BJ_ZTEITS-Developers / parking-cloud-yudao

Commit 3d51c67f1a521f0b4156b1ab2fe327f39ddb9d16

Authored by puhui999
1 parent 92da91a7

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

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Showing 1 changed file with 24 additions and 4 deletions
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/combination/AppCombinationActivityController.java
  View file @3d51c67
... ... @@ -14,6 +14,8 @@ import cn.iocoder.yudao.module.promotion.convert.combination.CombinationActivity
14 14 import cn.iocoder.yudao.module.promotion.dal.dataobject.combination.CombinationActivityDO;
15 15 import cn.iocoder.yudao.module.promotion.dal.dataobject.combination.CombinationProductDO;
16 16 import cn.iocoder.yudao.module.promotion.service.combination.CombinationActivityService;
  17 +import com.google.common.cache.CacheLoader;
  18 +import com.google.common.cache.LoadingCache;
17 19 import io.swagger.v3.oas.annotations.Operation;
18 20 import io.swagger.v3.oas.annotations.Parameter;
19 21 import io.swagger.v3.oas.annotations.tags.Tag;
... ... @@ -24,11 +26,13 @@ import org.springframework.web.bind.annotation.RequestParam;
24 26 import org.springframework.web.bind.annotation.RestController;
25 27  
26 28 import javax.annotation.Resource;
  29 +import java.time.Duration;
27 30 import java.util.Collections;
28 31 import java.util.List;
29 32  
30 33 import static cn.hutool.core.util.ObjectUtil.defaultIfNull;
31 34 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
  35 +import static cn.iocoder.yudao.framework.common.util.cache.CacheUtils.buildAsyncReloadingCache;
32 36 import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
33 37  
34 38 @Tag(name = "用户 APP - 拼团活动")
... ... @@ -37,24 +41,40 @@ import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.
37 41 @Validated
38 42 public class AppCombinationActivityController {
39 43  
  44 + /**
  45 + * {@link AppCombinationActivityRespVO} 缓存，通过它异步刷新 {@link #getCombinationActivityList0(Integer)} 所要的首页数据
  46 + */
  47 + private final LoadingCache<Integer, List<AppCombinationActivityRespVO>> combinationActivityListCache = buildAsyncReloadingCache(Duration.ofSeconds(10L),
  48 + new CacheLoader<Integer, List<AppCombinationActivityRespVO>>() {
  49 +
  50 + @Override
  51 + public List<AppCombinationActivityRespVO> load(Integer count) {
  52 + return getCombinationActivityList0(count);
  53 + }
  54 +
  55 + });
  56 +
40 57 @Resource
41 58 private CombinationActivityService activityService;
42 59 @Resource
43 60 private ProductSpuApi spuApi;
44 61  
45   - // TODO 芋艿：增加 Spring Cache
46 62 @GetMapping("/list")
47 63 @Operation(summary = "获得拼团活动列表", description = "用于小程序首页")
48 64 @Parameter(name = "count", description = "需要展示的数量", example = "6")
49 65 public CommonResult<List<AppCombinationActivityRespVO>> getCombinationActivityList(
50 66 @RequestParam(name = "count", defaultValue = "6") Integer count) {
  67 + return success(combinationActivityListCache.getUnchecked(count));
  68 + }
  69 +
  70 + private List<AppCombinationActivityRespVO> getCombinationActivityList0(Integer count) {
51 71 List<CombinationActivityDO> list = activityService.getCombinationActivityListByCount(defaultIfNull(count, 6));
52 72 if (CollUtil.isEmpty(list)) {
53   - return success(Collections.emptyList());
  73 + return Collections.emptyList();
54 74 }
55 75 // 拼接返回
56 76 List<ProductSpuRespDTO> spuList = spuApi.getSpuList(convertList(list, CombinationActivityDO::getSpuId));
57   - return success(CombinationActivityConvert.INSTANCE.convertAppList(list, spuList));
  77 + return CombinationActivityConvert.INSTANCE.convertAppList(list, spuList);
58 78 }
59 79  
60 80 @GetMapping("/page")
... ... @@ -76,7 +96,7 @@ public class AppCombinationActivityController {
76 96 // 1、获取活动
77 97 CombinationActivityDO combinationActivity = activityService.getCombinationActivity(id);
78 98 if (combinationActivity == null
79   - || ObjectUtil.equal(combinationActivity.getStatus(), CommonStatusEnum.DISABLE.getStatus())) {
  99 + || ObjectUtil.equal(combinationActivity.getStatus(), CommonStatusEnum.DISABLE.getStatus())) {
80 100 return success(null);
81 101 }
82 102 // 2、获取活动商品
... ...