sea-orm/issues/400/src/model.rs

80 lines
2.0 KiB
Rust

use std::marker::PhantomData;
use sea_orm::entity::prelude::*;
#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
#[sea_orm(table_name = "model")]
pub struct Model {
#[sea_orm(primary_key)]
pub id: AccountId<String>,
pub name: String,
}
#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
pub enum Relation {}
impl ActiveModelBehavior for ActiveModel {}
#[derive(Clone, Debug, PartialEq)]
pub struct AccountId<T>(Uuid, PhantomData<T>);
impl<T> AccountId<T> {
pub fn new(id: Uuid) -> Self {
AccountId(id, PhantomData)
}
}
impl<T> From<AccountId<T>> for Uuid {
fn from(account_id: AccountId<T>) -> Self {
account_id.0
}
}
impl<T> sea_orm::TryFromU64 for AccountId<T> {
fn try_from_u64(_n: u64) -> Result<Self, sea_orm::DbErr> {
Err(sea_orm::DbErr::Exec(format!(
"{} cannot be converted from u64",
stringify!(AccountId<T>)
)))
}
}
impl<T> From<AccountId<T>> for sea_orm::Value {
fn from(source: AccountId<T>) -> Self {
sea_orm::Value::Uuid(Some(Box::new(source.into())))
}
}
impl<T> sea_orm::TryGetable for AccountId<T> {
fn try_get(
res: &sea_orm::QueryResult,
pre: &str,
col: &str,
) -> Result<Self, sea_orm::TryGetError> {
let val: Uuid = res.try_get(pre, col).map_err(sea_orm::TryGetError::DbErr)?;
Ok(AccountId::<T>::new(val))
}
}
impl<T> sea_orm::sea_query::Nullable for AccountId<T> {
fn null() -> sea_orm::Value {
sea_orm::Value::Uuid(None)
}
}
impl<T> sea_orm::sea_query::ValueType for AccountId<T> {
fn try_from(v: sea_orm::Value) -> Result<Self, sea_orm::sea_query::ValueTypeErr> {
match v {
sea_orm::Value::Uuid(Some(x)) => Ok(AccountId::<T>::new(*x)),
_ => Err(sea_orm::sea_query::ValueTypeErr),
}
}
fn type_name() -> String {
stringify!(AccountId).to_owned()
}
fn column_type() -> sea_orm::sea_query::ColumnType {
sea_orm::sea_query::ColumnType::Uuid
}
}