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use sqlx::{sqlite::Sqlite, SqliteConnection, Transaction};
use crate::{id::Id as BaseId, password::StoredHash};
pub trait Provider {
fn logins(&mut self) -> Logins;
}
impl<'c> Provider for Transaction<'c, Sqlite> {
fn logins(&mut self) -> Logins {
Logins(self)
}
}
pub struct Logins<'t>(&'t mut SqliteConnection);
// This also implements FromRequestParts (see `./extract.rs`). As a result, it
// can be used as an extractor for endpoints that want to require login, or for
// endpoints that need to behave differently depending on whether the client is
// or is not logged in.
#[derive(Clone, Debug, Eq, PartialEq, serde::Serialize)]
pub struct Login {
pub id: Id,
pub name: String,
// The omission of the hashed password is deliberate, to minimize the
// chance that it ends up tangled up in debug output or in some other chunk
// of logic elsewhere.
}
impl<'c> Logins<'c> {
pub async fn create(
&mut self,
name: &str,
password_hash: &StoredHash,
) -> Result<Login, sqlx::Error> {
let id = Id::generate();
let login = sqlx::query_as!(
Login,
r#"
insert or fail
into login (id, name, password_hash)
values ($1, $2, $3)
returning
id as "id: Id",
name
"#,
id,
name,
password_hash,
)
.fetch_one(&mut *self.0)
.await?;
Ok(login)
}
}
impl<'t> From<&'t mut SqliteConnection> for Logins<'t> {
fn from(tx: &'t mut SqliteConnection) -> Self {
Self(tx)
}
}
// Stable identifier for a [Login]. Prefixed with `L`.
#[derive(Clone, Debug, Eq, PartialEq, sqlx::Type, serde::Serialize)]
#[sqlx(transparent)]
pub struct Id(BaseId);
impl From<BaseId> for Id {
fn from(id: BaseId) -> Self {
Self(id)
}
}
impl Id {
pub fn generate() -> Self {
BaseId::generate("L")
}
}
impl std::fmt::Display for Id {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
self.0.fmt(f)
}
}
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