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<RoomGuard<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<RoomGuard<(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<RoomGuard<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<RoomGuard<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<RoomGuard<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<RoomGuard<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<RoomGuard<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 let project_id = ProjectId::from_proto(rejoined_project.id);
576 let Some(project) = project::Entity::find_by_id(project_id).one(&*tx).await? else {
577 continue;
578 };
579
580 let mut worktrees = Vec::new();
581 let db_worktrees = project.find_related(worktree::Entity).all(&*tx).await?;
582 for db_worktree in db_worktrees {
583 let mut worktree = RejoinedWorktree {
584 id: db_worktree.id as u64,
585 abs_path: db_worktree.abs_path,
586 root_name: db_worktree.root_name,
587 visible: db_worktree.visible,
588 updated_entries: Default::default(),
589 removed_entries: Default::default(),
590 updated_repositories: Default::default(),
591 removed_repositories: Default::default(),
592 diagnostic_summaries: Default::default(),
593 settings_files: Default::default(),
594 scan_id: db_worktree.scan_id as u64,
595 completed_scan_id: db_worktree.completed_scan_id as u64,
596 };
597
598 let rejoined_worktree = rejoined_project
599 .worktrees
600 .iter()
601 .find(|worktree| worktree.id == db_worktree.id as u64);
602
603 // File entries
604 {
605 let entry_filter = if let Some(rejoined_worktree) = rejoined_worktree {
606 worktree_entry::Column::ScanId.gt(rejoined_worktree.scan_id)
607 } else {
608 worktree_entry::Column::IsDeleted.eq(false)
609 };
610
611 let mut db_entries = worktree_entry::Entity::find()
612 .filter(
613 Condition::all()
614 .add(worktree_entry::Column::ProjectId.eq(project.id))
615 .add(worktree_entry::Column::WorktreeId.eq(worktree.id))
616 .add(entry_filter),
617 )
618 .stream(&*tx)
619 .await?;
620
621 while let Some(db_entry) = db_entries.next().await {
622 let db_entry = db_entry?;
623 if db_entry.is_deleted {
624 worktree.removed_entries.push(db_entry.id as u64);
625 } else {
626 worktree.updated_entries.push(proto::Entry {
627 id: db_entry.id as u64,
628 is_dir: db_entry.is_dir,
629 path: db_entry.path,
630 inode: db_entry.inode as u64,
631 mtime: Some(proto::Timestamp {
632 seconds: db_entry.mtime_seconds as u64,
633 nanos: db_entry.mtime_nanos as u32,
634 }),
635 is_symlink: db_entry.is_symlink,
636 is_ignored: db_entry.is_ignored,
637 is_external: db_entry.is_external,
638 git_status: db_entry.git_status.map(|status| status as i32),
639 });
640 }
641 }
642 }
643
644 // Repository Entries
645 {
646 let repository_entry_filter =
647 if let Some(rejoined_worktree) = rejoined_worktree {
648 worktree_repository::Column::ScanId.gt(rejoined_worktree.scan_id)
649 } else {
650 worktree_repository::Column::IsDeleted.eq(false)
651 };
652
653 let mut db_repositories = worktree_repository::Entity::find()
654 .filter(
655 Condition::all()
656 .add(worktree_repository::Column::ProjectId.eq(project.id))
657 .add(worktree_repository::Column::WorktreeId.eq(worktree.id))
658 .add(repository_entry_filter),
659 )
660 .stream(&*tx)
661 .await?;
662
663 while let Some(db_repository) = db_repositories.next().await {
664 let db_repository = db_repository?;
665 if db_repository.is_deleted {
666 worktree
667 .removed_repositories
668 .push(db_repository.work_directory_id as u64);
669 } else {
670 worktree.updated_repositories.push(proto::RepositoryEntry {
671 work_directory_id: db_repository.work_directory_id as u64,
672 branch: db_repository.branch,
673 });
674 }
675 }
676 }
677
678 worktrees.push(worktree);
679 }
680
681 let language_servers = project
682 .find_related(language_server::Entity)
683 .all(&*tx)
684 .await?
