75 lines
2.4 KiB
Rust
75 lines
2.4 KiB
Rust
//! 回收站自动清理后台任务。
|
||
//!
|
||
//! 仅在 `server` feature 启用时编译，每天运行一次。
|
||
//! 每次执行前读取 settings 表：若自动清理关闭则跳过，否则按保留天数物理删除过期文章。
|
||
|
||
use std::time::Duration;
|
||
|
||
use tokio::time::interval;
|
||
|
||
use crate::db::pool::get_conn;
|
||
use crate::models::settings::TrashSettings;
|
||
|
||
/// 启动回收站自动清理循环，每天触发一次。
|
||
///
|
||
/// 每次读取最新配置：若 `trash_auto_purge_enabled` 关闭则 no-op，
|
||
/// 否则删除 `deleted_at < NOW() - retention_days` 的文章。
|
||
/// 任何错误只记录日志，不中断循环。
|
||
pub async fn run_purge() {
|
||
let mut ticker = interval(Duration::from_secs(86400));
|
||
loop {
|
||
ticker.tick().await;
|
||
match get_conn().await {
|
||
Ok(client) => {
|
||
match purge_expired(&client).await {
|
||
Ok(n) => {
|
||
if n > 0 {
|
||
tracing::info!("Post auto-purge: removed {} expired trashed posts", n);
|
||
}
|
||
}
|
||
Err(e) => tracing::error!("Post auto-purge error: {:?}", e),
|
||
}
|
||
}
|
||
Err(e) => tracing::error!("Failed to get DB connection for post purge: {:?}", e),
|
||
}
|
||
}
|
||
}
|
||
|
||
/// 读取配置并删除过期回收站文章，返回删除行数。
|
||
///
|
||
/// 抽取为独立函数便于单元测试（虽需 DB，但逻辑集中）。
|
||
async fn purge_expired(client: &tokio_postgres::Client) -> Result<u64, tokio_postgres::Error> {
|
||
// 读取配置，缺键时回退默认值。
|
||
let enabled: bool = client
|
||
.query_opt(
|
||
"SELECT value FROM settings WHERE key = 'trash_auto_purge_enabled'",
|
||
&[],
|
||
)
|
||
.await?
|
||
.and_then(|r| r.get::<_, String>("value").parse().ok())
|
||
.unwrap_or(false);
|
||
|
||
if !enabled {
|
||
return Ok(0);
|
||
}
|
||
|
||
let days: i32 = client
|
||
.query_opt(
|
||
"SELECT value FROM settings WHERE key = 'trash_retention_days'",
|
||
&[],
|
||
)
|
||
.await?
|
||
.and_then(|r| r.get::<_, String>("value").parse().ok())
|
||
.unwrap_or(30);
|
||
|
||
let days = TrashSettings::clamp_retention(days);
|
||
|
||
let n = client
|
||
.execute(
|
||
"DELETE FROM posts WHERE deleted_at IS NOT NULL AND deleted_at < NOW() - make_interval(days => $1)",
|
||
&[&days],
|
||
)
|
||
.await?;
|
||
Ok(n)
|
||
}
|