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                            is_hidden: db_entry.is_hidden,
 675                            // This is only used in the summarization backlog, so if it's None,
 676                            // that just means we won't be able to detect when to resummarize
 677                            // based on total number of backlogged bytes - instead, we'd go
 678                            // on number of files only. That shouldn't be a huge deal in practice.
 679                            size: None,
 680                            is_fifo: db_entry.is_fifo,
 681                        });
 682                    }
 683                }
 684            }
 685
 686            worktrees.push(worktree);
 687        }
 688
 689        let mut removed_repositories = Vec::new();
 690        let mut updated_repositories = Vec::new();
 691        for db_repo in db_repos {
 692            let rejoined_repository = rejoined_project
 693                .repositories
 694                .iter()
 695                .find(|repo| repo.id == db_repo.id as u64);
 696
 697            let repository_filter = if let Some(rejoined_repository) = rejoined_repository {
 698                project_repository::Column::ScanId.gt(rejoined_repository.scan_id)
 699            } else {
 700                project_repository::Column::IsDeleted.eq(false)
 701            };
 702
 703            let db_repositories = project_repository::Entity::find()
 704                .filter(
 705                    Condition::all()
 706                        .add(project_repository::Column::ProjectId.eq(project.id))
 707                        .add(repository_filter),
 708                )
 709                .all(tx)
 710                .await?;
 711
 712            for db_repository in db_repositories.into_iter() {
 713                if db_repository.is_deleted {
 714                    removed_repositories.push(db_repository.id as u64);
 715                } else {
 716                    let status_entry_filter = if let Some(rejoined_repository) = rejoined_repository
 717                    {
 718                        project_repository_statuses::Column::ScanId.gt(rejoined_repository.scan_id)
 719                    } else {
 720                        project_repository_statuses::Column::IsDeleted.eq(false)
 721                    };
 722
 723                    let mut db_statuses = project_repository_statuses::Entity::find()
 724                        .filter(
 725                            Condition::all()
 726                                .add(project_repository_statuses::Column::ProjectId.eq(project.id))
 727                                .add(
 728                                    project_repository_statuses::Column::RepositoryId
 729                                        .eq(db_repository.id),
 730                                )
 731                                .add(status_entry_filter),
 732                        )
 733                        .stream(tx)
 734                        .await?;
 735                    let mut removed_statuses = Vec::new();
 736                    let mut updated_statuses = Vec::new();
 737
 738                    while let Some(db_status) = db_statuses.next().await {
 739                        let db_status: project_repository_statuses::Model = db_status?;
 740                        if db_status.is_deleted {
 741                            removed_statuses.push(db_status.repo_path);
 742                        } else {
 743                            updated_statuses.push(db_status_to_proto(db_status)?);
 744                        }
 745                    }
 746
 747                    let current_merge_conflicts = db_repository
 748                        .current_merge_conflicts
 749                        .as_ref()
 750                        .map(|conflicts| serde_json::from_str(conflicts))
 751                        .transpose()?
 752                        .unwrap_or_default();
 753
 754                    let branch_summary = db_repository
 755                        .branch_summary
 756                        .as_ref()
 757                        .map(|branch_summary| serde_json::from_str(branch_summary))
 758                        .transpose()?
 759                        .unwrap_or_default();
 760
 761                    let head_commit_details = db_repository
 762                        .head_commit_details
 763                        .as_ref()
 764                        .map(|head_commit_details| serde_json::from_str(head_commit_details))
 765                        .transpose()?
 766                        .unwrap_or_default();
 767
 768                    let entry_ids = serde_json::from_str(&db_repository.entry_ids)
 769                        .context("failed to deserialize repository's entry ids")?;
 770
 771                    if let Some(legacy_worktree_id) = db_repository.legacy_worktree_id {
 772                        if let Some(worktree) = worktrees
 773                            .iter_mut()
 774                            .find(|worktree| worktree.id as i64 == legacy_worktree_id)
 775                        {
 776                            worktree.updated_repositories.push(proto::RepositoryEntry {
 777                                repository_id: db_repository.id as u64,
 778                                updated_statuses,
 779                                removed_statuses,
 780                                current_merge_conflicts,
 781                                branch_summary,
 782                            });
 783                        }
 784                    } else {
 785                        updated_repositories.push(proto::UpdateRepository {
 786                            entry_ids,
 787                            updated_statuses,
 788                            removed_statuses,
 789                            current_merge_conflicts,
 790                            branch_summary,
 791                            head_commit_details,
 792                            project_id: project_id.to_proto(),
 793                            id: db_repository.id as u64,
 794                            abs_path: db_repository.abs_path,
 795                            scan_id: db_repository.scan_id as u64,
 796                            is_last_update: true,
 797                            merge_message: db_repository.merge_message,
 798                            stash_entries: Vec::new(),
 799                        });
 800                    }
 801                }
 802            }
 803        }
 804
 805        let language_servers = project
 806            .find_related(language_server::Entity)
 807            .all(tx)
 808            .await?
