101 lines
3.5 KiB
Java
101 lines
3.5 KiB
Java
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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.DishDTO;
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import com.sky.dto.DishPageQueryDTO;
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import com.sky.entity.Dish;
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import com.sky.entity.DishFlavor;
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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.DishFlavorMapper;
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import com.sky.mapper.DishMapper;
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import com.sky.mapper.Setmeal_dishMapper;
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import com.sky.result.PageResult;
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import com.sky.service.DishService;
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import com.sky.vo.DishVO;
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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 DishServiceImpl implements DishService {
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@Autowired
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private DishMapper dishMapper;
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@Autowired
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private DishFlavorMapper dishFlavorMapper;
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@Autowired
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private Setmeal_dishMapper setmeal_dishMapper;
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@Override
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public void addDish(DishDTO dishDTO) {
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Dish dish=new Dish();
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BeanUtils.copyProperties(dishDTO,dish);
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dishMapper.insert(dish);
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Long dishId=dish.getId();
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List<DishFlavor> flavorList=dishDTO.getFlavors();
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for(DishFlavor flavor:flavorList){
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flavor.setDishId(dishId);
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}
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dishFlavorMapper.insertBatch(flavorList);
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}
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@Override
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public PageResult pageQuery(DishPageQueryDTO dishPageQueryDTO) {
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PageHelper.startPage(dishPageQueryDTO.getPage(),dishPageQueryDTO.getPageSize());
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List<DishVO> dishVOList=dishMapper.list(dishPageQueryDTO);
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Page<DishVO> p= (Page<DishVO>) dishVOList;
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PageResult pageResult=new PageResult(p.getTotal(),p.getResult());
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return pageResult;
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}
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@Override
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@Transactional
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public void deleteBatch(Long[] ids) {
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for(Long id:ids){
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Dish dish=dishMapper.queryById(id);
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if(dish.getStatus()== StatusConstant.ENABLE)
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throw new DeletionNotAllowedException(MessageConstant.DISH_ON_SALE);
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else{
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SetmealDish setmealDish=setmeal_dishMapper.queryByDishId(id);
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if(setmealDish!=null)
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throw new DeletionNotAllowedException(MessageConstant.DISH_BE_RELATED_BY_SETMEAL);
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else {
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dishMapper.deleteById(id);
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dishFlavorMapper.deleteByDishId(id);
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}
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}
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}
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}
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@Override
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public DishVO queryByIdWithFlavor(Long id) {
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Dish dish=dishMapper.queryById(id);
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DishVO dishVO=new DishVO();
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BeanUtils.copyProperties(dish,dishVO);
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List<DishFlavor> dishFlavors=dishFlavorMapper.queryByDishId(id);
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dishVO.setFlavors(dishFlavors);
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return dishVO;
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}
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@Override
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public void update(DishDTO dishDTO) {
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Dish dish=new Dish();
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BeanUtils.copyProperties(dishDTO,dish);
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dishMapper.update(dish);
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dishFlavorMapper.deleteByDishId(dishDTO.getId()); //先删再添加口味，不要在原来的上面修改！原来可能2种口味，现在3种，也无法修改！
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List<DishFlavor> flavors = dishDTO.getFlavors();
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if (flavors != null && flavors.size() > 0) {
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flavors.forEach(dishFlavor -> {
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dishFlavor.setDishId(dishDTO.getId());
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});
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//向口味表插入n条数据
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dishFlavorMapper.insertBatch(flavors);
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}
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}
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}
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