package com.supersavedriving.user.modular.system.service.impl;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONObject;
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import com.baomidou.mybatisplus.mapper.EntityWrapper;
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import com.baomidou.mybatisplus.service.impl.ServiceImpl;
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import com.supersavedriving.user.core.common.constant.JwtConstants;
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import com.supersavedriving.user.core.shiro.ShiroKit;
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import com.supersavedriving.user.core.shiro.ShiroUser;
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import com.supersavedriving.user.core.util.JwtTokenUtil;
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import com.supersavedriving.user.core.util.ToolUtil;
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import com.supersavedriving.user.modular.system.dao.AppUserMapper;
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import com.supersavedriving.user.modular.system.model.AppUser;
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import com.supersavedriving.user.modular.system.model.Coupon;
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import com.supersavedriving.user.modular.system.model.UserToCoupon;
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import com.supersavedriving.user.modular.system.service.IAppUserService;
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import com.supersavedriving.user.modular.system.service.ICouponService;
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import com.supersavedriving.user.modular.system.service.IUserToCouponService;
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import com.supersavedriving.user.modular.system.util.RedisUtil;
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import com.supersavedriving.user.modular.system.util.ResultUtil;
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import com.supersavedriving.user.modular.system.util.weChat.WXCore;
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import com.supersavedriving.user.modular.system.util.weChat.WeChatUtil;
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import com.supersavedriving.user.modular.system.util.weChat.model.Code2Session;
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import com.supersavedriving.user.modular.system.warpper.CouponWarpper;
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import com.supersavedriving.user.modular.system.warpper.SignInToRegister;
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import com.supersavedriving.user.modular.system.warpper.SignInToRegisterWarpper;
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import org.apache.shiro.authc.SimpleAuthenticationInfo;
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import org.apache.shiro.authc.UsernamePasswordToken;
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import org.apache.shiro.authc.credential.HashedCredentialsMatcher;
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import org.apache.shiro.crypto.hash.Md5Hash;
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import org.apache.shiro.util.ByteSource;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.web.context.request.RequestContextHolder;
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import org.springframework.web.context.request.ServletRequestAttributes;
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import javax.servlet.http.HttpServletRequest;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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/**
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* 用户
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*/
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@Service
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public class AppUserServiceImpl extends ServiceImpl<AppUserMapper, AppUser> implements IAppUserService {
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@Autowired
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private WeChatUtil weChatUtil;
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@Autowired
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private RedisUtil redisUtil;
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private final String salt = "s5d1";
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@Autowired
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private ICouponService couponService;
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@Autowired
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private IUserToCouponService userToCouponService;
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@Override
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public ResultUtil<String> appUserLogin(String jscode) throws Exception {
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Code2Session code2Session = weChatUtil.code2Session(jscode);
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if(null != code2Session.getErrcode() && code2Session.getErrcode() != 0){
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return ResultUtil.error(code2Session.getErrmsg());
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}
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String openid = code2Session.getOpenid();
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AppUser appUser = this.selectOne(new EntityWrapper<AppUser>().eq("openid", openid).ne("status", 3));
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if(null == appUser){
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return ResultUtil.error("无效的账号");
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}
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if(appUser.getStatus() == 2){
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return ResultUtil.error("账号被冻结");
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}
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String token = getToken(appUser);
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if(ToolUtil.isEmpty(token)){
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return ResultUtil.error("获取身份凭证失败");
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}
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return ResultUtil.success(token);
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}
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/**
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* 获取身份凭证
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* @return
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*/
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public String getToken(AppUser appUser){
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//封装请求账号密码为shiro可验证的token
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String phone = appUser.getPhone();
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UsernamePasswordToken usernamePasswordToken = new UsernamePasswordToken(phone, phone.toCharArray());
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String credentials = ShiroKit.md5(phone, salt);
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ByteSource credentialsSalt = new Md5Hash(salt);
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SimpleAuthenticationInfo simpleAuthenticationInfo = new SimpleAuthenticationInfo(
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new ShiroUser(), credentials, credentialsSalt, "");
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//校验用户账号密码
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HashedCredentialsMatcher md5CredentialsMatcher = new HashedCredentialsMatcher();
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md5CredentialsMatcher.setHashAlgorithmName(ShiroKit.hashAlgorithmName);
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md5CredentialsMatcher.setHashIterations(ShiroKit.hashIterations);
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boolean passwordTrueFlag = md5CredentialsMatcher.doCredentialsMatch(
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usernamePasswordToken, simpleAuthenticationInfo);
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if (passwordTrueFlag) {
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String token = JwtTokenUtil.generateToken(phone);
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String key = token;
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if(token.length() > 16){
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key = token.substring(token.length() - 16);
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}
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redisUtil.setStrValue(key, appUser.getId().toString(), 7 * 24 * 60 * 60);
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return token;
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}
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return null;
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}
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/**
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* 微信授权注册登录
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* @param signInToRegister
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* @return
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* @throws Exception
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*/
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@Override
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public ResultUtil<SignInToRegisterWarpper> signInToRegister(SignInToRegister signInToRegister) throws Exception {
