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 live_kit_room: &str,
107 ) -> Result<proto::Room> {
108 self.transaction(|tx| async move {
109 let room = room::ActiveModel {
110 live_kit_room: ActiveValue::set(live_kit_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 is_symlink: db_entry.is_symlink,
663 is_ignored: db_entry.is_ignored,
664 is_external: db_entry.is_external,
665 git_status: db_entry.git_status.map(|status| status as i32),
666 });
667 }
668 }
669 }
670
671 // Repository Entries
672 {
673 let repository_entry_filter = if let Some(rejoined_worktree) = rejoined_worktree {
674 worktree_repository::Column::ScanId.gt(rejoined_worktree.scan_id)
675 } else {
676 worktree_repository::Column::IsDeleted.eq(false)
677 };
678
679 let mut db_repositories = worktree_repository::Entity::find()
680 .filter(
681 Condition::all()
682 .add(worktree_repository::Column::ProjectId.eq(project.id))
683 .add(worktree_repository::Column::WorktreeId.eq(worktree.id))
684 .add(repository_entry_filter),
685 )
686 .stream(tx)
687 .await?;
688
689 while let Some(db_repository) = db_repositories.next().await {
690 let db_repository = db_repository?;
691 if db_repository.is_deleted {
692 worktree
693 .removed_repositories
694 .push(db_repository.work_directory_id as u64);
695 } else {
696 worktree.updated_repositories.push(proto::RepositoryEntry {
697 work_directory_id: db_repository.work_directory_id as u64,
698 branch: db_repository.branch,
699 });
700 }
701 }
702 }
703
704 worktrees.push(worktree);
705 }
706
707 let language_servers = project
708 .find_related(language_server::Entity)
709 .all(tx)
710 .await?
711 .into_iter()
712 .map(|language_server| proto::LanguageServer {
713 id: language_server.id as u64,
714 name: language_server.name,
715 })
716 .collect::<Vec<_>>();
717
718 {
719 let mut db_settings_files = worktree_settings_file::Entity::find()
720 .filter(worktree_settings_file::Column::ProjectId.eq(project_id))
721 .stream(tx)
722 .await?;
723 while let Some(db_settings_file) = db_settings_files.next().await {
724 let db_settings_file = db_settings_file?;
725 if let Some(worktree) = worktrees
726 .iter_mut()
727 .find(|w| w.id == db_settings_file.worktree_id as u64)
728 {
729 worktree.settings_files.push(WorktreeSettingsFile {
730 path: db_settings_file.path,
731 content: db_settings_file.content,
732 });
733 }
734 }
735 }
736
737 let mut collaborators = project
738 .find_related(project_collaborator::Entity)
739 .all(tx)
740 .await?;
741 let self_collaborator = if let Some(self_collaborator_ix) = collaborators
742 .iter()
743 .position(|collaborator| collaborator.user_id == user_id)
744 {
745 collaborators.swap_remove(self_collaborator_ix)
746 } else {
747 return Ok(None);
748 };
749 let old_connection_id = self_collaborator.connection();
750 project_collaborator::Entity::update(project_collaborator::ActiveModel {
751 connection_id: ActiveValue::set(connection.id as i32),
752 connection_server_id: ActiveValue::set(ServerId(connection.owner_id as i32)),
753 ..self_collaborator.into_active_model()
754 })
755 .exec(tx)
756 .await?;
757
758 let collaborators = collaborators
759 .into_iter()
760 .map(|collaborator| ProjectCollaborator {
761 connection_id: collaborator.connection(),
762 user_id: collaborator.user_id,
763 replica_id: collaborator.replica_id,
764 is_host: collaborator.is_host,
765 })
766 .collect::<Vec<_>>();
767
768 return Ok(Some(RejoinedProject {
769 id: project_id,
770 old_connection_id,
771 collaborators,
772 worktrees,
773 language_servers,
774 }));
775 }
776
777 pub async fn leave_room(
778 &self,
779 connection: ConnectionId,
780 ) -> Result<Option<TransactionGuard<LeftRoom>>> {
781 self.optional_room_transaction(|tx| async move {
782 let leaving_participant = room_participant::Entity::find()
783 .filter(
784 Condition::all()
785 .add(
786 room_participant::Column::AnsweringConnectionId
787 .eq(connection.id as i32),
788 )
789 .add(
790 room_participant::Column::AnsweringConnectionServerId
791 .eq(connection.owner_id as i32),
792 ),
793 )
794 .one(&*tx)
795 .await?;
796
797 if let Some(leaving_participant) = leaving_participant {
798 // Leave room.