 809            .into_iter()
 810            .map(|language_server| LanguageServer {
 811                server: proto::LanguageServer {
 812                    id: language_server.id as u64,
 813                    name: language_server.name,
 814                    worktree_id: language_server.worktree_id.map(|id| id as u64),
 815                },
 816                capabilities: language_server.capabilities,
 817            })
 818            .collect::<Vec<_>>();
 819
 820        {
 821            let mut db_settings_files = worktree_settings_file::Entity::find()
 822                .filter(worktree_settings_file::Column::ProjectId.eq(project_id))
 823                .stream(tx)
 824                .await?;
 825            while let Some(db_settings_file) = db_settings_files.next().await {
 826                let db_settings_file = db_settings_file?;
 827                if let Some(worktree) = worktrees
 828                    .iter_mut()
 829                    .find(|w| w.id == db_settings_file.worktree_id as u64)
 830                {
 831                    worktree.settings_files.push(WorktreeSettingsFile {
 832                        path: db_settings_file.path,
 833                        content: db_settings_file.content,
 834                        kind: db_settings_file.kind,
 835                    });
 836                }
 837            }
 838        }
 839
 840        let mut collaborators = project
 841            .find_related(project_collaborator::Entity)
 842            .all(tx)
 843            .await?;
 844        let self_collaborator = if let Some(self_collaborator_ix) = collaborators
 845            .iter()
 846            .position(|collaborator| collaborator.user_id == user_id)
 847        {
 848            collaborators.swap_remove(self_collaborator_ix)
 849        } else {
 850            return Ok(None);
 851        };
 852        let old_connection_id = self_collaborator.connection();
 853        project_collaborator::Entity::update(project_collaborator::ActiveModel {
 854            connection_id: ActiveValue::set(connection.id as i32),
 855            connection_server_id: ActiveValue::set(ServerId(connection.owner_id as i32)),
 856            ..self_collaborator.into_active_model()
 857        })
 858        .exec(tx)
 859        .await?;
 860
 861        let collaborators = collaborators
 862            .into_iter()
 863            .map(|collaborator| ProjectCollaborator {
 864                connection_id: collaborator.connection(),
 865                user_id: collaborator.user_id,
 866                replica_id: collaborator.replica_id,
 867                is_host: collaborator.is_host,
 868                committer_name: collaborator.committer_name,
 869                committer_email: collaborator.committer_email,
 870            })
 871            .collect::<Vec<_>>();
 872
 873        Ok(Some(RejoinedProject {
 874            id: project_id,
 875            old_connection_id,
 876            collaborators,
 877            updated_repositories,
 878            removed_repositories,
 879            worktrees,
 880            language_servers,
 881        }))
 882    }
 883
 884    pub async fn leave_room(
 885        &self,
 886        connection: ConnectionId,
 887    ) -> Result<Option<TransactionGuard<LeftRoom>>> {
 888        self.optional_room_transaction(|tx| async move {
 889            let leaving_participant = room_participant::Entity::find()
 890                .filter(
 891                    Condition::all()
 892                        .add(
 893                            room_participant::Column::AnsweringConnectionId
 894                                .eq(connection.id as i32),
 895                        )
 896                        .add(
 897                            room_participant::Column::AnsweringConnectionServerId
 898                                .eq(connection.owner_id as i32),
 899                        ),
 900                )
 901                .one(&*tx)
 902                .await?;
 903
 904            if let Some(leaving_participant) = leaving_participant {
 905                // Leave room.
 906                let room_id = leaving_participant.room_id;
 907                room_participant::Entity::delete_by_id(leaving_participant.id)
 908                    .exec(&*tx)
 909                    .await?;
 910
 911                // Cancel pending calls initiated by the leaving user.
