feat:新增点赞接口

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.Moment;
-import com.cxx.food.entity.MomentImage;
+import com.cxx.food.entity.*;
 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));
     }