1mod connection_pool;
2
3use crate::api::billing::find_or_create_billing_customer;
4use crate::api::{CloudflareIpCountryHeader, SystemIdHeader};
5use crate::db::billing_subscription::SubscriptionKind;
6use crate::llm::db::LlmDatabase;
7use crate::llm::{
8 AGENT_EXTENDED_TRIAL_FEATURE_FLAG, BYPASS_ACCOUNT_AGE_CHECK_FEATURE_FLAG, LlmTokenClaims,
9 MIN_ACCOUNT_AGE_FOR_LLM_USE,
10};
11use crate::stripe_client::StripeCustomerId;
12use crate::{
13 AppState, Error, Result, auth,
14 db::{
15 self, BufferId, Capability, Channel, ChannelId, ChannelRole, ChannelsForUser,
16 CreatedChannelMessage, Database, InviteMemberResult, MembershipUpdated, MessageId,
17 NotificationId, ProjectId, RejoinedProject, RemoveChannelMemberResult,
18 RespondToChannelInvite, RoomId, ServerId, UpdatedChannelMessage, User, UserId,
19 },
20 executor::Executor,
21};
22use anyhow::{Context as _, anyhow, bail};
23use async_tungstenite::tungstenite::{
24 Message as TungsteniteMessage, protocol::CloseFrame as TungsteniteCloseFrame,
25};
26use axum::{
27 Extension, Router, TypedHeader,
28 body::Body,
29 extract::{
30 ConnectInfo, WebSocketUpgrade,
31 ws::{CloseFrame as AxumCloseFrame, Message as AxumMessage},
32 },
33 headers::{Header, HeaderName},
34 http::StatusCode,
35 middleware,
36 response::IntoResponse,
37 routing::get,
38};
39use chrono::Utc;
40use collections::{HashMap, HashSet};
41pub use connection_pool::{ConnectionPool, ZedVersion};
42use core::fmt::{self, Debug, Formatter};
43use reqwest_client::ReqwestClient;
44use rpc::proto::split_repository_update;
45use supermaven_api::{CreateExternalUserRequest, SupermavenAdminApi};
46
47use futures::{
48 FutureExt, SinkExt, StreamExt, TryStreamExt, channel::oneshot, future::BoxFuture,
49 stream::FuturesUnordered,
50};
51use prometheus::{IntGauge, register_int_gauge};
52use rpc::{
53 Connection, ConnectionId, ErrorCode, ErrorCodeExt, ErrorExt, Peer, Receipt, TypedEnvelope,
54 proto::{
55 self, Ack, AnyTypedEnvelope, EntityMessage, EnvelopedMessage, LiveKitConnectionInfo,
56 RequestMessage, ShareProject, UpdateChannelBufferCollaborators,
57 },
58};
59use semantic_version::SemanticVersion;
60use serde::{Serialize, Serializer};
61use std::{
62 any::TypeId,
63 future::Future,
64 marker::PhantomData,
65 mem,
66 net::SocketAddr,
67 ops::{Deref, DerefMut},
68 rc::Rc,
69 sync::{
70 Arc, OnceLock,
71 atomic::{AtomicBool, AtomicUsize, Ordering::SeqCst},
72 },
73 time::{Duration, Instant},
74};
75use time::OffsetDateTime;
76use tokio::sync::{Semaphore, watch};
77use tower::ServiceBuilder;
78use tracing::{
79 Instrument,
80 field::{self},
81 info_span, instrument,
82};
83
84pub const RECONNECT_TIMEOUT: Duration = Duration::from_secs(30);
85
86// kubernetes gives terminated pods 10s to shutdown gracefully. After they're gone, we can clean up old resources.
87pub const CLEANUP_TIMEOUT: Duration = Duration::from_secs(15);
88
89const MESSAGE_COUNT_PER_PAGE: usize = 100;
90const MAX_MESSAGE_LEN: usize = 1024;
91const NOTIFICATION_COUNT_PER_PAGE: usize = 50;
92const MAX_CONCURRENT_CONNECTIONS: usize = 512;
93
94static CONCURRENT_CONNECTIONS: AtomicUsize = AtomicUsize::new(0);
95
96type MessageHandler =
97 Box<dyn Send + Sync + Fn(Box<dyn AnyTypedEnvelope>, Session) -> BoxFuture<'static, ()>>;
98
99pub struct ConnectionGuard;
100
101impl ConnectionGuard {
102 pub fn try_acquire() -> Result<Self, ()> {
103 let current_connections = CONCURRENT_CONNECTIONS.fetch_add(1, SeqCst);
104 if current_connections >= MAX_CONCURRENT_CONNECTIONS {
105 CONCURRENT_CONNECTIONS.fetch_sub(1, SeqCst);
106 tracing::error!(
107 "too many concurrent connections: {}",
108 current_connections + 1
109 );
110 return Err(());
111 }
112 Ok(ConnectionGuard)
113 }
114}
115
116impl Drop for ConnectionGuard {
117 fn drop(&mut self) {
118 CONCURRENT_CONNECTIONS.fetch_sub(1, SeqCst);
119 }
120}
121
122struct Response<R> {
123 peer: Arc<Peer>,
124 receipt: Receipt<R>,
125 responded: Arc<AtomicBool>,
126}
127
128impl<R: RequestMessage> Response<R> {
129 fn send(self, payload: R::Response) -> Result<()> {
130 self.responded.store(true, SeqCst);
131 self.peer.respond(self.receipt, payload)?;
132 Ok(())
133 }
134}
135
136#[derive(Clone, Debug)]
137pub enum Principal {
138 User(User),
139 Impersonated { user: User, admin: User },
140}
141
142impl Principal {
143 fn user(&self) -> &User {
144 match self {
145 Principal::User(user) => user,
146 Principal::Impersonated { user, .. } => user,
147 }
148 }
149
150 fn update_span(&self, span: &tracing::Span) {
151 match &self {
152 Principal::User(user) => {
153 span.record("user_id", user.id.0);
154 span.record("login", &user.github_login);
155 }
156 Principal::Impersonated { user, admin } => {
157 span.record("user_id", user.id.0);
158 span.record("login", &user.github_login);
159 span.record("impersonator", &admin.github_login);
160 }
161 }
162 }
163}
164
165#[derive(Clone)]
166struct Session {
167 principal: Principal,
168 connection_id: ConnectionId,
169 db: Arc<tokio::sync::Mutex<DbHandle>>,
170 peer: Arc<Peer>,
171 connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
172 app_state: Arc<AppState>,
173 supermaven_client: Option<Arc<SupermavenAdminApi>>,
174 /// The GeoIP country code for the user.
175 #[allow(unused)]
176 geoip_country_code: Option<String>,
177 system_id: Option<String>,
178 _executor: Executor,
179}
180
181impl Session {
182 async fn db(&self) -> tokio::sync::MutexGuard<DbHandle> {
183 #[cfg(test)]
184 tokio::task::yield_now().await;
185 let guard = self.db.lock().await;
186 #[cfg(test)]
187 tokio::task::yield_now().await;
188 guard
189 }
190
191 async fn connection_pool(&self) -> ConnectionPoolGuard<'_> {
192 #[cfg(test)]
193 tokio::task::yield_now().await;
194 let guard = self.connection_pool.lock();
195 ConnectionPoolGuard {
196 guard,
197 _not_send: PhantomData,
198 }
199 }
200
201 fn is_staff(&self) -> bool {
202 match &self.principal {
203 Principal::User(user) => user.admin,
204 Principal::Impersonated { .. } => true,
205 }
206 }
207
208 fn user_id(&self) -> UserId {
209 match &self.principal {
210 Principal::User(user) => user.id,
211 Principal::Impersonated { user, .. } => user.id,
212 }
213 }
214
215 pub fn email(&self) -> Option<String> {
216 match &self.principal {
217 Principal::User(user) => user.email_address.clone(),
218 Principal::Impersonated { user, .. } => user.email_address.clone(),
219 }
220 }
221}
222
223impl Debug for Session {
224 fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
225 let mut result = f.debug_struct("Session");
226 match &self.principal {
227 Principal::User(user) => {
228 result.field("user", &user.github_login);
229 }
230 Principal::Impersonated { user, admin } => {
231 result.field("user", &user.github_login);
232 result.field("impersonator", &admin.github_login);
233 }
234 }
235 result.field("connection_id", &self.connection_id).finish()
236 }
237}
238
239struct DbHandle(Arc<Database>);
240
241impl Deref for DbHandle {
242 type Target = Database;
243
244 fn deref(&self) -> &Self::Target {
245 self.0.as_ref()
246 }
247}
248
249pub struct Server {
250 id: parking_lot::Mutex<ServerId>,
251 peer: Arc<Peer>,
252 pub(crate) connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
253 app_state: Arc<AppState>,
254 handlers: HashMap<TypeId, MessageHandler>,
255 teardown: watch::Sender<bool>,
256}
257
258pub(crate) struct ConnectionPoolGuard<'a> {
259 guard: parking_lot::MutexGuard<'a, ConnectionPool>,
260 _not_send: PhantomData<Rc<()>>,
261}
262
263#[derive(Serialize)]
264pub struct ServerSnapshot<'a> {
265 peer: &'a Peer,
266 #[serde(serialize_with = "serialize_deref")]
267 connection_pool: ConnectionPoolGuard<'a>,
268}
269
270pub fn serialize_deref<S, T, U>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
271where
272 S: Serializer,
273 T: Deref<Target = U>,
274 U: Serialize,
275{
276 Serialize::serialize(value.deref(), serializer)
277}
278
279impl Server {
280 pub fn new(id: ServerId, app_state: Arc<AppState>) -> Arc<Self> {
281 let mut server = Self {
282 id: parking_lot::Mutex::new(id),
283 peer: Peer::new(id.0 as u32),
284 app_state: app_state.clone(),
285 connection_pool: Default::default(),
286 handlers: Default::default(),
287 teardown: watch::channel(false).0,
288 };
289
290 server
291 .add_request_handler(ping)
292 .add_request_handler(create_room)
293 .add_request_handler(join_room)
294 .add_request_handler(rejoin_room)
295 .add_request_handler(leave_room)
296 .add_request_handler(set_room_participant_role)
297 .add_request_handler(call)
298 .add_request_handler(cancel_call)
299 .add_message_handler(decline_call)
300 .add_request_handler(update_participant_location)
301 .add_request_handler(share_project)
302 .add_message_handler(unshare_project)
303 .add_request_handler(join_project)
304 .add_message_handler(leave_project)
305 .add_request_handler(update_project)
306 .add_request_handler(update_worktree)
307 .add_request_handler(update_repository)
308 .add_request_handler(remove_repository)
309 .add_message_handler(start_language_server)
310 .add_message_handler(update_language_server)
311 .add_message_handler(update_diagnostic_summary)
312 .add_message_handler(update_worktree_settings)
313 .add_request_handler(forward_read_only_project_request::<proto::GetHover>)
314 .add_request_handler(forward_read_only_project_request::<proto::GetDefinition>)
315 .add_request_handler(forward_read_only_project_request::<proto::GetTypeDefinition>)
316 .add_request_handler(forward_read_only_project_request::<proto::GetReferences>)
317 .add_request_handler(forward_find_search_candidates_request)
318 .add_request_handler(forward_read_only_project_request::<proto::GetDocumentHighlights>)
319 .add_request_handler(forward_read_only_project_request::<proto::GetDocumentSymbols>)
320 .add_request_handler(forward_read_only_project_request::<proto::GetProjectSymbols>)
321 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferForSymbol>)
322 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferById>)
323 .add_request_handler(forward_read_only_project_request::<proto::SynchronizeBuffers>)
324 .add_request_handler(forward_read_only_project_request::<proto::InlayHints>)
325 .add_request_handler(forward_read_only_project_request::<proto::ResolveInlayHint>)
326 .add_request_handler(forward_read_only_project_request::<proto::GetColorPresentation>)
327 .add_request_handler(forward_mutating_project_request::<proto::GetCodeLens>)
328 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferByPath>)
329 .add_request_handler(forward_read_only_project_request::<proto::GitGetBranches>)
330 .add_request_handler(forward_read_only_project_request::<proto::OpenUnstagedDiff>)
331 .add_request_handler(forward_read_only_project_request::<proto::OpenUncommittedDiff>)
332 .add_request_handler(forward_read_only_project_request::<proto::LspExtExpandMacro>)
333 .add_request_handler(forward_read_only_project_request::<proto::LspExtOpenDocs>)
334 .add_request_handler(forward_mutating_project_request::<proto::LspExtRunnables>)
335 .add_request_handler(
336 forward_read_only_project_request::<proto::LspExtSwitchSourceHeader>,
337 )
338 .add_request_handler(forward_read_only_project_request::<proto::LspExtGoToParentModule>)
339 .add_request_handler(forward_read_only_project_request::<proto::LspExtCancelFlycheck>)
340 .add_request_handler(forward_read_only_project_request::<proto::LspExtRunFlycheck>)
341 .add_request_handler(forward_read_only_project_request::<proto::LspExtClearFlycheck>)
342 .add_request_handler(
343 forward_read_only_project_request::<proto::LanguageServerIdForName>,
344 )
345 .add_request_handler(forward_read_only_project_request::<proto::GetDocumentDiagnostics>)
346 .add_request_handler(
347 forward_mutating_project_request::<proto::RegisterBufferWithLanguageServers>,
348 )
349 .add_request_handler(forward_mutating_project_request::<proto::UpdateGitBranch>)
350 .add_request_handler(forward_mutating_project_request::<proto::GetCompletions>)
351 .add_request_handler(
352 forward_mutating_project_request::<proto::ApplyCompletionAdditionalEdits>,
353 )
354 .add_request_handler(forward_mutating_project_request::<proto::OpenNewBuffer>)
355 .add_request_handler(
356 forward_mutating_project_request::<proto::ResolveCompletionDocumentation>,
357 )
358 .add_request_handler(forward_mutating_project_request::<proto::GetCodeActions>)
359 .add_request_handler(forward_mutating_project_request::<proto::ApplyCodeAction>)
360 .add_request_handler(forward_mutating_project_request::<proto::PrepareRename>)
361 .add_request_handler(forward_mutating_project_request::<proto::PerformRename>)
362 .add_request_handler(forward_mutating_project_request::<proto::ReloadBuffers>)
363 .add_request_handler(forward_mutating_project_request::<proto::ApplyCodeActionKind>)
364 .add_request_handler(forward_mutating_project_request::<proto::FormatBuffers>)
365 .add_request_handler(forward_mutating_project_request::<proto::CreateProjectEntry>)
366 .add_request_handler(forward_mutating_project_request::<proto::RenameProjectEntry>)
367 .add_request_handler(forward_mutating_project_request::<proto::CopyProjectEntry>)
368 .add_request_handler(forward_mutating_project_request::<proto::DeleteProjectEntry>)
369 .add_request_handler(forward_mutating_project_request::<proto::ExpandProjectEntry>)
370 .add_request_handler(
371 forward_mutating_project_request::<proto::ExpandAllForProjectEntry>,
372 )
373 .add_request_handler(forward_mutating_project_request::<proto::OnTypeFormatting>)
374 .add_request_handler(forward_mutating_project_request::<proto::SaveBuffer>)
375 .add_request_handler(forward_mutating_project_request::<proto::BlameBuffer>)
376 .add_request_handler(forward_mutating_project_request::<proto::MultiLspQuery>)
377 .add_request_handler(forward_mutating_project_request::<proto::RestartLanguageServers>)
378 .add_request_handler(forward_mutating_project_request::<proto::StopLanguageServers>)
379 .add_request_handler(forward_mutating_project_request::<proto::LinkedEditingRange>)
380 .add_message_handler(create_buffer_for_peer)
381 .add_request_handler(update_buffer)
382 .add_message_handler(broadcast_project_message_from_host::<proto::RefreshInlayHints>)
383 .add_message_handler(broadcast_project_message_from_host::<proto::RefreshCodeLens>)
384 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateBufferFile>)
385 .add_message_handler(broadcast_project_message_from_host::<proto::BufferReloaded>)
386 .add_message_handler(broadcast_project_message_from_host::<proto::BufferSaved>)
387 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateDiffBases>)
388 .add_message_handler(
389 broadcast_project_message_from_host::<proto::PullWorkspaceDiagnostics>,
390 )
391 .add_request_handler(get_users)
392 .add_request_handler(fuzzy_search_users)
393 .add_request_handler(request_contact)
394 .add_request_handler(remove_contact)
395 .add_request_handler(respond_to_contact_request)
396 .add_message_handler(subscribe_to_channels)
397 .add_request_handler(create_channel)
398 .add_request_handler(delete_channel)
399 .add_request_handler(invite_channel_member)
400 .add_request_handler(remove_channel_member)
401 .add_request_handler(set_channel_member_role)
402 .add_request_handler(set_channel_visibility)
403 .add_request_handler(rename_channel)
404 .add_request_handler(join_channel_buffer)
405 .add_request_handler(leave_channel_buffer)
406 .add_message_handler(update_channel_buffer)
407 .add_request_handler(rejoin_channel_buffers)
408 .add_request_handler(get_channel_members)
409 .add_request_handler(respond_to_channel_invite)
410 .add_request_handler(join_channel)
411 .add_request_handler(join_channel_chat)
412 .add_message_handler(leave_channel_chat)
413 .add_request_handler(send_channel_message)
414 .add_request_handler(remove_channel_message)
415 .add_request_handler(update_channel_message)
416 .add_request_handler(get_channel_messages)
417 .add_request_handler(get_channel_messages_by_id)
418 .add_request_handler(get_notifications)
419 .add_request_handler(mark_notification_as_read)
420 .add_request_handler(move_channel)
421 .add_request_handler(reorder_channel)
422 .add_request_handler(follow)
423 .add_message_handler(unfollow)
424 .add_message_handler(update_followers)
425 .add_request_handler(get_private_user_info)
426 .add_request_handler(get_llm_api_token)
427 .add_request_handler(accept_terms_of_service)
428 .add_message_handler(acknowledge_channel_message)
429 .add_message_handler(acknowledge_buffer_version)
430 .add_request_handler(get_supermaven_api_key)
431 .add_request_handler(forward_mutating_project_request::<proto::OpenContext>)
432 .add_request_handler(forward_mutating_project_request::<proto::CreateContext>)
433 .add_request_handler(forward_mutating_project_request::<proto::SynchronizeContexts>)
434 .add_request_handler(forward_mutating_project_request::<proto::Stage>)
435 .add_request_handler(forward_mutating_project_request::<proto::Unstage>)
436 .add_request_handler(forward_mutating_project_request::<proto::Commit>)
437 .add_request_handler(forward_mutating_project_request::<proto::GitInit>)
438 .add_request_handler(forward_read_only_project_request::<proto::GetRemotes>)
439 .add_request_handler(forward_read_only_project_request::<proto::GitShow>)
440 .add_request_handler(forward_read_only_project_request::<proto::LoadCommitDiff>)
441 .add_request_handler(forward_read_only_project_request::<proto::GitReset>)
442 .add_request_handler(forward_read_only_project_request::<proto::GitCheckoutFiles>)
443 .add_request_handler(forward_mutating_project_request::<proto::SetIndexText>)
444 .add_request_handler(forward_mutating_project_request::<proto::ToggleBreakpoint>)
445 .add_message_handler(broadcast_project_message_from_host::<proto::BreakpointsForFile>)
446 .add_request_handler(forward_mutating_project_request::<proto::OpenCommitMessageBuffer>)
447 .add_request_handler(forward_mutating_project_request::<proto::GitDiff>)
448 .add_request_handler(forward_mutating_project_request::<proto::GitCreateBranch>)
449 .add_request_handler(forward_mutating_project_request::<proto::GitChangeBranch>)
450 .add_request_handler(forward_mutating_project_request::<proto::CheckForPushedCommits>)
451 .add_message_handler(broadcast_project_message_from_host::<proto::AdvertiseContexts>)
452 .add_message_handler(update_context);
453
454 Arc::new(server)
455 }
456
457 pub async fn start(&self) -> Result<()> {
458 let server_id = *self.id.lock();
459 let app_state = self.app_state.clone();
460 let peer = self.peer.clone();
461 let timeout = self.app_state.executor.sleep(CLEANUP_TIMEOUT);
462 let pool = self.connection_pool.clone();
463 let livekit_client = self.app_state.livekit_client.clone();
464
465 let span = info_span!("start server");
466 self.app_state.executor.spawn_detached(
467 async move {
468 tracing::info!("waiting for cleanup timeout");
469 timeout.await;
470 tracing::info!("cleanup timeout expired, retrieving stale rooms");
471
472 app_state
473 .db
474 .delete_stale_channel_chat_participants(
475 &app_state.config.zed_environment,
476 server_id,
477 )
478 .await
479 .trace_err();
480
481 if let Some((room_ids, channel_ids)) = app_state
482 .db
483 .stale_server_resource_ids(&app_state.config.zed_environment, server_id)
484 .await
485 .trace_err()
486 {
487 tracing::info!(stale_room_count = room_ids.len(), "retrieved stale rooms");
488 tracing::info!(
489 stale_channel_buffer_count = channel_ids.len(),
490 "retrieved stale channel buffers"
491 );
492
493 for channel_id in channel_ids {
494 if let Some(refreshed_channel_buffer) = app_state
495 .db
496 .clear_stale_channel_buffer_collaborators(channel_id, server_id)
497 .await
498 .trace_err()
499 {
500 for connection_id in refreshed_channel_buffer.connection_ids {
501 peer.send(
502 connection_id,
503 proto::UpdateChannelBufferCollaborators {
504 channel_id: channel_id.to_proto(),
505 collaborators: refreshed_channel_buffer
506 .collaborators
507 .clone(),
508 },
509 )
510 .trace_err();
511 }
512 }
513 }
514
515 for room_id in room_ids {
516 let mut contacts_to_update = HashSet::default();
517 let mut canceled_calls_to_user_ids = Vec::new();
518 let mut livekit_room = String::new();
519 let mut delete_livekit_room = false;
520
521 if let Some(mut refreshed_room) = app_state
522 .db
523 .clear_stale_room_participants(room_id, server_id)
524 .await
525 .trace_err()
526 {
527 tracing::info!(
528 room_id = room_id.0,
529 new_participant_count = refreshed_room.room.participants.len(),
530 "refreshed room"
531 );
532 room_updated(&refreshed_room.room, &peer);
533 if let Some(channel) = refreshed_room.channel.as_ref() {
534 channel_updated(channel, &refreshed_room.room, &peer, &pool.lock());
535 }
536 contacts_to_update
537 .extend(refreshed_room.stale_participant_user_ids.iter().copied());
538 contacts_to_update
539 .extend(refreshed_room.canceled_calls_to_user_ids.iter().copied());
540 canceled_calls_to_user_ids =
541 mem::take(&mut refreshed_room.canceled_calls_to_user_ids);
542 livekit_room = mem::take(&mut refreshed_room.room.livekit_room);
543 delete_livekit_room = refreshed_room.room.participants.is_empty();
544 }
545
546 {
547 let pool = pool.lock();
548 for canceled_user_id in canceled_calls_to_user_ids {
549 for connection_id in pool.user_connection_ids(canceled_user_id) {
550 peer.send(
551 connection_id,
552 proto::CallCanceled {
553 room_id: room_id.to_proto(),
554 },
555 )
556 .trace_err();
557 }
558 }
559 }
560
561 for user_id in contacts_to_update {
562 let busy = app_state.db.is_user_busy(user_id).await.trace_err();
563 let contacts = app_state.db.get_contacts(user_id).await.trace_err();
564 if let Some((busy, contacts)) = busy.zip(contacts) {
565 let pool = pool.lock();
566 let updated_contact = contact_for_user(user_id, busy, &pool);
567 for contact in contacts {
568 if let db::Contact::Accepted {
569 user_id: contact_user_id,
570 ..
