rooms.rs

   1use anyhow::Context as _;
   2
   3use super::*;
   4
   5impl Database {
   6    /// Clears all room participants in rooms attached to a stale server.
   7    pub async fn clear_stale_room_participants(
   8        &self,
   9        room_id: RoomId,
  10        new_server_id: ServerId,
  11    ) -> Result<TransactionGuard<RefreshedRoom>> {
  12        self.room_transaction(room_id, |tx| async move {
  13            let stale_participant_filter = Condition::all()
  14                .add(room_participant::Column::RoomId.eq(room_id))
  15                .add(room_participant::Column::AnsweringConnectionId.is_not_null())
  16                .add(room_participant::Column::AnsweringConnectionServerId.ne(new_server_id));
  17
  18            let stale_participant_user_ids = room_participant::Entity::find()
  19                .filter(stale_participant_filter.clone())
  20                .all(&*tx)
  21                .await?
  22                .into_iter()
  23                .map(|participant| participant.user_id)
  24                .collect::<Vec<_>>();
  25
  26            // Delete participants who failed to reconnect and cancel their calls.
  27            let mut canceled_calls_to_user_ids = Vec::new();
  28            room_participant::Entity::delete_many()
  29                .filter(stale_participant_filter)
  30                .exec(&*tx)
  31                .await?;
  32            let called_participants = room_participant::Entity::find()
  33                .filter(
  34                    Condition::all()
  35                        .add(
  36                            room_participant::Column::CallingUserId
  37                                .is_in(stale_participant_user_ids.iter().copied()),
  38                        )
  39                        .add(room_participant::Column::AnsweringConnectionId.is_null()),
  40                )
  41                .all(&*tx)
  42                .await?;
  43            room_participant::Entity::delete_many()
  44                .filter(
  45                    room_participant::Column::Id
  46                        .is_in(called_participants.iter().map(|participant| participant.id)),
  47                )
  48                .exec(&*tx)
  49                .await?;
  50            canceled_calls_to_user_ids.extend(
  51                called_participants
  52                    .into_iter()
  53                    .map(|participant| participant.user_id),
  54            );
  55
  56            let (channel, room) = self.get_channel_room(room_id, &tx).await?;
  57            if channel.is_none() {
  58                // Delete the room if it becomes empty.
  59                if room.participants.is_empty() {
  60                    project::Entity::delete_many()
  61                        .filter(project::Column::RoomId.eq(room_id))
  62                        .exec(&*tx)
  63                        .await?;
  64                    room::Entity::delete_by_id(room_id).exec(&*tx).await?;
  65                }
  66            };
  67
  68            Ok(RefreshedRoom {
  69                room,
  70                channel,
  71                stale_participant_user_ids,
  72                canceled_calls_to_user_ids,
  73            })
  74        })
  75        .await
  76    }
  77
  78    /// Returns the incoming calls for user with the given ID.
  79    pub async fn incoming_call_for_user(
  80        &self,
  81        user_id: UserId,
  82    ) -> Result<Option<proto::IncomingCall>> {
  83        self.transaction(|tx| async move {
  84            let pending_participant = room_participant::Entity::find()
  85                .filter(
  86                    room_participant::Column::UserId
  87                        .eq(user_id)
  88                        .and(room_participant::Column::AnsweringConnectionId.is_null()),
  89                )
  90                .one(&*tx)
  91                .await?;
  92
  93            if let Some(pending_participant) = pending_participant {
  94                let room = self.get_room(pending_participant.room_id, &tx).await?;
  95                Ok(Self::build_incoming_call(&room, user_id))
  96            } else {
  97                Ok(None)
  98            }
  99        })
 100        .await
 101    }
 102
 103    /// Creates a new room.
 104    pub async fn create_room(
 105        &self,
 106        user_id: UserId,
 107        connection: ConnectionId,
 108        livekit_room: &str,
 109    ) -> Result<proto::Room> {
 110        self.transaction(|tx| async move {
 111            let room = room::ActiveModel {
 112                live_kit_room: ActiveValue::set(livekit_room.into()),
 113                ..Default::default()
 114            }
 115            .insert(&*tx)
 116            .await?;
 117            room_participant::ActiveModel {
 118                room_id: ActiveValue::set(room.id),
 119                user_id: ActiveValue::set(user_id),
 120                answering_connection_id: ActiveValue::set(Some(connection.id as i32)),
 121                answering_connection_server_id: ActiveValue::set(Some(ServerId(
 122                    connection.owner_id as i32,
 123                ))),
 124                answering_connection_lost: ActiveValue::set(false),
 125                calling_user_id: ActiveValue::set(user_id),
 126                calling_connection_id: ActiveValue::set(connection.id as i32),
 127                calling_connection_server_id: ActiveValue::set(Some(ServerId(
 128                    connection.owner_id as i32,
 129                ))),
 130                participant_index: ActiveValue::set(Some(0)),
 131                role: ActiveValue::set(Some(ChannelRole::Admin)),
 132
 133                id: ActiveValue::NotSet,
 134                location_kind: ActiveValue::NotSet,
 135                location_project_id: ActiveValue::NotSet,
 136                initial_project_id: ActiveValue::NotSet,
 137            }
 138            .insert(&*tx)
 139            .await?;
 140
 141            let room = self.get_room(room.id, &tx).await?;
 142            Ok(room)
 143        })
 144        .await
 145    }
 146
 147    pub async fn call(
 148        &self,
 149        room_id: RoomId,
 150        calling_user_id: UserId,
 151        calling_connection: ConnectionId,
 152        called_user_id: UserId,
 153        initial_project_id: Option<ProjectId>,
 154    ) -> Result<TransactionGuard<(proto::Room, proto::IncomingCall)>> {
 155        self.room_transaction(room_id, |tx| async move {
 156            let caller = room_participant::Entity::find()
 157                .filter(
 158                    room_participant::Column::UserId
 159                        .eq(calling_user_id)
 160                        .and(room_participant::Column::RoomId.eq(room_id)),
 161                )
 162                .one(&*tx)
 163                .await?
