db.rs

   1use crate::{Error, Result};
   2use anyhow::anyhow;
   3use axum::http::StatusCode;
   4use collections::{BTreeMap, HashMap, HashSet};
   5use futures::{future::BoxFuture, FutureExt, StreamExt};
   6use rpc::{proto, ConnectionId};
   7use serde::{Deserialize, Serialize};
   8use sqlx::{
   9    migrate::{Migrate as _, Migration, MigrationSource},
  10    types::Uuid,
  11    FromRow,
  12};
  13use std::{future::Future, path::Path, time::Duration};
  14use time::{OffsetDateTime, PrimitiveDateTime};
  15
  16#[cfg(test)]
  17pub type DefaultDb = Db<sqlx::Sqlite>;
  18
  19#[cfg(not(test))]
  20pub type DefaultDb = Db<sqlx::Postgres>;
  21
  22pub struct Db<D: sqlx::Database> {
  23    pool: sqlx::Pool<D>,
  24    #[cfg(test)]
  25    background: Option<std::sync::Arc<gpui::executor::Background>>,
  26    #[cfg(test)]
  27    runtime: Option<tokio::runtime::Runtime>,
  28}
  29
  30pub trait BeginTransaction: Send + Sync {
  31    type Database: sqlx::Database;
  32
  33    fn begin_transaction(&self) -> BoxFuture<Result<sqlx::Transaction<'static, Self::Database>>>;
  34}
  35
  36// In Postgres, serializable transactions are opt-in
  37impl BeginTransaction for Db<sqlx::Postgres> {
  38    type Database = sqlx::Postgres;
  39
  40    fn begin_transaction(&self) -> BoxFuture<Result<sqlx::Transaction<'static, sqlx::Postgres>>> {
  41        async move {
  42            let mut tx = self.pool.begin().await?;
  43            sqlx::Executor::execute(&mut tx, "SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;")
  44                .await?;
  45            Ok(tx)
  46        }
  47        .boxed()
  48    }
  49}
  50
  51// In Sqlite, transactions are inherently serializable.
  52impl BeginTransaction for Db<sqlx::Sqlite> {
  53    type Database = sqlx::Sqlite;
  54
  55    fn begin_transaction(&self) -> BoxFuture<Result<sqlx::Transaction<'static, sqlx::Sqlite>>> {
  56        async move { Ok(self.pool.begin().await?) }.boxed()
  57    }
  58}
  59
  60pub trait RowsAffected {
  61    fn rows_affected(&self) -> u64;
  62}
  63
  64#[cfg(test)]
  65impl RowsAffected for sqlx::sqlite::SqliteQueryResult {
  66    fn rows_affected(&self) -> u64 {
  67        self.rows_affected()
  68    }
  69}
  70
  71impl RowsAffected for sqlx::postgres::PgQueryResult {
  72    fn rows_affected(&self) -> u64 {
  73        self.rows_affected()
  74    }
  75}
  76
  77#[cfg(test)]
  78impl Db<sqlx::Sqlite> {
  79    pub async fn new(url: &str, max_connections: u32) -> Result<Self> {
  80        use std::str::FromStr as _;
  81        let options = sqlx::sqlite::SqliteConnectOptions::from_str(url)
  82            .unwrap()
  83            .create_if_missing(true)
  84            .shared_cache(true);
  85        let pool = sqlx::sqlite::SqlitePoolOptions::new()
  86            .min_connections(2)
  87            .max_connections(max_connections)
  88            .connect_with(options)
  89            .await?;
  90        Ok(Self {
  91            pool,
  92            background: None,
  93            runtime: None,
  94        })
  95    }
  96
  97    pub async fn get_users_by_ids(&self, ids: Vec<UserId>) -> Result<Vec<User>> {
  98        self.transact(|tx| async {
  99            let mut tx = tx;
 100            let query = "
 101                SELECT users.*
 102                FROM users
 103                WHERE users.id IN (SELECT value from json_each($1))
 104            ";
 105            Ok(sqlx::query_as(query)
 106                .bind(&serde_json::json!(ids))
 107                .fetch_all(&mut tx)
 108                .await?)
 109        })
 110        .await
 111    }
 112
 113    pub async fn get_user_metrics_id(&self, id: UserId) -> Result<String> {
 114        self.transact(|mut tx| async move {
 115            let query = "
 116                SELECT metrics_id
 117                FROM users
 118                WHERE id = $1
 119            ";
 120            Ok(sqlx::query_scalar(query)
 121                .bind(id)
 122                .fetch_one(&mut tx)
 123                .await?)
 124        })
 125        .await
 126    }
 127
 128    pub async fn create_user(
 129        &self,
 130        email_address: &str,
 131        admin: bool,
 132        params: NewUserParams,
 133    ) -> Result<NewUserResult> {
 134        self.transact(|mut tx| async {
 135            let query = "
 136                INSERT INTO users (email_address, github_login, github_user_id, admin, metrics_id)
 137                VALUES ($1, $2, $3, $4, $5)
 138                ON CONFLICT (github_login) DO UPDATE SET github_login = excluded.github_login
 139                RETURNING id, metrics_id
 140            ";
 141
 142            let (user_id, metrics_id): (UserId, String) = sqlx::query_as(query)
 143                .bind(email_address)
 144                .bind(&params.github_login)
 145                .bind(&params.github_user_id)
 146                .bind(admin)
 147                .bind(Uuid::new_v4().to_string())
 148                .fetch_one(&mut tx)
 149                .await?;
 150            tx.commit().await?;
 151            Ok(NewUserResult {
 152                user_id,
 153                metrics_id,
 154                signup_device_id: None,
 155                inviting_user_id: None,
 156            })
 157        })
 158        .await
 159    }
 160
 161    pub async fn fuzzy_search_users(&self, _name_query: &str, _limit: u32) -> Result<Vec<User>> {
 162        unimplemented!()
 163    }
 164
 165    pub async fn create_user_from_invite(
 166        &self,
 167        _invite: &Invite,
 168        _user: NewUserParams,
 169    ) -> Result<Option<NewUserResult>> {
 170        unimplemented!()
 171    }
 172
 173    pub async fn create_signup(&self, _signup: Signup) -> Result<()> {
 174        unimplemented!()
 175    }
 176
 177    pub async fn create_invite_from_code(
 178        &self,
 179        _code: &str,
 180        _email_address: &str,
 181        _device_id: Option<&str>,
 182    ) -> Result<Invite> {
 183        unimplemented!()
 184    }
 185
 186    pub async fn record_sent_invites(&self, _invites: &[Invite]) -> Result<()> {
 187        unimplemented!()
 188    }
 189}
 190
 191impl Db<sqlx::Postgres> {
 192    pub async fn new(url: &str, max_connections: u32) -> Result<Self> {
 193        let pool = sqlx::postgres::PgPoolOptions::new()
 194            .max_connections(max_connections)
 195            .connect(url)
 196            .await?;
 197        Ok(Self {
 198            pool,
 199            #[cfg(test)]
 200            background: None,
 201            #[cfg(test)]
 202            runtime: None,
 203        })
 204    }
 205
 206    #[cfg(test)]
 207    pub fn teardown(&self, url: &str) {
 208        self.runtime.as_ref().unwrap().block_on(async {
 209            use util::ResultExt;
 210            let query = "
 211                SELECT pg_terminate_backend(pg_stat_activity.pid)
 212                FROM pg_stat_activity
 213                WHERE pg_stat_activity.datname = current_database() AND pid <> pg_backend_pid();
 214            ";
 215            sqlx::query(query).execute(&self.pool).await.log_err();
 216            self.pool.close().await;
 217            <sqlx::Sqlite as sqlx::migrate::MigrateDatabase>::drop_database(url)
 218                .await
 219                .log_err();
 220        })
 221    }
 222
 223    pub async fn fuzzy_search_users(&self, name_query: &str, limit: u32) -> Result<Vec<User>> {
 224        self.transact(|tx| async {
 225            let mut tx = tx;
 226            let like_string = Self::fuzzy_like_string(name_query);
 227            let query = "
 228                SELECT users.*
 229                FROM users
 230                WHERE github_login ILIKE $1
 231                ORDER BY github_login <-> $2
 232                LIMIT $3
 233            ";
 234            Ok(sqlx::query_as(query)
 235                .bind(like_string)
 236                .bind(name_query)
 237                .bind(limit as i32)
 238                .fetch_all(&mut tx)
 239                .await?)
 240        })
 241        .await
 242    }
 243
 244    pub async fn get_users_by_ids(&self, ids: Vec<UserId>) -> Result<Vec<User>> {
 245        let ids = ids.iter().map(|id| id.0).collect::<Vec<_>>();
 246        self.transact(|tx| async {
 247            let mut tx = tx;
 248            let query = "
 249                SELECT users.*
 250                FROM users
 251                WHERE users.id = ANY ($1)
 252            ";
 253            Ok(sqlx::query_as(query).bind(&ids).fetch_all(&mut tx).await?)
 254        })
 255        .await
 256    }
 257
 258    pub async fn get_user_metrics_id(&self, id: UserId) -> Result<String> {
 259        self.transact(|mut tx| async move {
 260            let query = "
 261                SELECT metrics_id::text
 262                FROM users
 263                WHERE id = $1
 264            ";
 265            Ok(sqlx::query_scalar(query)
 266                .bind(id)
 267                .fetch_one(&mut tx)
 268                .await?)
 269        })
 270        .await
 271    }
 272
 273    pub async fn create_user(
 274        &self,
 275        email_address: &str,
 276        admin: bool,
 277        params: NewUserParams,
 278    ) -> Result<NewUserResult> {
 279        self.transact(|mut tx| async {
 280            let query = "
 281                INSERT INTO users (email_address, github_login, github_user_id, admin)
 282                VALUES ($1, $2, $3, $4)
 283                ON CONFLICT (github_login) DO UPDATE SET github_login = excluded.github_login
 284                RETURNING id, metrics_id::text
 285            ";
 286
 287            let (user_id, metrics_id): (UserId, String) = sqlx::query_as(query)
 288                .bind(email_address)
 289                .bind(&params.github_login)
 290                .bind(params.github_user_id)
 291                .bind(admin)
 292                .fetch_one(&mut tx)
 293                .await?;
 294            tx.commit().await?;
 295
 296            Ok(NewUserResult {
 297                user_id,
 298                metrics_id,
 299                signup_device_id: None,
 300                inviting_user_id: None,
 301            })
 302        })
 303        .await
 304    }
 305
 306    pub async fn create_user_from_invite(
 307        &self,
 308        invite: &Invite,
 309        user: NewUserParams,
 310    ) -> Result<Option<NewUserResult>> {
 311        self.transact(|mut tx| async {
 312            let (signup_id, existing_user_id, inviting_user_id, signup_device_id): (
 313                i32,
 314                Option<UserId>,
 315                Option<UserId>,
 316                Option<String>,
 317            ) = sqlx::query_as(
 318                "
 319                SELECT id, user_id, inviting_user_id, device_id
 320                FROM signups
 321                WHERE
 322                    email_address = $1 AND
 323                    email_confirmation_code = $2
 324                ",
 325            )
 326            .bind(&invite.email_address)
 327            .bind(&invite.email_confirmation_code)
 328            .fetch_optional(&mut tx)
 329            .await?
