package com.moral.service.impl;
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import com.alibaba.fastjson.JSON;
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import com.github.pagehelper.PageHelper;
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import com.moral.common.bean.Constants;
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import com.moral.common.bean.PageBean;
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import com.moral.common.exception.BusinessException;
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import com.moral.common.util.ExampleUtil;
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import com.moral.common.util.ValidateUtil;
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import com.moral.entity.Organization;
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import com.moral.entity.OrganizationRelation;
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import com.moral.mapper.OrganizationMapper;
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import com.moral.mapper.OrganizationRelationMapper;
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import com.moral.service.OrganizationService;
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import org.apache.commons.collections.CollectionUtils;
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import org.springframework.data.annotation.Transient;
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import org.springframework.stereotype.Service;
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import tk.mybatis.mapper.entity.Example;
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import tk.mybatis.mapper.entity.Example.Criteria;
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import javax.annotation.Resource;
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import java.util.*;
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import java.util.stream.Collectors;
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import static com.moral.common.bean.Constants.IS_DELETE_FALSE;
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@Service
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public class OrganizationServiceImpl implements OrganizationService {
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@Resource
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private OrganizationMapper organizationMapper;
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@Resource
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private OrganizationRelationMapper organizationRelationMapper;
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private static Class ENTITY_CLASS = Organization.class;
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@Override
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public Set<Integer> getChildOrganizationIds(Integer orgId){
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Set<Integer> orgIds = new HashSet<Integer>();
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orgIds.add(orgId);
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OrganizationRelation relation = new OrganizationRelation();
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relation.setParentId(orgId);
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Organization organization = organizationMapper.selectByPrimaryKey(orgId);
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if (IS_DELETE_FALSE.equals(organization.getIsDelete())) {
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List<OrganizationRelation> organizationRelations = organizationRelationMapper.select(relation);
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for (OrganizationRelation organizationRelation : organizationRelations) {
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Set<Integer> organizationIds = getChildOrganizationIds(organizationRelation.getChildId());
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orgIds.addAll(organizationIds);
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}
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}
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return orgIds;
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}
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@Override
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public List<Organization> getOrganizationsByAreaName(Map<String, Object> parameters) {
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ValidateUtil.notNull(parameters.get("areaName"), "param.is.null");
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List<Organization> organizations = organizationMapper.getOrganizationsByAreaName(parameters);
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return organizations;
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}
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@Override
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public PageBean queryByPageBean(PageBean pageBean){
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Example example = ExampleUtil.generateExample(ENTITY_CLASS,pageBean);
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List<Example.Criteria> criteriaList = example.getOredCriteria();
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if(criteriaList!=null&&criteriaList.size()>0){
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for(Example.Criteria cri : criteriaList){
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cri.andNotEqualTo("isDelete",Constants.IS_DELETE_TRUE);
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}
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}else {
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example.or().andNotEqualTo("isDelete",Constants.IS_DELETE_TRUE);
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}
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if(pageBean.getPageSize()>0){
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PageHelper.startPage(pageBean.getPageIndex(),pageBean.getPageSize());
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}
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if(example.getOrderByClause() == null || example.getOrderByClause().isEmpty()) {
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example.setOrderByClause("create_time desc");
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}
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List<Organization> organizationList = organizationMapper.selectWithAreaNameByExample(example);
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return new PageBean(organizationList);
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}
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@Override
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public void addOrModify(Organization organization){
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try{
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if(organization.getId()==null){
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//新建数据，默认为未删除状态
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organization.setIsDelete(Constants.IS_DELETE_FALSE);
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organizationMapper.insertSelective(organization);
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}else{
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organizationMapper.updateByPrimaryKey(organization);
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}
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if(organization.getId()!=null && !organization.getId().equals(organization.getParentId())){
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List<Integer> orgIds = organizationMapper.selectLowerOrgIds(organization.getId());
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boolean isChild = orgIds.stream().anyMatch(
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item -> {
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return item!=null && item.equals(organization.getParentId());
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}
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);
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// 非子孙组织才能设为父组织，避免闭环脏数据
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if(!isChild){
