use chrono::{DateTime, Utc}; use serde::{Deserialize, Serialize}; use sqlx::FromRow; use uuid::Uuid; #[derive(Debug, Clone, PartialEq, Serialize, Deserialize, FromRow)] pub struct WkGpMemberModel { pub user: Uuid, pub gp: Uuid, pub join_at: DateTime, pub leave_at: Option>, }