799 let room_id = leaving_participant.room_id;
800 room_participant::Entity::delete_by_id(leaving_participant.id)
801 .exec(&*tx)
802 .await?;
803
804 // Cancel pending calls initiated by the leaving user.
805 let called_participants = room_participant::Entity::find()
806 .filter(
807 Condition::all()
808 .add(
809 room_participant::Column::CallingUserId
810 .eq(leaving_participant.user_id),
811 )
812 .add(room_participant::Column::AnsweringConnectionId.is_null()),
813 )
814 .all(&*tx)
815 .await?;
816 room_participant::Entity::delete_many()
817 .filter(
818 room_participant::Column::Id
819 .is_in(called_participants.iter().map(|participant| participant.id)),
820 )
821 .exec(&*tx)
822 .await?;
823 let canceled_calls_to_user_ids = called_participants
824 .into_iter()
825 .map(|participant| participant.user_id)
826 .collect();
827
828 // Detect left projects.
829 #[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
830 enum QueryProjectIds {
831 ProjectId,
832 }
833 let project_ids: Vec<ProjectId> = project_collaborator::Entity::find()
834 .select_only()
835 .column_as(
836 project_collaborator::Column::ProjectId,
837 QueryProjectIds::ProjectId,
838 )
839 .filter(
840 Condition::all()
841 .add(
842 project_collaborator::Column::ConnectionId.eq(connection.id as i32),
843 )
844 .add(
845 project_collaborator::Column::ConnectionServerId
846 .eq(connection.owner_id as i32),
847 ),
848 )
849 .into_values::<_, QueryProjectIds>()
850 .all(&*tx)
851 .await?;
852 let mut left_projects = HashMap::default();
853 let mut collaborators = project_collaborator::Entity::find()
854 .filter(project_collaborator::Column::ProjectId.is_in(project_ids))
855 .stream(&*tx)
856 .await?;
857 while let Some(collaborator) = collaborators.next().await {
858 let collaborator = collaborator?;
859 let left_project =
860 left_projects
861 .entry(collaborator.project_id)
862 .or_insert(LeftProject {
863 id: collaborator.project_id,
864 host_user_id: Default::default(),
865 connection_ids: Default::default(),
866 host_connection_id: None,
867 });
868
869 let collaborator_connection_id = collaborator.connection();
870 if collaborator_connection_id != connection {
871 left_project.connection_ids.push(collaborator_connection_id);
872 }
873
874 if collaborator.is_host {
875 left_project.host_user_id = Some(collaborator.user_id);
876 left_project.host_connection_id = Some(collaborator_connection_id);
877 }
878 }
879 drop(collaborators);
880
881 // Leave projects.
882 project_collaborator::Entity::delete_many()
883 .filter(
884 Condition::all()
885 .add(
886 project_collaborator::Column::ConnectionId.eq(connection.id as i32),
887 )
888 .add(
889 project_collaborator::Column::ConnectionServerId
890 .eq(connection.owner_id as i32),
891 ),
892 )
893 .exec(&*tx)
894 .await?;
895
896 follower::Entity::delete_many()
897 .filter(
898 Condition::all()
899 .add(follower::Column::FollowerConnectionId.eq(connection.id as i32)),
900 )
901 .exec(&*tx)
902 .await?;
903
904 // Unshare projects.
905 project::Entity::delete_many()
906 .filter(
907 Condition::all()
908 .add(project::Column::RoomId.eq(room_id))
909 .add(project::Column::HostConnectionId.eq(connection.id as i32))
910 .add(
911 project::Column::HostConnectionServerId
912 .eq(connection.owner_id as i32),
913 ),
914 )
915 .exec(&*tx)
916 .await?;
917
918 let (channel, room) = self.get_channel_room(room_id, &tx).await?;
919 let deleted = if room.participants.is_empty() {
920 let result = room::Entity::delete_by_id(room_id).exec(&*tx).await?;
921 result.rows_affected > 0
922 } else {
923 false
924 };
925
926 let left_room = LeftRoom {
927 room,
928 channel,
929 left_projects,
930 canceled_calls_to_user_ids,
931 deleted,
932 };
933
934 if left_room.room.participants.is_empty() {
935 self.rooms.remove(&room_id);
936 }
937
938 Ok(Some((room_id, left_room)))
939 } else {
940 Ok(None)
941 }
942 })
943 .await
944 }
945
946 /// Updates the location of a participant in the given room.
