package com.yami.trading.service.impl;
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import cn.hutool.core.collection.CollectionUtil;
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import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.google.common.collect.Lists;
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import com.yami.trading.bean.model.RecomCalculate;
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import com.yami.trading.bean.model.User;
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import com.yami.trading.bean.model.UserRecom;
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import com.yami.trading.bean.user.dto.UserAllRecomDto;
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import com.yami.trading.bean.user.dto.UserRecomDto;
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import com.yami.trading.common.constants.Constants;
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import com.yami.trading.common.constants.PartyRedisKeys;
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import com.yami.trading.common.constants.RedisKeys;
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import com.yami.trading.common.exception.YamiShopBindException;
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import com.yami.trading.dao.user.UserRecomMapper;
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import com.yami.trading.service.user.UserRecomService;
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import com.yami.trading.service.user.UserService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.annotation.Lazy;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.io.Serializable;
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import java.util.*;
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import java.util.stream.Collectors;
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@Service
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public class UserRecomServiceImpl extends ServiceImpl<UserRecomMapper, UserRecom> implements UserRecomService {
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@Autowired
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RedisTemplate redisTemplate;
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@Autowired
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@Lazy
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private UserService userService;
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@Override
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public Page list(Page page, String useName, String recomUserName,List<String> userIds) {
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return baseMapper.list(page,useName,recomUserName,userIds);
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}
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@Override
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public List<String> findChildren(String userId) {
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List list = new ArrayList();
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list = findChildren(userId, list);
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return list;
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}
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@Override
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public List<UserRecom> getParents(String partyId) {
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List list = new LinkedList();
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if (partyId == null) {
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return list;
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}
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list = findParents(partyId, list);
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return list;
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}
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private List<UserRecom> findParents(String partyId, List<UserRecom> list) {
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UserRecom userRecom = findByPartyId(partyId);
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if (userRecom != null) {
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list.add(userRecom);
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findParents(userRecom.getUserId(), list);
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}
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return list;
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}
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@Override
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public List<String> findRecomsToPartyId(String partyId) {
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List<UserRecom> recom_list = findRecoms(partyId);
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return recom_list.stream().map(userRecom->userRecom.getUserId().toString()).collect(Collectors.toList());
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}
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@Override
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public UserRecom findByPartyId(String partyId) {
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if (partyId == null) {
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return null;
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}
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List<UserRecom> userRecomList= list(Wrappers.<UserRecom>query().lambda().eq(UserRecom::getRecomUserId,partyId));
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if (CollectionUtil.isEmpty(userRecomList)){
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return null;
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}
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return userRecomList.get(0);
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}
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public List<UserRecom> findRecoms(String userId){
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return list(Wrappers.<UserRecom>query().lambda().eq(UserRecom::getUserId,
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userId));
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}
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@Override
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public Map<String, Integer> findAllRecommCount() {
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List<UserRecom> list = list();
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RecomCalculate calculate = new RecomCalculate(list);
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return calculate.getRecomCount();
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}
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@Override
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public Page listUserAll(Page<UserAllRecomDto> page, String userName, String recomUserName, List<String> ownerUserIds) {
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return baseMapper.listUserAll(page,userName,recomUserName,ownerUserIds);
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}
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@Override
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@Transactional
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public void updateAllRecom(String userCode, String userId) {
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User recomUser=userService.findUserByUserCode(userCode);
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if (recomUser==null){
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throw new YamiShopBindException("推荐人UID错误");
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}
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UserRecom userRecom= findByPartyId(userId);
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if (userRecom==null){
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userRecom=new UserRecom();
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userRecom.setRecomUserId(userId);
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userRecom.setUserId(recomUser.getUserId());
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save(userRecom);
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}
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else {
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userRecom.setUserId(recomUser.getUserId());
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updateById(userRecom);
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}
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User user=userService.getById(userId);
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user.setUserRecom(recomUser.getUserId());
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userService.updateById(user);
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}
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/**
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* 获取用户推荐数网络 列表（第i层用户数）
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* @return
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*/
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@Override
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public List<Integer> getRecoNumNetList(String partyId) {
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Map<Integer, Integer> recoNumNet = getRecoNumNet(partyId);
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List<Integer> keys = new ArrayList<Integer>(recoNumNet.keySet());
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Collections.sort(keys);
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List<Integer> list = new LinkedList<Integer>();
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for (int i = 0; i < keys.size(); i++) {
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list.add(recoNumNet.get(keys.get(i)));
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}
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return list;
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}
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/**
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* 获取用户推荐数网络
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* @return key:网络层级，value:用户数
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*/
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public Map<Integer,Integer> getRecoNumNet(String partyId){
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List<String> all = findChildren(partyId);
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int allSize = all.size();
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int sum = 0;
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int level = 1;
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Map<Integer,Integer> result = new HashMap<Integer,Integer>();
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findRecomsNet(partyId,level,result,sum,allSize);
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return result;
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}
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public void findRecomsNet(String partyId,int level,Map<Integer,Integer> result,int sum,int allSize) {
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if(sum>=allSize) return;
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List<UserRecom> users = findRecoms(partyId);
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if(CollectionUtils.isEmpty(users)) {
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return;
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}
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int num = 0;
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for(UserRecom user:users) {
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findRecomsNet(user.getRecomUserId(),level+1,result,sum,allSize);
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User party = userService.getById(user.getRecomUserId());
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if (!Constants.SECURITY_ROLE_MEMBER.equals(party.getRoleName())) {//非正式用户不统计
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continue;
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}
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num++;
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}
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sum+=users.size();//总数
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if(num>0) {
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result.put(level, result.get(level)==null?num:result.get(level)+num);
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}
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}
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private List<String> findChildren(String userId, List<String> list) {
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List recomList = findRecoms(userId);
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for (int i = 0; i < recomList.size(); i++) {
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list.add(((UserRecom) recomList.get(i)).getRecomUserId());
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findChildren(((UserRecom) recomList.get(i)).getRecomUserId(),list);
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}
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return list;
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}
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}
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