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//更新父组织关系
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addOrModifyOrgRelation(organization);
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}else{
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throw new BusinessException("cannot set the children as father,organization:"+ JSON.toJSONString(organization));
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}
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}else {
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throw new BusinessException("id of organization can't equal to it's parentId,organization:"+ JSON.toJSONString(organization));
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}
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}
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catch (Exception ex){
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throw ex;
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}
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}
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@Transient
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private void addOrModifyOrgRelation(Organization organization){
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OrganizationRelation relation = new OrganizationRelation();
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relation.setChildId(organization.getId());
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List<OrganizationRelation> relations = organizationRelationMapper.select(relation);
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if(CollectionUtils.isEmpty(relations)){
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relation.setParentId(organization.getParentId());
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organizationRelationMapper.insert(relation);
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}else{
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OrganizationRelation relationOfSelect = relations.get(0);
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//当关系发生修改时，更新关系
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if(organization.getParentId() !=null &&
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!organization.getParentId().equals(relationOfSelect.getParentId())
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) {
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relationOfSelect.setParentId(organization.getParentId());
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organizationRelationMapper.updateByPrimaryKey(relationOfSelect);
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}else if(organization.getParentId() ==null){
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//ParentI为null，删除该条记录
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organizationRelationMapper.deleteByPrimaryKey(relationOfSelect.getId());
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}
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//删除多余关系
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if(relations.size()>1){
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relations.remove(0);
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List<Integer> relationIds = relations.stream().map(
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element->{
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return element.getId();
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}
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).collect(Collectors.toList());
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Example example = new Example(OrganizationRelation.class);
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example.or().andIn("id",relationIds);
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organizationRelationMapper.deleteByExample(example);
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}
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}
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}
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@Override
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public void deleteByIds(Integer... ids) {
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Organization organization = new Organization();
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organization.setIsDelete(Constants.IS_DELETE_TRUE);
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if(ids!=null&&ids.length>0){
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if(ids.length==1){
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organization.setId(ids[0]);
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organizationMapper.updateByPrimaryKeySelective(organization);
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}else{
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Example example = new Example(ENTITY_CLASS);
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example.or().andIn("id", Arrays.asList(ids));
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organizationMapper.updateByExampleSelective(organization,example);
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}
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}
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}
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@Override
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public List<Organization> getOrganizationsByName(String name) {
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ValidateUtil.notEmpty(name, "param.is.null");
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Example example = new Example(Organization.class);
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Criteria criteria = example.createCriteria();
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criteria.andEqualTo("isDelete", Constants.IS_DELETE_FALSE).andLike("name", "%" + name + "%");
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example.or().andEqualTo("isDelete", Constants.IS_DELETE_FALSE).andCondition("getPY(name) like ", "%" + name + "%");
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List<Organization> organizations = organizationMapper.selectByExample(example);
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return organizations;
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}
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@Override
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public Organization getOrganizationById(int id) {
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Example example = new Example(ENTITY_CLASS);
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example.or().andEqualTo("id",id);
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List<Organization> organizationList = organizationMapper.selectWithAreaNameByExample(example);
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return organizationList.size()>0?organizationList.get(0):null;
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}
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@Override
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public Organization getFatherOrg(int childId) {
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OrganizationRelation relation = new OrganizationRelation();
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relation.setChildId(childId);
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List<OrganizationRelation> relations = organizationRelationMapper.select(relation);
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if (!CollectionUtils.isEmpty(relations)){
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OrganizationRelation relationOfSelect = relations.get(0);
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if(relationOfSelect.getParentId()!=null){
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return organizationMapper.selectByPrimaryKey(relationOfSelect.getParentId());
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}
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}
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return null;
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}
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}
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