continuwuity/src/api/client/room/initial_sync.rs
Jason Volk bee4c6255a reorg PduEvent strip tools and callsites
Signed-off-by: Jason Volk <jason@zemos.net>
2025-03-30 23:00:37 +00:00

74 lines
1.5 KiB
Rust

use axum::extract::State;
use conduwuit::{
Err, PduEvent, Result, at,
utils::{BoolExt, stream::TryTools},
};
use futures::TryStreamExt;
use ruma::api::client::room::initial_sync::v3::{PaginationChunk, Request, Response};
use crate::Ruma;
const LIMIT_MAX: usize = 100;
pub(crate) async fn room_initial_sync_route(
State(services): State<crate::State>,
body: Ruma<Request>,
) -> Result<Response> {
let room_id = &body.room_id;
if !services
.rooms
.state_accessor
.user_can_see_state_events(body.sender_user(), room_id)
.await
{
return Err!(Request(Forbidden("No room preview available.")));
}
let limit = LIMIT_MAX;
let events: Vec<_> = services
.rooms
.timeline
.pdus_rev(None, room_id, None)
.try_take(limit)
.try_collect()
.await?;
let state: Vec<_> = services
.rooms
.state_accessor
.room_state_full_pdus(room_id)
.map_ok(PduEvent::into_state_event)
.try_collect()
.await?;
let messages = PaginationChunk {
start: events.last().map(at!(0)).as_ref().map(ToString::to_string),
end: events
.first()
.map(at!(0))
.as_ref()
.map(ToString::to_string)
.unwrap_or_default(),
chunk: events
.into_iter()
.map(at!(1))
.map(PduEvent::into_room_event)
.collect(),
};
Ok(Response {
room_id: room_id.to_owned(),
account_data: None,
state: state.into(),
messages: messages.chunk.is_empty().or_some(messages),
visibility: services.rooms.directory.visibility(room_id).await.into(),
membership: services
.rooms
.state_cache
.user_membership(body.sender_user(), room_id)
.await,
})
}