571 } = contact
572 {
573 for contact_conn_id in
574 pool.user_connection_ids(contact_user_id)
575 {
576 peer.send(
577 contact_conn_id,
578 proto::UpdateContacts {
579 contacts: vec![updated_contact.clone()],
580 remove_contacts: Default::default(),
581 incoming_requests: Default::default(),
582 remove_incoming_requests: Default::default(),
583 outgoing_requests: Default::default(),
584 remove_outgoing_requests: Default::default(),
585 },
586 )
587 .trace_err();
588 }
589 }
590 }
591 }
592 }
593
594 if let Some(live_kit) = livekit_client.as_ref() {
595 if delete_livekit_room {
596 live_kit.delete_room(livekit_room).await.trace_err();
597 }
598 }
599 }
600 }
601
602 app_state
603 .db
604 .delete_stale_channel_chat_participants(
605 &app_state.config.zed_environment,
606 server_id,
607 )
608 .await
609 .trace_err();
610
611 app_state
612 .db
613 .clear_old_worktree_entries(server_id)
614 .await
615 .trace_err();
616
617 app_state
618 .db
619 .delete_stale_servers(&app_state.config.zed_environment, server_id)
620 .await
621 .trace_err();
622 }
623 .instrument(span),
624 );
625 Ok(())
626 }
627
628 pub fn teardown(&self) {
629 self.peer.teardown();
630 self.connection_pool.lock().reset();
631 let _ = self.teardown.send(true);
632 }
633
634 #[cfg(test)]
635 pub fn reset(&self, id: ServerId) {
636 self.teardown();
637 *self.id.lock() = id;
638 self.peer.reset(id.0 as u32);
639 let _ = self.teardown.send(false);
640 }
641
642 #[cfg(test)]
643 pub fn id(&self) -> ServerId {
644 *self.id.lock()
645 }
646
647 fn add_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
648 where
649 F: 'static + Send + Sync + Fn(TypedEnvelope<M>, Session) -> Fut,
650 Fut: 'static + Send + Future<Output = Result<()>>,
651 M: EnvelopedMessage,
652 {
653 let prev_handler = self.handlers.insert(
654 TypeId::of::<M>(),
655 Box::new(move |envelope, session| {
656 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
657 let received_at = envelope.received_at;
658 tracing::info!("message received");
659 let start_time = Instant::now();
660 let future = (handler)(*envelope, session);
661 async move {
662 let result = future.await;
663 let total_duration_ms = received_at.elapsed().as_micros() as f64 / 1000.0;
664 let processing_duration_ms = start_time.elapsed().as_micros() as f64 / 1000.0;
665 let queue_duration_ms = total_duration_ms - processing_duration_ms;
666 let payload_type = M::NAME;
667
668 match result {
669 Err(error) => {
670 tracing::error!(
671 ?error,
672 total_duration_ms,
673 processing_duration_ms,
674 queue_duration_ms,
675 payload_type,
676 "error handling message"
677 )
678 }
679 Ok(()) => tracing::info!(
680 total_duration_ms,
681 processing_duration_ms,
682 queue_duration_ms,
683 "finished handling message"
684 ),
685 }
686 }
687 .boxed()
688 }),
689 );
690 if prev_handler.is_some() {
691 panic!("registered a handler for the same message twice");
692 }
693 self
694 }
695
696 fn add_message_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
697 where
698 F: 'static + Send + Sync + Fn(M, Session) -> Fut,
699 Fut: 'static + Send + Future<Output = Result<()>>,
700 M: EnvelopedMessage,
701 {
702 self.add_handler(move |envelope, session| handler(envelope.payload, session));
703 self
704 }
705
706 fn add_request_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
707 where
708 F: 'static + Send + Sync + Fn(M, Response<M>, Session) -> Fut,
709 Fut: Send + Future<Output = Result<()>>,
710 M: RequestMessage,
711 {
712 let handler = Arc::new(handler);
713 self.add_handler(move |envelope, session| {
714 let receipt = envelope.receipt();
715 let handler = handler.clone();
716 async move {
717 let peer = session.peer.clone();
718 let responded = Arc::new(AtomicBool::default());
719 let response = Response {
720 peer: peer.clone(),
721 responded: responded.clone(),
722 receipt,
723 };
724 match (handler)(envelope.payload, response, session).await {
725 Ok(()) => {
726 if responded.load(std::sync::atomic::Ordering::SeqCst) {
727 Ok(())
728 } else {
729 Err(anyhow!("handler did not send a response"))?
730 }
731 }
732 Err(error) => {
733 let proto_err = match &error {
734 Error::Internal(err) => err.to_proto(),
735 _ => ErrorCode::Internal.message(format!("{error}")).to_proto(),
736 };
737 peer.respond_with_error(receipt, proto_err)?;
738 Err(error)
739 }
740 }
741 }
742 })
743 }
744
745 pub fn handle_connection(
746 self: &Arc<Self>,
747 connection: Connection,
748 address: String,
749 principal: Principal,
750 zed_version: ZedVersion,
751 geoip_country_code: Option<String>,
752 system_id: Option<String>,
753 send_connection_id: Option<oneshot::Sender<ConnectionId>>,
754 executor: Executor,
755 connection_guard: Option<ConnectionGuard>,
756 ) -> impl Future<Output = ()> + use<> {
757 let this = self.clone();
758 let span = info_span!("handle connection", %address,
759 connection_id=field::Empty,
760 user_id=field::Empty,
761 login=field::Empty,
762 impersonator=field::Empty,
763 geoip_country_code=field::Empty
764 );
765 principal.update_span(&span);
766 if let Some(country_code) = geoip_country_code.as_ref() {
767 span.record("geoip_country_code", country_code);
768 }
769
770 let mut teardown = self.teardown.subscribe();
771 async move {
772 if *teardown.borrow() {
773 tracing::error!("server is tearing down");
774 return
775 }
776
777 let (connection_id, handle_io, mut incoming_rx) = this
778 .peer
779 .add_connection(connection, {
780 let executor = executor.clone();
781 move |duration| executor.sleep(duration)
782 });
783 tracing::Span::current().record("connection_id", format!("{}", connection_id));
784
785 tracing::info!("connection opened");
786
787 let user_agent = format!("Zed Server/{}", env!("CARGO_PKG_VERSION"));
788 let http_client = match ReqwestClient::user_agent(&user_agent) {
789 Ok(http_client) => Arc::new(http_client),
790 Err(error) => {
791 tracing::error!(?error, "failed to create HTTP client");
792 return;
793 }
794 };
795
796 let supermaven_client = this.app_state.config.supermaven_admin_api_key.clone().map(|supermaven_admin_api_key| Arc::new(SupermavenAdminApi::new(
797 supermaven_admin_api_key.to_string(),
798 http_client.clone(),
799 )));
800
801 let session = Session {
802 principal: principal.clone(),
803 connection_id,
804 db: Arc::new(tokio::sync::Mutex::new(DbHandle(this.app_state.db.clone()))),
805 peer: this.peer.clone(),
806 connection_pool: this.connection_pool.clone(),
807 app_state: this.app_state.clone(),
808 geoip_country_code,
809 system_id,
810 _executor: executor.clone(),
811 supermaven_client,
812 };
813
814 if let Err(error) = this.send_initial_client_update(connection_id, zed_version, send_connection_id, &session).await {
815 tracing::error!(?error, "failed to send initial client update");
816 return;
817 }
818 drop(connection_guard);
819
820 let handle_io = handle_io.fuse();
821 futures::pin_mut!(handle_io);
822
823 // Handlers for foreground messages are pushed into the following `FuturesUnordered`.
824 // This prevents deadlocks when e.g., client A performs a request to client B and
825 // client B performs a request to client A. If both clients stop processing further
826 // messages until their respective request completes, they won't have a chance to
827 // respond to the other client's request and cause a deadlock.
828 //
829 // This arrangement ensures we will attempt to process earlier messages first, but fall
830 // back to processing messages arrived later in the spirit of making progress.
831 let mut foreground_message_handlers = FuturesUnordered::new();
832 let concurrent_handlers = Arc::new(Semaphore::new(256));
833 loop {
834 let next_message = async {
835 let permit = concurrent_handlers.clone().acquire_owned().await.unwrap();
836 let message = incoming_rx.next().await;
837 (permit, message)
838 }.fuse();
839 futures::pin_mut!(next_message);
840 futures::select_biased! {
841 _ = teardown.changed().fuse() => return,
842 result = handle_io => {
843 if let Err(error) = result {
844 tracing::error!(?error, "error handling I/O");
845 }
846 break;
847 }
848 _ = foreground_message_handlers.next() => {}
849 next_message = next_message => {
850 let (permit, message) = next_message;
851 if let Some(message) = message {
852 let type_name = message.payload_type_name();
853 // note: we copy all the fields from the parent span so we can query them in the logs.
854 // (https://github.com/tokio-rs/tracing/issues/2670).
855 let span = tracing::info_span!("receive message", %connection_id, %address, type_name,
856 user_id=field::Empty,
857 login=field::Empty,
858 impersonator=field::Empty,
859 );
860 principal.update_span(&span);
861 let span_enter = span.enter();
862 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
863 let is_background = message.is_background();
864 let handle_message = (handler)(message, session.clone());
865 drop(span_enter);
866
867 let handle_message = async move {
868 handle_message.await;
869 drop(permit);
870 }.instrument(span);
871 if is_background {
872 executor.spawn_detached(handle_message);
873 } else {
874 foreground_message_handlers.push(handle_message);
875 }
876 } else {
877 tracing::error!("no message handler");
878 }
879 } else {
880 tracing::info!("connection closed");
881 break;
882 }
883 }
884 }
885 }
886
887 drop(foreground_message_handlers);
888 tracing::info!("signing out");
889 if let Err(error) = connection_lost(session, teardown, executor).await {
890 tracing::error!(?error, "error signing out");
891 }
892
893 }.instrument(span)
894 }
895
896 async fn send_initial_client_update(
897 &self,
898 connection_id: ConnectionId,
899 zed_version: ZedVersion,
900 mut send_connection_id: Option<oneshot::Sender<ConnectionId>>,
901 session: &Session,
902 ) -> Result<()> {
903 self.peer.send(
904 connection_id,
905 proto::Hello {
906 peer_id: Some(connection_id.into()),
907 },
908 )?;
909 tracing::info!("sent hello message");
910 if let Some(send_connection_id) = send_connection_id.take() {
911 let _ = send_connection_id.send(connection_id);
912 }
913
914 match &session.principal {
915 Principal::User(user) | Principal::Impersonated { user, admin: _ } => {
916 if !user.connected_once {
917 self.peer.send(connection_id, proto::ShowContacts {})?;
918 self.app_state
919 .db
920 .set_user_connected_once(user.id, true)
921 .await?;
922 }
923
924 update_user_plan(session).await?;
925
926 let contacts = self.app_state.db.get_contacts(user.id).await?;
927
928 {
929 let mut pool = self.connection_pool.lock();
930 pool.add_connection(connection_id, user.id, user.admin, zed_version);
931 self.peer.send(
932 connection_id,
933 build_initial_contacts_update(contacts, &pool),
934 )?;
935 }
936
937 if should_auto_subscribe_to_channels(zed_version) {
938 subscribe_user_to_channels(user.id, session).await?;
939 }
940
941 if let Some(incoming_call) =
942 self.app_state.db.incoming_call_for_user(user.id).await?
943 {
944 self.peer.send(connection_id, incoming_call)?;
945 }
946
947 update_user_contacts(user.id, session).await?;
948 }
949 }
950
951 Ok(())
952 }
953
954 pub async fn invite_code_redeemed(
955 self: &Arc<Self>,
956 inviter_id: UserId,
957 invitee_id: UserId,
958 ) -> Result<()> {
959 if let Some(user) = self.app_state.db.get_user_by_id(inviter_id).await? {
960 if let Some(code) = &user.invite_code {
961 let pool = self.connection_pool.lock();
962 let invitee_contact = contact_for_user(invitee_id, false, &pool);
963 for connection_id in pool.user_connection_ids(inviter_id) {
964 self.peer.send(
965 connection_id,
966 proto::UpdateContacts {
967 contacts: vec![invitee_contact.clone()],
968 ..Default::default()
969 },
970 )?;
971 self.peer.send(
972 connection_id,
973 proto::UpdateInviteInfo {
974 url: format!("{}{}", self.app_state.config.invite_link_prefix, &code),
975 count: user.invite_count as u32,
976 },
977 )?;
978 }
979 }
980 }
981 Ok(())
982 }
983
984 pub async fn invite_count_updated(self: &Arc<Self>, user_id: UserId) -> Result<()> {
985 if let Some(user) = self.app_state.db.get_user_by_id(user_id).await? {
986 if let Some(invite_code) = &user.invite_code {
987 let pool = self.connection_pool.lock();
988 for connection_id in pool.user_connection_ids(user_id) {
989 self.peer.send(
990 connection_id,
991 proto::UpdateInviteInfo {
992 url: format!(
993 "{}{}",
994 self.app_state.config.invite_link_prefix, invite_code
995 ),
996 count: user.invite_count as u32,
997 },
998 )?;
999 }
1000 }
1001 }
1002 Ok(())
1003 }
1004
1005 pub async fn update_plan_for_user(self: &Arc<Self>, user_id: UserId) -> Result<()> {
1006 let user = self
1007 .app_state
1008 .db
1009 .get_user_by_id(user_id)
1010 .await?
