104 lines
3.2 KiB
Java
104 lines
3.2 KiB
Java
package com.sky.service.impl;
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import com.github.pagehelper.Page;
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import com.github.pagehelper.PageHelper;
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import com.sky.constant.MessageConstant;
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import com.sky.constant.StatusConstant;
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import com.sky.dto.SetmealDTO;
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import com.sky.dto.SetmealPageQueryDTO;
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import com.sky.entity.Dish;
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import com.sky.entity.Setmeal;
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import com.sky.entity.SetmealDish;
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import com.sky.exception.DeletionNotAllowedException;
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import com.sky.mapper.SetmealDishMapper;
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import com.sky.mapper.SetmealMapper;
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import com.sky.result.PageResult;
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import com.sky.service.SetmealService;
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import com.sky.vo.SetmealVO;
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import org.springframework.beans.BeanUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.util.List;
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@Service
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public class SetmealServiceImpl implements SetmealService {
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@Autowired
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private SetmealMapper setmealMapper;
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@Autowired
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private SetmealDishMapper setmealDishMapper;
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/**
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* 套餐分页查询
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* @param setmealPageQueryDTO
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* @return
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*/
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@Override
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public PageResult pageQuery(SetmealPageQueryDTO setmealPageQueryDTO) {
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//设置分页
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PageHelper.startPage(setmealPageQueryDTO.getPage(), setmealPageQueryDTO.getPageSize());
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Page<Setmeal> page = setmealMapper.pageQuery(setmealPageQueryDTO);
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return new PageResult(page.getTotal(),page.getResult());
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}
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/**
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* 新增套餐
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* @param setmealDTO
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*/
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@Override
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@Transactional
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public void insert(SetmealDTO setmealDTO) {
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//插入套餐信息
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Setmeal setmeal = new Setmeal();
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BeanUtils.copyProperties(setmealDTO,setmeal);
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setmealMapper.insert(setmeal);
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//插入套餐包含菜品的信息
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List<SetmealDish> setmealDishes = setmealDTO.getSetmealDishes();
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//设置setmealId
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setmealDishes.forEach(setmealDish -> setmealDish.setSetmealId(setmeal.getId()));
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setmealDishMapper.insertBatch(setmealDishes);
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}
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/**
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* 批量删除套餐
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* @param ids
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*/
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@Override
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@Transactional
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public void deleteBatch(List<Long> ids) {
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//查看套餐是否有在售状态
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for (Long id : ids) {
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Setmeal setmeal = setmealMapper.selectById(id);
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if (setmeal.getStatus().equals(StatusConstant.ENABLE)) {
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throw new DeletionNotAllowedException(MessageConstant.SETMEAL_ON_SALE);
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}
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}
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//批量删除套餐（动态SQL）
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//删除setmeal数据
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setmealMapper.deleteBatch(ids);
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//删除setmeal_dish数据
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setmealDishMapper.deleteBySetmealIds(ids);
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}
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/**
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* 根据id查询套餐（及关联菜品）
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* @param id
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* @return
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*/
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@Override
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public SetmealVO getByIdWithSetmealDishes(Long id) {
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SetmealVO setmealVO = new SetmealVO();
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//查询基本套餐信息
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Setmeal setmeal = setmealMapper.selectById(id);
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BeanUtils.copyProperties(setmeal,setmealVO);
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//查询对应菜品信息
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List<SetmealDish> setmealDishes = setmealDishMapper.selectBySetmealId(id);
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setmealVO.setSetmealDishes(setmealDishes);
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return setmealVO;
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}
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}
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