947 pub async fn update_room_participant_location(
948 &self,
949 room_id: RoomId,
950 connection: ConnectionId,
951 location: proto::ParticipantLocation,
952 ) -> Result<TransactionGuard<proto::Room>> {
953 self.room_transaction(room_id, |tx| async {
954 let tx = tx;
955 let location_kind;
956 let location_project_id;
957 match location
958 .variant
959 .as_ref()
960 .ok_or_else(|| anyhow!("invalid location"))?
961 {
962 proto::participant_location::Variant::SharedProject(project) => {
963 location_kind = 0;
964 location_project_id = Some(ProjectId::from_proto(project.id));
965 }
966 proto::participant_location::Variant::UnsharedProject(_) => {
967 location_kind = 1;
968 location_project_id = None;
969 }
970 proto::participant_location::Variant::External(_) => {
971 location_kind = 2;
972 location_project_id = None;
973 }
974 }
975
976 let result = room_participant::Entity::update_many()
977 .filter(
978 Condition::all()
979 .add(room_participant::Column::RoomId.eq(room_id))
980 .add(
981 room_participant::Column::AnsweringConnectionId
982 .eq(connection.id as i32),
983 )
984 .add(
985 room_participant::Column::AnsweringConnectionServerId
986 .eq(connection.owner_id as i32),
987 ),
988 )
989 .set(room_participant::ActiveModel {
990 location_kind: ActiveValue::set(Some(location_kind)),
991 location_project_id: ActiveValue::set(location_project_id),
992 ..Default::default()
993 })
994 .exec(&*tx)
995 .await?;
996
997 if result.rows_affected == 1 {
998 let room = self.get_room(room_id, &tx).await?;
999 Ok(room)
1000 } else {
1001 Err(anyhow!("could not update room participant location"))?
1002 }
1003 })
1004 .await
1005 }
1006
1007 /// Sets the role of a participant in the given room.
1008 pub async fn set_room_participant_role(
1009 &self,
1010 admin_id: UserId,
1011 room_id: RoomId,
1012 user_id: UserId,
1013 role: ChannelRole,
1014 ) -> Result<TransactionGuard<proto::Room>> {
1015 self.room_transaction(room_id, |tx| async move {
1016 room_participant::Entity::find()
1017 .filter(
1018 Condition::all()
1019 .add(room_participant::Column::RoomId.eq(room_id))
1020 .add(room_participant::Column::UserId.eq(admin_id))
1021 .add(room_participant::Column::Role.eq(ChannelRole::Admin)),
1022 )
1023 .one(&*tx)
1024 .await?
1025 .ok_or_else(|| anyhow!("only admins can set participant role"))?;
1026
1027 if role.requires_cla() {
1028 self.check_user_has_signed_cla(user_id, room_id, &tx)
1029 .await?;
1030 }
1031
1032 let result = room_participant::Entity::update_many()
1033 .filter(
1034 Condition::all()
1035 .add(room_participant::Column::RoomId.eq(room_id))
1036 .add(room_participant::Column::UserId.eq(user_id)),
1037 )
1038 .set(room_participant::ActiveModel {
1039 role: ActiveValue::set(Some(role)),
1040 ..Default::default()
1041 })
1042 .exec(&*tx)
1043 .await?;
1044
1045 if result.rows_affected != 1 {
1046 Err(anyhow!("could not update room participant role"))?;
1047 }
1048 self.get_room(room_id, &tx).await
1049 })
1050 .await
1051 }
1052
1053 async fn check_user_has_signed_cla(
1054 &self,
1055 user_id: UserId,
1056 room_id: RoomId,
1057 tx: &DatabaseTransaction,
1058 ) -> Result<()> {
1059 let channel = room::Entity::find_by_id(room_id)
1060 .one(tx)
1061 .await?
1062 .ok_or_else(|| anyhow!("could not find room"))?
1063 .find_related(channel::Entity)
1064 .one(tx)
1065 .await?;
1066
1067 if let Some(channel) = channel {
1068 let requires_zed_cla = channel.requires_zed_cla
1069 || channel::Entity::find()
1070 .filter(
1071 channel::Column::Id
1072 .is_in(channel.ancestors())
1073 .and(channel::Column::RequiresZedCla.eq(true)),
1074 )
1075 .count(tx)
1076 .await?