 164                .context("user is not in the room")?;
 165
 166            let called_user_role = match caller.role.unwrap_or(ChannelRole::Member) {
 167                ChannelRole::Admin | ChannelRole::Member => ChannelRole::Member,
 168                ChannelRole::Guest | ChannelRole::Talker => ChannelRole::Guest,
 169                ChannelRole::Banned => return Err(anyhow!("banned users cannot invite").into()),
 170            };
 171
 172            room_participant::ActiveModel {
 173                room_id: ActiveValue::set(room_id),
 174                user_id: ActiveValue::set(called_user_id),
 175                answering_connection_lost: ActiveValue::set(false),
 176                participant_index: ActiveValue::NotSet,
 177                calling_user_id: ActiveValue::set(calling_user_id),
 178                calling_connection_id: ActiveValue::set(calling_connection.id as i32),
 179                calling_connection_server_id: ActiveValue::set(Some(ServerId(
 180                    calling_connection.owner_id as i32,
 181                ))),
 182                initial_project_id: ActiveValue::set(initial_project_id),
 183                role: ActiveValue::set(Some(called_user_role)),
 184
 185                id: ActiveValue::NotSet,
 186                answering_connection_id: ActiveValue::NotSet,
 187                answering_connection_server_id: ActiveValue::NotSet,
 188                location_kind: ActiveValue::NotSet,
 189                location_project_id: ActiveValue::NotSet,
 190            }
 191            .insert(&*tx)
 192            .await?;
 193
 194            let room = self.get_room(room_id, &tx).await?;
 195            let incoming_call = Self::build_incoming_call(&room, called_user_id)
 196                .context("failed to build incoming call")?;
 197            Ok((room, incoming_call))
 198        })
 199        .await
 200    }
 201
 202    pub async fn call_failed(
 203        &self,
 204        room_id: RoomId,
 205        called_user_id: UserId,
 206    ) -> Result<TransactionGuard<proto::Room>> {
 207        self.room_transaction(room_id, |tx| async move {
 208            room_participant::Entity::delete_many()
 209                .filter(
 210                    room_participant::Column::RoomId
 211                        .eq(room_id)
 212                        .and(room_participant::Column::UserId.eq(called_user_id)),
 213                )
 214                .exec(&*tx)
 215                .await?;
 216            let room = self.get_room(room_id, &tx).await?;
 217            Ok(room)
 218        })
 219        .await
 220    }
 221
 222    pub async fn decline_call(
 223        &self,
 224        expected_room_id: Option<RoomId>,
 225        user_id: UserId,
 226    ) -> Result<Option<TransactionGuard<proto::Room>>> {
 227        self.optional_room_transaction(|tx| async move {
 228            let mut filter = Condition::all()
 229                .add(room_participant::Column::UserId.eq(user_id))
 230                .add(room_participant::Column::AnsweringConnectionId.is_null());
 231            if let Some(room_id) = expected_room_id {
 232                filter = filter.add(room_participant::Column::RoomId.eq(room_id));
 233            }
 234            let participant = room_participant::Entity::find()
 235                .filter(filter)
 236                .one(&*tx)
 237                .await?;
 238
 239            let participant = if let Some(participant) = participant {
 240                participant
 241            } else if expected_room_id.is_some() {
 242                return Err(anyhow!("could not find call to decline"))?;
 243            } else {
 244                return Ok(None);
 245            };
 246
 247            let room_id = participant.room_id;
 248            room_participant::Entity::delete(participant.into_active_model())
 249                .exec(&*tx)
 250                .await?;
 251
 252            let room = self.get_room(room_id, &tx).await?;
 253            Ok(Some((room_id, room)))
 254        })
 255        .await
 256    }
 257
 258    pub async fn cancel_call(
 259        &self,
 260        room_id: RoomId,
 261        calling_connection: ConnectionId,
 262        called_user_id: UserId,
 263    ) -> Result<TransactionGuard<proto::Room>> {
 264        self.room_transaction(room_id, |tx| async move {
 265            let participant = room_participant::Entity::find()
 266                .filter(
 267                    Condition::all()
 268                        .add(room_participant::Column::UserId.eq(called_user_id))
 269                        .add(room_participant::Column::RoomId.eq(room_id))
 270                        .add(
 271                            room_participant::Column::CallingConnectionId
 272                                .eq(calling_connection.id as i32),
 273                        )
 274                        .add(
 275                            room_participant::Column::CallingConnectionServerId
 276                                .eq(calling_connection.owner_id as i32),
 277                        )
 278                        .add(room_participant::Column::AnsweringConnectionId.is_null()),
 279                )
 280                .one(&*tx)
 281                .await?
 282                .context("no call to cancel")?;
 283
 284            room_participant::Entity::delete(participant.into_active_model())
 285                .exec(&*tx)
 286                .await?;
 287
 288            let room = self.get_room(room_id, &tx).await?;
 289            Ok(room)
 290        })
 291        .await
 292    }
 293
 294    pub async fn join_room(
 295        &self,
 296        room_id: RoomId,
 297        user_id: UserId,
 298        connection: ConnectionId,
 299    ) -> Result<TransactionGuard<JoinRoom>> {
 300        self.room_transaction(room_id, |tx| async move {
 301            #[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
 302            enum QueryChannelId {
 303                ChannelId,
 304            }
 305
 306            let channel_id: Option<ChannelId> = room::Entity::find()
 307                .select_only()
 308                .column(room::Column::ChannelId)
 309                .filter(room::Column::Id.eq(room_id))
 310                .into_values::<_, QueryChannelId>()
 311                .one(&*tx)
 312                .await?
 313                .context("no such room")?;