 330            .ok_or_else(|| Error::Http(StatusCode::NOT_FOUND, "no such invite".to_string()))?;
 331
 332            if existing_user_id.is_some() {
 333                return Ok(None);
 334            }
 335
 336            let (user_id, metrics_id): (UserId, String) = sqlx::query_as(
 337                "
 338                INSERT INTO users
 339                (email_address, github_login, github_user_id, admin, invite_count, invite_code)
 340                VALUES
 341                ($1, $2, $3, FALSE, $4, $5)
 342                ON CONFLICT (github_login) DO UPDATE SET
 343                    email_address = excluded.email_address,
 344                    github_user_id = excluded.github_user_id,
 345                    admin = excluded.admin
 346                RETURNING id, metrics_id::text
 347                ",
 348            )
 349            .bind(&invite.email_address)
 350            .bind(&user.github_login)
 351            .bind(&user.github_user_id)
 352            .bind(&user.invite_count)
 353            .bind(random_invite_code())
 354            .fetch_one(&mut tx)
 355            .await?;
 356
 357            sqlx::query(
 358                "
 359                UPDATE signups
 360                SET user_id = $1
 361                WHERE id = $2
 362                ",
 363            )
 364            .bind(&user_id)
 365            .bind(&signup_id)
 366            .execute(&mut tx)
 367            .await?;
 368
 369            if let Some(inviting_user_id) = inviting_user_id {
 370                let id: Option<UserId> = sqlx::query_scalar(
 371                    "
 372                    UPDATE users
 373                    SET invite_count = invite_count - 1
 374                    WHERE id = $1 AND invite_count > 0
 375                    RETURNING id
 376                    ",
 377                )
 378                .bind(&inviting_user_id)
 379                .fetch_optional(&mut tx)
 380                .await?;
 381
 382                if id.is_none() {
 383                    Err(Error::Http(
 384                        StatusCode::UNAUTHORIZED,
 385                        "no invites remaining".to_string(),
 386                    ))?;
 387                }
 388
 389                sqlx::query(
 390                    "
 391                    INSERT INTO contacts
 392                        (user_id_a, user_id_b, a_to_b, should_notify, accepted)
 393                    VALUES
 394                        ($1, $2, TRUE, TRUE, TRUE)
 395                    ON CONFLICT DO NOTHING
 396                    ",
 397                )
 398                .bind(inviting_user_id)
 399                .bind(user_id)
 400                .execute(&mut tx)
 401                .await?;
 402            }
 403
 404            tx.commit().await?;
 405            Ok(Some(NewUserResult {
 406                user_id,
 407                metrics_id,
 408                inviting_user_id,
 409                signup_device_id,
 410            }))
 411        })
 412        .await
 413    }
 414
 415    pub async fn create_signup(&self, signup: Signup) -> Result<()> {
 416        self.transact(|mut tx| async {
 417            sqlx::query(
 418                "
 419                INSERT INTO signups
 420                (
 421                    email_address,
 422                    email_confirmation_code,
 423                    email_confirmation_sent,
 424                    platform_linux,
 425                    platform_mac,
 426                    platform_windows,
 427                    platform_unknown,
 428                    editor_features,
 429                    programming_languages,
 430                    device_id
 431                )
 432                VALUES
 433                    ($1, $2, FALSE, $3, $4, $5, FALSE, $6, $7, $8)
 434                RETURNING id
 435                ",
 436            )
 437            .bind(&signup.email_address)
 438            .bind(&random_email_confirmation_code())
 439            .bind(&signup.platform_linux)
 440            .bind(&signup.platform_mac)
 441            .bind(&signup.platform_windows)
 442            .bind(&signup.editor_features)
 443            .bind(&signup.programming_languages)
 444            .bind(&signup.device_id)
 445            .execute(&mut tx)
 446            .await?;
 447            tx.commit().await?;
 448            Ok(())
 449        })
 450        .await
 451    }
 452
 453    pub async fn create_invite_from_code(
 454        &self,
 455        code: &str,
 456        email_address: &str,
 457        device_id: Option<&str>,
 458    ) -> Result<Invite> {
 459        self.transact(|mut tx| async {
 460            let existing_user: Option<UserId> = sqlx::query_scalar(
 461                "
 462                SELECT id
 463                FROM users
 464                WHERE email_address = $1
 465                ",
 466            )
 467            .bind(email_address)
 468            .fetch_optional(&mut tx)
 469            .await?;
 470            if existing_user.is_some() {
 471                Err(anyhow!("email address is already in use"))?;
 472            }
 473
 474            let row: Option<(UserId, i32)> = sqlx::query_as(
 475                "
 476                SELECT id, invite_count
 477                FROM users
 478                WHERE invite_code = $1
 479                ",
 480            )
 481            .bind(code)
 482            .fetch_optional(&mut tx)
 483            .await?;
 484
 485            let (inviter_id, invite_count) = match row {
 486                Some(row) => row,
 487                None => Err(Error::Http(
 488                    StatusCode::NOT_FOUND,
 489                    "invite code not found".to_string(),
 490                ))?,
 491            };
 492
 493            if invite_count == 0 {
 494                Err(Error::Http(
 495                    StatusCode::UNAUTHORIZED,
 496                    "no invites remaining".to_string(),
 497                ))?;
 498            }
 499
 500            let email_confirmation_code: String = sqlx::query_scalar(
 501                "
 502                INSERT INTO signups
 503                (
 504                    email_address,
 505                    email_confirmation_code,
 506                    email_confirmation_sent,
 507                    inviting_user_id,
 508                    platform_linux,
 509                    platform_mac,
 510                    platform_windows,
 511                    platform_unknown,
 512                    device_id
 513                )
 514                VALUES
 515                    ($1, $2, FALSE, $3, FALSE, FALSE, FALSE, TRUE, $4)
 516                ON CONFLICT (email_address)
 517                DO UPDATE SET
 518                    inviting_user_id = excluded.inviting_user_id
 519                RETURNING email_confirmation_code
 520                ",
 521            )
 522            .bind(&email_address)
 523            .bind(&random_email_confirmation_code())
 524            .bind(&inviter_id)
 525            .bind(&device_id)
 526            .fetch_one(&mut tx)
 527            .await?;
 528
 529            tx.commit().await?;
 530
 531            Ok(Invite {
 532                email_address: email_address.into(),
 533                email_confirmation_code,
 534            })
 535        })
 536        .await
 537    }
 538
 539    pub async fn record_sent_invites(&self, invites: &[Invite]) -> Result<()> {
 540        self.transact(|mut tx| async {
 541            let emails = invites
 542                .iter()
 543                .map(|s| s.email_address.as_str())
 544                .collect::<Vec<_>>();
 545            sqlx::query(
 546                "
 547                UPDATE signups
 548                SET email_confirmation_sent = TRUE
 549                WHERE email_address = ANY ($1)
 550                ",
 551            )
 552            .bind(&emails)
 553            .execute(&mut tx)
 554            .await?;
 555            tx.commit().await?;
 556            Ok(())
 557        })
 558        .await
 559    }
 560}
 561
 562impl<D> Db<D>
 563where
 564    Self: BeginTransaction<Database = D>,
 565    D: sqlx::Database + sqlx::migrate::MigrateDatabase,
 566    D::Connection: sqlx::migrate::Migrate,
 567    for<'a> <D as sqlx::database::HasArguments<'a>>::Arguments: sqlx::IntoArguments<'a, D>,
 568    for<'a> &'a mut D::Connection: sqlx::Executor<'a, Database = D>,
 569    for<'a, 'b> &'b mut sqlx::Transaction<'a, D>: sqlx::Executor<'b, Database = D>,
 570    D::QueryResult: RowsAffected,
 571    String: sqlx::Type<D>,
 572    i32: sqlx::Type<D>,
 573    i64: sqlx::Type<D>,
 574    bool: sqlx::Type<D>,
 575    str: sqlx::Type<D>,
 576    Uuid: sqlx::Type<D>,
 577    sqlx::types::Json<serde_json::Value>: sqlx::Type<D>,
 578    OffsetDateTime: sqlx::Type<D>,
 579    PrimitiveDateTime: sqlx::Type<D>,
 580    usize: sqlx::ColumnIndex<D::Row>,
 581    for<'a> &'a str: sqlx::ColumnIndex<D::Row>,
 582    for<'a> &'a str: sqlx::Encode<'a, D> + sqlx::Decode<'a, D>,
 583    for<'a> String: sqlx::Encode<'a, D> + sqlx::Decode<'a, D>,
 584    for<'a> Option<String>: sqlx::Encode<'a, D> + sqlx::Decode<'a, D>,
 585    for<'a> Option<&'a str>: sqlx::Encode<'a, D> + sqlx::Decode<'a, D>,
 586    for<'a> i32: sqlx::Encode<'a, D> + sqlx::Decode<'a, D>,
 587    for<'a> i64: sqlx::Encode<'a, D> + sqlx::Decode<'a, D>,
 588    for<'a> bool: sqlx::Encode<'a, D> + sqlx::Decode<'a, D>,
 589    for<'a> Uuid: sqlx::Encode<'a, D> + sqlx::Decode<'a, D>,
 590    for<'a> Option<ProjectId>: sqlx::Encode<'a, D> + sqlx::Decode<'a, D>,
 591    for<'a> sqlx::types::JsonValue: sqlx::Encode<'a, D> + sqlx::Decode<'a, D>,
 592    for<'a> OffsetDateTime: sqlx::Encode<'a, D> + sqlx::Decode<'a, D>,
 593    for<'a> PrimitiveDateTime: sqlx::Decode<'a, D> + sqlx::Decode<'a, D>,
 594{
 595    pub async fn migrate(
 596        &self,
 597        migrations_path: &Path,
 598        ignore_checksum_mismatch: bool,
 599    ) -> anyhow::Result<Vec<(Migration, Duration)>> {
 600        let migrations = MigrationSource::resolve(migrations_path)
 601            .await
 602            .map_err(|err| anyhow!("failed to load migrations: {err:?}"))?;
 603
 604        let mut conn = self.pool.acquire().await?;
 605
 606        conn.ensure_migrations_table().await?;
 607        let applied_migrations: HashMap<_, _> = conn
 608            .list_applied_migrations()
 609            .await?
