projects.rs

   1use anyhow::Context as _;
   2use collections::HashSet;
   3use util::ResultExt;
   4
   5use super::*;
   6
   7impl Database {
   8    /// Returns the count of all projects, excluding ones marked as admin.
   9    pub async fn project_count_excluding_admins(&self) -> Result<usize> {
  10        #[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
  11        enum QueryAs {
  12            Count,
  13        }
  14
  15        self.transaction(|tx| async move {
  16            Ok(project::Entity::find()
  17                .select_only()
  18                .column_as(project::Column::Id.count(), QueryAs::Count)
  19                .inner_join(user::Entity)
  20                .filter(user::Column::Admin.eq(false))
  21                .into_values::<_, QueryAs>()
  22                .one(&*tx)
  23                .await?
  24                .unwrap_or(0i64) as usize)
  25        })
  26        .await
  27    }
  28
  29    /// Shares a project with the given room.
  30    pub async fn share_project(
  31        &self,
  32        room_id: RoomId,
  33        connection: ConnectionId,
  34        worktrees: &[proto::WorktreeMetadata],
  35        is_ssh_project: bool,
  36    ) -> Result<TransactionGuard<(ProjectId, proto::Room)>> {
  37        self.room_transaction(room_id, |tx| async move {
  38            let participant = room_participant::Entity::find()
  39                .filter(
  40                    Condition::all()
  41                        .add(
  42                            room_participant::Column::AnsweringConnectionId
  43                                .eq(connection.id as i32),
  44                        )
  45                        .add(
  46                            room_participant::Column::AnsweringConnectionServerId
  47                                .eq(connection.owner_id as i32),
  48                        ),
  49                )
  50                .one(&*tx)
  51                .await?
  52                .context("could not find participant")?;
  53            if participant.room_id != room_id {
  54                return Err(anyhow!("shared project on unexpected room"))?;
  55            }
  56            if !participant
  57                .role
  58                .unwrap_or(ChannelRole::Member)
  59                .can_edit_projects()
  60            {
  61                return Err(anyhow!("guests cannot share projects"))?;
  62            }
  63
  64            let project = project::ActiveModel {
  65                room_id: ActiveValue::set(Some(participant.room_id)),
  66                host_user_id: ActiveValue::set(Some(participant.user_id)),
  67                host_connection_id: ActiveValue::set(Some(connection.id as i32)),
  68                host_connection_server_id: ActiveValue::set(Some(ServerId(
  69                    connection.owner_id as i32,
  70                ))),
  71                id: ActiveValue::NotSet,
  72            }
  73            .insert(&*tx)
  74            .await?;
  75
  76            if !worktrees.is_empty() {
  77                worktree::Entity::insert_many(worktrees.iter().map(|worktree| {
  78                    worktree::ActiveModel {
  79                        id: ActiveValue::set(worktree.id as i64),
  80                        project_id: ActiveValue::set(project.id),
  81                        abs_path: ActiveValue::set(worktree.abs_path.clone()),
  82                        root_name: ActiveValue::set(worktree.root_name.clone()),
  83                        visible: ActiveValue::set(worktree.visible),
  84                        scan_id: ActiveValue::set(0),
  85                        completed_scan_id: ActiveValue::set(0),
  86                    }
  87                }))
  88                .exec(&*tx)
  89                .await?;
  90            }
  91
  92            let replica_id = if is_ssh_project { 1 } else { 0 };
  93
  94            project_collaborator::ActiveModel {
  95                project_id: ActiveValue::set(project.id),
  96                connection_id: ActiveValue::set(connection.id as i32),
  97                connection_server_id: ActiveValue::set(ServerId(connection.owner_id as i32)),
  98                user_id: ActiveValue::set(participant.user_id),
  99                replica_id: ActiveValue::set(ReplicaId(replica_id)),
 100                is_host: ActiveValue::set(true),
 101                id: ActiveValue::NotSet,
 102                committer_name: ActiveValue::Set(None),
 103                committer_email: ActiveValue::Set(None),
 104            }
 105            .insert(&*tx)
 106            .await?;
 107
 108            let room = self.get_room(room_id, &tx).await?;
 109            Ok((project.id, room))
 110        })
 111        .await
 112    }
 113
 114    pub async fn delete_project(&self, project_id: ProjectId) -> Result<()> {
 115        self.transaction(|tx| async move {
 116            project::Entity::delete_by_id(project_id).exec(&*tx).await?;
 117            Ok(())
 118        })
 119        .await
 120    }
 121
 122    /// Unshares the given project.
 123    pub async fn unshare_project(
 124        &self,
 125        project_id: ProjectId,
 126        connection: ConnectionId,
 127    ) -> Result<TransactionGuard<(bool, Option<proto::Room>, Vec<ConnectionId>)>> {
 128        self.project_transaction(project_id, |tx| async move {
 129            let guest_connection_ids = self.project_guest_connection_ids(project_id, &tx).await?;
 130            let project = project::Entity::find_by_id(project_id)
 131                .one(&*tx)
 132                .await?
 133                .context("project not found")?;
 134            let room = if let Some(room_id) = project.room_id {
 135                Some(self.get_room(room_id, &tx).await?)
 136            } else {
 137                None
 138            };
 139            if project.host_connection()? == connection {
 140                return Ok((true, room, guest_connection_ids));
 141            }
 142            Err(anyhow!("cannot unshare a project hosted by another user"))?
 143        })
 144        .await
 145    }
 146
 147    /// Updates the worktrees associated with the given project.
 148    pub async fn update_project(
 149        &self,
 150        project_id: ProjectId,
 151        connection: ConnectionId,
 152        worktrees: &[proto::WorktreeMetadata],
 153    ) -> Result<TransactionGuard<(Option<proto::Room>, Vec<ConnectionId>)>> {
 154        self.project_transaction(project_id, |tx| async move {
 155            let project = project::Entity::find_by_id(project_id)
 156                .filter(
 157                    Condition::all()
 158                        .add(project::Column::HostConnectionId.eq(connection.id as i32))
 159                        .add(
 160                            project::Column::HostConnectionServerId.eq(connection.owner_id as i32),
 161                        ),
 162                )
 163                .one(&*tx)
 164                .await?