 314
 315            if channel_id.is_some() {
 316                Err(anyhow!("tried to join channel call directly"))?
 317            }
 318
 319            let participant_index = self
 320                .get_next_participant_index_internal(room_id, &tx)
 321                .await?;
 322
 323            let result = room_participant::Entity::update_many()
 324                .filter(
 325                    Condition::all()
 326                        .add(room_participant::Column::RoomId.eq(room_id))
 327                        .add(room_participant::Column::UserId.eq(user_id))
 328                        .add(room_participant::Column::AnsweringConnectionId.is_null()),
 329                )
 330                .set(room_participant::ActiveModel {
 331                    participant_index: ActiveValue::Set(Some(participant_index)),
 332                    answering_connection_id: ActiveValue::set(Some(connection.id as i32)),
 333                    answering_connection_server_id: ActiveValue::set(Some(ServerId(
 334                        connection.owner_id as i32,
 335                    ))),
 336                    answering_connection_lost: ActiveValue::set(false),
 337                    ..Default::default()
 338                })
 339                .exec(&*tx)
 340                .await?;
 341            if result.rows_affected == 0 {
 342                Err(anyhow!("room does not exist or was already joined"))?;
 343            }
 344
 345            let room = self.get_room(room_id, &tx).await?;
 346            Ok(JoinRoom {
 347                room,
 348                channel: None,
 349            })
 350        })
 351        .await
 352    }
 353
 354    pub async fn stale_room_connection(&self, user_id: UserId) -> Result<Option<ConnectionId>> {
 355        self.transaction(|tx| async move {
 356            let participant = room_participant::Entity::find()
 357                .filter(room_participant::Column::UserId.eq(user_id))
 358                .one(&*tx)
 359                .await?;
 360            Ok(participant.and_then(|p| p.answering_connection()))
 361        })
 362        .await
 363    }
 364
 365    async fn get_next_participant_index_internal(
 366        &self,
 367        room_id: RoomId,
 368        tx: &DatabaseTransaction,
 369    ) -> Result<i32> {
 370        #[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
 371        enum QueryParticipantIndices {
 372            ParticipantIndex,
 373        }
 374        let existing_participant_indices: Vec<i32> = room_participant::Entity::find()
 375            .filter(
 376                room_participant::Column::RoomId
 377                    .eq(room_id)
 378                    .and(room_participant::Column::ParticipantIndex.is_not_null()),
 379            )
 380            .select_only()
 381            .column(room_participant::Column::ParticipantIndex)
 382            .into_values::<_, QueryParticipantIndices>()
 383            .all(tx)
 384            .await?;
 385
 386        let mut participant_index = 0;
 387        while existing_participant_indices.contains(&participant_index) {
 388            participant_index += 1;
 389        }
 390
 391        Ok(participant_index)
 392    }
 393
 394    /// Returns the channel ID for the given room, if it has one.
 395    pub async fn channel_id_for_room(&self, room_id: RoomId) -> Result<Option<ChannelId>> {
 396        self.transaction(|tx| async move {
 397            let room: Option<room::Model> = room::Entity::find()
 398                .filter(room::Column::Id.eq(room_id))
 399                .one(&*tx)
 400                .await?;
 401
 402            Ok(room.and_then(|room| room.channel_id))
 403        })
 404        .await
 405    }
 406
 407    pub(crate) async fn join_channel_room_internal(
 408        &self,
 409        room_id: RoomId,
 410        user_id: UserId,
 411        connection: ConnectionId,
 412        role: ChannelRole,
 413        tx: &DatabaseTransaction,
 414    ) -> Result<JoinRoom> {
 415        let participant_index = self
 416            .get_next_participant_index_internal(room_id, tx)
 417            .await?;
 418
 419        // If someone has been invited into the room, accept the invite instead of inserting
 420        let result = room_participant::Entity::update_many()
 421            .filter(
 422                Condition::all()
 423                    .add(room_participant::Column::RoomId.eq(room_id))
 424                    .add(room_participant::Column::UserId.eq(user_id))
 425                    .add(room_participant::Column::AnsweringConnectionId.is_null()),
 426            )
 427            .set(room_participant::ActiveModel {
 428                participant_index: ActiveValue::Set(Some(participant_index)),
 429                answering_connection_id: ActiveValue::set(Some(connection.id as i32)),
 430                answering_connection_server_id: ActiveValue::set(Some(ServerId(
 431                    connection.owner_id as i32,
 432                ))),
 433                answering_connection_lost: ActiveValue::set(false),
 434                ..Default::default()
 435            })
 436            .exec(tx)
 437            .await?;
 438
 439        if result.rows_affected == 0 {
 440            room_participant::Entity::insert(room_participant::ActiveModel {
 441                room_id: ActiveValue::set(room_id),
 442                user_id: ActiveValue::set(user_id),
 443                answering_connection_id: ActiveValue::set(Some(connection.id as i32)),
 444                answering_connection_server_id: ActiveValue::set(Some(ServerId(
 445                    connection.owner_id as i32,
 446                ))),
 447                answering_connection_lost: ActiveValue::set(false),
 448                calling_user_id: ActiveValue::set(user_id),
 449                calling_connection_id: ActiveValue::set(connection.id as i32),
 450                calling_connection_server_id: ActiveValue::set(Some(ServerId(
 451                    connection.owner_id as i32,
 452                ))),
 453                participant_index: ActiveValue::Set(Some(participant_index)),
 454                role: ActiveValue::set(Some(role)),
 455                id: ActiveValue::NotSet,
 456                location_kind: ActiveValue::NotSet,
 457                location_project_id: ActiveValue::NotSet,
 458                initial_project_id: ActiveValue::NotSet,
 459            })
 460            .exec(tx)
 461            .await?;
 462        }
 463
 464        let (channel, room) = self.get_channel_room(room_id, tx).await?;
 465        let channel = channel.context("no channel for room")?;
 466        Ok(JoinRoom {
 467            room,
 468            channel: Some(channel),
 469        })
 470    }
 471
 472    pub async fn rejoin_room(
 473        &self,
 474        rejoin_room: proto::RejoinRoom,
 475        user_id: UserId,
 476        connection: ConnectionId,
 477    ) -> Result<TransactionGuard<RejoinedRoom>> {
 478        let room_id = RoomId::from_proto(rejoin_room.id);
 479        self.room_transaction(room_id, |tx| async {
 480            let tx = tx;
 481            let participant_update = room_participant::Entity::update_many()
 482                .filter(
 483                    Condition::all()
 484                        .add(room_participant::Column::RoomId.eq(room_id))
 485                        .add(room_participant::Column::UserId.eq(user_id))
 486                        .add(room_participant::Column::AnsweringConnectionId.is_not_null()),
 487                )
 488                .set(room_participant::ActiveModel {
 489                    answering_connection_id: ActiveValue::set(Some(connection.id as i32)),
 490                    answering_connection_server_id: ActiveValue::set(Some(ServerId(
 491                        connection.owner_id as i32,
 492                    ))),
 493                    answering_connection_lost: ActiveValue::set(false),
 494                    ..Default::default()
 495                })
 496                .exec(&*tx)
 497                .await?;
 498            if participant_update.rows_affected == 0 {
 499                return Err(anyhow!("room does not exist or was already joined"))?;
 500            }
 501
 502            let mut reshared_projects = Vec::new();
 503            for reshared_project in &rejoin_room.reshared_projects {
 504                let project_id = ProjectId::from_proto(reshared_project.project_id);
 505                let project = project::Entity::find_by_id(project_id)
 506                    .one(&*tx)
 507                    .await?