 610            .into_iter()
 611            .map(|m| (m.version, m))
 612            .collect();
 613
 614        let mut new_migrations = Vec::new();
 615        for migration in migrations {
 616            match applied_migrations.get(&migration.version) {
 617                Some(applied_migration) => {
 618                    if migration.checksum != applied_migration.checksum && !ignore_checksum_mismatch
 619                    {
 620                        Err(anyhow!(
 621                            "checksum mismatch for applied migration {}",
 622                            migration.description
 623                        ))?;
 624                    }
 625                }
 626                None => {
 627                    let elapsed = conn.apply(&migration).await?;
 628                    new_migrations.push((migration, elapsed));
 629                }
 630            }
 631        }
 632
 633        Ok(new_migrations)
 634    }
 635
 636    pub fn fuzzy_like_string(string: &str) -> String {
 637        let mut result = String::with_capacity(string.len() * 2 + 1);
 638        for c in string.chars() {
 639            if c.is_alphanumeric() {
 640                result.push('%');
 641                result.push(c);
 642            }
 643        }
 644        result.push('%');
 645        result
 646    }
 647
 648    // users
 649
 650    pub async fn get_all_users(&self, page: u32, limit: u32) -> Result<Vec<User>> {
 651        self.transact(|tx| async {
 652            let mut tx = tx;
 653            let query = "SELECT * FROM users ORDER BY github_login ASC LIMIT $1 OFFSET $2";
 654            Ok(sqlx::query_as(query)
 655                .bind(limit as i32)
 656                .bind((page * limit) as i32)
 657                .fetch_all(&mut tx)
 658                .await?)
 659        })
 660        .await
 661    }
 662
 663    pub async fn get_user_by_id(&self, id: UserId) -> Result<Option<User>> {
 664        self.transact(|tx| async {
 665            let mut tx = tx;
 666            let query = "
 667                SELECT users.*
 668                FROM users
 669                WHERE id = $1
 670                LIMIT 1
 671            ";
 672            Ok(sqlx::query_as(query)
 673                .bind(&id)
 674                .fetch_optional(&mut tx)
 675                .await?)
 676        })
 677        .await
 678    }
 679
 680    pub async fn get_users_with_no_invites(
 681        &self,
 682        invited_by_another_user: bool,
 683    ) -> Result<Vec<User>> {
 684        self.transact(|tx| async {
 685            let mut tx = tx;
 686            let query = format!(
 687                "
 688                SELECT users.*
 689                FROM users
 690                WHERE invite_count = 0
 691                AND inviter_id IS{} NULL
 692                ",
 693                if invited_by_another_user { " NOT" } else { "" }
 694            );
 695
 696            Ok(sqlx::query_as(&query).fetch_all(&mut tx).await?)
 697        })
 698        .await
 699    }
 700
 701    pub async fn get_user_by_github_account(
 702        &self,
 703        github_login: &str,
 704        github_user_id: Option<i32>,
 705    ) -> Result<Option<User>> {
 706        self.transact(|tx| async {
 707            let mut tx = tx;
 708            if let Some(github_user_id) = github_user_id {
 709                let mut user = sqlx::query_as::<_, User>(
 710                    "
 711                    UPDATE users
 712                    SET github_login = $1
 713                    WHERE github_user_id = $2
 714                    RETURNING *
 715                    ",
 716                )
 717                .bind(github_login)
 718                .bind(github_user_id)
 719                .fetch_optional(&mut tx)
 720                .await?;
 721
 722                if user.is_none() {
 723                    user = sqlx::query_as::<_, User>(
 724                        "
 725                        UPDATE users
 726                        SET github_user_id = $1
 727                        WHERE github_login = $2
 728                        RETURNING *
 729                        ",
 730                    )
 731                    .bind(github_user_id)
 732                    .bind(github_login)
 733                    .fetch_optional(&mut tx)
 734                    .await?;
 735                }
 736
 737                Ok(user)
 738            } else {
 739                let user = sqlx::query_as(
 740                    "
 741                    SELECT * FROM users
 742                    WHERE github_login = $1
 743                    LIMIT 1
 744                    ",
 745                )
 746                .bind(github_login)
 747                .fetch_optional(&mut tx)
 748                .await?;
 749                Ok(user)
 750            }
 751        })
 752        .await
 753    }
 754
 755    pub async fn set_user_is_admin(&self, id: UserId, is_admin: bool) -> Result<()> {
 756        self.transact(|mut tx| async {
 757            let query = "UPDATE users SET admin = $1 WHERE id = $2";
 758            sqlx::query(query)
 759                .bind(is_admin)
 760                .bind(id.0)
 761                .execute(&mut tx)
 762                .await?;
 763            tx.commit().await?;
 764            Ok(())
 765        })
 766        .await
 767    }
 768
 769    pub async fn set_user_connected_once(&self, id: UserId, connected_once: bool) -> Result<()> {
 770        self.transact(|mut tx| async move {
 771            let query = "UPDATE users SET connected_once = $1 WHERE id = $2";
 772            sqlx::query(query)
 773                .bind(connected_once)
 774                .bind(id.0)
 775                .execute(&mut tx)
 776                .await?;
 777            tx.commit().await?;
 778            Ok(())
 779        })
 780        .await
 781    }
 782
 783    pub async fn destroy_user(&self, id: UserId) -> Result<()> {
 784        self.transact(|mut tx| async move {
 785            let query = "DELETE FROM access_tokens WHERE user_id = $1;";
 786            sqlx::query(query)
 787                .bind(id.0)
 788                .execute(&mut tx)
 789                .await
 790                .map(drop)?;
 791            let query = "DELETE FROM users WHERE id = $1;";
 792            sqlx::query(query).bind(id.0).execute(&mut tx).await?;
 793            tx.commit().await?;
 794            Ok(())
 795        })
 796        .await
 797    }
 798
 799    // signups
 800
 801    pub async fn get_waitlist_summary(&self) -> Result<WaitlistSummary> {
 802        self.transact(|mut tx| async move {
 803            Ok(sqlx::query_as(
 804                "
 805                SELECT
 806                    COUNT(*) as count,
 807                    COALESCE(SUM(CASE WHEN platform_linux THEN 1 ELSE 0 END), 0) as linux_count,
 808                    COALESCE(SUM(CASE WHEN platform_mac THEN 1 ELSE 0 END), 0) as mac_count,
 809                    COALESCE(SUM(CASE WHEN platform_windows THEN 1 ELSE 0 END), 0) as windows_count,
 810                    COALESCE(SUM(CASE WHEN platform_unknown THEN 1 ELSE 0 END), 0) as unknown_count
 811                FROM (
 812                    SELECT *
 813                    FROM signups
 814                    WHERE
 815                        NOT email_confirmation_sent
 816                ) AS unsent
 817                ",
 818            )
 819            .fetch_one(&mut tx)
 820            .await?)
 821        })
 822        .await
 823    }
 824
 825    pub async fn get_unsent_invites(&self, count: usize) -> Result<Vec<Invite>> {
 826        self.transact(|mut tx| async move {
 827            Ok(sqlx::query_as(
 828                "
 829                SELECT
 830                    email_address, email_confirmation_code
 831                FROM signups
 832                WHERE
 833                    NOT email_confirmation_sent AND
 834                    (platform_mac OR platform_unknown)
 835                LIMIT $1
 836                ",
 837            )
 838            .bind(count as i32)
 839            .fetch_all(&mut tx)
 840            .await?)
 841        })
 842        .await
 843    }
 844
 845    // invite codes
 846
 847    pub async fn set_invite_count_for_user(&self, id: UserId, count: u32) -> Result<()> {
 848        self.transact(|mut tx| async move {
 849            if count > 0 {
 850                sqlx::query(
 851                    "
 852                    UPDATE users
 853                    SET invite_code = $1
 854                    WHERE id = $2 AND invite_code IS NULL
 855                ",
 856                )
 857                .bind(random_invite_code())
 858                .bind(id)
 859                .execute(&mut tx)
 860                .await?;
 861            }
 862
 863            sqlx::query(
 864                "
 865                UPDATE users
 866                SET invite_count = $1
 867                WHERE id = $2
 868                ",
 869            )
 870            .bind(count as i32)
 871            .bind(id)
 872            .execute(&mut tx)
 873            .await?;
 874            tx.commit().await?;
 875            Ok(())
 876        })
 877        .await
 878    }
 879
 880    pub async fn get_invite_code_for_user(&self, id: UserId) -> Result<Option<(String, u32)>> {
 881        self.transact(|mut tx| async move {
 882            let result: Option<(String, i32)> = sqlx::query_as(
 883                "
 884                    SELECT invite_code, invite_count
 885                    FROM users
 886                    WHERE id = $1 AND invite_code IS NOT NULL 
 887                ",
 888            )
 889            .bind(id)
 890            .fetch_optional(&mut tx)
 891            .await?;
 892            if let Some((code, count)) = result {
 893                Ok(Some((code, count.try_into().map_err(anyhow::Error::new)?)))
 894            } else {
 895                Ok(None)
 896            }
 897        })
 898        .await
 899    }
 900
 901    pub async fn get_user_for_invite_code(&self, code: &str) -> Result<User> {
 902        self.transact(|tx| async {
 903            let mut tx = tx;
 904            sqlx::query_as(
 905                "
 906                    SELECT *
 907                    FROM users
 908                    WHERE invite_code = $1
 909                ",
 910            )
 911            .bind(code)
 912            .fetch_optional(&mut tx)
 913            .await?
