Rewrite storage logic to use storage maintainer and segment sizes

frigate/http.py

@@ -694,12 +694,19 @@ def get_recordings_storage_usage():
     recording_stats = stats_snapshot(current_app.stats_tracking)["service"]["storage"][
         RECORD_DIR
     ]
-    total_bytes = recording_stats["total"]
-    storage = {"cameras": {}, "total": total_bytes}
-    storage[camera_name] = camera_bytes
-    total_bytes += camera_bytes
+    total_mb = recording_stats["total"]
 
-    return jsonify(storage)
+    camera_usages: dict[
+        str, dict
+    ] = current_app.storage_maintainer.calculate_camera_usages()
+    camera_usages["max"] = total_mb
+
+    for camera_name in camera_usages.keys():
+        camera_usages[camera_name]["usage_percent"] = (
+            camera_usages[camera_name]["usage"] / total_mb
+        )
+
+    return jsonify(camera_usages)
 
 
 # return hourly summary for recordings of camera

frigate/storage.py

@@ -60,6 +60,23 @@ class StorageMaintainer(threading.Thread):
             self.camera_storage_stats[camera]["bandwidth"] = bandwidth
             logger.debug(f"{camera} has a bandwidth of {bandwidth} MB/hr.")
 
+    def calculate_camera_usages(self) -> dict[str, dict]:
+        """Calculate the storage usage of each camera."""
+        usages: dict[str, dict] = {}
+        total_storage = 0
+
+        for camera in self.config.cameras.keys():
+            camera_storage = (
+                Recordings.select(fn.SUM(Recordings.segment_size))
+                .where(Recordings.camera == camera, Recordings.segment_size != 0)
+                .scalar()
+            )
+            total_storage += camera_storage
+            usages[camera] = {"usage": camera_storage}
+
+        usages["total"] = {"usage": total_storage}
+        return usages
+
     def check_storage_needs_cleanup(self) -> bool:
         """Return if storage needs cleanup."""
         # currently runs cleanup if less than 1 hour of space is left