 508                    .context("project does not exist")?;
 509                if project.host_user_id != Some(user_id) {
 510                    return Err(anyhow!("no such project"))?;
 511                }
 512
 513                let mut collaborators = project
 514                    .find_related(project_collaborator::Entity)
 515                    .all(&*tx)
 516                    .await?;
 517                let host_ix = collaborators
 518                    .iter()
 519                    .position(|collaborator| {
 520                        collaborator.user_id == user_id && collaborator.is_host
 521                    })
 522                    .context("host not found among collaborators")?;
 523                let host = collaborators.swap_remove(host_ix);
 524                let old_connection_id = host.connection();
 525
 526                project::Entity::update(project::ActiveModel {
 527                    host_connection_id: ActiveValue::set(Some(connection.id as i32)),
 528                    host_connection_server_id: ActiveValue::set(Some(ServerId(
 529                        connection.owner_id as i32,
 530                    ))),
 531                    ..project.into_active_model()
 532                })
 533                .exec(&*tx)
 534                .await?;
 535                project_collaborator::Entity::update(project_collaborator::ActiveModel {
 536                    connection_id: ActiveValue::set(connection.id as i32),
 537                    connection_server_id: ActiveValue::set(ServerId(connection.owner_id as i32)),
 538                    ..host.into_active_model()
 539                })
 540                .exec(&*tx)
 541                .await?;
 542
 543                self.update_project_worktrees(project_id, &reshared_project.worktrees, &tx)
 544                    .await?;
 545
 546                reshared_projects.push(ResharedProject {
 547                    id: project_id,
 548                    old_connection_id,
 549                    collaborators: collaborators
 550                        .iter()
 551                        .map(|collaborator| ProjectCollaborator {
 552                            connection_id: collaborator.connection(),
 553                            user_id: collaborator.user_id,
 554                            replica_id: collaborator.replica_id,
 555                            is_host: collaborator.is_host,
 556                            committer_name: collaborator.committer_name.clone(),
 557                            committer_email: collaborator.committer_email.clone(),
 558                        })
 559                        .collect(),
 560                    worktrees: reshared_project.worktrees.clone(),
 561                });
 562            }
 563
 564            project::Entity::delete_many()
 565                .filter(
 566                    Condition::all()
 567                        .add(project::Column::RoomId.eq(room_id))
 568                        .add(project::Column::HostUserId.eq(user_id))
 569                        .add(
 570                            project::Column::Id
 571                                .is_not_in(reshared_projects.iter().map(|project| project.id)),
 572                        ),
 573                )
 574                .exec(&*tx)
 575                .await?;
 576
 577            let mut rejoined_projects = Vec::new();
 578            for rejoined_project in &rejoin_room.rejoined_projects {
 579                if let Some(rejoined_project) = self
 580                    .rejoin_project_internal(&tx, rejoined_project, user_id, connection)
 581                    .await?
 582                {
 583                    rejoined_projects.push(rejoined_project);
 584                }
 585            }
 586
 587            let (channel, room) = self.get_channel_room(room_id, &tx).await?;
 588
 589            Ok(RejoinedRoom {
 590                room,
 591                channel,
 592                rejoined_projects,
 593                reshared_projects,
 594            })
 595        })
 596        .await
 597    }
 598
 599    pub async fn rejoin_project_internal(
 600        &self,
 601        tx: &DatabaseTransaction,
 602        rejoined_project: &proto::RejoinProject,
 603        user_id: UserId,
 604        connection: ConnectionId,
 605    ) -> Result<Option<RejoinedProject>> {
 606        let project_id = ProjectId::from_proto(rejoined_project.id);
 607        let Some(project) = project::Entity::find_by_id(project_id).one(tx).await? else {
 608            return Ok(None);
 609        };
 610
 611        let mut worktrees = Vec::new();
 612        let db_worktrees = project.find_related(worktree::Entity).all(tx).await?;
 613        let db_repos = project
 614            .find_related(project_repository::Entity)
 615            .all(tx)
 616            .await?;
 617
 618        for db_worktree in db_worktrees {
 619            let mut worktree = RejoinedWorktree {
 620                id: db_worktree.id as u64,
 621                abs_path: db_worktree.abs_path,
 622                root_name: db_worktree.root_name,
 623                visible: db_worktree.visible,
 624                updated_entries: Default::default(),
 625                removed_entries: Default::default(),
 626                updated_repositories: Default::default(),
 627                removed_repositories: Default::default(),
 628                diagnostic_summaries: Default::default(),
 629                settings_files: Default::default(),
 630                scan_id: db_worktree.scan_id as u64,
 631                completed_scan_id: db_worktree.completed_scan_id as u64,
 632            };
 633
 634            let rejoined_worktree = rejoined_project
 635                .worktrees
 636                .iter()
 637                .find(|worktree| worktree.id == db_worktree.id as u64);
 638
 639            // File entries
 640            {
 641                let entry_filter = if let Some(rejoined_worktree) = rejoined_worktree {
 642                    worktree_entry::Column::ScanId.gt(rejoined_worktree.scan_id)
 643                } else {
 644                    worktree_entry::Column::IsDeleted.eq(false)
 645                };
 646
 647                let mut db_entries = worktree_entry::Entity::find()
 648                    .filter(
 649                        Condition::all()
 650                            .add(worktree_entry::Column::ProjectId.eq(project.id))
 651                            .add(worktree_entry::Column::WorktreeId.eq(worktree.id))
 652                            .add(entry_filter),
 653                    )
 654                    .stream(tx)
 655                    .await?;
 656
 657                while let Some(db_entry) = db_entries.next().await {
 658                    let db_entry = db_entry?;
 659                    if db_entry.is_deleted {
 660                        worktree.removed_entries.push(db_entry.id as u64);
 661                    } else {
 662                        worktree.updated_entries.push(proto::Entry {
 663                            id: db_entry.id as u64,
 664                            is_dir: db_entry.is_dir,
 665                            path: db_entry.path,
 666                            inode: db_entry.inode as u64,
 667                            mtime: Some(proto::Timestamp {
 668                                seconds: db_entry.mtime_seconds as u64,
 669                                nanos: db_entry.mtime_nanos as u32,
 670                            }),
 671                            canonical_path: db_entry.canonical_path,
 672                            is_ignored: db_entry.is_ignored,
 673                            is_external: db_entry.is_external,
 674                            // This is only used in the summarization backlog, so if it's None,
 675                            // that just means we won't be able to detect when to resummarize
 676                            // based on total number of backlogged bytes - instead, we'd go
 677                            // on number of files only. That shouldn't be a huge deal in practice.
