fix: participants update from daily (#749)

* Fix participants update from daily

* Use track keys from params

server/reflector/worker/process.py

@@ -12,7 +12,7 @@ from celery import shared_task
 from celery.utils.log import get_task_logger
 from pydantic import ValidationError
 
-from reflector.dailyco_api import MeetingParticipantsResponse, RecordingResponse
+from reflector.dailyco_api import RecordingResponse
 from reflector.db.daily_participant_sessions import (
     DailyParticipantSession,
     daily_participant_sessions_controller,
@@ -22,7 +22,6 @@ from reflector.db.recordings import Recording, recordings_controller
 from reflector.db.rooms import rooms_controller
 from reflector.db.transcripts import (
     SourceKind,
-    TranscriptParticipant,
     transcripts_controller,
 )
 from reflector.pipelines.main_file_pipeline import task_pipeline_file_process
@@ -40,7 +39,6 @@ from reflector.utils.daily import (
     DailyRoomName,
     extract_base_room_name,
     filter_cam_audio_tracks,
-    parse_daily_recording_filename,
     recording_lock_key,
 )
 from reflector.video_platforms.factory import create_platform_client
@@ -275,15 +273,7 @@ async def _process_multitrack_recording_inner(
     # else: Recording already exists; metadata set at creation time
 
     transcript = await transcripts_controller.get_by_recording_id(recording.id)
-    if transcript:
-        await transcripts_controller.update(
-            transcript,
-            {
-                "topics": [],
-                "participants": [],
-            },
-        )
-    else:
+    if not transcript:
         transcript = await transcripts_controller.add(
             "",
             source_kind=SourceKind.ROOM,
@@ -296,77 +286,6 @@ async def _process_multitrack_recording_inner(
             room_id=room.id,
         )
 
-    try:
-        async with create_platform_client("daily") as daily_client:
-            id_to_name = {}
-            id_to_user_id = {}
-
-            try:
-                rec_details = await daily_client.get_recording(recording_id)
-                mtg_session_id = rec_details.mtgSessionId
-                if mtg_session_id:
-                    try:
-                        payload: MeetingParticipantsResponse = (
-                            await daily_client.get_meeting_participants(mtg_session_id)
-                        )
-                        for p in payload.data:
-                            pid = p.participant_id
-                            assert (
-                                pid is not None
-                            ), "panic! participant id cannot be None"
-                            name = p.user_name
-                            user_id = p.user_id
-                            if name:
-                                id_to_name[pid] = name
-                            if user_id:
-                                id_to_user_id[pid] = user_id
-                    except Exception as e:
-                        logger.warning(
-                            "Failed to fetch Daily meeting participants",
-                            error=str(e),
-                            mtg_session_id=mtg_session_id,
-                            exc_info=True,
-                        )
-                else:
-                    logger.warning(
-                        "No mtgSessionId found for recording; participant names may be generic",
-                        recording_id=recording_id,
-                    )
-            except Exception as e:
-                logger.warning(
-                    "Failed to fetch Daily recording details",
-                    error=str(e),
-                    recording_id=recording_id,
-                    exc_info=True,
-                )
-
-            cam_audio_keys = filter_cam_audio_tracks(track_keys)
-
-            for idx, key in enumerate(cam_audio_keys):
-                try:
-                    parsed = parse_daily_recording_filename(key)
-                    participant_id = parsed.participant_id
-                except ValueError as e:
-                    logger.error(
-                        "Failed to parse Daily recording filename",
-                        error=str(e),
-                        key=key,
-                        exc_info=True,
-                    )
-                    continue
-
-                default_name = f"Speaker {idx}"
-                name = id_to_name.get(participant_id, default_name)
-                user_id = id_to_user_id.get(participant_id)
-
-                participant = TranscriptParticipant(
-                    id=participant_id, speaker=idx, name=name, user_id=user_id
-                )
-                await transcripts_controller.upsert_participant(transcript, participant)
-
-    except Exception as e:
-        logger.warning("Failed to map participant names", error=str(e), exc_info=True)
-
     task_pipeline_multitrack_process.delay(
         transcript_id=transcript.id,
         bucket_name=bucket_name,