新闻微服务开发完成，首页微服务开发中

novel-home/pom.xml

@@ -14,7 +14,11 @@
     <dependencies>
         <dependency>
             <groupId>com.java2nb.novel</groupId>
-            <artifactId>novel-common</artifactId>
+            <artifactId>book-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.java2nb.novel</groupId>
+            <artifactId>news-api</artifactId>
         </dependency>
 
         <dependency>

novel-home/src/main/java/com/java2nb/novel/home/HomeController.java

@@ -1,7 +0,0 @@
-package com.java2nb.novel.home;
-
-import org.springframework.web.bind.annotation.RestController;
-
-@RestController
-public class HomeController {
-}

novel-home/src/main/java/com/java2nb/novel/home/controller/HomeController.java

@@ -0,0 +1,61 @@
+package com.java2nb.novel.home.controller;
+
+import com.java2nb.novel.common.bean.PageBean;
+import com.java2nb.novel.common.bean.ResultBean;
+import com.java2nb.novel.home.entity.HomeFriendLink;
+import com.java2nb.novel.home.service.HomeService;
+import com.java2nb.novel.home.vo.HomeBookVO;
+import com.java2nb.novel.news.entity.News;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiParam;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+/**
+ * 首页微服务对外接口
+ * @author xiongxiaoyang
+ * @version 1.0
+ * @since 2020/5/28
+ */
+@RestController
+@RequestMapping("home")
+@RequiredArgsConstructor
+@Slf4j
+@Api(tags = "首页相关接口")
+public class HomeController {
+
+    private final HomeService homeService;
+
+    /**
+     * 首页小说推荐数据查询接口
+     * */
+    @ApiOperation("首页小说推荐列表查询接口")
+    @GetMapping("book")
+    public ResultBean<List<HomeBookVO>> listHomeBook(){
+        return ResultBean.ok(homeService.listHomeBook());
+    }
+
+    /**
+     * 首页友情链接查询接口
+     * */
+    @ApiOperation("首页友情链接查询接口")
+    @GetMapping("friendLink")
+    public ResultBean<List<HomeFriendLink>> listIndexLink(){
+        return ResultBean.ok(homeService.listFriendLink());
+    }
+
+    /**
+     * 首页新闻查询接口
+     * */
+    @ApiOperation("首页新闻查询接口")
+    @GetMapping("news")
+    public ResultBean<List<News>> listIndexNews(){
+        return ResultBean.ok(homeService.listIndexNews());
+    }
+
+
+}

novel-home/src/main/java/com/java2nb/novel/home/feign/BookFeignClient.java

@@ -0,0 +1,15 @@
+package com.java2nb.novel.home.feign;
+
+import com.java2nb.novel.book.api.BookApi;
+import org.springframework.cloud.openfeign.FeignClient;
+
+/**
+ * 小说服务Feign客户端
+ * @author xiongxiaoyang
+ * @version 1.0
+ * @since 2020/5/28
+ */
+@FeignClient("book-service")
+public interface BookFeignClient extends BookApi {
+
+}

novel-home/src/main/java/com/java2nb/novel/home/feign/NewsFeignClient.java

@@ -0,0 +1,16 @@
+package com.java2nb.novel.home.feign;
+
+import com.java2nb.novel.book.api.BookApi;
+import com.java2nb.novel.news.api.NewsApi;
+import org.springframework.cloud.openfeign.FeignClient;
+
+/**
+ * 新闻服务Feign客户端
+ * @author xiongxiaoyang
+ * @version 1.0
+ * @since 2020/5/28
+ */
+@FeignClient("news-service")
+public interface NewsFeignClient extends NewsApi {
+
+}

novel-home/src/main/java/com/java2nb/novel/home/service/HomeService.java

@@ -0,0 +1,37 @@
+package com.java2nb.novel.home.service;
+
+
+import com.java2nb.novel.home.entity.HomeBook;
+import com.java2nb.novel.home.entity.HomeFriendLink;
+import com.java2nb.novel.home.vo.HomeBookVO;
+import com.java2nb.novel.news.entity.News;
+
+import java.util.List;
+
+/**
+ * 首页服务接口
+ * @author xiongxiaoyang
+ * @version 1.0
+ * @since 2020/5/28
+ */
+public interface HomeService {
+
+    /**
+     * 首页小说推荐数据查询
+     * @return 首页推荐的小说数据
+     * */
+    List<HomeBookVO> listHomeBook();
+
+
+    /**
+     * 首页友情链接查询
+     * @return 友情链接集合
+     * */
+    List<HomeFriendLink> listFriendLink();
+
+    /**
+     * 查询首页新闻
+     * @return 新闻列表集合
+     * */
+    List<News> listIndexNews();
+}

novel-home/src/main/java/com/java2nb/novel/home/service/impl/HomeServiceImpl.java

