Merge remote-tracking branch 'origin/dev' into dev

lizijie

2021-03-18 f1c3c5f0b840df7fa5fe08a69186c9f2b52ce243

 screen-manage/src/main/java/com/moral/api/service/impl/ManageAccountServiceImpl.java

@@ -1,6 +1,7 @@
package com.moral.api.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.moral.api.entity.ManageAccount;
import com.moral.api.entity.ManageAccountRole;
@@ -10,18 +11,18 @@
import com.moral.api.mapper.ManageAccountRoleMapper;
import com.moral.api.mapper.ManageMenuMapper;
import com.moral.api.mapper.ManageRoleMapper;
import com.moral.api.pojo.dto.account.AccountDTO;
import com.moral.api.pojo.dto.account.AccountInsertDTO;
import com.moral.api.pojo.dto.account.AccountQueryDTO;
import com.moral.api.pojo.dto.account.AccountUpdateDTO;
import com.moral.api.pojo.dto.account.*;
import com.moral.api.pojo.dto.login.AccountInfoDTO;
import com.moral.api.pojo.dto.login.LoginDTO;
import com.moral.api.pojo.request.*;
import com.moral.api.pojo.form.*;
import com.moral.api.service.ManageAccountService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.moral.constant.Constants;
import com.moral.constant.ResponseCodeEnum;
import com.moral.util.AESUtils;
import com.moral.util.MD5Utils;
import com.moral.util.TokenUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
@@ -43,69 +44,67 @@
@Service
public class ManageAccountServiceImpl extends ServiceImpl<ManageAccountMapper, ManageAccount> implements ManageAccountService {

    @Value("${AES.KEY}")
    private String AESKey;
    @Resource

    @Autowired
    ManageAccountMapper manageAccountMapper;
    @Resource
    @Autowired
    ManageRoleMapper manageRoleMapper;
    @Resource
    @Autowired
    ManageMenuMapper manageMenuMapper;
    @Resource
    @Autowired
    ManageAccountRoleMapper manageAccountRoleMapper;

    public final static String specialCharRegEx = "[ _`~!@#$%^&*()+=|{}':;',\\[\\].<>/?~！@#￥%……&*（）——+|{}【】‘；：”“’。，、？]|\n|\r|\t";

    public final static String mobileRegEx = "^((13[0-9])|(14[0,1,4-9])|(15[0-3,5-9])|(16[2,5,6,7])|(17[0-8])|(18[0-9])|(19[0-3,5-9]))\\d{8}$";

    public final static String emailRegEx = "^\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*$";

    /**
     * @Description: 登陆
     * @Param: [parameters]
     * @return: java.util.Map<java.lang.String               ,               java.lang.Object>
     * @return: java.util.Map<java.lang.String                                                                                                                                                                                                                                                               ,                                                                                                                                                                                                                                                               java.lang.Object>
     * @Author: 陈凯裕
     * @Date: 2021/3/11
     */
    @Override
    public LoginDTO login(LoginRequest loginRequest) {
    public LoginDTO login(LoginForm loginForm) {
        LoginDTO loginDTO = new LoginDTO();
        //取参
        String AESAccount = loginRequest.getAccount();
        String AESPassword = loginRequest.getPassword();
        String account = loginForm.getAccount();
        String AESPassword = loginForm.getPassword();
        //解密
        String account = AESUtils.decrypt(AESAccount, AESKey);
        String password = AESUtils.decrypt(AESPassword, AESKey);
        String password = AESUtils.decrypt(AESPassword);
        //查询是否存在
        QueryWrapper<ManageAccount> wrapper = new QueryWrapper<>();
        wrapper.eq("account", account);
        ManageAccount manageAccount = manageAccountMapper.selectOne(wrapper);
        if (ObjectUtils.isEmpty(manageAccount)) {
            loginDTO.setCode(LoginDTO.NOT_EXIST);
        List<ManageAccount> manageAccounts = manageAccountMapper.selectList(wrapper);
        if (ObjectUtils.isEmpty(manageAccounts)) {
            loginDTO.setCode(ResponseCodeEnum.ACCOUNT_NOT_EXIST.getCode());
            loginDTO.setMsg(ResponseCodeEnum.ACCOUNT_NOT_EXIST.getMsg());
            return loginDTO;
        }
        //查询是否逻辑删除
        if (manageAccount.getIsDelete().equals("1")) {
            loginDTO.setCode(LoginDTO.IS_DELETE);
        ManageAccount manageAccount = null;
        for (ManageAccount value : manageAccounts) {
            if (Constants.NOT_DELETE.equals(value.getIsDelete()))
                manageAccount = value;
        }

