ADD file via upload

src/main/java/com/service/FoodsMenuInfoService.java

@@ -0,0 +1,80 @@
+package com.example.service;
+
+import cn.hutool.core.collection.CollectionUtil;
+import com.example.dao.CollectInfoDao;
+import com.example.dao.FoodsMenuInfoDao;
+import com.example.dao.PraiseInfoDao;
+import com.example.entity.FoodsMenuInfo;
+import com.example.vo.FoodsMenuInfoVo;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.Comparator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+public class FoodsMenuInfoService {
+
+    @Resource
+    private FoodsMenuInfoDao foodsMenuInfoDao;
+    @Resource
+    private PraiseInfoDao praiseInfoDao;
+    @Resource
+    private CollectInfoDao collectInfoDao;
+
+    public FoodsMenuInfo add(FoodsMenuInfo info) {
+        foodsMenuInfoDao.insertSelective(info);
+        return info;
+    }
+
+    public void delete(Long id) {
+        foodsMenuInfoDao.deleteByPrimaryKey(id);
+    }
+
+    public void update(FoodsMenuInfo info) {
+        foodsMenuInfoDao.updateByPrimaryKeySelective(info);
+    }
+
+    public FoodsMenuInfoVo findById(Long id) {
+        List<FoodsMenuInfoVo> list = foodsMenuInfoDao.findByNameAndId(null, id, null);
+        if (!CollectionUtil.isEmpty(list)) {
+            FoodsMenuInfoVo foodsMenuInfoVo = list.get(0);
+            Integer count = praiseInfoDao.count(null, id);
+            foodsMenuInfoVo.setPraiseCount(count);
+
+            Integer collectCount = collectInfoDao.count(null, id);
+            foodsMenuInfoVo.setCollectCount(collectCount);
+            return foodsMenuInfoVo;
+        }
+        return new FoodsMenuInfoVo();
+    }
+
+    public List<FoodsMenuInfoVo> findAll() {
+        return foodsMenuInfoDao.findByNameAndId("all", null, null);
+    }
+
+    public PageInfo<FoodsMenuInfoVo> findPage(String name, Long classifyId, Integer pageNum, Integer pageSize) {
+        PageHelper.startPage(pageNum, pageSize);
+        List<FoodsMenuInfoVo> info = foodsMenuInfoDao.findByNameAndId(name, null, classifyId);
+        for (FoodsMenuInfoVo foodsMenuInfoVo : info) {
+            Long id = foodsMenuInfoVo.getId();
+            Integer count = praiseInfoDao.count(null, id);
+            foodsMenuInfoVo.setPraiseCount(count);
+
+            Integer collectCount = collectInfoDao.count(null, id);
+            foodsMenuInfoVo.setCollectCount(collectCount);
+        }
+        // 按点赞数排序
+        info = info.stream().sorted(Comparator.comparing(FoodsMenuInfoVo::getPraiseCount).reversed()).collect(Collectors.toList());
+        return PageInfo.of(info);
+    }
+
+    public PageInfo<FoodsMenuInfoVo> findPageByUser(String name, String username, Integer level, Integer pageNum, Integer pageSize) {
+        PageHelper.startPage(pageNum, pageSize);
+        List<FoodsMenuInfoVo> info = foodsMenuInfoDao.findByNameAndUser(name, username, level);
+        return PageInfo.of(info);
+    }
+}