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SignInToRegisterWarpper warpper = new SignInToRegisterWarpper();
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if(ToolUtil.isEmpty(signInToRegister.getJscode())){
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return ResultUtil.paranErr("jscode");
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}
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if(ToolUtil.isEmpty(signInToRegister.getEncryptedDataPhone())){
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return ResultUtil.paranErr("encryptedDataPhone");
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}
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if(ToolUtil.isEmpty(signInToRegister.getIvPhone())){
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return ResultUtil.paranErr("ivPhone");
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}
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Code2Session code2Session = weChatUtil.code2Session(signInToRegister.getJscode());
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if(null != code2Session.getErrcode() && code2Session.getErrcode() != 0){
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return ResultUtil.error(code2Session.getErrmsg());
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}
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String openid = code2Session.getOpenid();
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String session_key = code2Session.getSession_key();
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String decrypt = WXCore.decrypt(signInToRegister.getEncryptedDataPhone(), session_key, signInToRegister.getIvPhone());
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if(ToolUtil.isEmpty(decrypt)){
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return ResultUtil.error("获取手机号失败");
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}
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JSONObject phone = JSON.parseObject(decrypt);
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String purePhoneNumber = phone.getString("purePhoneNumber");
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AppUser appUser = this.selectOne(new EntityWrapper<AppUser>().eq("phone", purePhoneNumber).ne("status", 3));
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if(null == appUser){
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appUser = new AppUser();
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appUser.setNickname("亲爱的用户");
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appUser.setPhone(purePhoneNumber);
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appUser.setOpenid(openid);
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appUser.setUnionid(code2Session.getUnionid());
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appUser.setAccountBalance(0D);
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appUser.setStatus(1);
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appUser.setCreateTime(new Date());
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appUser.setIsException(1);
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appUser.setInviterId(signInToRegister.getInviterId());
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appUser.setInviterType(signInToRegister.getInviterType());
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this.insert(appUser);
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//发送优惠券
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boolean lock = redisUtil.lock();
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if(lock){
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List<CouponWarpper> list = pushCoupon(appUser.getId());
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redisUtil.unlock();
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warpper.setCoupons(list);
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}
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}
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if(appUser.getStatus() == 2){
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return ResultUtil.error("账号被冻结");
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}
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String token = getToken(appUser);
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if(ToolUtil.isEmpty(token)){
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return ResultUtil.error("获取身份凭证失败");
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}
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warpper.setToken(token);
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return ResultUtil.success(warpper);
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}
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/**
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* 发送优惠券
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* @param userId
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*/
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public List<CouponWarpper> pushCoupon(Integer userId){
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List<Coupon> coupons = couponService.selectList(new EntityWrapper<Coupon>().eq("coupon_type", 2).eq("coupon_state", 1).gt("remaining_quantity", 0));
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List<CouponWarpper> list = new ArrayList<>();
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for (Coupon coupon : coupons) {
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UserToCoupon userToCoupon = new UserToCoupon();
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userToCoupon.setCouponId(coupon.getId());
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userToCoupon.setCreateTime(new Date());
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userToCoupon.setUserId(userId);
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userToCoupon.setStatus(1);
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userToCoupon.setCouponTotal(coupon.getCouponSendQuantity() > coupon.getRemainingQuantity() ?
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coupon.getRemainingQuantity() : coupon.getCouponSendQuantity());
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userToCoupon.setValidCount(userToCoupon.getCouponTotal());
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userToCoupon.setExpireTime(new Date(System.currentTimeMillis() + (coupon.getCouponValidity() * 24 * 60 * 60 * 1000)));
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userToCouponService.insert(userToCoupon);
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coupon.setRemainingQuantity(coupon.getCouponSendQuantity() > coupon.getRemainingQuantity() ? 0 :
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coupon.getRemainingQuantity() - coupon.getCouponSendQuantity());
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couponService.updateById(coupon);
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CouponWarpper couponWarpper = new CouponWarpper();
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couponWarpper.setCouponConditionalAmount(coupon.getCouponConditionalAmount());
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couponWarpper.setCouponPreferentialAmount(coupon.getCouponPreferentialAmount());
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couponWarpper.setCouponName(coupon.getCouponName());
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couponWarpper.setNumber(userToCoupon.getValidCount());
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couponWarpper.setExpirationDate(userToCoupon.getExpireTime().getTime());
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list.add(couponWarpper);
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}
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return list;
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}
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@Override
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public Integer getUserByRequest() throws Exception {
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ServletRequestAttributes servletRequestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
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HttpServletRequest request = servletRequestAttributes.getRequest();
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String requestHeader = request.getHeader(JwtConstants.AUTH_HEADER);
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if (ToolUtil.isNotEmpty(requestHeader) && requestHeader.startsWith("Bearer ")) {
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requestHeader = requestHeader.substring(requestHeader.indexOf(" ") + 1);
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String key = null;
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int length = requestHeader.length();
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if(length > 16){
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key = requestHeader.substring(length - 16);
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}else{
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key = requestHeader;
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}
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String value = redisUtil.getValue(key);
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return null != value ? Integer.valueOf(value) : null;
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}else{
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return null;
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}
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}
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}
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