1077 > 0;
1078 if requires_zed_cla {
1079 if contributor::Entity::find()
1080 .filter(contributor::Column::UserId.eq(user_id))
1081 .one(tx)
1082 .await?
1083 .is_none()
1084 {
1085 Err(anyhow!("user has not signed the Zed CLA"))?;
1086 }
1087 }
1088 }
1089 Ok(())
1090 }
1091
1092 pub async fn connection_lost(&self, connection: ConnectionId) -> Result<()> {
1093 self.transaction(|tx| async move {
1094 self.room_connection_lost(connection, &tx).await?;
1095 self.channel_buffer_connection_lost(connection, &tx).await?;
1096 self.channel_chat_connection_lost(connection, &tx).await?;
1097 Ok(())
1098 })
1099 .await
1100 }
1101
1102 pub async fn room_connection_lost(
1103 &self,
1104 connection: ConnectionId,
1105 tx: &DatabaseTransaction,
1106 ) -> Result<()> {
1107 let participant = room_participant::Entity::find()
1108 .filter(
1109 Condition::all()
1110 .add(room_participant::Column::AnsweringConnectionId.eq(connection.id as i32))
1111 .add(
1112 room_participant::Column::AnsweringConnectionServerId
1113 .eq(connection.owner_id as i32),
1114 ),
1115 )
1116 .one(tx)
1117 .await?;
1118
1119 if let Some(participant) = participant {
1120 room_participant::Entity::update(room_participant::ActiveModel {
1121 answering_connection_lost: ActiveValue::set(true),
1122 ..participant.into_active_model()
1123 })
1124 .exec(tx)
1125 .await?;
1126 }
1127 Ok(())
1128 }
1129
1130 fn build_incoming_call(
1131 room: &proto::Room,
1132 called_user_id: UserId,
1133 ) -> Option<proto::IncomingCall> {
1134 let pending_participant = room
1135 .pending_participants
1136 .iter()
1137 .find(|participant| participant.user_id == called_user_id.to_proto())?;
1138
1139 Some(proto::IncomingCall {
1140 room_id: room.id,
1141 calling_user_id: pending_participant.calling_user_id,
1142 participant_user_ids: room
1143 .participants
1144 .iter()
1145 .map(|participant| participant.user_id)
1146 .collect(),
1147 initial_project: room.participants.iter().find_map(|participant| {
1148 let initial_project_id = pending_participant.initial_project_id?;
1149 participant
1150 .projects
1151 .iter()
1152 .find(|project| project.id == initial_project_id)
1153 .cloned()
1154 }),
1155 })
1156 }
1157
1158 pub async fn get_room(&self, room_id: RoomId, tx: &DatabaseTransaction) -> Result<proto::Room> {
1159 let (_, room) = self.get_channel_room(room_id, tx).await?;
1160 Ok(room)
1161 }
1162
1163 pub async fn room_connection_ids(
1164 &self,
1165 room_id: RoomId,
1166 connection_id: ConnectionId,
1167 ) -> Result<TransactionGuard<HashSet<ConnectionId>>> {
1168 self.room_transaction(room_id, |tx| async move {
1169 let mut participants = room_participant::Entity::find()
1170 .filter(room_participant::Column::RoomId.eq(room_id))
1171 .stream(&*tx)
1172 .await?;
1173
1174 let mut is_participant = false;
1175 let mut connection_ids = HashSet::default();
1176 while let Some(participant) = participants.next().await {
1177 let participant = participant?;
1178 if let Some(answering_connection) = participant.answering_connection() {
1179 if answering_connection == connection_id {
1180 is_participant = true;
1181 } else {
1182 connection_ids.insert(answering_connection);
1183 }
1184 }
1185 }
1186
1187 if !is_participant {
1188 Err(anyhow!("not a room participant"))?;
1189 }
1190
1191 Ok(connection_ids)
1192 })
1193 .await
1194 }
1195
1196 async fn get_channel_room(
1197 &self,
1198 room_id: RoomId,
1199 tx: &DatabaseTransaction,
1200 ) -> Result<(Option<channel::Model>, proto::Room)> {
1201 let db_room = room::Entity::find_by_id(room_id)
1202 .one(tx)
1203 .await?