 914            .ok_or_else(|| {
 915                Error::Http(
 916                    StatusCode::NOT_FOUND,
 917                    "that invite code does not exist".to_string(),
 918                )
 919            })
 920        })
 921        .await
 922    }
 923
 924    pub async fn create_room(
 925        &self,
 926        user_id: UserId,
 927        connection_id: ConnectionId,
 928    ) -> Result<proto::Room> {
 929        self.transact(|mut tx| async move {
 930            let live_kit_room = nanoid::nanoid!(30);
 931            let room_id = sqlx::query_scalar(
 932                "
 933                INSERT INTO rooms (live_kit_room, version)
 934                VALUES ($1, $2)
 935                RETURNING id
 936                ",
 937            )
 938            .bind(&live_kit_room)
 939            .bind(0)
 940            .fetch_one(&mut tx)
 941            .await
 942            .map(RoomId)?;
 943
 944            sqlx::query(
 945                "
 946                INSERT INTO room_participants (room_id, user_id, answering_connection_id, calling_user_id, calling_connection_id)
 947                VALUES ($1, $2, $3, $4, $5)
 948                ",
 949            )
 950            .bind(room_id)
 951            .bind(user_id)
 952            .bind(connection_id.0 as i32)
 953            .bind(user_id)
 954            .bind(connection_id.0 as i32)
 955            .execute(&mut tx)
 956            .await?;
 957
 958            self.commit_room_transaction(room_id, tx).await
 959        }).await
 960    }
 961
 962    pub async fn call(
 963        &self,
 964        room_id: RoomId,
 965        calling_user_id: UserId,
 966        calling_connection_id: ConnectionId,
 967        called_user_id: UserId,
 968        initial_project_id: Option<ProjectId>,
 969    ) -> Result<(proto::Room, proto::IncomingCall)> {
 970        self.transact(|mut tx| async move {
 971            sqlx::query(
 972                "
 973                INSERT INTO room_participants (room_id, user_id, calling_user_id, calling_connection_id, initial_project_id)
 974                VALUES ($1, $2, $3, $4, $5)
 975                ",
 976            )
 977            .bind(room_id)
 978            .bind(called_user_id)
 979            .bind(calling_user_id)
 980            .bind(calling_connection_id.0 as i32)
 981            .bind(initial_project_id)
 982            .execute(&mut tx)
 983            .await?;
 984
 985            let room = self.commit_room_transaction(room_id, tx).await?;
 986            let incoming_call = Self::build_incoming_call(&room, called_user_id)
 987                .ok_or_else(|| anyhow!("failed to build incoming call"))?;
 988            Ok((room, incoming_call))
 989        }).await
 990    }
 991
 992    pub async fn incoming_call_for_user(
 993        &self,
 994        user_id: UserId,
 995    ) -> Result<Option<proto::IncomingCall>> {
 996        self.transact(|mut tx| async move {
 997            let room_id = sqlx::query_scalar::<_, RoomId>(
 998                "
 999                SELECT room_id
1000                FROM room_participants
1001                WHERE user_id = $1 AND answering_connection_id IS NULL
1002                ",
1003            )
1004            .bind(user_id)
1005            .fetch_optional(&mut tx)
1006            .await?;
1007
1008            if let Some(room_id) = room_id {
1009                let room = self.get_room(room_id, &mut tx).await?;
1010                Ok(Self::build_incoming_call(&room, user_id))
1011            } else {
1012                Ok(None)
1013            }
1014        })
1015        .await
1016    }
1017
1018    fn build_incoming_call(
1019        room: &proto::Room,
1020        called_user_id: UserId,
1021    ) -> Option<proto::IncomingCall> {
1022        let pending_participant = room
1023            .pending_participants
1024            .iter()
1025            .find(|participant| participant.user_id == called_user_id.to_proto())?;
1026
1027        Some(proto::IncomingCall {
1028            room_id: room.id,
1029            calling_user_id: pending_participant.calling_user_id,
1030            participant_user_ids: room
1031                .participants
1032                .iter()
1033                .map(|participant| participant.user_id)
1034                .collect(),
1035            initial_project: room.participants.iter().find_map(|participant| {
1036                let initial_project_id = pending_participant.initial_project_id?;
1037                participant
1038                    .projects
1039                    .iter()
1040                    .find(|project| project.id == initial_project_id)
1041                    .cloned()
1042            }),
1043        })
1044    }
1045
1046    pub async fn call_failed(
1047        &self,
1048        room_id: RoomId,
1049        called_user_id: UserId,
1050    ) -> Result<proto::Room> {
1051        self.transact(|mut tx| async move {
1052            sqlx::query(
1053                "
1054                DELETE FROM room_participants
1055                WHERE room_id = $1 AND user_id = $2
1056                ",
1057            )
1058            .bind(room_id)
1059            .bind(called_user_id)
1060            .execute(&mut tx)
1061            .await?;
1062
1063            self.commit_room_transaction(room_id, tx).await
1064        })
1065        .await
1066    }
1067
1068    pub async fn decline_call(
1069        &self,
1070        expected_room_id: Option<RoomId>,
1071        user_id: UserId,
1072    ) -> Result<proto::Room> {
1073        self.transact(|mut tx| async move {
1074            let room_id = sqlx::query_scalar(
1075                "
1076                DELETE FROM room_participants
1077                WHERE user_id = $1 AND answering_connection_id IS NULL
1078                RETURNING room_id
1079                ",
1080            )
1081            .bind(user_id)
1082            .fetch_one(&mut tx)
1083            .await?;
1084            if expected_room_id.map_or(false, |expected_room_id| expected_room_id != room_id) {
1085                return Err(anyhow!("declining call on unexpected room"))?;
1086            }
1087
1088            self.commit_room_transaction(room_id, tx).await
1089        })
1090        .await
1091    }
1092
1093    pub async fn cancel_call(
1094        &self,
1095        expected_room_id: Option<RoomId>,
1096        calling_connection_id: ConnectionId,
1097        called_user_id: UserId,
1098    ) -> Result<proto::Room> {
1099        self.transact(|mut tx| async move {
1100            let room_id = sqlx::query_scalar(
1101                "
1102                DELETE FROM room_participants
1103                WHERE user_id = $1 AND calling_connection_id = $2 AND answering_connection_id IS NULL
1104                RETURNING room_id
1105                ",
1106            )
1107            .bind(called_user_id)
1108            .bind(calling_connection_id.0 as i32)
1109            .fetch_one(&mut tx)
1110            .await?;
1111            if expected_room_id.map_or(false, |expected_room_id| expected_room_id != room_id) {
1112                return Err(anyhow!("canceling call on unexpected room"))?;
1113            }
1114
1115            self.commit_room_transaction(room_id, tx).await
1116        }).await
1117    }
1118
1119    pub async fn join_room(
1120        &self,
1121        room_id: RoomId,
1122        user_id: UserId,
1123        connection_id: ConnectionId,
1124    ) -> Result<proto::Room> {
1125        self.transact(|mut tx| async move {
1126            sqlx::query(
1127                "
1128                UPDATE room_participants 
1129                SET answering_connection_id = $1
1130                WHERE room_id = $2 AND user_id = $3
1131                RETURNING 1
1132                ",
1133            )
1134            .bind(connection_id.0 as i32)
1135            .bind(room_id)
1136            .bind(user_id)
1137            .fetch_one(&mut tx)
1138            .await?;
1139            self.commit_room_transaction(room_id, tx).await
1140        })
1141        .await
1142    }
1143
1144    pub async fn leave_room_for_connection(
1145        &self,
1146        connection_id: ConnectionId,
1147    ) -> Result<Option<LeftRoom>> {
1148        self.transact(|mut tx| async move {
1149            // Leave room.
1150            let room_id = sqlx::query_scalar::<_, RoomId>(
1151                "
1152                DELETE FROM room_participants
1153                WHERE answering_connection_id = $1
1154                RETURNING room_id
1155                ",
1156            )
1157            .bind(connection_id.0 as i32)
1158            .fetch_optional(&mut tx)
1159            .await?;
1160
1161            if let Some(room_id) = room_id {
1162                // Cancel pending calls initiated by the leaving user.
1163                let canceled_calls_to_user_ids: Vec<UserId> = sqlx::query_scalar(
1164                    "
1165                    DELETE FROM room_participants
1166                    WHERE calling_connection_id = $1 AND answering_connection_id IS NULL
1167                    RETURNING user_id
1168                    ",
1169                )
1170                .bind(connection_id.0 as i32)
1171                .fetch_all(&mut tx)
1172                .await?;
1173
1174                let mut project_collaborators = sqlx::query_as::<_, ProjectCollaborator>(
1175                    "
1176                    SELECT project_collaborators.*
1177                    FROM projects, project_collaborators
1178                    WHERE
1179                        projects.room_id = $1 AND
1180                        projects.id = project_collaborators.project_id AND
1181                        project_collaborators.connection_id = $2
1182                    ",
1183                )
1184                .bind(room_id)
1185                .bind(connection_id.0 as i32)
1186                .fetch(&mut tx);
1187
1188                let mut left_projects = HashMap::default();
1189                while let Some(collaborator) = project_collaborators.next().await {
1190                    let collaborator = collaborator?;
1191                    let left_project =
1192                        left_projects
1193                            .entry(collaborator.project_id)
1194                            .or_insert(LeftProject {
1195                                id: collaborator.project_id,
1196                                host_user_id: Default::default(),
1197                                connection_ids: Default::default(),
1198                            });
1199
1200                    let collaborator_connection_id =
1201                        ConnectionId(collaborator.connection_id as u32);
1202                    if collaborator_connection_id != connection_id || collaborator.is_host {
1203                        left_project.connection_ids.push(collaborator_connection_id);
1204                    }
1205
1206                    if collaborator.is_host {
1207                        left_project.host_user_id = collaborator.user_id;
1208                    }
1209                }
1210                drop(project_collaborators);
1211
1212                sqlx::query(
1213                    "
1214                    DELETE FROM projects
1215                    WHERE room_id = $1 AND host_connection_id = $2
1216                    ",
1217                )
1218                .bind(room_id)
1219                .bind(connection_id.0 as i32)
1220                .execute(&mut tx)
1221                .await?;
1222
1223                let room = self.commit_room_transaction(room_id, tx).await?;
1224                Ok(Some(LeftRoom {
1225                    room,
1226                    left_projects,
1227                    canceled_calls_to_user_ids,
1228                }))
1229            } else {
1230                Ok(None)
1231            }
1232        })
1233        .await
1234    }
1235
1236    pub async fn update_room_participant_location(
1237        &self,
1238        room_id: RoomId,
1239        connection_id: ConnectionId,
1240        location: proto::ParticipantLocation,
1241    ) -> Result<proto::Room> {
1242        self.transact(|tx| async {
1243            let mut tx = tx;
1244            let location_kind;
1245            let location_project_id;
1246            match location
1247                .variant
1248                .as_ref()
1249                .ok_or_else(|| anyhow!("invalid location"))?
