.core.aware.DefaultDataPermissionAware;
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import doumeemes.core.constants.DataPermissionConstants;
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import doumeemes.dao.system.dto.QuerySystemDepartmentDTO;
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import doumeemes.dao.system.model.SystemDepartment;
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import doumeemes.dao.system.model.SystemDepartmentUser;
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import doumeemes.dao.system.vo.SystemDepartmentListVO;
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import doumeemes.service.system.SystemDepartmentService;
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import doumeemes.service.system.SystemDepartmentUserService;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.beans.BeanUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import org.springframework.util.CollectionUtils;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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/**
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* 部门数据权限控制
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* @author Eva.Caesar Liu
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* @date 2022/04/18 18:12
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*/
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@Component
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public class DepartmentDataPermissionAware extends DefaultDataPermissionAware<SystemDepartmentListVO> {
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@Autowired
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private SystemDepartmentService systemDepartmentService;
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@Autowired
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private SystemDepartmentUserService systemDepartmentUserService;
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@Override
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public DataPermissionConstants.Module module() {
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return DataPermissionConstants.Module.DEPARTMENT;
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}
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@Override
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public List<SystemDepartmentListVO> defaultData(Integer userId) {
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return onlyUser(userId);
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}
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/**
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* 全部数据
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*
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* @return List<SystemDepartmentListVO>
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*/
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@DataPermissionMapping(value = DataPermissionConstants.Type.ALL, priority = 1)
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public List<SystemDepartmentListVO> all() {
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QuerySystemDepartmentDTO dto = new QuerySystemDepartmentDTO();
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return this.getRootList(systemDepartmentService.findList(dto));
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}
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/**
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* 自定义
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*
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* @param customData 自定义数据ID集
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* @return List<SystemDepartmentListVO>
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*/
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@DataPermissionMapping(value = DataPermissionConstants.Type.DEPARTMENT_CUSTOM, priority = 2, injectCustomData = true)
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public List<SystemDepartmentListVO> custom(String customData) {
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if (StringUtils.isBlank(customData)) {
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return Collections.emptyList();
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}
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List<Integer> ids = new ArrayList<>();
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String[] stringIds = customData.split(",");
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for(String stringId : stringIds) {
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ids.add(Integer.valueOf(stringId));
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}
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QuerySystemDepartmentDTO dto = new QuerySystemDepartmentDTO();
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dto.setIds(ids);
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List<SystemDepartmentListVO> departmentListVo = systemDepartmentService.findList(dto);
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return this.getRootList(departmentListVo);
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}
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/**
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* 用户所属部门及其子孙部门
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*
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* @param userId 用户ID
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* @return List<SystemDepartmentListVO>
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*/
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@DataPermissionMapping(value = DataPermissionConstants.Type.DEPARTMENT_CHILDREN, priority = 3, injectUser = true)
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public List<SystemDepartmentListVO> children(Integer userId) {
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return this.getRootList(getUserChildren(userId));
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}
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/**
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* 用户所属部门及其子部门
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*
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* @param userId 用户ID
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* @return List<SystemDepartmentListVO>
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*/
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@DataPermissionMapping(value = DataPermissionConstants.Type.DEPARTMENT_CHILD, priority = 4, injectUser = true)
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public List<SystemDepartmentListVO> child(Integer userId) {
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List<SystemDepartmentListVO> children = this.getRootList(getUserChildren(userId));
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for (SystemDepartmentListVO root : children) {
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if (CollectionUtils.isEmpty(root.getChildren())) {
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continue;
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}
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for (SystemDepartmentListVO child : root.getChildren()) {
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if (CollectionUtils.isEmpty(child.getChildren())) {
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continue;
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}
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child.setHasChildren(Boolean.TRUE);
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child.setChildren(null);
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}
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}
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return children;
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}
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/**
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* 仅用户所属部门
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*
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* @param userId 用户ID
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* @return List<SystemDepartmentListVO>
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*/
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@DataPermissionMapping(value = DataPermissionConstants.Type.DEPARTMENT, priority = 5, injectUser = true)
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public List<SystemDepartmentListVO> onlyUser(Integer userId) {
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SystemDepartmentListVO userDepartment = this.getUserDepartment(userId);