 165                .context("no such project")?;
 166
 167            self.update_project_worktrees(project.id, worktrees, &tx)
 168                .await?;
 169
 170            let guest_connection_ids = self.project_guest_connection_ids(project.id, &tx).await?;
 171
 172            let room = if let Some(room_id) = project.room_id {
 173                Some(self.get_room(room_id, &tx).await?)
 174            } else {
 175                None
 176            };
 177
 178            Ok((room, guest_connection_ids))
 179        })
 180        .await
 181    }
 182
 183    pub(in crate::db) async fn update_project_worktrees(
 184        &self,
 185        project_id: ProjectId,
 186        worktrees: &[proto::WorktreeMetadata],
 187        tx: &DatabaseTransaction,
 188    ) -> Result<()> {
 189        if !worktrees.is_empty() {
 190            worktree::Entity::insert_many(worktrees.iter().map(|worktree| worktree::ActiveModel {
 191                id: ActiveValue::set(worktree.id as i64),
 192                project_id: ActiveValue::set(project_id),
 193                abs_path: ActiveValue::set(worktree.abs_path.clone()),
 194                root_name: ActiveValue::set(worktree.root_name.clone()),
 195                visible: ActiveValue::set(worktree.visible),
 196                scan_id: ActiveValue::set(0),
 197                completed_scan_id: ActiveValue::set(0),
 198            }))
 199            .on_conflict(
 200                OnConflict::columns([worktree::Column::ProjectId, worktree::Column::Id])
 201                    .update_column(worktree::Column::RootName)
 202                    .to_owned(),
 203            )
 204            .exec(tx)
 205            .await?;
 206        }
 207
 208        worktree::Entity::delete_many()
 209            .filter(worktree::Column::ProjectId.eq(project_id).and(
 210                worktree::Column::Id.is_not_in(worktrees.iter().map(|worktree| worktree.id as i64)),
 211            ))
 212            .exec(tx)
 213            .await?;
 214
 215        Ok(())
 216    }
 217
 218    pub async fn update_worktree(
 219        &self,
 220        update: &proto::UpdateWorktree,
 221        connection: ConnectionId,
 222    ) -> Result<TransactionGuard<Vec<ConnectionId>>> {
 223        if update.removed_entries.len() > proto::MAX_WORKTREE_UPDATE_MAX_CHUNK_SIZE
 224            || update.updated_entries.len() > proto::MAX_WORKTREE_UPDATE_MAX_CHUNK_SIZE
 225        {
 226            return Err(anyhow!(
 227                "invalid worktree update. removed entries: {}, updated entries: {}",
 228                update.removed_entries.len(),
 229                update.updated_entries.len()
 230            ))?;
 231        }
 232
 233        let project_id = ProjectId::from_proto(update.project_id);
 234        let worktree_id = update.worktree_id as i64;
 235        self.project_transaction(project_id, |tx| async move {
 236            // Ensure the update comes from the host.
 237            let _project = project::Entity::find_by_id(project_id)
 238                .filter(
 239                    Condition::all()
 240                        .add(project::Column::HostConnectionId.eq(connection.id as i32))
 241                        .add(
 242                            project::Column::HostConnectionServerId.eq(connection.owner_id as i32),
 243                        ),
 244                )
 245                .one(&*tx)
 246                .await?
 247                .with_context(|| format!("no such project: {project_id}"))?;
 248
 249            // Update metadata.
 250            worktree::Entity::update(worktree::ActiveModel {
 251                id: ActiveValue::set(worktree_id),
 252                project_id: ActiveValue::set(project_id),
 253                root_name: ActiveValue::set(update.root_name.clone()),
 254                scan_id: ActiveValue::set(update.scan_id as i64),
 255                completed_scan_id: if update.is_last_update {
 256                    ActiveValue::set(update.scan_id as i64)
 257                } else {
 258                    ActiveValue::default()
 259                },
 260                abs_path: ActiveValue::set(update.abs_path.clone()),
 261                ..Default::default()
 262            })
 263            .exec(&*tx)
 264            .await?;
 265
 266            if !update.updated_entries.is_empty() {
 267                worktree_entry::Entity::insert_many(update.updated_entries.iter().map(|entry| {
 268                    let mtime = entry.mtime.clone().unwrap_or_default();
 269                    worktree_entry::ActiveModel {
 270                        project_id: ActiveValue::set(project_id),
 271                        worktree_id: ActiveValue::set(worktree_id),
 272                        id: ActiveValue::set(entry.id as i64),
 273                        is_dir: ActiveValue::set(entry.is_dir),
 274                        path: ActiveValue::set(entry.path.clone()),
 275                        inode: ActiveValue::set(entry.inode as i64),
 276                        mtime_seconds: ActiveValue::set(mtime.seconds as i64),
 277                        mtime_nanos: ActiveValue::set(mtime.nanos as i32),
 278                        canonical_path: ActiveValue::set(entry.canonical_path.clone()),
 279                        is_ignored: ActiveValue::set(entry.is_ignored),
 280                        git_status: ActiveValue::set(None),
 281                        is_external: ActiveValue::set(entry.is_external),
 282                        is_deleted: ActiveValue::set(false),
 283                        scan_id: ActiveValue::set(update.scan_id as i64),
 284                        is_fifo: ActiveValue::set(entry.is_fifo),
 285                    }
 286                }))
 287                .on_conflict(
 288                    OnConflict::columns([
 289                        worktree_entry::Column::ProjectId,
 290                        worktree_entry::Column::WorktreeId,
 291                        worktree_entry::Column::Id,
 292                    ])
 293                    .update_columns([
 294                        worktree_entry::Column::IsDir,
 295                        worktree_entry::Column::Path,
 296                        worktree_entry::Column::Inode,
 297                        worktree_entry::Column::MtimeSeconds,
 298                        worktree_entry::Column::MtimeNanos,
 299                        worktree_entry::Column::CanonicalPath,
 300                        worktree_entry::Column::IsIgnored,
 301                        worktree_entry::Column::ScanId,
 302                    ])
 303                    .to_owned(),
 304                )
 305                .exec(&*tx)
 306                .await?;
 307            }
 308
 309            if !update.removed_entries.is_empty() {
 310                worktree_entry::Entity::update_many()
 311                    .filter(
 312                        worktree_entry::Column::ProjectId
 313                            .eq(project_id)
 314                            .and(worktree_entry::Column::WorktreeId.eq(worktree_id))
 315                            .and(
 316                                worktree_entry::Column::Id
 317                                    .is_in(update.removed_entries.iter().map(|id| *id as i64)),
 318                            ),
 319                    )
 320                    .set(worktree_entry::ActiveModel {
 321                        is_deleted: ActiveValue::Set(true),
 322                        scan_id: ActiveValue::Set(update.scan_id as i64),
 323                        ..Default::default()
 324                    })
 325                    .exec(&*tx)
 326                    .await?;
 327            }
 328
 329            // Backward-compatibility for old Zed clients.
 330            //
 331            // Remove this block when Zed 1.80 stable has been out for a week.
 332            {
 333                if !update.updated_repositories.is_empty() {
 334                    project_repository::Entity::insert_many(
 335                        update.updated_repositories.iter().map(|repository| {
 336                            project_repository::ActiveModel {
 337                                project_id: ActiveValue::set(project_id),
 338                                legacy_worktree_id: ActiveValue::set(Some(worktree_id)),
 339                                id: ActiveValue::set(repository.repository_id as i64),
 340                                scan_id: ActiveValue::set(update.scan_id as i64),
 341                                is_deleted: ActiveValue::set(false),
 342                                branch_summary: ActiveValue::Set(
 343                                    repository
 344                                        .branch_summary
 345                                        .as_ref()
 346                                        .map(|summary| serde_json::to_string(summary).unwrap()),
 347                                ),
 348                                current_merge_conflicts: ActiveValue::Set(Some(
 349                                    serde_json::to_string(&repository.current_merge_conflicts)
 350                                        .unwrap(),
 351                                )),
 352                                // Old clients do not use abs path, entry ids, head_commit_details, or merge_message.
