use crate::db::{ProjectCollaboratorId, ProjectId, ReplicaId, ServerId, UserId};use rpc::ConnectionId;use sea_orm::entity::prelude::*; #[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]#[sea_orm(table_name = "project_collaborators")]pub struct Model {    #[sea_orm(primary_key)]    pub id: ProjectCollaboratorId,    pub project_id: ProjectId,    pub connection_id: i32,    pub connection_server_id: ServerId,    pub user_id: UserId,    pub replica_id: ReplicaId,    pub is_host: bool,} impl Model {    pub fn connection(&self) -> ConnectionId {        ConnectionId {            owner_id: self.connection_server_id.0 as u32,            id: self.connection_id as u32,        }    }} #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]pub enum Relation {    #[sea_orm(        belongs_to = "super::project::Entity",        from = "Column::ProjectId",        to = "super::project::Column::Id"    )]    Project,} impl Related<super::project::Entity> for Entity {    fn to() -> RelationDef {        Relation::Project.def()    }} impl ActiveModelBehavior for ActiveModel {}