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feat(pricing): 添加一口价购买功能
- 新增 OnePricePurchaseController 控制器 - 新增 OnePriceConfigFilterRequest、OnePriceConfigRequest、OnePriceInfo等 DTO 类 - 新增 PriceOnePriceConfig 实体类和对应的 Mapper 接口 - 实现 OnePricePurchaseDiscountProvider 优惠提供者 - 实现 OnePricePurchaseServiceImpl 服务实现类 -定义 IOnePricePurchaseService服务接口 - 优化 DiscountDetail 类，添加创建一口价折扣的方法 - 修改 CLAUDE.md，将 error 方法改为 fail 方法
This commit is contained in:
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package com.ycwl.basic.pricing.service;
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import com.github.pagehelper.PageInfo;
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import com.ycwl.basic.pricing.dto.OnePriceConfigFilterRequest;
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import com.ycwl.basic.pricing.dto.OnePriceInfo;
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import com.ycwl.basic.pricing.entity.PriceOnePriceConfig;
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import java.math.BigDecimal;
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import java.util.List;
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/**
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* 一口价购买服务接口
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* 一口价：特定景区内所有商品的统一优惠价格
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*/
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public interface IOnePricePurchaseService {
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/**
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* 检查指定景区是否适用一口价
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*
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* @param scenicId 景区ID
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* @return 是否适用
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*/
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boolean isOnePriceApplicable(Long scenicId);
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/**
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* 获取指定景区的一口价信息
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*
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* @param scenicId 景区ID
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* @param currentAmount 当前总金额（用于计算优惠）
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* @return 一口价信息，如果不适用则返回null
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*/
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OnePriceInfo getOnePriceInfo(Long scenicId, BigDecimal currentAmount);
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/**
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* 获取所有启用的一口价配置
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*
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* @return 一口价配置列表
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*/
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List<PriceOnePriceConfig> getActiveConfigs();
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/**
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* 根据景区查询启用的一口价配置
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*
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* @param scenicId 景区ID
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* @return 一口价配置列表
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*/
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List<PriceOnePriceConfig> getActiveConfigsByScenic(Long scenicId);
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// ==================== 管理端接口 ====================
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/**
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* 创建一口价配置
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*
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* @param config 配置信息
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* @return 配置ID
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*/
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Long createConfig(PriceOnePriceConfig config);
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/**
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* 更新一口价配置
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*
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* @param config 配置信息
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* @return 是否更新成功
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*/
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boolean updateConfig(PriceOnePriceConfig config);
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/**
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* 删除一口价配置
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*
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* @param id 配置ID
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* @return 是否删除成功
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*/
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boolean deleteConfig(Long id);
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/**
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* 启用/禁用一口价配置
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*
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* @param id 配置ID
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* @param isActive 是否启用
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* @return 是否操作成功
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*/
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boolean updateConfigStatus(Long id, Boolean isActive);
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/**
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* 根据ID查询配置
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*
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* @param id 配置ID
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* @return 配置信息
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*/
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PriceOnePriceConfig getConfigById(Long id);
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/**
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* 分页查询一口价配置
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*
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* @param request 筛选请求参数
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* @return 分页结果
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*/
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PageInfo<PriceOnePriceConfig> pageConfigs(OnePriceConfigFilterRequest request);
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/**
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* 查询所有配置（包含禁用的）- 管理端使用
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*
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* @return 配置列表
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*/
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List<PriceOnePriceConfig> getAllConfigsForAdmin();
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}
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package com.ycwl.basic.pricing.service.impl;
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import com.ycwl.basic.pricing.dto.DiscountDetectionContext;
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import com.ycwl.basic.pricing.dto.DiscountInfo;
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import com.ycwl.basic.pricing.dto.DiscountResult;
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import com.ycwl.basic.pricing.dto.OnePriceInfo;
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import com.ycwl.basic.pricing.service.IDiscountProvider;
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import com.ycwl.basic.pricing.service.IOnePricePurchaseService;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Component;
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import java.math.BigDecimal;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* 一口价购买优惠提供者
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*/
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@Slf4j
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@Component
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@RequiredArgsConstructor
