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 is_hidden: db_entry.is_hidden,
675 // This is only used in the summarization backlog, so if it's None,
676 // that just means we won't be able to detect when to resummarize
677 // based on total number of backlogged bytes - instead, we'd go
678 // on number of files only. That shouldn't be a huge deal in practice.
679 size: None,
680 is_fifo: db_entry.is_fifo,
681 });
682 }
683 }
684 }
685
686 worktrees.push(worktree);
687 }
688
689 let mut removed_repositories = Vec::new();
690 let mut updated_repositories = Vec::new();
691 for db_repo in db_repos {
692 let rejoined_repository = rejoined_project
693 .repositories
694 .iter()
695 .find(|repo| repo.id == db_repo.id as u64);
696
697 let repository_filter = if let Some(rejoined_repository) = rejoined_repository {
698 project_repository::Column::ScanId.gt(rejoined_repository.scan_id)
699 } else {
700 project_repository::Column::IsDeleted.eq(false)
701 };
702
703 let db_repositories = project_repository::Entity::find()
704 .filter(
705 Condition::all()
706 .add(project_repository::Column::ProjectId.eq(project.id))
707 .add(repository_filter),
708 )
709 .all(tx)
710 .await?;
711
712 for db_repository in db_repositories.into_iter() {
713 if db_repository.is_deleted {
714 removed_repositories.push(db_repository.id as u64);
715 } else {
716 let status_entry_filter = if let Some(rejoined_repository) = rejoined_repository
717 {
718 project_repository_statuses::Column::ScanId.gt(rejoined_repository.scan_id)
719 } else {
720 project_repository_statuses::Column::IsDeleted.eq(false)
721 };
722
723 let mut db_statuses = project_repository_statuses::Entity::find()
724 .filter(
725 Condition::all()
726 .add(project_repository_statuses::Column::ProjectId.eq(project.id))
727 .add(
728 project_repository_statuses::Column::RepositoryId
729 .eq(db_repository.id),
730 )
731 .add(status_entry_filter),
732 )
733 .stream(tx)
734 .await?;
735 let mut removed_statuses = Vec::new();
736 let mut updated_statuses = Vec::new();
737
738 while let Some(db_status) = db_statuses.next().await {
739 let db_status: project_repository_statuses::Model = db_status?;
740 if db_status.is_deleted {
741 removed_statuses.push(db_status.repo_path);
742 } else {
743 updated_statuses.push(db_status_to_proto(db_status)?);
744 }
745 }
746
747 let current_merge_conflicts = db_repository
748 .current_merge_conflicts
749 .as_ref()
750 .map(|conflicts| serde_json::from_str(conflicts))
751 .transpose()?
752 .unwrap_or_default();
753
754 let branch_summary = db_repository
755 .branch_summary
756 .as_ref()
757 .map(|branch_summary| serde_json::from_str(branch_summary))
758 .transpose()?
759 .unwrap_or_default();
760
761 let head_commit_details = db_repository
762 .head_commit_details
763 .as_ref()
764 .map(|head_commit_details| serde_json::from_str(head_commit_details))
765 .transpose()?
766 .unwrap_or_default();
767
768 let entry_ids = serde_json::from_str(&db_repository.entry_ids)
769 .context("failed to deserialize repository's entry ids")?;
770
771 if let Some(legacy_worktree_id) = db_repository.legacy_worktree_id {
772 if let Some(worktree) = worktrees
773 .iter_mut()
774 .find(|worktree| worktree.id as i64 == legacy_worktree_id)
775 {
776 worktree.updated_repositories.push(proto::RepositoryEntry {
777 repository_id: db_repository.id as u64,
778 updated_statuses,
779 removed_statuses,
780 current_merge_conflicts,
781 branch_summary,
782 });
783 }
784 } else {
785 updated_repositories.push(proto::UpdateRepository {
786 entry_ids,
787 updated_statuses,
788 removed_statuses,
789 current_merge_conflicts,
790 branch_summary,
791 head_commit_details,
792 project_id: project_id.to_proto(),
793 id: db_repository.id as u64,
794 abs_path: db_repository.abs_path,
795 scan_id: db_repository.scan_id as u64,
796 is_last_update: true,
797 merge_message: db_repository.merge_message,
798 stash_entries: Vec::new(),
799 renamed_paths: Default::default(),
800 });
801 }
802 }
803 }
804 }
805
806 let language_servers = project
807 .find_related(language_server::Entity)
808 .all(tx)
809 .await?