1250            {
1251                proto::participant_location::Variant::SharedProject(project) => {
1252                    location_kind = 0;
1253                    location_project_id = Some(ProjectId::from_proto(project.id));
1254                }
1255                proto::participant_location::Variant::UnsharedProject(_) => {
1256                    location_kind = 1;
1257                    location_project_id = None;
1258                }
1259                proto::participant_location::Variant::External(_) => {
1260                    location_kind = 2;
1261                    location_project_id = None;
1262                }
1263            }
1264
1265            sqlx::query(
1266                "
1267                UPDATE room_participants
1268                SET location_kind = $1 AND location_project_id = $2
1269                WHERE room_id = $3 AND answering_connection_id = $4
1270                ",
1271            )
1272            .bind(location_kind)
1273            .bind(location_project_id)
1274            .bind(room_id)
1275            .bind(connection_id.0 as i32)
1276            .execute(&mut tx)
1277            .await?;
1278
1279            self.commit_room_transaction(room_id, tx).await
1280        })
1281        .await
1282    }
1283
1284    async fn commit_room_transaction(
1285        &self,
1286        room_id: RoomId,
1287        mut tx: sqlx::Transaction<'_, D>,
1288    ) -> Result<proto::Room> {
1289        sqlx::query(
1290            "
1291            UPDATE rooms
1292            SET version = version + 1
1293            WHERE id = $1
1294            ",
1295        )
1296        .bind(room_id)
1297        .execute(&mut tx)
1298        .await?;
1299        let room = self.get_room(room_id, &mut tx).await?;
1300        tx.commit().await?;
1301
1302        Ok(room)
1303    }
1304
1305    async fn get_room(
1306        &self,
1307        room_id: RoomId,
1308        tx: &mut sqlx::Transaction<'_, D>,
1309    ) -> Result<proto::Room> {
1310        let room: Room = sqlx::query_as(
1311            "
1312            SELECT *
1313            FROM rooms
1314            WHERE id = $1
1315            ",
1316        )
1317        .bind(room_id)
1318        .fetch_one(&mut *tx)
1319        .await?;
1320
1321        let mut db_participants =
1322            sqlx::query_as::<_, (UserId, Option<i32>, Option<i32>, Option<ProjectId>, UserId, Option<ProjectId>)>(
1323                "
1324                SELECT user_id, answering_connection_id, location_kind, location_project_id, calling_user_id, initial_project_id
1325                FROM room_participants
1326                WHERE room_id = $1
1327                ",
1328            )
1329            .bind(room_id)
1330            .fetch(&mut *tx);
1331
1332        let mut participants = Vec::new();
1333        let mut pending_participants = Vec::new();
1334        while let Some(participant) = db_participants.next().await {
1335            let (
1336                user_id,
1337                answering_connection_id,
1338                _location_kind,
1339                _location_project_id,
1340                calling_user_id,
1341                initial_project_id,
1342            ) = participant?;
1343            if let Some(answering_connection_id) = answering_connection_id {
1344                participants.push(proto::Participant {
1345                    user_id: user_id.to_proto(),
1346                    peer_id: answering_connection_id as u32,
1347                    projects: Default::default(),
1348                    location: Some(proto::ParticipantLocation {
1349                        variant: Some(proto::participant_location::Variant::External(
1350                            Default::default(),
1351                        )),
1352                    }),
1353                });
1354            } else {
1355                pending_participants.push(proto::PendingParticipant {
1356                    user_id: user_id.to_proto(),
1357                    calling_user_id: calling_user_id.to_proto(),
1358                    initial_project_id: initial_project_id.map(|id| id.to_proto()),
1359                });
1360            }
1361        }
1362        drop(db_participants);
1363
1364        for participant in &mut participants {
1365            let mut entries = sqlx::query_as::<_, (ProjectId, String)>(
1366                "
1367                SELECT projects.id, worktrees.root_name
1368                FROM projects
1369                LEFT JOIN worktrees ON projects.id = worktrees.project_id
1370                WHERE room_id = $1 AND host_connection_id = $2
1371                ",
1372            )
1373            .bind(room_id)
1374            .bind(participant.peer_id as i32)
1375            .fetch(&mut *tx);
1376
1377            let mut projects = HashMap::default();
1378            while let Some(entry) = entries.next().await {
1379                let (project_id, worktree_root_name) = entry?;
1380                let participant_project =
1381                    projects
1382                        .entry(project_id)
1383                        .or_insert(proto::ParticipantProject {
1384                            id: project_id.to_proto(),
1385                            worktree_root_names: Default::default(),
1386                        });
1387                participant_project
1388                    .worktree_root_names
1389                    .push(worktree_root_name);
1390            }
1391
1392            participant.projects = projects.into_values().collect();
1393        }
1394        Ok(proto::Room {
1395            id: room.id.to_proto(),
1396            version: room.version as u64,
1397            live_kit_room: room.live_kit_room,
1398            participants,
1399            pending_participants,
1400        })
1401    }
1402
1403    // projects
1404
1405    pub async fn share_project(
1406        &self,
1407        expected_room_id: RoomId,
1408        connection_id: ConnectionId,
1409        worktrees: &[proto::WorktreeMetadata],
1410    ) -> Result<(ProjectId, proto::Room)> {
1411        self.transact(|mut tx| async move {
1412            let (room_id, user_id) = sqlx::query_as::<_, (RoomId, UserId)>(
1413                "
1414                SELECT room_id, user_id
1415                FROM room_participants
1416                WHERE answering_connection_id = $1
1417                ",
1418            )
1419            .bind(connection_id.0 as i32)
1420            .fetch_one(&mut tx)
1421            .await?;
1422            if room_id != expected_room_id {
1423                return Err(anyhow!("shared project on unexpected room"))?;
1424            }
1425
1426            let project_id: ProjectId = sqlx::query_scalar(
1427                "
1428                INSERT INTO projects (room_id, host_user_id, host_connection_id)
1429                VALUES ($1, $2, $3)
1430                RETURNING id
1431                ",
1432            )
1433            .bind(room_id)
1434            .bind(user_id)
1435            .bind(connection_id.0 as i32)
1436            .fetch_one(&mut tx)
1437            .await?;
1438
1439            for worktree in worktrees {
1440                sqlx::query(
1441                    "
1442                    INSERT INTO worktrees (project_id, id, root_name, abs_path, visible, scan_id, is_complete)
1443                    VALUES ($1, $2, $3, $4, $5, $6, $7)
1444                    ",
1445                )
1446                .bind(project_id)
1447                .bind(worktree.id as i32)
1448                .bind(&worktree.root_name)
1449                .bind(&worktree.abs_path)
1450                .bind(worktree.visible)
1451                .bind(0)
1452                .bind(false)
1453                .execute(&mut tx)
1454                .await?;
1455            }
1456
1457            sqlx::query(
1458                "
1459                INSERT INTO project_collaborators (
1460                    project_id,
1461                    connection_id,
1462                    user_id,
1463                    replica_id,
1464                    is_host
1465                )
1466                VALUES ($1, $2, $3, $4, $5)
1467                ",
1468            )
1469            .bind(project_id)
1470            .bind(connection_id.0 as i32)
1471            .bind(user_id)
1472            .bind(0)
1473            .bind(true)
1474            .execute(&mut tx)
1475            .await?;
1476
1477            let room = self.commit_room_transaction(room_id, tx).await?;
1478            Ok((project_id, room))
1479        })
1480        .await
1481    }
1482
1483    pub async fn update_project(
1484        &self,
1485        project_id: ProjectId,
1486        connection_id: ConnectionId,
1487        worktrees: &[proto::WorktreeMetadata],
1488    ) -> Result<(proto::Room, Vec<ConnectionId>)> {
1489        self.transact(|mut tx| async move {
1490            let room_id: RoomId = sqlx::query_scalar(
1491                "
1492                SELECT room_id
1493                FROM projects
1494                WHERE id = $1 AND host_connection_id = $2
1495                ",
1496            )
1497            .bind(project_id)
1498            .bind(connection_id.0 as i32)
1499            .fetch_one(&mut tx)
1500            .await?;
1501
1502            for worktree in worktrees {
1503                sqlx::query(
1504                    "
1505                    INSERT INTO worktrees (project_id, id, root_name, abs_path, visible, scan_id, is_complete)
1506                    VALUES ($1, $2, $3, $4, $5, $6, $7)
1507                    ON CONFLICT (project_id, id) DO UPDATE SET root_name = excluded.root_name
1508                    ",
1509                )
1510                .bind(project_id)
1511                .bind(worktree.id as i32)
1512                .bind(&worktree.root_name)
1513                .bind(&worktree.abs_path)
1514                .bind(worktree.visible)
1515                .bind(0)
1516                .bind(false)
1517                .execute(&mut tx)
1518                .await?;
1519            }
1520
1521            let mut params = "(?, ?),".repeat(worktrees.len());
1522            if !worktrees.is_empty() {
1523                params.pop();
1524            }
1525            let query = format!(
1526                "
1527                DELETE FROM worktrees
1528                WHERE (project_id, id) NOT IN ({params})
1529                ",
1530            );
1531
1532            let mut query = sqlx::query(&query);
1533            for worktree in worktrees {
1534                query = query.bind(project_id).bind(WorktreeId(worktree.id as i32));
1535            }
1536            query.execute(&mut tx).await?;
1537
1538            let mut guest_connection_ids = Vec::new();
1539            {
1540                let mut db_guest_connection_ids = sqlx::query_scalar::<_, i32>(
1541                    "
1542                    SELECT connection_id
1543                    FROM project_collaborators
1544                    WHERE project_id = $1 AND is_host = FALSE
1545                    ",
1546                )
1547                .fetch(&mut tx);
1548                while let Some(connection_id) = db_guest_connection_ids.next().await {
1549                    guest_connection_ids.push(ConnectionId(connection_id? as u32));
1550                }
1551            }
1552
1553            let room = self.commit_room_transaction(room_id, tx).await?;
1554            Ok((room, guest_connection_ids))
1555        })
1556        .await
1557    }
1558
1559    pub async fn update_worktree(
1560        &self,
1561        update: &proto::UpdateWorktree,
1562        connection_id: ConnectionId,
1563    ) -> Result<Vec<ConnectionId>> {
1564        self.transact(|mut tx| async move {
1565            let project_id = ProjectId::from_proto(update.project_id);
1566            let worktree_id = WorktreeId::from_proto(update.worktree_id);
1567
1568            // Ensure the update comes from the host.
1569            sqlx::query(
1570                "
1571                SELECT 1
1572                FROM projects
1573                WHERE id = $1 AND host_connection_id = $2
1574                ",
1575            )
1576            .bind(project_id)
1577            .bind(connection_id.0 as i32)
1578            .fetch_one(&mut tx)
1579            .await?;
1580
1581            // Update metadata.