        if (ObjectUtils.isEmpty(manageAccount)) {
            loginDTO.setCode(ResponseCodeEnum.ACCOUNT_IS_DELETE.getCode());
            loginDTO.setMsg(ResponseCodeEnum.ACCOUNT_NOT_EXIST.getMsg());
            return loginDTO;
        }
        //校验密码
        if (!MD5Utils.saltMD5Verify(password, manageAccount.getPassword())) {
            loginDTO.setCode(LoginDTO.PASSWORD_ERROR);
            loginDTO.setCode(ResponseCodeEnum.PASSWORD_ERROR.getCode());
            loginDTO.setMsg(ResponseCodeEnum.PASSWORD_ERROR.getMsg());
            return loginDTO;
        }

        //查询角色
        List<ManageRole> roles = manageRoleMapper.getManageRoleByAccountId(manageAccount.getId());
        if (ObjectUtils.isEmpty(roles)) {//判断账号是否存在角色
            loginDTO.setCode(LoginDTO.ROLE_EMPTY);
            return loginDTO;
        }

        //查询菜单
        List<ManageMenu> menus = manageMenuMapper.getParentChildrenMenusByRoles(roles);
        if (ObjectUtils.isEmpty(menus)) {//判断账号是否存在菜单
            loginDTO.setCode(LoginDTO.MENU_EMPTY);
            return loginDTO;
        List<ManageMenu> menus = null;
        if (!ObjectUtils.isEmpty(roles)) {
            menus = manageMenuMapper.getParentChildrenMenusByRoles(roles);
        }

        //封装用户信息
@@ -118,7 +117,8 @@
        String token = TokenUtils.getToken(String.valueOf(manageAccount.getId()), accountInfoDTO);

        //封装返回结果
        loginDTO.setCode(LoginDTO.SUCCESS);
        loginDTO.setCode(ResponseCodeEnum.SUCCESS.getCode());
        loginDTO.setMsg(ResponseCodeEnum.SUCCESS.getMsg());
        loginDTO.setAccountInfoDTO(accountInfoDTO);
        loginDTO.setToken(token);

