package productsmodel

import (
	"github.com/qit-team/snow-core/db"
	"sync"
	"time"
)

var (
	once sync.Once
	m    *ProductsModel
)

// 实体
type Products struct {
	Id             string    `xorm:"'id' UNSIGNED BIGINT pk autoincr"`
	Name           string    `xorm:"'name' varchar(255)"`
	MainImage      string    `xorm:"'main_image' varchar(255)"`
	Brand          string    `xorm:"'brand' varchar(100)"`
	BrandId        int       `xorm:"'brand_id' int(10)"`
	Stock          string    `xorm:"'stock' UNSIGNED INT"`
	ShowPrice      string    `xorm:"'show_price' decimal(10,2)"`
	Price          string    `xorm:"'price' decimal(10,2)"`
	Type           string    `xorm:"'type' UNSIGNED TINYINT"`
	CreateTime     time.Time `xorm:"'create_time' datetime"`
	UpdateTime     time.Time `xorm:"'update_time' datetime"`
	Deleted        time.Time `xorm:"'Deleted' datetime"`
	Status         string    `xorm:"'status' UNSIGNED TINYINT"`
	Description    string    `xorm:"'description' varchar(500)"`
	ThirdProductId int       `xorm:"'third_product_Id' int(0)"`
}

type MilkProductsList struct {
	Products `xorm:"extends"`
	Flag     string `xorm:"'flag' varchar(50)"`
}

// 表名
func (m *Products) TableName() string {
	return "Products"
}

// 私有化，防止被外部new
type ProductsModel struct {
	db.Model //组合基础Model，集成基础Model的属性和方法
}

// 单例模式
func GetInstance() *ProductsModel {
	once.Do(func() {
		m = new(ProductsModel)
		//m.DiName = "" //设置数据库实例连接，默认db.SingletonMain
	})
	return m
}