 678                            size: None,
 679                            is_fifo: db_entry.is_fifo,
 680                        });
 681                    }
 682                }
 683            }
 684
 685            worktrees.push(worktree);
 686        }
 687
 688        let mut removed_repositories = Vec::new();
 689        let mut updated_repositories = Vec::new();
 690        for db_repo in db_repos {
 691            let rejoined_repository = rejoined_project
 692                .repositories
 693                .iter()
 694                .find(|repo| repo.id == db_repo.id as u64);
 695
 696            let repository_filter = if let Some(rejoined_repository) = rejoined_repository {
 697                project_repository::Column::ScanId.gt(rejoined_repository.scan_id)
 698            } else {
 699                project_repository::Column::IsDeleted.eq(false)
 700            };
 701
 702            let db_repositories = project_repository::Entity::find()
 703                .filter(
 704                    Condition::all()
 705                        .add(project_repository::Column::ProjectId.eq(project.id))
 706                        .add(repository_filter),
 707                )
 708                .all(tx)
 709                .await?;
 710
 711            for db_repository in db_repositories.into_iter() {
 712                if db_repository.is_deleted {
 713                    removed_repositories.push(db_repository.id as u64);
 714                } else {
 715                    let status_entry_filter = if let Some(rejoined_repository) = rejoined_repository
 716                    {
 717                        project_repository_statuses::Column::ScanId.gt(rejoined_repository.scan_id)
 718                    } else {
 719                        project_repository_statuses::Column::IsDeleted.eq(false)
 720                    };
 721
 722                    let mut db_statuses = project_repository_statuses::Entity::find()
 723                        .filter(
 724                            Condition::all()
 725                                .add(project_repository_statuses::Column::ProjectId.eq(project.id))
 726                                .add(
 727                                    project_repository_statuses::Column::RepositoryId
 728                                        .eq(db_repository.id),
 729                                )
 730                                .add(status_entry_filter),
 731                        )
 732                        .stream(tx)
 733                        .await?;
 734                    let mut removed_statuses = Vec::new();
 735                    let mut updated_statuses = Vec::new();
 736
 737                    while let Some(db_status) = db_statuses.next().await {
 738                        let db_status: project_repository_statuses::Model = db_status?;
 739                        if db_status.is_deleted {
 740                            removed_statuses.push(db_status.repo_path);
 741                        } else {
 742                            updated_statuses.push(db_status_to_proto(db_status)?);
 743                        }
 744                    }
 745
 746                    let current_merge_conflicts = db_repository
 747                        .current_merge_conflicts
 748                        .as_ref()
 749                        .map(|conflicts| serde_json::from_str(conflicts))
 750                        .transpose()?
 751                        .unwrap_or_default();
 752
 753                    let branch_summary = db_repository
 754                        .branch_summary
 755                        .as_ref()
 756                        .map(|branch_summary| serde_json::from_str(branch_summary))
 757                        .transpose()?
 758                        .unwrap_or_default();
 759
 760                    let head_commit_details = db_repository
 761                        .head_commit_details
 762                        .as_ref()
 763                        .map(|head_commit_details| serde_json::from_str(head_commit_details))
 764                        .transpose()?
 765                        .unwrap_or_default();
 766
 767                    let entry_ids = serde_json::from_str(&db_repository.entry_ids)
 768                        .context("failed to deserialize repository's entry ids")?;
 769
 770                    if let Some(legacy_worktree_id) = db_repository.legacy_worktree_id {
 771                        if let Some(worktree) = worktrees
 772                            .iter_mut()
 773                            .find(|worktree| worktree.id as i64 == legacy_worktree_id)
 774                        {
 775                            worktree.updated_repositories.push(proto::RepositoryEntry {
 776                                repository_id: db_repository.id as u64,
 777                                updated_statuses,
 778                                removed_statuses,
 779                                current_merge_conflicts,
 780                                branch_summary,
 781                            });
 782                        }
 783                    } else {
 784                        updated_repositories.push(proto::UpdateRepository {
 785                            entry_ids,
 786                            updated_statuses,
 787                            removed_statuses,
 788                            current_merge_conflicts,
 789                            branch_summary,
 790                            head_commit_details,
 791                            project_id: project_id.to_proto(),
 792                            id: db_repository.id as u64,
 793                            abs_path: db_repository.abs_path,
 794                            scan_id: db_repository.scan_id as u64,
 795                            is_last_update: true,
 796                            merge_message: db_repository.merge_message,
 797                            stash_entries: Vec::new(),
 798                        });
 799                    }
 800                }
 801            }
 802        }
 803
 804        let language_servers = project
 805            .find_related(language_server::Entity)
 806            .all(tx)
 807            .await?
