1use anyhow::Context as _;
2
3use super::*;
4
5impl Database {
6 /// Clears all room participants in rooms attached to a stale server.
7 pub async fn clear_stale_room_participants(
8 &self,
9 room_id: RoomId,
10 new_server_id: ServerId,
11 ) -> Result<TransactionGuard<RefreshedRoom>> {
12 self.room_transaction(room_id, |tx| async move {
13 let stale_participant_filter = Condition::all()
14 .add(room_participant::Column::RoomId.eq(room_id))
15 .add(room_participant::Column::AnsweringConnectionId.is_not_null())
16 .add(room_participant::Column::AnsweringConnectionServerId.ne(new_server_id));
17
18 let stale_participant_user_ids = room_participant::Entity::find()
19 .filter(stale_participant_filter.clone())
20 .all(&*tx)
21 .await?
22 .into_iter()
23 .map(|participant| participant.user_id)
24 .collect::<Vec<_>>();
25
26 // Delete participants who failed to reconnect and cancel their calls.
27 let mut canceled_calls_to_user_ids = Vec::new();
28 room_participant::Entity::delete_many()
29 .filter(stale_participant_filter)
30 .exec(&*tx)
31 .await?;
32 let called_participants = room_participant::Entity::find()
33 .filter(
34 Condition::all()
35 .add(
36 room_participant::Column::CallingUserId
37 .is_in(stale_participant_user_ids.iter().copied()),
38 )
39 .add(room_participant::Column::AnsweringConnectionId.is_null()),
40 )
41 .all(&*tx)
42 .await?;
43 room_participant::Entity::delete_many()
44 .filter(
45 room_participant::Column::Id
46 .is_in(called_participants.iter().map(|participant| participant.id)),
47 )
48 .exec(&*tx)
49 .await?;
50 canceled_calls_to_user_ids.extend(
51 called_participants
52 .into_iter()
53 .map(|participant| participant.user_id),
54 );
55
56 let (channel, room) = self.get_channel_room(room_id, &tx).await?;
57 if channel.is_none() {
58 // Delete the room if it becomes empty.
59 if room.participants.is_empty() {
60 project::Entity::delete_many()
61 .filter(project::Column::RoomId.eq(room_id))
62 .exec(&*tx)
63 .await?;
64 room::Entity::delete_by_id(room_id).exec(&*tx).await?;
65 }
66 };
67
68 Ok(RefreshedRoom {
69 room,
70 channel,
71 stale_participant_user_ids,
72 canceled_calls_to_user_ids,
73 })
74 })
75 .await
76 }
77
78 /// Returns the incoming calls for user with the given ID.
79 pub async fn incoming_call_for_user(
80 &self,
81 user_id: UserId,
82 ) -> Result<Option<proto::IncomingCall>> {
83 self.transaction(|tx| async move {
84 let pending_participant = room_participant::Entity::find()
85 .filter(
86 room_participant::Column::UserId
87 .eq(user_id)
88 .and(room_participant::Column::AnsweringConnectionId.is_null()),
89 )
90 .one(&*tx)
91 .await?;
92
93 if let Some(pending_participant) = pending_participant {
94 let room = self.get_room(pending_participant.room_id, &tx).await?;
95 Ok(Self::build_incoming_call(&room, user_id))
96 } else {
97 Ok(None)
98 }
99 })
100 .await
101 }
102
103 /// Creates a new room.
104 pub async fn create_room(
105 &self,
106 user_id: UserId,
107 connection: ConnectionId,
108 livekit_room: &str,
109 ) -> Result<proto::Room> {
110 self.transaction(|tx| async move {
111 let room = room::ActiveModel {
112 live_kit_room: ActiveValue::set(livekit_room.into()),
113 ..Default::default()
114 }
115 .insert(&*tx)
116 .await?;
117 room_participant::ActiveModel {
118 room_id: ActiveValue::set(room.id),
119 user_id: ActiveValue::set(user_id),
120 answering_connection_id: ActiveValue::set(Some(connection.id as i32)),
121 answering_connection_server_id: ActiveValue::set(Some(ServerId(
122 connection.owner_id as i32,
123 ))),
124 answering_connection_lost: ActiveValue::set(false),
125 calling_user_id: ActiveValue::set(user_id),
126 calling_connection_id: ActiveValue::set(connection.id as i32),
127 calling_connection_server_id: ActiveValue::set(Some(ServerId(
128 connection.owner_id as i32,
129 ))),
130 participant_index: ActiveValue::set(Some(0)),
131 role: ActiveValue::set(Some(ChannelRole::Admin)),
132
133 id: ActiveValue::NotSet,
134 location_kind: ActiveValue::NotSet,
135 location_project_id: ActiveValue::NotSet,
136 initial_project_id: ActiveValue::NotSet,
137 }
138 .insert(&*tx)
139 .await?;
140
141 let room = self.get_room(room.id, &tx).await?;
142 Ok(room)
143 })
144 .await
145 }
146
147 pub async fn call(
148 &self,
149 room_id: RoomId,
150 calling_user_id: UserId,
151 calling_connection: ConnectionId,
152 called_user_id: UserId,
153 initial_project_id: Option<ProjectId>,
154 ) -> Result<TransactionGuard<(proto::Room, proto::IncomingCall)>> {
155 self.room_transaction(room_id, |tx| async move {
156 let caller = room_participant::Entity::find()
157 .filter(
158 room_participant::Column::UserId
159 .eq(calling_user_id)
160 .and(room_participant::Column::RoomId.eq(room_id)),
161 )
162 .one(&*tx)
163 .await?
