feat: implement SQLite and Postgres event queue adapters

- Added SQLite and Postgres event queue implementations with migrations and payload structures.
- Created migration scripts for both SQLite and Postgres event queues.
- Implemented event publishing and consumption logic for both adapters.
- Added serialization and deserialization for domain events to database payloads.
- Updated presentation and worker crates to support new event queue features.
- Refactored event handling to utilize the new database-backed event queues.
This commit is contained in:
2026-05-10 16:09:36 +02:00
parent 8678bbf391
commit 37b0e07055
15 changed files with 999 additions and 95 deletions

View File

@@ -1,8 +1,6 @@
use std::sync::Arc;
use anyhow::Context;
use event_publisher::{EventPublisherConfig, NoopEventPublisher, create_event_channel};
use application::event_handlers::PosterSyncHandler;
use std::str::FromStr;
use tokio::net::TcpListener;
@@ -20,11 +18,11 @@ use postgres_federation::PostgresFederationRepository;
#[cfg(feature = "federation")]
use activitypub::{
ActivityPubEventHandler, ActivityPubPort, ActivityPubService, DomainUserRepoAdapter,
ActivityPubPort, ActivityPubService, DomainUserRepoAdapter,
ReviewObjectHandler,
};
use application::{config::AppConfig, context::AppContext, worker::WorkerService};
use application::{config::AppConfig, context::AppContext};
use auth::{Argon2PasswordHasher, AuthConfig, JwtAuthService};
use export::ExportAdapter;
use metadata::MetadataClientImpl;
@@ -38,7 +36,7 @@ use presentation::{openapi::ApiDoc, routes, state::AppState};
use utoipa::OpenApi as _;
use domain::ports::{
AuthService, DiaryExporter, DiaryRepository, EventHandler, EventPublisher, MetadataClient,
AuthService, DiaryExporter, DiaryRepository, EventPublisher, MetadataClient,
MovieRepository, PasswordHasher, PosterFetcherClient, PosterStorage, ReviewRepository,
StatsRepository, UserRepository,
};
@@ -89,10 +87,10 @@ async fn wire_dependencies() -> anyhow::Result<(AppState, axum::Router)> {
let auth_service: Arc<dyn AuthService> = Arc::new(JwtAuthService::new(auth_config));
let password_hasher: Arc<dyn PasswordHasher> = Arc::new(Argon2PasswordHasher);
// Only track pools when the federation feature for that backend needs them
#[cfg(feature = "sqlite-federation")]
// Track pools — needed for federation and DB event queue
#[cfg(feature = "sqlite")]
let mut sqlite_pool: Option<sqlx::SqlitePool> = None;
#[cfg(feature = "postgres-federation")]
#[cfg(feature = "postgres")]
let mut pg_pool: Option<sqlx::PgPool> = None;
let (movie_repository, review_repository, diary_repository, stats_repository, user_repository):
@@ -101,39 +99,20 @@ async fn wire_dependencies() -> anyhow::Result<(AppState, axum::Router)> {
match backend.as_str() {
#[cfg(feature = "postgres")]
"postgres" => {
let (_pool, m, r, d, s, u) = wire_postgres(&database_url).await?;
#[cfg(feature = "postgres-federation")]
{ pg_pool = Some(_pool); }
let (pool, m, r, d, s, u) = wire_postgres(&database_url).await?;
pg_pool = Some(pool);
(m, r, d, s, u)
}
#[cfg(feature = "sqlite")]
_ => {
let (_pool, m, r, d, s, u) = wire_sqlite(&database_url).await?;
#[cfg(feature = "sqlite-federation")]
{ sqlite_pool = Some(_pool); }
let (pool, m, r, d, s, u) = wire_sqlite(&database_url).await?;
sqlite_pool = Some(pool);
(m, r, d, s, u)
}
#[cfg(not(feature = "sqlite"))]
_ => anyhow::bail!("DATABASE_BACKEND={backend} is not supported by this build (sqlite feature is not enabled)"),
};
// Build handler context (used for poster sync handler)
let handler_ctx = AppContext {
movie_repository: Arc::clone(&movie_repository),
review_repository: Arc::clone(&review_repository),
diary_repository: Arc::clone(&diary_repository),
diary_exporter: Arc::new(ExportAdapter) as Arc<dyn DiaryExporter>,