1011 .context("user not found")?;
1012
1013 let update_user_plan = make_update_user_plan_message(
1014 &user,
1015 user.admin,
1016 &self.app_state.db,
1017 self.app_state.llm_db.clone(),
1018 )
1019 .await?;
1020
1021 let pool = self.connection_pool.lock();
1022 for connection_id in pool.user_connection_ids(user_id) {
1023 self.peer
1024 .send(connection_id, update_user_plan.clone())
1025 .trace_err();
1026 }
1027
1028 Ok(())
1029 }
1030
1031 pub async fn refresh_llm_tokens_for_user(self: &Arc<Self>, user_id: UserId) {
1032 let pool = self.connection_pool.lock();
1033 for connection_id in pool.user_connection_ids(user_id) {
1034 self.peer
1035 .send(connection_id, proto::RefreshLlmToken {})
1036 .trace_err();
1037 }
1038 }
1039
1040 pub async fn snapshot(self: &Arc<Self>) -> ServerSnapshot {
1041 ServerSnapshot {
1042 connection_pool: ConnectionPoolGuard {
1043 guard: self.connection_pool.lock(),
1044 _not_send: PhantomData,
1045 },
1046 peer: &self.peer,
1047 }
1048 }
1049}
1050
1051impl Deref for ConnectionPoolGuard<'_> {
1052 type Target = ConnectionPool;
1053
1054 fn deref(&self) -> &Self::Target {
1055 &self.guard
1056 }
1057}
1058
1059impl DerefMut for ConnectionPoolGuard<'_> {
1060 fn deref_mut(&mut self) -> &mut Self::Target {
1061 &mut self.guard
1062 }
1063}
1064
1065impl Drop for ConnectionPoolGuard<'_> {
1066 fn drop(&mut self) {
1067 #[cfg(test)]
1068 self.check_invariants();
1069 }
1070}
1071
1072fn broadcast<F>(
1073 sender_id: Option<ConnectionId>,
1074 receiver_ids: impl IntoIterator<Item = ConnectionId>,
1075 mut f: F,
1076) where
1077 F: FnMut(ConnectionId) -> anyhow::Result<()>,
1078{
1079 for receiver_id in receiver_ids {
1080 if Some(receiver_id) != sender_id {
1081 if let Err(error) = f(receiver_id) {
1082 tracing::error!("failed to send to {:?} {}", receiver_id, error);
1083 }
1084 }
1085 }
1086}
1087
1088pub struct ProtocolVersion(u32);
1089
1090impl Header for ProtocolVersion {
1091 fn name() -> &'static HeaderName {
1092 static ZED_PROTOCOL_VERSION: OnceLock<HeaderName> = OnceLock::new();
1093 ZED_PROTOCOL_VERSION.get_or_init(|| HeaderName::from_static("x-zed-protocol-version"))
1094 }
1095
1096 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
1097 where
1098 Self: Sized,
1099 I: Iterator<Item = &'i axum::http::HeaderValue>,
1100 {
1101 let version = values
1102 .next()
1103 .ok_or_else(axum::headers::Error::invalid)?
1104 .to_str()
1105 .map_err(|_| axum::headers::Error::invalid())?
1106 .parse()
1107 .map_err(|_| axum::headers::Error::invalid())?;
1108 Ok(Self(version))
1109 }
1110
1111 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
1112 values.extend([self.0.to_string().parse().unwrap()]);
1113 }
1114}
1115
1116pub struct AppVersionHeader(SemanticVersion);
1117impl Header for AppVersionHeader {
1118 fn name() -> &'static HeaderName {
1119 static ZED_APP_VERSION: OnceLock<HeaderName> = OnceLock::new();
1120 ZED_APP_VERSION.get_or_init(|| HeaderName::from_static("x-zed-app-version"))
1121 }
1122
1123 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
1124 where
1125 Self: Sized,
1126 I: Iterator<Item = &'i axum::http::HeaderValue>,
1127 {
1128 let version = values
1129 .next()
1130 .ok_or_else(axum::headers::Error::invalid)?
1131 .to_str()
1132 .map_err(|_| axum::headers::Error::invalid())?
1133 .parse()
1134 .map_err(|_| axum::headers::Error::invalid())?;
1135 Ok(Self(version))
1136 }
1137
1138 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
1139 values.extend([self.0.to_string().parse().unwrap()]);
1140 }
1141}
1142
1143pub fn routes(server: Arc<Server>) -> Router<(), Body> {
1144 Router::new()
1145 .route("/rpc", get(handle_websocket_request))
1146 .layer(
1147 ServiceBuilder::new()
1148 .layer(Extension(server.app_state.clone()))
1149 .layer(middleware::from_fn(auth::validate_header)),
1150 )
1151 .route("/metrics", get(handle_metrics))
1152 .layer(Extension(server))
1153}
1154
1155pub async fn handle_websocket_request(
1156 TypedHeader(ProtocolVersion(protocol_version)): TypedHeader<ProtocolVersion>,
1157 app_version_header: Option<TypedHeader<AppVersionHeader>>,
1158 ConnectInfo(socket_address): ConnectInfo<SocketAddr>,
1159 Extension(server): Extension<Arc<Server>>,
1160 Extension(principal): Extension<Principal>,
1161 country_code_header: Option<TypedHeader<CloudflareIpCountryHeader>>,
1162 system_id_header: Option<TypedHeader<SystemIdHeader>>,
1163 ws: WebSocketUpgrade,
1164) -> axum::response::Response {
1165 if protocol_version != rpc::PROTOCOL_VERSION {
1166 return (
1167 StatusCode::UPGRADE_REQUIRED,
1168 "client must be upgraded".to_string(),
1169 )
1170 .into_response();
1171 }
1172
1173 let Some(version) = app_version_header.map(|header| ZedVersion(header.0.0)) else {
1174 return (
1175 StatusCode::UPGRADE_REQUIRED,
1176 "no version header found".to_string(),
1177 )
1178 .into_response();
1179 };
1180
1181 if !version.can_collaborate() {
1182 return (
1183 StatusCode::UPGRADE_REQUIRED,
1184 "client must be upgraded".to_string(),
1185 )
1186 .into_response();
1187 }
1188
1189 let socket_address = socket_address.to_string();
1190
1191 // Acquire connection guard before WebSocket upgrade
1192 let connection_guard = match ConnectionGuard::try_acquire() {
1193 Ok(guard) => guard,
1194 Err(()) => {
1195 return (
1196 StatusCode::SERVICE_UNAVAILABLE,
1197 "Too many concurrent connections",
1198 )
1199 .into_response();
1200 }
1201 };
1202
1203 ws.on_upgrade(move |socket| {
1204 let socket = socket
1205 .map_ok(to_tungstenite_message)
1206 .err_into()
1207 .with(|message| async move { to_axum_message(message) });
1208 let connection = Connection::new(Box::pin(socket));
1209 async move {
1210 server
1211 .handle_connection(
1212 connection,
1213 socket_address,
1214 principal,
1215 version,
1216 country_code_header.map(|header| header.to_string()),
1217 system_id_header.map(|header| header.to_string()),
1218 None,
1219 Executor::Production,
1220 Some(connection_guard),
1221 )
1222 .await;
1223 }
1224 })
1225}
1226
1227pub async fn handle_metrics(Extension(server): Extension<Arc<Server>>) -> Result<String> {
1228 static CONNECTIONS_METRIC: OnceLock<IntGauge> = OnceLock::new();
1229 let connections_metric = CONNECTIONS_METRIC
1230 .get_or_init(|| register_int_gauge!("connections", "number of connections").unwrap());
1231
1232 let connections = server
1233 .connection_pool
1234 .lock()
1235 .connections()
1236 .filter(|connection| !connection.admin)
1237 .count();
1238 connections_metric.set(connections as _);
1239
1240 static SHARED_PROJECTS_METRIC: OnceLock<IntGauge> = OnceLock::new();
1241 let shared_projects_metric = SHARED_PROJECTS_METRIC.get_or_init(|| {
1242 register_int_gauge!(
1243 "shared_projects",
1244 "number of open projects with one or more guests"
1245 )
1246 .unwrap()
1247 });
1248
1249 let shared_projects = server.app_state.db.project_count_excluding_admins().await?;
1250 shared_projects_metric.set(shared_projects as _);
1251
1252 let encoder = prometheus::TextEncoder::new();
1253 let metric_families = prometheus::gather();
1254 let encoded_metrics = encoder
1255 .encode_to_string(&metric_families)
1256 .map_err(|err| anyhow!("{err}"))?;
1257 Ok(encoded_metrics)
1258}
1259
1260#[instrument(err, skip(executor))]
1261async fn connection_lost(
1262 session: Session,
1263 mut teardown: watch::Receiver<bool>,
1264 executor: Executor,
1265) -> Result<()> {
1266 session.peer.disconnect(session.connection_id);
1267 session
1268 .connection_pool()
1269 .await
1270 .remove_connection(session.connection_id)?;
1271
1272 session
1273 .db()
1274 .await
1275 .connection_lost(session.connection_id)
1276 .await
1277 .trace_err();
1278
1279 futures::select_biased! {
1280 _ = executor.sleep(RECONNECT_TIMEOUT).fuse() => {
1281
1282 log::info!("connection lost, removing all resources for user:{}, connection:{:?}", session.user_id(), session.connection_id);
1283 leave_room_for_session(&session, session.connection_id).await.trace_err();
1284 leave_channel_buffers_for_session(&session)
1285 .await
1286 .trace_err();
1287
1288 if !session
1289 .connection_pool()
1290 .await
1291 .is_user_online(session.user_id())
1292 {
1293 let db = session.db().await;
1294 if let Some(room) = db.decline_call(None, session.user_id()).await.trace_err().flatten() {
1295 room_updated(&room, &session.peer);
1296 }
1297 }
1298
1299 update_user_contacts(session.user_id(), &session).await?;
1300 },
1301 _ = teardown.changed().fuse() => {}
1302 }
1303
1304 Ok(())
1305}
1306
1307/// Acknowledges a ping from a client, used to keep the connection alive.
1308async fn ping(_: proto::Ping, response: Response<proto::Ping>, _session: Session) -> Result<()> {
1309 response.send(proto::Ack {})?;
1310 Ok(())
1311}
1312
1313/// Creates a new room for calling (outside of channels)
1314async fn create_room(
1315 _request: proto::CreateRoom,
1316 response: Response<proto::CreateRoom>,
1317 session: Session,
1318) -> Result<()> {
1319 let livekit_room = nanoid::nanoid!(30);
1320
1321 let live_kit_connection_info = util::maybe!(async {
1322 let live_kit = session.app_state.livekit_client.as_ref();
1323 let live_kit = live_kit?;
1324 let user_id = session.user_id().to_string();
1325
1326 let token = live_kit
1327 .room_token(&livekit_room, &user_id.to_string())
1328 .trace_err()?;
1329
1330 Some(proto::LiveKitConnectionInfo {
1331 server_url: live_kit.url().into(),
1332 token,
1333 can_publish: true,
1334 })
1335 })
1336 .await;
1337
1338 let room = session
1339 .db()
1340 .await
1341 .create_room(session.user_id(), session.connection_id, &livekit_room)
1342 .await?;
1343
1344 response.send(proto::CreateRoomResponse {
1345 room: Some(room.clone()),
1346 live_kit_connection_info,
1347 })?;
1348
1349 update_user_contacts(session.user_id(), &session).await?;
1350 Ok(())
1351}
1352
1353/// Join a room from an invitation. Equivalent to joining a channel if there is one.
1354async fn join_room(
1355 request: proto::JoinRoom,
1356 response: Response<proto::JoinRoom>,
1357 session: Session,
1358) -> Result<()> {
1359 let room_id = RoomId::from_proto(request.id);
1360
1361 let channel_id = session.db().await.channel_id_for_room(room_id).await?;
1362
1363 if let Some(channel_id) = channel_id {
1364 return join_channel_internal(channel_id, Box::new(response), session).await;
1365 }
1366
1367 let joined_room = {
1368 let room = session
1369 .db()
1370 .await
1371 .join_room(room_id, session.user_id(), session.connection_id)
1372 .await?;
1373 room_updated(&room.room, &session.peer);
1374 room.into_inner()
1375 };
1376
1377 for connection_id in session
1378 .connection_pool()
1379 .await
1380 .user_connection_ids(session.user_id())
1381 {
1382 session
1383 .peer
1384 .send(
1385 connection_id,
1386 proto::CallCanceled {
1387 room_id: room_id.to_proto(),
1388 },
1389 )
1390 .trace_err();
1391 }
1392
1393 let live_kit_connection_info = if let Some(live_kit) = session.app_state.livekit_client.as_ref()
1394 {
1395 live_kit
1396 .room_token(
1397 &joined_room.room.livekit_room,
1398 &session.user_id().to_string(),
1399 )
1400 .trace_err()
1401 .map(|token| proto::LiveKitConnectionInfo {
1402 server_url: live_kit.url().into(),
1403 token,
1404 can_publish: true,
1405 })
1406 } else {
1407 None
1408 };
1409
1410 response.send(proto::JoinRoomResponse {
1411 room: Some(joined_room.room),
1412 channel_id: None,
1413 live_kit_connection_info,
1414 })?;
1415
1416 update_user_contacts(session.user_id(), &session).await?;
1417 Ok(())
1418}
1419
1420/// Rejoin room is used to reconnect to a room after connection errors.
1421async fn rejoin_room(
1422 request: proto::RejoinRoom,
1423 response: Response<proto::RejoinRoom>,
1424 session: Session,
1425) -> Result<()> {
1426 let room;
1427 let channel;
1428 {
1429 let mut rejoined_room = session
1430 .db()
1431 .await
1432 .rejoin_room(request, session.user_id(), session.connection_id)
1433 .await?;
1434
1435 response.send(proto::RejoinRoomResponse {
1436 room: Some(rejoined_room.room.clone()),
1437 reshared_projects: rejoined_room
1438 .reshared_projects
1439 .iter()
1440 .map(|project| proto::ResharedProject {
1441 id: project.id.to_proto(),
1442 collaborators: project
1443 .collaborators
1444 .iter()
1445 .map(|collaborator| collaborator.to_proto())
1446 .collect(),
1447 })
1448 .collect(),
1449 rejoined_projects: rejoined_room
1450 .rejoined_projects
1451 .iter()
1452 .map(|rejoined_project| rejoined_project.to_proto())
1453 .collect(),
1454 })?;
1455 room_updated(&rejoined_room.room, &session.peer);
1456
1457 for project in &rejoined_room.reshared_projects {
1458 for collaborator in &project.collaborators {
1459 session
1460 .peer
1461 .send(
1462 collaborator.connection_id,
1463 proto::UpdateProjectCollaborator {
1464 project_id: project.id.to_proto(),
1465 old_peer_id: Some(project.old_connection_id.into()),
1466 new_peer_id: Some(session.connection_id.into()),
1467 },
1468 )
1469 .trace_err();
1470 }
1471
1472 broadcast(
1473 Some(session.connection_id),
1474 project
1475 .collaborators
1476 .iter()
1477 .map(|collaborator| collaborator.connection_id),
1478 |connection_id| {
1479 session.peer.forward_send(
1480 session.connection_id,
1481 connection_id,
1482 proto::UpdateProject {
1483 project_id: project.id.to_proto(),
1484 worktrees: project.worktrees.clone(),
1485 },
1486 )
1487 },
1488 );
1489 }
1490
1491 notify_rejoined_projects(&mut rejoined_room.rejoined_projects, &session)?;
1492
1493 let rejoined_room = rejoined_room.into_inner();
1494
1495 room = rejoined_room.room;
1496 channel = rejoined_room.channel;
1497 }
1498
1499 if let Some(channel) = channel {
1500 channel_updated(
1501 &channel,
1502 &room,
1503 &session.peer,
1504 &*session.connection_pool().await,
1505 );
1506 }
1507
1508 update_user_contacts(session.user_id(), &session).await?;
1509 Ok(())
1510}
1511
1512fn notify_rejoined_projects(
1513 rejoined_projects: &mut Vec<RejoinedProject>,
1514 session: &Session,
1515) -> Result<()> {
1516 for project in rejoined_projects.iter() {
1517 for collaborator in &project.collaborators {
1518 session
1519 .peer
1520 .send(
1521 collaborator.connection_id,
1522 proto::UpdateProjectCollaborator {
1523 project_id: project.id.to_proto(),
1524 old_peer_id: Some(project.old_connection_id.into()),
1525 new_peer_id: Some(session.connection_id.into()),
1526 },
1527 )
1528 .trace_err();
1529 }
1530 }
1531
1532 for project in rejoined_projects {
1533 for worktree in mem::take(&mut project.worktrees) {
1534 // Stream this worktree's entries.
1535 let message = proto::UpdateWorktree {
1536 project_id: project.id.to_proto(),
1537 worktree_id: worktree.id,
1538 abs_path: worktree.abs_path.clone(),
1539 root_name: worktree.root_name,
1540 updated_entries: worktree.updated_entries,
1541 removed_entries: worktree.removed_entries,
1542 scan_id: worktree.scan_id,
1543 is_last_update: worktree.completed_scan_id == worktree.scan_id,
1544 updated_repositories: worktree.updated_repositories,
1545 removed_repositories: worktree.removed_repositories,
1546 };
1547 for update in proto::split_worktree_update(message) {
1548 session.peer.send(session.connection_id, update)?;
1549 }
1550
1551 // Stream this worktree's diagnostics.
1552 for summary in worktree.diagnostic_summaries {
1553 session.peer.send(
1554 session.connection_id,
1555 proto::UpdateDiagnosticSummary {
1556 project_id: project.id.to_proto(),
1557 worktree_id: worktree.id,
1558 summary: Some(summary),
1559 },
1560 )?;
1561 }
1562
1563 for settings_file in worktree.settings_files {
1564 session.peer.send(
1565 session.connection_id,
1566 proto::UpdateWorktreeSettings {
1567 project_id: project.id.to_proto(),
1568 worktree_id: worktree.id,
1569 path: settings_file.path,
1570 content: Some(settings_file.content),
1571 kind: Some(settings_file.kind.to_proto().into()),
1572 },
1573 )?;
1574 }
1575 }
1576
1577 for repository in mem::take(&mut project.updated_repositories) {
1578 for update in split_repository_update(repository) {
1579 session.peer.send(session.connection_id, update)?;
1580 }
1581 }
1582
1583 for id in mem::take(&mut project.removed_repositories) {
1584 session.peer.send(
1585 session.connection_id,
1586 proto::RemoveRepository {
1587 project_id: project.id.to_proto(),
1588 id,
1589 },
1590 )?;
1591 }
1592 }
1593
1594 Ok(())
1595}
1596
1597/// leave room disconnects from the room.
1598async fn leave_room(
1599 _: proto::LeaveRoom,
1600 response: Response<proto::LeaveRoom>,
1601 session: Session,
1602) -> Result<()> {
1603 leave_room_for_session(&session, session.connection_id).await?;
1604 response.send(proto::Ack {})?;
1605 Ok(())
1606}
1607
1608/// Updates the permissions of someone else in the room.
