feat: 增加小说排行榜相关查询接口

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

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+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.BookRankRespDto;
+import io.github.xxyopen.novel.service.BookService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+/**
+ * 小说模块 API 接口
+ *
+ * @author xiongxiaoyang
+ * @date 2022/5/14
+ */
+@RestController
+@RequestMapping(ApiRouterConsts.API_FRONT_BOOK_URL_PREFIX)
+@RequiredArgsConstructor
+public class BookController {
+
+    private final BookService bookService;
+
+    /**
+     * 小说点击榜查询接口
+     * */
+    @GetMapping("visitRank")
+    public RestResp<List<BookRankRespDto>> listVisitRankBooks(){
+        return bookService.listVisitRankBooks();
+    }
+
+    /**
+     * 小说新书榜查询接口
+     * */
+    @GetMapping("newestRank")
+    public RestResp<List<BookRankRespDto>> listNewestRankBooks(){
+        return bookService.listNewestRankBooks();
+    }
+
+    /**
+     * 小说更新榜查询接口
+     * */
+    @GetMapping("updateRank")
+    public RestResp<List<BookRankRespDto>> listUpdateRankBooks(){
+        return bookService.listUpdateRankBooks();
+    }
+
+
+}

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

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+package io.github.xxyopen.novel.dto.resp;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+import java.time.LocalDateTime;
+
+/**
+ * 小说排行榜 响应DTO
+ *
+ * @author xiongxiaoyang
+ * @date 2022/5/14
+ */
+@Data
+public class BookRankRespDto implements Serializable {
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * ID
+     */
+    private Long id;
+
+    /**
+     * 类别ID
+     */
+    private Long categoryId;
+
+    /**
+     * 类别名
+     */
+    private String categoryName;
+
+    /**
+     * 小说封面地址
+     */
+    private String picUrl;
+
+    /**
+     * 小说名
+     */
+    private String bookName;
+
+    /**
+     * 作家名
+     */
+    private String authorName;
+
+    /**
+     * 书籍描述
+     */
+    private String bookDesc;
+
+    /**
+     * 总字数
+     */
+    private Integer wordCount;
+
+    /**
+     * 最新章节名
+     */
+    private String lastChapterName;
+
+    /**
+     * 最新章节更新时间
+     */
+    @JsonFormat(pattern = "MM/dd HH:mm")
+    private LocalDateTime lastChapterUpdateTime;
+
+}