 353                                abs_path: ActiveValue::set(String::new()),
 354                                entry_ids: ActiveValue::set("[]".into()),
 355                                head_commit_details: ActiveValue::set(None),
 356                                merge_message: ActiveValue::set(None),
 357                            }
 358                        }),
 359                    )
 360                    .on_conflict(
 361                        OnConflict::columns([
 362                            project_repository::Column::ProjectId,
 363                            project_repository::Column::Id,
 364                        ])
 365                        .update_columns([
 366                            project_repository::Column::ScanId,
 367                            project_repository::Column::BranchSummary,
 368                            project_repository::Column::CurrentMergeConflicts,
 369                        ])
 370                        .to_owned(),
 371                    )
 372                    .exec(&*tx)
 373                    .await?;
 374
 375                    let has_any_statuses = update
 376                        .updated_repositories
 377                        .iter()
 378                        .any(|repository| !repository.updated_statuses.is_empty());
 379
 380                    if has_any_statuses {
 381                        project_repository_statuses::Entity::insert_many(
 382                            update.updated_repositories.iter().flat_map(
 383                                |repository: &proto::RepositoryEntry| {
 384                                    repository.updated_statuses.iter().map(|status_entry| {
 385                                        let (repo_path, status_kind, first_status, second_status) =
 386                                            proto_status_to_db(status_entry.clone());
 387                                        project_repository_statuses::ActiveModel {
 388                                            project_id: ActiveValue::set(project_id),
 389                                            repository_id: ActiveValue::set(
 390                                                repository.repository_id as i64,
 391                                            ),
 392                                            scan_id: ActiveValue::set(update.scan_id as i64),
 393                                            is_deleted: ActiveValue::set(false),
 394                                            repo_path: ActiveValue::set(repo_path),
 395                                            status: ActiveValue::set(0),
 396                                            status_kind: ActiveValue::set(status_kind),
 397                                            first_status: ActiveValue::set(first_status),
 398                                            second_status: ActiveValue::set(second_status),
 399                                        }
 400                                    })
 401                                },
 402                            ),
 403                        )
 404                        .on_conflict(
 405                            OnConflict::columns([
 406                                project_repository_statuses::Column::ProjectId,
 407                                project_repository_statuses::Column::RepositoryId,
 408                                project_repository_statuses::Column::RepoPath,
 409                            ])
 410                            .update_columns([
 411                                project_repository_statuses::Column::ScanId,
 412                                project_repository_statuses::Column::StatusKind,
 413                                project_repository_statuses::Column::FirstStatus,
 414                                project_repository_statuses::Column::SecondStatus,
 415                            ])
 416                            .to_owned(),
 417                        )
 418                        .exec(&*tx)
 419                        .await?;
 420                    }
 421
 422                    for repo in &update.updated_repositories {
 423                        if !repo.removed_statuses.is_empty() {
 424                            project_repository_statuses::Entity::update_many()
 425                                .filter(
 426                                    project_repository_statuses::Column::ProjectId
 427                                        .eq(project_id)
 428                                        .and(
 429                                            project_repository_statuses::Column::RepositoryId
 430                                                .eq(repo.repository_id),
 431                                        )
 432                                        .and(
 433                                            project_repository_statuses::Column::RepoPath
 434                                                .is_in(repo.removed_statuses.iter()),
 435                                        ),
 436                                )
 437                                .set(project_repository_statuses::ActiveModel {
 438                                    is_deleted: ActiveValue::Set(true),
 439                                    scan_id: ActiveValue::Set(update.scan_id as i64),
 440                                    ..Default::default()
 441                                })
 442                                .exec(&*tx)
 443                                .await?;
 444                        }
 445                    }
 446                }
 447
 448                if !update.removed_repositories.is_empty() {
 449                    project_repository::Entity::update_many()
 450                        .filter(
 451                            project_repository::Column::ProjectId
 452                                .eq(project_id)
 453                                .and(project_repository::Column::LegacyWorktreeId.eq(worktree_id))
 454                                .and(project_repository::Column::Id.is_in(
 455                                    update.removed_repositories.iter().map(|id| *id as i64),
 456                                )),
 457                        )
 458                        .set(project_repository::ActiveModel {
 459                            is_deleted: ActiveValue::Set(true),
 460                            scan_id: ActiveValue::Set(update.scan_id as i64),
 461                            ..Default::default()
 462                        })
 463                        .exec(&*tx)
 464                        .await?;
 465                }
 466            }
 467
 468            let connection_ids = self.project_guest_connection_ids(project_id, &tx).await?;
 469            Ok(connection_ids)
 470        })
 471        .await
 472    }
 473
 474    pub async fn update_repository(
 475        &self,
 476        update: &proto::UpdateRepository,
 477        _connection: ConnectionId,
 478    ) -> Result<TransactionGuard<Vec<ConnectionId>>> {
 479        let project_id = ProjectId::from_proto(update.project_id);
 480        let repository_id = update.id as i64;
 481        self.project_transaction(project_id, |tx| async move {
 482            project_repository::Entity::insert(project_repository::ActiveModel {
 483                project_id: ActiveValue::set(project_id),
 484                id: ActiveValue::set(repository_id),
 485                legacy_worktree_id: ActiveValue::set(None),
 486                abs_path: ActiveValue::set(update.abs_path.clone()),
 487                entry_ids: ActiveValue::Set(serde_json::to_string(&update.entry_ids).unwrap()),
 488                scan_id: ActiveValue::set(update.scan_id as i64),
 489                is_deleted: ActiveValue::set(false),
 490                branch_summary: ActiveValue::Set(
 491                    update
 492                        .branch_summary
 493                        .as_ref()
 494                        .map(|summary| serde_json::to_string(summary).unwrap()),
 495                ),
 496                head_commit_details: ActiveValue::Set(
 497                    update
 498                        .head_commit_details
 499                        .as_ref()
 500                        .map(|details| serde_json::to_string(details).unwrap()),
 501                ),
 502                current_merge_conflicts: ActiveValue::Set(Some(
 503                    serde_json::to_string(&update.current_merge_conflicts).unwrap(),
 504                )),
 505                merge_message: ActiveValue::set(update.merge_message.clone()),
 506            })
 507            .on_conflict(
 508                OnConflict::columns([
 509                    project_repository::Column::ProjectId,
