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use async_trait::async_trait;
use eyre::{eyre, Result};
use sqlx::postgres::PgPoolOptions;
use crate::settings::HISTORY_PAGE_SIZE;
use super::models::{History, NewHistory, NewSession, NewUser, Session, User};
#[async_trait]
pub trait Database {
async fn get_session(&self, token: &str) -> Result<Session>;
async fn get_session_user(&self, token: &str) -> Result<User>;
async fn add_session(&self, session: &NewSession) -> Result<()>;
async fn get_user(&self, username: String) -> Result<User>;
async fn get_user_session(&self, u: &User) -> Result<Session>;
async fn add_user(&self, user: NewUser) -> Result<i64>;
async fn count_history(&self, user: &User) -> Result<i64>;
async fn list_history(
&self,
user: &User,
created_since: chrono::NaiveDateTime,
since: chrono::NaiveDateTime,
host: String,
) -> Result<Vec<History>>;
async fn add_history(&self, history: &[NewHistory]) -> Result<()>;
}
#[derive(Clone)]
pub struct Postgres {
pool: sqlx::Pool<sqlx::postgres::Postgres>,
}
impl Postgres {
pub async fn new(uri: &str) -> Result<Self, sqlx::Error> {
let pool = PgPoolOptions::new()
.max_connections(100)
.connect(uri)
.await?;
sqlx::migrate!("./migrations").run(&pool).await?;
Ok(Self { pool })
}
}
#[async_trait]
impl Database for Postgres {
async fn get_session(&self, token: &str) -> Result<Session> {
let res: Option<Session> =
sqlx::query_as::<_, Session>("select * from sessions where token = $1")
.bind(token)
.fetch_optional(&self.pool)
.await?;
if let Some(s) = res {
Ok(s)
} else {
Err(eyre!("could not find session"))
}
}
async fn get_user(&self, username: String) -> Result<User> {
let res: Option<User> =
sqlx::query_as::<_, User>("select * from users where username = $1")
.bind(username)
.fetch_optional(&self.pool)
.await?;
if let Some(u) = res {
Ok(u)
} else {
Err(eyre!("could not find user"))
}
}
async fn get_session_user(&self, token: &str) -> Result<User> {
let res: Option<User> = sqlx::query_as::<_, User>(
"select * from users
inner join sessions
on users.id = sessions.user_id
and sessions.token = $1",
)
.bind(token)
.fetch_optional(&self.pool)
.await?;
if let Some(u) = res {
Ok(u)
} else {
Err(eyre!("could not find user"))
}
}
async fn count_history(&self, user: &User) -> Result<i64> {
let res: (i64,) = sqlx::query_as(
"select count(1) from history
where user_id = $1",
)
.bind(user.id)
.fetch_one(&self.pool)
.await?;
Ok(res.0)
}
async fn list_history(
&self,
user: &User,
created_since: chrono::NaiveDateTime,
since: chrono::NaiveDateTime,
host: String,
) -> Result<Vec<History>> {
let res = sqlx::query_as::<_, History>(
"select * from history
where user_id = $1
and hostname != $2
and created_at >= $3
and timestamp >= $4
order by timestamp asc
limit $5",
)
.bind(user.id)
.bind(host)
.bind(created_since)
.bind(since)
.bind(HISTORY_PAGE_SIZE)
.fetch_all(&self.pool)
.await?;
Ok(res)
}
async fn add_history(&self, history: &[NewHistory]) -> Result<()> {
let mut tx = self.pool.begin().await?;
for i in history {
sqlx::query(
"insert into history
(client_id, user_id, hostname, timestamp, data)
values ($1, $2, $3, $4, $5)
on conflict do nothing
",
)
.bind(i.client_id)
.bind(i.user_id)
.bind(i.hostname)
.bind(i.timestamp)
.bind(i.data)
.execute(&mut tx)
.await?;
}
tx.commit().await?;
Ok(())
}
async fn add_user(&self, user: NewUser) -> Result<i64> {
let res: (i64,) = sqlx::query_as(
"insert into users
(username, email, password)
values($1, $2, $3)
returning id",
)
.bind(user.username.as_str())
.bind(user.email.as_str())
.bind(user.password)
.fetch_one(&self.pool)
.await?;
Ok(res.0)
}
async fn add_session(&self, session: &NewSession) -> Result<()> {
sqlx::query(
"insert into sessions
(user_id, token)
values($1, $2)",
)
.bind(session.user_id)
.bind(session.token)
.execute(&self.pool)
.await?;
Ok(())
}
async fn get_user_session(&self, u: &User) -> Result<Session> {
let res: Option<Session> =
sqlx::query_as::<_, Session>("select * from sessions where user_id = $1")
.bind(u.id)
.fetch_optional(&self.pool)
.await?;
if let Some(s) = res {
Ok(s)
} else {
Err(eyre!("could not find session"))
}
}
}
|