@@ -128,14 +128,14 @@
    /**
     * @Description: 注销
     * @Param: [parameters]
     * @return: java.util.Map<java.lang.String               ,               java.lang.Object>
     * @return: java.util.Map<java.lang.String                                                                                                                                                                                                                                                               ,                                                                                                                                                                                                                                                               java.lang.Object>
     * @Author: 陈凯裕
     * @Date: 2021/3/11
     */
    @Override
    public boolean logout(LogoutRequest logoutRequest) {
        String accountId = logoutRequest.getAccountId();
        String token = logoutRequest.getToken();
    public boolean logout(LogoutForm logoutForm) {
        String accountId = logoutForm.getAccountId();
        String token = logoutForm.getToken();
        TokenUtils.destoryToken(accountId, token);
        return true;
    }
@@ -149,65 +149,30 @@
     */
    @Override
    @Transactional
    public AccountInsertDTO insertAccount(AccountInsertRequest accountInsertRequest) {
    public AccountInsertDTO insertAccount(AccountInsertForm accountInsertForm) {
        AccountInsertDTO accountInsertDTO = new AccountInsertDTO();
        //取参
        String AESAccount = accountInsertRequest.getAccount();
        String AESPassword = accountInsertRequest.getPassword();
        String account = AESUtils.decrypt(AESAccount, AESKey);
        String password = MD5Utils.saltMD5(AESUtils.decrypt(AESPassword, AESKey));
        String userName = accountInsertRequest.getUserName();
        String email = accountInsertRequest.getEmail();
        String mobile = accountInsertRequest.getMobile();
        String wechat = accountInsertRequest.getWechat();
        String isDelete = accountInsertRequest.getIsDelete();
        List<String> roleIdsStr = accountInsertRequest.getRoleIds();
        //校验参数是否符合业务逻辑
        /*判断用户名是否包含特殊字符*/
        if (isSpecialChar(account)) {
            accountInsertDTO.setCode(AccountInsertDTO.ACCOUNT_EXIST_SPECIAL_CHAR);
            return accountInsertDTO;
        }
        /*判断密码是否包含特殊字符*/
        if (isSpecialChar(password)) {
            accountInsertDTO.setCode(AccountInsertDTO.PASSWORD_EXIST_SPECIAL_CHAR);
            return accountInsertDTO;
        }
        /*判断用户名是否超过长度*/
        if (account.length() >= 20||account.length()<=6) {
            accountInsertDTO.setCode(AccountInsertDTO.ACCOUNT_LENGTH_INVALID);
            return accountInsertDTO;
        }
        /*判断密码是否超过长度*/
        if (AESUtils.decrypt(AESPassword, AESKey).length() >= 20||AESUtils.decrypt(AESPassword, AESKey).length() <= 6) {
            accountInsertDTO.setCode(AccountInsertDTO.PASSWORD_LENGTH_INVALID);
            return accountInsertDTO;
        }
        /*判断手机号是否符合规则*/
        if (!isValidMobile(mobile)) {
            accountInsertDTO.setCode(AccountInsertDTO.MOBILE_INVALID);
            return accountInsertDTO;
        }
        /*判断邮箱是否符合规则*/
        if (!isValidEmail(email)) {
            accountInsertDTO.setCode(AccountInsertDTO.EMAIL_INVALID);
            return accountInsertDTO;
        }
        /*判断用户名是否存在*/
        String account = accountInsertForm.getAccount();
        String AESPassword = accountInsertForm.getPassword();
        String password = MD5Utils.saltMD5(AESUtils.decrypt(AESPassword));
        String userName = accountInsertForm.getUserName();
        String email = accountInsertForm.getEmail();
        String mobile = accountInsertForm.getMobile();
        String wechat = accountInsertForm.getWechat();
        List<String> roleIdsStr = accountInsertForm.getRoleIds();

        /*判断账号是否存在*/
        ManageAccount exitAccount = new ManageAccount();
        exitAccount.setAccount(account);
        exitAccount.setIsDelete("0");
        exitAccount.setIsDelete(Constants.NOT_DELETE);
        QueryWrapper<ManageAccount> wrapper = new QueryWrapper<>();
        wrapper.setEntity(exitAccount);
        List<ManageAccount> exitAccounts = manageAccountMapper.selectList(wrapper);
        if (!ObjectUtils.isEmpty(exitAccounts)) {
            accountInsertDTO.setCode(AccountInsertDTO.ACCOUNT_EXIST);
            accountInsertDTO.setCode(ResponseCodeEnum.ACCOUNT_EXIST.getCode());
            accountInsertDTO.setMsg(ResponseCodeEnum.ACCOUNT_EXIST.getMsg());
            return accountInsertDTO;
        }

        //String to Integer
        List<Integer> roleIds = new ArrayList<>();
        roleIdsStr.forEach(str -> roleIds.add(Integer.parseInt(str)));

        //封装account
        ManageAccount manageAccount = new ManageAccount();
@@ -217,23 +182,31 @@
        manageAccount.setEmail(email);
        manageAccount.setMobile(mobile);
        manageAccount.setWechat(wechat);
        manageAccount.setIsDelete(isDelete);
        manageAccountMapper.insert(manageAccount);
        //封装account_role
        Integer accountId = manageAccount.getId();
        roleIdsStr.forEach(
                value -> {
                    ManageAccountRole manageAccountRole = new ManageAccountRole();
                    manageAccountRole.setAccountId(accountId);
                    manageAccountRole.setRoleId(Integer.parseInt(value));
                    manageAccountRoleMapper.insert(manageAccountRole);
                }
        );
        /*String to Integer*/
        List<ManageRole> roles = null;
        //如果新建账号没有分配角色则不进行操作
        if (!ObjectUtils.isEmpty(roleIdsStr)) {
            List<Integer> roleIds = new ArrayList<>();
            roleIdsStr.forEach(str -> roleIds.add(Integer.parseInt(str)));

