package storehouse

import (
	"fmt"
	"server/dao/godown"
)

type GoodsGenreService struct{}

func (cgs *GoodsGenreService) QueryAllGoodsGenre() ([]godown.GoodsGenre, error) {
	return godown.QueryAllGoodsGenres()
}

func (cgs *GoodsGenreService) CreateGoodsGenre(cg godown.GoodsGenre) error {
	return cg.CreateGoodsGenre()
}

func (cgs *GoodsGenreService) UpdateGoodsGenre(cg godown.GoodsGenre) error {
	return cg.UpdateGoodsGenre()
}

func (cgs *GoodsGenreService) DeleteGoodsGenre(id int) error {
	goods, err := godown.QueryGoodsByGenre(id)
	if err != nil {
		return err
	}
	if len(goods) > 0 {
		return fmt.Errorf("数据已被使用")
	}
	return godown.DeleteGoodsGenre(id)
}