1609async fn set_room_participant_role(
1610 request: proto::SetRoomParticipantRole,
1611 response: Response<proto::SetRoomParticipantRole>,
1612 session: Session,
1613) -> Result<()> {
1614 let user_id = UserId::from_proto(request.user_id);
1615 let role = ChannelRole::from(request.role());
1616
1617 let (livekit_room, can_publish) = {
1618 let room = session
1619 .db()
1620 .await
1621 .set_room_participant_role(
1622 session.user_id(),
1623 RoomId::from_proto(request.room_id),
1624 user_id,
1625 role,
1626 )
1627 .await?;
1628
1629 let livekit_room = room.livekit_room.clone();
1630 let can_publish = ChannelRole::from(request.role()).can_use_microphone();
1631 room_updated(&room, &session.peer);
1632 (livekit_room, can_publish)
1633 };
1634
1635 if let Some(live_kit) = session.app_state.livekit_client.as_ref() {
1636 live_kit
1637 .update_participant(
1638 livekit_room.clone(),
1639 request.user_id.to_string(),
1640 livekit_api::proto::ParticipantPermission {
1641 can_subscribe: true,
1642 can_publish,
1643 can_publish_data: can_publish,
1644 hidden: false,
1645 recorder: false,
1646 },
1647 )
1648 .await
1649 .trace_err();
1650 }
1651
1652 response.send(proto::Ack {})?;
1653 Ok(())
1654}
1655
1656/// Call someone else into the current room
1657async fn call(
1658 request: proto::Call,
1659 response: Response<proto::Call>,
1660 session: Session,
1661) -> Result<()> {
1662 let room_id = RoomId::from_proto(request.room_id);
1663 let calling_user_id = session.user_id();
1664 let calling_connection_id = session.connection_id;
1665 let called_user_id = UserId::from_proto(request.called_user_id);
1666 let initial_project_id = request.initial_project_id.map(ProjectId::from_proto);
1667 if !session
1668 .db()
1669 .await
1670 .has_contact(calling_user_id, called_user_id)
1671 .await?
1672 {
1673 return Err(anyhow!("cannot call a user who isn't a contact"))?;
1674 }
1675
1676 let incoming_call = {
1677 let (room, incoming_call) = &mut *session
1678 .db()
1679 .await
1680 .call(
1681 room_id,
1682 calling_user_id,
1683 calling_connection_id,
1684 called_user_id,
1685 initial_project_id,
1686 )
1687 .await?;
1688 room_updated(room, &session.peer);
1689 mem::take(incoming_call)
1690 };
1691 update_user_contacts(called_user_id, &session).await?;
1692
1693 let mut calls = session
1694 .connection_pool()
1695 .await
1696 .user_connection_ids(called_user_id)
1697 .map(|connection_id| session.peer.request(connection_id, incoming_call.clone()))
1698 .collect::<FuturesUnordered<_>>();
1699
1700 while let Some(call_response) = calls.next().await {
1701 match call_response.as_ref() {
1702 Ok(_) => {
1703 response.send(proto::Ack {})?;
1704 return Ok(());
1705 }
1706 Err(_) => {
1707 call_response.trace_err();
1708 }
1709 }
1710 }
1711
1712 {
1713 let room = session
1714 .db()
1715 .await
1716 .call_failed(room_id, called_user_id)
1717 .await?;
1718 room_updated(&room, &session.peer);
1719 }
1720 update_user_contacts(called_user_id, &session).await?;
1721
1722 Err(anyhow!("failed to ring user"))?
1723}
1724
1725/// Cancel an outgoing call.
1726async fn cancel_call(
1727 request: proto::CancelCall,
1728 response: Response<proto::CancelCall>,
1729 session: Session,
1730) -> Result<()> {
1731 let called_user_id = UserId::from_proto(request.called_user_id);
1732 let room_id = RoomId::from_proto(request.room_id);
1733 {
1734 let room = session
1735 .db()
1736 .await
1737 .cancel_call(room_id, session.connection_id, called_user_id)
1738 .await?;
1739 room_updated(&room, &session.peer);
1740 }
1741
1742 for connection_id in session
1743 .connection_pool()
1744 .await
1745 .user_connection_ids(called_user_id)
1746 {
1747 session
1748 .peer
1749 .send(
1750 connection_id,
1751 proto::CallCanceled {
1752 room_id: room_id.to_proto(),
1753 },
1754 )
1755 .trace_err();
1756 }
1757 response.send(proto::Ack {})?;
1758
1759 update_user_contacts(called_user_id, &session).await?;
1760 Ok(())
1761}
1762
1763/// Decline an incoming call.
1764async fn decline_call(message: proto::DeclineCall, session: Session) -> Result<()> {
1765 let room_id = RoomId::from_proto(message.room_id);
1766 {
1767 let room = session
1768 .db()
1769 .await
1770 .decline_call(Some(room_id), session.user_id())
1771 .await?
1772 .context("declining call")?;
1773 room_updated(&room, &session.peer);
1774 }
1775
1776 for connection_id in session
1777 .connection_pool()
1778 .await
1779 .user_connection_ids(session.user_id())
1780 {
1781 session
1782 .peer
1783 .send(
1784 connection_id,
1785 proto::CallCanceled {
1786 room_id: room_id.to_proto(),
1787 },
1788 )
1789 .trace_err();
1790 }
1791 update_user_contacts(session.user_id(), &session).await?;
1792 Ok(())
1793}
1794
1795/// Updates other participants in the room with your current location.
1796async fn update_participant_location(
1797 request: proto::UpdateParticipantLocation,
1798 response: Response<proto::UpdateParticipantLocation>,
1799 session: Session,
1800) -> Result<()> {
1801 let room_id = RoomId::from_proto(request.room_id);
1802 let location = request.location.context("invalid location")?;
1803
1804 let db = session.db().await;
1805 let room = db
1806 .update_room_participant_location(room_id, session.connection_id, location)
1807 .await?;
1808
1809 room_updated(&room, &session.peer);
1810 response.send(proto::Ack {})?;
1811 Ok(())
1812}
1813
1814/// Share a project into the room.
1815async fn share_project(
1816 request: proto::ShareProject,
1817 response: Response<proto::ShareProject>,
1818 session: Session,
1819) -> Result<()> {
1820 let (project_id, room) = &*session
1821 .db()
1822 .await
1823 .share_project(
1824 RoomId::from_proto(request.room_id),
1825 session.connection_id,
1826 &request.worktrees,
1827 request.is_ssh_project,
1828 )
1829 .await?;
1830 response.send(proto::ShareProjectResponse {
1831 project_id: project_id.to_proto(),
1832 })?;
1833 room_updated(room, &session.peer);
1834
1835 Ok(())
1836}
1837
1838/// Unshare a project from the room.
1839async fn unshare_project(message: proto::UnshareProject, session: Session) -> Result<()> {
1840 let project_id = ProjectId::from_proto(message.project_id);
1841 unshare_project_internal(project_id, session.connection_id, &session).await
1842}
1843
1844async fn unshare_project_internal(
1845 project_id: ProjectId,
1846 connection_id: ConnectionId,
1847 session: &Session,
1848) -> Result<()> {
1849 let delete = {
1850 let room_guard = session
1851 .db()
1852 .await
1853 .unshare_project(project_id, connection_id)
1854 .await?;
1855
1856 let (delete, room, guest_connection_ids) = &*room_guard;
1857
1858 let message = proto::UnshareProject {
1859 project_id: project_id.to_proto(),
1860 };
1861
1862 broadcast(
1863 Some(connection_id),
1864 guest_connection_ids.iter().copied(),
1865 |conn_id| session.peer.send(conn_id, message.clone()),
1866 );
1867 if let Some(room) = room {
1868 room_updated(room, &session.peer);
1869 }
1870
1871 *delete
1872 };
1873
1874 if delete {
1875 let db = session.db().await;
1876 db.delete_project(project_id).await?;
1877 }
1878
1879 Ok(())
1880}
1881
1882/// Join someone elses shared project.
1883async fn join_project(
1884 request: proto::JoinProject,
1885 response: Response<proto::JoinProject>,
1886 session: Session,
1887) -> Result<()> {
1888 let project_id = ProjectId::from_proto(request.project_id);
1889
1890 tracing::info!(%project_id, "join project");
1891
1892 let db = session.db().await;
1893 let (project, replica_id) = &mut *db
1894 .join_project(
1895 project_id,
1896 session.connection_id,
1897 session.user_id(),
1898 request.committer_name.clone(),
1899 request.committer_email.clone(),
1900 )
1901 .await?;
1902 drop(db);
1903 tracing::info!(%project_id, "join remote project");
1904 let collaborators = project
1905 .collaborators
1906 .iter()
1907 .filter(|collaborator| collaborator.connection_id != session.connection_id)
1908 .map(|collaborator| collaborator.to_proto())
1909 .collect::<Vec<_>>();
1910 let project_id = project.id;
1911 let guest_user_id = session.user_id();
1912
1913 let worktrees = project
1914 .worktrees
1915 .iter()
1916 .map(|(id, worktree)| proto::WorktreeMetadata {
1917 id: *id,
1918 root_name: worktree.root_name.clone(),
1919 visible: worktree.visible,
1920 abs_path: worktree.abs_path.clone(),
1921 })
1922 .collect::<Vec<_>>();
1923
1924 let add_project_collaborator = proto::AddProjectCollaborator {
1925 project_id: project_id.to_proto(),
1926 collaborator: Some(proto::Collaborator {
1927 peer_id: Some(session.connection_id.into()),
1928 replica_id: replica_id.0 as u32,
1929 user_id: guest_user_id.to_proto(),
1930 is_host: false,
1931 committer_name: request.committer_name.clone(),
1932 committer_email: request.committer_email.clone(),
1933 }),
1934 };
1935
1936 for collaborator in &collaborators {
1937 session
1938 .peer
1939 .send(
1940 collaborator.peer_id.unwrap().into(),
1941 add_project_collaborator.clone(),
1942 )
1943 .trace_err();
1944 }
1945
1946 // First, we send the metadata associated with each worktree.
1947 response.send(proto::JoinProjectResponse {
1948 project_id: project.id.0 as u64,
1949 worktrees: worktrees.clone(),
1950 replica_id: replica_id.0 as u32,
1951 collaborators: collaborators.clone(),
1952 language_servers: project.language_servers.clone(),
1953 role: project.role.into(),
1954 })?;
1955
1956 for (worktree_id, worktree) in mem::take(&mut project.worktrees) {
1957 // Stream this worktree's entries.
1958 let message = proto::UpdateWorktree {
1959 project_id: project_id.to_proto(),
1960 worktree_id,
1961 abs_path: worktree.abs_path.clone(),
1962 root_name: worktree.root_name,
1963 updated_entries: worktree.entries,
1964 removed_entries: Default::default(),
1965 scan_id: worktree.scan_id,
1966 is_last_update: worktree.scan_id == worktree.completed_scan_id,
1967 updated_repositories: worktree.legacy_repository_entries.into_values().collect(),
1968 removed_repositories: Default::default(),
1969 };
1970 for update in proto::split_worktree_update(message) {
1971 session.peer.send(session.connection_id, update.clone())?;
1972 }
1973
1974 // Stream this worktree's diagnostics.
1975 for summary in worktree.diagnostic_summaries {
1976 session.peer.send(
1977 session.connection_id,
1978 proto::UpdateDiagnosticSummary {
1979 project_id: project_id.to_proto(),
1980 worktree_id: worktree.id,
1981 summary: Some(summary),
1982 },
1983 )?;
1984 }
1985
1986 for settings_file in worktree.settings_files {
1987 session.peer.send(
1988 session.connection_id,
1989 proto::UpdateWorktreeSettings {
1990 project_id: project_id.to_proto(),
1991 worktree_id: worktree.id,
1992 path: settings_file.path,
1993 content: Some(settings_file.content),
1994 kind: Some(settings_file.kind.to_proto() as i32),
1995 },
1996 )?;
1997 }
1998 }
1999
2000 for repository in mem::take(&mut project.repositories) {
2001 for update in split_repository_update(repository) {
2002 session.peer.send(session.connection_id, update)?;
2003 }
2004 }
2005
2006 for language_server in &project.language_servers {
2007 session.peer.send(
2008 session.connection_id,
2009 proto::UpdateLanguageServer {
2010 project_id: project_id.to_proto(),
2011 language_server_id: language_server.id,
2012 variant: Some(
2013 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
2014 proto::LspDiskBasedDiagnosticsUpdated {},
2015 ),
2016 ),
2017 },
2018 )?;
2019 }
2020
2021 Ok(())
2022}
2023
2024/// Leave someone elses shared project.
2025async fn leave_project(request: proto::LeaveProject, session: Session) -> Result<()> {
2026 let sender_id = session.connection_id;
2027 let project_id = ProjectId::from_proto(request.project_id);
2028 let db = session.db().await;
2029
2030 let (room, project) = &*db.leave_project(project_id, sender_id).await?;
2031 tracing::info!(
2032 %project_id,
2033 "leave project"
2034 );
2035
2036 project_left(project, &session);
2037 if let Some(room) = room {
2038 room_updated(room, &session.peer);
2039 }
2040
2041 Ok(())
2042}
2043
2044/// Updates other participants with changes to the project
2045async fn update_project(
2046 request: proto::UpdateProject,
2047 response: Response<proto::UpdateProject>,
2048 session: Session,
2049) -> Result<()> {
2050 let project_id = ProjectId::from_proto(request.project_id);
2051 let (room, guest_connection_ids) = &*session
2052 .db()
2053 .await
2054 .update_project(project_id, session.connection_id, &request.worktrees)
2055 .await?;
2056 broadcast(
2057 Some(session.connection_id),
2058 guest_connection_ids.iter().copied(),
2059 |connection_id| {
2060 session
2061 .peer
2062 .forward_send(session.connection_id, connection_id, request.clone())
2063 },
2064 );
2065 if let Some(room) = room {
2066 room_updated(room, &session.peer);
2067 }
2068 response.send(proto::Ack {})?;
2069
2070 Ok(())
2071}
2072
2073/// Updates other participants with changes to the worktree
2074async fn update_worktree(
2075 request: proto::UpdateWorktree,
2076 response: Response<proto::UpdateWorktree>,
2077 session: Session,
2078) -> Result<()> {
2079 let guest_connection_ids = session
2080 .db()
2081 .await
2082 .update_worktree(&request, session.connection_id)
2083 .await?;
2084
2085 broadcast(
2086 Some(session.connection_id),
2087 guest_connection_ids.iter().copied(),
2088 |connection_id| {
2089 session
2090 .peer
2091 .forward_send(session.connection_id, connection_id, request.clone())
2092 },
2093 );
2094 response.send(proto::Ack {})?;
2095 Ok(())
2096}
2097
2098async fn update_repository(
2099 request: proto::UpdateRepository,
2100 response: Response<proto::UpdateRepository>,
2101 session: Session,
2102) -> Result<()> {
2103 let guest_connection_ids = session
2104 .db()
2105 .await
2106 .update_repository(&request, session.connection_id)
2107 .await?;
2108
2109 broadcast(
2110 Some(session.connection_id),
2111 guest_connection_ids.iter().copied(),
2112 |connection_id| {
2113 session
2114 .peer
2115 .forward_send(session.connection_id, connection_id, request.clone())
2116 },
2117 );
2118 response.send(proto::Ack {})?;
2119 Ok(())
2120}
2121
2122async fn remove_repository(
2123 request: proto::RemoveRepository,
2124 response: Response<proto::RemoveRepository>,
2125 session: Session,
2126) -> Result<()> {
2127 let guest_connection_ids = session
2128 .db()
2129 .await
2130 .remove_repository(&request, session.connection_id)
2131 .await?;
2132
2133 broadcast(
2134 Some(session.connection_id),
2135 guest_connection_ids.iter().copied(),
2136 |connection_id| {
2137 session
2138 .peer
2139 .forward_send(session.connection_id, connection_id, request.clone())
2140 },
2141 );
2142 response.send(proto::Ack {})?;
2143 Ok(())
2144}
2145
2146/// Updates other participants with changes to the diagnostics
2147async fn update_diagnostic_summary(
2148 message: proto::UpdateDiagnosticSummary,
2149 session: Session,
2150) -> Result<()> {
2151 let guest_connection_ids = session
2152 .db()
2153 .await
2154 .update_diagnostic_summary(&message, session.connection_id)
2155 .await?;
2156
2157 broadcast(
2158 Some(session.connection_id),
2159 guest_connection_ids.iter().copied(),
2160 |connection_id| {
2161 session
2162 .peer
2163 .forward_send(session.connection_id, connection_id, message.clone())
2164 },
2165 );
2166
2167 Ok(())
2168}
2169
2170/// Updates other participants with changes to the worktree settings
2171async fn update_worktree_settings(
2172 message: proto::UpdateWorktreeSettings,
2173 session: Session,
2174) -> Result<()> {
2175 let guest_connection_ids = session
2176 .db()
2177 .await
2178 .update_worktree_settings(&message, session.connection_id)
2179 .await?;
2180
2181 broadcast(
2182 Some(session.connection_id),
2183 guest_connection_ids.iter().copied(),
2184 |connection_id| {
2185 session
2186 .peer
2187 .forward_send(session.connection_id, connection_id, message.clone())
2188 },
2189 );
2190
2191 Ok(())
2192}
2193
2194/// Notify other participants that a language server has started.
2195async fn start_language_server(
2196 request: proto::StartLanguageServer,
2197 session: Session,
2198) -> Result<()> {
2199 let guest_connection_ids = session
2200 .db()
2201 .await
2202 .start_language_server(&request, session.connection_id)
2203 .await?;
2204
2205 broadcast(
2206 Some(session.connection_id),
2207 guest_connection_ids.iter().copied(),
2208 |connection_id| {
2209 session
2210 .peer
2211 .forward_send(session.connection_id, connection_id, request.clone())
2212 },
2213 );
2214 Ok(())
2215}
2216
2217/// Notify other participants that a language server has changed.
2218async fn update_language_server(
2219 request: proto::UpdateLanguageServer,
2220 session: Session,
2221) -> Result<()> {
2222 let project_id = ProjectId::from_proto(request.project_id);
2223 let project_connection_ids = session
2224 .db()
2225 .await
2226 .project_connection_ids(project_id, session.connection_id, true)
2227 .await?;
2228 broadcast(
2229 Some(session.connection_id),
2230 project_connection_ids.iter().copied(),
2231 |connection_id| {
2232 session
2233 .peer
2234 .forward_send(session.connection_id, connection_id, request.clone())
2235 },
2236 );
2237 Ok(())
2238}
2239
2240/// forward a project request to the host. These requests should be read only
2241/// as guests are allowed to send them.
