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