tsuki/src/database/key_value/rooms/lazy_load.rs
2022-10-10 14:02:00 +02:00

67 lines
1.9 KiB
Rust

use std::sync::Arc;
use ruma::{UserId, DeviceId, RoomId};
use crate::{service, database::KeyValueDatabase, Result};
impl service::rooms::lazy_loading::Data for Arc<KeyValueDatabase> {
fn lazy_load_was_sent_before(
&self,
user_id: &UserId,
device_id: &DeviceId,
room_id: &RoomId,
ll_user: &UserId,
) -> Result<bool> {
let mut key = user_id.as_bytes().to_vec();
key.push(0xff);
key.extend_from_slice(device_id.as_bytes());
key.push(0xff);
key.extend_from_slice(room_id.as_bytes());
key.push(0xff);
key.extend_from_slice(ll_user.as_bytes());
Ok(self.lazyloadedids.get(&key)?.is_some())
}
fn lazy_load_confirm_delivery(
&self,
user_id: &UserId,
device_id: &DeviceId,
room_id: &RoomId,
confirmed_user_ids: &mut dyn Iterator<Item = &UserId>,
) -> Result<()> {
let mut prefix = user_id.as_bytes().to_vec();
prefix.push(0xff);
prefix.extend_from_slice(device_id.as_bytes());
prefix.push(0xff);
prefix.extend_from_slice(room_id.as_bytes());
prefix.push(0xff);
for ll_id in confirmed_user_ids {
let mut key = prefix.clone();
key.extend_from_slice(ll_id.as_bytes());
self.lazyloadedids.insert(&key, &[])?;
}
Ok(())
}
fn lazy_load_reset(
&self,
user_id: &UserId,
device_id: &DeviceId,
room_id: &RoomId,
) -> Result<()> {
let mut prefix = user_id.as_bytes().to_vec();
prefix.push(0xff);
prefix.extend_from_slice(device_id.as_bytes());
prefix.push(0xff);
prefix.extend_from_slice(room_id.as_bytes());
prefix.push(0xff);
for (key, _) in self.lazyloadedids.scan_prefix(prefix) {
self.lazyloadedids.remove(&key)?;
}
Ok(())
}
}