164 .context("user is not in the room")?;
165
166 let called_user_role = match caller.role.unwrap_or(ChannelRole::Member) {
167 ChannelRole::Admin | ChannelRole::Member => ChannelRole::Member,
168 ChannelRole::Guest | ChannelRole::Talker => ChannelRole::Guest,
169 ChannelRole::Banned => return Err(anyhow!("banned users cannot invite").into()),
170 };
171
172 room_participant::ActiveModel {
173 room_id: ActiveValue::set(room_id),
174 user_id: ActiveValue::set(called_user_id),
175 answering_connection_lost: ActiveValue::set(false),
176 participant_index: ActiveValue::NotSet,
177 calling_user_id: ActiveValue::set(calling_user_id),
178 calling_connection_id: ActiveValue::set(calling_connection.id as i32),
179 calling_connection_server_id: ActiveValue::set(Some(ServerId(
180 calling_connection.owner_id as i32,
181 ))),
182 initial_project_id: ActiveValue::set(initial_project_id),
183 role: ActiveValue::set(Some(called_user_role)),
184
185 id: ActiveValue::NotSet,
186 answering_connection_id: ActiveValue::NotSet,
187 answering_connection_server_id: ActiveValue::NotSet,
188 location_kind: ActiveValue::NotSet,
189 location_project_id: ActiveValue::NotSet,
190 }
191 .insert(&*tx)
192 .await?;
193
194 let room = self.get_room(room_id, &tx).await?;
195 let incoming_call = Self::build_incoming_call(&room, called_user_id)
196 .context("failed to build incoming call")?;
197 Ok((room, incoming_call))
198 })
199 .await
200 }
201
202 pub async fn call_failed(
203 &self,
204 room_id: RoomId,
205 called_user_id: UserId,
206 ) -> Result<TransactionGuard<proto::Room>> {
207 self.room_transaction(room_id, |tx| async move {
208 room_participant::Entity::delete_many()
209 .filter(
210 room_participant::Column::RoomId
211 .eq(room_id)
212 .and(room_participant::Column::UserId.eq(called_user_id)),
213 )
214 .exec(&*tx)
215 .await?;
216 let room = self.get_room(room_id, &tx).await?;
217 Ok(room)
218 })
219 .await
220 }
221
222 pub async fn decline_call(
223 &self,
224 expected_room_id: Option<RoomId>,
225 user_id: UserId,
226 ) -> Result<Option<TransactionGuard<proto::Room>>> {
227 self.optional_room_transaction(|tx| async move {
228 let mut filter = Condition::all()
229 .add(room_participant::Column::UserId.eq(user_id))
230 .add(room_participant::Column::AnsweringConnectionId.is_null());
231 if let Some(room_id) = expected_room_id {
232 filter = filter.add(room_participant::Column::RoomId.eq(room_id));
233 }
234 let participant = room_participant::Entity::find()
235 .filter(filter)
236 .one(&*tx)
237 .await?;
238
239 let participant = if let Some(participant) = participant {
240 participant
241 } else if expected_room_id.is_some() {
242 return Err(anyhow!("could not find call to decline"))?;
243 } else {
244 return Ok(None);
245 };
246
247 let room_id = participant.room_id;
248 room_participant::Entity::delete(participant.into_active_model())
249 .exec(&*tx)
250 .await?;
251
252 let room = self.get_room(room_id, &tx).await?;
253 Ok(Some((room_id, room)))
254 })
255 .await
256 }
257
258 pub async fn cancel_call(
259 &self,
260 room_id: RoomId,
261 calling_connection: ConnectionId,
262 called_user_id: UserId,
263 ) -> Result<TransactionGuard<proto::Room>> {
264 self.room_transaction(room_id, |tx| async move {
265 let participant = room_participant::Entity::find()
266 .filter(
267 Condition::all()
268 .add(room_participant::Column::UserId.eq(called_user_id))
269 .add(room_participant::Column::RoomId.eq(room_id))
270 .add(
271 room_participant::Column::CallingConnectionId
272 .eq(calling_connection.id as i32),
273 )
274 .add(
275 room_participant::Column::CallingConnectionServerId
276 .eq(calling_connection.owner_id as i32),
277 )
278 .add(room_participant::Column::AnsweringConnectionId.is_null()),
279 )
280 .one(&*tx)
281 .await?
282 .context("no call to cancel")?;
283
284 room_participant::Entity::delete(participant.into_active_model())
285 .exec(&*tx)
286 .await?;
287
288 let room = self.get_room(room_id, &tx).await?;
289 Ok(room)
290 })
291 .await
292 }
293
294 pub async fn join_room(
295 &self,
296 room_id: RoomId,
297 user_id: UserId,
298 connection: ConnectionId,
299 ) -> Result<TransactionGuard<JoinRoom>> {
300 self.room_transaction(room_id, |tx| async move {
301 #[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
302 enum QueryChannelId {
303 ChannelId,
304 }
305
306 let channel_id: Option<ChannelId> = room::Entity::find()
307 .select_only()
308 .column(room::Column::ChannelId)
309 .filter(room::Column::Id.eq(room_id))
310 .into_values::<_, QueryChannelId>()
311 .one(&*tx)
312 .await?
313 .context("no such room")?;