 510                    project_repository::Column::Id,
 511                ])
 512                .update_columns([
 513                    project_repository::Column::ScanId,
 514                    project_repository::Column::BranchSummary,
 515                    project_repository::Column::EntryIds,
 516                    project_repository::Column::AbsPath,
 517                    project_repository::Column::CurrentMergeConflicts,
 518                    project_repository::Column::HeadCommitDetails,
 519                    project_repository::Column::MergeMessage,
 520                ])
 521                .to_owned(),
 522            )
 523            .exec(&*tx)
 524            .await?;
 525
 526            let has_any_statuses = !update.updated_statuses.is_empty();
 527
 528            if has_any_statuses {
 529                project_repository_statuses::Entity::insert_many(
 530                    update.updated_statuses.iter().map(|status_entry| {
 531                        let (repo_path, status_kind, first_status, second_status) =
 532                            proto_status_to_db(status_entry.clone());
 533                        project_repository_statuses::ActiveModel {
 534                            project_id: ActiveValue::set(project_id),
 535                            repository_id: ActiveValue::set(repository_id),
 536                            scan_id: ActiveValue::set(update.scan_id as i64),
 537                            is_deleted: ActiveValue::set(false),
 538                            repo_path: ActiveValue::set(repo_path),
 539                            status: ActiveValue::set(0),
 540                            status_kind: ActiveValue::set(status_kind),
 541                            first_status: ActiveValue::set(first_status),
 542                            second_status: ActiveValue::set(second_status),
 543                        }
 544                    }),
 545                )
 546                .on_conflict(
 547                    OnConflict::columns([
 548                        project_repository_statuses::Column::ProjectId,
 549                        project_repository_statuses::Column::RepositoryId,
 550                        project_repository_statuses::Column::RepoPath,
 551                    ])
 552                    .update_columns([
 553                        project_repository_statuses::Column::ScanId,
 554                        project_repository_statuses::Column::StatusKind,
 555                        project_repository_statuses::Column::FirstStatus,
 556                        project_repository_statuses::Column::SecondStatus,
 557                    ])
 558                    .to_owned(),
 559                )
 560                .exec(&*tx)
 561                .await?;
 562            }
 563
 564            let has_any_removed_statuses = !update.removed_statuses.is_empty();
 565
 566            if has_any_removed_statuses {
 567                project_repository_statuses::Entity::update_many()
 568                    .filter(
 569                        project_repository_statuses::Column::ProjectId
 570                            .eq(project_id)
 571                            .and(
 572                                project_repository_statuses::Column::RepositoryId.eq(repository_id),
 573                            )
 574                            .and(
 575                                project_repository_statuses::Column::RepoPath
 576                                    .is_in(update.removed_statuses.iter()),
 577                            ),
 578                    )
 579                    .set(project_repository_statuses::ActiveModel {
 580                        is_deleted: ActiveValue::Set(true),
 581                        scan_id: ActiveValue::Set(update.scan_id as i64),
 582                        ..Default::default()
 583                    })
 584                    .exec(&*tx)
 585                    .await?;
 586            }
 587
 588            let connection_ids = self.project_guest_connection_ids(project_id, &tx).await?;
 589            Ok(connection_ids)
 590        })
 591        .await
 592    }
 593
 594    pub async fn remove_repository(
 595        &self,
 596        remove: &proto::RemoveRepository,
 597        _connection: ConnectionId,
 598    ) -> Result<TransactionGuard<Vec<ConnectionId>>> {
 599        let project_id = ProjectId::from_proto(remove.project_id);
 600        let repository_id = remove.id as i64;
 601        self.project_transaction(project_id, |tx| async move {
 602            project_repository::Entity::update_many()
 603                .filter(
 604                    project_repository::Column::ProjectId
 605                        .eq(project_id)
 606                        .and(project_repository::Column::Id.eq(repository_id)),
 607                )
 608                .set(project_repository::ActiveModel {
 609                    is_deleted: ActiveValue::Set(true),
 610                    // scan_id: ActiveValue::Set(update.scan_id as i64),
 611                    ..Default::default()
 612                })
 613                .exec(&*tx)
 614                .await?;
 615
 616            let connection_ids = self.project_guest_connection_ids(project_id, &tx).await?;
 617            Ok(connection_ids)
 618        })
 619        .await
 620    }
 621
 622    /// Updates the diagnostic summary for the given connection.
 623    pub async fn update_diagnostic_summary(
 624        &self,
 625        update: &proto::UpdateDiagnosticSummary,
 626        connection: ConnectionId,
 627    ) -> Result<TransactionGuard<Vec<ConnectionId>>> {
 628        let project_id = ProjectId::from_proto(update.project_id);
 629        let worktree_id = update.worktree_id as i64;
 630        self.project_transaction(project_id, |tx| async move {
 631            let summary = update.summary.as_ref().context("invalid summary")?;
 632
 633            // Ensure the update comes from the host.
 634            let project = project::Entity::find_by_id(project_id)
 635                .one(&*tx)
 636                .await?
 637                .context("no such project")?;
 638            if project.host_connection()? != connection {
 639                return Err(anyhow!("can't update a project hosted by someone else"))?;
 640            }
 641
 642            // Update summary.
 643            worktree_diagnostic_summary::Entity::insert(worktree_diagnostic_summary::ActiveModel {
 644                project_id: ActiveValue::set(project_id),
 645                worktree_id: ActiveValue::set(worktree_id),
 646                path: ActiveValue::set(summary.path.clone()),
 647                language_server_id: ActiveValue::set(summary.language_server_id as i64),
 648                error_count: ActiveValue::set(summary.error_count as i32),
 649                warning_count: ActiveValue::set(summary.warning_count as i32),
 650            })
 651            .on_conflict(
 652                OnConflict::columns([
 653                    worktree_diagnostic_summary::Column::ProjectId,
 654                    worktree_diagnostic_summary::Column::WorktreeId,
 655                    worktree_diagnostic_summary::Column::Path,
 656                ])
 657                .update_columns([
 658                    worktree_diagnostic_summary::Column::LanguageServerId,
 659                    worktree_diagnostic_summary::Column::ErrorCount,
 660                    worktree_diagnostic_summary::Column::WarningCount,
 661                ])
 662                .to_owned(),
 663            )
 664            .exec(&*tx)
 665            .await?;
 666
 667            let connection_ids = self.project_guest_connection_ids(project_id, &tx).await?;
 668            Ok(connection_ids)
 669        })
 670        .await
 671    }
 672
 673    /// Starts the language server for the given connection.
 674    pub async fn start_language_server(
 675        &self,
 676        update: &proto::StartLanguageServer,
 677        connection: ConnectionId,
 678    ) -> Result<TransactionGuard<Vec<ConnectionId>>> {
 679        let project_id = ProjectId::from_proto(update.project_id);
 680        self.project_transaction(project_id, |tx| async move {
 681            let server = update.server.as_ref().context("invalid language server")?;
 682
 683            // Ensure the update comes from the host.
 684            let project = project::Entity::find_by_id(project_id)
 685                .one(&*tx)
 686                .await?
 687                .context("no such project")?;
 688            if project.host_connection()? != connection {
 689                return Err(anyhow!("can't update a project hosted by someone else"))?;
 690            }
 691
 692            // Add the newly-started language server.
