63 lines
1.8 KiB
Rust
63 lines
1.8 KiB
Rust
/*
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* Copyright (C) 2021 Aravinth Manivannan <realaravinth@batsense.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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use std::collections::HashMap;
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use std::sync::Arc;
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use sqlx::PgPool;
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use uuid::Uuid;
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#[derive(Clone, Debug)]
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pub struct ChallengeCache {
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store: HashMap<Uuid, Arc<Vec<i32>>>,
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db: PgPool,
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}
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impl ChallengeCache {
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pub fn new(db: PgPool) -> Self {
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let store = HashMap::default();
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Self { db, store }
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}
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async fn get_db(&self, id: &Uuid) -> Vec<i32> {
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struct Foo {
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challenges: Vec<i32>,
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}
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let res = sqlx::query_as!(
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Foo,
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"SELECT challenges FROM survey_surveys WHERE id = $1",
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&id
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)
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.fetch_one(&self.db)
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.await
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.unwrap();
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res.challenges
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}
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pub async fn get(&mut self, k: &Uuid) -> Arc<Vec<i32>> {
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match self.store.get(k) {
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Some(val) => val.clone(),
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None => {
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let resp = self.get_db(k).await;
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let resp = Arc::new(resp);
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self.store.insert(k.clone(), resp.clone());
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resp
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}
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}
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}
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}
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