685 .into_iter()
686 .map(|language_server| proto::LanguageServer {
687 id: language_server.id as u64,
688 name: language_server.name,
689 })
690 .collect::<Vec<_>>();
691
692 {
693 let mut db_settings_files = worktree_settings_file::Entity::find()
694 .filter(worktree_settings_file::Column::ProjectId.eq(project_id))
695 .stream(&*tx)
696 .await?;
697 while let Some(db_settings_file) = db_settings_files.next().await {
698 let db_settings_file = db_settings_file?;
699 if let Some(worktree) = worktrees
700 .iter_mut()
701 .find(|w| w.id == db_settings_file.worktree_id as u64)
702 {
703 worktree.settings_files.push(WorktreeSettingsFile {
704 path: db_settings_file.path,
705 content: db_settings_file.content,
706 });
707 }
708 }
709 }
710
711 let mut collaborators = project
712 .find_related(project_collaborator::Entity)
713 .all(&*tx)
714 .await?;
715 let self_collaborator = if let Some(self_collaborator_ix) = collaborators
716 .iter()
717 .position(|collaborator| collaborator.user_id == user_id)
718 {
719 collaborators.swap_remove(self_collaborator_ix)
720 } else {
721 continue;
722 };
723 let old_connection_id = self_collaborator.connection();
724 project_collaborator::Entity::update(project_collaborator::ActiveModel {
725 connection_id: ActiveValue::set(connection.id as i32),
726 connection_server_id: ActiveValue::set(ServerId(connection.owner_id as i32)),
727 ..self_collaborator.into_active_model()
728 })
729 .exec(&*tx)
730 .await?;
731
732 let collaborators = collaborators
733 .into_iter()
734 .map(|collaborator| ProjectCollaborator {
735 connection_id: collaborator.connection(),
736 user_id: collaborator.user_id,
737 replica_id: collaborator.replica_id,
738 is_host: collaborator.is_host,
739 })
740 .collect::<Vec<_>>();
741
742 rejoined_projects.push(RejoinedProject {
743 id: project_id,
744 old_connection_id,
745 collaborators,
746 worktrees,
747 language_servers,
748 });
749 }
750
751 let (channel, room) = self.get_channel_room(room_id, &tx).await?;
752
753 Ok(RejoinedRoom {
754 room,
755 channel,
756 rejoined_projects,
757 reshared_projects,
758 })
759 })
760 .await
761 }
762
763 pub async fn leave_room(
764 &self,
765 connection: ConnectionId,
766 ) -> Result<Option<RoomGuard<LeftRoom>>> {
767 self.optional_room_transaction(|tx| async move {
768 let leaving_participant = room_participant::Entity::find()
769 .filter(
770 Condition::all()
771 .add(
772 room_participant::Column::AnsweringConnectionId
773 .eq(connection.id as i32),
774 )
775 .add(
776 room_participant::Column::AnsweringConnectionServerId
777 .eq(connection.owner_id as i32),
778 ),
779 )
780 .one(&*tx)
781 .await?;
782
783 if let Some(leaving_participant) = leaving_participant {
784 // Leave room.
785 let room_id = leaving_participant.room_id;
786 room_participant::Entity::delete_by_id(leaving_participant.id)
787 .exec(&*tx)
788 .await?;
789
790 // Cancel pending calls initiated by the leaving user.
791 let called_participants = room_participant::Entity::find()
792 .filter(
793 Condition::all()
794 .add(
795 room_participant::Column::CallingUserId
796 .eq(leaving_participant.user_id),
797 )
798 .add(room_participant::Column::AnsweringConnectionId.is_null()),
799 )
800 .all(&*tx)
801 .await?;
802 room_participant::Entity::delete_many()
803 .filter(
804 room_participant::Column::Id
805 .is_in(called_participants.iter().map(|participant| participant.id)),
806 )
807 .exec(&*tx)
808 .await?;
809 let canceled_calls_to_user_ids = called_participants
810 .into_iter()
811 .map(|participant| participant.user_id)
812 .collect();
813
814 // Detect left projects.
