content: 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.SetmealDto;
  import com.itheima.reggie.entity.Category;
  import com.itheima.reggie.entity.Setmeal;
  import com.itheima.reggie.service.CategoryService;
  import com.itheima.reggie.service.SetmealDishService;
  import com.itheima.reggie.service.SetmealService;
  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;
  
  /**
   * 套餐管理
   */
  
  @RestController
  @RequestMapping("/setmeal")
  @Slf4j
  public class SetmealController {
  
      @Autowired
      private SetmealService setmealService;
  
      @Autowired
      private CategoryService categoryService;
  
      @Autowired
      private SetmealDishService setmealDishService;
  
      /**
       * 新增套餐
       * @param setmealDto
       * @return
       */
      @PostMapping
      public R<String> save(@RequestBody SetmealDto setmealDto){
          log.info("套餐信息：{}",setmealDto);
          setmealService.saveWithDish(setmealDto);
          return R.success("新增套餐成功");
      }
  
      /**
       * 套餐分页查询
       * @param page
       * @param pageSize
       * @param name
       * @return
       */
      @GetMapping("/page")
      public R<Page> page(int page,int pageSize,String name){
          //分页构造器对象
          Page<Setmeal> pageInfo = new Page<>(page,pageSize);
          Page<SetmealDto> dtoPage = new Page<>();
  
          LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
          //添加查询条件，根据name进行like模糊查询
          queryWrapper.like(name != null,Setmeal::getName,name);
          //添加排序条件，根据更新时间降序排列
          queryWrapper.orderByDesc(Setmeal::getUpdateTime);
  
          setmealService.page(pageInfo,queryWrapper);
  
          //对象拷贝
          BeanUtils.copyProperties(pageInfo,dtoPage,"records");
          List<Setmeal> records = pageInfo.getRecords();
  
          List<SetmealDto> list = records.stream().map((item) -> {
              SetmealDto setmealDto = new SetmealDto();
              //对象拷贝
              BeanUtils.copyProperties(item,setmealDto);
              //分类id
              Long categoryId = item.getCategoryId();
              //根据分类id查询分类对象
              Category category = categoryService.getById(categoryId);
              if(category != null){
                  //分类名称
                  String categoryName = category.getName();
                  setmealDto.setCategoryName(categoryName);
              }
              return setmealDto;
          }).collect(Collectors.toList());
  
          dtoPage.setRecords(list);
          return R.success(dtoPage);
      }
  
      /**
       * 删除套餐
       * @param ids
       * @return
       */
      @DeleteMapping
      public R<String> delete(@RequestParam List<Long> ids){
          log.info("ids:{}",ids);
  
          setmealService.removeWithDish(ids);
  
          return R.success("套餐数据删除成功");
      }
  
      /**
       * 根据条件查询套餐数据
       * @param setmeal
       * @return
       */
      @GetMapping("/list")
      public R<List<Setmeal>> list(Setmeal setmeal){
          LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
          queryWrapper.eq(setmeal.getCategoryId() != null,Setmeal::getCategoryId,setmeal.getCategoryId());
          queryWrapper.eq(setmeal.getStatus() != null,Setmeal::getStatus,setmeal.getStatus());
          queryWrapper.orderByDesc(Setmeal::getUpdateTime);
  
          List<Setmeal> list = setmealService.list(queryWrapper);
  
          return R.success(list);
      }
  }
  