// Package model is conversation persistence. One file per table.
package model

import "time"

// Conversation maps table conversations.
type Conversation struct {
	ID        int64     `gorm:"column:id;primaryKey;comment:Snowflake 会话 id，时间有序主键"`
	Type      int       `gorm:"column:type;comment:会话类型：1=单聊 2=群聊"`
	LastMsgID int64     `gorm:"column:last_msg_id;comment:最新消息 Snowflake id，0 表示尚无消息"`
	LastMsgAt time.Time `gorm:"column:last_msg_at;comment:最新消息时间（毫秒精度）"`
	CreatedAt time.Time `gorm:"column:created_at;comment:会话创建时间"`
}

func (Conversation) TableName() string { return "t_conversations" }