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public class OnePricePurchaseDiscountProvider implements IDiscountProvider {
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private final IOnePricePurchaseService onePricePurchaseService;
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@Override
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public String getProviderType() {
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return "ONE_PRICE_PURCHASE";
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}
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@Override
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public int getPriority() {
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return 60; // 中等优先级，在券码和优惠券之间
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}
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@Override
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public List<DiscountInfo> detectAvailableDiscounts(DiscountDetectionContext context) {
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List<DiscountInfo> discounts = new ArrayList<>();
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try {
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if (context.getScenicId() == null || context.getCurrentAmount() == null) {
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log.debug("一口价检测失败: 景区ID或当前金额为空");
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return discounts;
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}
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// 检查是否适用一口价
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if (!onePricePurchaseService.isOnePriceApplicable(context.getScenicId())) {
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log.debug("景区 {} 不适用一口价", context.getScenicId());
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return discounts;
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}
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// 获取一口价信息
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OnePriceInfo onePriceInfo = onePricePurchaseService.getOnePriceInfo(
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context.getScenicId(), context.getCurrentAmount());
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if (onePriceInfo == null) {
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log.debug("景区 {} 未找到一口价配置", context.getScenicId());
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return discounts;
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}
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// 只有当一口价小于当前金额时才算优惠
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if (onePriceInfo.getOnePrice().compareTo(context.getCurrentAmount()) >= 0) {
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log.debug("景区 {} 一口价 {} 不小于当前金额 {}",
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context.getScenicId(), onePriceInfo.getOnePrice(), context.getCurrentAmount());
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return discounts;
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}
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// 创建优惠信息
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DiscountInfo discountInfo = new DiscountInfo();
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discountInfo.setProviderType(getProviderType());
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discountInfo.setDiscountName("一口价购买优惠");
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discountInfo.setDiscountAmount(onePriceInfo.getActualDiscountAmount());
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discountInfo.setDiscountDescription("景区一口价购买，价格更优惠");
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discountInfo.setOnePriceInfo(onePriceInfo);
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discounts.add(discountInfo);
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log.info("检测到一口价优惠: 景区={}, 一口价={}, 优惠金额={}",
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context.getScenicId(), onePriceInfo.getOnePrice(),
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onePriceInfo.getActualDiscountAmount());
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} catch (Exception e) {
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log.error("一口价优惠检测失败", e);
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}
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return discounts;
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}
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@Override
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public DiscountResult applyDiscount(DiscountInfo discountInfo, DiscountDetectionContext context) {
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DiscountResult result = new DiscountResult();
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result.setDiscountInfo(discountInfo);
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result.setSuccess(false);
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try {
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if (!getProviderType().equals(discountInfo.getProviderType())) {
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result.setFailureReason("优惠类型不匹配");
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return result;
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}
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OnePriceInfo onePriceInfo = discountInfo.getOnePriceInfo();
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if (onePriceInfo == null) {
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result.setFailureReason("一口价信息为空");
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return result;
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}
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// 检查优惠的叠加限制
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boolean canUseWithOtherDiscounts = checkDiscountCombinationRules(onePriceInfo, context);
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if (!canUseWithOtherDiscounts) {
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result.setFailureReason("一口价不可与其他优惠叠加使用");
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return result;
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}
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// 应用一口价优惠
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BigDecimal discountAmount = onePriceInfo.getActualDiscountAmount();
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BigDecimal finalAmount = context.getCurrentAmount().subtract(discountAmount);
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// 如果使用一口价，则最终金额就是一口价金额
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finalAmount = onePriceInfo.getOnePrice();
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discountAmount = context.getCurrentAmount().subtract(finalAmount);
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result.setSuccess(true);
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result.setActualDiscountAmount(discountAmount);
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result.setFinalAmount(finalAmount);
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result.setFailureReason("一口价购买优惠已应用");
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log.info("一口价优惠应用成功: 优惠金额={}, 最终金额={}", discountAmount, finalAmount);
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} catch (Exception e) {
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log.error("一口价优惠应用失败", e);
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result.setFailureReason("一口价优惠应用失败: " + e.getMessage());
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}
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return result;
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}
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@Override
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public boolean canApply(DiscountInfo discountInfo, DiscountDetectionContext context) {
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try {
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if (!getProviderType().equals(discountInfo.getProviderType())) {