815 #[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
816 enum QueryProjectIds {
817 ProjectId,
818 }
819 let project_ids: Vec<ProjectId> = project_collaborator::Entity::find()
820 .select_only()
821 .column_as(
822 project_collaborator::Column::ProjectId,
823 QueryProjectIds::ProjectId,
824 )
825 .filter(
826 Condition::all()
827 .add(
828 project_collaborator::Column::ConnectionId.eq(connection.id as i32),
829 )
830 .add(
831 project_collaborator::Column::ConnectionServerId
832 .eq(connection.owner_id as i32),
833 ),
834 )
835 .into_values::<_, QueryProjectIds>()
836 .all(&*tx)
837 .await?;
838 let mut left_projects = HashMap::default();
839 let mut collaborators = project_collaborator::Entity::find()
840 .filter(project_collaborator::Column::ProjectId.is_in(project_ids))
841 .stream(&*tx)
842 .await?;
843 while let Some(collaborator) = collaborators.next().await {
844 let collaborator = collaborator?;
845 let left_project =
846 left_projects
847 .entry(collaborator.project_id)
848 .or_insert(LeftProject {
849 id: collaborator.project_id,
850 host_user_id: Default::default(),
851 connection_ids: Default::default(),
852 host_connection_id: None,
853 });
854
855 let collaborator_connection_id = collaborator.connection();
856 if collaborator_connection_id != connection {
857 left_project.connection_ids.push(collaborator_connection_id);
858 }
859
860 if collaborator.is_host {
861 left_project.host_user_id = Some(collaborator.user_id);
862 left_project.host_connection_id = Some(collaborator_connection_id);
863 }
864 }
865 drop(collaborators);
866
867 // Leave projects.
868 project_collaborator::Entity::delete_many()
869 .filter(
870 Condition::all()
871 .add(
872 project_collaborator::Column::ConnectionId.eq(connection.id as i32),
873 )
874 .add(
875 project_collaborator::Column::ConnectionServerId
876 .eq(connection.owner_id as i32),
877 ),
878 )
879 .exec(&*tx)
880 .await?;
881
882 follower::Entity::delete_many()
883 .filter(
884 Condition::all()
885 .add(follower::Column::FollowerConnectionId.eq(connection.id as i32)),
886 )
887 .exec(&*tx)
888 .await?;
889
890 // Unshare projects.
891 project::Entity::delete_many()
892 .filter(
893 Condition::all()
894 .add(project::Column::RoomId.eq(room_id))
895 .add(project::Column::HostConnectionId.eq(connection.id as i32))
896 .add(
897 project::Column::HostConnectionServerId
898 .eq(connection.owner_id as i32),
899 ),
900 )
901 .exec(&*tx)
902 .await?;
903
904 let (channel, room) = self.get_channel_room(room_id, &tx).await?;
905 let deleted = if room.participants.is_empty() {
906 let result = room::Entity::delete_by_id(room_id).exec(&*tx).await?;
907 result.rows_affected > 0
908 } else {
909 false
910 };
911
912 let left_room = LeftRoom {
913 room,
914 channel,
915 left_projects,
916 canceled_calls_to_user_ids,
917 deleted,
918 };
919
920 if left_room.room.participants.is_empty() {
921 self.rooms.remove(&room_id);
922 }
923
924 Ok(Some((room_id, left_room)))
925 } else {
926 Ok(None)
927 }
928 })
929 .await
930 }
931
932 /// Updates the location of a participant in the given room.
933 pub async fn update_room_participant_location(
934 &self,
935 room_id: RoomId,
936 connection: ConnectionId,
937 location: proto::ParticipantLocation,
938 ) -> Result<RoomGuard<proto::Room>> {
939 self.room_transaction(room_id, |tx| async {
940 let tx = tx;
941 let location_kind;
942 let location_project_id;
943 match location
944 .variant
945 .as_ref()
946 .ok_or_else(|| anyhow!("invalid location"))?
