feat:新增点赞接口

src/main/java/com/cxx/food/controller/MomentController.java

@@ -49,5 +49,17 @@ public class MomentController {
                               @RequestParam String content) {
         return momentService.addComment(id, content);
     }
+
+    @Operation(summary = "增加点赞")
+    @PostMapping("/{id}/like")
+    public Boolean addLike(@PathVariable("id") long id) {
+        return momentService.addLike(id);
+    }
+
+    @Operation(summary = "取消点赞")
+    @DeleteMapping("/{id}/like")
+    public Boolean deleteLike(@PathVariable("id") long id) {
+        return momentService.deleteLike(id);
+    }
 }
     

src/main/java/com/cxx/food/controller/UserController.java

@@ -36,7 +36,7 @@ public class UserController {
     @Operation(summary = "更新用户")
     @PutMapping("/{id}")
     public Boolean updateUser(@PathVariable("id") Long id,
-                              @JsonView(WriteView.class) @Validated @RequestBody UserDto userDto) {
+                              @Validated @RequestBody UserDto userDto) {
         return userService.updateUser(id, userDto);
     }
 }

src/main/java/com/cxx/food/dto/MomentDto.java

@@ -42,6 +42,10 @@ public class MomentDto {
     @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
     private Date date;
 
+    @Schema(description = "点赞用户")
+    @JsonView(ReadView.class)
+    private List<Long> likeList;
+
     @Schema(description = "评论内容")
     @JsonView(ReadView.class)
     private List<CommentDto> commentList;

src/main/java/com/cxx/food/entity/MomentLike.java

@@ -8,8 +8,8 @@ import lombok.EqualsAndHashCode;
 
 @Data
 @EqualsAndHashCode(callSuper = true)
-@TableName("moment")
+@TableName("moment_like")
-public class Like extends AbstractEntity {
+public class MomentLike extends AbstractEntity {
     @TableField("moment_id")
     private Long momentId;
 

src/main/java/com/cxx/food/entity/User.java

@@ -12,7 +12,7 @@ import java.util.List;
 
 @Data
 @EqualsAndHashCode(callSuper = true)
-@TableName("user")
+@TableName(value = "user", autoResultMap = true)
 public class User extends AbstractEntity {
     @TableField("username")
     private String username;

src/main/java/com/cxx/food/mapper/MomentLikeMapper.java

@@ -1,9 +1,9 @@
 package com.cxx.food.mapper;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
-import com.cxx.food.entity.Like;
+import com.cxx.food.entity.MomentLike;
 import org.apache.ibatis.annotations.Mapper;
 
 @Mapper
-public interface LikeMapper extends BaseMapper<Like> {
+public interface MomentLikeMapper extends BaseMapper<MomentLike> {
 }

src/main/java/com/cxx/food/service/MomentService.java

@@ -15,4 +15,8 @@ public interface MomentService {
     List<MomentDto> queryMoment();
 
     Boolean addComment(Long momentId, String content);
+
+    Boolean addLike(Long momentId);
+
+    Boolean deleteLike(Long momentId);
 }

src/main/java/com/cxx/food/service/impl/MomentServiceImpl.java

@@ -1,12 +1,13 @@
 package com.cxx.food.service.impl;
 
+import cn.dev33.satoken.stp.StpUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.cxx.food.dao.MomentDao;
 import com.cxx.food.dto.MomentDto;
-import com.cxx.food.entity.Comment;
+import com.cxx.food.entity.*;
-import com.cxx.food.entity.Moment;
-import com.cxx.food.entity.MomentImage;
 import com.cxx.food.mapper.CommentMapper;
+import com.cxx.food.mapper.MomentLikeMapper;
 import com.cxx.food.mapper.MomentImageMapper;
 import com.cxx.food.mapper.MomentMapper;
 import com.cxx.food.service.MomentService;
@@ -28,6 +29,9 @@ public class MomentServiceImpl implements MomentService {
     @Resource
     private CommentMapper commentMapper;
 
+    @Resource
+    private MomentLikeMapper momentLikeMapper;
+
     @Resource
     private MomentImageMapper momentImageMapper;
 
@@ -83,6 +87,41 @@ public class MomentServiceImpl implements MomentService {
         return commentMapper.insert(comment) == 1;
     }
 
+    @Override
+    public Boolean addLike(Long momentId) {
+        LambdaQueryWrapper<MomentLike> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.eq(MomentLike::getMomentId, momentId).eq(MomentLike::getCreateBy, StpUtil.getLoginIdAsString());
+        MomentLike like = momentLikeMapper.selectOne(queryWrapper);
+
+        if (like != null) {
+            if (like.getIsDelete() == 0) {
+                throw new CustomException("已经点赞了");
+            } else {
+                like.setIsDelete(0);
+                return momentLikeMapper.updateById(like) == 1;
+            }
+        }
+
+        MomentLike newLike = new MomentLike();
+        newLike.setMomentId(momentId);
+        newLike.setIsDelete(0);
+        return momentLikeMapper.insert(newLike) == 1;
+    }
+
+    @Override
+    public Boolean deleteLike(Long momentId) {
+        LambdaQueryWrapper<MomentLike> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.eq(MomentLike::getMomentId, momentId).eq(MomentLike::getCreateBy, StpUtil.getLoginIdAsString());
+        MomentLike like = momentLikeMapper.selectOne(queryWrapper);
+
+        if (like == null ) {
+            throw new CustomException("该朋友圈不存在");
+        }
+
+        like.setIsDelete(1);
+        return momentLikeMapper.updateById(like) == 1;
+    }
+
     private void deleteMomentImage(Long id) {
         momentImageMapper.delete(Wrappers.lambdaQuery(MomentImage.class).eq(MomentImage::getMomentId, id));
     }

src/main/resources/mapper/MomentMapper.xml

@@ -10,6 +10,9 @@
         <result property="date" column="date"/>
         <collection property="imageList" ofType="java.lang.String"
                     column="id" select="queryMomentImage"/>
+        <collection property="likeList" ofType="long"
+                    column="id" select="queryLike">
+        </collection>
         <collection property="commentList" ofType="com.cxx.food.dto.CommentDto"
                     column="id" select="queryComment">
         </collection>
@@ -23,6 +26,13 @@
         <result property="date" column="date"/>
     </resultMap>
 
+    <select id="queryLike" resultType="long">
+        SELECT a.create_by AS id
+        FROM moment_like AS a
+        WHERE moment_id = #{id}
+          AND a.is_delete = 0
+    </select>
+
     <select id="queryComment" resultMap="commentResultMap">
         SELECT a.id          AS id,
                b.username    AS username,