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return false;
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}
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OnePriceInfo onePriceInfo = discountInfo.getOnePriceInfo();
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if (onePriceInfo == null) {
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return false;
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}
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// 检查一口价是否仍然有效（时间范围等）
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return onePricePurchaseService.isOnePriceApplicable(context.getScenicId());
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} catch (Exception e) {
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log.error("检查一口价可用性失败", e);
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return false;
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}
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}
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@Override
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public BigDecimal getMaxPossibleDiscount(DiscountInfo discountInfo, DiscountDetectionContext context) {
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try {
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OnePriceInfo onePriceInfo = discountInfo.getOnePriceInfo();
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if (onePriceInfo != null && onePriceInfo.getActualDiscountAmount() != null) {
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return onePriceInfo.getActualDiscountAmount();
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}
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} catch (Exception e) {
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log.error("获取一口价最大优惠金额失败", e);
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}
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return BigDecimal.ZERO;
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}
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/**
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* 检查优惠叠加规则
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*/
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private boolean checkDiscountCombinationRules(OnePriceInfo onePriceInfo, DiscountDetectionContext context) {
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// 根据配置检查是否可以与优惠券、券码叠加使用
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// 这里可以根据业务需求实现具体的叠加规则
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// 如果配置了不可与优惠券叠加，且请求中要使用优惠券，则返回false
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if (Boolean.FALSE.equals(onePriceInfo.getCanUseCoupon()) &&
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Boolean.TRUE.equals(context.getAutoUseCoupon())) {
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log.debug("一口价配置不允许与优惠券叠加使用");
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return false;
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}
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// 如果配置了不可与券码叠加，且请求中要使用券码，则返回false
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if (Boolean.FALSE.equals(onePriceInfo.getCanUseVoucher()) &&
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(Boolean.TRUE.equals(context.getAutoUseVoucher()) ||
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context.getVoucherCode() != null)) {
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log.debug("一口价配置不允许与券码叠加使用");
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return false;
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}
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return true;
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}
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}
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@@ -0,0 +1,219 @@
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package com.ycwl.basic.pricing.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.github.pagehelper.PageHelper;
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import com.github.pagehelper.PageInfo;
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import com.ycwl.basic.pricing.dto.OnePriceConfigFilterRequest;
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import com.ycwl.basic.pricing.dto.OnePriceInfo;
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import com.ycwl.basic.pricing.entity.PriceOnePriceConfig;
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import com.ycwl.basic.pricing.mapper.PriceOnePriceConfigMapper;
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import com.ycwl.basic.pricing.service.IOnePricePurchaseService;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import org.springframework.util.StringUtils;
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import java.math.BigDecimal;
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import java.util.List;
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/**
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* 一口价购买服务实现
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*/
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@Slf4j
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@Service
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@RequiredArgsConstructor
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public class OnePricePurchaseServiceImpl implements IOnePricePurchaseService {
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private final PriceOnePriceConfigMapper onePriceConfigMapper;
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@Override
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public boolean isOnePriceApplicable(Long scenicId) {
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PriceOnePriceConfig config = findConfigByScenic(scenicId);
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return config != null;
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}
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@Override
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public OnePriceInfo getOnePriceInfo(Long scenicId, BigDecimal currentAmount) {
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PriceOnePriceConfig config = findConfigByScenic(scenicId);
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if (config == null) {
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return null;
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}
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OnePriceInfo info = new OnePriceInfo();
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info.setConfigId(config.getId());
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info.setConfigName(config.getConfigName());
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info.setScenicId(scenicId);
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info.setOnePrice(config.getOnePrice());
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info.setOriginalPrice(config.getOriginalPrice());
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info.setDescription(config.getDescription());
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info.setCanUseCoupon(config.getCanUseCoupon());
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info.setCanUseVoucher(config.getCanUseVoucher());
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// 计算实际优惠金额
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if (currentAmount != null && config.getOnePrice().compareTo(currentAmount) < 0) {
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BigDecimal discountAmount = currentAmount.subtract(config.getOnePrice());
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info.setActualDiscountAmount(discountAmount);
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} else {
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info.setActualDiscountAmount(BigDecimal.ZERO);
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}
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return info;
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}
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@Override
