package com.xiaopeng.account.controller;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.xiaopeng.account.model.dto.ReceiveCouponDto;
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import com.xiaopeng.account.model.query.XpUserCouponListQuery;
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import com.xiaopeng.account.model.vo.XpAppUserCouponListVo;
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import com.xiaopeng.account.model.vo.XpAppUserCouponTotalVo;
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import com.xiaopeng.account.model.vo.XpAppUserCouponVo;
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import com.xiaopeng.account.service.IXpAppUserCouponService;
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import com.xiaopeng.api.dto.account.GetUserCouponDto;
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import com.xiaopeng.api.feignClient.operation.XpOpenCityClient;
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import com.xiaopeng.api.model.account.XpAppUserCoupon;
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import com.xiaopeng.api.vo.account.UserCouponVo;
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import com.xiaopeng.common.core.domain.R;
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import com.xiaopeng.unifiedverification.interceptor.XpClientCheck;
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import io.swagger.annotations.ApiOperation;
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import org.springframework.web.bind.annotation.*;
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import org.springframework.stereotype.Controller;
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import javax.servlet.http.HttpServletRequest;
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import java.util.Arrays;
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import java.util.Comparator;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* <p>
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* 用户优惠券 前端控制器
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* </p>
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*
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* @author mitao
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* @since 2026-02-03
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*/
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@RestController
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@RequestMapping("")
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public class XpAppUserCouponController {
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private final IXpAppUserCouponService xpAppUserCouponService;
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private final XpOpenCityClient xpOpenCityClient;
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public XpAppUserCouponController(IXpAppUserCouponService xpAppUserCouponService, XpOpenCityClient xpOpenCityClient) {
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this.xpAppUserCouponService = xpAppUserCouponService;
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this.xpOpenCityClient = xpOpenCityClient;
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}
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@PostMapping("/inner/appUserCoupon/getUserCoupon")
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public R<UserCouponVo> getUserCoupon(@RequestBody GetUserCouponDto dto) {
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UserCouponVo userCouponVo = new UserCouponVo();
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// 获取用户所有优惠券
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List<XpAppUserCoupon> couponList = xpAppUserCouponService.list(new LambdaQueryWrapper<XpAppUserCoupon>().eq(XpAppUserCoupon::getStatus, 1).eq(XpAppUserCoupon::getAppUserId, dto.getUserId()).apply("FIND_IN_SET({0}, open_city_id)", dto.getOpenCityId()) );
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if(couponList.isEmpty()){
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return R.ok(userCouponVo);
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}
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// 计算使用时间规则
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couponList = xpAppUserCouponService.timeRule(couponList);
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if(couponList.isEmpty()){
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return R.ok(userCouponVo);
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}
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// 优先用满足条件且抵扣金额最大的
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List<XpAppUserCoupon> discountUserCoupons = couponList.stream().filter(e -> e.getCouponType() == 1).sorted(Comparator.comparing(XpAppUserCoupon::getMoney).reversed()).collect(Collectors.toList());
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if(!discountUserCoupons.isEmpty()){
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userCouponVo.setId(discountUserCoupons.get(0).getId());
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userCouponVo.setMoney(discountUserCoupons.get(0).getMoney().doubleValue());
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return R.ok(userCouponVo);
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}
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List<XpAppUserCoupon> fullUserCoupons = couponList.stream().filter(e -> e.getCouponType() == 2 && e.getFullMoney().doubleValue()>dto.getTotalAmount()).sorted(Comparator.comparing(XpAppUserCoupon::getMoney).reversed()).collect(Collectors.toList());
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if(!fullUserCoupons.isEmpty()){
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userCouponVo.setId(fullUserCoupons.get(0).getId());
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userCouponVo.setMoney(fullUserCoupons.get(0).getMoney().doubleValue());
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return R.ok(userCouponVo);
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}
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return R.ok(userCouponVo);
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}
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/**
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* 获取优惠券列表
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*/
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@PostMapping("/api/v1/coupon/list")
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@ApiOperation(value = "获取用户获取优惠券列表", tags = {"小程序-获取用户获取优惠券列表"})
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@XpClientCheck(checkToken = false, checkOtpToken = true)
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public R<XpAppUserCouponVo> list(@RequestBody XpUserCouponListQuery query, HttpServletRequest request) {
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// uid已通过拦截器otp校验，可以直接使用
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String uid = request.getHeader("XP-Uid");
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XpAppUserCouponVo vo = xpAppUserCouponService.userCouponList(query, uid);
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return R.ok(vo);
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}
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/**
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* 领取优惠券
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*/
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@PostMapping("/api/v1/coupon/receive")
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@ApiOperation(value = "领取优惠券", tags = {"小程序-领取优惠券"})
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@XpClientCheck(checkToken = false, checkOtpToken = true)
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public R<String> receive(@RequestBody ReceiveCouponDto dto, HttpServletRequest request) {
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// uid已通过拦截器otp校验，可以直接使用
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String uid = request.getHeader("XP-Uid");
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boolean result = xpAppUserCouponService.receive(dto,uid);
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if(result){
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return R.ok();
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}
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return R.fail();
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}
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/**
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* 获取优惠券详情
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*/
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@GetMapping("/api/v1/coupon/detail/{couponId}")
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@ApiOperation(value = "获取用户获取优惠券详情", tags = {"小程序-获取用户获取优惠券详情"})
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@XpClientCheck(checkToken = false, checkOtpToken = true)
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public R<XpAppUserCouponListVo> detail(@PathVariable("couponId") Long couponId, HttpServletRequest request) {
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// uid已通过拦截器otp校验，可以直接使用
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String uid = request.getHeader("XP-Uid");
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XpAppUserCoupon coupon = xpAppUserCouponService.getById(couponId);
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if(uid.equals(coupon.getAppUserId().toString())){
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XpAppUserCouponListVo vo = new XpAppUserCouponListVo();
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vo.setCouponId(coupon.getId().toString());
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vo.setTitle(coupon.getCouponName());
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vo.setExpireTime(coupon.getExpirationTime());
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if("0".equals(vo.getCouponId())){
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vo.setApplicableCities(Arrays.asList("不限"));
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}else {
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R<List<String>> r = xpOpenCityClient.pageList(coupon.getOpenCityId());
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if(r.getCode()==200){
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vo.setApplicableCities(r.getData());
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}
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}
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return R.ok(vo);
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}
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return R.ok(null);
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}
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/**
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* 获取优惠券列表total
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*/
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@GetMapping("/api/v1/coupon/total")
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@ApiOperation(value = "获取用户获取优惠券数量", tags = {"小程序-获取用户获取优惠券数量"})
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@XpClientCheck(checkToken = false, checkOtpToken = true)
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public R<XpAppUserCouponTotalVo> total(HttpServletRequest request) {
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// uid已通过拦截器otp校验，可以直接使用
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String uid = request.getHeader("XP-Uid");
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XpAppUserCouponTotalVo vo = xpAppUserCouponService.userCouponTotal(uid);
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return R.ok(vo);
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}
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}
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