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