947 {
948 proto::participant_location::Variant::SharedProject(project) => {
949 location_kind = 0;
950 location_project_id = Some(ProjectId::from_proto(project.id));
951 }
952 proto::participant_location::Variant::UnsharedProject(_) => {
953 location_kind = 1;
954 location_project_id = None;
955 }
956 proto::participant_location::Variant::External(_) => {
957 location_kind = 2;
958 location_project_id = None;
959 }
960 }
961
962 let result = room_participant::Entity::update_many()
963 .filter(
964 Condition::all()
965 .add(room_participant::Column::RoomId.eq(room_id))
966 .add(
967 room_participant::Column::AnsweringConnectionId
968 .eq(connection.id as i32),
969 )
970 .add(
971 room_participant::Column::AnsweringConnectionServerId
972 .eq(connection.owner_id as i32),
973 ),
974 )
975 .set(room_participant::ActiveModel {
976 location_kind: ActiveValue::set(Some(location_kind)),
977 location_project_id: ActiveValue::set(location_project_id),
978 ..Default::default()
979 })
980 .exec(&*tx)
981 .await?;
982
983 if result.rows_affected == 1 {
984 let room = self.get_room(room_id, &tx).await?;
985 Ok(room)
986 } else {
987 Err(anyhow!("could not update room participant location"))?
988 }
989 })
990 .await
991 }
992
993 /// Sets the role of a participant in the given room.
994 pub async fn set_room_participant_role(
995 &self,
996 admin_id: UserId,
997 room_id: RoomId,
998 user_id: UserId,
999 role: ChannelRole,
1000 ) -> Result<RoomGuard<proto::Room>> {
1001 self.room_transaction(room_id, |tx| async move {
1002 room_participant::Entity::find()
1003 .filter(
1004 Condition::all()
1005 .add(room_participant::Column::RoomId.eq(room_id))
1006 .add(room_participant::Column::UserId.eq(admin_id))
1007 .add(room_participant::Column::Role.eq(ChannelRole::Admin)),
1008 )
1009 .one(&*tx)
1010 .await?
1011 .ok_or_else(|| anyhow!("only admins can set participant role"))?;
1012
1013 if role.requires_cla() {
1014 self.check_user_has_signed_cla(user_id, room_id, &tx)
1015 .await?;
1016 }
1017
1018 let result = room_participant::Entity::update_many()
1019 .filter(
1020 Condition::all()
1021 .add(room_participant::Column::RoomId.eq(room_id))
1022 .add(room_participant::Column::UserId.eq(user_id)),
1023 )
1024 .set(room_participant::ActiveModel {
1025 role: ActiveValue::set(Some(role)),
1026 ..Default::default()
1027 })
1028 .exec(&*tx)
1029 .await?;
1030
1031 if result.rows_affected != 1 {
1032 Err(anyhow!("could not update room participant role"))?;
1033 }
1034 self.get_room(room_id, &tx).await
1035 })
1036 .await
1037 }
1038
1039 async fn check_user_has_signed_cla(
1040 &self,
1041 user_id: UserId,
1042 room_id: RoomId,
1043 tx: &DatabaseTransaction,
1044 ) -> Result<()> {
1045 let channel = room::Entity::find_by_id(room_id)
1046 .one(tx)
1047 .await?
1048 .ok_or_else(|| anyhow!("could not find room"))?
1049 .find_related(channel::Entity)
1050 .one(tx)
1051 .await?;
1052
1053 if let Some(channel) = channel {
1054 let requires_zed_cla = channel.requires_zed_cla
1055 || channel::Entity::find()
1056 .filter(
1057 channel::Column::Id
1058 .is_in(channel.ancestors())
1059 .and(channel::Column::RequiresZedCla.eq(true)),
1060 )
1061 .count(tx)
1062 .await?
1063 > 0;
1064 if requires_zed_cla {
1065 if contributor::Entity::find()
1066 .filter(contributor::Column::UserId.eq(user_id))
1067 .one(tx)
1068 .await?