@@ -0,0 +1,114 @@
+package com.java2nb.novel.home.service.impl;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.java2nb.novel.book.entity.Book;
+import com.java2nb.novel.common.cache.CacheKey;
+import com.java2nb.novel.common.cache.CacheService;
+import com.java2nb.novel.common.utils.Constants;
+import com.java2nb.novel.home.entity.HomeBook;
+import com.java2nb.novel.home.entity.HomeFriendLink;
+import com.java2nb.novel.home.feign.BookFeignClient;
+import com.java2nb.novel.home.feign.NewsFeignClient;
+import com.java2nb.novel.home.mapper.HomeBookDynamicSqlSupport;
+import com.java2nb.novel.home.mapper.HomeBookMapper;
+import com.java2nb.novel.home.mapper.HomeFriendLinkDynamicSqlSupport;
+import com.java2nb.novel.home.mapper.HomeFriendLinkMapper;
+import com.java2nb.novel.home.service.HomeService;
+import com.java2nb.novel.home.vo.HomeBookVO;
+import com.java2nb.novel.news.entity.News;
+import lombok.RequiredArgsConstructor;
+import lombok.SneakyThrows;
+import org.mybatis.dynamic.sql.render.RenderingStrategies;
+import org.mybatis.dynamic.sql.select.render.SelectStatementProvider;
+import org.springframework.beans.BeanUtils;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+import static org.mybatis.dynamic.sql.SqlBuilder.isEqualTo;
+import static org.mybatis.dynamic.sql.select.SelectDSL.select;
+
+/**
+ * 首页服务接口实现
+ * @author xiongxiaoyang
+ * @version 1.0
+ * @since 2020/5/28
+ */
+@Service
+@RequiredArgsConstructor
+public class HomeServiceImpl implements HomeService {
+
+    private final CacheService cacheService;
+
+    private final BookFeignClient bookFeignClient;
+
+    private final HomeBookMapper homeBookMapper;
+
+    private final HomeFriendLinkMapper homeFriendLinkMapper;
+
+    private final NewsFeignClient newsFeignClient;
+
+    @SneakyThrows
+    @Override
+    public List<HomeBookVO> listHomeBook() {
+        String result = cacheService.get(CacheKey.INDEX_BOOK_SETTINGS_KEY);
+        if (result == null || result.length() < Constants.OBJECT_JSON_CACHE_EXIST_LENGTH) {
+            List<HomeBook> list = homeBookMapper.selectMany(
+                    select(HomeBookDynamicSqlSupport.bookId,HomeBookDynamicSqlSupport.type)
+            .from(HomeBookDynamicSqlSupport.homeBook)
+            .orderBy(HomeBookDynamicSqlSupport.type,HomeBookDynamicSqlSupport.sort)
+                            .build()
+                            .render(RenderingStrategies.MYBATIS3));
+            List<Book> books = bookFeignClient.queryBookByIds(list.stream().map(HomeBook::getBookId).collect(Collectors.toList()));
+            Map<Long, Book> booksById = books.stream().collect(Collectors.toMap(Book::getId, Function.identity(),(key1, key2) -> key2));
+
+            List<HomeBookVO> resultList = new ArrayList<>(booksById.size());
+            for(HomeBook homeBook : list){
+                HomeBookVO homeBookVO = new HomeBookVO();
+                BeanUtils.copyProperties(homeBook,homeBookVO);
+                Book book = booksById.get(homeBook.getBookId());
+                if(book != null){
+                    BeanUtils.copyProperties(book,homeBookVO);
+                    resultList.add(homeBookVO);
+                }
+
+            }
+
+            result = new ObjectMapper().writeValueAsString(resultList);
+            cacheService.set(CacheKey.INDEX_BOOK_SETTINGS_KEY, result);
+        }
+        return new ObjectMapper().readValue(result, List.class);
+    }
+
+    @Override
+    public List<HomeFriendLink> listFriendLink() {
+        List<HomeFriendLink> result = (List<HomeFriendLink>) cacheService.getObject(CacheKey.INDEX_LINK_KEY);
+        if(result == null || result.size() == 0) {
+            SelectStatementProvider selectStatement =
+                    select(HomeFriendLinkDynamicSqlSupport.linkName,HomeFriendLinkDynamicSqlSupport.linkUrl)
+                    .from(HomeFriendLinkDynamicSqlSupport.homeFriendLink)
+                    .where(HomeFriendLinkDynamicSqlSupport.isOpen,isEqualTo((byte)1))
+                    .orderBy(HomeFriendLinkDynamicSqlSupport.sort)
+                    .build()
+                    .render(RenderingStrategies.MYBATIS3);
+            result =  homeFriendLinkMapper.selectMany(selectStatement);
+            cacheService.setObject(CacheKey.INDEX_LINK_KEY,result);
+        }
+        return result;
+    }
+
+    @Override
+    public List<News> listIndexNews() {
+        List<News> result = (List<News>) cacheService.getObject(CacheKey.INDEX_NEWS_KEY);
+        if(result == null || result.size() == 0) {
+            result = newsFeignClient.listLastIndexNews(2);
+            cacheService.setObject(CacheKey.INDEX_NEWS_KEY,result);
+        }
+        return result;
+    }
+}

novel-home/src/main/java/com/java2nb/novel/home/vo/HomeBookVO.java

@@ -0,0 +1,35 @@
+package com.java2nb.novel.home.vo;
+
+import com.java2nb.novel.home.entity.HomeBook;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * @author 11797
+ */
+@Data
+public class HomeBookVO extends HomeBook implements Serializable {
+
+    @ApiModelProperty(value = "小说名")
+    private String bookName;
+
+    @ApiModelProperty(value = "小说封面")
+    private String picUrl;
+
+    @ApiModelProperty(value = "作者名")
+    private String authorName;
+
+    @ApiModelProperty(value = "小说简介")
+    private String bookDesc;
+
+    @ApiModelProperty(value = "小说评分")
+    private Float score;
+
+
+    @Override
+    public String toString() {
+        return super.toString();
+    }
+}