            Integer accountId = manageAccount.getId();
            roleIdsStr.forEach(
                    value -> {
                        ManageAccountRole manageAccountRole = new ManageAccountRole();
                        manageAccountRole.setAccountId(accountId);
                        manageAccountRole.setRoleId(Integer.parseInt(value));
                        manageAccountRoleMapper.insert(manageAccountRole);
                    }
            );
            roles = manageRoleMapper.selectBatchIds(roleIds);
        }
        //封装返回结果
        List<ManageRole> roles = manageRoleMapper.selectBatchIds(roleIds);
        accountInsertDTO.setAccount(manageAccount);
        accountInsertDTO.setRoles(roles);
        accountInsertDTO.setCode(AccountInsertDTO.SUCCESS);
        accountInsertDTO.setCode(ResponseCodeEnum.SUCCESS.getCode());
        accountInsertDTO.setMsg(ResponseCodeEnum.SUCCESS.getMsg());
        return accountInsertDTO;
    }

@@ -245,42 +218,63 @@
     * @Date: 2021/3/15
     */
    @Override
    public AccountQueryDTO queryAccount(AccountQueryRequest accountQueryRequest) {
    public AccountQueryDTO queryAccount(AccountQueryForm accountQueryForm) {
        AccountQueryDTO accountQueryDTO = new AccountQueryDTO();
        //取参
        Integer pageCount = accountQueryRequest.getPage();
        Integer size = accountQueryRequest.getSize();
        Integer accountId = accountQueryRequest.getAccountId();
        String account = accountQueryRequest.getAccount();
        String userName = accountQueryRequest.getUserName();
        String email = accountQueryRequest.getEmail();
        String mobile = accountQueryRequest.getMobile();
        String wechat = accountQueryRequest.getWechat();
        String isDelete = accountQueryRequest.getIsDelete();
        //封装查询参数
        Map<String, Object> queryParams = new HashMap<>();
        queryParams.put("id", accountId);
        queryParams.put("account", account);
        queryParams.put("user_name", userName);
        queryParams.put("email", email);
        queryParams.put("mobile", mobile);
        queryParams.put("wechat", wechat);
        queryParams.put("is_delete", isDelete);
        queryParams.values().removeIf(value -> ObjectUtils.isEmpty(value));
        Integer pageCount = accountQueryForm.getPage();
        Integer size = accountQueryForm.getSize();
        Integer accountId = accountQueryForm.getAccountId();
        String account = accountQueryForm.getAccount();
        String userName = accountQueryForm.getUserName();
        String email = accountQueryForm.getEmail();
        String mobile = accountQueryForm.getMobile();
        String wechat = accountQueryForm.getWechat();
        String isDelete = accountQueryForm.getIsDelete();

        //查询用户
        Page<ManageAccount> page = new Page<>(pageCount, size);
        QueryWrapper<ManageAccount> wrapper = new QueryWrapper();
        wrapper.allEq(queryParams);
        if(!ObjectUtils.isEmpty(accountId)){
            wrapper.eq("id",accountId);
        }

        if(!ObjectUtils.isEmpty(userName)){
            wrapper.like("user_name",userName);
        }

        if(!ObjectUtils.isEmpty(account)){
            wrapper.like("account",account);
        }

        if(!ObjectUtils.isEmpty(email)){
            wrapper.like("email",email);
        }

        if(!ObjectUtils.isEmpty(mobile)){
            wrapper.like("mobile",mobile);
        }

        if(!ObjectUtils.isEmpty(wechat)){
            wrapper.like("wechat",wechat);
        }

        if (!ObjectUtils.isEmpty(isDelete))
            wrapper.eq("is_delete", isDelete);
        else
            wrapper.eq("is_delete", Constants.NOT_DELETE);