 912                let called_participants = room_participant::Entity::find()
 913                    .filter(
 914                        Condition::all()
 915                            .add(
 916                                room_participant::Column::CallingUserId
 917                                    .eq(leaving_participant.user_id),
 918                            )
 919                            .add(room_participant::Column::AnsweringConnectionId.is_null()),
 920                    )
 921                    .all(&*tx)
 922                    .await?;
 923                room_participant::Entity::delete_many()
 924                    .filter(
 925                        room_participant::Column::Id
 926                            .is_in(called_participants.iter().map(|participant| participant.id)),
 927                    )
 928                    .exec(&*tx)
 929                    .await?;
 930                let canceled_calls_to_user_ids = called_participants
 931                    .into_iter()
 932                    .map(|participant| participant.user_id)
 933                    .collect();
 934
 935                // Detect left projects.
 936                #[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
 937                enum QueryProjectIds {
 938                    ProjectId,
 939                }
 940                let project_ids: Vec<ProjectId> = project_collaborator::Entity::find()
 941                    .select_only()
 942                    .column_as(
 943                        project_collaborator::Column::ProjectId,
 944                        QueryProjectIds::ProjectId,
 945                    )
 946                    .filter(
 947                        Condition::all()
 948                            .add(
 949                                project_collaborator::Column::ConnectionId.eq(connection.id as i32),
 950                            )
 951                            .add(
 952                                project_collaborator::Column::ConnectionServerId
 953                                    .eq(connection.owner_id as i32),
 954                            ),
 955                    )
 956                    .into_values::<_, QueryProjectIds>()
 957                    .all(&*tx)
 958                    .await?;
 959
 960                let mut left_projects = HashMap::default();
 961                let mut collaborators = project_collaborator::Entity::find()
 962                    .filter(project_collaborator::Column::ProjectId.is_in(project_ids))
 963                    .stream(&*tx)
 964                    .await?;
 965
 966                while let Some(collaborator) = collaborators.next().await {
 967                    let collaborator = collaborator?;
 968                    let left_project =
 969                        left_projects
 970                            .entry(collaborator.project_id)
 971                            .or_insert(LeftProject {
 972                                id: collaborator.project_id,
 973                                connection_ids: Default::default(),
 974                                should_unshare: false,
 975                            });
 976
 977                    let collaborator_connection_id = collaborator.connection();
 978                    if collaborator_connection_id != connection {
 979                        left_project.connection_ids.push(collaborator_connection_id);
 980                    }
 981
 982                    if collaborator.is_host && collaborator.connection() == connection {
 983                        left_project.should_unshare = true;
 984                    }
 985                }
 986                drop(collaborators);
 987
 988                // Leave projects.
 989                project_collaborator::Entity::delete_many()
 990                    .filter(
 991                        Condition::all()
 992                            .add(
 993                                project_collaborator::Column::ConnectionId.eq(connection.id as i32),
 994                            )
 995                            .add(
 996                                project_collaborator::Column::ConnectionServerId
 997                                    .eq(connection.owner_id as i32),
 998                            ),
 999                    )
1000                    .exec(&*tx)
1001                    .await?;
1002
1003                follower::Entity::delete_many()
1004                    .filter(
1005                        Condition::all()
1006                            .add(follower::Column::FollowerConnectionId.eq(connection.id as i32)),
1007                    )
1008                    .exec(&*tx)
1009                    .await?;
1010
1011                // Unshare projects.
1012                project::Entity::delete_many()
1013                    .filter(
1014                        Condition::all()
1015                            .add(project::Column::RoomId.eq(room_id))
1016                            .add(project::Column::HostConnectionId.eq(connection.id as i32))
1017                            .add(
1018                                project::Column::HostConnectionServerId
1019                                    .eq(connection.owner_id as i32),
1020                            ),
1021                    )
1022                    .exec(&*tx)
1023                    .await?;
1024
1025                let (channel, room) = self.get_channel_room(room_id, &tx).await?;
1026                let deleted = if room.participants.is_empty() {
1027                    let result = room::Entity::delete_by_id(room_id).exec(&*tx).await?;
1028                    result.rows_affected > 0
1029                } else {
1030                    false
1031                };
1032
1033                let left_room = LeftRoom {
1034                    room,
1035                    channel,
1036                    left_projects,
1037                    canceled_calls_to_user_ids,
1038                    deleted,
1039                };
1040
1041                if left_room.room.participants.is_empty() {
1042                    self.rooms.remove(&room_id);
1043                }
1044
1045                Ok(Some((room_id, left_room)))
1046            } else {
1047                Ok(None)
1048            }
1049        })
1050        .await
1051    }
1052
1053    /// Updates the location of a participant in the given room.
