项目.zip

package com.itheima.reggie.controller; import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.itheima.reggie.common.R; import com.itheima.reggie.dto.DishDto; import com.itheima.reggie.entity.Category; import com.itheima.reggie.entity.Dish; import com.itheima.reggie.entity.DishFlavor; import com.itheima.reggie.service.CategoryService; import com.itheima.reggie.service.DishFlavorService; import com.itheima.reggie.service.DishService; import lombok.extern.slf4j.Slf4j; import org.apache.commons.lang.StringUtils; import org.springframework.beans.BeanUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.*; import java.util.List; import java.util.stream.Collectors; /** * 菜品管理 */ @RestController @RequestMapping("/dish") @Slf4j public class DishController { @Autowired private DishService dishService; @Autowired private DishFlavorService dishFlavorService; @Autowired private CategoryService categoryService; /** * 新增菜品 * @param dishDto * @return */ @PostMapping public R<String> save(@RequestBody DishDto dishDto){ log.info(dishDto.toString()); dishService.saveWithFlavor(dishDto); return R.success("新增菜品成功"); } /** * 菜品信息分页查询 * @param page * @param pageSize * @param name * @return */ @GetMapping("/page") public R<Page> page(int page,int pageSize,String name){ //构造分页构造器对象 Page<Dish> pageInfo = new Page<>(page,pageSize); Page<DishDto> dishDtoPage = new Page<>(); //条件构造器 LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>(); //添加过滤条件 queryWrapper.like(name != null,Dish::getName,name); //添加排序条件 queryWrapper.orderByDesc(Dish::getUpdateTime); //执行分页查询 dishService.page(pageInfo,queryWrapper); //对象拷贝 BeanUtils.copyProperties(pageInfo,dishDtoPage,"records"); List<Dish> records = pageInfo.getRecords(); List<DishDto> list = records.stream().map((item) -> { DishDto dishDto = new DishDto(); BeanUtils.copyProperties(item,dishDto); Long categoryId = item.getCategoryId();//分类id //根据id查询分类对象 Category category = categoryService.getById(categoryId); if(category != null){ String categoryName = category.getName(); dishDto.setCategoryName(categoryName); } return dishDto; }).collect(Collectors.toList()); dishDtoPage.setRecords(list); return R.success(dishDtoPage); } /** * 根据id查询菜品信息和对应的口味信息 * @param id * @return */ @GetMapping("/{id}") public R<DishDto> get(@PathVariable Long id){ DishDto dishDto = dishService.getByIdWithFlavor(id); return R.success(dishDto); } /** * 修改菜品 * @param dishDto * @return */ @PutMapping public R<String> update(@RequestBody DishDto dishDto){ log.info(dishDto.toString()); dishService.updateWithFlavor(dishDto); return R.success("修改菜品成功"); } /** * 根据条件查询对应的菜品数据 * @param dish * @return */ /*@GetMapping("/list") public R<List<Dish>> list(Dish dish){ //构造查询条件 LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>(); queryWrapper.eq(dish.getCategoryId() != null ,Dish::getCategoryId,dish.getCategoryId()); //添加条件，查询状态为1（起售状态）的菜品 queryWrapper.eq(Dish::getStatus,1); //添加排序条件 queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime); List<Dish> list = dishService.list(queryWrapper); return R.success(list); }*/ @GetMapping("/list") public R<List<DishDto>> list(Dish dish){ //构造查询条件 LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>(); queryWrapper.eq(dish.getCategoryId() != null ,Dish::getCategoryId,dish.getCategoryId()); //添加条件，查询状态为1（起售状态）的菜品 queryWrapper.eq(Dish::getStatus,1); //添加排序条件 queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime); List<Dish> list = dishService.list(queryWrapper); List<DishDto> dishDtoList = list.stream().map((item) -> { DishDto dishDto = new DishDto(); BeanUtils.copyProperties(item,dishDto); Long categoryId = item.getCategoryId();//分类id //根据id查询分类对象 Category category = categoryService.getById(categoryId); if(category != null){ String categoryName = category.getName(); dishDto.setCategoryName(categoryName); } //当前菜品的id Long dishId = item.getId(); LambdaQueryWrapper<DishFlavor> lambdaQueryWrapper = new LambdaQueryWrapper<>(); lambdaQueryWrapper.eq(DishFlavor::getDishId,dishId); //SQL:select * from dish_flavor where dish_id = ? List<DishFlavor> dishFlavorList = dishFlavorService.list(lambdaQueryWrapper); dishDto.setFlavors(dishFlavorList); return dishDto; }).collect(Collectors.toList()); return R.success(dishDtoList); } /** * 对菜品批量或者是单个 进行停售或者是起售 * @return */ @PostMapping("/status/{status}") //这个参数这里一定记得加注解才能获取到参数，否则这里非常容易出问题 public R<String> status(@PathVariable("status") Integer status,@RequestParam List<Long> ids){ //log.info("status:{}",status); //log.info("ids:{}",ids); LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper(); queryWrapper.in(ids !=null,Dish::getId,ids); //根据数据进行批量查询 List<Dish> list = dishService.list(queryWrapper); for (Dish dish : list) { if (dish != null){ dish.setStatus(status); dishService.updateById(dish); } } return R.success("售卖状态修改成功"); } /** * 套餐批量删除和单个删除 * @return */ @DeleteMapping public R<String> delete(@RequestParam("ids") List<Long> ids){ //删除菜品 这里的删除是逻辑删除 dishService.deleteByIds(ids); //删除菜品对应的口味 也是逻辑删除 LambdaQueryWrapper<DishFlavor> queryWrapper = new LambdaQueryWrapper<>(); queryWrapper.in(DishFlavor::getDishId,ids); dishFlavorService.remove(queryWrapper); return R.success("菜品删除成功"); } }