        Page resultPage = manageAccountMapper.selectPage(page, wrapper);
        //查询用户对应的角色
        List<ManageAccount> accounts = resultPage.getRecords();
        List<AccountDTO> accountDTOS = new ArrayList<>();
        for (ManageAccount manageAccount : accounts) {
            AccountDTO accountDTO = new AccountDTO();
            List<ManageRole> roles = manageRoleMapper.getManageRoleByAccountId(manageAccount.getId());
            accountDTO.setRoles(roles);
            accountDTO.setAccount(manageAccount);
            accountDTOS.add(accountDTO);
        if (!ObjectUtils.isEmpty(accounts)) {
            for (ManageAccount manageAccount : accounts) {
                AccountDTO accountDTO = new AccountDTO();
                List<ManageRole> roles = manageRoleMapper.getManageRoleByAccountId(manageAccount.getId());
                accountDTO.setRoles(roles);
                accountDTO.setAccount(manageAccount);
                accountDTOS.add(accountDTO);
            }
        }
        //封装返回结果
        accountQueryDTO.setAccountDTOS(accountDTOS);
@@ -288,42 +282,41 @@
        accountQueryDTO.setPages(resultPage.getPages());
        accountQueryDTO.setSize(resultPage.getSize());
        accountQueryDTO.setTotal(resultPage.getTotal());
        accountQueryDTO.setCode(ResponseCodeEnum.SUCCESS.getCode());
        accountQueryDTO.setMsg(ResponseCodeEnum.SUCCESS.getMsg());

        return accountQueryDTO;
    }

    /**
     * @Description: 更新后台账号
     * @Param: [accountUpdateRequest]
     * @return: com.moral.api.pojo.dto.account.AccountUpdateDTO
     * @Author: 陈凯裕
     * @Date: 2021/3/16
     */
    @Override
    @Transactional
    public AccountUpdateDTO updateAccount(AccountUpdateRequest accountUpdateRequest) {
    public AccountUpdateDTO updateAccount(AccountUpdateForm accountUpdateForm) {
        AccountUpdateDTO accountUpdateDTO = new AccountUpdateDTO();
        //取参
        Integer accountId = accountUpdateRequest.getAccountId();
        String email = accountUpdateRequest.getEmail();
        String mobile = accountUpdateRequest.getMobile();
        String wechat = accountUpdateRequest.getWechat();
        String isDelete = accountUpdateRequest.getIsDelete();
        String userName = accountUpdateRequest.getUserName();
        List<Integer> roleIds = accountUpdateRequest.getRoleIds();
        Integer accountId = accountUpdateForm.getAccountId();
        String email = accountUpdateForm.getEmail();
        String mobile = accountUpdateForm.getMobile();
        String wechat = accountUpdateForm.getWechat();
        String userName = accountUpdateForm.getUserName();
        List<Integer> roleIds = accountUpdateForm.getRoleIds();
        //校验参数是否符合逻辑
        /*判断要更新的用户是否存在*/
        QueryWrapper<ManageAccount> exitWrapper = new QueryWrapper<>();
        ManageAccount exitManageAccount = new ManageAccount();
        exitManageAccount.setId(accountId);
        exitManageAccount.setIsDelete("0");
        exitManageAccount.setIsDelete(Constants.NOT_DELETE);
        exitWrapper.setEntity(exitManageAccount);
        List<ManageAccount> manageAccounts = manageAccountMapper.selectList(exitWrapper);
        if(ObjectUtils.isEmpty(manageAccounts)){
            accountUpdateDTO.setCode(AccountUpdateDTO.ACCOUNT_NOT_EXIST);
            return accountUpdateDTO;
        }
        /*判断手机号是否符合规则*/
        if (!isValidMobile(mobile)) {
            accountUpdateDTO.setCode(AccountUpdateDTO.MOBILE_INVALID);
            return accountUpdateDTO;
        }
        /*判断邮箱是否符合规则*/
        if (!isValidEmail(email)) {
            accountUpdateDTO.setCode(AccountUpdateDTO.EMAIL_INVALID);
        if (ObjectUtils.isEmpty(manageAccounts)) {
            accountUpdateDTO.setCode(ResponseCodeEnum.ACCOUNT_NOT_EXIST.getCode());
            accountUpdateDTO.setMsg(ResponseCodeEnum.ACCOUNT_NOT_EXIST.getMsg());
            return accountUpdateDTO;
        }
        //更新ManageAccount表
@@ -331,15 +324,14 @@
        manageAccount.setEmail(email);
        manageAccount.setMobile(mobile);
        manageAccount.setWechat(wechat);
        manageAccount.setIsDelete(isDelete);
        manageAccount.setUserName(userName);
        QueryWrapper<ManageAccount> wrapper = new QueryWrapper<>();
        wrapper.eq("id",accountId);
        manageAccountMapper.update(manageAccount,wrapper);
        wrapper.eq("id", accountId);
        manageAccountMapper.update(manageAccount, wrapper);
        //更新ManageAccountRole表
        /*删除该用户的所有角色*/
        QueryWrapper<ManageAccountRole> deleteWrapper = new QueryWrapper<>();
        deleteWrapper.eq("account_id",accountId);
        deleteWrapper.eq("account_id", accountId);
        manageAccountRoleMapper.delete(deleteWrapper);
        /*重新添加角色*/
        for (Integer roleId : roleIds) {
@@ -351,33 +343,56 @@
        //获取用户所有角色
        List<ManageRole> manageRoles = manageRoleMapper.selectBatchIds(roleIds);
        //封装返回结果
        accountUpdateDTO.setCode(AccountUpdateDTO.SUCCESS);
        accountUpdateDTO.setCode(ResponseCodeEnum.SUCCESS.getCode());
        accountUpdateDTO.setMsg(ResponseCodeEnum.SUCCESS.getMsg());
        accountUpdateDTO.setRoles(manageRoles);
        accountUpdateDTO.setAccount(manageAccountMapper.selectById(accountId));
        return accountUpdateDTO;
    }





