Files
zero2prod/src/database_worker.rs
Alphonse Paix 5d5f9ec765 Database worker
Worker used to clean up pending subscriptions and old idempotency
records
2025-10-11 00:02:05 +02:00

59 lines
1.7 KiB
Rust

use anyhow::Context;
use sqlx::{
PgPool,
postgres::{PgConnectOptions, PgPoolOptions},
};
use std::time::Duration;
pub async fn run_until_stopped(configuration: PgConnectOptions) -> Result<(), anyhow::Error> {
let connection_pool = PgPoolOptions::new().connect_lazy_with(configuration);
worker_loop(connection_pool).await
}
async fn worker_loop(connection_pool: PgPool) -> Result<(), anyhow::Error> {
loop {
if let Err(e) = clean_pending_subscriptions(&connection_pool).await {
tracing::error!("{:?}", e);
}
if let Err(e) = clean_idempotency_keys(&connection_pool).await {
tracing::error!("{:?}", e);
}
tokio::time::sleep(Duration::from_secs(60)).await;
}
}
async fn clean_pending_subscriptions(connection_pool: &PgPool) -> Result<(), anyhow::Error> {
let result = sqlx::query!(
"
DELETE FROM subscriptions
WHERE status = 'pending_confirmation'
AND subscribed_at < NOW() - INTERVAL '24 hours'
"
)
.execute(connection_pool)
.await
.context("Failed to clean up subscriptions table.")?;
match result.rows_affected() {
n if n > 0 => tracing::info!("Cleaned up {} expired subscriptions.", n),
_ => (),
}
Ok(())
}
async fn clean_idempotency_keys(connection_pool: &PgPool) -> Result<(), anyhow::Error> {
let result = sqlx::query!(
"
DELETE FROM idempotency
WHERE created_at < NOW() - INTERVAL '1 hour'
"
)
.execute(connection_pool)
.await
.context("Failed to clean up idempontency table.")?;
match result.rows_affected() {
n if n > 0 => tracing::info!("Cleaned up {} old idempotency records.", n),
_ => (),
}
Ok(())
}