continuwuity/src/service/rooms/read_receipt/data.rs
Jason Volk c903a71807 refactor and optimize receipt service data
Signed-off-by: Jason Volk <jason@zemos.net>
2024-11-25 02:54:29 +00:00

103 lines
3.1 KiB
Rust

use std::sync::Arc;
use conduit::{
utils::{stream::TryIgnore, ReadyExt},
Result,
};
use database::{Deserialized, Json, Map};
use futures::{Stream, StreamExt};
use ruma::{
events::{receipt::ReceiptEvent, AnySyncEphemeralRoomEvent},
serde::Raw,
CanonicalJsonObject, RoomId, UserId,
};
use crate::{globals, Dep};
pub(super) struct Data {
roomuserid_privateread: Arc<Map>,
roomuserid_lastprivatereadupdate: Arc<Map>,
services: Services,
readreceiptid_readreceipt: Arc<Map>,
}
struct Services {
globals: Dep<globals::Service>,
}
pub(super) type ReceiptItem<'a> = (&'a UserId, u64, Raw<AnySyncEphemeralRoomEvent>);
impl Data {
pub(super) fn new(args: &crate::Args<'_>) -> Self {
let db = &args.db;
Self {
roomuserid_privateread: db["roomuserid_privateread"].clone(),
roomuserid_lastprivatereadupdate: db["roomuserid_lastprivatereadupdate"].clone(),
readreceiptid_readreceipt: db["readreceiptid_readreceipt"].clone(),
services: Services {
globals: args.depend::<globals::Service>("globals"),
},
}
}
pub(super) async fn readreceipt_update(&self, user_id: &UserId, room_id: &RoomId, event: &ReceiptEvent) {
// Remove old entry
let last_possible_key = (room_id, u64::MAX);
self.readreceiptid_readreceipt
.rev_keys_from_raw(&last_possible_key)
.ignore_err()
.ready_take_while(|key| key.starts_with(room_id.as_bytes()))
.ready_filter_map(|key| key.ends_with(user_id.as_bytes()).then_some(key))
.ready_for_each(|key| self.readreceiptid_readreceipt.del(key))
.await;
let count = self.services.globals.next_count().unwrap();
let latest_id = (room_id, count, user_id);
self.readreceiptid_readreceipt.put(latest_id, Json(event));
}
pub(super) fn readreceipts_since<'a>(
&'a self, room_id: &'a RoomId, since: u64,
) -> impl Stream<Item = ReceiptItem<'_>> + Send + 'a {
type Key<'a> = (&'a RoomId, u64, &'a UserId);
type KeyVal<'a> = (Key<'a>, CanonicalJsonObject);
let after_since = since.saturating_add(1); // +1 so we don't send the event at since
let first_possible_edu = (room_id, after_since);
self.readreceiptid_readreceipt
.stream_from(&first_possible_edu)
.ignore_err()
.ready_take_while(move |((r, ..), _): &KeyVal<'_>| *r == room_id)
.map(move |((_, count, user_id), mut json): KeyVal<'_>| {
json.remove("room_id");
let event = serde_json::value::to_raw_value(&json)?;
Ok((user_id, count, Raw::from_json(event)))
})
.ignore_err()
}
pub(super) fn private_read_set(&self, room_id: &RoomId, user_id: &UserId, count: u64) {
let key = (room_id, user_id);
let next_count = self.services.globals.next_count().unwrap();
self.roomuserid_privateread.put(key, count);
self.roomuserid_lastprivatereadupdate.put(key, next_count);
}
pub(super) async fn private_read_get(&self, room_id: &RoomId, user_id: &UserId) -> Result<u64> {
let key = (room_id, user_id);
self.roomuserid_privateread.qry(&key).await.deserialized()
}
pub(super) async fn last_privateread_update(&self, user_id: &UserId, room_id: &RoomId) -> u64 {
let key = (room_id, user_id);
self.roomuserid_lastprivatereadupdate
.qry(&key)
.await
.deserialized()
.unwrap_or(0)
}
}