博客点赞列表完成

src/main/java/cn/meteor/beyondclouds/modules/blog/api/BlogPraiseApi.java

 package cn.meteor.beyondclouds.modules.blog.api;
 
+import cn.meteor.beyondclouds.common.dto.PageDTO;
+import cn.meteor.beyondclouds.common.form.PageForm;
 import cn.meteor.beyondclouds.core.api.Response;
 import cn.meteor.beyondclouds.core.authentication.Subject;
-import cn.meteor.beyondclouds.core.exception.ServiceException;
 import cn.meteor.beyondclouds.modules.blog.exception.BlogPraiseServiceException;
 import cn.meteor.beyondclouds.modules.blog.service.IBlogPraiseService;
+import cn.meteor.beyondclouds.modules.user.dto.PraiseUserDTO;
 import cn.meteor.beyondclouds.util.SubjectUtils;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.validation.BindingResult;
 import org.springframework.web.bind.annotation.*;
 
+import javax.validation.Valid;
+
 /**
  * @author gaoTong
  * @date 2020/1/31 9:27
@@ -80,4 +85,16 @@ public class BlogPraiseApi {
         }
     }
 
+    @ApiOperation("博客点赞列表")
+    @GetMapping("/blog/{blogId}/praises")
+    public Response getPraises(@Valid @RequestParam PageForm pageForm, BindingResult bindingResult,
+                               @PathVariable("blogId") String blogId) {
+        if (bindingResult.hasErrors()) {
+            return Response.fieldError(bindingResult.getFieldError());
+        }
+
+        PageDTO<PraiseUserDTO> pageDTO = blogPraiseService.getBlogPraises(pageForm.getPage(), pageForm.getSize(), blogId);
+        return Response.success(pageDTO);
+    }
+
 }

src/main/java/cn/meteor/beyondclouds/modules/blog/mapper/BlogPraiseMapper.java

 package cn.meteor.beyondclouds.modules.blog.mapper;
 
 import cn.meteor.beyondclouds.modules.blog.entity.BlogPraise;
+import cn.meteor.beyondclouds.modules.user.dto.PraiseUserDTO;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import org.apache.ibatis.annotations.Param;
 
 /**
  * <p>
@@ -13,4 +17,12 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
  */
 public interface BlogPraiseMapper extends BaseMapper<BlogPraise> {
 
+    /**
+     * 查询点赞列表分页
+     * @param page
+     * @param targetId
+     * @param targetType
+     * @return
+     */
+    IPage<PraiseUserDTO> selectPraisePage(Page<?> page, @Param("targetId") String targetId, @Param("targetType") Integer targetType);
 }

src/main/java/cn/meteor/beyondclouds/modules/blog/mapper/xml/BlogPraiseMapper.xml

@@ -2,4 +2,17 @@
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="cn.meteor.beyondclouds.modules.blog.mapper.BlogPraiseMapper">
 
+    <select id="selectPraisePage" resultType="cn.meteor.beyondclouds.modules.user.dto.PraiseUserDTO">
+        select
+        u.user_id,
+        u.nick_name,
+        u.user_avatar,
+        u.signature,
+        bp.create_time praise_yime
+        from blog_praise bp, user u
+        where bp.user_id = u.user_id
+        and bp.target_id = #{targetId}
+        and bp.target_type = #{targetType}
+        order by bp.create_time desc
+    </select>
 </mapper>

src/main/java/cn/meteor/beyondclouds/modules/blog/service/IBlogPraiseService.java

 package cn.meteor.beyondclouds.modules.blog.service;
 
+import cn.meteor.beyondclouds.common.dto.PageDTO;
 import cn.meteor.beyondclouds.modules.blog.entity.BlogPraise;
-import cn.meteor.beyondclouds.modules.blog.exception.BlogCommentServiceException;
 import cn.meteor.beyondclouds.modules.blog.exception.BlogPraiseServiceException;
-import cn.meteor.beyondclouds.modules.blog.exception.BlogServiceException;
+import cn.meteor.beyondclouds.modules.user.dto.PraiseUserDTO;
 import com.baomidou.mybatisplus.extension.service.IService;
 
