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