 693            language_server::Entity::insert(language_server::ActiveModel {
 694                project_id: ActiveValue::set(project_id),
 695                id: ActiveValue::set(server.id as i64),
 696                name: ActiveValue::set(server.name.clone()),
 697                capabilities: ActiveValue::set(update.capabilities.clone()),
 698            })
 699            .on_conflict(
 700                OnConflict::columns([
 701                    language_server::Column::ProjectId,
 702                    language_server::Column::Id,
 703                ])
 704                .update_columns([
 705                    language_server::Column::Name,
 706                    language_server::Column::Capabilities,
 707                ])
 708                .to_owned(),
 709            )
 710            .exec(&*tx)
 711            .await?;
 712
 713            let connection_ids = self.project_guest_connection_ids(project_id, &tx).await?;
 714            Ok(connection_ids)
 715        })
 716        .await
 717    }
 718
 719    /// Updates the worktree settings for the given connection.
 720    pub async fn update_worktree_settings(
 721        &self,
 722        update: &proto::UpdateWorktreeSettings,
 723        connection: ConnectionId,
 724    ) -> Result<TransactionGuard<Vec<ConnectionId>>> {
 725        let project_id = ProjectId::from_proto(update.project_id);
 726        let kind = match update.kind {
 727            Some(kind) => proto::LocalSettingsKind::from_i32(kind)
 728                .with_context(|| format!("unknown worktree settings kind: {kind}"))?,
 729            None => proto::LocalSettingsKind::Settings,
 730        };
 731        let kind = LocalSettingsKind::from_proto(kind);
 732        self.project_transaction(project_id, |tx| async move {
 733            // Ensure the update comes from the host.
 734            let project = project::Entity::find_by_id(project_id)
 735                .one(&*tx)
 736                .await?
 737                .context("no such project")?;
 738            if project.host_connection()? != connection {
 739                return Err(anyhow!("can't update a project hosted by someone else"))?;
 740            }
 741
 742            if let Some(content) = &update.content {
 743                worktree_settings_file::Entity::insert(worktree_settings_file::ActiveModel {
 744                    project_id: ActiveValue::Set(project_id),
 745                    worktree_id: ActiveValue::Set(update.worktree_id as i64),
 746                    path: ActiveValue::Set(update.path.clone()),
 747                    content: ActiveValue::Set(content.clone()),
 748                    kind: ActiveValue::Set(kind),
 749                })
 750                .on_conflict(
 751                    OnConflict::columns([
 752                        worktree_settings_file::Column::ProjectId,
 753                        worktree_settings_file::Column::WorktreeId,
 754                        worktree_settings_file::Column::Path,
 755                    ])
 756                    .update_column(worktree_settings_file::Column::Content)
 757                    .to_owned(),
 758                )
 759                .exec(&*tx)
 760                .await?;
 761            } else {
 762                worktree_settings_file::Entity::delete(worktree_settings_file::ActiveModel {
 763                    project_id: ActiveValue::Set(project_id),
 764                    worktree_id: ActiveValue::Set(update.worktree_id as i64),
 765                    path: ActiveValue::Set(update.path.clone()),
 766                    ..Default::default()
 767                })
 768                .exec(&*tx)
 769                .await?;
 770            }
 771
 772            let connection_ids = self.project_guest_connection_ids(project_id, &tx).await?;
 773            Ok(connection_ids)
 774        })
 775        .await
 776    }
 777
 778    pub async fn get_project(&self, id: ProjectId) -> Result<project::Model> {
 779        self.transaction(|tx| async move {
 780            Ok(project::Entity::find_by_id(id)
 781                .one(&*tx)
 782                .await?
 783                .context("no such project")?)
 784        })
 785        .await
 786    }
 787
 788    /// Adds the given connection to the specified project
 789    /// in the current room.
 790    pub async fn join_project(
 791        &self,
 792        project_id: ProjectId,
 793        connection: ConnectionId,
 794        user_id: UserId,
 795        committer_name: Option<String>,
 796        committer_email: Option<String>,
 797    ) -> Result<TransactionGuard<(Project, ReplicaId)>> {
 798        self.project_transaction(project_id, move |tx| {
 799            let committer_name = committer_name.clone();
 800            let committer_email = committer_email.clone();
 801            async move {
 802                let (project, role) = self
 803                    .access_project(project_id, connection, Capability::ReadOnly, &tx)
 804                    .await?;
 805                self.join_project_internal(
 806                    project,
 807                    user_id,
 808                    committer_name,
 809                    committer_email,
 810                    connection,
 811                    role,
 812                    &tx,
 813                )
 814                .await
 815            }
 816        })
 817        .await
 818    }
 819
 820    async fn join_project_internal(
 821        &self,
 822        project: project::Model,
 823        user_id: UserId,
 824        committer_name: Option<String>,
 825        committer_email: Option<String>,
 826        connection: ConnectionId,
 827        role: ChannelRole,
 828        tx: &DatabaseTransaction,
 829    ) -> Result<(Project, ReplicaId)> {
 830        let mut collaborators = project
 831            .find_related(project_collaborator::Entity)
 832            .all(tx)
 833            .await?;
 834        let replica_ids = collaborators
 835            .iter()
 836            .map(|c| c.replica_id)
 837            .collect::<HashSet<_>>();
 838        let mut replica_id = ReplicaId(1);
 839        while replica_ids.contains(&replica_id) {
 840            replica_id.0 += 1;
 841        }
 842        let new_collaborator = project_collaborator::ActiveModel {
 843            project_id: ActiveValue::set(project.id),
 844            connection_id: ActiveValue::set(connection.id as i32),
 845            connection_server_id: ActiveValue::set(ServerId(connection.owner_id as i32)),
 846            user_id: ActiveValue::set(user_id),
 847            replica_id: ActiveValue::set(replica_id),
 848            is_host: ActiveValue::set(false),
 849            id: ActiveValue::NotSet,
 850            committer_name: ActiveValue::set(committer_name),
 851            committer_email: ActiveValue::set(committer_email),
 852        }
 853        .insert(tx)
 854        .await?;
 855        collaborators.push(new_collaborator);
 856
 857        let db_worktrees = project.find_related(worktree::Entity).all(tx).await?;
 858        let mut worktrees = db_worktrees
 859            .into_iter()
 860            .map(|db_worktree| {
 861                (
 862                    db_worktree.id as u64,
 863                    Worktree {
 864                        id: db_worktree.id as u64,
 865                        abs_path: db_worktree.abs_path,
 866                        root_name: db_worktree.root_name,
 867                        visible: db_worktree.visible,
 868                        entries: Default::default(),
 869                        diagnostic_summaries: Default::default(),
 870                        settings_files: Default::default(),
 871                        scan_id: db_worktree.scan_id as u64,
 872                        completed_scan_id: db_worktree.completed_scan_id as u64,
 873                        legacy_repository_entries: Default::default(),
 874                    },
 875                )
 876            })
 877            .collect::<BTreeMap<_, _>>();
 878
 879        // Populate worktree entries.