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public List<PriceOnePriceConfig> getActiveConfigs() {
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return onePriceConfigMapper.selectActiveConfigs();
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}
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@Override
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public List<PriceOnePriceConfig> getActiveConfigsByScenic(Long scenicId) {
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return onePriceConfigMapper.selectConfigsByScenic(scenicId);
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}
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// ==================== 管理端接口实现 ====================
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@Override
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public Long createConfig(PriceOnePriceConfig config) {
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try {
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// 设置默认值
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if (config.getIsActive() == null) {
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config.setIsActive(true);
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}
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if (config.getCanUseCoupon() == null) {
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config.setCanUseCoupon(true);
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}
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if (config.getCanUseVoucher() == null) {
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config.setCanUseVoucher(true);
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}
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if (config.getDeleted() == null) {
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config.setDeleted(0);
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}
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int result = onePriceConfigMapper.insertConfig(config);
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if (result > 0) {
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log.info("创建一口价配置成功: id={}, name={}", config.getId(), config.getConfigName());
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return config.getId();
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}
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return null;
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} catch (Exception e) {
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log.error("创建一口价配置失败", e);
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throw new RuntimeException("创建一口价配置失败: " + e.getMessage());
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}
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}
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@Override
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public boolean updateConfig(PriceOnePriceConfig config) {
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try {
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int result = onePriceConfigMapper.updateConfig(config);
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if (result > 0) {
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log.info("更新一口价配置成功: id={}", config.getId());
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return true;
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}
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return false;
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} catch (Exception e) {
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log.error("更新一口价配置失败: id={}", config.getId(), e);
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throw new RuntimeException("更新一口价配置失败: " + e.getMessage());
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}
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}
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@Override
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public boolean deleteConfig(Long id) {
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try {
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int result = onePriceConfigMapper.deleteConfig(id);
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if (result > 0) {
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log.info("删除一口价配置成功: id={}", id);
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return true;
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}
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return false;
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} catch (Exception e) {
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log.error("删除一口价配置失败: id={}", id, e);
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throw new RuntimeException("删除一口价配置失败: " + e.getMessage());
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}
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}
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@Override
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public boolean updateConfigStatus(Long id, Boolean isActive) {
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try {
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int result = onePriceConfigMapper.updateConfigStatus(id, isActive);
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if (result > 0) {
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log.info("更新一口价配置状态成功: id={}, isActive={}", id, isActive);
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return true;
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}
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return false;
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} catch (Exception e) {
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log.error("更新一口价配置状态失败: id={}", id, e);
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throw new RuntimeException("更新一口价配置状态失败: " + e.getMessage());
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}
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}
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@Override
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||||
public PriceOnePriceConfig getConfigById(Long id) {
|
||||
return onePriceConfigMapper.selectById(id);
|
||||
}
|
||||
|
||||
@Override
|
||||
public PageInfo<PriceOnePriceConfig> pageConfigs(OnePriceConfigFilterRequest request) {
|
||||
// 开启分页
|
||||
PageHelper.startPage(request.getPageNum(), request.getPageSize());
|
||||
|
||||
// 构建查询条件
|
||||
QueryWrapper<PriceOnePriceConfig> queryWrapper = new QueryWrapper<>();
|
||||
queryWrapper.eq("deleted", 0); // 未删除的记录
|
||||
|
||||
// 添加筛选条件
|
||||
if (request.getScenicId() != null) {
|
||||
queryWrapper.eq("scenic_id", request.getScenicId());
|
||||
}
|
||||
if (StringUtils.hasText(request.getConfigName())) {
|
||||
queryWrapper.like("config_name", request.getConfigName()); // 模糊查询
|
||||
}
|
||||
if (request.getIsActive() != null) {
|
||||
queryWrapper.eq("is_active", request.getIsActive());
|
||||
}
|
||||
|
||||
// 按创建时间降序排列
|
||||
queryWrapper.orderByDesc("create_time");
|
||||
|
||||
// 执行查询
|
||||
List<PriceOnePriceConfig> list = onePriceConfigMapper.selectList(queryWrapper);
|
||||
|
||||
// 返回分页结果
|
||||
return new PageInfo<>(list);
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<PriceOnePriceConfig> getAllConfigsForAdmin() {
|
||||
return onePriceConfigMapper.selectAllConfigsForAdmin();
|
||||
}
|
||||
|
||||
// ==================== 私有方法 ====================
|
||||
|
||||
/**
|
||||
* 根据景区查找配置
|
||||
*/
|
||||
private PriceOnePriceConfig findConfigByScenic(Long scenicId) {
|
||||
if (scenicId == null) {
|
||||
return null;
|
||||
}
|
||||
|
||||
// 查询匹配的配置
|
||||
PriceOnePriceConfig config = onePriceConfigMapper.selectConfigByScenic(scenicId);
|
||||
|
||||
if (config == null) {
|
||||
return null;
|
||||
}
|
||||
|
||||
// 检查时间有效性
|
||||
if (!config.isTimeValid()) {
|
||||
return null;
|
||||
}
|
||||
|
||||
// 检查景区匹配性
|
||||
if (!config.isScenicMatch(scenicId)) {
|
||||
return null;
|
||||
}
|
||||
|
||||
return config;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user