 808            .into_iter()
 809            .map(|language_server| LanguageServer {
 810                server: proto::LanguageServer {
 811                    id: language_server.id as u64,
 812                    name: language_server.name,
 813                    worktree_id: language_server.worktree_id.map(|id| id as u64),
 814                },
 815                capabilities: language_server.capabilities,
 816            })
 817            .collect::<Vec<_>>();
 818
 819        {
 820            let mut db_settings_files = worktree_settings_file::Entity::find()
 821                .filter(worktree_settings_file::Column::ProjectId.eq(project_id))
 822                .stream(tx)
 823                .await?;
 824            while let Some(db_settings_file) = db_settings_files.next().await {
 825                let db_settings_file = db_settings_file?;
 826                if let Some(worktree) = worktrees
 827                    .iter_mut()
 828                    .find(|w| w.id == db_settings_file.worktree_id as u64)
 829                {
 830                    worktree.settings_files.push(WorktreeSettingsFile {
 831                        path: db_settings_file.path,
 832                        content: db_settings_file.content,
 833                        kind: db_settings_file.kind,
 834                    });
 835                }
 836            }
 837        }
 838
 839        let mut collaborators = project
 840            .find_related(project_collaborator::Entity)
 841            .all(tx)
 842            .await?;
 843        let self_collaborator = if let Some(self_collaborator_ix) = collaborators
 844            .iter()
 845            .position(|collaborator| collaborator.user_id == user_id)
 846        {
 847            collaborators.swap_remove(self_collaborator_ix)
 848        } else {
 849            return Ok(None);
 850        };
 851        let old_connection_id = self_collaborator.connection();
 852        project_collaborator::Entity::update(project_collaborator::ActiveModel {
 853            connection_id: ActiveValue::set(connection.id as i32),
 854            connection_server_id: ActiveValue::set(ServerId(connection.owner_id as i32)),
 855            ..self_collaborator.into_active_model()
 856        })
 857        .exec(tx)
 858        .await?;
 859
 860        let collaborators = collaborators
 861            .into_iter()
 862            .map(|collaborator| ProjectCollaborator {
 863                connection_id: collaborator.connection(),
 864                user_id: collaborator.user_id,
 865                replica_id: collaborator.replica_id,
 866                is_host: collaborator.is_host,
 867                committer_name: collaborator.committer_name,
 868                committer_email: collaborator.committer_email,
 869            })
 870            .collect::<Vec<_>>();
 871
 872        Ok(Some(RejoinedProject {
 873            id: project_id,
 874            old_connection_id,
 875            collaborators,
 876            updated_repositories,
 877            removed_repositories,
 878            worktrees,
 879            language_servers,
 880        }))
 881    }
 882
 883    pub async fn leave_room(
 884        &self,
 885        connection: ConnectionId,
 886    ) -> Result<Option<TransactionGuard<LeftRoom>>> {
 887        self.optional_room_transaction(|tx| async move {
 888            let leaving_participant = room_participant::Entity::find()
 889                .filter(
 890                    Condition::all()
 891                        .add(
 892                            room_participant::Column::AnsweringConnectionId
 893                                .eq(connection.id as i32),
 894                        )
 895                        .add(
 896                            room_participant::Column::AnsweringConnectionServerId
 897                                .eq(connection.owner_id as i32),
 898                        ),
 899                )
 900                .one(&*tx)
 901                .await?;
 902
 903            if let Some(leaving_participant) = leaving_participant {
 904                // Leave room.
 905                let room_id = leaving_participant.room_id;
 906                room_participant::Entity::delete_by_id(leaving_participant.id)
 907                    .exec(&*tx)
 908                    .await?;
 909
 910                // Cancel pending calls initiated by the leaving user.
 911                let called_participants = room_participant::Entity::find()
 912                    .filter(
 913                        Condition::all()
 914                            .add(
 915                                room_participant::Column::CallingUserId
 916                                    .eq(leaving_participant.user_id),
 917                            )
 918                            .add(room_participant::Column::AnsweringConnectionId.is_null()),
 919                    )
 920                    .all(&*tx)
 921                    .await?;
 922                room_participant::Entity::delete_many()
 923                    .filter(
 924                        room_participant::Column::Id
 925                            .is_in(called_participants.iter().map(|participant| participant.id)),
 926                    )
 927                    .exec(&*tx)
 928                    .await?;
 929                let canceled_calls_to_user_ids = called_participants
 930                    .into_iter()
 931                    .map(|participant| participant.user_id)
 932                    .collect();
 933
 934                // Detect left projects.
 935                #[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
 936                enum QueryProjectIds {
 937                    ProjectId,
 938                }
 939                let project_ids: Vec<ProjectId> = project_collaborator::Entity::find()
 940                    .select_only()
 941                    .column_as(
 942                        project_collaborator::Column::ProjectId,
 943                        QueryProjectIds::ProjectId,
 944                    )
 945                    .filter(
 946                        Condition::all()
 947                            .add(
 948                                project_collaborator::Column::ConnectionId.eq(connection.id as i32),
 949                            )
 950                            .add(
 951                                project_collaborator::Column::ConnectionServerId
 952                                    .eq(connection.owner_id as i32),
 953                            ),
 954                    )
 955                    .into_values::<_, QueryProjectIds>()
 956                    .all(&*tx)
 957                    .await?;
 958
 959                let mut left_projects = HashMap::default();
 960                let mut collaborators = project_collaborator::Entity::find()
 961                    .filter(project_collaborator::Column::ProjectId.is_in(project_ids))
 962                    .stream(&*tx)
 963                    .await?;
 964
 965                while let Some(collaborator) = collaborators.next().await {
 966                    let collaborator = collaborator?;
 967                    let left_project =
 968                        left_projects
 969                            .entry(collaborator.project_id)
 970                            .or_insert(LeftProject {
 971                                id: collaborator.project_id,
 972                                connection_ids: Default::default(),
 973                                should_unshare: false,
 974                            });
 975
 976                    let collaborator_connection_id = collaborator.connection();
 977                    if collaborator_connection_id != connection {
 978                        left_project.connection_ids.push(collaborator_connection_id);
 979                    }
 980
 981                    if collaborator.is_host && collaborator.connection() == connection {
 982                        left_project.should_unshare = true;
 983                    }
 984                }
 985                drop(collaborators);
 986
 987                // Leave projects.
 988                project_collaborator::Entity::delete_many()
 989                    .filter(
 990                        Condition::all()
 991                            .add(
 992                                project_collaborator::Column::ConnectionId.eq(connection.id as i32),
 993                            )
 994                            .add(
 995                                project_collaborator::Column::ConnectionServerId
 996                                    .eq(connection.owner_id as i32),
 997                            ),
 998                    )
 999                    .exec(&*tx)
1000                    .await?;
1001
1002                follower::Entity::delete_many()
1003                    .filter(
1004                        Condition::all()
1005                            .add(follower::Column::FollowerConnectionId.eq(connection.id as i32)),
1006                    )
1007                    .exec(&*tx)
1008                    .await?;
1009
1010                // Unshare projects.
1011                project::Entity::delete_many()
1012                    .filter(
1013                        Condition::all()
1014                            .add(project::Column::RoomId.eq(room_id))
1015                            .add(project::Column::HostConnectionId.eq(connection.id as i32))
1016                            .add(
1017                                project::Column::HostConnectionServerId
1018                                    .eq(connection.owner_id as i32),
1019                            ),
1020                    )
1021                    .exec(&*tx)
1022                    .await?;
1023
1024                let (channel, room) = self.get_channel_room(room_id, &tx).await?;
1025                let deleted = if room.participants.is_empty() {
1026                    let result = room::Entity::delete_by_id(room_id).exec(&*tx).await?;
1027                    result.rows_affected > 0
1028                } else {
1029                    false
1030                };
1031
1032                let left_room = LeftRoom {
1033                    room,
1034                    channel,
1035                    left_projects,
1036                    canceled_calls_to_user_ids,
1037                    deleted,
1038                };
1039
1040                if left_room.room.participants.is_empty() {
1041                    self.rooms.remove(&room_id);
1042                }
1043
1044                Ok(Some((room_id, left_room)))
1045            } else {
1046                Ok(None)
1047            }
1048        })
1049        .await
1050    }
1051
1052    /// Updates the location of a participant in the given room.
