苍穹外卖--新增菜品-功能实现

sky-server/src/main/java/com/sky/controller/admin/DishController.java

@@ -0,0 +1,33 @@
+package com.sky.controller.admin;
+
+import com.sky.dto.DishDTO;
+import com.sky.result.Result;
+import com.sky.service.DishService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@Slf4j
+@Api(tags = "菜品相关接口")
+@RequestMapping("/admin/dish")
+public class DishController {
+
+    @Autowired
+    private DishService dishService;
+
+
+    @PostMapping
+    @ApiOperation("新增菜品")
+    public Result add(@RequestBody DishDTO dto){
+        log.info("新增菜品：{}",dto);
+        dishService.saveDishWitchFlavor(dto);
+
+        return Result.success();
+    }
+}

sky-server/src/main/java/com/sky/mapper/DishFlavorMapper.java

@@ -0,0 +1,15 @@
+package com.sky.mapper;
+
+import com.sky.entity.DishFlavor;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+@Mapper
+public interface DishFlavorMapper {
+    /**
+     * 菜品口味的批量插入
+     * @param flavors
+     */
+    void insertBath(List<DishFlavor> flavors);
+}

sky-server/src/main/java/com/sky/mapper/DishMapper.java

@@ -1,6 +1,10 @@
 package com.sky.mapper;
 
+import com.sky.annotation.AutoFill;
+import com.sky.entity.Dish;
+import com.sky.enumeration.OperationType;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Options;
 import org.apache.ibatis.annotations.Select;
 
 @Mapper
@@ -14,4 +18,10 @@ public interface DishMapper {
     @Select("select count(id) from dish where category_id = #{categoryId}")
     Integer countByCategoryId(Long categoryId);
 
+    /**
+     * 新增菜品
+     * @param dish
+     */
+    @AutoFill(OperationType.INSERT)
+    void insert(Dish dish);
 }

sky-server/src/main/java/com/sky/service/DishService.java

@@ -0,0 +1,10 @@
+package com.sky.service;
+
+import com.sky.dto.DishDTO;
+
+public interface DishService {
+    /*
+    新增菜品和它的口味
+     */
+    void saveDishWitchFlavor(DishDTO dto);
+}

sky-server/src/main/java/com/sky/service/impl/DishServiceImpl.java

@@ -0,0 +1,49 @@
+package com.sky.service.impl;
+
+import com.sky.dto.DishDTO;
+import com.sky.entity.Dish;
+import com.sky.entity.DishFlavor;
+import com.sky.mapper.DishFlavorMapper;
+import com.sky.mapper.DishMapper;
+import com.sky.service.DishService;
+import org.springframework.beans.BeanUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+
+@Service
+public class DishServiceImpl implements DishService {
+    @Autowired
+    private DishMapper dishMapper;
+
+    @Autowired
+    private DishFlavorMapper dishFlavorMapper;
+
+
+    /*
+        新增菜品和它的口味
+         */
+    @Override
+    @Transactional //启用spring的事务操作，让菜品的添加和口味的添加，同时成功或失败
+    public void saveDishWitchFlavor(DishDTO dto) {
+        //添加一条Dish数据
+        Dish dish = new Dish();
+        BeanUtils.copyProperties(dto,dish);
+        //注意：新增菜品时，要通过主键回显，获取数据库生成的id
+        dishMapper.insert(dish);
+        //如果有口味数据，添加DishFlavor数据
+        List<DishFlavor> flavors = dto.getFlavors();
+        if (flavors != null && flavors.size() > 0) {
+            //插入菜品口味数据之前，先将菜品的id补充完整
+//            flavors.forEach(flaver->flaver.setDishId(dish.getId()));
+            for (DishFlavor flavor : flavors) {
+                flavor.setDishId(dish.getId());
+            }
+            //菜品口味的插入(可以遍历逐个insert，也可以批量插入)
+            dishFlavorMapper.insertBath(flavors);
+        }
+
+    }
+}

sky-server/src/main/resources/mapper/DishFlavorMapper.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
+<mapper namespace="com.sky.mapper.DishFlavorMapper">
+
+    <insert id="insertBath">
+        insert into dish_flavor(dish_id, name, value)
+        values
+        <foreach collection="flavors" item="flavor" separator=",">
+        (#{flavor.dishId},#{flavor.name},#{flavor.value})
+        </foreach>
+    </insert>
+</mapper>

sky-server/src/main/resources/mapper/DishMapper.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
+<mapper namespace="com.sky.mapper.DishMapper">
+
+    <insert id="insert" useGeneratedKeys="true" keyProperty="id">
+        insert into dish (name, category_id, price, image, description, create_time, update_time, create_user, update_user,status)
+        values (#{name},#{categoryId},#{price},#{image},#{description},#{createTime},#{updateTime},#{createUser},#{updateUser},#{status})
+    </insert>
+</mapper>