810 .into_iter()
811 .map(|language_server| LanguageServer {
812 server: proto::LanguageServer {
813 id: language_server.id as u64,
814 name: language_server.name,
815 worktree_id: language_server.worktree_id.map(|id| id as u64),
816 },
817 capabilities: language_server.capabilities,
818 })
819 .collect::<Vec<_>>();
820
821 {
822 let mut db_settings_files = worktree_settings_file::Entity::find()
823 .filter(worktree_settings_file::Column::ProjectId.eq(project_id))
824 .stream(tx)
825 .await?;
826 while let Some(db_settings_file) = db_settings_files.next().await {
827 let db_settings_file = db_settings_file?;
828 if let Some(worktree) = worktrees
829 .iter_mut()
830 .find(|w| w.id == db_settings_file.worktree_id as u64)
831 {
832 worktree.settings_files.push(WorktreeSettingsFile {
833 path: db_settings_file.path,
834 content: db_settings_file.content,
835 kind: db_settings_file.kind,
836 });
837 }
838 }
839 }
840
841 let mut collaborators = project
842 .find_related(project_collaborator::Entity)
843 .all(tx)
844 .await?;
845 let self_collaborator = if let Some(self_collaborator_ix) = collaborators
846 .iter()
847 .position(|collaborator| collaborator.user_id == user_id)
848 {
849 collaborators.swap_remove(self_collaborator_ix)
850 } else {
851 return Ok(None);
852 };
853 let old_connection_id = self_collaborator.connection();
854 project_collaborator::Entity::update(project_collaborator::ActiveModel {
855 connection_id: ActiveValue::set(connection.id as i32),
856 connection_server_id: ActiveValue::set(ServerId(connection.owner_id as i32)),
857 ..self_collaborator.into_active_model()
858 })
859 .exec(tx)
860 .await?;
861
862 let collaborators = collaborators
863 .into_iter()
864 .map(|collaborator| ProjectCollaborator {
865 connection_id: collaborator.connection(),
866 user_id: collaborator.user_id,
867 replica_id: collaborator.replica_id,
868 is_host: collaborator.is_host,
869 committer_name: collaborator.committer_name,
870 committer_email: collaborator.committer_email,
871 })
872 .collect::<Vec<_>>();
873
874 Ok(Some(RejoinedProject {
875 id: project_id,
876 old_connection_id,
877 collaborators,
878 updated_repositories,
879 removed_repositories,
880 worktrees,
881 language_servers,
882 }))
883 }
884
885 pub async fn leave_room(
886 &self,
887 connection: ConnectionId,
888 ) -> Result<Option<TransactionGuard<LeftRoom>>> {
889 self.optional_room_transaction(|tx| async move {
890 let leaving_participant = room_participant::Entity::find()
891 .filter(
892 Condition::all()
893 .add(
894 room_participant::Column::AnsweringConnectionId
895 .eq(connection.id as i32),
896 )
897 .add(
898 room_participant::Column::AnsweringConnectionServerId
899 .eq(connection.owner_id as i32),
900 ),
901 )
902 .one(&*tx)
903 .await?;
904
905 if let Some(leaving_participant) = leaving_participant {
906 // Leave room.
907 let room_id = leaving_participant.room_id;
908 room_participant::Entity::delete_by_id(leaving_participant.id)
909 .exec(&*tx)
910 .await?;
911
912 // Cancel pending calls initiated by the leaving user.