2242async fn forward_read_only_project_request<T>(
2243 request: T,
2244 response: Response<T>,
2245 session: Session,
2246) -> Result<()>
2247where
2248 T: EntityMessage + RequestMessage,
2249{
2250 let project_id = ProjectId::from_proto(request.remote_entity_id());
2251 let host_connection_id = session
2252 .db()
2253 .await
2254 .host_for_read_only_project_request(project_id, session.connection_id)
2255 .await?;
2256 let payload = session
2257 .peer
2258 .forward_request(session.connection_id, host_connection_id, request)
2259 .await?;
2260 response.send(payload)?;
2261 Ok(())
2262}
2263
2264async fn forward_find_search_candidates_request(
2265 request: proto::FindSearchCandidates,
2266 response: Response<proto::FindSearchCandidates>,
2267 session: Session,
2268) -> Result<()> {
2269 let project_id = ProjectId::from_proto(request.remote_entity_id());
2270 let host_connection_id = session
2271 .db()
2272 .await
2273 .host_for_read_only_project_request(project_id, session.connection_id)
2274 .await?;
2275 let payload = session
2276 .peer
2277 .forward_request(session.connection_id, host_connection_id, request)
2278 .await?;
2279 response.send(payload)?;
2280 Ok(())
2281}
2282
2283/// forward a project request to the host. These requests are disallowed
2284/// for guests.
2285async fn forward_mutating_project_request<T>(
2286 request: T,
2287 response: Response<T>,
2288 session: Session,
2289) -> Result<()>
2290where
2291 T: EntityMessage + RequestMessage,
2292{
2293 let project_id = ProjectId::from_proto(request.remote_entity_id());
2294
2295 let host_connection_id = session
2296 .db()
2297 .await
2298 .host_for_mutating_project_request(project_id, session.connection_id)
2299 .await?;
2300 let payload = session
2301 .peer
2302 .forward_request(session.connection_id, host_connection_id, request)
2303 .await?;
2304 response.send(payload)?;
2305 Ok(())
2306}
2307
2308/// Notify other participants that a new buffer has been created
2309async fn create_buffer_for_peer(
2310 request: proto::CreateBufferForPeer,
2311 session: Session,
2312) -> Result<()> {
2313 session
2314 .db()
2315 .await
2316 .check_user_is_project_host(
2317 ProjectId::from_proto(request.project_id),
2318 session.connection_id,
2319 )
2320 .await?;
2321 let peer_id = request.peer_id.context("invalid peer id")?;
2322 session
2323 .peer
2324 .forward_send(session.connection_id, peer_id.into(), request)?;
2325 Ok(())
2326}
2327
2328/// Notify other participants that a buffer has been updated. This is
2329/// allowed for guests as long as the update is limited to selections.
2330async fn update_buffer(
2331 request: proto::UpdateBuffer,
2332 response: Response<proto::UpdateBuffer>,
2333 session: Session,
2334) -> Result<()> {
2335 let project_id = ProjectId::from_proto(request.project_id);
2336 let mut capability = Capability::ReadOnly;
2337
2338 for op in request.operations.iter() {
2339 match op.variant {
2340 None | Some(proto::operation::Variant::UpdateSelections(_)) => {}
2341 Some(_) => capability = Capability::ReadWrite,
2342 }
2343 }
2344
2345 let host = {
2346 let guard = session
2347 .db()
2348 .await
2349 .connections_for_buffer_update(project_id, session.connection_id, capability)
2350 .await?;
2351
2352 let (host, guests) = &*guard;
2353
2354 broadcast(
2355 Some(session.connection_id),
2356 guests.clone(),
2357 |connection_id| {
2358 session
2359 .peer
2360 .forward_send(session.connection_id, connection_id, request.clone())
2361 },
2362 );
2363
2364 *host
2365 };
2366
2367 if host != session.connection_id {
2368 session
2369 .peer
2370 .forward_request(session.connection_id, host, request.clone())
2371 .await?;
2372 }
2373
2374 response.send(proto::Ack {})?;
2375 Ok(())
2376}
2377
2378async fn update_context(message: proto::UpdateContext, session: Session) -> Result<()> {
2379 let project_id = ProjectId::from_proto(message.project_id);
2380
2381 let operation = message.operation.as_ref().context("invalid operation")?;
2382 let capability = match operation.variant.as_ref() {
2383 Some(proto::context_operation::Variant::BufferOperation(buffer_op)) => {
2384 if let Some(buffer_op) = buffer_op.operation.as_ref() {
2385 match buffer_op.variant {
2386 None | Some(proto::operation::Variant::UpdateSelections(_)) => {
2387 Capability::ReadOnly
2388 }
2389 _ => Capability::ReadWrite,
2390 }
2391 } else {
2392 Capability::ReadWrite
2393 }
2394 }
2395 Some(_) => Capability::ReadWrite,
2396 None => Capability::ReadOnly,
2397 };
2398
2399 let guard = session
2400 .db()
2401 .await
2402 .connections_for_buffer_update(project_id, session.connection_id, capability)
2403 .await?;
2404
2405 let (host, guests) = &*guard;
2406
2407 broadcast(
2408 Some(session.connection_id),
2409 guests.iter().chain([host]).copied(),
2410 |connection_id| {
2411 session
2412 .peer
2413 .forward_send(session.connection_id, connection_id, message.clone())
2414 },
2415 );
2416
2417 Ok(())
2418}
2419
2420/// Notify other participants that a project has been updated.
2421async fn broadcast_project_message_from_host<T: EntityMessage<Entity = ShareProject>>(
2422 request: T,
2423 session: Session,
2424) -> Result<()> {
2425 let project_id = ProjectId::from_proto(request.remote_entity_id());
2426 let project_connection_ids = session
2427 .db()
2428 .await
2429 .project_connection_ids(project_id, session.connection_id, false)
2430 .await?;
2431
2432 broadcast(
2433 Some(session.connection_id),
2434 project_connection_ids.iter().copied(),
2435 |connection_id| {
2436 session
2437 .peer
2438 .forward_send(session.connection_id, connection_id, request.clone())
2439 },
2440 );
2441 Ok(())
2442}
2443
2444/// Start following another user in a call.
2445async fn follow(
2446 request: proto::Follow,
2447 response: Response<proto::Follow>,
2448 session: Session,
2449) -> Result<()> {
2450 let room_id = RoomId::from_proto(request.room_id);
2451 let project_id = request.project_id.map(ProjectId::from_proto);
2452 let leader_id = request.leader_id.context("invalid leader id")?.into();
2453 let follower_id = session.connection_id;
2454
2455 session
2456 .db()
2457 .await
2458 .check_room_participants(room_id, leader_id, session.connection_id)
2459 .await?;
2460
2461 let response_payload = session
2462 .peer
2463 .forward_request(session.connection_id, leader_id, request)
2464 .await?;
2465 response.send(response_payload)?;
2466
2467 if let Some(project_id) = project_id {
2468 let room = session
2469 .db()
2470 .await
2471 .follow(room_id, project_id, leader_id, follower_id)
2472 .await?;
2473 room_updated(&room, &session.peer);
2474 }
2475
2476 Ok(())
2477}
2478
2479/// Stop following another user in a call.
2480async fn unfollow(request: proto::Unfollow, session: Session) -> Result<()> {
2481 let room_id = RoomId::from_proto(request.room_id);
2482 let project_id = request.project_id.map(ProjectId::from_proto);
2483 let leader_id = request.leader_id.context("invalid leader id")?.into();
2484 let follower_id = session.connection_id;
2485
2486 session
2487 .db()
2488 .await
2489 .check_room_participants(room_id, leader_id, session.connection_id)
2490 .await?;
2491
2492 session
2493 .peer
2494 .forward_send(session.connection_id, leader_id, request)?;
2495
2496 if let Some(project_id) = project_id {
2497 let room = session
2498 .db()
2499 .await
2500 .unfollow(room_id, project_id, leader_id, follower_id)
2501 .await?;
2502 room_updated(&room, &session.peer);
2503 }
2504
2505 Ok(())
2506}
2507
2508/// Notify everyone following you of your current location.
2509async fn update_followers(request: proto::UpdateFollowers, session: Session) -> Result<()> {
2510 let room_id = RoomId::from_proto(request.room_id);
2511 let database = session.db.lock().await;
2512
2513 let connection_ids = if let Some(project_id) = request.project_id {
2514 let project_id = ProjectId::from_proto(project_id);
2515 database
2516 .project_connection_ids(project_id, session.connection_id, true)
2517 .await?
2518 } else {
2519 database
2520 .room_connection_ids(room_id, session.connection_id)
2521 .await?
2522 };
2523
2524 // For now, don't send view update messages back to that view's current leader.
2525 let peer_id_to_omit = request.variant.as_ref().and_then(|variant| match variant {
2526 proto::update_followers::Variant::UpdateView(payload) => payload.leader_id,
2527 _ => None,
2528 });
2529
2530 for connection_id in connection_ids.iter().cloned() {
2531 if Some(connection_id.into()) != peer_id_to_omit && connection_id != session.connection_id {
2532 session
2533 .peer
2534 .forward_send(session.connection_id, connection_id, request.clone())?;
2535 }
2536 }
2537 Ok(())
2538}
2539
2540/// Get public data about users.
2541async fn get_users(
2542 request: proto::GetUsers,
2543 response: Response<proto::GetUsers>,
2544 session: Session,
2545) -> Result<()> {
2546 let user_ids = request
2547 .user_ids
2548 .into_iter()
2549 .map(UserId::from_proto)
2550 .collect();
2551 let users = session
2552 .db()
2553 .await
2554 .get_users_by_ids(user_ids)
2555 .await?
2556 .into_iter()
2557 .map(|user| proto::User {
2558 id: user.id.to_proto(),
2559 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
2560 github_login: user.github_login,
2561 name: user.name,
2562 })
2563 .collect();
2564 response.send(proto::UsersResponse { users })?;
2565 Ok(())
2566}
2567
2568/// Search for users (to invite) buy Github login
2569async fn fuzzy_search_users(
2570 request: proto::FuzzySearchUsers,
2571 response: Response<proto::FuzzySearchUsers>,
2572 session: Session,
2573) -> Result<()> {
2574 let query = request.query;
2575 let users = match query.len() {
2576 0 => vec![],
2577 1 | 2 => session
2578 .db()
2579 .await
2580 .get_user_by_github_login(&query)
2581 .await?
2582 .into_iter()
2583 .collect(),
2584 _ => session.db().await.fuzzy_search_users(&query, 10).await?,
2585 };
2586 let users = users
2587 .into_iter()
2588 .filter(|user| user.id != session.user_id())
2589 .map(|user| proto::User {
2590 id: user.id.to_proto(),
2591 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
2592 github_login: user.github_login,
2593 name: user.name,
2594 })
2595 .collect();
2596 response.send(proto::UsersResponse { users })?;
2597 Ok(())
2598}
2599
2600/// Send a contact request to another user.
2601async fn request_contact(
2602 request: proto::RequestContact,
2603 response: Response<proto::RequestContact>,
2604 session: Session,
2605) -> Result<()> {
2606 let requester_id = session.user_id();
2607 let responder_id = UserId::from_proto(request.responder_id);
2608 if requester_id == responder_id {
2609 return Err(anyhow!("cannot add yourself as a contact"))?;
2610 }
2611
2612 let notifications = session
2613 .db()
2614 .await
2615 .send_contact_request(requester_id, responder_id)
2616 .await?;
2617
2618 // Update outgoing contact requests of requester
2619 let mut update = proto::UpdateContacts::default();
2620 update.outgoing_requests.push(responder_id.to_proto());
2621 for connection_id in session
2622 .connection_pool()
2623 .await
2624 .user_connection_ids(requester_id)
2625 {
2626 session.peer.send(connection_id, update.clone())?;
2627 }
2628
2629 // Update incoming contact requests of responder
2630 let mut update = proto::UpdateContacts::default();
2631 update
2632 .incoming_requests
2633 .push(proto::IncomingContactRequest {
2634 requester_id: requester_id.to_proto(),
2635 });
2636 let connection_pool = session.connection_pool().await;
2637 for connection_id in connection_pool.user_connection_ids(responder_id) {
2638 session.peer.send(connection_id, update.clone())?;
2639 }
2640
2641 send_notifications(&connection_pool, &session.peer, notifications);
2642
2643 response.send(proto::Ack {})?;
2644 Ok(())
2645}
2646
2647/// Accept or decline a contact request
2648async fn respond_to_contact_request(
2649 request: proto::RespondToContactRequest,
2650 response: Response<proto::RespondToContactRequest>,
2651 session: Session,
2652) -> Result<()> {
2653 let responder_id = session.user_id();
2654 let requester_id = UserId::from_proto(request.requester_id);
2655 let db = session.db().await;
2656 if request.response == proto::ContactRequestResponse::Dismiss as i32 {
2657 db.dismiss_contact_notification(responder_id, requester_id)
2658 .await?;
2659 } else {
2660 let accept = request.response == proto::ContactRequestResponse::Accept as i32;
2661
2662 let notifications = db
2663 .respond_to_contact_request(responder_id, requester_id, accept)
2664 .await?;
2665 let requester_busy = db.is_user_busy(requester_id).await?;
2666 let responder_busy = db.is_user_busy(responder_id).await?;
2667
2668 let pool = session.connection_pool().await;
2669 // Update responder with new contact
2670 let mut update = proto::UpdateContacts::default();
2671 if accept {
2672 update
2673 .contacts
2674 .push(contact_for_user(requester_id, requester_busy, &pool));
2675 }
2676 update
2677 .remove_incoming_requests
2678 .push(requester_id.to_proto());
2679 for connection_id in pool.user_connection_ids(responder_id) {
2680 session.peer.send(connection_id, update.clone())?;
2681 }
2682
2683 // Update requester with new contact
2684 let mut update = proto::UpdateContacts::default();
2685 if accept {
2686 update
2687 .contacts
2688 .push(contact_for_user(responder_id, responder_busy, &pool));
2689 }
2690 update
2691 .remove_outgoing_requests
2692 .push(responder_id.to_proto());
2693
2694 for connection_id in pool.user_connection_ids(requester_id) {
2695 session.peer.send(connection_id, update.clone())?;
2696 }
2697
2698 send_notifications(&pool, &session.peer, notifications);
2699 }
2700
2701 response.send(proto::Ack {})?;
2702 Ok(())
2703}
2704
2705/// Remove a contact.
2706async fn remove_contact(
2707 request: proto::RemoveContact,
2708 response: Response<proto::RemoveContact>,
2709 session: Session,
2710) -> Result<()> {
2711 let requester_id = session.user_id();
2712 let responder_id = UserId::from_proto(request.user_id);
2713 let db = session.db().await;
2714 let (contact_accepted, deleted_notification_id) =
2715 db.remove_contact(requester_id, responder_id).await?;
2716
2717 let pool = session.connection_pool().await;
2718 // Update outgoing contact requests of requester
2719 let mut update = proto::UpdateContacts::default();
2720 if contact_accepted {
2721 update.remove_contacts.push(responder_id.to_proto());
2722 } else {
2723 update
2724 .remove_outgoing_requests
2725 .push(responder_id.to_proto());
2726 }
2727 for connection_id in pool.user_connection_ids(requester_id) {
2728 session.peer.send(connection_id, update.clone())?;
2729 }
2730
2731 // Update incoming contact requests of responder
2732 let mut update = proto::UpdateContacts::default();
2733 if contact_accepted {
2734 update.remove_contacts.push(requester_id.to_proto());
2735 } else {
2736 update
2737 .remove_incoming_requests
2738 .push(requester_id.to_proto());
2739 }
2740 for connection_id in pool.user_connection_ids(responder_id) {
2741 session.peer.send(connection_id, update.clone())?;
2742 if let Some(notification_id) = deleted_notification_id {
2743 session.peer.send(
2744 connection_id,
2745 proto::DeleteNotification {
2746 notification_id: notification_id.to_proto(),
2747 },
2748 )?;
2749 }
2750 }
2751
2752 response.send(proto::Ack {})?;
2753 Ok(())
2754}
2755
2756fn should_auto_subscribe_to_channels(version: ZedVersion) -> bool {
2757 version.0.minor() < 139
2758}
2759
2760async fn current_plan(db: &Arc<Database>, user_id: UserId, is_staff: bool) -> Result<proto::Plan> {
2761 if is_staff {
2762 return Ok(proto::Plan::ZedPro);
2763 }
2764
2765 let subscription = db.get_active_billing_subscription(user_id).await?;
2766 let subscription_kind = subscription.and_then(|subscription| subscription.kind);
2767
2768 let plan = if let Some(subscription_kind) = subscription_kind {
2769 match subscription_kind {
2770 SubscriptionKind::ZedPro => proto::Plan::ZedPro,
2771 SubscriptionKind::ZedProTrial => proto::Plan::ZedProTrial,
2772 SubscriptionKind::ZedFree => proto::Plan::Free,
2773 }
2774 } else {
2775 proto::Plan::Free
2776 };
2777
2778 Ok(plan)
2779}
2780
2781async fn make_update_user_plan_message(
2782 user: &User,
2783 is_staff: bool,
2784 db: &Arc<Database>,
2785 llm_db: Option<Arc<LlmDatabase>>,
2786) -> Result<proto::UpdateUserPlan> {
2787 let feature_flags = db.get_user_flags(user.id).await?;
2788 let plan = current_plan(db, user.id, is_staff).await?;
2789 let billing_customer = db.get_billing_customer_by_user_id(user.id).await?;
2790 let billing_preferences = db.get_billing_preferences(user.id).await?;
2791
2792 let (subscription_period, usage) = if let Some(llm_db) = llm_db {
2793 let subscription = db.get_active_billing_subscription(user.id).await?;
2794
2795 let subscription_period =
2796 crate::db::billing_subscription::Model::current_period(subscription, is_staff);
2797
2798 let usage = if let Some((period_start_at, period_end_at)) = subscription_period {
2799 llm_db
2800 .get_subscription_usage_for_period(user.id, period_start_at, period_end_at)
2801 .await?