1053    pub async fn update_room_participant_location(
1054        &self,
1055        room_id: RoomId,
1056        connection: ConnectionId,
1057        location: proto::ParticipantLocation,
1058    ) -> Result<TransactionGuard<proto::Room>> {
1059        self.room_transaction(room_id, |tx| async {
1060            let tx = tx;
1061            let location_kind;
1062            let location_project_id;
1063            match location.variant.as_ref().context("invalid location")? {
1064                proto::participant_location::Variant::SharedProject(project) => {
1065                    location_kind = 0;
1066                    location_project_id = Some(ProjectId::from_proto(project.id));
1067                }
1068                proto::participant_location::Variant::UnsharedProject(_) => {
1069                    location_kind = 1;
1070                    location_project_id = None;
1071                }
1072                proto::participant_location::Variant::External(_) => {
1073                    location_kind = 2;
1074                    location_project_id = None;
1075                }
1076            }
1077
1078            let result = room_participant::Entity::update_many()
1079                .filter(
1080                    Condition::all()
1081                        .add(room_participant::Column::RoomId.eq(room_id))
1082                        .add(
1083                            room_participant::Column::AnsweringConnectionId
1084                                .eq(connection.id as i32),
1085                        )
1086                        .add(
1087                            room_participant::Column::AnsweringConnectionServerId
1088                                .eq(connection.owner_id as i32),
1089                        ),
1090                )
1091                .set(room_participant::ActiveModel {
1092                    location_kind: ActiveValue::set(Some(location_kind)),
1093                    location_project_id: ActiveValue::set(location_project_id),
1094                    ..Default::default()
1095                })
1096                .exec(&*tx)
1097                .await?;
1098
1099            if result.rows_affected == 1 {
1100                let room = self.get_room(room_id, &tx).await?;
1101                Ok(room)
1102            } else {
1103                Err(anyhow!("could not update room participant location"))?
1104            }
1105        })
1106        .await
1107    }
1108
1109    /// Sets the role of a participant in the given room.
1110    pub async fn set_room_participant_role(
1111        &self,
1112        admin_id: UserId,
1113        room_id: RoomId,
1114        user_id: UserId,
1115        role: ChannelRole,
1116    ) -> Result<TransactionGuard<proto::Room>> {
1117        self.room_transaction(room_id, |tx| async move {
1118            room_participant::Entity::find()
1119                .filter(
1120                    Condition::all()
1121                        .add(room_participant::Column::RoomId.eq(room_id))
1122                        .add(room_participant::Column::UserId.eq(admin_id))
1123                        .add(room_participant::Column::Role.eq(ChannelRole::Admin)),
1124                )
1125                .one(&*tx)
1126                .await?
1127                .context("only admins can set participant role")?;
1128
1129            if role.requires_cla() {
1130                self.check_user_has_signed_cla(user_id, room_id, &tx)
1131                    .await?;
1132            }
1133
1134            let result = room_participant::Entity::update_many()
1135                .filter(
1136                    Condition::all()
1137                        .add(room_participant::Column::RoomId.eq(room_id))
1138                        .add(room_participant::Column::UserId.eq(user_id)),
1139                )
1140                .set(room_participant::ActiveModel {
1141                    role: ActiveValue::set(Some(role)),
1142                    ..Default::default()
1143                })
1144                .exec(&*tx)
1145                .await?;
1146
1147            if result.rows_affected != 1 {
1148                Err(anyhow!("could not update room participant role"))?;
1149            }
1150            self.get_room(room_id, &tx).await
1151        })
1152        .await
1153    }
1154
1155    async fn check_user_has_signed_cla(
1156        &self,
1157        user_id: UserId,
1158        room_id: RoomId,
1159        tx: &DatabaseTransaction,
1160    ) -> Result<()> {
1161        let channel = room::Entity::find_by_id(room_id)
1162            .one(tx)
1163            .await?
1164            .context("could not find room")?
1165            .find_related(channel::Entity)
1166            .one(tx)
1167            .await?;
1168
1169        if let Some(channel) = channel {
1170            let requires_zed_cla = channel.requires_zed_cla
1171                || channel::Entity::find()
1172                    .filter(
1173                        channel::Column::Id
1174                            .is_in(channel.ancestors())
1175                            .and(channel::Column::RequiresZedCla.eq(true)),
1176                    )
1177                    .count(tx)
1178                    .await?
1179                    > 0;
1180            if requires_zed_cla
1181                && contributor::Entity::find()
1182                    .filter(contributor::Column::UserId.eq(user_id))
1183                    .one(tx)
1184                    .await?
