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