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拼团活动：app-api 获得拼团活动列表增加 Spring Cache 缓存

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puhui999 2023-10-06 01:43:56 +08:00
parent 92da91a7dc
commit 3d51c67f1a
1 changed files with 24 additions and 4 deletions
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26
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/combination/AppCombinationActivityController.java
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@ -14,6 +14,8 @@ import cn.iocoder.yudao.module.promotion.convert.combination.CombinationActivity
import cn.iocoder.yudao.module.promotion.dal.dataobject.combination.CombinationActivityDO;
import cn.iocoder.yudao.module.promotion.dal.dataobject.combination.CombinationProductDO;
import cn.iocoder.yudao.module.promotion.service.combination.CombinationActivityService;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
@ -24,11 +26,13 @@ import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import javax.annotation.Resource;
import java.time.Duration;
import java.util.Collections;
import java.util.List;
import static cn.hutool.core.util.ObjectUtil.defaultIfNull;
import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
import static cn.iocoder.yudao.framework.common.util.cache.CacheUtils.buildAsyncReloadingCache;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
@Tag(name = "用户 APP - 拼团活动")
@ -37,24 +41,40 @@ import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.
@Validated
public class AppCombinationActivityController {
/**
* {@link AppCombinationActivityRespVO} 缓存，通过它异步刷新 {@link #getCombinationActivityList0(Integer)} 所要的首页数据
*/
private final LoadingCache<Integer, List<AppCombinationActivityRespVO>> combinationActivityListCache = buildAsyncReloadingCache(Duration.ofSeconds(10L),
new CacheLoader<Integer, List<AppCombinationActivityRespVO>>() {
@Override
public List<AppCombinationActivityRespVO> load(Integer count) {
return getCombinationActivityList0(count);
}
});
@Resource
private CombinationActivityService activityService;
@Resource
private ProductSpuApi spuApi;
// TODO 芋艿：增加 Spring Cache
@GetMapping("/list")
@Operation(summary = "获得拼团活动列表", description = "用于小程序首页")
@Parameter(name = "count", description = "需要展示的数量", example = "6")
public CommonResult<List<AppCombinationActivityRespVO>> getCombinationActivityList(
@RequestParam(name = "count", defaultValue = "6") Integer count) {
return success(combinationActivityListCache.getUnchecked(count));
}
private List<AppCombinationActivityRespVO> getCombinationActivityList0(Integer count) {
List<CombinationActivityDO> list = activityService.getCombinationActivityListByCount(defaultIfNull(count, 6));
if (CollUtil.isEmpty(list)) {
return success(Collections.emptyList());
return Collections.emptyList();
}
// 拼接返回
List<ProductSpuRespDTO> spuList = spuApi.getSpuList(convertList(list, CombinationActivityDO::getSpuId));
return success(CombinationActivityConvert.INSTANCE.convertAppList(list, spuList));
return CombinationActivityConvert.INSTANCE.convertAppList(list, spuList);
}
@GetMapping("/page")