Banner：完善 review 提到的问题

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/enums/banner/BannerPositionEnum.java

@@ -0,0 +1,40 @@
+package cn.iocoder.yudao.module.promotion.enums.banner;
+
+import cn.iocoder.yudao.framework.common.core.IntArrayValuable;
+import cn.iocoder.yudao.module.promotion.enums.bargain.BargainRecordStatusEnum;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.util.Arrays;
+
+/**
+ * Banner Position 枚举
+ *
+ * @author HUIHUI
+ */
+@AllArgsConstructor
+@Getter
+public enum BannerPositionEnum implements IntArrayValuable {
+
+    HOME_POSITION(1, "首页"),
+    SECKILL_POSITION(2, "秒杀活动页"),
+    COMBINATION_POSITION(3, "砍价活动页"),
+    DISCOUNT_POSITION(4, "限时折扣页"),
+    REWARD_POSITION(5, "满减送页");
+
+    public static final int[] ARRAYS = Arrays.stream(values()).mapToInt(BargainRecordStatusEnum::getStatus).toArray();
+    /**
+     * 值
+     */
+    private final Integer position;
+    /**
+     * 名字
+     */
+    private final String name;
+
+    @Override
+    public int[] array() {
+        return ARRAYS;
+    }
+
+}

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/admin/banner/vo/BannerBaseVO.java

@@ -27,6 +27,10 @@ public class BannerBaseVO {
     @NotNull(message = "图片地址不能为空")
     private String picUrl;
 
+    @Schema(description = "position", requiredMode = Schema.RequiredMode.REQUIRED)
+    @NotNull(message = "position 不能为空")
+    private Integer position;
+
     @Schema(description = "排序", requiredMode = Schema.RequiredMode.REQUIRED)
     @NotNull(message = "排序不能为空")
     private Integer sort;

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/admin/banner/vo/BannerPageReqVO.java

@@ -25,7 +25,6 @@ public class BannerPageReqVO extends PageParam {
     @Schema(description = "标题")
     private String title;
 
-
     @Schema(description = "状态")
     @InEnum(CommonStatusEnum.class)
     private Integer status;

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/banner/AppBannerController.java

@@ -2,18 +2,23 @@ package cn.iocoder.yudao.module.promotion.controller.app.banner;
 
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
 import cn.iocoder.yudao.module.promotion.controller.app.banner.vo.AppBannerRespVO;
+import cn.iocoder.yudao.module.promotion.convert.banner.BannerConvert;
+import cn.iocoder.yudao.module.promotion.dal.dataobject.banner.BannerDO;
+import cn.iocoder.yudao.module.promotion.service.banner.BannerService;
+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;
 import org.springframework.validation.annotation.Validated;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
-import java.util.ArrayList;
+import javax.annotation.Resource;
+import java.time.Duration;
 import java.util.List;
 
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
+import static cn.iocoder.yudao.framework.common.util.cache.CacheUtils.buildAsyncReloadingCache;
 
 @RestController
 @RequestMapping("/promotion/banner")
@@ -21,22 +26,39 @@ import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
 @Validated
 public class AppBannerController {
 
+    @Resource
+    private BannerService bannerService;
+    /**
+     * {@link AppBannerRespVO} 缓存，通过它异步刷新 {@link #getBannerList0(Integer)} 所要的首页数据
+     */
+    private final LoadingCache<Integer, List<AppBannerRespVO>> bannerListCache = buildAsyncReloadingCache(Duration.ofSeconds(10L),
+            new CacheLoader<Integer, List<AppBannerRespVO>>() {
+
+                @Override
+                public List<AppBannerRespVO> load(Integer position) {
+                    return getBannerList0(position);
+                }
+
+            });
+
     @GetMapping("/list")
     @Operation(summary = "获得 banner 列表")
-    // todo @芋艿：swagger 注解，待补全
-    // TODO @芋艿：可以增加缓存，提升性能
-    // TODO @芋艿：position = 1 时，首页；position = 10 时，拼团活动页
+    @Parameter(name = "position", description = "Banner position", example = "1")
     public CommonResult<List<AppBannerRespVO>> getBannerList(@RequestParam("position") Integer position) {
-        List<AppBannerRespVO> bannerList = new ArrayList<>();
-        AppBannerRespVO banner1 = new AppBannerRespVO();
-        banner1.setUrl("https://www.example.com/link1");
-        banner1.setPicUrl("https://api.java.crmeb.net/crmebimage/public/content/2022/08/04/0f78716213f64bfa83f191d51a832cbf73f6axavoy.jpg");
-        bannerList.add(banner1);
-        AppBannerRespVO banner2 = new AppBannerRespVO();
-        banner2.setUrl("https://www.example.com/link2");
-        banner2.setPicUrl("https://api.java.crmeb.net/crmebimage/public/content/2023/01/11/be09e755268b43ee90b0db3a3e1b7132r7a6t2wvsm.jpg");
-        bannerList.add(banner2);
-        return success(bannerList);
+        return success(bannerListCache.getUnchecked(position));
+    }
+
+    private List<AppBannerRespVO> getBannerList0(Integer position) {
+        List<BannerDO> bannerList = bannerService.getBannerListByPosition(position);
+        return BannerConvert.INSTANCE.convertList01(bannerList);
+    }
+
+    @PutMapping("/add-browse-count")
+    @Operation(summary = "增加 Banner 点击量")
+    @Parameter(name = "id", description = "Banner 编号", example = "1024")
+    public CommonResult<Boolean> addBrowseCount(@RequestParam("id") Long id) {
+        bannerService.addBannerBrowseCount(id);
+        return success(true);
     }
 
