package model

import (
	"encoding/json"

	"gorm.io/gorm"
)

const (
	ItemStateOnSale = "onsale"
)

// type 是外部输入的 []int 类型，需要转换成 string 类型存储到数据库
type ItemModel struct {
	BaseModel
	Itemname   string
	Types      []int `gorm:"-"`
	TypeString string
	Price      int
	Desc       string
	Img        string
	States     string
}

func (m *ItemModel) TableName() string {
	return "items"
}
func (i *ItemModel) BeforeCreate(tx *gorm.DB) (err error) {
	types_string, _ := json.Marshal(i.Types)
	i.TypeString = string(types_string)
	return
}

func (i *ItemModel) AfterFind(tx *gorm.DB) (err error) {
	err = json.Unmarshal([]byte(i.TypeString), &i.Types)
	return
}