314
315 if channel_id.is_some() {
316 Err(anyhow!("tried to join channel call directly"))?
317 }
318
319 let participant_index = self
320 .get_next_participant_index_internal(room_id, &tx)
321 .await?;
322
323 let result = room_participant::Entity::update_many()
324 .filter(
325 Condition::all()
326 .add(room_participant::Column::RoomId.eq(room_id))
327 .add(room_participant::Column::UserId.eq(user_id))
328 .add(room_participant::Column::AnsweringConnectionId.is_null()),
329 )
330 .set(room_participant::ActiveModel {
331 participant_index: ActiveValue::Set(Some(participant_index)),
332 answering_connection_id: ActiveValue::set(Some(connection.id as i32)),
333 answering_connection_server_id: ActiveValue::set(Some(ServerId(
334 connection.owner_id as i32,
335 ))),
336 answering_connection_lost: ActiveValue::set(false),
337 ..Default::default()
338 })
339 .exec(&*tx)
340 .await?;
341 if result.rows_affected == 0 {
342 Err(anyhow!("room does not exist or was already joined"))?;
343 }
344
345 let room = self.get_room(room_id, &tx).await?;
346 Ok(JoinRoom {
347 room,
348 channel: None,
349 })
350 })
351 .await
352 }
353
354 pub async fn stale_room_connection(&self, user_id: UserId) -> Result<Option<ConnectionId>> {
355 self.transaction(|tx| async move {
356 let participant = room_participant::Entity::find()
357 .filter(room_participant::Column::UserId.eq(user_id))
358 .one(&*tx)
359 .await?;
360 Ok(participant.and_then(|p| p.answering_connection()))
361 })
362 .await
363 }
364
365 async fn get_next_participant_index_internal(
366 &self,
367 room_id: RoomId,
368 tx: &DatabaseTransaction,
369 ) -> Result<i32> {
370 #[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
371 enum QueryParticipantIndices {
372 ParticipantIndex,
373 }
374 let existing_participant_indices: Vec<i32> = room_participant::Entity::find()
375 .filter(
376 room_participant::Column::RoomId
377 .eq(room_id)
378 .and(room_participant::Column::ParticipantIndex.is_not_null()),
379 )
380 .select_only()
381 .column(room_participant::Column::ParticipantIndex)
382 .into_values::<_, QueryParticipantIndices>()
383 .all(tx)
384 .await?;
385
386 let mut participant_index = 0;
387 while existing_participant_indices.contains(&participant_index) {
388 participant_index += 1;
389 }
390
391 Ok(participant_index)
392 }
393
394 /// Returns the channel ID for the given room, if it has one.
395 pub async fn channel_id_for_room(&self, room_id: RoomId) -> Result<Option<ChannelId>> {
396 self.transaction(|tx| async move {
397 let room: Option<room::Model> = room::Entity::find()
398 .filter(room::Column::Id.eq(room_id))
399 .one(&*tx)
400 .await?;
401
402 Ok(room.and_then(|room| room.channel_id))
403 })
404 .await
405 }
406
407 pub(crate) async fn join_channel_room_internal(
408 &self,
409 room_id: RoomId,
410 user_id: UserId,
411 connection: ConnectionId,
412 role: ChannelRole,
413 tx: &DatabaseTransaction,
414 ) -> Result<JoinRoom> {
415 let participant_index = self
416 .get_next_participant_index_internal(room_id, tx)
417 .await?;
418
419 // If someone has been invited into the room, accept the invite instead of inserting
420 let result = room_participant::Entity::update_many()
421 .filter(
422 Condition::all()
423 .add(room_participant::Column::RoomId.eq(room_id))
424 .add(room_participant::Column::UserId.eq(user_id))
425 .add(room_participant::Column::AnsweringConnectionId.is_null()),
426 )
427 .set(room_participant::ActiveModel {
428 participant_index: ActiveValue::Set(Some(participant_index)),
429 answering_connection_id: ActiveValue::set(Some(connection.id as i32)),
430 answering_connection_server_id: ActiveValue::set(Some(ServerId(
431 connection.owner_id as i32,
432 ))),
433 answering_connection_lost: ActiveValue::set(false),
434 ..Default::default()
435 })
436 .exec(tx)
437 .await?;
438
439 if result.rows_affected == 0 {
440 room_participant::Entity::insert(room_participant::ActiveModel {
441 room_id: ActiveValue::set(room_id),
442 user_id: ActiveValue::set(user_id),
443 answering_connection_id: ActiveValue::set(Some(connection.id as i32)),
444 answering_connection_server_id: ActiveValue::set(Some(ServerId(
445 connection.owner_id as i32,
446 ))),
447 answering_connection_lost: ActiveValue::set(false),
448 calling_user_id: ActiveValue::set(user_id),
449 calling_connection_id: ActiveValue::set(connection.id as i32),
450 calling_connection_server_id: ActiveValue::set(Some(ServerId(
451 connection.owner_id as i32,
452 ))),
453 participant_index: ActiveValue::Set(Some(participant_index)),
454 role: ActiveValue::set(Some(role)),
455 id: ActiveValue::NotSet,
456 location_kind: ActiveValue::NotSet,
457 location_project_id: ActiveValue::NotSet,
458 initial_project_id: ActiveValue::NotSet,
459 })
460 .exec(tx)
461 .await?;
462 }
463
464 let (channel, room) = self.get_channel_room(room_id, tx).await?;
465 let channel = channel.context("no channel for room")?;
466 Ok(JoinRoom {
467 room,
468 channel: Some(channel),
469 })
470 }
471
472 pub async fn rejoin_room(
473 &self,
474 rejoin_room: proto::RejoinRoom,
475 user_id: UserId,
476 connection: ConnectionId,
477 ) -> Result<TransactionGuard<RejoinedRoom>> {
478 let room_id = RoomId::from_proto(rejoin_room.id);
479 self.room_transaction(room_id, |tx| async {
480 let tx = tx;
481 let participant_update = room_participant::Entity::update_many()
482 .filter(
483 Condition::all()
484 .add(room_participant::Column::RoomId.eq(room_id))
485 .add(room_participant::Column::UserId.eq(user_id))
486 .add(room_participant::Column::AnsweringConnectionId.is_not_null()),
487 )
488 .set(room_participant::ActiveModel {
489 answering_connection_id: ActiveValue::set(Some(connection.id as i32)),
490 answering_connection_server_id: ActiveValue::set(Some(ServerId(
491 connection.owner_id as i32,
492 ))),
493 answering_connection_lost: ActiveValue::set(false),
494 ..Default::default()
495 })
496 .exec(&*tx)
497 .await?;
498 if participant_update.rows_affected == 0 {
499 return Err(anyhow!("room does not exist or was already joined"))?;
500 }
501
502 let mut reshared_projects = Vec::new();
503 for reshared_project in &rejoin_room.reshared_projects {
504 let project_id = ProjectId::from_proto(reshared_project.project_id);
505 let project = project::Entity::find_by_id(project_id)
506 .one(&*tx)
507 .await?