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/banner/vo/AppBannerRespVO.java

@@ -9,6 +9,13 @@ import javax.validation.constraints.NotNull;
 @Data
 public class AppBannerRespVO {
 
+    @Schema(description = "编号", requiredMode = Schema.RequiredMode.REQUIRED)
+    private Long id;
+
+    @Schema(description = "标题", requiredMode = Schema.RequiredMode.REQUIRED)
+    @NotNull(message = "标题不能为空")
+    private String title;
+
     @Schema(description = "跳转链接", requiredMode = Schema.RequiredMode.REQUIRED)
     @NotNull(message = "跳转链接不能为空")
     private String url;

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/convert/banner/BannerConvert.java

@@ -4,6 +4,7 @@ import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.module.promotion.controller.admin.banner.vo.BannerCreateReqVO;
 import cn.iocoder.yudao.module.promotion.controller.admin.banner.vo.BannerRespVO;
 import cn.iocoder.yudao.module.promotion.controller.admin.banner.vo.BannerUpdateReqVO;
+import cn.iocoder.yudao.module.promotion.controller.app.banner.vo.AppBannerRespVO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.banner.BannerDO;
 import org.mapstruct.Mapper;
 import org.mapstruct.factory.Mappers;
@@ -25,4 +26,6 @@ public interface BannerConvert {
 
     BannerDO convert(BannerUpdateReqVO updateReqVO);
 
+    List<AppBannerRespVO> convertList01(List<BannerDO> bannerList);
+
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/dataobject/banner/BannerDO.java

@@ -1,6 +1,8 @@
 package cn.iocoder.yudao.module.promotion.dal.dataobject.banner;
 
+import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
 import cn.iocoder.yudao.framework.mybatis.core.dataobject.BaseDO;
+import cn.iocoder.yudao.module.promotion.enums.banner.BannerPositionEnum;
 import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.*;
 
@@ -40,14 +42,25 @@ public class BannerDO extends BaseDO {
     private Integer sort;
 
     /**
-     * 状态 {@link cn.iocoder.yudao.framework.common.enums.CommonStatusEnum}
+     * 状态 {@link CommonStatusEnum}
      */
     private Integer status;
+
+    /**
+     * 定位 {@link BannerPositionEnum}
+     */
+    private Integer position;
+
     /**
      * 备注
      */
     private String memo;
 
-    // TODO 芋艿 点击次数。&& 其他数据相关
+    /**
+     * 点击次数
+     */
+    private Integer browseCount;
+
+    // TODO 芋艿 其他数据相关
 
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/banner/BannerMapper.java

@@ -5,8 +5,11 @@ import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
 import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
 import cn.iocoder.yudao.module.promotion.controller.admin.banner.vo.BannerPageReqVO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.banner.BannerDO;
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import org.apache.ibatis.annotations.Mapper;
 
+import java.util.List;
+
 /**
  * Banner Mapper
  *
@@ -23,4 +26,14 @@ public interface BannerMapper extends BaseMapperX<BannerDO> {
                 .orderByDesc(BannerDO::getSort));
     }
 
+    default void updateBrowseCount(Long id) {
+        update(null, new LambdaUpdateWrapper<BannerDO>()
+                .eq(BannerDO::getId, id)
+                .setSql("browse_count = browse_count + 1"));
+    }
+
+    default List<BannerDO> selectBannerListByPosition(Integer position) {
+        return selectList(new LambdaQueryWrapperX<BannerDO>().eq(BannerDO::getPosition, position));
+    }
+
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/banner/BannerService.java

@@ -46,12 +46,6 @@ public interface BannerService {
      */
     BannerDO getBanner(Long id);
 
-    /**
-     * 获得所有 Banner列表
-     * @return Banner列表
-     */
-    List<BannerDO> getBannerList();
-
     /**
      * 获得 Banner 分页
      *
@@ -60,4 +54,19 @@ public interface BannerService {
      */
     PageResult<BannerDO> getBannerPage(BannerPageReqVO pageReqVO);
 
+    /**
+     * 增加 Banner 点击量
+     *
+     * @param id Banner编号
+     */
+    void addBannerBrowseCount(Long id);
+
+    /**
+     * 获得 Banner 列表
+     *
+     * @param position 定位
+     * @return Banner 列表
+     */
+    List<BannerDO> getBannerListByPosition(Integer position);
+
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/banner/BannerServiceImpl.java

@@ -66,13 +66,21 @@ public class BannerServiceImpl implements BannerService {
     }
 
     @Override
-    public List<BannerDO> getBannerList() {
-        return bannerMapper.selectList();
+    public PageResult<BannerDO> getBannerPage(BannerPageReqVO pageReqVO) {
+        return bannerMapper.selectPage(pageReqVO);
     }
 
     @Override
-    public PageResult<BannerDO> getBannerPage(BannerPageReqVO pageReqVO) {
-        return bannerMapper.selectPage(pageReqVO);
+    public void addBannerBrowseCount(Long id) {
+        // 校验 Banner 是否存在
+        validateBannerExists(id);
+        // 增加点击次数
+        bannerMapper.updateBrowseCount(id);
+    }
+
+    @Override
+    public List<BannerDO> getBannerListByPosition(Integer position) {
+        return bannerMapper.selectBannerListByPosition(position);
     }
 
 }