913 let called_participants = room_participant::Entity::find()
914 .filter(
915 Condition::all()
916 .add(
917 room_participant::Column::CallingUserId
918 .eq(leaving_participant.user_id),
919 )
920 .add(room_participant::Column::AnsweringConnectionId.is_null()),
921 )
922 .all(&*tx)
923 .await?;
924 room_participant::Entity::delete_many()
925 .filter(
926 room_participant::Column::Id
927 .is_in(called_participants.iter().map(|participant| participant.id)),
928 )
929 .exec(&*tx)
930 .await?;
931 let canceled_calls_to_user_ids = called_participants
932 .into_iter()
933 .map(|participant| participant.user_id)
934 .collect();
935
936 // Detect left projects.
937 #[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
938 enum QueryProjectIds {
939 ProjectId,
940 }
941 let project_ids: Vec<ProjectId> = project_collaborator::Entity::find()
942 .select_only()
943 .column_as(
944 project_collaborator::Column::ProjectId,
945 QueryProjectIds::ProjectId,
946 )
947 .filter(
948 Condition::all()
949 .add(
950 project_collaborator::Column::ConnectionId.eq(connection.id as i32),
951 )
952 .add(
953 project_collaborator::Column::ConnectionServerId
954 .eq(connection.owner_id as i32),
955 ),
956 )
957 .into_values::<_, QueryProjectIds>()
958 .all(&*tx)
959 .await?;
960
961 let mut left_projects = HashMap::default();
962 let mut collaborators = project_collaborator::Entity::find()
963 .filter(project_collaborator::Column::ProjectId.is_in(project_ids))
964 .stream(&*tx)
965 .await?;
966
967 while let Some(collaborator) = collaborators.next().await {
968 let collaborator = collaborator?;
969 let left_project =
970 left_projects
971 .entry(collaborator.project_id)
972 .or_insert(LeftProject {
973 id: collaborator.project_id,
974 connection_ids: Default::default(),
975 should_unshare: false,
976 });
977
978 let collaborator_connection_id = collaborator.connection();
979 if collaborator_connection_id != connection {
980 left_project.connection_ids.push(collaborator_connection_id);
981 }
982
983 if collaborator.is_host && collaborator.connection() == connection {
984 left_project.should_unshare = true;
985 }
986 }
987 drop(collaborators);
988
989 // Leave projects.
990 project_collaborator::Entity::delete_many()
991 .filter(
992 Condition::all()
993 .add(
994 project_collaborator::Column::ConnectionId.eq(connection.id as i32),
995 )
996 .add(
997 project_collaborator::Column::ConnectionServerId
998 .eq(connection.owner_id as i32),
999 ),
1000 )
1001 .exec(&*tx)
1002 .await?;
1003
1004 follower::Entity::delete_many()
1005 .filter(
1006 Condition::all()
1007 .add(follower::Column::FollowerConnectionId.eq(connection.id as i32)),
1008 )
1009 .exec(&*tx)
1010 .await?;
1011
1012 // Unshare projects.
1013 project::Entity::delete_many()
1014 .filter(
1015 Condition::all()
1016 .add(project::Column::RoomId.eq(room_id))
1017 .add(project::Column::HostConnectionId.eq(connection.id as i32))
1018 .add(
1019 project::Column::HostConnectionServerId
1020 .eq(connection.owner_id as i32),
1021 ),
1022 )
1023 .exec(&*tx)
1024 .await?;
1025
1026 let (channel, room) = self.get_channel_room(room_id, &tx).await?;
1027 let deleted = if room.participants.is_empty() {
1028 let result = room::Entity::delete_by_id(room_id).exec(&*tx).await?;
1029 result.rows_affected > 0
1030 } else {
1031 false
1032 };
1033
1034 let left_room = LeftRoom {
1035 room,
1036 channel,
1037 left_projects,
1038 canceled_calls_to_user_ids,
1039 deleted,
1040 };
1041
1042 if left_room.room.participants.is_empty() {
1043 self.rooms.remove(&room_id);
1044 }
1045
1046 Ok(Some((room_id, left_room)))
1047 } else {
1048 Ok(None)
1049 }
1050 })
1051 .await
1052 }
1053
1054 /// Updates the location of a participant in the given room.