2802 } else {
2803 None
2804 };
2805
2806 (subscription_period, usage)
2807 } else {
2808 (None, None)
2809 };
2810
2811 let bypass_account_age_check = feature_flags
2812 .iter()
2813 .any(|flag| flag == BYPASS_ACCOUNT_AGE_CHECK_FEATURE_FLAG);
2814 let account_too_young = !matches!(plan, proto::Plan::ZedPro)
2815 && !bypass_account_age_check
2816 && user.account_age() < MIN_ACCOUNT_AGE_FOR_LLM_USE;
2817
2818 Ok(proto::UpdateUserPlan {
2819 plan: plan.into(),
2820 trial_started_at: billing_customer
2821 .as_ref()
2822 .and_then(|billing_customer| billing_customer.trial_started_at)
2823 .map(|trial_started_at| trial_started_at.and_utc().timestamp() as u64),
2824 is_usage_based_billing_enabled: if is_staff {
2825 Some(true)
2826 } else {
2827 billing_preferences.map(|preferences| preferences.model_request_overages_enabled)
2828 },
2829 subscription_period: subscription_period.map(|(started_at, ended_at)| {
2830 proto::SubscriptionPeriod {
2831 started_at: started_at.timestamp() as u64,
2832 ended_at: ended_at.timestamp() as u64,
2833 }
2834 }),
2835 account_too_young: Some(account_too_young),
2836 has_overdue_invoices: billing_customer
2837 .map(|billing_customer| billing_customer.has_overdue_invoices),
2838 usage: usage.map(|usage| {
2839 let plan = match plan {
2840 proto::Plan::Free => zed_llm_client::Plan::ZedFree,
2841 proto::Plan::ZedPro => zed_llm_client::Plan::ZedPro,
2842 proto::Plan::ZedProTrial => zed_llm_client::Plan::ZedProTrial,
2843 };
2844
2845 let model_requests_limit = match plan.model_requests_limit() {
2846 zed_llm_client::UsageLimit::Limited(limit) => {
2847 let limit = if plan == zed_llm_client::Plan::ZedProTrial
2848 && feature_flags
2849 .iter()
2850 .any(|flag| flag == AGENT_EXTENDED_TRIAL_FEATURE_FLAG)
2851 {
2852 1_000
2853 } else {
2854 limit
2855 };
2856
2857 zed_llm_client::UsageLimit::Limited(limit)
2858 }
2859 zed_llm_client::UsageLimit::Unlimited => zed_llm_client::UsageLimit::Unlimited,
2860 };
2861
2862 proto::SubscriptionUsage {
2863 model_requests_usage_amount: usage.model_requests as u32,
2864 model_requests_usage_limit: Some(proto::UsageLimit {
2865 variant: Some(match model_requests_limit {
2866 zed_llm_client::UsageLimit::Limited(limit) => {
2867 proto::usage_limit::Variant::Limited(proto::usage_limit::Limited {
2868 limit: limit as u32,
2869 })
2870 }
2871 zed_llm_client::UsageLimit::Unlimited => {
2872 proto::usage_limit::Variant::Unlimited(proto::usage_limit::Unlimited {})
2873 }
2874 }),
2875 }),
2876 edit_predictions_usage_amount: usage.edit_predictions as u32,
2877 edit_predictions_usage_limit: Some(proto::UsageLimit {
2878 variant: Some(match plan.edit_predictions_limit() {
2879 zed_llm_client::UsageLimit::Limited(limit) => {
2880 proto::usage_limit::Variant::Limited(proto::usage_limit::Limited {
2881 limit: limit as u32,
2882 })
2883 }
2884 zed_llm_client::UsageLimit::Unlimited => {
2885 proto::usage_limit::Variant::Unlimited(proto::usage_limit::Unlimited {})
2886 }
2887 }),
2888 }),
2889 }
2890 }),
2891 })
2892}
2893
2894async fn update_user_plan(session: &Session) -> Result<()> {
2895 let db = session.db().await;
2896
2897 let update_user_plan = make_update_user_plan_message(
2898 session.principal.user(),
2899 session.is_staff(),
2900 &db.0,
2901 session.app_state.llm_db.clone(),
2902 )
2903 .await?;
2904
2905 session
2906 .peer
2907 .send(session.connection_id, update_user_plan)
2908 .trace_err();
2909
2910 Ok(())
2911}
2912
2913async fn subscribe_to_channels(_: proto::SubscribeToChannels, session: Session) -> Result<()> {
2914 subscribe_user_to_channels(session.user_id(), &session).await?;
2915 Ok(())
2916}
2917
2918async fn subscribe_user_to_channels(user_id: UserId, session: &Session) -> Result<(), Error> {
2919 let channels_for_user = session.db().await.get_channels_for_user(user_id).await?;
2920 let mut pool = session.connection_pool().await;
2921 for membership in &channels_for_user.channel_memberships {
2922 pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
2923 }
2924 session.peer.send(
2925 session.connection_id,
2926 build_update_user_channels(&channels_for_user),
2927 )?;
2928 session.peer.send(
2929 session.connection_id,
2930 build_channels_update(channels_for_user),
2931 )?;
2932 Ok(())
2933}
2934
2935/// Creates a new channel.
2936async fn create_channel(
2937 request: proto::CreateChannel,
2938 response: Response<proto::CreateChannel>,
2939 session: Session,
2940) -> Result<()> {
2941 let db = session.db().await;
2942
2943 let parent_id = request.parent_id.map(ChannelId::from_proto);
2944 let (channel, membership) = db
2945 .create_channel(&request.name, parent_id, session.user_id())
2946 .await?;
2947
2948 let root_id = channel.root_id();
2949 let channel = Channel::from_model(channel);
2950
2951 response.send(proto::CreateChannelResponse {
2952 channel: Some(channel.to_proto()),
2953 parent_id: request.parent_id,
2954 })?;
2955
2956 let mut connection_pool = session.connection_pool().await;
2957 if let Some(membership) = membership {
2958 connection_pool.subscribe_to_channel(
2959 membership.user_id,
2960 membership.channel_id,
2961 membership.role,
2962 );
2963 let update = proto::UpdateUserChannels {
2964 channel_memberships: vec![proto::ChannelMembership {
2965 channel_id: membership.channel_id.to_proto(),
2966 role: membership.role.into(),
2967 }],
2968 ..Default::default()
2969 };
2970 for connection_id in connection_pool.user_connection_ids(membership.user_id) {
2971 session.peer.send(connection_id, update.clone())?;
2972 }
2973 }
2974
2975 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
2976 if !role.can_see_channel(channel.visibility) {
2977 continue;
2978 }
2979
2980 let update = proto::UpdateChannels {
2981 channels: vec![channel.to_proto()],
2982 ..Default::default()
2983 };
2984 session.peer.send(connection_id, update.clone())?;
2985 }
2986
2987 Ok(())
2988}
2989
2990/// Delete a channel
2991async fn delete_channel(
2992 request: proto::DeleteChannel,
2993 response: Response<proto::DeleteChannel>,
2994 session: Session,
2995) -> Result<()> {
2996 let db = session.db().await;
2997
2998 let channel_id = request.channel_id;
2999 let (root_channel, removed_channels) = db
3000 .delete_channel(ChannelId::from_proto(channel_id), session.user_id())
3001 .await?;
3002 response.send(proto::Ack {})?;
3003
3004 // Notify members of removed channels
3005 let mut update = proto::UpdateChannels::default();
3006 update
3007 .delete_channels
3008 .extend(removed_channels.into_iter().map(|id| id.to_proto()));
3009
3010 let connection_pool = session.connection_pool().await;
3011 for (connection_id, _) in connection_pool.channel_connection_ids(root_channel) {
3012 session.peer.send(connection_id, update.clone())?;
3013 }
3014
3015 Ok(())
3016}
3017
3018/// Invite someone to join a channel.
3019async fn invite_channel_member(
3020 request: proto::InviteChannelMember,
3021 response: Response<proto::InviteChannelMember>,
3022 session: Session,
3023) -> Result<()> {
3024 let db = session.db().await;
3025 let channel_id = ChannelId::from_proto(request.channel_id);
3026 let invitee_id = UserId::from_proto(request.user_id);
3027 let InviteMemberResult {
3028 channel,
3029 notifications,
3030 } = db
3031 .invite_channel_member(
3032 channel_id,
3033 invitee_id,
3034 session.user_id(),
3035 request.role().into(),
3036 )
3037 .await?;
3038
3039 let update = proto::UpdateChannels {
3040 channel_invitations: vec![channel.to_proto()],
3041 ..Default::default()
3042 };
3043
3044 let connection_pool = session.connection_pool().await;
3045 for connection_id in connection_pool.user_connection_ids(invitee_id) {
3046 session.peer.send(connection_id, update.clone())?;
3047 }
3048
3049 send_notifications(&connection_pool, &session.peer, notifications);
3050
3051 response.send(proto::Ack {})?;
3052 Ok(())
3053}
3054
3055/// remove someone from a channel
3056async fn remove_channel_member(
3057 request: proto::RemoveChannelMember,
3058 response: Response<proto::RemoveChannelMember>,
3059 session: Session,
3060) -> Result<()> {
3061 let db = session.db().await;
3062 let channel_id = ChannelId::from_proto(request.channel_id);
3063 let member_id = UserId::from_proto(request.user_id);
3064
3065 let RemoveChannelMemberResult {
3066 membership_update,
3067 notification_id,
3068 } = db
3069 .remove_channel_member(channel_id, member_id, session.user_id())
3070 .await?;
3071
3072 let mut connection_pool = session.connection_pool().await;
3073 notify_membership_updated(
3074 &mut connection_pool,
3075 membership_update,
3076 member_id,
3077 &session.peer,
3078 );
3079 for connection_id in connection_pool.user_connection_ids(member_id) {
3080 if let Some(notification_id) = notification_id {
3081 session
3082 .peer
3083 .send(
3084 connection_id,
3085 proto::DeleteNotification {
3086 notification_id: notification_id.to_proto(),
3087 },
3088 )
3089 .trace_err();
3090 }
3091 }
3092
3093 response.send(proto::Ack {})?;
3094 Ok(())
3095}
3096
3097/// Toggle the channel between public and private.
3098/// Care is taken to maintain the invariant that public channels only descend from public channels,
3099/// (though members-only channels can appear at any point in the hierarchy).
3100async fn set_channel_visibility(
3101 request: proto::SetChannelVisibility,
3102 response: Response<proto::SetChannelVisibility>,
3103 session: Session,
3104) -> Result<()> {
3105 let db = session.db().await;
3106 let channel_id = ChannelId::from_proto(request.channel_id);
3107 let visibility = request.visibility().into();
3108
3109 let channel_model = db
3110 .set_channel_visibility(channel_id, visibility, session.user_id())
3111 .await?;
3112 let root_id = channel_model.root_id();
3113 let channel = Channel::from_model(channel_model);
3114
3115 let mut connection_pool = session.connection_pool().await;
3116 for (user_id, role) in connection_pool
3117 .channel_user_ids(root_id)
3118 .collect::<Vec<_>>()
3119 .into_iter()
3120 {
3121 let update = if role.can_see_channel(channel.visibility) {
3122 connection_pool.subscribe_to_channel(user_id, channel_id, role);
3123 proto::UpdateChannels {
3124 channels: vec![channel.to_proto()],
3125 ..Default::default()
3126 }
3127 } else {
3128 connection_pool.unsubscribe_from_channel(&user_id, &channel_id);
3129 proto::UpdateChannels {
3130 delete_channels: vec![channel.id.to_proto()],
3131 ..Default::default()
3132 }
3133 };
3134
3135 for connection_id in connection_pool.user_connection_ids(user_id) {
3136 session.peer.send(connection_id, update.clone())?;
3137 }
3138 }
3139
3140 response.send(proto::Ack {})?;
3141 Ok(())
3142}
3143
3144/// Alter the role for a user in the channel.
3145async fn set_channel_member_role(
3146 request: proto::SetChannelMemberRole,
3147 response: Response<proto::SetChannelMemberRole>,
3148 session: Session,
3149) -> Result<()> {
3150 let db = session.db().await;
3151 let channel_id = ChannelId::from_proto(request.channel_id);
3152 let member_id = UserId::from_proto(request.user_id);
3153 let result = db
3154 .set_channel_member_role(
3155 channel_id,
3156 session.user_id(),
3157 member_id,
3158 request.role().into(),
3159 )
3160 .await?;
3161
3162 match result {
3163 db::SetMemberRoleResult::MembershipUpdated(membership_update) => {
3164 let mut connection_pool = session.connection_pool().await;
3165 notify_membership_updated(
3166 &mut connection_pool,
3167 membership_update,
3168 member_id,
3169 &session.peer,
3170 )
3171 }
3172 db::SetMemberRoleResult::InviteUpdated(channel) => {
3173 let update = proto::UpdateChannels {
3174 channel_invitations: vec![channel.to_proto()],
3175 ..Default::default()
3176 };
3177
3178 for connection_id in session
3179 .connection_pool()
3180 .await
3181 .user_connection_ids(member_id)
3182 {
3183 session.peer.send(connection_id, update.clone())?;
3184 }
3185 }
3186 }
3187
3188 response.send(proto::Ack {})?;
3189 Ok(())
3190}
3191
3192/// Change the name of a channel
3193async fn rename_channel(
3194 request: proto::RenameChannel,
3195 response: Response<proto::RenameChannel>,
3196 session: Session,
3197) -> Result<()> {
3198 let db = session.db().await;
3199 let channel_id = ChannelId::from_proto(request.channel_id);
3200 let channel_model = db
3201 .rename_channel(channel_id, session.user_id(), &request.name)
3202 .await?;
3203 let root_id = channel_model.root_id();
3204 let channel = Channel::from_model(channel_model);
3205
3206 response.send(proto::RenameChannelResponse {
3207 channel: Some(channel.to_proto()),
3208 })?;
3209
3210 let connection_pool = session.connection_pool().await;
3211 let update = proto::UpdateChannels {
3212 channels: vec![channel.to_proto()],
3213 ..Default::default()
3214 };
3215 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3216 if role.can_see_channel(channel.visibility) {
3217 session.peer.send(connection_id, update.clone())?;
3218 }
3219 }
3220
3221 Ok(())
3222}
3223
3224/// Move a channel to a new parent.
3225async fn move_channel(
3226 request: proto::MoveChannel,
3227 response: Response<proto::MoveChannel>,
3228 session: Session,
3229) -> Result<()> {
3230 let channel_id = ChannelId::from_proto(request.channel_id);
3231 let to = ChannelId::from_proto(request.to);
3232
3233 let (root_id, channels) = session
3234 .db()
3235 .await
3236 .move_channel(channel_id, to, session.user_id())
3237 .await?;
3238
3239 let connection_pool = session.connection_pool().await;
3240 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3241 let channels = channels
3242 .iter()
3243 .filter_map(|channel| {
3244 if role.can_see_channel(channel.visibility) {
3245 Some(channel.to_proto())
3246 } else {
3247 None
3248 }
3249 })
3250 .collect::<Vec<_>>();
3251 if channels.is_empty() {
3252 continue;
3253 }
3254
3255 let update = proto::UpdateChannels {
3256 channels,
3257 ..Default::default()
3258 };
3259
3260 session.peer.send(connection_id, update.clone())?;
3261 }
3262
3263 response.send(Ack {})?;
3264 Ok(())
3265}
3266
3267async fn reorder_channel(
3268 request: proto::ReorderChannel,
3269 response: Response<proto::ReorderChannel>,
3270 session: Session,
3271) -> Result<()> {
3272 let channel_id = ChannelId::from_proto(request.channel_id);
3273 let direction = request.direction();
3274
3275 let updated_channels = session
3276 .db()
3277 .await
3278 .reorder_channel(channel_id, direction, session.user_id())
3279 .await?;
3280
3281 if let Some(root_id) = updated_channels.first().map(|channel| channel.root_id()) {
3282 let connection_pool = session.connection_pool().await;
3283 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3284 let channels = updated_channels
3285 .iter()
3286 .filter_map(|channel| {
3287 if role.can_see_channel(channel.visibility) {
3288 Some(channel.to_proto())
3289 } else {
3290 None
3291 }
3292 })
3293 .collect::<Vec<_>>();
3294
3295 if channels.is_empty() {
3296 continue;
3297 }
3298
3299 let update = proto::UpdateChannels {
3300 channels,
3301 ..Default::default()
3302 };
3303
3304 session.peer.send(connection_id, update.clone())?;
3305 }
3306 }
3307
3308 response.send(Ack {})?;
3309 Ok(())
3310}
3311
3312/// Get the list of channel members
3313async fn get_channel_members(
3314 request: proto::GetChannelMembers,
3315 response: Response<proto::GetChannelMembers>,
3316 session: Session,
3317) -> Result<()> {
3318 let db = session.db().await;
3319 let channel_id = ChannelId::from_proto(request.channel_id);
3320 let limit = if request.limit == 0 {
3321 u16::MAX as u64
3322 } else {
3323 request.limit
3324 };
3325 let (members, users) = db
3326 .get_channel_participant_details(channel_id, &request.query, limit, session.user_id())
3327 .await?;
3328 response.send(proto::GetChannelMembersResponse { members, users })?;
3329 Ok(())
3330}
3331
3332/// Accept or decline a channel invitation.
3333async fn respond_to_channel_invite(
3334 request: proto::RespondToChannelInvite,
3335 response: Response<proto::RespondToChannelInvite>,
3336 session: Session,
3337) -> Result<()> {
3338 let db = session.db().await;
3339 let channel_id = ChannelId::from_proto(request.channel_id);
3340 let RespondToChannelInvite {
3341 membership_update,
3342 notifications,
3343 } = db
3344 .respond_to_channel_invite(channel_id, session.user_id(), request.accept)
3345 .await?;
3346
3347 let mut connection_pool = session.connection_pool().await;
3348 if let Some(membership_update) = membership_update {
3349 notify_membership_updated(
3350 &mut connection_pool,
3351 membership_update,
3352 session.user_id(),
3353 &session.peer,
3354 );
3355 } else {
3356 let update = proto::UpdateChannels {
3357 remove_channel_invitations: vec![channel_id.to_proto()],
3358 ..Default::default()
3359 };
3360
3361 for connection_id in connection_pool.user_connection_ids(session.user_id()) {
3362 session.peer.send(connection_id, update.clone())?;
3363 }
3364 };
3365
3366 send_notifications(&connection_pool, &session.peer, notifications);
3367
3368 response.send(proto::Ack {})?;
3369
3370 Ok(())
3371}
3372
3373/// Join the channels' room
3374async fn join_channel(
3375 request: proto::JoinChannel,
3376 response: Response<proto::JoinChannel>,
3377 session: Session,
3378) -> Result<()> {
3379 let channel_id = ChannelId::from_proto(request.channel_id);
3380 join_channel_internal(channel_id, Box::new(response), session).await
3381}
3382
3383trait JoinChannelInternalResponse {
3384 fn send(self, result: proto::JoinRoomResponse) -> Result<()>;
3385}
3386impl JoinChannelInternalResponse for Response<proto::JoinChannel> {
3387 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3388 Response::<proto::JoinChannel>::send(self, result)
3389 }
3390}
3391impl JoinChannelInternalResponse for Response<proto::JoinRoom> {
3392 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3393 Response::<proto::JoinRoom>::send(self, result)
3394 }
3395}
3396
3397async fn join_channel_internal(
3398 channel_id: ChannelId,
3399 response: Box<impl JoinChannelInternalResponse>,
3400 session: Session,
3401) -> Result<()> {
3402 let joined_room = {
3403 let mut db = session.db().await;
3404 // If zed quits without leaving the room, and the user re-opens zed before the
3405 // RECONNECT_TIMEOUT, we need to make sure that we kick the user out of the previous
3406 // room they were in.
