开发优惠券发放逻辑

puzhibing

2026-04-30 1ee6637e101e539b7e327c779087d81de9d8b129

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package com.xiaopeng.api.factory.account;
 
import com.xiaopeng.api.dto.account.GetUserCouponDto;
import com.xiaopeng.api.dto.account.UseUserCouponDto;
import com.xiaopeng.api.dto.statistics.StatisticsQueryDTO;
import com.xiaopeng.api.dto.statistics.UserStatisticsDTO;
import com.xiaopeng.api.feignClient.account.XpAppUserClient;
import com.xiaopeng.api.feignClient.account.XpAppUserCouponClient;
import com.xiaopeng.api.model.account.XpAppUserCoupon;
import com.xiaopeng.api.vo.account.CalculateDiscountAmountVo;
import com.xiaopeng.api.vo.account.UserCouponVo;
import com.xiaopeng.common.core.domain.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.openfeign.FallbackFactory;
import org.springframework.stereotype.Component;
 
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;
 
/**
 * 小程序用户Feign客户端降级工厂
 *
 * @author mitao
 */
@Slf4j
@Component
public class XpAppUserCouponClientFallbackFactory implements FallbackFactory<XpAppUserCouponClient> {
 
    @Override
    public XpAppUserCouponClient create(Throwable cause) {
        log.error("用户优惠券服务调用失败: {}", cause.getMessage());
        return new XpAppUserCouponClient() {
            @Override
            public R<UserCouponVo> getUserCoupon(GetUserCouponDto dto) {
                UserCouponVo userCouponVo = new UserCouponVo();
                return R.ok(userCouponVo);
            }
 
            @Override
            public R useUserCoupon(UseUserCouponDto dto) {
                log.error("优惠券使用失败，原因: {}", cause.getMessage());
                return R.fail("优惠券使用失败，"+cause.getMessage());
            }
 
            @Override
            public R<BigDecimal> backUserCoupon(UseUserCouponDto dto) {
                log.error("优惠券退回失败，原因: {}", cause.getMessage());
                return null;
            }
 
            @Override
            public boolean isHolding(Long id) {
                log.error("优惠券服务繁忙，原因: {}", cause.getMessage());
                return false;
            }
 
            @Override
            public R<String> saveInfo_activity(UseUserCouponDto dto) {
                log.error("优惠券服务繁忙，原因: {}", cause.getMessage());
                return null;
            }
 
            @Override
            public R<List<XpAppUserCoupon>> getXpAppUserCoupon(Long activityId) {
                log.error("获取用户活动领取的优惠券失败，原因: {}", cause.getMessage());
                return R.fail("获取用户活动领取的优惠券失败，原因: "+cause.getMessage());
            }
 
            @Override
            public R<BigDecimal> calculateDiscountAmount(CalculateDiscountAmountVo vo) {
                log.error("计算优惠金额失败，原因: {}", cause.getMessage());
                return R.fail("计算优惠金额失败");
            }
 
            @Override
            public R<?> saveBatch(List<XpAppUserCoupon> xpAppUserCoupons) {
                return R.fail("批量保存数据失败");
            }
        };
    }
}