 880        {
 881            let mut db_entries = worktree_entry::Entity::find()
 882                .filter(
 883                    Condition::all()
 884                        .add(worktree_entry::Column::ProjectId.eq(project.id))
 885                        .add(worktree_entry::Column::IsDeleted.eq(false)),
 886                )
 887                .stream(tx)
 888                .await?;
 889            while let Some(db_entry) = db_entries.next().await {
 890                let db_entry = db_entry?;
 891                if let Some(worktree) = worktrees.get_mut(&(db_entry.worktree_id as u64)) {
 892                    worktree.entries.push(proto::Entry {
 893                        id: db_entry.id as u64,
 894                        is_dir: db_entry.is_dir,
 895                        path: db_entry.path,
 896                        inode: db_entry.inode as u64,
 897                        mtime: Some(proto::Timestamp {
 898                            seconds: db_entry.mtime_seconds as u64,
 899                            nanos: db_entry.mtime_nanos as u32,
 900                        }),
 901                        canonical_path: db_entry.canonical_path,
 902                        is_ignored: db_entry.is_ignored,
 903                        is_external: db_entry.is_external,
 904                        // This is only used in the summarization backlog, so if it's None,
 905                        // that just means we won't be able to detect when to resummarize
 906                        // based on total number of backlogged bytes - instead, we'd go
 907                        // on number of files only. That shouldn't be a huge deal in practice.
 908                        size: None,
 909                        is_fifo: db_entry.is_fifo,
 910                    });
 911                }
 912            }
 913        }
 914
 915        // Populate repository entries.
 916        let mut repositories = Vec::new();
 917        {
 918            let db_repository_entries = project_repository::Entity::find()
 919                .filter(
 920                    Condition::all()
 921                        .add(project_repository::Column::ProjectId.eq(project.id))
 922                        .add(project_repository::Column::IsDeleted.eq(false)),
 923                )
 924                .all(tx)
 925                .await?;
 926            for db_repository_entry in db_repository_entries {
 927                let mut repository_statuses = project_repository_statuses::Entity::find()
 928                    .filter(
 929                        Condition::all()
 930                            .add(project_repository_statuses::Column::ProjectId.eq(project.id))
 931                            .add(
 932                                project_repository_statuses::Column::RepositoryId
 933                                    .eq(db_repository_entry.id),
 934                            )
 935                            .add(project_repository_statuses::Column::IsDeleted.eq(false)),
 936                    )
 937                    .stream(tx)
 938                    .await?;
 939                let mut updated_statuses = Vec::new();
 940                while let Some(status_entry) = repository_statuses.next().await {
 941                    let status_entry = status_entry?;
 942                    updated_statuses.push(db_status_to_proto(status_entry)?);
 943                }
 944
 945                let current_merge_conflicts = db_repository_entry
 946                    .current_merge_conflicts
 947                    .as_ref()
 948                    .map(|conflicts| serde_json::from_str(conflicts))
 949                    .transpose()?
 950                    .unwrap_or_default();
 951
 952                let branch_summary = db_repository_entry
 953                    .branch_summary
 954                    .as_ref()
 955                    .map(|branch_summary| serde_json::from_str(branch_summary))
 956                    .transpose()?
 957                    .unwrap_or_default();
 958
 959                let head_commit_details = db_repository_entry
 960                    .head_commit_details
 961                    .as_ref()
 962                    .map(|head_commit_details| serde_json::from_str(head_commit_details))
 963                    .transpose()?
 964                    .unwrap_or_default();
 965
 966                let entry_ids = serde_json::from_str(&db_repository_entry.entry_ids)
 967                    .context("failed to deserialize repository's entry ids")?;
 968
 969                if let Some(worktree_id) = db_repository_entry.legacy_worktree_id {
 970                    if let Some(worktree) = worktrees.get_mut(&(worktree_id as u64)) {
 971                        worktree.legacy_repository_entries.insert(
 972                            db_repository_entry.id as u64,
 973                            proto::RepositoryEntry {
 974                                repository_id: db_repository_entry.id as u64,
 975                                updated_statuses,
 976                                removed_statuses: Vec::new(),
 977                                current_merge_conflicts,
 978                                branch_summary,
 979                            },
 980                        );
 981                    }
 982                } else {
 983                    repositories.push(proto::UpdateRepository {
 984                        project_id: db_repository_entry.project_id.0 as u64,
 985                        id: db_repository_entry.id as u64,
 986                        abs_path: db_repository_entry.abs_path,
 987                        entry_ids,
 988                        updated_statuses,
 989                        removed_statuses: Vec::new(),
 990                        current_merge_conflicts,
 991                        branch_summary,
 992                        head_commit_details,
 993                        scan_id: db_repository_entry.scan_id as u64,
 994                        is_last_update: true,
 995                        merge_message: db_repository_entry.merge_message,
 996                    });
 997                }
 998            }
 999        }
1000
1001        // Populate worktree diagnostic summaries.
1002        {
1003            let mut db_summaries = worktree_diagnostic_summary::Entity::find()
1004                .filter(worktree_diagnostic_summary::Column::ProjectId.eq(project.id))
1005                .stream(tx)
1006                .await?;
1007            while let Some(db_summary) = db_summaries.next().await {
1008                let db_summary = db_summary?;
1009                if let Some(worktree) = worktrees.get_mut(&(db_summary.worktree_id as u64)) {
1010                    worktree
1011                        .diagnostic_summaries
1012                        .push(proto::DiagnosticSummary {
1013                            path: db_summary.path,
1014                            language_server_id: db_summary.language_server_id as u64,
1015                            error_count: db_summary.error_count as u32,
1016                            warning_count: db_summary.warning_count as u32,
1017                        });
1018                }
1019            }
1020        }
1021
1022        // Populate worktree settings files
1023        {
1024            let mut db_settings_files = worktree_settings_file::Entity::find()
1025                .filter(worktree_settings_file::Column::ProjectId.eq(project.id))
1026                .stream(tx)
1027                .await?;
1028            while let Some(db_settings_file) = db_settings_files.next().await {
1029                let db_settings_file = db_settings_file?;
1030                if let Some(worktree) = worktrees.get_mut(&(db_settings_file.worktree_id as u64)) {
1031                    worktree.settings_files.push(WorktreeSettingsFile {
1032                        path: db_settings_file.path,
1033                        content: db_settings_file.content,
1034                        kind: db_settings_file.kind,
1035                    });
1036                }
1037            }
1038        }
1039
1040        // Populate language servers.
1041        let language_servers = project
1042            .find_related(language_server::Entity)
1043            .all(tx)
1044            .await?;
1045
1046        let project = Project {
1047            id: project.id,
1048            role,
1049            collaborators: collaborators
1050                .into_iter()
1051                .map(|collaborator| ProjectCollaborator {
1052                    connection_id: collaborator.connection(),
1053                    user_id: collaborator.user_id,
1054                    replica_id: collaborator.replica_id,
1055                    is_host: collaborator.is_host,
1056                    committer_name: collaborator.committer_name,
1057                    committer_email: collaborator.committer_email,
1058                })
1059                .collect(),
1060            worktrees,
1061            repositories,
1062            language_servers: language_servers
1063                .into_iter()
1064                .map(|language_server| LanguageServer {
1065                    server: proto::LanguageServer {
1066                        id: language_server.id as u64,
1067                        name: language_server.name,
1068                        worktree_id: None,
1069                    },
1070                    capabilities: language_server.capabilities,
1071                })
1072                .collect(),
1073        };
1074        Ok((project, replica_id as ReplicaId))
1075    }
1076
1077    /// Removes the given connection from the specified project.