1055 pub async fn update_room_participant_location(
1056 &self,
1057 room_id: RoomId,
1058 connection: ConnectionId,
1059 location: proto::ParticipantLocation,
1060 ) -> Result<TransactionGuard<proto::Room>> {
1061 self.room_transaction(room_id, |tx| async {
1062 let tx = tx;
1063 let location_kind;
1064 let location_project_id;
1065 match location.variant.as_ref().context("invalid location")? {
1066 proto::participant_location::Variant::SharedProject(project) => {
1067 location_kind = 0;
1068 location_project_id = Some(ProjectId::from_proto(project.id));
1069 }
1070 proto::participant_location::Variant::UnsharedProject(_) => {
1071 location_kind = 1;
1072 location_project_id = None;
1073 }
1074 proto::participant_location::Variant::External(_) => {
1075 location_kind = 2;
1076 location_project_id = None;
1077 }
1078 }
1079
1080 let result = room_participant::Entity::update_many()
1081 .filter(
1082 Condition::all()
1083 .add(room_participant::Column::RoomId.eq(room_id))
1084 .add(
1085 room_participant::Column::AnsweringConnectionId
1086 .eq(connection.id as i32),
1087 )
1088 .add(
1089 room_participant::Column::AnsweringConnectionServerId
1090 .eq(connection.owner_id as i32),
1091 ),
1092 )
1093 .set(room_participant::ActiveModel {
1094 location_kind: ActiveValue::set(Some(location_kind)),
1095 location_project_id: ActiveValue::set(location_project_id),
1096 ..Default::default()
1097 })
1098 .exec(&*tx)
1099 .await?;
1100
1101 if result.rows_affected == 1 {
1102 let room = self.get_room(room_id, &tx).await?;
1103 Ok(room)
1104 } else {
1105 Err(anyhow!("could not update room participant location"))?
1106 }
1107 })
1108 .await
1109 }
1110
1111 /// Sets the role of a participant in the given room.
1112 pub async fn set_room_participant_role(
1113 &self,
1114 admin_id: UserId,
1115 room_id: RoomId,
1116 user_id: UserId,
1117 role: ChannelRole,
1118 ) -> Result<TransactionGuard<proto::Room>> {
1119 self.room_transaction(room_id, |tx| async move {
1120 room_participant::Entity::find()
1121 .filter(
1122 Condition::all()
1123 .add(room_participant::Column::RoomId.eq(room_id))
1124 .add(room_participant::Column::UserId.eq(admin_id))
1125 .add(room_participant::Column::Role.eq(ChannelRole::Admin)),
1126 )
1127 .one(&*tx)
1128 .await?
1129 .context("only admins can set participant role")?;
1130
1131 if role.requires_cla() {
1132 self.check_user_has_signed_cla(user_id, room_id, &tx)
1133 .await?;
1134 }
1135
1136 let result = room_participant::Entity::update_many()
1137 .filter(
1138 Condition::all()
1139 .add(room_participant::Column::RoomId.eq(room_id))
1140 .add(room_participant::Column::UserId.eq(user_id)),
1141 )
1142 .set(room_participant::ActiveModel {
1143 role: ActiveValue::set(Some(role)),
1144 ..Default::default()
1145 })
1146 .exec(&*tx)
1147 .await?;
1148
1149 if result.rows_affected != 1 {
1150 Err(anyhow!("could not update room participant role"))?;
1151 }
1152 self.get_room(room_id, &tx).await
1153 })
1154 .await
1155 }
1156
1157 async fn check_user_has_signed_cla(
1158 &self,
1159 user_id: UserId,
1160 room_id: RoomId,
1161 tx: &DatabaseTransaction,
1162 ) -> Result<()> {
1163 let channel = room::Entity::find_by_id(room_id)
1164 .one(tx)
1165 .await?
1166 .context("could not find room")?
1167 .find_related(channel::Entity)
1168 .one(tx)
1169 .await?;
1170
1171 if let Some(channel) = channel {
1172 let requires_zed_cla = channel.requires_zed_cla
1173 || channel::Entity::find()
1174 .filter(
1175 channel::Column::Id
1176 .is_in(channel.ancestors())
1177 .and(channel::Column::RequiresZedCla.eq(true)),
1178 )
1179 .count(tx)
1180 .await?
