Method edit_bulk

apps/channels/api_views.py:1051–1397

Bulk edit channels efficiently. Validates all updates first, then applies in a single transaction.

(self, request)

    )
    @action(detail=False, methods=["patch"], url_path="edit/bulk")
    def edit_bulk(self, request):
        """
        Bulk edit channels efficiently.
        Validates all updates first, then applies in a single transaction.
        """
        data = request.data
        if not isinstance(data, list):
            return Response(
                {"error": "Expected a list of channel updates"},
                status=status.HTTP_400_BAD_REQUEST,
            )

        # Extract IDs and validate presence
        channel_updates = {}
        missing_ids = []

        for i, channel_data in enumerate(data):
            channel_id = channel_data.get("id")
            if not channel_id:
                missing_ids.append(f"Item {i}: Channel ID is required")
            else:
                channel_updates[channel_id] = channel_data

        if missing_ids:
            return Response(
                {"errors": missing_ids},
                status=status.HTTP_400_BAD_REQUEST,
            )

        # Fetch all channels at once (one query)
        channels_dict = {
            c.id: c for c in Channel.objects.filter(id__in=channel_updates.keys())
        }

        # Validate and prepare updates
        validated_updates = []
        errors = []

        for channel_id, channel_data in channel_updates.items():
            channel = channels_dict.get(channel_id)

            if not channel:
                errors.append({
                    "channel_id": channel_id,
                    "error": "Channel not found"
                })
                continue

            # Handle channel_group_id conversion
            if 'channel_group_id' in channel_data:
                group_id = channel_data['channel_group_id']
                if group_id is not None:
                    try:
                        channel_data['channel_group_id'] = int(group_id)
                    except (ValueError, TypeError):
                        channel_data['channel_group_id'] = None

            # Validate with serializer