508 .context("project does not exist")?;
509 if project.host_user_id != Some(user_id) {
510 return Err(anyhow!("no such project"))?;
511 }
512
513 let mut collaborators = project
514 .find_related(project_collaborator::Entity)
515 .all(&*tx)
516 .await?;
517 let host_ix = collaborators
518 .iter()
519 .position(|collaborator| {
520 collaborator.user_id == user_id && collaborator.is_host
521 })
522 .context("host not found among collaborators")?;
523 let host = collaborators.swap_remove(host_ix);
524 let old_connection_id = host.connection();
525
526 project::Entity::update(project::ActiveModel {
527 host_connection_id: ActiveValue::set(Some(connection.id as i32)),
528 host_connection_server_id: ActiveValue::set(Some(ServerId(
529 connection.owner_id as i32,
530 ))),
531 ..project.into_active_model()
532 })
533 .exec(&*tx)
534 .await?;
535 project_collaborator::Entity::update(project_collaborator::ActiveModel {
536 connection_id: ActiveValue::set(connection.id as i32),
537 connection_server_id: ActiveValue::set(ServerId(connection.owner_id as i32)),
538 ..host.into_active_model()
539 })
540 .exec(&*tx)
541 .await?;
542
543 self.update_project_worktrees(project_id, &reshared_project.worktrees, &tx)
544 .await?;
545
546 reshared_projects.push(ResharedProject {
547 id: project_id,
548 old_connection_id,
549 collaborators: collaborators
550 .iter()
551 .map(|collaborator| ProjectCollaborator {
552 connection_id: collaborator.connection(),
553 user_id: collaborator.user_id,
554 replica_id: collaborator.replica_id,
555 is_host: collaborator.is_host,
556 committer_name: collaborator.committer_name.clone(),
557 committer_email: collaborator.committer_email.clone(),
558 })
559 .collect(),
560 worktrees: reshared_project.worktrees.clone(),
561 });
562 }
563
564 project::Entity::delete_many()
565 .filter(
566 Condition::all()
567 .add(project::Column::RoomId.eq(room_id))
568 .add(project::Column::HostUserId.eq(user_id))
569 .add(
570 project::Column::Id
571 .is_not_in(reshared_projects.iter().map(|project| project.id)),
572 ),
573 )
574 .exec(&*tx)
575 .await?;
576
577 let mut rejoined_projects = Vec::new();
578 for rejoined_project in &rejoin_room.rejoined_projects {
579 if let Some(rejoined_project) = self
580 .rejoin_project_internal(&tx, rejoined_project, user_id, connection)
581 .await?
582 {
583 rejoined_projects.push(rejoined_project);
584 }
585 }
586
587 let (channel, room) = self.get_channel_room(room_id, &tx).await?;
588
589 Ok(RejoinedRoom {
590 room,
591 channel,
592 rejoined_projects,
593 reshared_projects,
594 })
595 })
596 .await
597 }
598
599 pub async fn rejoin_project_internal(
600 &self,
601 tx: &DatabaseTransaction,
602 rejoined_project: &proto::RejoinProject,
603 user_id: UserId,
604 connection: ConnectionId,
605 ) -> Result<Option<RejoinedProject>> {
606 let project_id = ProjectId::from_proto(rejoined_project.id);
607 let Some(project) = project::Entity::find_by_id(project_id).one(tx).await? else {
608 return Ok(None);
609 };
610
611 let mut worktrees = Vec::new();
612 let db_worktrees = project.find_related(worktree::Entity).all(tx).await?;
613 let db_repos = project
614 .find_related(project_repository::Entity)
615 .all(tx)
616 .await?;
617
618 for db_worktree in db_worktrees {
619 let mut worktree = RejoinedWorktree {
620 id: db_worktree.id as u64,
621 abs_path: db_worktree.abs_path,
622 root_name: db_worktree.root_name,
623 visible: db_worktree.visible,
624 updated_entries: Default::default(),
625 removed_entries: Default::default(),
626 updated_repositories: Default::default(),
627 removed_repositories: Default::default(),
628 diagnostic_summaries: Default::default(),
629 settings_files: Default::default(),
630 scan_id: db_worktree.scan_id as u64,
631 completed_scan_id: db_worktree.completed_scan_id as u64,
632 };
633
634 let rejoined_worktree = rejoined_project
635 .worktrees
636 .iter()
637 .find(|worktree| worktree.id == db_worktree.id as u64);
638
639 // File entries
640 {
641 let entry_filter = if let Some(rejoined_worktree) = rejoined_worktree {
642 worktree_entry::Column::ScanId.gt(rejoined_worktree.scan_id)
643 } else {
644 worktree_entry::Column::IsDeleted.eq(false)
645 };
646
647 let mut db_entries = worktree_entry::Entity::find()
648 .filter(
649 Condition::all()
650 .add(worktree_entry::Column::ProjectId.eq(project.id))
651 .add(worktree_entry::Column::WorktreeId.eq(worktree.id))
652 .add(entry_filter),
653 )
654 .stream(tx)
655 .await?;
656
657 while let Some(db_entry) = db_entries.next().await {
658 let db_entry = db_entry?;
659 if db_entry.is_deleted {
660 worktree.removed_entries.push(db_entry.id as u64);
661 } else {
662 worktree.updated_entries.push(proto::Entry {
663 id: db_entry.id as u64,
664 is_dir: db_entry.is_dir,
665 path: db_entry.path,
666 inode: db_entry.inode as u64,
667 mtime: Some(proto::Timestamp {
668 seconds: db_entry.mtime_seconds as u64,
669 nanos: db_entry.mtime_nanos as u32,
670 }),
671 canonical_path: db_entry.canonical_path,
672 is_ignored: db_entry.is_ignored,
673 is_external: db_entry.is_external,
674 // This is only used in the summarization backlog, so if it's None,
675 // that just means we won't be able to detect when to resummarize
676 // based on total number of backlogged bytes - instead, we'd go
677 // on number of files only. That shouldn't be a huge deal in practice.