3407 if let Some(connection) = db.stale_room_connection(session.user_id()).await? {
3408 tracing::info!(
3409 stale_connection_id = %connection,
3410 "cleaning up stale connection",
3411 );
3412 drop(db);
3413 leave_room_for_session(&session, connection).await?;
3414 db = session.db().await;
3415 }
3416
3417 let (joined_room, membership_updated, role) = db
3418 .join_channel(channel_id, session.user_id(), session.connection_id)
3419 .await?;
3420
3421 let live_kit_connection_info =
3422 session
3423 .app_state
3424 .livekit_client
3425 .as_ref()
3426 .and_then(|live_kit| {
3427 let (can_publish, token) = if role == ChannelRole::Guest {
3428 (
3429 false,
3430 live_kit
3431 .guest_token(
3432 &joined_room.room.livekit_room,
3433 &session.user_id().to_string(),
3434 )
3435 .trace_err()?,
3436 )
3437 } else {
3438 (
3439 true,
3440 live_kit
3441 .room_token(
3442 &joined_room.room.livekit_room,
3443 &session.user_id().to_string(),
3444 )
3445 .trace_err()?,
3446 )
3447 };
3448
3449 Some(LiveKitConnectionInfo {
3450 server_url: live_kit.url().into(),
3451 token,
3452 can_publish,
3453 })
3454 });
3455
3456 response.send(proto::JoinRoomResponse {
3457 room: Some(joined_room.room.clone()),
3458 channel_id: joined_room
3459 .channel
3460 .as_ref()
3461 .map(|channel| channel.id.to_proto()),
3462 live_kit_connection_info,
3463 })?;
3464
3465 let mut connection_pool = session.connection_pool().await;
3466 if let Some(membership_updated) = membership_updated {
3467 notify_membership_updated(
3468 &mut connection_pool,
3469 membership_updated,
3470 session.user_id(),
3471 &session.peer,
3472 );
3473 }
3474
3475 room_updated(&joined_room.room, &session.peer);
3476
3477 joined_room
3478 };
3479
3480 channel_updated(
3481 &joined_room.channel.context("channel not returned")?,
3482 &joined_room.room,
3483 &session.peer,
3484 &*session.connection_pool().await,
3485 );
3486
3487 update_user_contacts(session.user_id(), &session).await?;
3488 Ok(())
3489}
3490
3491/// Start editing the channel notes
3492async fn join_channel_buffer(
3493 request: proto::JoinChannelBuffer,
3494 response: Response<proto::JoinChannelBuffer>,
3495 session: Session,
3496) -> Result<()> {
3497 let db = session.db().await;
3498 let channel_id = ChannelId::from_proto(request.channel_id);
3499
3500 let open_response = db
3501 .join_channel_buffer(channel_id, session.user_id(), session.connection_id)
3502 .await?;
3503
3504 let collaborators = open_response.collaborators.clone();
3505 response.send(open_response)?;
3506
3507 let update = UpdateChannelBufferCollaborators {
3508 channel_id: channel_id.to_proto(),
3509 collaborators: collaborators.clone(),
3510 };
3511 channel_buffer_updated(
3512 session.connection_id,
3513 collaborators
3514 .iter()
3515 .filter_map(|collaborator| Some(collaborator.peer_id?.into())),
3516 &update,
3517 &session.peer,
3518 );
3519
3520 Ok(())
3521}
3522
3523/// Edit the channel notes
3524async fn update_channel_buffer(
3525 request: proto::UpdateChannelBuffer,
3526 session: Session,
3527) -> Result<()> {
3528 let db = session.db().await;
3529 let channel_id = ChannelId::from_proto(request.channel_id);
3530
3531 let (collaborators, epoch, version) = db
3532 .update_channel_buffer(channel_id, session.user_id(), &request.operations)
3533 .await?;
3534
3535 channel_buffer_updated(
3536 session.connection_id,
3537 collaborators.clone(),
3538 &proto::UpdateChannelBuffer {
3539 channel_id: channel_id.to_proto(),
3540 operations: request.operations,
3541 },
3542 &session.peer,
3543 );
3544
3545 let pool = &*session.connection_pool().await;
3546
3547 let non_collaborators =
3548 pool.channel_connection_ids(channel_id)
3549 .filter_map(|(connection_id, _)| {
3550 if collaborators.contains(&connection_id) {
3551 None
3552 } else {
3553 Some(connection_id)
3554 }
3555 });
3556
3557 broadcast(None, non_collaborators, |peer_id| {
3558 session.peer.send(
3559 peer_id,
3560 proto::UpdateChannels {
3561 latest_channel_buffer_versions: vec![proto::ChannelBufferVersion {
3562 channel_id: channel_id.to_proto(),
3563 epoch: epoch as u64,
3564 version: version.clone(),
3565 }],
3566 ..Default::default()
3567 },
3568 )
3569 });
3570
3571 Ok(())
3572}
3573
3574/// Rejoin the channel notes after a connection blip
3575async fn rejoin_channel_buffers(
3576 request: proto::RejoinChannelBuffers,
3577 response: Response<proto::RejoinChannelBuffers>,
3578 session: Session,
3579) -> Result<()> {
3580 let db = session.db().await;
3581 let buffers = db
3582 .rejoin_channel_buffers(&request.buffers, session.user_id(), session.connection_id)
3583 .await?;
3584
3585 for rejoined_buffer in &buffers {
3586 let collaborators_to_notify = rejoined_buffer
3587 .buffer
3588 .collaborators
3589 .iter()
3590 .filter_map(|c| Some(c.peer_id?.into()));
3591 channel_buffer_updated(
3592 session.connection_id,
3593 collaborators_to_notify,
3594 &proto::UpdateChannelBufferCollaborators {
3595 channel_id: rejoined_buffer.buffer.channel_id,
3596 collaborators: rejoined_buffer.buffer.collaborators.clone(),
3597 },
3598 &session.peer,
3599 );
3600 }
3601
3602 response.send(proto::RejoinChannelBuffersResponse {
3603 buffers: buffers.into_iter().map(|b| b.buffer).collect(),
3604 })?;
3605
3606 Ok(())
3607}
3608
3609/// Stop editing the channel notes
3610async fn leave_channel_buffer(
3611 request: proto::LeaveChannelBuffer,
3612 response: Response<proto::LeaveChannelBuffer>,
3613 session: Session,
3614) -> Result<()> {
3615 let db = session.db().await;
3616 let channel_id = ChannelId::from_proto(request.channel_id);
3617
3618 let left_buffer = db
3619 .leave_channel_buffer(channel_id, session.connection_id)
3620 .await?;
3621
3622 response.send(Ack {})?;
3623
3624 channel_buffer_updated(
3625 session.connection_id,
3626 left_buffer.connections,
3627 &proto::UpdateChannelBufferCollaborators {
3628 channel_id: channel_id.to_proto(),
3629 collaborators: left_buffer.collaborators,
3630 },
3631 &session.peer,
3632 );
3633
3634 Ok(())
3635}
3636
3637fn channel_buffer_updated<T: EnvelopedMessage>(
3638 sender_id: ConnectionId,
3639 collaborators: impl IntoIterator<Item = ConnectionId>,
3640 message: &T,
3641 peer: &Peer,
3642) {
3643 broadcast(Some(sender_id), collaborators, |peer_id| {
3644 peer.send(peer_id, message.clone())
3645 });
3646}
3647
3648fn send_notifications(
3649 connection_pool: &ConnectionPool,
3650 peer: &Peer,
3651 notifications: db::NotificationBatch,
3652) {
3653 for (user_id, notification) in notifications {
3654 for connection_id in connection_pool.user_connection_ids(user_id) {
3655 if let Err(error) = peer.send(
3656 connection_id,
3657 proto::AddNotification {
3658 notification: Some(notification.clone()),
3659 },
3660 ) {
3661 tracing::error!(
3662 "failed to send notification to {:?} {}",
3663 connection_id,
3664 error
3665 );
3666 }
3667 }
3668 }
3669}
3670
3671/// Send a message to the channel
3672async fn send_channel_message(
3673 request: proto::SendChannelMessage,
3674 response: Response<proto::SendChannelMessage>,
3675 session: Session,
3676) -> Result<()> {
3677 // Validate the message body.
3678 let body = request.body.trim().to_string();
3679 if body.len() > MAX_MESSAGE_LEN {
3680 return Err(anyhow!("message is too long"))?;
3681 }
3682 if body.is_empty() {
3683 return Err(anyhow!("message can't be blank"))?;
3684 }
3685
3686 // TODO: adjust mentions if body is trimmed
3687
3688 let timestamp = OffsetDateTime::now_utc();
3689 let nonce = request.nonce.context("nonce can't be blank")?;
3690
3691 let channel_id = ChannelId::from_proto(request.channel_id);
3692 let CreatedChannelMessage {
3693 message_id,
3694 participant_connection_ids,
3695 notifications,
3696 } = session
3697 .db()
3698 .await
3699 .create_channel_message(
3700 channel_id,
3701 session.user_id(),
3702 &body,
3703 &request.mentions,
3704 timestamp,
3705 nonce.clone().into(),
3706 request.reply_to_message_id.map(MessageId::from_proto),
3707 )
3708 .await?;
3709
3710 let message = proto::ChannelMessage {
3711 sender_id: session.user_id().to_proto(),
3712 id: message_id.to_proto(),
3713 body,
3714 mentions: request.mentions,
3715 timestamp: timestamp.unix_timestamp() as u64,
3716 nonce: Some(nonce),
3717 reply_to_message_id: request.reply_to_message_id,
3718 edited_at: None,
3719 };
3720 broadcast(
3721 Some(session.connection_id),
3722 participant_connection_ids.clone(),
3723 |connection| {
3724 session.peer.send(
3725 connection,
3726 proto::ChannelMessageSent {
3727 channel_id: channel_id.to_proto(),
3728 message: Some(message.clone()),
3729 },
3730 )
3731 },
3732 );
3733 response.send(proto::SendChannelMessageResponse {
3734 message: Some(message),
3735 })?;
3736
3737 let pool = &*session.connection_pool().await;
3738 let non_participants =
3739 pool.channel_connection_ids(channel_id)
3740 .filter_map(|(connection_id, _)| {
3741 if participant_connection_ids.contains(&connection_id) {
3742 None
3743 } else {
3744 Some(connection_id)
3745 }
3746 });
3747 broadcast(None, non_participants, |peer_id| {
3748 session.peer.send(
3749 peer_id,
3750 proto::UpdateChannels {
3751 latest_channel_message_ids: vec![proto::ChannelMessageId {
3752 channel_id: channel_id.to_proto(),
3753 message_id: message_id.to_proto(),
3754 }],
3755 ..Default::default()
3756 },
3757 )
3758 });
3759 send_notifications(pool, &session.peer, notifications);
3760
3761 Ok(())
3762}
3763
3764/// Delete a channel message
3765async fn remove_channel_message(
3766 request: proto::RemoveChannelMessage,
3767 response: Response<proto::RemoveChannelMessage>,
3768 session: Session,
3769) -> Result<()> {
3770 let channel_id = ChannelId::from_proto(request.channel_id);
3771 let message_id = MessageId::from_proto(request.message_id);
3772 let (connection_ids, existing_notification_ids) = session
3773 .db()
3774 .await
3775 .remove_channel_message(channel_id, message_id, session.user_id())
3776 .await?;
3777
3778 broadcast(
3779 Some(session.connection_id),
3780 connection_ids,
3781 move |connection| {
3782 session.peer.send(connection, request.clone())?;
3783
3784 for notification_id in &existing_notification_ids {
3785 session.peer.send(
3786 connection,
3787 proto::DeleteNotification {
3788 notification_id: (*notification_id).to_proto(),
3789 },
3790 )?;
3791 }
3792
3793 Ok(())
3794 },
3795 );
3796 response.send(proto::Ack {})?;
3797 Ok(())
3798}
3799
3800async fn update_channel_message(
3801 request: proto::UpdateChannelMessage,
3802 response: Response<proto::UpdateChannelMessage>,
3803 session: Session,
3804) -> Result<()> {
3805 let channel_id = ChannelId::from_proto(request.channel_id);
3806 let message_id = MessageId::from_proto(request.message_id);
3807 let updated_at = OffsetDateTime::now_utc();
3808 let UpdatedChannelMessage {
3809 message_id,
3810 participant_connection_ids,
3811 notifications,
3812 reply_to_message_id,
3813 timestamp,
3814 deleted_mention_notification_ids,
3815 updated_mention_notifications,
3816 } = session
3817 .db()
3818 .await
3819 .update_channel_message(
3820 channel_id,
3821 message_id,
3822 session.user_id(),
3823 request.body.as_str(),
3824 &request.mentions,
3825 updated_at,
3826 )
3827 .await?;
3828
3829 let nonce = request.nonce.clone().context("nonce can't be blank")?;
3830
3831 let message = proto::ChannelMessage {
3832 sender_id: session.user_id().to_proto(),
3833 id: message_id.to_proto(),
3834 body: request.body.clone(),
3835 mentions: request.mentions.clone(),
3836 timestamp: timestamp.assume_utc().unix_timestamp() as u64,
3837 nonce: Some(nonce),
3838 reply_to_message_id: reply_to_message_id.map(|id| id.to_proto()),
3839 edited_at: Some(updated_at.unix_timestamp() as u64),
3840 };
3841
3842 response.send(proto::Ack {})?;
3843
3844 let pool = &*session.connection_pool().await;
3845 broadcast(
3846 Some(session.connection_id),
3847 participant_connection_ids,
3848 |connection| {
3849 session.peer.send(
3850 connection,
3851 proto::ChannelMessageUpdate {
3852 channel_id: channel_id.to_proto(),
3853 message: Some(message.clone()),
3854 },
3855 )?;
3856
3857 for notification_id in &deleted_mention_notification_ids {
3858 session.peer.send(
3859 connection,
3860 proto::DeleteNotification {
3861 notification_id: (*notification_id).to_proto(),
3862 },
3863 )?;
3864 }
3865
3866 for notification in &updated_mention_notifications {
3867 session.peer.send(
3868 connection,
3869 proto::UpdateNotification {
3870 notification: Some(notification.clone()),
3871 },
3872 )?;
3873 }
3874
3875 Ok(())
3876 },
3877 );
3878
3879 send_notifications(pool, &session.peer, notifications);
3880
3881 Ok(())
3882}
3883
3884/// Mark a channel message as read
3885async fn acknowledge_channel_message(
3886 request: proto::AckChannelMessage,
3887 session: Session,
3888) -> Result<()> {
3889 let channel_id = ChannelId::from_proto(request.channel_id);
3890 let message_id = MessageId::from_proto(request.message_id);
3891 let notifications = session
3892 .db()
3893 .await
3894 .observe_channel_message(channel_id, session.user_id(), message_id)
3895 .await?;
3896 send_notifications(
3897 &*session.connection_pool().await,
3898 &session.peer,
3899 notifications,
3900 );
3901 Ok(())
3902}
3903
3904/// Mark a buffer version as synced
3905async fn acknowledge_buffer_version(
3906 request: proto::AckBufferOperation,
3907 session: Session,
3908) -> Result<()> {
3909 let buffer_id = BufferId::from_proto(request.buffer_id);
3910 session
3911 .db()
3912 .await
3913 .observe_buffer_version(
3914 buffer_id,
3915 session.user_id(),
3916 request.epoch as i32,
3917 &request.version,
3918 )
3919 .await?;
3920 Ok(())
3921}
3922
3923/// Get a Supermaven API key for the user
3924async fn get_supermaven_api_key(
3925 _request: proto::GetSupermavenApiKey,
3926 response: Response<proto::GetSupermavenApiKey>,
3927 session: Session,
3928) -> Result<()> {
3929 let user_id: String = session.user_id().to_string();
3930 if !session.is_staff() {
3931 return Err(anyhow!("supermaven not enabled for this account"))?;
3932 }
3933
3934 let email = session.email().context("user must have an email")?;
3935
3936 let supermaven_admin_api = session
3937 .supermaven_client
3938 .as_ref()
3939 .context("supermaven not configured")?;
3940
3941 let result = supermaven_admin_api
3942 .try_get_or_create_user(CreateExternalUserRequest { id: user_id, email })
3943 .await?;
3944
3945 response.send(proto::GetSupermavenApiKeyResponse {
3946 api_key: result.api_key,
3947 })?;
3948
3949 Ok(())
3950}
3951
3952/// Start receiving chat updates for a channel
3953async fn join_channel_chat(
3954 request: proto::JoinChannelChat,
3955 response: Response<proto::JoinChannelChat>,
3956 session: Session,
3957) -> Result<()> {
3958 let channel_id = ChannelId::from_proto(request.channel_id);
3959
3960 let db = session.db().await;
3961 db.join_channel_chat(channel_id, session.connection_id, session.user_id())
3962 .await?;
3963 let messages = db
3964 .get_channel_messages(channel_id, session.user_id(), MESSAGE_COUNT_PER_PAGE, None)
3965 .await?;
3966 response.send(proto::JoinChannelChatResponse {
3967 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3968 messages,
3969 })?;
3970 Ok(())
3971}
3972
3973/// Stop receiving chat updates for a channel
3974async fn leave_channel_chat(request: proto::LeaveChannelChat, session: Session) -> Result<()> {
3975 let channel_id = ChannelId::from_proto(request.channel_id);
3976 session
3977 .db()
3978 .await
3979 .leave_channel_chat(channel_id, session.connection_id, session.user_id())
3980 .await?;
3981 Ok(())
3982}
3983
3984/// Retrieve the chat history for a channel
3985async fn get_channel_messages(
3986 request: proto::GetChannelMessages,
3987 response: Response<proto::GetChannelMessages>,
3988 session: Session,
3989) -> Result<()> {
3990 let channel_id = ChannelId::from_proto(request.channel_id);
3991 let messages = session
3992 .db()
3993 .await
3994 .get_channel_messages(
3995 channel_id,
3996 session.user_id(),
3997 MESSAGE_COUNT_PER_PAGE,
3998 Some(MessageId::from_proto(request.before_message_id)),
3999 )
4000 .await?;
4001 response.send(proto::GetChannelMessagesResponse {
4002 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
4003 messages,
4004 })?;
4005 Ok(())
4006}
4007
4008/// Retrieve specific chat messages
4009async fn get_channel_messages_by_id(
4010 request: proto::GetChannelMessagesById,
4011 response: Response<proto::GetChannelMessagesById>,
4012 session: Session,
4013) -> Result<()> {
4014 let message_ids = request
4015 .message_ids
4016 .iter()
4017 .map(|id| MessageId::from_proto(*id))
4018 .collect::<Vec<_>>();
4019 let messages = session
4020 .db()
4021 .await
4022 .get_channel_messages_by_id(session.user_id(), &message_ids)
4023 .await?;
4024 response.send(proto::GetChannelMessagesResponse {
4025 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
4026 messages,
4027 })?;
4028 Ok(())
4029}
4030
4031/// Retrieve the current users notifications
4032async fn get_notifications(
4033 request: proto::GetNotifications,
4034 response: Response<proto::GetNotifications>,
4035 session: Session,
4036) -> Result<()> {
4037 let notifications = session
4038 .db()
4039 .await
4040 .get_notifications(
4041 session.user_id(),
4042 NOTIFICATION_COUNT_PER_PAGE,
4043 request.before_id.map(db::NotificationId::from_proto),
4044 )
4045 .await?;
4046 response.send(proto::GetNotificationsResponse {
4047 done: notifications.len() < NOTIFICATION_COUNT_PER_PAGE,
4048 notifications,
4049 })?;
4050 Ok(())
4051}
4052
4053/// Mark notifications as read
4054async fn mark_notification_as_read(
4055 request: proto::MarkNotificationRead,
4056 response: Response<proto::MarkNotificationRead>,
4057 session: Session,
4058) -> Result<()> {
4059 let database = &session.db().await;
4060 let notifications = database
4061 .mark_notification_as_read_by_id(
4062 session.user_id(),
4063 NotificationId::from_proto(request.notification_id),
4064 )
4065 .await?;
4066 send_notifications(
4067 &*session.connection_pool().await,
4068 &session.peer,
4069 notifications,
4070 );
4071 response.send(proto::Ack {})?;
4072 Ok(())
4073}
4074
4075/// Get the current users information
4076async fn get_private_user_info(
4077 _request: proto::GetPrivateUserInfo,
4078 response: Response<proto::GetPrivateUserInfo>,
4079 session: Session,
4080) -> Result<()> {
4081 let db = session.db().await;
4082
4083 let metrics_id = db.get_user_metrics_id(session.user_id()).await?;
4084 let user = db
4085 .get_user_by_id(session.user_id())
4086 .await?
