start first sync

encar_scraper/worker/celery_app.py

@@ -1,9 +1,17 @@
 # Инициализация Celery-приложения и периодических задач для Encar.
 
+import logging
+
 from celery import Celery
+from celery.signals import beat_init
+from redis import Redis
+from sqlalchemy import func, select
 
 from ..core.config import settings
 
+logger = logging.getLogger("encar_scraper.worker.celery_app")
+_INITIAL_SYNC_BOOTSTRAP_KEY = "encar:bootstrap:initial_sync_enqueued"
+
 
 def _broker_url() -> str:
     return settings.celery.broker_url or settings.redis.url
@@ -51,6 +59,46 @@ celery_app.conf.update(
 celery_app.autodiscover_tasks(["encar_scraper.worker"])
 
 
+@beat_init.connect
+def _schedule_initial_sync_on_first_start(**kwargs):
+    """Ставит первый sync сразу после первого запуска проекта на пустой БД."""
+    from ..storage.db import PersistenceService
+    from ..storage.models import SyncRun
+    from .tasks import encar_sync_listing_task
+
+    persistence = PersistenceService(settings)
+    redis_client: Redis | None = None
+    try:
+        with persistence.session_scope() as session:
+            total_runs = session.execute(select(func.count(SyncRun.id))).scalar() or 0
+
+        if total_runs:
+            return
+
+        redis_client = Redis.from_url(
+            _broker_url(),
+            decode_responses=True,
+            socket_timeout=10,
+            socket_connect_timeout=5,
+        )
+        marked = redis_client.set(_INITIAL_SYNC_BOOTSTRAP_KEY, "1", nx=True, ex=600)
+        if not marked:
+            logger.info("Initial Encar sync already bootstrapped on this startup")
+            return
+
+        encar_sync_listing_task.apply_async(kwargs={"car_type": "all"}, queue="encar")
+        logger.info("Scheduled initial Encar sync because sync_runs table is empty")
+    except Exception:
+        logger.warning("Failed to schedule initial Encar sync", exc_info=True)
+    finally:
+        persistence.engine.dispose()
+        if redis_client is not None:
+            try:
+                redis_client.close()
+            except Exception:
+                pass
+
+
 from celery.signals import setup_logging as celery_setup_logging