678 size: None,
679 is_fifo: db_entry.is_fifo,
680 });
681 }
682 }
683 }
684
685 worktrees.push(worktree);
686 }
687
688 let mut removed_repositories = Vec::new();
689 let mut updated_repositories = Vec::new();
690 for db_repo in db_repos {
691 let rejoined_repository = rejoined_project
692 .repositories
693 .iter()
694 .find(|repo| repo.id == db_repo.id as u64);
695
696 let repository_filter = if let Some(rejoined_repository) = rejoined_repository {
697 project_repository::Column::ScanId.gt(rejoined_repository.scan_id)
698 } else {
699 project_repository::Column::IsDeleted.eq(false)
700 };
701
702 let db_repositories = project_repository::Entity::find()
703 .filter(
704 Condition::all()
705 .add(project_repository::Column::ProjectId.eq(project.id))
706 .add(repository_filter),
707 )
708 .all(tx)
709 .await?;
710
711 for db_repository in db_repositories.into_iter() {
712 if db_repository.is_deleted {
713 removed_repositories.push(db_repository.id as u64);
714 } else {
715 let status_entry_filter = if let Some(rejoined_repository) = rejoined_repository
716 {
717 project_repository_statuses::Column::ScanId.gt(rejoined_repository.scan_id)
718 } else {
719 project_repository_statuses::Column::IsDeleted.eq(false)
720 };
721
722 let mut db_statuses = project_repository_statuses::Entity::find()
723 .filter(
724 Condition::all()
725 .add(project_repository_statuses::Column::ProjectId.eq(project.id))
726 .add(
727 project_repository_statuses::Column::RepositoryId
728 .eq(db_repository.id),
729 )
730 .add(status_entry_filter),
731 )
732 .stream(tx)
733 .await?;
734 let mut removed_statuses = Vec::new();
735 let mut updated_statuses = Vec::new();
736
737 while let Some(db_status) = db_statuses.next().await {
738 let db_status: project_repository_statuses::Model = db_status?;
739 if db_status.is_deleted {
740 removed_statuses.push(db_status.repo_path);
741 } else {
742 updated_statuses.push(db_status_to_proto(db_status)?);
743 }
744 }
745
746 let current_merge_conflicts = db_repository
747 .current_merge_conflicts
748 .as_ref()
749 .map(|conflicts| serde_json::from_str(&conflicts))
750 .transpose()?
751 .unwrap_or_default();
752
753 let branch_summary = db_repository
754 .branch_summary
755 .as_ref()
756 .map(|branch_summary| serde_json::from_str(&branch_summary))
757 .transpose()?
758 .unwrap_or_default();
759
760 let head_commit_details = db_repository
761 .head_commit_details
762 .as_ref()
763 .map(|head_commit_details| serde_json::from_str(&head_commit_details))
764 .transpose()?
765 .unwrap_or_default();
766
767 let entry_ids = serde_json::from_str(&db_repository.entry_ids)
768 .context("failed to deserialize repository's entry ids")?;
769
770 if let Some(legacy_worktree_id) = db_repository.legacy_worktree_id {
771 if let Some(worktree) = worktrees
772 .iter_mut()
773 .find(|worktree| worktree.id as i64 == legacy_worktree_id)
774 {
775 worktree.updated_repositories.push(proto::RepositoryEntry {
776 repository_id: db_repository.id as u64,
777 updated_statuses,
778 removed_statuses,
779 current_merge_conflicts,
780 branch_summary,
781 });
782 }
783 } else {
784 updated_repositories.push(proto::UpdateRepository {
785 entry_ids,
786 updated_statuses,
787 removed_statuses,
788 current_merge_conflicts,
789 branch_summary,
790 head_commit_details,
791 project_id: project_id.to_proto(),
792 id: db_repository.id as u64,
793 abs_path: db_repository.abs_path,
794 scan_id: db_repository.scan_id as u64,
795 is_last_update: true,
796 });
797 }
798 }
799 }
800 }
801
802 let language_servers = project
803 .find_related(language_server::Entity)
804 .all(tx)
805 .await?
806 .into_iter()
807 .map(|language_server| proto::LanguageServer {
808 id: language_server.id as u64,
809 name: language_server.name,
810 worktree_id: None,
811 })
812 .collect::<Vec<_>>();
813
814 {
815 let mut db_settings_files = worktree_settings_file::Entity::find()
816 .filter(worktree_settings_file::Column::ProjectId.eq(project_id))
817 .stream(tx)
818 .await?;
819 while let Some(db_settings_file) = db_settings_files.next().await {
820 let db_settings_file = db_settings_file?;
821 if let Some(worktree) = worktrees
822 .iter_mut()
823 .find(|w| w.id == db_settings_file.worktree_id as u64)
824 {
825 worktree.settings_files.push(WorktreeSettingsFile {
826 path: db_settings_file.path,
827 content: db_settings_file.content,
828 kind: db_settings_file.kind,
829 });
830 }
831 }
832 }
833
834 let mut collaborators = project
835 .find_related(project_collaborator::Entity)
836 .all(tx)
837 .await?;
838 let self_collaborator = if let Some(self_collaborator_ix) = collaborators
839 .iter()
840 .position(|collaborator| collaborator.user_id == user_id)
841 {
842 collaborators.swap_remove(self_collaborator_ix)
843 } else {
844 return Ok(None);
845 };
846 let old_connection_id = self_collaborator.connection();
847 project_collaborator::Entity::update(project_collaborator::ActiveModel {
848 connection_id: ActiveValue::set(connection.id as i32),
849 connection_server_id: ActiveValue::set(ServerId(connection.owner_id as i32)),
850 ..self_collaborator.into_active_model()
851 })
852 .exec(tx)
853 .await?;
854
855 let collaborators = collaborators
856 .into_iter()
857 .map(|collaborator| ProjectCollaborator {
858 connection_id: collaborator.connection(),
859 user_id: collaborator.user_id,
860 replica_id: collaborator.replica_id,
861 is_host: collaborator.is_host,
862 committer_name: collaborator.committer_name,
863 committer_email: collaborator.committer_email,
864 })
865 .collect::<Vec<_>>();
866
867 Ok(Some(RejoinedProject {
868 id: project_id,
869 old_connection_id,
870 collaborators,
871 updated_repositories,
872 removed_repositories,
873 worktrees,
874 language_servers,
875 }))
876 }
877
878 pub async fn leave_room(
879 &self,
880 connection: ConnectionId,
881 ) -> Result<Option<TransactionGuard<LeftRoom>>> {
882 self.optional_room_transaction(|tx| async move {
883 let leaving_participant = room_participant::Entity::find()
884 .filter(
885 Condition::all()
886 .add(
887 room_participant::Column::AnsweringConnectionId
888 .eq(connection.id as i32),
889 )
890 .add(
891 room_participant::Column::AnsweringConnectionServerId
892 .eq(connection.owner_id as i32),
893 ),
894 )
895 .one(&*tx)
896 .await?;
897
898 if let Some(leaving_participant) = leaving_participant {
899 // Leave room.