stats_repository: Arc::clone(&stats_repository),
metadata_client: Arc::clone(&metadata_client),
poster_fetcher: Arc::clone(&poster_fetcher),
poster_storage: Arc::clone(&poster_storage),
event_publisher: Arc::new(NoopEventPublisher),
auth_service: Arc::clone(&auth_service),
password_hasher: Arc::clone(&password_hasher),
user_repository: Arc::clone(&user_repository),
config: app_config.clone(),
};
// Wire up event channel, federation service, and ap_router
#[cfg(feature = "federation")]
let (event_publisher_arc, ap_router, ap_service, social_query) = {
@@ -176,26 +155,50 @@ async fn wire_dependencies() -> anyhow::Result<(AppState, axum::Router)> {
.await?,
);
let ap_router = concrete_ap_service.router();
let ap_event_handler = ActivityPubEventHandler::new(
Arc::clone(&concrete_ap_service),
Arc::clone(&movie_repository),
Arc::clone(&review_repository),
app_config.base_url.clone(),
);
let ap_service_arc: Arc<dyn ActivityPubPort> = concrete_ap_service;
let ep = build_event_publisher(
handler_ctx,
vec![Arc::new(ap_event_handler) as Arc<dyn EventHandler>],
).await?;
let ep: Arc<dyn EventPublisher> = if let Ok(cfg) = nats::NatsConfig::from_env() {
tracing::info!("event bus: NATS ({})", cfg.url);
nats::create_publisher(cfg).await?
} else {
tracing::info!("event bus: DB queue");
match backend.as_str() {
#[cfg(feature = "postgres")]
"postgres" => postgres_event_queue::PostgresEventQueue::create_publisher(
pg_pool.as_ref().unwrap().clone()
).await?,
#[cfg(feature = "sqlite")]
_ => sqlite_event_queue::SqliteEventQueue::create_publisher(
sqlite_pool.as_ref().unwrap().clone()
).await?,
#[cfg(not(feature = "sqlite"))]
_ => anyhow::bail!("no event bus: NATS_URL not set and sqlite feature not enabled"),
}
};
(ep, ap_router, ap_service_arc, social_query_arc)
};
#[cfg(not(feature = "federation"))]
let (event_publisher_arc, ap_router): (Arc<dyn EventPublisher>, axum::Router) = (
build_event_publisher(handler_ctx, vec![]).await?,
axum::Router::new(),
);
let event_publisher_arc: Arc<dyn EventPublisher> = if let Ok(cfg) = nats::NatsConfig::from_env() {
tracing::info!("event bus: NATS ({})", cfg.url);
nats::create_publisher(cfg).await?
} else {
tracing::info!("event bus: DB queue");
match backend.as_str() {
#[cfg(feature = "postgres")]
"postgres" => postgres_event_queue::PostgresEventQueue::create_publisher(
pg_pool.as_ref().unwrap().clone()
).await?,
#[cfg(feature = "sqlite")]
_ => sqlite_event_queue::SqliteEventQueue::create_publisher(
sqlite_pool.as_ref().unwrap().clone()
).await?,
#[cfg(not(feature = "sqlite"))]
_ => anyhow::bail!("no event bus: NATS_URL not set and sqlite feature not enabled"),
}
};
#[cfg(not(feature = "federation"))]
let ap_router = axum::Router::new();
let app_ctx = AppContext {
movie_repository,
@@ -294,23 +297,6 @@ async fn wire_postgres(database_url: &str) -> anyhow::Result<(
Ok((pool, movie_repository, review_repository, diary_repository, stats_repository, user_repository))
}
async fn build_event_publisher(
handler_ctx: AppContext,
extra_handlers: Vec<Arc<dyn EventHandler>>,
) -> anyhow::Result<Arc<dyn EventPublisher>> {
if let Ok(cfg) = nats::NatsConfig::from_env() {
tracing::info!("event bus: NATS ({})", cfg.url);
return nats::create_publisher(cfg).await;
}
tracing::info!("event bus: in-memory");
let poster_handler = Arc::new(PosterSyncHandler::new(handler_ctx, 3));
let mut handlers: Vec<Arc<dyn EventHandler>> = vec![poster_handler];
handlers.extend(extra_handlers);
let (publisher, consumer) = create_event_channel(EventPublisherConfig::from_env());
tokio::spawn(WorkerService::new(Arc::new(consumer), handlers).run());
Ok(Arc::new(publisher))
}
fn init_tracing() {
tracing_subscriber::registry()
.with(tracing_subscriber::EnvFilter::new(