 /**
@@ -43,4 +43,15 @@ public interface IBlogPraiseService extends IService<BlogPraise> {
      * @param commentId
      */
     void deleteBlogCommentPraise(String currentUserId, String commentId) throws BlogPraiseServiceException;
+
+    /**
+     * 获取博客点赞列表
+     *
+     * @param pageNumver
+     * @param pageSize
+     * @param blogId
+     * @return
+     */
+    PageDTO<PraiseUserDTO> getBlogPraises(Integer pageNumver, Integer pageSize, String blogId);
+
 }

src/main/java/cn/meteor/beyondclouds/modules/blog/service/impl/BlogPraiseServiceImpl.java

 package cn.meteor.beyondclouds.modules.blog.service.impl;
 
+import cn.meteor.beyondclouds.common.dto.PageDTO;
 import cn.meteor.beyondclouds.core.queue.message.DataItemChangeMessage;
 import cn.meteor.beyondclouds.core.queue.message.DataItemType;
 import cn.meteor.beyondclouds.modules.blog.entity.Blog;
@@ -9,15 +10,17 @@ import cn.meteor.beyondclouds.modules.blog.enums.BlogCommentErrorCode;
 import cn.meteor.beyondclouds.modules.blog.enums.BlogErrorCode;
 import cn.meteor.beyondclouds.modules.blog.enums.BlogPraiseErrorCode;
 import cn.meteor.beyondclouds.modules.blog.enums.BlogPraiseType;
-import cn.meteor.beyondclouds.modules.blog.exception.BlogCommentServiceException;
 import cn.meteor.beyondclouds.modules.blog.exception.BlogPraiseServiceException;
-import cn.meteor.beyondclouds.modules.blog.exception.BlogServiceException;
 import cn.meteor.beyondclouds.modules.blog.mapper.BlogPraiseMapper;
 import cn.meteor.beyondclouds.modules.blog.service.IBlogCommentService;
 import cn.meteor.beyondclouds.modules.blog.service.IBlogPraiseService;
 import cn.meteor.beyondclouds.modules.blog.service.IBlogService;
 import cn.meteor.beyondclouds.modules.queue.service.IMessageQueueService;
+import cn.meteor.beyondclouds.modules.user.dto.PraiseUserDTO;
+import cn.meteor.beyondclouds.util.PageUtils;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -39,6 +42,8 @@ public class BlogPraiseServiceImpl extends ServiceImpl<BlogPraiseMapper, BlogPra
 
     private IMessageQueueService messageQueueService;
 
+    private BlogPraiseMapper blogPraiseMapper;
+
     @Autowired
     public void setBlogService(IBlogService blogService) {
         this.blogService = blogService;
@@ -54,6 +59,11 @@ public class BlogPraiseServiceImpl extends ServiceImpl<BlogPraiseMapper, BlogPra
         this.messageQueueService = messageQueueService;
     }
 
+    @Autowired
+    public void setBlogPraiseMapper(BlogPraiseMapper blogPraiseMapper) {
+        this.blogPraiseMapper = blogPraiseMapper;
+    }
+
     @Override
     public void praiseBlog(String userId, String blogId) throws BlogPraiseServiceException {
         // 1.判断博客是否存在
@@ -156,4 +166,16 @@ public class BlogPraiseServiceImpl extends ServiceImpl<BlogPraiseMapper, BlogPra
         // 2.取消点赞
         remove(queryWrapper);
     }
+
+    @Override
+    public PageDTO<PraiseUserDTO> getBlogPraises(Integer pageNumber, Integer pageSize, String blogId) {
+        IPage<PraiseUserDTO> praiseUserDTOPage = blogPraiseMapper.selectPraisePage(
+                new Page(pageNumber, pageSize),
+                blogId,
+                BlogPraiseType.BLOG_PRAISE.getPraiseType());
+        PageDTO<PraiseUserDTO> pageDTO = new PageDTO<>();
+        PageUtils.copyMeta(praiseUserDTOPage, pageDTO);
+        pageDTO.setDataList(praiseUserDTOPage.getRecords());
+        return pageDTO;
+    }
 }

src/main/java/cn/meteor/beyondclouds/modules/user/dto/PraiseUserDTO.java

+package cn.meteor.beyondclouds.modules.user.dto;
+
+import lombok.Data;
+
+import java.util.Date;
+
+/**
+ * @author meteor
+ */
+@Data
+public class PraiseUserDTO {
+
+    private String userId;
+
+    private String nickName;
+
+    private String userAvatar;
+
+    private String signature;
+
+    private Date praiseTime;
+
+}