what

pipeline/sinks/__init__.py

@@ -1,7 +1,7 @@
 """Sinks for pipeline output handling."""
 
 from pipeline.sinks.alerts import FileAlertStore
-from pipeline.sinks.database import DatabaseSink
+from pipeline.sinks.database import DatabaseSink, DatabaseSmartEventSink
 from pipeline.sinks.display import WindowDisplaySink
 from pipeline.sinks.events import SmartEventSink
 from pipeline.sinks.metrics import MetricsSink
@@ -10,6 +10,7 @@ from pipeline.sinks.video import VideoFileStore
 
 __all__ = [
     "DatabaseSink",
+    "DatabaseSmartEventSink",
     "FileAlertStore",
     "MetricsSink",
     "ScreenshotSink",

pipeline/sinks/database.py

@@ -8,6 +8,7 @@ import cv2
 
 from db.repository import Repository
 from pipeline.ops.drawing import draw_alert_banner, draw_detections
+from pipeline.sinks.events import SmartEventSink
 from pipeline.types import Frame
 
 logger = logging.getLogger(__name__)
@@ -72,3 +73,52 @@ class DatabaseSink:
 
     def close(self):
         pass  # DB connection is managed by the repository
+
+
+class DatabaseSmartEventSink(SmartEventSink):
+    """Records event clips and stores clip path in DB as alert evidence."""
+
+    def __init__(
+        self,
+        db_repo: Repository,
+        fps: float,
+        user_id: int = 1,
+        camera_source: str = "Pipeline",
+        output_dir: str = "static/events",
+        pre_event_seconds: float = 2,
+        post_event_seconds: float = 3,
+    ):
+        super().__init__(
+            output_dir=output_dir,
+            fps=fps,
+            pre_event_seconds=pre_event_seconds,
+            post_event_seconds=post_event_seconds,
+        )
+        self.db_repo = db_repo
+        self.user_id = user_id
+        self.camera_source = camera_source
+
+    def _trigger_event(self, trigger_frame: Frame):
+        was_recording = self.recording
+        super()._trigger_event(trigger_frame)
+
+        # Save one DB row per newly started event clip
+        if was_recording or not self.recording or self.current_event_id is None:
+            return
+
+        ticket = trigger_frame.ticket
+        if not ticket:
+            return
+
+        filename = f"event_{self.current_event_id}.mp4"
+        web_path = f"/static/events/{filename}"
+        try:
+            self.db_repo.save_detection(
+                user_id=self.user_id,
+                image_path=web_path,
+                confidence=ticket.confidence,
+                camera_source=self.camera_source,
+            )
+            logger.info("Saved event alert to DB: %s", web_path)
+        except Exception as e:
+            logger.error("Failed to save event alert to DB: %s", e)