feat(home): 增加首页友情链接列表查询接口

src/main/java/io/github/xxyopen/novel/controller/front/HomeController.java

@@ -3,6 +3,7 @@ package io.github.xxyopen.novel.controller.front;
 import io.github.xxyopen.novel.core.common.constant.ApiRouterConsts;
 import io.github.xxyopen.novel.core.common.resp.RestResp;
 import io.github.xxyopen.novel.dto.resp.HomeBookRespDto;
+import io.github.xxyopen.novel.dto.resp.HomeFriendLinkRespDto;
 import io.github.xxyopen.novel.service.HomeService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -31,4 +32,13 @@ public class HomeController {
     public RestResp<List<HomeBookRespDto>> listHomeBooks(){
         return homeService.listHomeBooks();
     }
+
+    /**
+     * 首页友情链接列表查询接口
+     * */
+    @GetMapping("friendLinks")
+    public RestResp<List<HomeFriendLinkRespDto>> listHomeFriendLinks(){
+        return homeService.listHomeFriendLinks();
+    }
+
 }

src/main/java/io/github/xxyopen/novel/dto/resp/HomeFriendLinkRespDto.java

@@ -0,0 +1,29 @@
+package io.github.xxyopen.novel.dto.resp;
+
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+
+/**
+ * 首页友情链接 响应DTO
+ *
+ * @author xiongxiaoyang
+ * @date 2022/5/14
+ */
+@Data
+public class HomeFriendLinkRespDto implements Serializable {
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 链接名
+     */
+    private String linkName;
+
+    /**
+     * 链接url
+     */
+    private String linkUrl;
+}

src/main/java/io/github/xxyopen/novel/manager/FriendLinkCacheManager.java

@@ -0,0 +1,43 @@
+package io.github.xxyopen.novel.manager;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import io.github.xxyopen.novel.core.constant.CacheConsts;
+import io.github.xxyopen.novel.dao.entity.HomeFriendLink;
+import io.github.xxyopen.novel.dao.mapper.HomeFriendLinkMapper;
+import io.github.xxyopen.novel.dto.resp.HomeFriendLinkRespDto;
+import lombok.RequiredArgsConstructor;
+import org.springframework.cache.annotation.Cacheable;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+
+/**
+ * 友情链接 缓存管理类
+ *
+ * @author xiongxiaoyang
+ * @date 2022/5/12
+ */
+@Component
+@RequiredArgsConstructor
+public class FriendLinkCacheManager {
+
+    private final HomeFriendLinkMapper friendLinkMapper;
+
+    /**
+     * 友情链接列表查询，并放入缓存中
+     */
+    @Cacheable(cacheManager = CacheConsts.REDIS_CACHE_MANAGER
+            , value = CacheConsts.HOME_FRIEND_LINK_CACHE_NAME)
+    public List<HomeFriendLinkRespDto> listFriendLinks() {
+        // 从友情链接表中查询出友情链接列表
+        QueryWrapper<HomeFriendLink> queryWrapper = new QueryWrapper<>();
+        queryWrapper.orderByAsc("sort");
+        return friendLinkMapper.selectList(queryWrapper).stream().map(v -> {
+            HomeFriendLinkRespDto respDto = new HomeFriendLinkRespDto();
+            respDto.setLinkName(v.getLinkName());
+            respDto.setLinkUrl(v.getLinkUrl());
+            return respDto;
+        }).toList();
+    }
+
+}

src/main/java/io/github/xxyopen/novel/service/HomeService.java

@@ -2,6 +2,7 @@ package io.github.xxyopen.novel.service;
 
 import io.github.xxyopen.novel.core.common.resp.RestResp;
 import io.github.xxyopen.novel.dto.resp.HomeBookRespDto;
+import io.github.xxyopen.novel.dto.resp.HomeFriendLinkRespDto;
 
 import java.util.List;
 
@@ -19,4 +20,9 @@ public interface HomeService {
      * @return 首页小说推荐列表的 rest 响应结果
      * */
     RestResp<List<HomeBookRespDto>> listHomeBooks();
+
+    /**
+     * 首页友情链接列表查询
+     * */
+    RestResp<List<HomeFriendLinkRespDto>> listHomeFriendLinks();
 }

src/main/java/io/github/xxyopen/novel/service/impl/HomeServiceImpl.java

@@ -2,6 +2,8 @@ package io.github.xxyopen.novel.service.impl;
 
 import io.github.xxyopen.novel.core.common.resp.RestResp;
 import io.github.xxyopen.novel.dto.resp.HomeBookRespDto;
+import io.github.xxyopen.novel.dto.resp.HomeFriendLinkRespDto;
+import io.github.xxyopen.novel.manager.FriendLinkCacheManager;
 import io.github.xxyopen.novel.manager.HomeBookCacheManager;
 import io.github.xxyopen.novel.service.HomeService;
 import lombok.RequiredArgsConstructor;
@@ -21,8 +23,15 @@ public class HomeServiceImpl implements HomeService {
 
     private final HomeBookCacheManager homeBookCacheManager;
 
+    private final FriendLinkCacheManager friendLinkCacheManager;
+
     @Override
     public RestResp<List<HomeBookRespDto>> listHomeBooks() {
         return RestResp.ok(homeBookCacheManager.listHomeBooks());
     }
+
+    @Override
+    public RestResp<List<HomeFriendLinkRespDto>> listHomeFriendLinks() {
+        return RestResp.ok(friendLinkCacheManager.listFriendLinks());
+    }
 }