1582            sqlx::query(
1583                "
1584                UPDATE worktrees
1585                SET
1586                    root_name = $1,
1587                    scan_id = $2,
1588                    is_complete = $3,
1589                    abs_path = $4
1590                WHERE project_id = $5 AND id = $6
1591                RETURNING 1
1592                ",
1593            )
1594            .bind(&update.root_name)
1595            .bind(update.scan_id as i64)
1596            .bind(update.is_last_update)
1597            .bind(&update.abs_path)
1598            .bind(project_id)
1599            .bind(worktree_id)
1600            .fetch_one(&mut tx)
1601            .await?;
1602
1603            if !update.updated_entries.is_empty() {
1604                let mut params =
1605                    "(?, ?, ?, ?, ?, ?, ?, ?, ?, ?),".repeat(update.updated_entries.len());
1606                params.pop();
1607
1608                let query = format!(
1609                    "
1610                    INSERT INTO worktree_entries (
1611                        project_id, 
1612                        worktree_id, 
1613                        id, 
1614                        is_dir, 
1615                        path, 
1616                        inode,
1617                        mtime_seconds, 
1618                        mtime_nanos, 
1619                        is_symlink, 
1620                        is_ignored
1621                    )
1622                    VALUES {params}
1623                    "
1624                );
1625                let mut query = sqlx::query(&query);
1626                for entry in &update.updated_entries {
1627                    let mtime = entry.mtime.clone().unwrap_or_default();
1628                    query = query
1629                        .bind(project_id)
1630                        .bind(worktree_id)
1631                        .bind(entry.id as i64)
1632                        .bind(entry.is_dir)
1633                        .bind(&entry.path)
1634                        .bind(entry.inode as i64)
1635                        .bind(mtime.seconds as i64)
1636                        .bind(mtime.nanos as i32)
1637                        .bind(entry.is_symlink)
1638                        .bind(entry.is_ignored);
1639                }
1640                query.execute(&mut tx).await?;
1641            }
1642
1643            if !update.removed_entries.is_empty() {
1644                let mut params = "(?, ?, ?),".repeat(update.removed_entries.len());
1645                params.pop();
1646                let query = format!(
1647                    "
1648                    DELETE FROM worktree_entries
1649                    WHERE (project_id, worktree_id, entry_id) IN ({params})
1650                    "
1651                );
1652
1653                let mut query = sqlx::query(&query);
1654                for entry_id in &update.removed_entries {
1655                    query = query
1656                        .bind(project_id)
1657                        .bind(worktree_id)
1658                        .bind(*entry_id as i64);
1659                }
1660                query.execute(&mut tx).await?;
1661            }
1662
1663            let connection_ids = sqlx::query_scalar::<_, i32>(
1664                "
1665                SELECT connection_id
1666                FROM project_collaborators
1667                WHERE project_id = $1 AND connection_id != $2
1668                ",
1669            )
1670            .bind(project_id)
1671            .bind(connection_id.0 as i32)
1672            .fetch_all(&mut tx)
1673            .await?;
1674
1675            tx.commit().await?;
1676
1677            Ok(connection_ids
1678                .into_iter()
1679                .map(|connection_id| ConnectionId(connection_id as u32))
1680                .collect())
1681        })
1682        .await
1683    }
1684
1685    pub async fn join_project(
1686        &self,
1687        project_id: ProjectId,
1688        connection_id: ConnectionId,
1689    ) -> Result<(Project, ReplicaId)> {
1690        self.transact(|mut tx| async move {
1691            let (room_id, user_id) = sqlx::query_as::<_, (RoomId, UserId)>(
1692                "
1693                SELECT room_id, user_id
1694                FROM room_participants
1695                WHERE answering_connection_id = $1
1696                ",
1697            )
1698            .bind(connection_id.0 as i32)
1699            .fetch_one(&mut tx)
1700            .await?;
1701
1702            // Ensure project id was shared on this room.
1703            sqlx::query(
1704                "
1705                SELECT 1
1706                FROM projects
1707                WHERE id = $1 AND room_id = $2
1708                ",
1709            )
1710            .bind(project_id)
1711            .bind(room_id)
1712            .fetch_one(&mut tx)
1713            .await?;
1714
1715            let mut collaborators = sqlx::query_as::<_, ProjectCollaborator>(
1716                "
1717                SELECT *
1718                FROM project_collaborators
1719                WHERE project_id = $1
1720                ",
1721            )
1722            .bind(project_id)
1723            .fetch_all(&mut tx)
1724            .await?;
1725            let replica_ids = collaborators
1726                .iter()
1727                .map(|c| c.replica_id)
1728                .collect::<HashSet<_>>();
1729            let mut replica_id = ReplicaId(1);
1730            while replica_ids.contains(&replica_id) {
1731                replica_id.0 += 1;
1732            }
1733            let new_collaborator = ProjectCollaborator {
1734                project_id,
1735                connection_id: connection_id.0 as i32,
1736                user_id,
1737                replica_id,
1738                is_host: false,
1739            };
1740
1741            sqlx::query(
1742                "
1743                INSERT INTO project_collaborators (
1744                    project_id,
1745                    connection_id,
1746                    user_id,
1747                    replica_id,
1748                    is_host
1749                )
1750                VALUES ($1, $2, $3, $4, $5)
1751                ",
1752            )
1753            .bind(new_collaborator.project_id)
1754            .bind(new_collaborator.connection_id)
1755            .bind(new_collaborator.user_id)
1756            .bind(new_collaborator.replica_id)
1757            .bind(new_collaborator.is_host)
1758            .execute(&mut tx)
1759            .await?;
1760            collaborators.push(new_collaborator);
1761
1762            let worktree_rows = sqlx::query_as::<_, WorktreeRow>(
1763                "
1764                SELECT *
1765                FROM worktrees
1766                WHERE project_id = $1
1767                ",
1768            )
1769            .bind(project_id)
1770            .fetch_all(&mut tx)
1771            .await?;
1772            let mut worktrees = worktree_rows
1773                .into_iter()
1774                .map(|worktree_row| {
1775                    (
1776                        worktree_row.id,
1777                        Worktree {
1778                            id: worktree_row.id,
1779                            abs_path: worktree_row.abs_path,
1780                            root_name: worktree_row.root_name,
1781                            visible: worktree_row.visible,
1782                            entries: Default::default(),
1783                            diagnostic_summaries: Default::default(),
1784                            scan_id: worktree_row.scan_id as u64,
1785                            is_complete: worktree_row.is_complete,
1786                        },
1787                    )
1788                })
1789                .collect::<BTreeMap<_, _>>();
1790
1791            let mut params = "(?, ?),".repeat(worktrees.len());
1792            if !worktrees.is_empty() {
1793                params.pop();
1794            }
1795
1796            // Populate worktree entries.
1797            {
1798                let query = format!(
1799                    "
1800                        SELECT *
1801                        FROM worktree_entries
1802                        WHERE (project_id, worktree_id) IN ({params})
1803                    ",
1804                );
1805                let mut entries = sqlx::query_as::<_, WorktreeEntry>(&query);
1806                for worktree_id in worktrees.keys() {
1807                    entries = entries.bind(project_id).bind(*worktree_id);
1808                }
1809                let mut entries = entries.fetch(&mut tx);
1810                while let Some(entry) = entries.next().await {
1811                    let entry = entry?;
1812                    if let Some(worktree) = worktrees.get_mut(&entry.worktree_id) {
1813                        worktree.entries.push(proto::Entry {
1814                            id: entry.id as u64,
1815                            is_dir: entry.is_dir,
1816                            path: entry.path,
1817                            inode: entry.inode as u64,
1818                            mtime: Some(proto::Timestamp {
1819                                seconds: entry.mtime_seconds as u64,
1820                                nanos: entry.mtime_nanos as u32,
1821                            }),
1822                            is_symlink: entry.is_symlink,
1823                            is_ignored: entry.is_ignored,
1824                        });
1825                    }
1826                }
1827            }
1828
1829            // Populate worktree diagnostic summaries.
1830            {
1831                let query = format!(
1832                    "
1833                        SELECT *
1834                        FROM worktree_diagnostic_summaries
1835                        WHERE (project_id, worktree_id) IN ({params})
1836                    ",
1837                );
1838                let mut summaries = sqlx::query_as::<_, WorktreeDiagnosticSummary>(&query);
1839                for worktree_id in worktrees.keys() {
1840                    summaries = summaries.bind(project_id).bind(*worktree_id);
1841                }
1842                let mut summaries = summaries.fetch(&mut tx);
1843                while let Some(summary) = summaries.next().await {
1844                    let summary = summary?;
1845                    if let Some(worktree) = worktrees.get_mut(&summary.worktree_id) {
1846                        worktree
1847                            .diagnostic_summaries
1848                            .push(proto::DiagnosticSummary {
1849                                path: summary.path,
1850                                language_server_id: summary.language_server_id as u64,
1851                                error_count: summary.error_count as u32,
1852                                warning_count: summary.warning_count as u32,
1853                            });
1854                    }
1855                }
1856            }
1857
1858            // Populate language servers.
1859            let language_servers = sqlx::query_as::<_, LanguageServer>(
1860                "
1861                SELECT *
1862                FROM language_servers
1863                WHERE project_id = $1
1864                ",
1865            )
1866            .bind(project_id)
1867            .fetch_all(&mut tx)
1868            .await?;
1869
1870            tx.commit().await?;
1871            Ok((
1872                Project {
1873                    collaborators,
1874                    worktrees,
1875                    language_servers: language_servers
1876                        .into_iter()
1877                        .map(|language_server| proto::LanguageServer {
1878                            id: language_server.id.to_proto(),
1879                            name: language_server.name,
1880                        })
1881                        .collect(),
1882                },
1883                replica_id as ReplicaId,
1884            ))
1885        })
1886        .await
1887    }
1888
1889    pub async fn unshare_project(&self, project_id: ProjectId) -> Result<()> {
1890        todo!()
1891        // test_support!(self, {
1892        //     sqlx::query(
1893        //         "
1894        //         UPDATE projects
1895        //         SET unregistered = TRUE
1896        //         WHERE id = $1
1897        //         ",
1898        //     )
1899        //     .bind(project_id)
1900        //     .execute(&self.pool)
1901        //     .await?;
1902        //     Ok(())
1903        // })
1904    }
1905
1906    // contacts
1907
1908    pub async fn get_contacts(&self, user_id: UserId) -> Result<Vec<Contact>> {
1909        self.transact(|mut tx| async move {
1910            let query = "
1911                SELECT user_id_a, user_id_b, a_to_b, accepted, should_notify, (room_participants.id IS NOT NULL) as busy
1912                FROM contacts
1913                LEFT JOIN room_participants ON room_participants.user_id = $1
1914                WHERE user_id_a = $1 OR user_id_b = $1;
1915            ";
1916
1917            let mut rows = sqlx::query_as::<_, (UserId, UserId, bool, bool, bool, bool)>(query)
1918                .bind(user_id)
1919                .fetch(&mut tx);
1920
1921            let mut contacts = Vec::new();
1922            while let Some(row) = rows.next().await {
1923                let (user_id_a, user_id_b, a_to_b, accepted, should_notify, busy) = row?;
1924                if user_id_a == user_id {
1925                    if accepted {
1926                        contacts.push(Contact::Accepted {
1927                            user_id: user_id_b,
1928                            should_notify: should_notify && a_to_b,
1929                            busy
1930                        });
1931                    } else if a_to_b {
1932                        contacts.push(Contact::Outgoing { user_id: user_id_b })
1933                    } else {
1934                        contacts.push(Contact::Incoming {
1935                            user_id: user_id_b,
1936                            should_notify,
1937                        });
1938                    }
1939                } else if accepted {
1940                    contacts.push(Contact::Accepted {
1941                        user_id: user_id_a,
1942                        should_notify: should_notify && !a_to_b,
1943                        busy
1944                    });
1945                } else if a_to_b {
1946                    contacts.push(Contact::Incoming {
1947                        user_id: user_id_a,
1948                        should_notify,
1949                    });
1950                } else {
1951                    contacts.push(Contact::Outgoing { user_id: user_id_a });
1952                }
1953            }
1954
1955            contacts.sort_unstable_by_key(|contact| contact.user_id());
1956
1957            Ok(contacts)
1958        })
1959        .await
1960    }
1961
1962    pub async fn is_user_busy(&self, user_id: UserId) -> Result<bool> {
1963        self.transact(|mut tx| async move {
1964            Ok(sqlx::query_scalar::<_, i32>(
1965                "
1966                SELECT 1
1967                FROM room_participants
1968                WHERE room_participants.user_id = $1
1969                ",
1970            )
1971            .bind(user_id)
1972            .fetch_optional(&mut tx)
1973            .await?