1185                    .is_none()
1186            {
1187                Err(anyhow!("user has not signed the Zed CLA"))?;
1188            }
1189        }
1190        Ok(())
1191    }
1192
1193    pub async fn connection_lost(&self, connection: ConnectionId) -> Result<()> {
1194        self.transaction(|tx| async move {
1195            self.room_connection_lost(connection, &tx).await?;
1196            self.channel_buffer_connection_lost(connection, &tx).await?;
1197            Ok(())
1198        })
1199        .await
1200    }
1201
1202    pub async fn room_connection_lost(
1203        &self,
1204        connection: ConnectionId,
1205        tx: &DatabaseTransaction,
1206    ) -> Result<()> {
1207        let participant = room_participant::Entity::find()
1208            .filter(
1209                Condition::all()
1210                    .add(room_participant::Column::AnsweringConnectionId.eq(connection.id as i32))
1211                    .add(
1212                        room_participant::Column::AnsweringConnectionServerId
1213                            .eq(connection.owner_id as i32),
1214                    ),
1215            )
1216            .one(tx)
1217            .await?;
1218
1219        if let Some(participant) = participant {
1220            room_participant::Entity::update(room_participant::ActiveModel {
1221                answering_connection_lost: ActiveValue::set(true),
1222                ..participant.into_active_model()
1223            })
1224            .exec(tx)
1225            .await?;
1226        }
1227        Ok(())
1228    }
1229
1230    fn build_incoming_call(
1231        room: &proto::Room,
1232        called_user_id: UserId,
1233    ) -> Option<proto::IncomingCall> {
1234        let pending_participant = room
1235            .pending_participants
1236            .iter()
1237            .find(|participant| participant.user_id == called_user_id.to_proto())?;
1238
1239        Some(proto::IncomingCall {
1240            room_id: room.id,
1241            calling_user_id: pending_participant.calling_user_id,
1242            participant_user_ids: room
1243                .participants
1244                .iter()
1245                .map(|participant| participant.user_id)
1246                .collect(),
1247            initial_project: room.participants.iter().find_map(|participant| {
1248                let initial_project_id = pending_participant.initial_project_id?;
1249                participant
1250                    .projects
1251                    .iter()
1252                    .find(|project| project.id == initial_project_id)
1253                    .cloned()
1254            }),
1255        })
1256    }
1257
1258    pub async fn get_room(&self, room_id: RoomId, tx: &DatabaseTransaction) -> Result<proto::Room> {
1259        let (_, room) = self.get_channel_room(room_id, tx).await?;
1260        Ok(room)
1261    }
1262
1263    pub async fn room_connection_ids(
1264        &self,
1265        room_id: RoomId,
1266        connection_id: ConnectionId,
1267    ) -> Result<TransactionGuard<HashSet<ConnectionId>>> {
1268        self.room_transaction(room_id, |tx| async move {
1269            let mut participants = room_participant::Entity::find()
1270                .filter(room_participant::Column::RoomId.eq(room_id))
1271                .stream(&*tx)
1272                .await?;
1273
1274            let mut is_participant = false;
1275            let mut connection_ids = HashSet::default();
1276            while let Some(participant) = participants.next().await {
1277                let participant = participant?;
1278                if let Some(answering_connection) = participant.answering_connection() {
1279                    if answering_connection == connection_id {
1280                        is_participant = true;
1281                    } else {
1282                        connection_ids.insert(answering_connection);
1283                    }
1284                }
1285            }
1286
1287            if !is_participant {
1288                Err(anyhow!("not a room participant"))?;
1289            }
1290
1291            Ok(connection_ids)
1292        })
1293        .await
1294    }
1295
1296    async fn get_channel_room(
1297        &self,
1298        room_id: RoomId,
1299        tx: &DatabaseTransaction,
1300    ) -> Result<(Option<channel::Model>, proto::Room)> {
1301        let db_room = room::Entity::find_by_id(room_id)
1302            .one(tx)
1303            .await?
1304            .context("could not find room")?;
1305
1306        let mut db_participants = db_room
1307            .find_related(room_participant::Entity)
1308            .stream(tx)
1309            .await?;
1310        let mut participants = HashMap::default();
1311        let mut pending_participants = Vec::new();
1312        while let Some(db_participant) = db_participants.next().await {
1313            let db_participant = db_participant?;
1314            if let (
1315                Some(answering_connection_id),
1316                Some(answering_connection_server_id),
1317                Some(participant_index),
1318            ) = (
1319                db_participant.answering_connection_id,
1320                db_participant.answering_connection_server_id,
1321                db_participant.participant_index,
1322            ) {
1323                let location = match (
1324                    db_participant.location_kind,
1325                    db_participant.location_project_id,
1326                ) {
1327                    (Some(0), Some(project_id)) => {
1328                        Some(proto::participant_location::Variant::SharedProject(
1329                            proto::participant_location::SharedProject {
1330                                id: project_id.to_proto(),
1331                            },
1332                        ))
1333                    }
1334                    (Some(1), _) => Some(proto::participant_location::Variant::UnsharedProject(
1335                        Default::default(),
1336                    )),
1337                    _ => Some(proto::participant_location::Variant::External(
1338                        Default::default(),
1339                    )),
1340                };
1341
1342                let answering_connection = ConnectionId {
1343                    owner_id: answering_connection_server_id.0 as u32,
1344                    id: answering_connection_id as u32,
1345                };
1346                participants.insert(
1347                    answering_connection,
1348                    proto::Participant {
1349                        user_id: db_participant.user_id.to_proto(),
1350                        peer_id: Some(answering_connection.into()),
1351                        projects: Default::default(),
1352                        location: Some(proto::ParticipantLocation { variant: location }),
1353                        participant_index: participant_index as u32,
1354                        role: db_participant.role.unwrap_or(ChannelRole::Member).into(),
1355                    },
1356                );
1357            } else {
1358                pending_participants.push(proto::PendingParticipant {
1359                    user_id: db_participant.user_id.to_proto(),
1360                    calling_user_id: db_participant.calling_user_id.to_proto(),
1361                    initial_project_id: db_participant.initial_project_id.map(|id| id.to_proto()),
1362                });
1363            }
1364        }
1365        drop(db_participants);
1366
1367        let db_projects = db_room
1368            .find_related(project::Entity)
1369            .find_with_related(worktree::Entity)
1370            .all(tx)
1371            .await?;
1372
1373        for (db_project, db_worktrees) in db_projects {
1374            let host_connection = db_project.host_connection()?;
1375            if let Some(participant) = participants.get_mut(&host_connection) {
1376                participant.projects.push(proto::ParticipantProject {
1377                    id: db_project.id.to_proto(),
1378                    worktree_root_names: Default::default(),
1379                });
1380                let project = participant.projects.last_mut().unwrap();
1381
1382                for db_worktree in db_worktrees {
1383                    if db_worktree.visible {
1384                        project.worktree_root_names.push(db_worktree.root_name);
1385                    }
1386                }
1387            }
1388        }
1389
1390        let mut db_followers = db_room.find_related(follower::Entity).stream(tx).await?;
1391        let mut followers = Vec::new();
1392        while let Some(db_follower) = db_followers.next().await {
1393            let db_follower = db_follower?;
1394            followers.push(proto::Follower {
1395                leader_id: Some(db_follower.leader_connection().into()),
1396                follower_id: Some(db_follower.follower_connection().into()),
1397                project_id: db_follower.project_id.to_proto(),
1398            });
1399        }
1400        drop(db_followers);
1401
1402        let channel = if let Some(channel_id) = db_room.channel_id {
1403            Some(self.get_channel_internal(channel_id, tx).await?)
1404        } else {
1405            None
1406        };
1407
1408        Ok((
1409            channel,
1410            proto::Room {
1411                id: db_room.id.to_proto(),
1412                livekit_room: db_room.live_kit_room,
1413                participants: participants.into_values().collect(),
1414                pending_participants,
1415                followers,
1416            },
1417        ))
1418    }
1419}