// Package model is mailbox and device-sync-cursor persistence. One file per table.
package model

import "time"

// MailboxEvent maps table mailbox_events. Successful online pushes do not write this table.
type MailboxEvent struct {
	ID             int64     `gorm:"column:id;primaryKey;comment:Snowflake 事件 id"`
	UserID         int64     `gorm:"column:user_id;comment:接收用户"`
	DeviceID       int64     `gorm:"column:device_id;comment:目标设备；0 表示该用户全部设备"`
	Seq            int64     `gorm:"column:seq;comment:该 user+device 上单调递增的邮箱序号"`
	EventType      int16     `gorm:"column:event_type;comment:事件类型：撤回/踢人/成员变更/好友/漏推消息等，不含成功在线推送的新消息"`
	ConversationID *int64    `gorm:"column:conversation_id;comment:相关会话，可空"`
	Payload        []byte    `gorm:"column:payload;comment:控制事件载荷（会话 id+消息 id 等），不含消息正文"`
	CreatedAt      time.Time `gorm:"column:created_at;comment:写入时间"`
}

func (MailboxEvent) TableName() string { return "t_mailbox_events" }