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

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+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.BookInfo;
+import io.github.xxyopen.novel.dao.mapper.BookInfoMapper;
+import io.github.xxyopen.novel.dto.resp.BookRankRespDto;
+import lombok.RequiredArgsConstructor;
+import org.springframework.cache.annotation.Cacheable;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+
+/**
+ * 小说排行榜 缓存管理类
+ *
+ * @author xiongxiaoyang
+ * @date 2022/5/12
+ */
+@Component
+@RequiredArgsConstructor
+public class BookRankCacheManager {
+
+    private final BookInfoMapper bookInfoMapper;
+
+    /**
+     * 查询小说点击榜列表，并放入缓存中
+     */
+    @Cacheable(cacheManager = CacheConsts.REDIS_CACHE_MANAGER
+            , value = CacheConsts.BOOK_VISIT_RANK_CACHE_NAME)
+    public List<BookRankRespDto> listVisitRankBooks() {
+        QueryWrapper<BookInfo> bookInfoQueryWrapper = new QueryWrapper<>();
+        bookInfoQueryWrapper
+                .orderByDesc("visit_count");
+        return getBookRankRespDtos(bookInfoQueryWrapper);
+    }
+
+    /**
+     * 查询小说新书榜列表，并放入缓存中
+     */
+    @Cacheable(cacheManager = CacheConsts.CAFFEINE_CACHE_MANAGER
+            , value = CacheConsts.BOOK_NEWEST_RANK_CACHE_NAME)
+    public List<BookRankRespDto> listNewestRankBooks() {
+        QueryWrapper<BookInfo> bookInfoQueryWrapper = new QueryWrapper<>();
+        bookInfoQueryWrapper
+                .orderByDesc("create_time");
+        return getBookRankRespDtos(bookInfoQueryWrapper);
+    }
+
+    /**
+     * 查询小说更新榜列表，并放入缓存中
+     */
+    @Cacheable(cacheManager = CacheConsts.CAFFEINE_CACHE_MANAGER
+            , value = CacheConsts.BOOK_UPDATE_RANK_CACHE_NAME)
+    public List<BookRankRespDto> listUpdateRankBooks() {
+        QueryWrapper<BookInfo> bookInfoQueryWrapper = new QueryWrapper<>();
+        bookInfoQueryWrapper
+                .orderByDesc("update_time");
+        return getBookRankRespDtos(bookInfoQueryWrapper);
+    }
+
+    private List<BookRankRespDto> getBookRankRespDtos(QueryWrapper<BookInfo> bookInfoQueryWrapper) {
+        bookInfoQueryWrapper.last("limit 30");
+        return bookInfoMapper.selectList(bookInfoQueryWrapper).stream().map(v -> {
+            BookRankRespDto respDto = new BookRankRespDto();
+            respDto.setId(v.getId());
+            respDto.setCategoryId(v.getCategoryId());
+            respDto.setCategoryName(v.getCategoryName());
+            respDto.setBookName(v.getBookName());
+            respDto.setPicUrl(v.getPicUrl());
+            respDto.setBookDesc(v.getBookDesc());
+            respDto.setLastChapterName(v.getLastChapterName());
+            respDto.setLastChapterUpdateTime(v.getLastChapterUpdateTime());
+            respDto.setWordCount(v.getWordCount());
+            return respDto;
+        }).toList();
+    }
+
+}

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

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+package io.github.xxyopen.novel.service;
+
+import io.github.xxyopen.novel.core.common.resp.RestResp;
+import io.github.xxyopen.novel.dto.resp.BookRankRespDto;
+
+import java.util.List;
+
+/**
+ * 小说模块 服务类
+ *
+ * @author xiongxiaoyang
+ * @date 2022/5/14
+ */
+public interface BookService {
+
+    /**
+     * 小说点击榜查询
+     * */
+    RestResp<List<BookRankRespDto>> listVisitRankBooks();
+
+    /**
+     * 小说新书榜查询
+     * */
+    RestResp<List<BookRankRespDto>> listNewestRankBooks();
+
+    /**
+     * 小说更新榜查询
+     * */
+    RestResp<List<BookRankRespDto>> listUpdateRankBooks();
+}

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

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+package io.github.xxyopen.novel.service.impl;
+
+import io.github.xxyopen.novel.core.common.resp.RestResp;
+import io.github.xxyopen.novel.dto.resp.BookRankRespDto;
+import io.github.xxyopen.novel.manager.BookRankCacheManager;
+import io.github.xxyopen.novel.service.BookService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ * 小说模块 服务实现类
+ *
+ * @author xiongxiaoyang
+ * @date 2022/5/14
+ */
+@Service
+@RequiredArgsConstructor
+public class BookServiceImpl implements BookService {
+
+    private final BookRankCacheManager bookRankCacheManager;
+
+    @Override
+    public RestResp<List<BookRankRespDto>> listVisitRankBooks() {
+        return RestResp.ok(bookRankCacheManager.listVisitRankBooks());
+    }
+
+    @Override
+    public RestResp<List<BookRankRespDto>> listNewestRankBooks() {
+        return RestResp.ok(bookRankCacheManager.listNewestRankBooks());
+    }
+
+    @Override
+    public RestResp<List<BookRankRespDto>> listUpdateRankBooks() {
+        return RestResp.ok(bookRankCacheManager.listUpdateRankBooks());
+    }
+}