package cn.iocoder.yudao.module.promotion.controller.app.bargain;
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import cn.hutool.core.collection.CollUtil;
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import cn.iocoder.yudao.framework.common.pojo.CommonResult;
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import cn.iocoder.yudao.framework.common.pojo.PageParam;
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import cn.iocoder.yudao.framework.common.pojo.PageResult;
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import cn.iocoder.yudao.module.product.api.spu.ProductSpuApi;
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import cn.iocoder.yudao.module.product.api.spu.dto.ProductSpuRespDTO;
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import cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.activity.AppBargainActivityDetailRespVO;
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import cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.activity.AppBargainActivityRespVO;
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import cn.iocoder.yudao.module.promotion.convert.bargain.BargainActivityConvert;
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import cn.iocoder.yudao.module.promotion.dal.dataobject.bargain.BargainActivityDO;
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import cn.iocoder.yudao.module.promotion.enums.bargain.BargainRecordStatusEnum;
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import cn.iocoder.yudao.module.promotion.service.bargain.BargainActivityService;
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import cn.iocoder.yudao.module.promotion.service.bargain.BargainRecordService;
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import com.google.common.cache.CacheLoader;
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import com.google.common.cache.LoadingCache;
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import io.swagger.v3.oas.annotations.Operation;
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import io.swagger.v3.oas.annotations.Parameter;
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import io.swagger.v3.oas.annotations.tags.Tag;
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import jakarta.annotation.security.PermitAll;
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import org.springframework.validation.annotation.Validated;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import jakarta.annotation.Resource;
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import java.time.Duration;
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import java.util.Collections;
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import java.util.List;
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import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
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import static cn.iocoder.yudao.framework.common.util.cache.CacheUtils.buildAsyncReloadingCache;
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import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
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@Tag(name = "用户 App - 砍价活动")
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@RestController
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@RequestMapping("/promotion/bargain-activity")
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@Validated
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public class AppBargainActivityController {
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/**
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* {@link AppBargainActivityRespVO} 缓存，通过它异步刷新 {@link #getBargainActivityList0(Integer)} 所要的首页数据
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*/
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private final LoadingCache<Integer, List<AppBargainActivityRespVO>> bargainActivityListCache = buildAsyncReloadingCache(Duration.ofSeconds(10L),
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new CacheLoader<Integer, List<AppBargainActivityRespVO>>() {
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@Override
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public List<AppBargainActivityRespVO> load(Integer count) {
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return getBargainActivityList0(count);
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}
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});
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@Resource
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private BargainActivityService bargainActivityService;
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@Resource
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private BargainRecordService bargainRecordService;
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@Resource
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private ProductSpuApi spuApi;
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@GetMapping("/list")
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@Operation(summary = "获得砍价活动列表", description = "用于小程序首页")
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@Parameter(name = "count", description = "需要展示的数量", example = "6")
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@PermitAll
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public CommonResult<List<AppBargainActivityRespVO>> getBargainActivityList(
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@RequestParam(name = "count", defaultValue = "6") Integer count) {
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return success(bargainActivityListCache.getUnchecked(count));
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}
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private List<AppBargainActivityRespVO>getBargainActivityList0(Integer count) {
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List<BargainActivityDO> list = bargainActivityService.getBargainActivityListByCount(count);
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if (CollUtil.isEmpty(list)) {
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return Collections.emptyList();
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}
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// 拼接数据
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List<ProductSpuRespDTO> spuList = spuApi.getSpuList(convertList(list, BargainActivityDO::getSpuId));
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return BargainActivityConvert.INSTANCE.convertAppList(list, spuList);
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}
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@GetMapping("/page")
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@Operation(summary = "获得砍价活动分页")
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@PermitAll
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public CommonResult<PageResult<AppBargainActivityRespVO>> getBargainActivityPage(PageParam pageReqVO) {
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PageResult<BargainActivityDO> result = bargainActivityService.getBargainActivityPage(pageReqVO);
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if (CollUtil.isEmpty(result.getList())) {
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return success(PageResult.empty(result.getTotal()));
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}
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// 拼接数据
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List<ProductSpuRespDTO> spuList = spuApi.getSpuList(convertList(result.getList(), BargainActivityDO::getSpuId));
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return success(BargainActivityConvert.INSTANCE.convertAppPage(result, spuList));
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}
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@GetMapping("/get-detail")
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@Operation(summary = "获得砍价活动详情")
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@Parameter(name = "id", description = "活动编号", example = "1")
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@PermitAll
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public CommonResult<AppBargainActivityDetailRespVO> getBargainActivityDetail(@RequestParam("id") Long id) {
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BargainActivityDO activity = bargainActivityService.getBargainActivity(id);
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if (activity == null) {
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return success(null);
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}
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// 拼接数据
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Integer successUserCount = bargainRecordService.getBargainRecordUserCount(id, BargainRecordStatusEnum.SUCCESS.getStatus());
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ProductSpuRespDTO spu = spuApi.getSpu(activity.getSpuId());
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return success(BargainActivityConvert.INSTANCE.convert(activity, successUserCount, spu));
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}
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}
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