1069 .is_none()
1070 {
1071 Err(anyhow!("user has not signed the Zed CLA"))?;
1072 }
1073 }
1074 }
1075 Ok(())
1076 }
1077
1078 pub async fn connection_lost(&self, connection: ConnectionId) -> Result<()> {
1079 self.transaction(|tx| async move {
1080 self.room_connection_lost(connection, &tx).await?;
1081 self.channel_buffer_connection_lost(connection, &tx).await?;
1082 self.channel_chat_connection_lost(connection, &tx).await?;
1083 Ok(())
1084 })
1085 .await
1086 }
1087
1088 pub async fn room_connection_lost(
1089 &self,
1090 connection: ConnectionId,
1091 tx: &DatabaseTransaction,
1092 ) -> Result<()> {
1093 let participant = room_participant::Entity::find()
1094 .filter(
1095 Condition::all()
1096 .add(room_participant::Column::AnsweringConnectionId.eq(connection.id as i32))
1097 .add(
1098 room_participant::Column::AnsweringConnectionServerId
1099 .eq(connection.owner_id as i32),
1100 ),
1101 )
1102 .one(tx)
1103 .await?;
1104
1105 if let Some(participant) = participant {
1106 room_participant::Entity::update(room_participant::ActiveModel {
1107 answering_connection_lost: ActiveValue::set(true),
1108 ..participant.into_active_model()
1109 })
1110 .exec(tx)
1111 .await?;
1112 }
1113 Ok(())
1114 }
1115
1116 fn build_incoming_call(
1117 room: &proto::Room,
1118 called_user_id: UserId,
1119 ) -> Option<proto::IncomingCall> {
1120 let pending_participant = room
1121 .pending_participants
1122 .iter()
1123 .find(|participant| participant.user_id == called_user_id.to_proto())?;
1124
1125 Some(proto::IncomingCall {
1126 room_id: room.id,
1127 calling_user_id: pending_participant.calling_user_id,
1128 participant_user_ids: room
1129 .participants
1130 .iter()
1131 .map(|participant| participant.user_id)
1132 .collect(),
1133 initial_project: room.participants.iter().find_map(|participant| {
1134 let initial_project_id = pending_participant.initial_project_id?;
1135 participant
1136 .projects
1137 .iter()
1138 .find(|project| project.id == initial_project_id)
1139 .cloned()
1140 }),
1141 })
1142 }
1143
1144 pub async fn get_room(&self, room_id: RoomId, tx: &DatabaseTransaction) -> Result<proto::Room> {
1145 let (_, room) = self.get_channel_room(room_id, tx).await?;
1146 Ok(room)
1147 }
1148
1149 pub async fn room_connection_ids(
1150 &self,
1151 room_id: RoomId,
1152 connection_id: ConnectionId,
1153 ) -> Result<RoomGuard<HashSet<ConnectionId>>> {
1154 self.room_transaction(room_id, |tx| async move {
1155 let mut participants = room_participant::Entity::find()
1156 .filter(room_participant::Column::RoomId.eq(room_id))
1157 .stream(&*tx)
1158 .await?;
1159
1160 let mut is_participant = false;
1161 let mut connection_ids = HashSet::default();
1162 while let Some(participant) = participants.next().await {
1163 let participant = participant?;
1164 if let Some(answering_connection) = participant.answering_connection() {
1165 if answering_connection == connection_id {
1166 is_participant = true;
1167 } else {
1168 connection_ids.insert(answering_connection);
1169 }
1170 }
1171 }
1172
1173 if !is_participant {
1174 Err(anyhow!("not a room participant"))?;
1175 }
1176
1177 Ok(connection_ids)
1178 })
1179 .await
1180 }
1181
1182 async fn get_channel_room(
1183 &self,
1184 room_id: RoomId,
1185 tx: &DatabaseTransaction,
1186 ) -> Result<(Option<channel::Model>, proto::Room)> {
1187 let db_room = room::Entity::find_by_id(room_id)
1188 .one(tx)
1189 .await?
