refactor(worker): thin handlers + factory — move all business logic to application services

crates/worker/src/factory.rs

@@ -0,0 +1,80 @@
+use std::sync::Arc;
+use sqlx::PgPool;
+
+use activitypub::ThoughtsObjectHandler;
+use activitypub_base::ActivityPubService;
+use application::services::{FederationEventService, NotificationEventService};
+use postgres::activitypub::PgActivityPubRepository;
+use postgres_federation::{PostgresApUserRepository, PostgresFederationRepository};
+
+use crate::handlers::{FederationHandler, NotificationHandler};
+
+pub struct WorkerHandlers {
+    pub notification: NotificationHandler,
+    pub federation:   FederationHandler,
+}
+
+pub async fn build(
+    database_url: &str,
+    base_url: &str,
+    nats_url: &str,
+) -> (
+    event_transport::EventConsumerAdapter<nats::NatsMessageSource>,
+    WorkerHandlers,
+) {
+    let pool = PgPool::connect(database_url)
+        .await
+        .expect("DB connect failed");
+
+    // Repos
+    let thoughts      = Arc::new(postgres::thought::PgThoughtRepository::new(pool.clone()));
+    let users         = Arc::new(postgres::user::PgUserRepository::new(pool.clone()));
+    let notifications = Arc::new(postgres::notification::PgNotificationRepository::new(pool.clone()));
+
+    // ActivityPub service (for federation fan-out)
+    let ap_service: Arc<dyn domain::ports::OutboundFederationPort> = Arc::new(
+        ActivityPubService::new(
+            Arc::new(PostgresFederationRepository::new(pool.clone())),
+            Arc::new(PostgresApUserRepository::new(pool.clone(), base_url.to_string())),
+            Arc::new(ThoughtsObjectHandler::new(
+                Arc::new(PgActivityPubRepository::new(pool.clone())),
+                base_url,
+            )),
+            base_url.to_string(),
+            false,
+            "thoughts".to_string(),
+            false,
+            None,
+        )
+        .await
+        .expect("ActivityPubService build failed"),
+    );
+
+    // Application services
+    let notification_svc = Arc::new(NotificationEventService {
+        thoughts: thoughts.clone(),
+        notifications,
+    });
+    let federation_svc = Arc::new(FederationEventService {
+        thoughts,
+        users,
+        ap: ap_service,
+        base_url: base_url.to_string(),
+    });
+
+    // Thin handlers
+    let handlers = WorkerHandlers {
+        notification: NotificationHandler { service: notification_svc },
+        federation:   FederationHandler   { service: federation_svc   },
+    };
+
+    // NATS consumer
+    let nats_client = async_nats::connect(nats_url)
+        .await
+        .expect("NATS connect failed");
+    let consumer = event_transport::EventConsumerAdapter::new(
+        nats::NatsMessageSource::new(nats_client),
+    );
+
+    (consumer, handlers)
+}