use crate::db::UserId;use sea_orm::entity::prelude::*;use serde::Serialize; /// A user model.#[derive(Clone, Debug, Default, PartialEq, Eq, DeriveEntityModel, Serialize)]#[sea_orm(table_name = "users")]pub struct Model {    #[sea_orm(primary_key)]    pub id: UserId,    pub admin: bool,    pub connected_once: bool,} #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]pub enum Relation {    #[sea_orm(has_one = "super::room_participant::Entity")]    RoomParticipant,    #[sea_orm(has_many = "super::project::Entity")]    HostedProjects,    #[sea_orm(has_many = "super::channel_member::Entity")]    ChannelMemberships,} impl Related<super::room_participant::Entity> for Entity {    fn to() -> RelationDef {        Relation::RoomParticipant.def()    }} impl Related<super::project::Entity> for Entity {    fn to() -> RelationDef {        Relation::HostedProjects.def()    }} impl Related<super::channel_member::Entity> for Entity {    fn to() -> RelationDef {        Relation::ChannelMemberships.def()    }} impl ActiveModelBehavior for ActiveModel {}