1190 .ok_or_else(|| anyhow!("could not find room"))?;
1191
1192 let mut db_participants = db_room
1193 .find_related(room_participant::Entity)
1194 .stream(tx)
1195 .await?;
1196 let mut participants = HashMap::default();
1197 let mut pending_participants = Vec::new();
1198 while let Some(db_participant) = db_participants.next().await {
1199 let db_participant = db_participant?;
1200 if let (
1201 Some(answering_connection_id),
1202 Some(answering_connection_server_id),
1203 Some(participant_index),
1204 ) = (
1205 db_participant.answering_connection_id,
1206 db_participant.answering_connection_server_id,
1207 db_participant.participant_index,
1208 ) {
1209 let location = match (
1210 db_participant.location_kind,
1211 db_participant.location_project_id,
1212 ) {
1213 (Some(0), Some(project_id)) => {
1214 Some(proto::participant_location::Variant::SharedProject(
1215 proto::participant_location::SharedProject {
1216 id: project_id.to_proto(),
1217 },
1218 ))
1219 }
1220 (Some(1), _) => Some(proto::participant_location::Variant::UnsharedProject(
1221 Default::default(),
1222 )),
1223 _ => Some(proto::participant_location::Variant::External(
1224 Default::default(),
1225 )),
1226 };
1227
1228 let answering_connection = ConnectionId {
1229 owner_id: answering_connection_server_id.0 as u32,
1230 id: answering_connection_id as u32,
1231 };
1232 participants.insert(
1233 answering_connection,
1234 proto::Participant {
1235 user_id: db_participant.user_id.to_proto(),
1236 peer_id: Some(answering_connection.into()),
1237 projects: Default::default(),
1238 location: Some(proto::ParticipantLocation { variant: location }),
1239 participant_index: participant_index as u32,
1240 role: db_participant.role.unwrap_or(ChannelRole::Member).into(),
1241 },
1242 );
1243 } else {
1244 pending_participants.push(proto::PendingParticipant {
1245 user_id: db_participant.user_id.to_proto(),
1246 calling_user_id: db_participant.calling_user_id.to_proto(),
1247 initial_project_id: db_participant.initial_project_id.map(|id| id.to_proto()),
1248 });
1249 }
1250 }
1251 drop(db_participants);
1252
1253 let mut db_projects = db_room
1254 .find_related(project::Entity)
1255 .find_with_related(worktree::Entity)
1256 .stream(tx)
1257 .await?;
1258
1259 while let Some(row) = db_projects.next().await {
1260 let (db_project, db_worktree) = row?;
1261 let host_connection = db_project.host_connection()?;
1262 if let Some(participant) = participants.get_mut(&host_connection) {
1263 let project = if let Some(project) = participant
1264 .projects
1265 .iter_mut()
1266 .find(|project| project.id == db_project.id.to_proto())
1267 {
1268 project
1269 } else {
1270 participant.projects.push(proto::ParticipantProject {
1271 id: db_project.id.to_proto(),
1272 worktree_root_names: Default::default(),
1273 });
1274 participant.projects.last_mut().unwrap()
1275 };
1276
1277 if let Some(db_worktree) = db_worktree {
1278 if db_worktree.visible {
1279 project.worktree_root_names.push(db_worktree.root_name);
1280 }
1281 }
1282 }
1283 }
1284 drop(db_projects);
1285
1286 let mut db_followers = db_room.find_related(follower::Entity).stream(tx).await?;
1287 let mut followers = Vec::new();
1288 while let Some(db_follower) = db_followers.next().await {
1289 let db_follower = db_follower?;
1290 followers.push(proto::Follower {
1291 leader_id: Some(db_follower.leader_connection().into()),
1292 follower_id: Some(db_follower.follower_connection().into()),
1293 project_id: db_follower.project_id.to_proto(),
1294 });
1295 }
1296 drop(db_followers);
1297
1298 let channel = if let Some(channel_id) = db_room.channel_id {
1299 Some(self.get_channel_internal(channel_id, tx).await?)
1300 } else {
1301 None
1302 };
1303
1304 Ok((
1305 channel,
1306 proto::Room {
1307 id: db_room.id.to_proto(),
1308 live_kit_room: db_room.live_kit_room,
1309 participants: participants.into_values().collect(),
1310 pending_participants,
1311 followers,
1312 },
1313 ))
1314 }
1315}