1181 > 0;
1182 if requires_zed_cla
1183 && contributor::Entity::find()
1184 .filter(contributor::Column::UserId.eq(user_id))
1185 .one(tx)
1186 .await?
1187 .is_none()
1188 {
1189 Err(anyhow!("user has not signed the Zed CLA"))?;
1190 }
1191 }
1192 Ok(())
1193 }
1194
1195 pub async fn connection_lost(&self, connection: ConnectionId) -> Result<()> {
1196 self.transaction(|tx| async move {
1197 self.room_connection_lost(connection, &tx).await?;
1198 self.channel_buffer_connection_lost(connection, &tx).await?;
1199 Ok(())
1200 })
1201 .await
1202 }
1203
1204 pub async fn room_connection_lost(
1205 &self,
1206 connection: ConnectionId,
1207 tx: &DatabaseTransaction,
1208 ) -> Result<()> {
1209 let participant = room_participant::Entity::find()
1210 .filter(
1211 Condition::all()
1212 .add(room_participant::Column::AnsweringConnectionId.eq(connection.id as i32))
1213 .add(
1214 room_participant::Column::AnsweringConnectionServerId
1215 .eq(connection.owner_id as i32),
1216 ),
1217 )
1218 .one(tx)
1219 .await?;
1220
1221 if let Some(participant) = participant {
1222 room_participant::Entity::update(room_participant::ActiveModel {
1223 answering_connection_lost: ActiveValue::set(true),
1224 ..participant.into_active_model()
1225 })
1226 .exec(tx)
1227 .await?;
1228 }
1229 Ok(())
1230 }
1231
1232 fn build_incoming_call(
1233 room: &proto::Room,
1234 called_user_id: UserId,
1235 ) -> Option<proto::IncomingCall> {
1236 let pending_participant = room
1237 .pending_participants
1238 .iter()
1239 .find(|participant| participant.user_id == called_user_id.to_proto())?;
1240
1241 Some(proto::IncomingCall {
1242 room_id: room.id,
1243 calling_user_id: pending_participant.calling_user_id,
1244 participant_user_ids: room
1245 .participants
1246 .iter()
1247 .map(|participant| participant.user_id)
1248 .collect(),
1249 initial_project: room.participants.iter().find_map(|participant| {
1250 let initial_project_id = pending_participant.initial_project_id?;
1251 participant
1252 .projects
1253 .iter()
1254 .find(|project| project.id == initial_project_id)
1255 .cloned()
1256 }),
1257 })
1258 }
1259
1260 pub async fn get_room(&self, room_id: RoomId, tx: &DatabaseTransaction) -> Result<proto::Room> {
1261 let (_, room) = self.get_channel_room(room_id, tx).await?;
1262 Ok(room)
1263 }
1264
1265 pub async fn room_connection_ids(
1266 &self,
1267 room_id: RoomId,
1268 connection_id: ConnectionId,
1269 ) -> Result<TransactionGuard<HashSet<ConnectionId>>> {
1270 self.room_transaction(room_id, |tx| async move {
1271 let mut participants = room_participant::Entity::find()
1272 .filter(room_participant::Column::RoomId.eq(room_id))
1273 .stream(&*tx)
1274 .await?;
1275
1276 let mut is_participant = false;
1277 let mut connection_ids = HashSet::default();
1278 while let Some(participant) = participants.next().await {
1279 let participant = participant?;
1280 if let Some(answering_connection) = participant.answering_connection() {
1281 if answering_connection == connection_id {
1282 is_participant = true;
1283 } else {
1284 connection_ids.insert(answering_connection);
1285 }
1286 }
1287 }
1288
1289 if !is_participant {
1290 Err(anyhow!("not a room participant"))?;
1291 }
1292
1293 Ok(connection_ids)
1294 })
1295 .await
1296 }
1297
1298 async fn get_channel_room(
1299 &self,
1300 room_id: RoomId,
1301 tx: &DatabaseTransaction,
1302 ) -> Result<(Option<channel::Model>, proto::Room)> {
1303 let db_room = room::Entity::find_by_id(room_id)
1304 .one(tx)
1305 .await?