1054    pub async fn update_room_participant_location(
1055        &self,
1056        room_id: RoomId,
1057        connection: ConnectionId,
1058        location: proto::ParticipantLocation,
1059    ) -> Result<TransactionGuard<proto::Room>> {
1060        self.room_transaction(room_id, |tx| async {
1061            let tx = tx;
1062            let location_kind;
1063            let location_project_id;
1064            match location.variant.as_ref().context("invalid location")? {
1065                proto::participant_location::Variant::SharedProject(project) => {
1066                    location_kind = 0;
1067                    location_project_id = Some(ProjectId::from_proto(project.id));
1068                }
1069                proto::participant_location::Variant::UnsharedProject(_) => {
1070                    location_kind = 1;
1071                    location_project_id = None;
1072                }
1073                proto::participant_location::Variant::External(_) => {
1074                    location_kind = 2;
1075                    location_project_id = None;
1076                }
1077            }
1078
1079            let result = room_participant::Entity::update_many()
1080                .filter(
1081                    Condition::all()
1082                        .add(room_participant::Column::RoomId.eq(room_id))
1083                        .add(
1084                            room_participant::Column::AnsweringConnectionId
1085                                .eq(connection.id as i32),
1086                        )
1087                        .add(
1088                            room_participant::Column::AnsweringConnectionServerId
1089                                .eq(connection.owner_id as i32),
1090                        ),
1091                )
1092                .set(room_participant::ActiveModel {
1093                    location_kind: ActiveValue::set(Some(location_kind)),
1094                    location_project_id: ActiveValue::set(location_project_id),
1095                    ..Default::default()
1096                })
1097                .exec(&*tx)
1098                .await?;
1099
1100            if result.rows_affected == 1 {
1101                let room = self.get_room(room_id, &tx).await?;
1102                Ok(room)
1103            } else {
1104                Err(anyhow!("could not update room participant location"))?
1105            }
1106        })
1107        .await
1108    }
1109
1110    /// Sets the role of a participant in the given room.
1111    pub async fn set_room_participant_role(
1112        &self,
1113        admin_id: UserId,
1114        room_id: RoomId,
1115        user_id: UserId,
1116        role: ChannelRole,
1117    ) -> Result<TransactionGuard<proto::Room>> {
1118        self.room_transaction(room_id, |tx| async move {
1119            room_participant::Entity::find()
1120                .filter(
1121                    Condition::all()
1122                        .add(room_participant::Column::RoomId.eq(room_id))
1123                        .add(room_participant::Column::UserId.eq(admin_id))
1124                        .add(room_participant::Column::Role.eq(ChannelRole::Admin)),
1125                )
1126                .one(&*tx)
1127                .await?
1128                .context("only admins can set participant role")?;
1129
1130            if role.requires_cla() {
1131                self.check_user_has_signed_cla(user_id, room_id, &tx)
1132                    .await?;
1133            }
1134
1135            let result = room_participant::Entity::update_many()
1136                .filter(
1137                    Condition::all()
1138                        .add(room_participant::Column::RoomId.eq(room_id))
1139                        .add(room_participant::Column::UserId.eq(user_id)),
1140                )
1141                .set(room_participant::ActiveModel {
1142                    role: ActiveValue::set(Some(role)),
1143                    ..Default::default()
1144                })
1145                .exec(&*tx)
1146                .await?;
1147
1148            if result.rows_affected != 1 {
1149                Err(anyhow!("could not update room participant role"))?;
1150            }
1151            self.get_room(room_id, &tx).await
1152        })
1153        .await
1154    }
1155
1156    async fn check_user_has_signed_cla(
1157        &self,
1158        user_id: UserId,
1159        room_id: RoomId,
1160        tx: &DatabaseTransaction,
1161    ) -> Result<()> {
1162        let channel = room::Entity::find_by_id(room_id)
1163            .one(tx)
1164            .await?
1165            .context("could not find room")?