4087 .context("user not found")?;
4088 let flags = db.get_user_flags(session.user_id()).await?;
4089
4090 response.send(proto::GetPrivateUserInfoResponse {
4091 metrics_id,
4092 staff: user.admin,
4093 flags,
4094 accepted_tos_at: user.accepted_tos_at.map(|t| t.and_utc().timestamp() as u64),
4095 })?;
4096 Ok(())
4097}
4098
4099/// Accept the terms of service (tos) on behalf of the current user
4100async fn accept_terms_of_service(
4101 _request: proto::AcceptTermsOfService,
4102 response: Response<proto::AcceptTermsOfService>,
4103 session: Session,
4104) -> Result<()> {
4105 let db = session.db().await;
4106
4107 let accepted_tos_at = Utc::now();
4108 db.set_user_accepted_tos_at(session.user_id(), Some(accepted_tos_at.naive_utc()))
4109 .await?;
4110
4111 response.send(proto::AcceptTermsOfServiceResponse {
4112 accepted_tos_at: accepted_tos_at.timestamp() as u64,
4113 })?;
4114 Ok(())
4115}
4116
4117async fn get_llm_api_token(
4118 _request: proto::GetLlmToken,
4119 response: Response<proto::GetLlmToken>,
4120 session: Session,
4121) -> Result<()> {
4122 let db = session.db().await;
4123
4124 let flags = db.get_user_flags(session.user_id()).await?;
4125
4126 let user_id = session.user_id();
4127 let user = db
4128 .get_user_by_id(user_id)
4129 .await?
4130 .with_context(|| format!("user {user_id} not found"))?;
4131
4132 if user.accepted_tos_at.is_none() {
4133 Err(anyhow!("terms of service not accepted"))?
4134 }
4135
4136 let stripe_client = session
4137 .app_state
4138 .stripe_client
4139 .as_ref()
4140 .context("failed to retrieve Stripe client")?;
4141
4142 let stripe_billing = session
4143 .app_state
4144 .stripe_billing
4145 .as_ref()
4146 .context("failed to retrieve Stripe billing object")?;
4147
4148 let billing_customer = if let Some(billing_customer) =
4149 db.get_billing_customer_by_user_id(user.id).await?
4150 {
4151 billing_customer
4152 } else {
4153 let customer_id = stripe_billing
4154 .find_or_create_customer_by_email(user.email_address.as_deref())
4155 .await?;
4156
4157 find_or_create_billing_customer(&session.app_state, stripe_client.as_ref(), &customer_id)
4158 .await?
4159 .context("billing customer not found")?
4160 };
4161
4162 let billing_subscription =
4163 if let Some(billing_subscription) = db.get_active_billing_subscription(user.id).await? {
4164 billing_subscription
4165 } else {
4166 let stripe_customer_id =
4167 StripeCustomerId(billing_customer.stripe_customer_id.clone().into());
4168
4169 let stripe_subscription = stripe_billing
4170 .subscribe_to_zed_free(stripe_customer_id)
4171 .await?;
4172
4173 db.create_billing_subscription(&db::CreateBillingSubscriptionParams {
4174 billing_customer_id: billing_customer.id,
4175 kind: Some(SubscriptionKind::ZedFree),
4176 stripe_subscription_id: stripe_subscription.id.to_string(),
4177 stripe_subscription_status: stripe_subscription.status.into(),
4178 stripe_cancellation_reason: None,
4179 stripe_current_period_start: Some(stripe_subscription.current_period_start),
4180 stripe_current_period_end: Some(stripe_subscription.current_period_end),
4181 })
4182 .await?
4183 };
4184
4185 let billing_preferences = db.get_billing_preferences(user.id).await?;
4186
4187 let token = LlmTokenClaims::create(
4188 &user,
4189 session.is_staff(),
4190 billing_customer,
4191 billing_preferences,
4192 &flags,
4193 billing_subscription,
4194 session.system_id.clone(),
4195 &session.app_state.config,
4196 )?;
4197 response.send(proto::GetLlmTokenResponse { token })?;
4198 Ok(())
4199}
4200
4201fn to_axum_message(message: TungsteniteMessage) -> anyhow::Result<AxumMessage> {
4202 let message = match message {
4203 TungsteniteMessage::Text(payload) => AxumMessage::Text(payload.as_str().to_string()),
4204 TungsteniteMessage::Binary(payload) => AxumMessage::Binary(payload.into()),
4205 TungsteniteMessage::Ping(payload) => AxumMessage::Ping(payload.into()),
4206 TungsteniteMessage::Pong(payload) => AxumMessage::Pong(payload.into()),
4207 TungsteniteMessage::Close(frame) => AxumMessage::Close(frame.map(|frame| AxumCloseFrame {
4208 code: frame.code.into(),
4209 reason: frame.reason.as_str().to_owned().into(),
4210 })),
4211 // We should never receive a frame while reading the message, according
4212 // to the `tungstenite` maintainers:
4213 //
4214 // > It cannot occur when you read messages from the WebSocket, but it
4215 // > can be used when you want to send the raw frames (e.g. you want to
4216 // > send the frames to the WebSocket without composing the full message first).
4217 // >
4218 // > — https://github.com/snapview/tungstenite-rs/issues/268
4219 TungsteniteMessage::Frame(_) => {
4220 bail!("received an unexpected frame while reading the message")
4221 }
4222 };
4223
4224 Ok(message)
4225}
4226
4227fn to_tungstenite_message(message: AxumMessage) -> TungsteniteMessage {
4228 match message {
4229 AxumMessage::Text(payload) => TungsteniteMessage::Text(payload.into()),
4230 AxumMessage::Binary(payload) => TungsteniteMessage::Binary(payload.into()),
4231 AxumMessage::Ping(payload) => TungsteniteMessage::Ping(payload.into()),
4232 AxumMessage::Pong(payload) => TungsteniteMessage::Pong(payload.into()),
4233 AxumMessage::Close(frame) => {
4234 TungsteniteMessage::Close(frame.map(|frame| TungsteniteCloseFrame {
4235 code: frame.code.into(),
4236 reason: frame.reason.as_ref().into(),
4237 }))
4238 }
4239 }
4240}
4241
4242fn notify_membership_updated(
4243 connection_pool: &mut ConnectionPool,
4244 result: MembershipUpdated,
4245 user_id: UserId,
4246 peer: &Peer,
4247) {
4248 for membership in &result.new_channels.channel_memberships {
4249 connection_pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
4250 }
4251 for channel_id in &result.removed_channels {
4252 connection_pool.unsubscribe_from_channel(&user_id, channel_id)
4253 }
4254
4255 let user_channels_update = proto::UpdateUserChannels {
4256 channel_memberships: result
4257 .new_channels
4258 .channel_memberships
4259 .iter()
4260 .map(|cm| proto::ChannelMembership {
4261 channel_id: cm.channel_id.to_proto(),
4262 role: cm.role.into(),
4263 })
4264 .collect(),
4265 ..Default::default()
4266 };
4267
4268 let mut update = build_channels_update(result.new_channels);
4269 update.delete_channels = result
4270 .removed_channels
4271 .into_iter()
4272 .map(|id| id.to_proto())
4273 .collect();
4274 update.remove_channel_invitations = vec![result.channel_id.to_proto()];
4275
4276 for connection_id in connection_pool.user_connection_ids(user_id) {
4277 peer.send(connection_id, user_channels_update.clone())
4278 .trace_err();
4279 peer.send(connection_id, update.clone()).trace_err();
4280 }
4281}
4282
4283fn build_update_user_channels(channels: &ChannelsForUser) -> proto::UpdateUserChannels {
4284 proto::UpdateUserChannels {
4285 channel_memberships: channels
4286 .channel_memberships
4287 .iter()
4288 .map(|m| proto::ChannelMembership {
4289 channel_id: m.channel_id.to_proto(),
4290 role: m.role.into(),
4291 })
4292 .collect(),
4293 observed_channel_buffer_version: channels.observed_buffer_versions.clone(),
4294 observed_channel_message_id: channels.observed_channel_messages.clone(),
4295 }
4296}
4297
4298fn build_channels_update(channels: ChannelsForUser) -> proto::UpdateChannels {
4299 let mut update = proto::UpdateChannels::default();
4300
4301 for channel in channels.channels {
4302 update.channels.push(channel.to_proto());
4303 }
4304
4305 update.latest_channel_buffer_versions = channels.latest_buffer_versions;
4306 update.latest_channel_message_ids = channels.latest_channel_messages;
4307
4308 for (channel_id, participants) in channels.channel_participants {
4309 update
4310 .channel_participants
4311 .push(proto::ChannelParticipants {
4312 channel_id: channel_id.to_proto(),
4313 participant_user_ids: participants.into_iter().map(|id| id.to_proto()).collect(),
4314 });
4315 }
4316
4317 for channel in channels.invited_channels {
4318 update.channel_invitations.push(channel.to_proto());
4319 }
4320
4321 update
4322}
4323
4324fn build_initial_contacts_update(
4325 contacts: Vec<db::Contact>,
4326 pool: &ConnectionPool,
4327) -> proto::UpdateContacts {
4328 let mut update = proto::UpdateContacts::default();
4329
4330 for contact in contacts {
4331 match contact {
4332 db::Contact::Accepted { user_id, busy } => {
4333 update.contacts.push(contact_for_user(user_id, busy, pool));
4334 }
4335 db::Contact::Outgoing { user_id } => update.outgoing_requests.push(user_id.to_proto()),
4336 db::Contact::Incoming { user_id } => {
4337 update
4338 .incoming_requests
4339 .push(proto::IncomingContactRequest {
4340 requester_id: user_id.to_proto(),
4341 })
4342 }
4343 }
4344 }
4345
4346 update
4347}
4348
4349fn contact_for_user(user_id: UserId, busy: bool, pool: &ConnectionPool) -> proto::Contact {
4350 proto::Contact {
4351 user_id: user_id.to_proto(),
4352 online: pool.is_user_online(user_id),
4353 busy,
4354 }
4355}
4356
4357fn room_updated(room: &proto::Room, peer: &Peer) {
4358 broadcast(
4359 None,
4360 room.participants
4361 .iter()
4362 .filter_map(|participant| Some(participant.peer_id?.into())),
4363 |peer_id| {
4364 peer.send(
4365 peer_id,
4366 proto::RoomUpdated {
4367 room: Some(room.clone()),
4368 },
4369 )
4370 },
4371 );
4372}
4373
4374fn channel_updated(
4375 channel: &db::channel::Model,
4376 room: &proto::Room,
4377 peer: &Peer,
4378 pool: &ConnectionPool,
4379) {
4380 let participants = room
4381 .participants
4382 .iter()
4383 .map(|p| p.user_id)
4384 .collect::<Vec<_>>();
4385
4386 broadcast(
4387 None,
4388 pool.channel_connection_ids(channel.root_id())
4389 .filter_map(|(channel_id, role)| {
4390 role.can_see_channel(channel.visibility)
4391 .then_some(channel_id)
4392 }),
4393 |peer_id| {
4394 peer.send(
4395 peer_id,
4396 proto::UpdateChannels {
4397 channel_participants: vec![proto::ChannelParticipants {
4398 channel_id: channel.id.to_proto(),
4399 participant_user_ids: participants.clone(),
4400 }],
4401 ..Default::default()
4402 },
4403 )
4404 },
4405 );
4406}
4407
4408async fn update_user_contacts(user_id: UserId, session: &Session) -> Result<()> {
4409 let db = session.db().await;
4410
4411 let contacts = db.get_contacts(user_id).await?;
4412 let busy = db.is_user_busy(user_id).await?;
4413
4414 let pool = session.connection_pool().await;
4415 let updated_contact = contact_for_user(user_id, busy, &pool);
4416 for contact in contacts {
4417 if let db::Contact::Accepted {
4418 user_id: contact_user_id,
4419 ..
4420 } = contact
4421 {
4422 for contact_conn_id in pool.user_connection_ids(contact_user_id) {
4423 session
4424 .peer
4425 .send(
4426 contact_conn_id,
4427 proto::UpdateContacts {
4428 contacts: vec![updated_contact.clone()],
4429 remove_contacts: Default::default(),
4430 incoming_requests: Default::default(),
4431 remove_incoming_requests: Default::default(),
4432 outgoing_requests: Default::default(),
4433 remove_outgoing_requests: Default::default(),
4434 },
4435 )
4436 .trace_err();
4437 }
4438 }
4439 }
4440 Ok(())
4441}
4442
4443async fn leave_room_for_session(session: &Session, connection_id: ConnectionId) -> Result<()> {
4444 let mut contacts_to_update = HashSet::default();
4445
4446 let room_id;
4447 let canceled_calls_to_user_ids;
4448 let livekit_room;
4449 let delete_livekit_room;
4450 let room;
4451 let channel;
4452
4453 if let Some(mut left_room) = session.db().await.leave_room(connection_id).await? {
4454 contacts_to_update.insert(session.user_id());
4455
4456 for project in left_room.left_projects.values() {
4457 project_left(project, session);
4458 }
4459
4460 room_id = RoomId::from_proto(left_room.room.id);
4461 canceled_calls_to_user_ids = mem::take(&mut left_room.canceled_calls_to_user_ids);
4462 livekit_room = mem::take(&mut left_room.room.livekit_room);
4463 delete_livekit_room = left_room.deleted;
4464 room = mem::take(&mut left_room.room);
4465 channel = mem::take(&mut left_room.channel);
4466
4467 room_updated(&room, &session.peer);
4468 } else {
4469 return Ok(());
4470 }
4471
4472 if let Some(channel) = channel {
4473 channel_updated(
4474 &channel,
4475 &room,
4476 &session.peer,
4477 &*session.connection_pool().await,
4478 );
4479 }
4480
4481 {
4482 let pool = session.connection_pool().await;
4483 for canceled_user_id in canceled_calls_to_user_ids {
4484 for connection_id in pool.user_connection_ids(canceled_user_id) {
4485 session
4486 .peer
4487 .send(
4488 connection_id,
4489 proto::CallCanceled {
4490 room_id: room_id.to_proto(),
4491 },
4492 )
4493 .trace_err();
4494 }
4495 contacts_to_update.insert(canceled_user_id);
4496 }
4497 }
4498
4499 for contact_user_id in contacts_to_update {
4500 update_user_contacts(contact_user_id, session).await?;
4501 }
4502
4503 if let Some(live_kit) = session.app_state.livekit_client.as_ref() {
4504 live_kit
4505 .remove_participant(livekit_room.clone(), session.user_id().to_string())
4506 .await
4507 .trace_err();
4508
4509 if delete_livekit_room {
4510 live_kit.delete_room(livekit_room).await.trace_err();
4511 }
4512 }
4513
4514 Ok(())
4515}
4516
4517async fn leave_channel_buffers_for_session(session: &Session) -> Result<()> {
4518 let left_channel_buffers = session
4519 .db()
4520 .await
4521 .leave_channel_buffers(session.connection_id)
4522 .await?;
4523
4524 for left_buffer in left_channel_buffers {
4525 channel_buffer_updated(
4526 session.connection_id,
4527 left_buffer.connections,
4528 &proto::UpdateChannelBufferCollaborators {
4529 channel_id: left_buffer.channel_id.to_proto(),
4530 collaborators: left_buffer.collaborators,
4531 },
4532 &session.peer,
4533 );
4534 }
4535
4536 Ok(())
4537}
4538
4539fn project_left(project: &db::LeftProject, session: &Session) {
4540 for connection_id in &project.connection_ids {
4541 if project.should_unshare {
4542 session
4543 .peer
4544 .send(
4545 *connection_id,
4546 proto::UnshareProject {
4547 project_id: project.id.to_proto(),
4548 },
4549 )
4550 .trace_err();
4551 } else {
4552 session
4553 .peer
4554 .send(
4555 *connection_id,
4556 proto::RemoveProjectCollaborator {
4557 project_id: project.id.to_proto(),
4558 peer_id: Some(session.connection_id.into()),
4559 },
4560 )
4561 .trace_err();
4562 }
4563 }
4564}
4565
4566pub trait ResultExt {
4567 type Ok;
4568
4569 fn trace_err(self) -> Option<Self::Ok>;
4570}
4571
4572impl<T, E> ResultExt for Result<T, E>
4573where
4574 E: std::fmt::Debug,
4575{
4576 type Ok = T;
4577
4578 #[track_caller]
4579 fn trace_err(self) -> Option<T> {
4580 match self {
4581 Ok(value) => Some(value),
4582 Err(error) => {
4583 tracing::error!("{:?}", error);
4584 None
4585 }
4586 }
4587 }
4588}