900 let room_id = leaving_participant.room_id;
901 room_participant::Entity::delete_by_id(leaving_participant.id)
902 .exec(&*tx)
903 .await?;
904
905 // Cancel pending calls initiated by the leaving user.
906 let called_participants = room_participant::Entity::find()
907 .filter(
908 Condition::all()
909 .add(
910 room_participant::Column::CallingUserId
911 .eq(leaving_participant.user_id),
912 )
913 .add(room_participant::Column::AnsweringConnectionId.is_null()),
914 )
915 .all(&*tx)
916 .await?;
917 room_participant::Entity::delete_many()
918 .filter(
919 room_participant::Column::Id
920 .is_in(called_participants.iter().map(|participant| participant.id)),
921 )
922 .exec(&*tx)
923 .await?;
924 let canceled_calls_to_user_ids = called_participants
925 .into_iter()
926 .map(|participant| participant.user_id)
927 .collect();
928
929 // Detect left projects.
930 #[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
931 enum QueryProjectIds {
932 ProjectId,
933 }
934 let project_ids: Vec<ProjectId> = project_collaborator::Entity::find()
935 .select_only()
936 .column_as(
937 project_collaborator::Column::ProjectId,
938 QueryProjectIds::ProjectId,
939 )
940 .filter(
941 Condition::all()
942 .add(
943 project_collaborator::Column::ConnectionId.eq(connection.id as i32),
944 )
945 .add(
946 project_collaborator::Column::ConnectionServerId
947 .eq(connection.owner_id as i32),
948 ),
949 )
950 .into_values::<_, QueryProjectIds>()
951 .all(&*tx)
952 .await?;
953
954 let mut left_projects = HashMap::default();
955 let mut collaborators = project_collaborator::Entity::find()
956 .filter(project_collaborator::Column::ProjectId.is_in(project_ids))
957 .stream(&*tx)
958 .await?;
959
960 while let Some(collaborator) = collaborators.next().await {
961 let collaborator = collaborator?;
962 let left_project =
963 left_projects
964 .entry(collaborator.project_id)
965 .or_insert(LeftProject {
966 id: collaborator.project_id,
967 connection_ids: Default::default(),
968 should_unshare: false,
969 });
970
971 let collaborator_connection_id = collaborator.connection();
972 if collaborator_connection_id != connection {
973 left_project.connection_ids.push(collaborator_connection_id);
974 }
975
976 if collaborator.is_host && collaborator.connection() == connection {
977 left_project.should_unshare = true;
978 }
979 }
980 drop(collaborators);
981
982 // Leave projects.
983 project_collaborator::Entity::delete_many()
984 .filter(
985 Condition::all()
986 .add(
987 project_collaborator::Column::ConnectionId.eq(connection.id as i32),
988 )
989 .add(
990 project_collaborator::Column::ConnectionServerId
991 .eq(connection.owner_id as i32),
992 ),
993 )
994 .exec(&*tx)
995 .await?;
996
997 follower::Entity::delete_many()
998 .filter(
999 Condition::all()
1000 .add(follower::Column::FollowerConnectionId.eq(connection.id as i32)),
1001 )
1002 .exec(&*tx)
1003 .await?;
1004
1005 // Unshare projects.
1006 project::Entity::delete_many()
1007 .filter(
1008 Condition::all()
1009 .add(project::Column::RoomId.eq(room_id))
1010 .add(project::Column::HostConnectionId.eq(connection.id as i32))
1011 .add(
1012 project::Column::HostConnectionServerId
1013 .eq(connection.owner_id as i32),
1014 ),
1015 )
1016 .exec(&*tx)
1017 .await?;
1018
1019 let (channel, room) = self.get_channel_room(room_id, &tx).await?;
1020 let deleted = if room.participants.is_empty() {
1021 let result = room::Entity::delete_by_id(room_id).exec(&*tx).await?;
1022 result.rows_affected > 0
1023 } else {
1024 false
1025 };
1026
1027 let left_room = LeftRoom {
1028 room,
1029 channel,
1030 left_projects,
1031 canceled_calls_to_user_ids,
1032 deleted,
1033 };
1034
1035 if left_room.room.participants.is_empty() {
1036 self.rooms.remove(&room_id);
1037 }
1038
1039 Ok(Some((room_id, left_room)))
1040 } else {
1041 Ok(None)
1042 }
1043 })
1044 .await
1045 }
1046
1047 /// Updates the location of a participant in the given room.
