🥅(summary) catch file-related exceptions when handling recording objects

Previously, if a recording file was not found in the bucket, the code would
crash. This adds proper error handling to avoid unhandled failures.

CHANGELOG.md

@@ -20,6 +20,7 @@ and this project adheres to
 - ♿️(frontend) sr pin/unpin announcements with dedicated messages #898
 - ♿(frontend) adjust sr announcements for idle disconnect timer #908
 - ♿️(frontend) add global screen reader announcer#922
+- 🥅(summary) catch file-related exceptions when handling recording #944
 
 ### Fixed
 

src/summary/summary/core/celery_worker.py

@@ -16,7 +16,7 @@ from urllib3.util import Retry
 
 from summary.core.analytics import MetadataManager, get_analytics
 from summary.core.config import get_settings
-from summary.core.file_service import FileService
+from summary.core.file_service import FileService, FileServiceException
 from summary.core.llm_service import LLMException, LLMObservability, LLMService
 from summary.core.prompt import (
     FORMAT_NEXT_STEPS,
@@ -145,6 +145,7 @@ def process_audio_transcribe_summarize_v2(
         max_retries=settings.whisperx_max_retries,
     )
 
+    try:
         with (
             file_service.prepare_audio_file(filename) as (audio_file, metadata),
         ):
@@ -176,6 +177,10 @@ def process_audio_transcribe_summarize_v2(
             logger.info("Transcription received in %.2f seconds.", transcription_time)
             logger.debug("Transcription: \n %s", transcription)
 
+    except FileServiceException:
+        logger.exception("Unexpected error for filename: %s", filename)
+        return
+
     metadata_manager.track_transcription_metadata(task_id, transcription)
 
     formatter = TranscriptFormatter()

src/summary/summary/core/file_service.py

@@ -8,12 +8,19 @@ from pathlib import Path
 
 import mutagen
 from minio import Minio
+from minio.error import MinioException, S3Error
 
 from summary.core.config import get_settings
 
 settings = get_settings()
 
 
+class FileServiceException(Exception):
+    """Base exception for file service operations."""
+
+    pass
+
+
 class FileService:
     """Service for downloading and preparing files from MinIO storage."""
 
@@ -79,6 +86,11 @@ class FileService:
 
                 return local_path
 
+        except (MinioException, S3Error) as e:
+            raise FileServiceException(
+                "Unexpected error while downloading object."
+            ) from e
+
         finally:
             if response:
                 response.close()