1166            .find_related(channel::Entity)
1167            .one(tx)
1168            .await?;
1169
1170        if let Some(channel) = channel {
1171            let requires_zed_cla = channel.requires_zed_cla
1172                || channel::Entity::find()
1173                    .filter(
1174                        channel::Column::Id
1175                            .is_in(channel.ancestors())
1176                            .and(channel::Column::RequiresZedCla.eq(true)),
1177                    )
1178                    .count(tx)
1179                    .await?
1180                    > 0;
1181            if requires_zed_cla
1182                && contributor::Entity::find()
1183                    .filter(contributor::Column::UserId.eq(user_id))
1184                    .one(tx)
1185                    .await?
1186                    .is_none()
1187            {
1188                Err(anyhow!("user has not signed the Zed CLA"))?;
1189            }
1190        }
1191        Ok(())
1192    }
1193
1194    pub async fn connection_lost(&self, connection: ConnectionId) -> Result<()> {
1195        self.transaction(|tx| async move {
1196            self.room_connection_lost(connection, &tx).await?;
1197            self.channel_buffer_connection_lost(connection, &tx).await?;
1198            Ok(())
1199        })
1200        .await
1201    }
1202
1203    pub async fn room_connection_lost(
1204        &self,
1205        connection: ConnectionId,
1206        tx: &DatabaseTransaction,
1207    ) -> Result<()> {
1208        let participant = room_participant::Entity::find()
1209            .filter(
1210                Condition::all()
1211                    .add(room_participant::Column::AnsweringConnectionId.eq(connection.id as i32))
1212                    .add(
1213                        room_participant::Column::AnsweringConnectionServerId
1214                            .eq(connection.owner_id as i32),
1215                    ),
1216            )
1217            .one(tx)
1218            .await?;
1219
1220        if let Some(participant) = participant {
1221            room_participant::Entity::update(room_participant::ActiveModel {
1222                answering_connection_lost: ActiveValue::set(true),
1223                ..participant.into_active_model()
1224            })
1225            .exec(tx)
1226            .await?;
1227        }
1228        Ok(())
1229    }
1230
1231    fn build_incoming_call(
1232        room: &proto::Room,
1233        called_user_id: UserId,
1234    ) -> Option<proto::IncomingCall> {
1235        let pending_participant = room
1236            .pending_participants
1237            .iter()
1238            .find(|participant| participant.user_id == called_user_id.to_proto())?;
1239
1240        Some(proto::IncomingCall {
1241            room_id: room.id,
1242            calling_user_id: pending_participant.calling_user_id,
1243            participant_user_ids: room
1244                .participants
1245                .iter()
1246                .map(|participant| participant.user_id)
1247                .collect(),
1248            initial_project: room.participants.iter().find_map(|participant| {
1249                let initial_project_id = pending_participant.initial_project_id?;
1250                participant
1251                    .projects
1252                    .iter()
1253                    .find(|project| project.id == initial_project_id)
1254                    .cloned()
1255            }),
1256        })
1257    }
1258
1259    pub async fn get_room(&self, room_id: RoomId, tx: &DatabaseTransaction) -> Result<proto::Room> {
1260        let (_, room) = self.get_channel_room(room_id, tx).await?;
1261        Ok(room)
1262    }
1263
1264    pub async fn room_connection_ids(
1265        &self,
1266        room_id: RoomId,
1267        connection_id: ConnectionId,
1268    ) -> Result<TransactionGuard<HashSet<ConnectionId>>> {
1269        self.room_transaction(room_id, |tx| async move {
1270            let mut participants = room_participant::Entity::find()
1271                .filter(room_participant::Column::RoomId.eq(room_id))
1272                .stream(&*tx)
1273                .await?;
1274
1275            let mut is_participant = false;
1276            let mut connection_ids = HashSet::default();
1277            while let Some(participant) = participants.next().await {
1278                let participant = participant?;
1279                if let Some(answering_connection) = participant.answering_connection() {
1280                    if answering_connection == connection_id {
1281                        is_participant = true;
1282                    } else {
1283                        connection_ids.insert(answering_connection);
1284                    }
1285                }
1286            }
1287
1288            if !is_participant {
1289                Err(anyhow!("not a room participant"))?;
1290            }
1291
1292            Ok(connection_ids)
1293        })
1294        .await
1295    }
1296
1297    async fn get_channel_room(
1298        &self,
1299        room_id: RoomId,
1300        tx: &DatabaseTransaction,
1301    ) -> Result<(Option<channel::Model>, proto::Room)> {
1302        let db_room = room::Entity::find_by_id(room_id)
1303            .one(tx)
1304            .await?