1974            .is_some())
1975        })
1976        .await
1977    }
1978
1979    pub async fn has_contact(&self, user_id_1: UserId, user_id_2: UserId) -> Result<bool> {
1980        self.transact(|mut tx| async move {
1981            let (id_a, id_b) = if user_id_1 < user_id_2 {
1982                (user_id_1, user_id_2)
1983            } else {
1984                (user_id_2, user_id_1)
1985            };
1986
1987            let query = "
1988                SELECT 1 FROM contacts
1989                WHERE user_id_a = $1 AND user_id_b = $2 AND accepted = TRUE
1990                LIMIT 1
1991            ";
1992            Ok(sqlx::query_scalar::<_, i32>(query)
1993                .bind(id_a.0)
1994                .bind(id_b.0)
1995                .fetch_optional(&mut tx)
1996                .await?
1997                .is_some())
1998        })
1999        .await
2000    }
2001
2002    pub async fn send_contact_request(&self, sender_id: UserId, receiver_id: UserId) -> Result<()> {
2003        self.transact(|mut tx| async move {
2004            let (id_a, id_b, a_to_b) = if sender_id < receiver_id {
2005                (sender_id, receiver_id, true)
2006            } else {
2007                (receiver_id, sender_id, false)
2008            };
2009            let query = "
2010                INSERT into contacts (user_id_a, user_id_b, a_to_b, accepted, should_notify)
2011                VALUES ($1, $2, $3, FALSE, TRUE)
2012                ON CONFLICT (user_id_a, user_id_b) DO UPDATE
2013                SET
2014                    accepted = TRUE,
2015                    should_notify = FALSE
2016                WHERE
2017                    NOT contacts.accepted AND
2018                    ((contacts.a_to_b = excluded.a_to_b AND contacts.user_id_a = excluded.user_id_b) OR
2019                    (contacts.a_to_b != excluded.a_to_b AND contacts.user_id_a = excluded.user_id_a));
2020            ";
2021            let result = sqlx::query(query)
2022                .bind(id_a.0)
2023                .bind(id_b.0)
2024                .bind(a_to_b)
2025                .execute(&mut tx)
2026                .await?;
2027
2028            if result.rows_affected() == 1 {
2029                tx.commit().await?;
2030                Ok(())
2031            } else {
2032                Err(anyhow!("contact already requested"))?
2033            }
2034        }).await
2035    }
2036
2037    pub async fn remove_contact(&self, requester_id: UserId, responder_id: UserId) -> Result<()> {
2038        self.transact(|mut tx| async move {
2039            let (id_a, id_b) = if responder_id < requester_id {
2040                (responder_id, requester_id)
2041            } else {
2042                (requester_id, responder_id)
2043            };
2044            let query = "
2045                DELETE FROM contacts
2046                WHERE user_id_a = $1 AND user_id_b = $2;
2047            ";
2048            let result = sqlx::query(query)
2049                .bind(id_a.0)
2050                .bind(id_b.0)
2051                .execute(&mut tx)
2052                .await?;
2053
2054            if result.rows_affected() == 1 {
2055                tx.commit().await?;
2056                Ok(())
2057            } else {
2058                Err(anyhow!("no such contact"))?
2059            }
2060        })
2061        .await
2062    }
2063
2064    pub async fn dismiss_contact_notification(
2065        &self,
2066        user_id: UserId,
2067        contact_user_id: UserId,
2068    ) -> Result<()> {
2069        self.transact(|mut tx| async move {
2070            let (id_a, id_b, a_to_b) = if user_id < contact_user_id {
2071                (user_id, contact_user_id, true)
2072            } else {
2073                (contact_user_id, user_id, false)
2074            };
2075
2076            let query = "
2077                UPDATE contacts
2078                SET should_notify = FALSE
2079                WHERE
2080                    user_id_a = $1 AND user_id_b = $2 AND
2081                    (
2082                        (a_to_b = $3 AND accepted) OR
2083                        (a_to_b != $3 AND NOT accepted)
2084                    );
2085            ";
2086
2087            let result = sqlx::query(query)
2088                .bind(id_a.0)
2089                .bind(id_b.0)
2090                .bind(a_to_b)
2091                .execute(&mut tx)
2092                .await?;
2093
2094            if result.rows_affected() == 0 {
2095                Err(anyhow!("no such contact request"))?
2096            } else {
2097                tx.commit().await?;
2098                Ok(())
2099            }
2100        })
2101        .await
2102    }
2103
2104    pub async fn respond_to_contact_request(
2105        &self,
2106        responder_id: UserId,
2107        requester_id: UserId,
2108        accept: bool,
2109    ) -> Result<()> {
2110        self.transact(|mut tx| async move {
2111            let (id_a, id_b, a_to_b) = if responder_id < requester_id {
2112                (responder_id, requester_id, false)
2113            } else {
2114                (requester_id, responder_id, true)
2115            };
2116            let result = if accept {
2117                let query = "
2118                    UPDATE contacts
2119                    SET accepted = TRUE, should_notify = TRUE
2120                    WHERE user_id_a = $1 AND user_id_b = $2 AND a_to_b = $3;
2121                ";
2122                sqlx::query(query)
2123                    .bind(id_a.0)
2124                    .bind(id_b.0)
2125                    .bind(a_to_b)
2126                    .execute(&mut tx)
2127                    .await?
2128            } else {
2129                let query = "
2130                    DELETE FROM contacts
2131                    WHERE user_id_a = $1 AND user_id_b = $2 AND a_to_b = $3 AND NOT accepted;
2132                ";
2133                sqlx::query(query)
2134                    .bind(id_a.0)
2135                    .bind(id_b.0)
2136                    .bind(a_to_b)
2137                    .execute(&mut tx)
2138                    .await?
2139            };
2140            if result.rows_affected() == 1 {
2141                tx.commit().await?;
2142                Ok(())
2143            } else {
2144                Err(anyhow!("no such contact request"))?
2145            }
2146        })
2147        .await
2148    }
2149
2150    // access tokens
2151
2152    pub async fn create_access_token_hash(
2153        &self,
2154        user_id: UserId,
2155        access_token_hash: &str,
2156        max_access_token_count: usize,
2157    ) -> Result<()> {
2158        self.transact(|tx| async {
2159            let mut tx = tx;
2160            let insert_query = "
2161                INSERT INTO access_tokens (user_id, hash)
2162                VALUES ($1, $2);
2163            ";
2164            let cleanup_query = "
2165                DELETE FROM access_tokens
2166                WHERE id IN (
2167                    SELECT id from access_tokens
2168                    WHERE user_id = $1
2169                    ORDER BY id DESC
2170                    LIMIT 10000
2171                    OFFSET $3
2172                )
2173            ";
2174
2175            sqlx::query(insert_query)
2176                .bind(user_id.0)
2177                .bind(access_token_hash)
2178                .execute(&mut tx)
2179                .await?;
2180            sqlx::query(cleanup_query)
2181                .bind(user_id.0)
2182                .bind(access_token_hash)
2183                .bind(max_access_token_count as i32)
2184                .execute(&mut tx)
2185                .await?;
2186            Ok(tx.commit().await?)
2187        })
2188        .await
2189    }
2190
2191    pub async fn get_access_token_hashes(&self, user_id: UserId) -> Result<Vec<String>> {
2192        self.transact(|mut tx| async move {
2193            let query = "
2194                SELECT hash
2195                FROM access_tokens
2196                WHERE user_id = $1
2197                ORDER BY id DESC
2198            ";
2199            Ok(sqlx::query_scalar(query)
2200                .bind(user_id.0)
2201                .fetch_all(&mut tx)
2202                .await?)