1048 pub async fn update_room_participant_location(
1049 &self,
1050 room_id: RoomId,
1051 connection: ConnectionId,
1052 location: proto::ParticipantLocation,
1053 ) -> Result<TransactionGuard<proto::Room>> {
1054 self.room_transaction(room_id, |tx| async {
1055 let tx = tx;
1056 let location_kind;
1057 let location_project_id;
1058 match location.variant.as_ref().context("invalid location")? {
1059 proto::participant_location::Variant::SharedProject(project) => {
1060 location_kind = 0;
1061 location_project_id = Some(ProjectId::from_proto(project.id));
1062 }
1063 proto::participant_location::Variant::UnsharedProject(_) => {
1064 location_kind = 1;
1065 location_project_id = None;
1066 }
1067 proto::participant_location::Variant::External(_) => {
1068 location_kind = 2;
1069 location_project_id = None;
1070 }
1071 }
1072
1073 let result = room_participant::Entity::update_many()
1074 .filter(
1075 Condition::all()
1076 .add(room_participant::Column::RoomId.eq(room_id))
1077 .add(
1078 room_participant::Column::AnsweringConnectionId
1079 .eq(connection.id as i32),
1080 )
1081 .add(
1082 room_participant::Column::AnsweringConnectionServerId
1083 .eq(connection.owner_id as i32),
1084 ),
1085 )
1086 .set(room_participant::ActiveModel {
1087 location_kind: ActiveValue::set(Some(location_kind)),
1088 location_project_id: ActiveValue::set(location_project_id),
1089 ..Default::default()
1090 })
1091 .exec(&*tx)
1092 .await?;
1093
1094 if result.rows_affected == 1 {
1095 let room = self.get_room(room_id, &tx).await?;
1096 Ok(room)
1097 } else {
1098 Err(anyhow!("could not update room participant location"))?
1099 }
1100 })
1101 .await
1102 }
1103
1104 /// Sets the role of a participant in the given room.
1105 pub async fn set_room_participant_role(
1106 &self,
1107 admin_id: UserId,
1108 room_id: RoomId,
1109 user_id: UserId,
1110 role: ChannelRole,
1111 ) -> Result<TransactionGuard<proto::Room>> {
1112 self.room_transaction(room_id, |tx| async move {
1113 room_participant::Entity::find()
1114 .filter(
1115 Condition::all()
1116 .add(room_participant::Column::RoomId.eq(room_id))
1117 .add(room_participant::Column::UserId.eq(admin_id))
1118 .add(room_participant::Column::Role.eq(ChannelRole::Admin)),
1119 )
1120 .one(&*tx)
1121 .await?
1122 .context("only admins can set participant role")?;
1123
1124 if role.requires_cla() {
1125 self.check_user_has_signed_cla(user_id, room_id, &tx)
1126 .await?;
1127 }
1128
1129 let result = room_participant::Entity::update_many()
1130 .filter(
1131 Condition::all()
1132 .add(room_participant::Column::RoomId.eq(room_id))
1133 .add(room_participant::Column::UserId.eq(user_id)),
1134 )
1135 .set(room_participant::ActiveModel {
1136 role: ActiveValue::set(Some(role)),
1137 ..Default::default()
1138 })
1139 .exec(&*tx)
1140 .await?;
1141
1142 if result.rows_affected != 1 {
1143 Err(anyhow!("could not update room participant role"))?;
1144 }
1145 self.get_room(room_id, &tx).await
1146 })
1147 .await
1148 }
1149
1150 async fn check_user_has_signed_cla(
1151 &self,
1152 user_id: UserId,
1153 room_id: RoomId,
1154 tx: &DatabaseTransaction,
1155 ) -> Result<()> {
1156 let channel = room::Entity::find_by_id(room_id)
1157 .one(tx)
1158 .await?
1159 .context("could not find room")?
1160 .find_related(channel::Entity)
1161 .one(tx)
1162 .await?;
1163
1164 if let Some(channel) = channel {
1165 let requires_zed_cla = channel.requires_zed_cla
1166 || channel::Entity::find()
1167 .filter(
1168 channel::Column::Id
1169 .is_in(channel.ancestors())
1170 .and(channel::Column::RequiresZedCla.eq(true)),
1171 )
1172 .count(tx)
1173 .await?
1174 > 0;
1175 if requires_zed_cla
1176 && contributor::Entity::find()
1177 .filter(contributor::Column::UserId.eq(user_id))
1178 .one(tx)
1179 .await?
1180 .is_none()
1181 {
1182 Err(anyhow!("user has not signed the Zed CLA"))?;
1183 }
1184 }
1185 Ok(())
1186 }
1187
1188 pub async fn connection_lost(&self, connection: ConnectionId) -> Result<()> {
1189 self.transaction(|tx| async move {
1190 self.room_connection_lost(connection, &tx).await?;
1191 self.channel_buffer_connection_lost(connection, &tx).await?;
1192 self.channel_chat_connection_lost(connection, &tx).await?;
1193 Ok(())
1194 })
1195 .await
1196 }
1197
1198 pub async fn room_connection_lost(
1199 &self,
1200 connection: ConnectionId,
1201 tx: &DatabaseTransaction,
1202 ) -> Result<()> {
1203 let participant = room_participant::Entity::find()
1204 .filter(
1205 Condition::all()
1206 .add(room_participant::Column::AnsweringConnectionId.eq(connection.id as i32))
1207 .add(
1208 room_participant::Column::AnsweringConnectionServerId
1209 .eq(connection.owner_id as i32),
1210 ),
1211 )
1212 .one(tx)
1213 .await?;
1214
1215 if let Some(participant) = participant {
1216 room_participant::Entity::update(room_participant::ActiveModel {
1217 answering_connection_lost: ActiveValue::set(true),
1218 ..participant.into_active_model()
1219 })
1220 .exec(tx)
1221 .await?;
1222 }
1223 Ok(())
1224 }
1225
1226 fn build_incoming_call(
1227 room: &proto::Room,
1228 called_user_id: UserId,
1229 ) -> Option<proto::IncomingCall> {
1230 let pending_participant = room
1231 .pending_participants
1232 .iter()
1233 .find(|participant| participant.user_id == called_user_id.to_proto())?;
1234
1235 Some(proto::IncomingCall {
1236 room_id: room.id,
1237 calling_user_id: pending_participant.calling_user_id,
1238 participant_user_ids: room
1239 .participants