1078    pub async fn leave_project(
1079        &self,
1080        project_id: ProjectId,
1081        connection: ConnectionId,
1082    ) -> Result<TransactionGuard<(Option<proto::Room>, LeftProject)>> {
1083        self.project_transaction(project_id, |tx| async move {
1084            let result = project_collaborator::Entity::delete_many()
1085                .filter(
1086                    Condition::all()
1087                        .add(project_collaborator::Column::ProjectId.eq(project_id))
1088                        .add(project_collaborator::Column::ConnectionId.eq(connection.id as i32))
1089                        .add(
1090                            project_collaborator::Column::ConnectionServerId
1091                                .eq(connection.owner_id as i32),
1092                        ),
1093                )
1094                .exec(&*tx)
1095                .await?;
1096            if result.rows_affected == 0 {
1097                Err(anyhow!("not a collaborator on this project"))?;
1098            }
1099
1100            let project = project::Entity::find_by_id(project_id)
1101                .one(&*tx)
1102                .await?
1103                .context("no such project")?;
1104            let collaborators = project
1105                .find_related(project_collaborator::Entity)
1106                .all(&*tx)
1107                .await?;
1108            let connection_ids: Vec<ConnectionId> = collaborators
1109                .into_iter()
1110                .map(|collaborator| collaborator.connection())
1111                .collect();
1112
1113            follower::Entity::delete_many()
1114                .filter(
1115                    Condition::any()
1116                        .add(
1117                            Condition::all()
1118                                .add(follower::Column::ProjectId.eq(Some(project_id)))
1119                                .add(
1120                                    follower::Column::LeaderConnectionServerId
1121                                        .eq(connection.owner_id),
1122                                )
1123                                .add(follower::Column::LeaderConnectionId.eq(connection.id)),
1124                        )
1125                        .add(
1126                            Condition::all()
1127                                .add(follower::Column::ProjectId.eq(Some(project_id)))
1128                                .add(
1129                                    follower::Column::FollowerConnectionServerId
1130                                        .eq(connection.owner_id),
1131                                )
1132                                .add(follower::Column::FollowerConnectionId.eq(connection.id)),
1133                        ),
1134                )
1135                .exec(&*tx)
1136                .await?;
1137
1138            let room = if let Some(room_id) = project.room_id {
1139                Some(self.get_room(room_id, &tx).await?)
1140            } else {
1141                None
1142            };
1143
1144            let left_project = LeftProject {
1145                id: project_id,
1146                should_unshare: connection == project.host_connection()?,
1147                connection_ids,
1148            };
1149            Ok((room, left_project))
1150        })
1151        .await
1152    }
1153
1154    pub async fn check_user_is_project_host(
1155        &self,
1156        project_id: ProjectId,
1157        connection_id: ConnectionId,
1158    ) -> Result<()> {
1159        self.project_transaction(project_id, |tx| async move {
1160            project::Entity::find()
1161                .filter(
1162                    Condition::all()
1163                        .add(project::Column::Id.eq(project_id))
1164                        .add(project::Column::HostConnectionId.eq(Some(connection_id.id as i32)))
1165                        .add(
1166                            project::Column::HostConnectionServerId
1167                                .eq(Some(connection_id.owner_id as i32)),
1168                        ),
1169                )
1170                .one(&*tx)
1171                .await?
1172                .context("failed to read project host")?;
1173
1174            Ok(())
1175        })
1176        .await
1177        .map(|guard| guard.into_inner())
1178    }
1179
1180    /// Returns the current project if the given user is authorized to access it with the specified capability.
1181    pub async fn access_project(
1182        &self,
1183        project_id: ProjectId,
1184        connection_id: ConnectionId,
1185        capability: Capability,
1186        tx: &DatabaseTransaction,
1187    ) -> Result<(project::Model, ChannelRole)> {
1188        let project = project::Entity::find_by_id(project_id)
1189            .one(tx)
1190            .await?
1191            .context("no such project")?;
1192
1193        let role_from_room = if let Some(room_id) = project.room_id {
1194            room_participant::Entity::find()
1195                .filter(room_participant::Column::RoomId.eq(room_id))
1196                .filter(room_participant::Column::AnsweringConnectionId.eq(connection_id.id))
1197                .one(tx)
1198                .await?
1199                .and_then(|participant| participant.role)
1200        } else {
1201            None
1202        };
1203
1204        let role = role_from_room.unwrap_or(ChannelRole::Banned);
1205
1206        match capability {
1207            Capability::ReadWrite => {
1208                if !role.can_edit_projects() {
1209                    return Err(anyhow!("not authorized to edit projects"))?;
1210                }
1211            }
1212            Capability::ReadOnly => {
1213                if !role.can_read_projects() {
1214                    return Err(anyhow!("not authorized to read projects"))?;
1215                }
1216            }
1217        }
1218
1219        Ok((project, role))
1220    }
1221
1222    /// Returns the host connection for a read-only request to join a shared project.
1223    pub async fn host_for_read_only_project_request(
1224        &self,
1225        project_id: ProjectId,
1226        connection_id: ConnectionId,
1227    ) -> Result<ConnectionId> {
1228        self.project_transaction(project_id, |tx| async move {
1229            let (project, _) = self
1230                .access_project(project_id, connection_id, Capability::ReadOnly, &tx)
1231                .await?;
1232            project.host_connection()
1233        })
1234        .await
1235        .map(|guard| guard.into_inner())
1236    }
1237
1238    /// Returns the host connection for a request to join a shared project.
1239    pub async fn host_for_mutating_project_request(
1240        &self,
1241        project_id: ProjectId,
1242        connection_id: ConnectionId,
1243    ) -> Result<ConnectionId> {
1244        self.project_transaction(project_id, |tx| async move {
1245            let (project, _) = self
1246                .access_project(project_id, connection_id, Capability::ReadWrite, &tx)
1247                .await?;
1248            project.host_connection()
1249        })
1250        .await
1251        .map(|guard| guard.into_inner())
1252    }
1253
1254    pub async fn connections_for_buffer_update(
1255        &self,
1256        project_id: ProjectId,
1257        connection_id: ConnectionId,
1258        capability: Capability,
1259    ) -> Result<TransactionGuard<(ConnectionId, Vec<ConnectionId>)>> {
1260        self.project_transaction(project_id, |tx| async move {
1261            // Authorize
1262            let (project, _) = self
1263                .access_project(project_id, connection_id, capability, &tx)
1264                .await?;
1265
1266            let host_connection_id = project.host_connection()?;
1267
1268            let collaborators = project_collaborator::Entity::find()
1269                .filter(project_collaborator::Column::ProjectId.eq(project_id))
1270                .all(&*tx)
1271                .await?;
1272
1273            let guest_connection_ids = collaborators
1274                .into_iter()
1275                .filter_map(|collaborator| {
1276                    if collaborator.is_host {
1277                        None
1278                    } else {
1279                        Some(collaborator.connection())
1280                    }
1281                })
1282                .collect();
1283
1284            Ok((host_connection_id, guest_connection_ids))
1285        })
1286        .await
1287    }
1288
1289    /// Returns the connection IDs in the given project.