2203        })
2204        .await
2205    }
2206
2207    async fn transact<F, Fut, T>(&self, f: F) -> Result<T>
2208    where
2209        F: Send + Fn(sqlx::Transaction<'static, D>) -> Fut,
2210        Fut: Send + Future<Output = Result<T>>,
2211    {
2212        let body = async {
2213            loop {
2214                let tx = self.begin_transaction().await?;
2215                match f(tx).await {
2216                    Ok(result) => return Ok(result),
2217                    Err(error) => match error {
2218                        Error::Database(error)
2219                            if error
2220                                .as_database_error()
2221                                .and_then(|error| error.code())
2222                                .as_deref()
2223                                == Some("hey") =>
2224                        {
2225                            // Retry (don't break the loop)
2226                        }
2227                        error @ _ => return Err(error),
2228                    },
2229                }
2230            }
2231        };
2232
2233        #[cfg(test)]
2234        {
2235            if let Some(background) = self.background.as_ref() {
2236                background.simulate_random_delay().await;
2237            }
2238
2239            let result = self.runtime.as_ref().unwrap().block_on(body);
2240
2241            if let Some(background) = self.background.as_ref() {
2242                background.simulate_random_delay().await;
2243            }
2244
2245            result
2246        }
2247
2248        #[cfg(not(test))]
2249        {
2250            body.await
2251        }
2252    }
2253}
2254
2255macro_rules! id_type {
2256    ($name:ident) => {
2257        #[derive(
2258            Clone,
2259            Copy,
2260            Debug,
2261            Default,
2262            PartialEq,
2263            Eq,
2264            PartialOrd,
2265            Ord,
2266            Hash,
2267            sqlx::Type,
2268            Serialize,
2269            Deserialize,
2270        )]
2271        #[sqlx(transparent)]
2272        #[serde(transparent)]
2273        pub struct $name(pub i32);
2274
2275        impl $name {
2276            #[allow(unused)]
2277            pub const MAX: Self = Self(i32::MAX);
2278
2279            #[allow(unused)]
2280            pub fn from_proto(value: u64) -> Self {
2281                Self(value as i32)
2282            }
2283
2284            #[allow(unused)]
2285            pub fn to_proto(self) -> u64 {
2286                self.0 as u64
2287            }
2288        }
2289
2290        impl std::fmt::Display for $name {
2291            fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
2292                self.0.fmt(f)
2293            }
2294        }
2295    };
2296}
2297
2298id_type!(UserId);
2299#[derive(Clone, Debug, Default, FromRow, Serialize, PartialEq)]
2300pub struct User {
2301    pub id: UserId,
2302    pub github_login: String,
2303    pub github_user_id: Option<i32>,
2304    pub email_address: Option<String>,
2305    pub admin: bool,
2306    pub invite_code: Option<String>,
2307    pub invite_count: i32,
2308    pub connected_once: bool,
2309}
2310
2311id_type!(RoomId);
2312#[derive(Clone, Debug, Default, FromRow, Serialize, PartialEq)]
2313pub struct Room {
2314    pub id: RoomId,
2315    pub version: i32,
2316    pub live_kit_room: String,
2317}
2318
2319id_type!(ProjectId);
2320pub struct Project {
2321    pub collaborators: Vec<ProjectCollaborator>,
2322    pub worktrees: BTreeMap<WorktreeId, Worktree>,
2323    pub language_servers: Vec<proto::LanguageServer>,
2324}
2325
2326id_type!(ReplicaId);
2327#[derive(Clone, Debug, Default, FromRow, PartialEq)]
2328pub struct ProjectCollaborator {
2329    pub project_id: ProjectId,
2330    pub connection_id: i32,
2331    pub user_id: UserId,
2332    pub replica_id: ReplicaId,
2333    pub is_host: bool,
2334}
2335
2336id_type!(WorktreeId);
2337#[derive(Clone, Debug, Default, FromRow, PartialEq)]
2338struct WorktreeRow {
2339    pub id: WorktreeId,
2340    pub abs_path: String,
2341    pub root_name: String,
2342    pub visible: bool,
2343    pub scan_id: i64,
2344    pub is_complete: bool,
2345}
2346
2347pub struct Worktree {
2348    pub id: WorktreeId,
2349    pub abs_path: String,
2350    pub root_name: String,
2351    pub visible: bool,
2352    pub entries: Vec<proto::Entry>,
2353    pub diagnostic_summaries: Vec<proto::DiagnosticSummary>,
2354    pub scan_id: u64,
2355    pub is_complete: bool,
2356}
2357
2358#[derive(Clone, Debug, Default, FromRow, PartialEq)]
2359struct WorktreeEntry {
2360    id: i64,
2361    worktree_id: WorktreeId,
2362    is_dir: bool,
2363    path: String,
2364    inode: i64,
2365    mtime_seconds: i64,
2366    mtime_nanos: i32,
2367    is_symlink: bool,
2368    is_ignored: bool,
2369}
2370
2371#[derive(Clone, Debug, Default, FromRow, PartialEq)]
2372struct WorktreeDiagnosticSummary {
2373    worktree_id: WorktreeId,
2374    path: String,
2375    language_server_id: i64,
2376    error_count: i32,
2377    warning_count: i32,
2378}
2379
2380id_type!(LanguageServerId);
2381#[derive(Clone, Debug, Default, FromRow, PartialEq)]
2382struct LanguageServer {
2383    id: LanguageServerId,
2384    name: String,
2385}
2386
2387pub struct LeftProject {
2388    pub id: ProjectId,
2389    pub host_user_id: UserId,
2390    pub connection_ids: Vec<ConnectionId>,
2391}
2392
2393pub struct LeftRoom {
2394    pub room: proto::Room,
2395    pub left_projects: HashMap<ProjectId, LeftProject>,
2396    pub canceled_calls_to_user_ids: Vec<UserId>,
2397}
2398
2399#[derive(Clone, Debug, PartialEq, Eq)]
2400pub enum Contact {
2401    Accepted {
2402        user_id: UserId,
2403        should_notify: bool,
2404        busy: bool,
2405    },
2406    Outgoing {
2407        user_id: UserId,
2408    },
2409    Incoming {
2410        user_id: UserId,
2411        should_notify: bool,
2412    },
2413}
2414
2415impl Contact {
2416    pub fn user_id(&self) -> UserId {
2417        match self {
2418            Contact::Accepted { user_id, .. } => *user_id,
2419            Contact::Outgoing { user_id } => *user_id,
2420            Contact::Incoming { user_id, .. } => *user_id,
2421        }
2422    }
2423}
2424
2425#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
2426pub struct IncomingContactRequest {
2427    pub requester_id: UserId,
2428    pub should_notify: bool,
2429}
2430
2431#[derive(Clone, Deserialize)]
2432pub struct Signup {
2433    pub email_address: String,
2434    pub platform_mac: bool,
2435    pub platform_windows: bool,
2436    pub platform_linux: bool,
2437    pub editor_features: Vec<String>,
2438    pub programming_languages: Vec<String>,
2439    pub device_id: Option<String>,
2440}
2441
2442#[derive(Clone, Debug, PartialEq, Deserialize, Serialize, FromRow)]
2443pub struct WaitlistSummary {
2444    #[sqlx(default)]
2445    pub count: i64,
2446    #[sqlx(default)]
2447    pub linux_count: i64,
2448    #[sqlx(default)]
2449    pub mac_count: i64,
2450    #[sqlx(default)]
2451    pub windows_count: i64,
2452    #[sqlx(default)]
2453    pub unknown_count: i64,
2454}
2455
2456#[derive(FromRow, PartialEq, Debug, Serialize, Deserialize)]
2457pub struct Invite {
2458    pub email_address: String,
2459    pub email_confirmation_code: String,
2460}
2461
2462#[derive(Debug, Serialize, Deserialize)]
2463pub struct NewUserParams {
2464    pub github_login: String,
2465    pub github_user_id: i32,
2466    pub invite_count: i32,
2467}
2468
2469#[derive(Debug)]
2470pub struct NewUserResult {
2471    pub user_id: UserId,
2472    pub metrics_id: String,
2473    pub inviting_user_id: Option<UserId>,
2474    pub signup_device_id: Option<String>,
2475}
2476
2477fn random_invite_code() -> String {
2478    nanoid::nanoid!(16)
2479}
2480
2481fn random_email_confirmation_code() -> String {
2482    nanoid::nanoid!(64)
2483}
2484
2485#[cfg(test)]
2486pub use test::*;
2487
2488#[cfg(test)]
2489mod test {
2490    use super::*;
2491    use gpui::executor::Background;
2492    use lazy_static::lazy_static;
2493    use parking_lot::Mutex;
2494    use rand::prelude::*;
2495    use sqlx::migrate::MigrateDatabase;
2496    use std::sync::Arc;
2497
2498    pub struct SqliteTestDb {
2499        pub db: Option<Arc<Db<sqlx::Sqlite>>>,
2500        pub conn: sqlx::sqlite::SqliteConnection,
2501    }
2502
2503    pub struct PostgresTestDb {
2504        pub db: Option<Arc<Db<sqlx::Postgres>>>,
2505        pub url: String,
2506    }
2507
2508    impl SqliteTestDb {
2509        pub fn new(background: Arc<Background>) -> Self {
2510            let mut rng = StdRng::from_entropy();
2511            let url = format!("file:zed-test-{}?mode=memory", rng.gen::<u128>());
2512            let runtime = tokio::runtime::Builder::new_current_thread()
2513                .enable_io()
2514                .enable_time()
2515                .build()
2516                .unwrap();
2517
2518            let (mut db, conn) = runtime.block_on(async {
2519                let db = Db::<sqlx::Sqlite>::new(&url, 5).await.unwrap();
2520                let migrations_path = concat!(env!("CARGO_MANIFEST_DIR"), "/migrations.sqlite");
2521                db.migrate(migrations_path.as_ref(), false).await.unwrap();
2522                let conn = db.pool.acquire().await.unwrap().detach();
2523                (db, conn)
2524            });
2525
2526            db.background = Some(background);
2527            db.runtime = Some(runtime);
2528
2529            Self {
2530                db: Some(Arc::new(db)),
2531                conn,
2532            }
2533        }
2534
2535        pub fn db(&self) -> &Arc<Db<sqlx::Sqlite>> {
2536            self.db.as_ref().unwrap()
2537        }
2538    }
2539
2540    impl PostgresTestDb {
2541        pub fn new(background: Arc<Background>) -> Self {
2542            lazy_static! {
2543                static ref LOCK: Mutex<()> = Mutex::new(());
2544            }
2545
2546            let _guard = LOCK.lock();
2547            let mut rng = StdRng::from_entropy();
2548            let url = format!(
2549                "postgres://postgres@localhost/zed-test-{}",
2550                rng.gen::<u128>()
2551            );
2552            let runtime = tokio::runtime::Builder::new_current_thread()
2553                .enable_io()
2554                .enable_time()
2555                .build()
2556                .unwrap();
2557
2558            let mut db = runtime.block_on(async {
2559                sqlx::Postgres::create_database(&url)
2560                    .await
2561                    .expect("failed to create test db");
2562                let db = Db::<sqlx::Postgres>::new(&url, 5).await.unwrap();
2563                let migrations_path = concat!(env!("CARGO_MANIFEST_DIR"), "/migrations");
2564                db.migrate(Path::new(migrations_path), false).await.unwrap();
2565                db
2566            });
2567
2568            db.background = Some(background);
2569            db.runtime = Some(runtime);
2570
2571            Self {
2572                db: Some(Arc::new(db)),
2573                url,
2574            }
2575        }
2576
2577        pub fn db(&self) -> &Arc<Db<sqlx::Postgres>> {
2578            self.db.as_ref().unwrap()
2579        }
2580    }
2581
2582    impl Drop for PostgresTestDb {
2583        fn drop(&mut self) {
2584            let db = self.db.take().unwrap();
2585            db.teardown(&self.url);
2586        }
2587    }
2588}