package com.whyc.service;
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import com.baomidou.mybatisplus.core.conditions.Wrapper;
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import com.github.pagehelper.PageHelper;
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import com.github.pagehelper.PageInfo;
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import com.whyc.dto.Response;
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import com.whyc.dto.UserClient;
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import com.whyc.mapper.UserMapper;
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import com.whyc.pojo.db_user.User;
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import com.whyc.util.CommonUtil;
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import com.whyc.util.RSAUtil;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.cache.annotation.CacheEvict;
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import org.springframework.cache.annotation.Cacheable;
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import org.springframework.context.ApplicationContext;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import javax.servlet.ServletContext;
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import java.security.InvalidParameterException;
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import java.util.*;
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@Service
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@Slf4j
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public class UserService {
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@Resource
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private UserMapper userMapper;
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@Resource
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private UserBridgeService userBridgeService;
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@Autowired
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private ApplicationContext applicationContext;
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public Response add(User user) {
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try {
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User userFound = userBridgeService.findPasswordByUserName(user.getName());
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if (userFound.getId() != 0) {
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return new Response<>().set(1, false, "用户已存在");
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}
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if (userMapper.addJudge(user.getName(),user.getPhoneNumber())>0){
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return new Response<>().set(1, false, "用户已存在");
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}
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//user.setCreateTime(new Date());
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String[] dataArr = RSAUtil.decryptFrontP(user.getPwd(), RSAUtil.fontSeparator);
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String password = dataArr[0];
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String passwordMD5 = dataArr[1];
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if(!CommonUtil.EncryptionMD5(password).equals(passwordMD5)){
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throw new InvalidParameterException("参数校验失败");
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}
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user.setPwd(RSAUtil.encrypt(password,RSAUtil.getPublicKey()));
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int flag = userMapper.insert(user);
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if (flag > 0) {
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return new Response<>().set(1, true);
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} else {
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return new Response<>().set(1, false, "添加失败");
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}
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}catch (Exception e){
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e.printStackTrace();
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return new Response<>().set(0);
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}
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}
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@CacheEvict(value = "userPage",allEntries = true)
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public Response addByRSA(User user) {
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User userFound = userBridgeService.findPasswordByUserName(user.getName());
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if (userFound.getId() != 0) {
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return new Response<>().set(1, false, "用户名已存在");
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}
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User userOfPhoneNumber = userBridgeService.getUserByPhoneNumber(user.getPhoneNumber());
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if (userOfPhoneNumber.getId()!=0) {
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return new Response<>().set(1, false, "手机号已存在");
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}
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//String password = URLDecoder.decode(user.getUpassword(), "utf-8");
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String password = user.getPwd();
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String[] dataArr = RSAUtil.decryptFront(password, RSAUtil.fontSeparator);
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String pwd = RSAUtil.encrypt(dataArr[0],RSAUtil.getPublicKey());
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user.setPwd(pwd);
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user.setCreateTime(new Date());
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int flag = userMapper.insert(user);
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if (flag > 0) {
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return new Response<>().set(1, true);
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} else {
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return new Response<>().set(1, false, "添加失败");
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}
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}
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/*public Response registerUser(User user){
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try {
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User userFound = userBridgeService.findPasswordByUserName(user.getName());
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if (userFound.getId() != 0) {
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return new Response<>().set(1, false, "用户名已存在");
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}
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User userOfMobilephone = userBridgeService.findUserByMobilephone(user.getPhoneNumber());
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if (userOfMobilephone.getId()!=0) {
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return new Response<>().set(1, false, "手机号已存在");
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}
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//String password = URLDecoder.decode(user.getUpassword(), "utf-8");
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String password = user.getPwd();
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String[] dataArr = RSAUtil.decryptFront(password, RSAUtil.fontSeparator);
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String pwd = RSAUtil.encrypt(dataArr[0],RSAUtil.getPublicKey());
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user.setPwd(pwd);
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int flag = userMapper.insert(user);
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if (flag > 0) {
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//添加成功,分配到默认初始化权限组
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return new Response<>().set(1, true,"注册成功");
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} else {
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return new Response<>().set(1, false, "注册失败");
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}
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}catch (Exception e){
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e.printStackTrace();
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return new Response<>().set(0);
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}
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}*/
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public User getById(int id) {
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User user = userMapper.selectById(id);
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user.setPwd((String) CommonUtil.objectNull);
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return user;
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}
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public List<User> getAll() {
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List<User> users = userMapper.selectList((Wrapper<User>) CommonUtil.objectNull);
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return users;
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}
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@Cacheable(value = "userPage")
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public Response getPage(int pageNum,int pageSize) {
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PageHelper.startPage(pageNum,pageSize);
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List<User> list = userMapper.selectList((Wrapper<User>) CommonUtil.objectNull);
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for (User user:list) {
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user.setPwd((String) CommonUtil.objectNull);
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}
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PageInfo<User> pageInfo = new PageInfo<>(list);
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return new Response().set(1,pageInfo,"查询成功");
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}
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@CacheEvict(value = "userPage",allEntries = true)
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public Response update(User user) {
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User userFound = userBridgeService.findPasswordByUserName(user.getName());
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User userOfPhoneNumber = userBridgeService.getUserByPhoneNumber(user.getPhoneNumber());
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if (userFound.getId() != 0 && !userFound.getId().equals(user.getId())) {
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return new Response().set(1,false,"用户名重复");
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}
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if( userOfPhoneNumber.getId()!=0 && !userFound.getId().equals(user.getId())){
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return new Response().set(1,false,"手机号重复");
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}
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user.setPwd(null);
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if(userMapper.updateById(user)>0){
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return new Response().set(1,true,"修改成功");
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}else{
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return new Response().set(1,false,"修改失败");
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}
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}
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// 将所有登陆的用户的信息存到application中
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public void setApplication(User user) {
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ServletContext application = CommonUtil.getApplication();
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//查看全局中存储的users的Map的key-value集合
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Map<String, UserClient> map = (Map) application.getAttribute("users");
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if (map == CommonUtil.objectNull) {
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map = new HashMap<String, UserClient>();
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} else {
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//如果集合中有值,则获取当前用户对应的用户信息,key为用户名username,Value为用户名,存储的时间
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UserClient client = map.get(user.getName());
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if (client != CommonUtil.objectNull) { //已存在
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map.remove(user.getName());
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}
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}
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Long login_time = new Date().getTime();
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CommonUtil.getSession().setAttribute("login_time", login_time);
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map.put(user.getName(), new UserClient(CommonUtil.getRequest().getRemoteAddr(),user,login_time));
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application.setAttribute("users", map);
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}
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public Response updatePasswordByRSA(User user, String newPwd){
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String[] dataArr = RSAUtil.decryptFrontP(newPwd, RSAUtil.fontSeparator);
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newPwd = dataArr[0];
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String passwordMD5 = dataArr[1];
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if(!CommonUtil.EncryptionMD5(newPwd).equals(passwordMD5)){
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throw new InvalidParameterException("参数校验失败");
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}
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String pwd = RSAUtil.encrypt(newPwd,RSAUtil.getPublicKey());
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user.setPwd(pwd);
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if (userMapper.updateById(user)>0){
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return new Response().set(1,true,"新密码修改成功");
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}else {
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return new Response().set(0,false,"新密码修改失败");
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}
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}
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}
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