1290    ///
1291    /// The provided `connection_id` must also be a collaborator in the project,
1292    /// otherwise an error will be returned.
1293    pub async fn project_connection_ids(
1294        &self,
1295        project_id: ProjectId,
1296        connection_id: ConnectionId,
1297        exclude_dev_server: bool,
1298    ) -> Result<TransactionGuard<HashSet<ConnectionId>>> {
1299        self.project_transaction(project_id, |tx| async move {
1300            self.internal_project_connection_ids(project_id, connection_id, exclude_dev_server, &tx)
1301                .await
1302        })
1303        .await
1304    }
1305
1306    async fn internal_project_connection_ids(
1307        &self,
1308        project_id: ProjectId,
1309        connection_id: ConnectionId,
1310        exclude_dev_server: bool,
1311        tx: &DatabaseTransaction,
1312    ) -> Result<HashSet<ConnectionId>> {
1313        let project = project::Entity::find_by_id(project_id)
1314            .one(tx)
1315            .await?
1316            .context("no such project")?;
1317
1318        let mut collaborators = project_collaborator::Entity::find()
1319            .filter(project_collaborator::Column::ProjectId.eq(project_id))
1320            .stream(tx)
1321            .await?;
1322
1323        let mut connection_ids = HashSet::default();
1324        if let Some(host_connection) = project.host_connection().log_err()
1325            && !exclude_dev_server
1326        {
1327            connection_ids.insert(host_connection);
1328        }
1329
1330        while let Some(collaborator) = collaborators.next().await {
1331            let collaborator = collaborator?;
1332            connection_ids.insert(collaborator.connection());
1333        }
1334
1335        if connection_ids.contains(&connection_id)
1336            || Some(connection_id) == project.host_connection().ok()
1337        {
1338            Ok(connection_ids)
1339        } else {
1340            Err(anyhow!(
1341                "can only send project updates to a project you're in"
1342            ))?
1343        }
1344    }
1345
1346    async fn project_guest_connection_ids(
1347        &self,
1348        project_id: ProjectId,
1349        tx: &DatabaseTransaction,
1350    ) -> Result<Vec<ConnectionId>> {
1351        let mut collaborators = project_collaborator::Entity::find()
1352            .filter(
1353                project_collaborator::Column::ProjectId
1354                    .eq(project_id)
1355                    .and(project_collaborator::Column::IsHost.eq(false)),
1356            )
1357            .stream(tx)
1358            .await?;
1359
1360        let mut guest_connection_ids = Vec::new();
1361        while let Some(collaborator) = collaborators.next().await {
1362            let collaborator = collaborator?;
1363            guest_connection_ids.push(collaborator.connection());
1364        }
1365        Ok(guest_connection_ids)
1366    }
1367
1368    /// Returns the [`RoomId`] for the given project.
1369    pub async fn room_id_for_project(&self, project_id: ProjectId) -> Result<Option<RoomId>> {
1370        self.transaction(|tx| async move {
1371            Ok(project::Entity::find_by_id(project_id)
1372                .one(&*tx)
1373                .await?
1374                .and_then(|project| project.room_id))
1375        })
1376        .await
1377    }
1378
1379    pub async fn check_room_participants(
1380        &self,
1381        room_id: RoomId,
1382        leader_id: ConnectionId,
1383        follower_id: ConnectionId,
1384    ) -> Result<()> {
1385        self.transaction(|tx| async move {
1386            use room_participant::Column;
1387
1388            let count = room_participant::Entity::find()
1389                .filter(
1390                    Condition::all().add(Column::RoomId.eq(room_id)).add(
1391                        Condition::any()
1392                            .add(Column::AnsweringConnectionId.eq(leader_id.id as i32).and(
1393                                Column::AnsweringConnectionServerId.eq(leader_id.owner_id as i32),
1394                            ))
1395                            .add(Column::AnsweringConnectionId.eq(follower_id.id as i32).and(
1396                                Column::AnsweringConnectionServerId.eq(follower_id.owner_id as i32),
1397                            )),
1398                    ),
1399                )
1400                .count(&*tx)
1401                .await?;
1402
1403            if count < 2 {
1404                Err(anyhow!("not room participants"))?;
1405            }
1406
1407            Ok(())
1408        })
1409        .await
1410    }
1411
1412    /// Adds the given follower connection as a follower of the given leader connection.
1413    pub async fn follow(
1414        &self,
1415        room_id: RoomId,
1416        project_id: ProjectId,
1417        leader_connection: ConnectionId,
1418        follower_connection: ConnectionId,
1419    ) -> Result<TransactionGuard<proto::Room>> {
1420        self.room_transaction(room_id, |tx| async move {
1421            follower::ActiveModel {
1422                room_id: ActiveValue::set(room_id),
1423                project_id: ActiveValue::set(project_id),
1424                leader_connection_server_id: ActiveValue::set(ServerId(
1425                    leader_connection.owner_id as i32,
1426                )),
1427                leader_connection_id: ActiveValue::set(leader_connection.id as i32),
1428                follower_connection_server_id: ActiveValue::set(ServerId(
1429                    follower_connection.owner_id as i32,
1430                )),
1431                follower_connection_id: ActiveValue::set(follower_connection.id as i32),
1432                ..Default::default()
1433            }
1434            .insert(&*tx)
1435            .await?;
1436
1437            let room = self.get_room(room_id, &tx).await?;
1438            Ok(room)
1439        })
1440        .await
1441    }
1442
1443    /// Removes the given follower connection as a follower of the given leader connection.
1444    pub async fn unfollow(
1445        &self,
1446        room_id: RoomId,
1447        project_id: ProjectId,
1448        leader_connection: ConnectionId,
1449        follower_connection: ConnectionId,
1450    ) -> Result<TransactionGuard<proto::Room>> {
1451        self.room_transaction(room_id, |tx| async move {
1452            follower::Entity::delete_many()
1453                .filter(
1454                    Condition::all()
1455                        .add(follower::Column::RoomId.eq(room_id))
1456                        .add(follower::Column::ProjectId.eq(project_id))
1457                        .add(
1458                            follower::Column::LeaderConnectionServerId
1459                                .eq(leader_connection.owner_id),
1460                        )
1461                        .add(follower::Column::LeaderConnectionId.eq(leader_connection.id))
1462                        .add(
1463                            follower::Column::FollowerConnectionServerId
1464                                .eq(follower_connection.owner_id),
1465                        )
1466                        .add(follower::Column::FollowerConnectionId.eq(follower_connection.id)),
1467                )
1468                .exec(&*tx)
1469                .await?;
1470
1471            let room = self.get_room(room_id, &tx).await?;
1472            Ok(room)
1473        })
1474        .await
1475    }
1476}