1204 .ok_or_else(|| anyhow!("could not find room"))?;
1205
1206 let mut db_participants = db_room
1207 .find_related(room_participant::Entity)
1208 .stream(tx)
1209 .await?;
1210 let mut participants = HashMap::default();
1211 let mut pending_participants = Vec::new();
1212 while let Some(db_participant) = db_participants.next().await {
1213 let db_participant = db_participant?;
1214 if let (
1215 Some(answering_connection_id),
1216 Some(answering_connection_server_id),
1217 Some(participant_index),
1218 ) = (
1219 db_participant.answering_connection_id,
1220 db_participant.answering_connection_server_id,
1221 db_participant.participant_index,
1222 ) {
1223 let location = match (
1224 db_participant.location_kind,
1225 db_participant.location_project_id,
1226 ) {
1227 (Some(0), Some(project_id)) => {
1228 Some(proto::participant_location::Variant::SharedProject(
1229 proto::participant_location::SharedProject {
1230 id: project_id.to_proto(),
1231 },
1232 ))
1233 }
1234 (Some(1), _) => Some(proto::participant_location::Variant::UnsharedProject(
1235 Default::default(),
1236 )),
1237 _ => Some(proto::participant_location::Variant::External(
1238 Default::default(),
1239 )),
1240 };
1241
1242 let answering_connection = ConnectionId {
1243 owner_id: answering_connection_server_id.0 as u32,
1244 id: answering_connection_id as u32,
1245 };
1246 participants.insert(
1247 answering_connection,
1248 proto::Participant {
1249 user_id: db_participant.user_id.to_proto(),
1250 peer_id: Some(answering_connection.into()),
1251 projects: Default::default(),
1252 location: Some(proto::ParticipantLocation { variant: location }),
1253 participant_index: participant_index as u32,
1254 role: db_participant.role.unwrap_or(ChannelRole::Member).into(),
1255 },
1256 );
1257 } else {
1258 pending_participants.push(proto::PendingParticipant {
1259 user_id: db_participant.user_id.to_proto(),
1260 calling_user_id: db_participant.calling_user_id.to_proto(),
1261 initial_project_id: db_participant.initial_project_id.map(|id| id.to_proto()),
1262 });
1263 }
1264 }
1265 drop(db_participants);
1266
1267 let mut db_projects = db_room
1268 .find_related(project::Entity)
1269 .find_with_related(worktree::Entity)
1270 .stream(tx)
1271 .await?;
1272
1273 while let Some(row) = db_projects.next().await {
1274 let (db_project, db_worktree) = row?;
1275 let host_connection = db_project.host_connection()?;
1276 if let Some(participant) = participants.get_mut(&host_connection) {
1277 let project = if let Some(project) = participant
1278 .projects
1279 .iter_mut()
1280 .find(|project| project.id == db_project.id.to_proto())
1281 {
1282 project
1283 } else {
1284 participant.projects.push(proto::ParticipantProject {
1285 id: db_project.id.to_proto(),
1286 worktree_root_names: Default::default(),
1287 });
1288 participant.projects.last_mut().unwrap()
1289 };
1290
1291 if let Some(db_worktree) = db_worktree {
1292 if db_worktree.visible {
1293 project.worktree_root_names.push(db_worktree.root_name);
1294 }
1295 }
1296 }
1297 }
1298 drop(db_projects);
1299
1300 let mut db_followers = db_room.find_related(follower::Entity).stream(tx).await?;
1301 let mut followers = Vec::new();
1302 while let Some(db_follower) = db_followers.next().await {
1303 let db_follower = db_follower?;
1304 followers.push(proto::Follower {
1305 leader_id: Some(db_follower.leader_connection().into()),
1306 follower_id: Some(db_follower.follower_connection().into()),
1307 project_id: db_follower.project_id.to_proto(),
1308 });
1309 }
1310 drop(db_followers);
1311
1312 let channel = if let Some(channel_id) = db_room.channel_id {
1313 Some(self.get_channel_internal(channel_id, tx).await?)
1314 } else {
1315 None
1316 };
1317
1318 Ok((
1319 channel,
1320 proto::Room {
1321 id: db_room.id.to_proto(),
1322 live_kit_room: db_room.live_kit_room,
1323 participants: participants.into_values().collect(),
1324 pending_participants,
1325 followers,
1326 },
1327 ))
1328 }
1329}