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use sqlx::{Transaction, sqlite::Sqlite};
use super::{History, repo::Provider as _, validate};
use crate::{
clock::DateTime,
event::{Broadcaster, Event, repo::Provider as _},
login::{self, Login, repo::Provider as _},
name::Name,
password::{Password, StoredHash},
};
#[must_use = "dropping a user creation attempt is likely a mistake"]
pub struct Create<'a> {
name: &'a Name,
password: &'a Password,
created_at: &'a DateTime,
}
impl<'a> Create<'a> {
pub fn begin(name: &'a Name, password: &'a Password, created_at: &'a DateTime) -> Self {
Self {
name,
password,
created_at,
}
}
pub fn validate(self) -> Result<Validated<'a>, Error> {
let Self {
name,
password,
created_at,
} = self;
if !validate::name(name) {
return Err(Error::InvalidName(name.clone()));
}
let password_hash = password.hash()?;
Ok(Validated {
name,
password: password_hash,
created_at,
})
}
}
#[must_use = "dropping a user creation attempt is likely a mistake"]
pub struct Validated<'a> {
name: &'a Name,
password: StoredHash,
created_at: &'a DateTime,
}
impl Validated<'_> {
pub async fn store(self, tx: &mut Transaction<'_, Sqlite>) -> Result<Stored, sqlx::Error> {
let Self {
name,
password,
created_at,
} = self;
let login = Login {
id: login::Id::generate(),
name: name.to_owned(),
};
let created = tx.sequence().next(created_at).await?;
tx.logins().create(&login, &password).await?;
let user = tx.users().create(&login, &created).await?;
Ok(Stored { user, login })
}
}
#[must_use = "dropping a user creation attempt is likely a mistake"]
pub struct Stored {
user: History,
login: Login,
}
impl Stored {
pub fn publish(self, broadcaster: &Broadcaster) {
let Self { user, login: _ } = self;
broadcaster.broadcast(user.events().map(Event::from).collect::<Vec<_>>());
}
pub fn login(&self) -> &Login {
&self.login
}
}
#[derive(Debug, thiserror::Error)]
pub enum Error {
#[error("invalid user name: {0}")]
InvalidName(Name),
#[error(transparent)]
PasswordHash(#[from] password_hash::Error),
}
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