    private static boolean isSpecialChar(String str) {
        Pattern pattern = Pattern.compile(specialCharRegEx);
        Matcher matcher = pattern.matcher(str);
        return matcher.find();
    /**
     * @Description: 删除后台账号
     * @Param: [accountDeleteRequest]
     * @return: com.moral.api.pojo.dto.account.AccountDeleteDTO
     * @Author: 陈凯裕
     * @Date: 2021/3/16
     */
    @Override
    @Transactional
    public AccountDeleteDTO deleteAccount(AccountDeleteForm accountDeleteForm) {
        AccountDeleteDTO accountDeleteDTO = new AccountDeleteDTO();
        //取参
        Integer accountId = accountDeleteForm.getAccountId();
        //查询是否存在
        ManageAccount manageAccount = new ManageAccount();
        manageAccount.setIsDelete(Constants.NOT_DELETE);
        manageAccount.setId(accountId);
        QueryWrapper<ManageAccount> queryWrapper = new QueryWrapper<>();
        queryWrapper.setEntity(manageAccount);
        ManageAccount existManageAccount = manageAccount.selectOne(queryWrapper);
        if (ObjectUtils.isEmpty(existManageAccount)) {
            accountDeleteDTO.setCode(ResponseCodeEnum.ACCOUNT_NOT_EXIST.getCode());
            accountDeleteDTO.setMsg(ResponseCodeEnum.ACCOUNT_NOT_EXIST.getMsg());
            return accountDeleteDTO;
        }
        //逻辑删除账号
        existManageAccount.setIsDelete(Constants.DELETE);
        UpdateWrapper<ManageAccount> deleteAccountWrapper = new UpdateWrapper<>();
        deleteAccountWrapper.set("is_delete", Constants.DELETE).eq("id", manageAccount.getId());
        manageAccountMapper.update(null, deleteAccountWrapper);
        //逻辑删除账号相关角色
        UpdateWrapper<ManageAccountRole> deleteManageAccountRoleWrapper = new UpdateWrapper<>();
        deleteManageAccountRoleWrapper.set("is_delete", Constants.DELETE).eq("account_id", manageAccount.getId());
        manageAccountRoleMapper.update(null, deleteManageAccountRoleWrapper);
        //封装返回结果
        accountDeleteDTO.setCode(ResponseCodeEnum.SUCCESS.getCode());
        accountDeleteDTO.setMsg(ResponseCodeEnum.SUCCESS.getMsg());
        accountDeleteDTO.setAccount(existManageAccount);
        return accountDeleteDTO;
    }

    private static boolean isValidMobile(String str) {
        Pattern pattern = Pattern.compile(mobileRegEx);
        Matcher matcher = pattern.matcher(str);
        return matcher.find();
    }

    private static boolean isValidEmail(String str) {
        Pattern pattern = Pattern.compile(emailRegEx);
        Matcher matcher = pattern.matcher(str);
        return matcher.find();
    }


}