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if (userDepartment == null) {
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return Collections.emptyList();
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}
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return new ArrayList<SystemDepartmentListVO>(){{
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this.add(userDepartment);
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}};
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}
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/**
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* 获取根部门
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*/
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private List<SystemDepartmentListVO> getRootList(List<SystemDepartmentListVO> departments) {
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if (CollectionUtils.isEmpty(departments)) {
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return Collections.emptyList();
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}
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List<SystemDepartmentListVO> rootDepartments = new ArrayList<>();
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// 添加根部门
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for (SystemDepartmentListVO currentDepartment : departments) {
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boolean hasParent = false;
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for (SystemDepartmentListVO department: departments) {
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if (department.getId().equals(currentDepartment.getParentId())) {
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hasParent = true;
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break;
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}
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}
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if (!hasParent) {
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rootDepartments.add(currentDepartment);
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}
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}
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// 移除根部门
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for (SystemDepartmentListVO rootDepartment : rootDepartments) {
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departments.removeIf(department -> department.getId().equals(rootDepartment.getId()));
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}
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// 填充子部门
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for (SystemDepartmentListVO child : rootDepartments) {
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this.fillChildren(child, departments);
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}
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return rootDepartments;
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}
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/**
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* 获取用户部门
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*/
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private SystemDepartmentListVO getUserDepartment (Integer userId) {
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SystemDepartmentUser queryDto = new SystemDepartmentUser();
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queryDto.setUserId(userId);
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queryDto.setDeleted(Boolean.FALSE);
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SystemDepartmentUser departmentUser = systemDepartmentUserService.findOne(queryDto);
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if (departmentUser == null) {
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return null;
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}
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QuerySystemDepartmentDTO dto = new QuerySystemDepartmentDTO();
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dto.setId(departmentUser.getDepartmentId());
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List<SystemDepartmentListVO> systemDepartments = systemDepartmentService.findList(dto);
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if (systemDepartments.isEmpty()) {
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return null;
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}
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return systemDepartments.get(0);
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}
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/**
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* 获取用户子孙部门
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*/
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private List<SystemDepartmentListVO> getUserChildren (Integer userId) {
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SystemDepartmentListVO userDepartment = this.getUserDepartment(userId);
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if (userDepartment == null) {
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return Collections.emptyList();
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}
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// 查询用户所在部门以下部门
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List<SystemDepartmentListVO> departmentListVo = new ArrayList<>();
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List<Integer> ids = systemDepartmentService.findChildren(userDepartment.getId());
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if (!ids.isEmpty()) {
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QuerySystemDepartmentDTO dto = new QuerySystemDepartmentDTO();
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dto.setIds(ids);
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departmentListVo = systemDepartmentService.findList(dto);
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}
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departmentListVo.add(userDepartment);
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return departmentListVo;
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}
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/**
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* 填充子部门
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*/
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private void fillChildren(SystemDepartmentListVO parent, List<SystemDepartmentListVO> departments) {
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if (departments.size() == 0) {
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return;
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}
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if (parent.getChildren() == null) {
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parent.setChildren(new ArrayList<>());
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}
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List<Integer> handledIds = new ArrayList<>();
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for (SystemDepartmentListVO department : departments) {
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if (parent.getId().equals(department.getParentId())) {
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SystemDepartmentListVO child = new SystemDepartmentListVO();
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BeanUtils.copyProperties(department, child, "children");
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child.setChildren(new ArrayList<>());
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parent.getChildren().add(child);
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handledIds.add(department.getId());
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}
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}
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departments.removeIf(menu -> handledIds.contains(menu.getId()));
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parent.setHasChildren(Boolean.TRUE);
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if (parent.getChildren().size() > 0) {
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parent.setHasChildren(Boolean.FALSE);
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for (SystemDepartmentListVO child : parent.getChildren()) {
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this.fillChildren(child, departments);
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}
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}
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}
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}
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