Seckill Activity Service (seckill/SeckillActivityServiceImpl.java)

Implements seckill (flash sale) activity business logic including creation, querying, and validation of time-limited discount promotions. Reuse for managing flash sale campaigns in e-commerce systems.

// Source: https://github.com/YunaiV/yudao-cloud | License: MIT | Copyright 2021 yudao-cloud
// Provided via justclaw.it.com; keep this notice with the code.
package cn.iocoder.yudao.module.promotion.service.seckill;

import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.framework.common.util.date.LocalDateTimeUtils;
import cn.iocoder.yudao.module.product.api.sku.ProductSkuApi;
import cn.iocoder.yudao.module.product.api.sku.dto.ProductSkuRespDTO;
import cn.iocoder.yudao.module.product.api.spu.ProductSpuApi;
import cn.iocoder.yudao.module.product.api.spu.dto.ProductSpuRespDTO;
import cn.iocoder.yudao.module.promo

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