1306 .context("could not find room")?;
1307
1308 let mut db_participants = db_room
1309 .find_related(room_participant::Entity)
1310 .stream(tx)
1311 .await?;
1312 let mut participants = HashMap::default();
1313 let mut pending_participants = Vec::new();
1314 while let Some(db_participant) = db_participants.next().await {
1315 let db_participant = db_participant?;
1316 if let (
1317 Some(answering_connection_id),
1318 Some(answering_connection_server_id),
1319 Some(participant_index),
1320 ) = (
1321 db_participant.answering_connection_id,
1322 db_participant.answering_connection_server_id,
1323 db_participant.participant_index,
1324 ) {
1325 let location = match (
1326 db_participant.location_kind,
1327 db_participant.location_project_id,
1328 ) {
1329 (Some(0), Some(project_id)) => {
1330 Some(proto::participant_location::Variant::SharedProject(
1331 proto::participant_location::SharedProject {
1332 id: project_id.to_proto(),
1333 },
1334 ))
1335 }
1336 (Some(1), _) => Some(proto::participant_location::Variant::UnsharedProject(
1337 Default::default(),
1338 )),
1339 _ => Some(proto::participant_location::Variant::External(
1340 Default::default(),
1341 )),
1342 };
1343
1344 let answering_connection = ConnectionId {
1345 owner_id: answering_connection_server_id.0 as u32,
1346 id: answering_connection_id as u32,
1347 };
1348 participants.insert(
1349 answering_connection,
1350 proto::Participant {
1351 user_id: db_participant.user_id.to_proto(),
1352 peer_id: Some(answering_connection.into()),
1353 projects: Default::default(),
1354 location: Some(proto::ParticipantLocation { variant: location }),
1355 participant_index: participant_index as u32,
1356 role: db_participant.role.unwrap_or(ChannelRole::Member).into(),
1357 },
1358 );
1359 } else {
1360 pending_participants.push(proto::PendingParticipant {
1361 user_id: db_participant.user_id.to_proto(),
1362 calling_user_id: db_participant.calling_user_id.to_proto(),
1363 initial_project_id: db_participant.initial_project_id.map(|id| id.to_proto()),
1364 });
1365 }
1366 }
1367 drop(db_participants);
1368
1369 let db_projects = db_room
1370 .find_related(project::Entity)
1371 .find_with_related(worktree::Entity)
1372 .all(tx)
1373 .await?;
1374
1375 for (db_project, db_worktrees) in db_projects {
1376 let host_connection = db_project.host_connection()?;
1377 if let Some(participant) = participants.get_mut(&host_connection) {
1378 participant.projects.push(proto::ParticipantProject {
1379 id: db_project.id.to_proto(),
1380 worktree_root_names: Default::default(),
1381 });
1382 let project = participant.projects.last_mut().unwrap();
1383
1384 for db_worktree in db_worktrees {
1385 if db_worktree.visible {
1386 project.worktree_root_names.push(db_worktree.root_name);
1387 }
1388 }
1389 }
1390 }
1391
1392 let mut db_followers = db_room.find_related(follower::Entity).stream(tx).await?;
1393 let mut followers = Vec::new();
1394 while let Some(db_follower) = db_followers.next().await {
1395 let db_follower = db_follower?;
1396 followers.push(proto::Follower {
1397 leader_id: Some(db_follower.leader_connection().into()),
1398 follower_id: Some(db_follower.follower_connection().into()),
1399 project_id: db_follower.project_id.to_proto(),
1400 });
1401 }
1402 drop(db_followers);
1403
1404 let channel = if let Some(channel_id) = db_room.channel_id {
1405 Some(self.get_channel_internal(channel_id, tx).await?)
1406 } else {
1407 None
1408 };
1409
1410 Ok((
1411 channel,
1412 proto::Room {
1413 id: db_room.id.to_proto(),
1414 livekit_room: db_room.live_kit_room,
1415 participants: participants.into_values().collect(),
1416 pending_participants,
1417 followers,
1418 },
1419 ))
1420 }
1421}