1305            .context("could not find room")?;
1306
1307        let mut db_participants = db_room
1308            .find_related(room_participant::Entity)
1309            .stream(tx)
1310            .await?;
1311        let mut participants = HashMap::default();
1312        let mut pending_participants = Vec::new();
1313        while let Some(db_participant) = db_participants.next().await {
1314            let db_participant = db_participant?;
1315            if let (
1316                Some(answering_connection_id),
1317                Some(answering_connection_server_id),
1318                Some(participant_index),
1319            ) = (
1320                db_participant.answering_connection_id,
1321                db_participant.answering_connection_server_id,
1322                db_participant.participant_index,
1323            ) {
1324                let location = match (
1325                    db_participant.location_kind,
1326                    db_participant.location_project_id,
1327                ) {
1328                    (Some(0), Some(project_id)) => {
1329                        Some(proto::participant_location::Variant::SharedProject(
1330                            proto::participant_location::SharedProject {
1331                                id: project_id.to_proto(),
1332                            },
1333                        ))
1334                    }
1335                    (Some(1), _) => Some(proto::participant_location::Variant::UnsharedProject(
1336                        Default::default(),
1337                    )),
1338                    _ => Some(proto::participant_location::Variant::External(
1339                        Default::default(),
1340                    )),
1341                };
1342
1343                let answering_connection = ConnectionId {
1344                    owner_id: answering_connection_server_id.0 as u32,
1345                    id: answering_connection_id as u32,
1346                };
1347                participants.insert(
1348                    answering_connection,
1349                    proto::Participant {
1350                        user_id: db_participant.user_id.to_proto(),
1351                        peer_id: Some(answering_connection.into()),
1352                        projects: Default::default(),
1353                        location: Some(proto::ParticipantLocation { variant: location }),
1354                        participant_index: participant_index as u32,
1355                        role: db_participant.role.unwrap_or(ChannelRole::Member).into(),
1356                    },
1357                );
1358            } else {
1359                pending_participants.push(proto::PendingParticipant {
1360                    user_id: db_participant.user_id.to_proto(),
1361                    calling_user_id: db_participant.calling_user_id.to_proto(),
1362                    initial_project_id: db_participant.initial_project_id.map(|id| id.to_proto()),
1363                });
1364            }
1365        }
1366        drop(db_participants);
1367
1368        let db_projects = db_room
1369            .find_related(project::Entity)
1370            .find_with_related(worktree::Entity)
1371            .all(tx)
1372            .await?;
1373
1374        for (db_project, db_worktrees) in db_projects {
1375            let host_connection = db_project.host_connection()?;
1376            if let Some(participant) = participants.get_mut(&host_connection) {
1377                participant.projects.push(proto::ParticipantProject {
1378                    id: db_project.id.to_proto(),
1379                    worktree_root_names: Default::default(),
1380                });
1381                let project = participant.projects.last_mut().unwrap();
1382
1383                for db_worktree in db_worktrees {
1384                    if db_worktree.visible {
1385                        project.worktree_root_names.push(db_worktree.root_name);
1386                    }
1387                }
1388            }
1389        }
1390
1391        let mut db_followers = db_room.find_related(follower::Entity).stream(tx).await?;
1392        let mut followers = Vec::new();
1393        while let Some(db_follower) = db_followers.next().await {
1394            let db_follower = db_follower?;
1395            followers.push(proto::Follower {
1396                leader_id: Some(db_follower.leader_connection().into()),
1397                follower_id: Some(db_follower.follower_connection().into()),
1398                project_id: db_follower.project_id.to_proto(),
1399            });
1400        }
1401        drop(db_followers);
1402
1403        let channel = if let Some(channel_id) = db_room.channel_id {
1404            Some(self.get_channel_internal(channel_id, tx).await?)
1405        } else {
1406            None
1407        };
1408
1409        Ok((
1410            channel,
1411            proto::Room {
1412                id: db_room.id.to_proto(),
1413                livekit_room: db_room.live_kit_room,
1414                participants: participants.into_values().collect(),
1415                pending_participants,
1416                followers,
1417            },
1418        ))
1419    }
1420}