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|
use sqlx::{sqlite::Sqlite, SqliteConnection, Transaction};
use crate::{
clock::DateTime,
event::{Instant, ResumePoint, Sequence},
login::{password::StoredHash, History, Id, Login},
};
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);
impl<'c> Logins<'c> {
pub async fn create(
&mut self,
name: &str,
password_hash: &StoredHash,
created: &Instant,
) -> Result<History, sqlx::Error> {
let id = Id::generate();
let login = sqlx::query!(
r#"
insert
into login (id, name, password_hash, created_sequence, created_at)
values ($1, $2, $3, $4, $5)
returning
id as "id: Id",
name,
created_sequence as "created_sequence: Sequence",
created_at as "created_at: DateTime"
"#,
id,
name,
password_hash,
created.sequence,
created.at,
)
.map(|row| History {
login: Login {
id: row.id,
name: row.name,
},
created: Instant {
at: row.created_at,
sequence: row.created_sequence,
},
})
.fetch_one(&mut *self.0)
.await?;
Ok(login)
}
pub async fn all(&mut self, resume_at: ResumePoint) -> Result<Vec<History>, sqlx::Error> {
let channels = sqlx::query!(
r#"
select
id as "id: Id",
name,
created_sequence as "created_sequence: Sequence",
created_at as "created_at: DateTime"
from login
where coalesce(created_sequence <= $1, true)
order by created_sequence
"#,
resume_at,
)
.map(|row| History {
login: Login {
id: row.id,
name: row.name,
},
created: Instant {
at: row.created_at,
sequence: row.created_sequence,
},
})
.fetch_all(&mut *self.0)
.await?;
Ok(channels)
}
pub async fn replay(&mut self, resume_at: ResumePoint) -> Result<Vec<History>, sqlx::Error> {
let messages = sqlx::query!(
r#"
select
id as "id: Id",
name,
created_sequence as "created_sequence: Sequence",
created_at as "created_at: DateTime"
from login
where coalesce(login.created_sequence > $1, true)
"#,
resume_at,
)
.map(|row| History {
login: Login {
id: row.id,
name: row.name,
},
created: Instant {
at: row.created_at,
sequence: row.created_sequence,
},
})
.fetch_all(&mut *self.0)
.await?;
Ok(messages)
}
}
impl<'t> From<&'t mut SqliteConnection> for Logins<'t> {
fn from(tx: &'t mut SqliteConnection) -> Self {
Self(tx)
}
}
|
