package model

import "time"

type OrderStatus string

const (
	OrderPending  OrderStatus = "pending"  // 待支付
	OrderPaid     OrderStatus = "paid"     // 已支付
	OrderClosed   OrderStatus = "closed"   // 已关闭/超时
	OrderRefunded OrderStatus = "refunded" // 已退款
)

// Order 一笔收款订单。OutTradeNo 是我们生成的商户订单号，贯穿下单/回调/查单。
type Order struct {
	Base
	OutTradeNo   string      `gorm:"uniqueIndex;size:64;not null" json:"out_trade_no"`
	MerchantID   uint64      `gorm:"index;not null" json:"merchant_id"`
	Channel      string      `gorm:"size:16" json:"channel"`
	ProductID    uint64      `json:"product_id"`
	Subject      string      `gorm:"size:128" json:"subject"`
	Amount       string      `gorm:"size:20;not null" json:"amount"` // 权威金额，回调/查单核对用
	Status       OrderStatus `gorm:"index;size:16;not null" json:"status"`
	TradeNo      string      `gorm:"index;size:64" json:"trade_no"` // 支付宝交易号
	BuyerLogonID string      `gorm:"size:128" json:"buyer_logon_id"`
	PaidAt       *time.Time  `json:"paid_at"`
	ClientIP     string      `gorm:"size:64" json:"client_ip"`
}