backend/src/objects/user.rs

60 lines
1.6 KiB
Rust

use diesel::{ExpressionMethods, QueryDsl, Queryable, Selectable, SelectableHelper};
use diesel_async::RunQueryDsl;
use serde::{Deserialize, Serialize};
use uuid::Uuid;
use crate::{Conn, Data, error::Error, schema::users};
use super::load_or_empty;
#[derive(Deserialize, Serialize, Clone, Queryable, Selectable)]
#[diesel(table_name = users)]
#[diesel(check_for_backend(diesel::pg::Pg))]
pub struct User {
uuid: Uuid,
username: String,
display_name: Option<String>,
avatar: Option<String>,
pronouns: Option<String>,
about: Option<String>,
}
impl User {
pub async fn fetch_one(data: &Data, user_uuid: Uuid) -> Result<Self, Error> {
let mut conn = data.pool.get().await?;
if let Ok(cache_hit) = data.get_cache_key(user_uuid.to_string()).await {
return Ok(serde_json::from_str(&cache_hit)?);
}
use users::dsl;
let user: User = dsl::users
.filter(dsl::uuid.eq(user_uuid))
.select(User::as_select())
.get_result(&mut conn)
.await?;
data.set_cache_key(user_uuid.to_string(), user.clone(), 1800)
.await?;
Ok(user)
}
pub async fn fetch_amount(
conn: &mut Conn,
offset: i64,
amount: i64,
) -> Result<Vec<Self>, Error> {
use users::dsl;
let users: Vec<User> = load_or_empty(
dsl::users
.limit(amount)
.offset(offset)
.select(User::as_select())
.load(conn)
.await,
)?;
Ok(users)
}
}