1240 .iter()
1241 .map(|participant| participant.user_id)
1242 .collect(),
1243 initial_project: room.participants.iter().find_map(|participant| {
1244 let initial_project_id = pending_participant.initial_project_id?;
1245 participant
1246 .projects
1247 .iter()
1248 .find(|project| project.id == initial_project_id)
1249 .cloned()
1250 }),
1251 })
1252 }
1253
1254 pub async fn get_room(&self, room_id: RoomId, tx: &DatabaseTransaction) -> Result<proto::Room> {
1255 let (_, room) = self.get_channel_room(room_id, tx).await?;
1256 Ok(room)
1257 }
1258
1259 pub async fn room_connection_ids(
1260 &self,
1261 room_id: RoomId,
1262 connection_id: ConnectionId,
1263 ) -> Result<TransactionGuard<HashSet<ConnectionId>>> {
1264 self.room_transaction(room_id, |tx| async move {
1265 let mut participants = room_participant::Entity::find()
1266 .filter(room_participant::Column::RoomId.eq(room_id))
1267 .stream(&*tx)
1268 .await?;
1269
1270 let mut is_participant = false;
1271 let mut connection_ids = HashSet::default();
1272 while let Some(participant) = participants.next().await {
1273 let participant = participant?;
1274 if let Some(answering_connection) = participant.answering_connection() {
1275 if answering_connection == connection_id {
1276 is_participant = true;
1277 } else {
1278 connection_ids.insert(answering_connection);
1279 }
1280 }
1281 }
1282
1283 if !is_participant {
1284 Err(anyhow!("not a room participant"))?;
1285 }
1286
1287 Ok(connection_ids)
1288 })
1289 .await
1290 }
1291
1292 async fn get_channel_room(
1293 &self,
1294 room_id: RoomId,
1295 tx: &DatabaseTransaction,
1296 ) -> Result<(Option<channel::Model>, proto::Room)> {
1297 let db_room = room::Entity::find_by_id(room_id)
1298 .one(tx)
1299 .await?
1300 .context("could not find room")?;
1301
1302 let mut db_participants = db_room
1303 .find_related(room_participant::Entity)
1304 .stream(tx)
1305 .await?;
1306 let mut participants = HashMap::default();
1307 let mut pending_participants = Vec::new();
1308 while let Some(db_participant) = db_participants.next().await {
1309 let db_participant = db_participant?;
1310 if let (
1311 Some(answering_connection_id),
1312 Some(answering_connection_server_id),
1313 Some(participant_index),
1314 ) = (
1315 db_participant.answering_connection_id,
1316 db_participant.answering_connection_server_id,
1317 db_participant.participant_index,
1318 ) {
1319 let location = match (
1320 db_participant.location_kind,
1321 db_participant.location_project_id,
1322 ) {
1323 (Some(0), Some(project_id)) => {
1324 Some(proto::participant_location::Variant::SharedProject(
1325 proto::participant_location::SharedProject {
1326 id: project_id.to_proto(),
1327 },
1328 ))
1329 }
1330 (Some(1), _) => Some(proto::participant_location::Variant::UnsharedProject(
1331 Default::default(),
1332 )),
1333 _ => Some(proto::participant_location::Variant::External(
1334 Default::default(),
1335 )),
1336 };
1337
1338 let answering_connection = ConnectionId {
1339 owner_id: answering_connection_server_id.0 as u32,
1340 id: answering_connection_id as u32,
1341 };
1342 participants.insert(
1343 answering_connection,
1344 proto::Participant {
1345 user_id: db_participant.user_id.to_proto(),
1346 peer_id: Some(answering_connection.into()),
1347 projects: Default::default(),
1348 location: Some(proto::ParticipantLocation { variant: location }),
1349 participant_index: participant_index as u32,
1350 role: db_participant.role.unwrap_or(ChannelRole::Member).into(),
1351 },
1352 );
1353 } else {
1354 pending_participants.push(proto::PendingParticipant {
1355 user_id: db_participant.user_id.to_proto(),
1356 calling_user_id: db_participant.calling_user_id.to_proto(),
1357 initial_project_id: db_participant.initial_project_id.map(|id| id.to_proto()),
1358 });
1359 }
1360 }
1361 drop(db_participants);
1362
1363 let db_projects = db_room
1364 .find_related(project::Entity)
1365 .find_with_related(worktree::Entity)
1366 .all(tx)
1367 .await?;
1368
1369 for (db_project, db_worktrees) in db_projects {
1370 let host_connection = db_project.host_connection()?;
1371 if let Some(participant) = participants.get_mut(&host_connection) {
1372 participant.projects.push(proto::ParticipantProject {
1373 id: db_project.id.to_proto(),
1374 worktree_root_names: Default::default(),
1375 });
1376 let project = participant.projects.last_mut().unwrap();
1377
1378 for db_worktree in db_worktrees {
1379 if db_worktree.visible {
1380 project.worktree_root_names.push(db_worktree.root_name);
1381 }
1382 }
1383 }
1384 }
1385
1386 let mut db_followers = db_room.find_related(follower::Entity).stream(tx).await?;
1387 let mut followers = Vec::new();
1388 while let Some(db_follower) = db_followers.next().await {
1389 let db_follower = db_follower?;
1390 followers.push(proto::Follower {
1391 leader_id: Some(db_follower.leader_connection().into()),
1392 follower_id: Some(db_follower.follower_connection().into()),
1393 project_id: db_follower.project_id.to_proto(),
1394 });
1395 }
1396 drop(db_followers);
1397
1398 let channel = if let Some(channel_id) = db_room.channel_id {
1399 Some(self.get_channel_internal(channel_id, tx).await?)
1400 } else {
1401 None
1402 };
1403
1404 Ok((
1405 channel,
1406 proto::Room {
1407 id: db_room.id.to_proto(),
1408 livekit_room: db_room.live_kit_room,
1409 participants: participants.into_values().collect(),
1410 pending_participants,
1411 followers,
1412 },
1413 ))
1414 }
1415}