Method numbers_in_range

apps/channels/api_views.py:1703–1778

(self, request, *args, **kwargs)

    )
    @action(detail=False, methods=["get"], url_path="numbers-in-range")
    def numbers_in_range(self, request, *args, **kwargs):
        from .managers import with_effective_values

        raw_start = request.query_params.get("start")
        raw_end = request.query_params.get("end")
        if raw_start is None or raw_start == "":
            return Response({"occupants": []})
        try:
            start = float(raw_start)
        except (TypeError, ValueError):
            return Response(
                {"detail": "Invalid start value"},
                status=status.HTTP_400_BAD_REQUEST,
            )
        try:
            end = float(raw_end) if raw_end not in (None, "") else start
        except (TypeError, ValueError):
            return Response(
                {"detail": "Invalid end value"},
                status=status.HTTP_400_BAD_REQUEST,
            )
        if end < start:
            start, end = end, start

        queryset = (
            with_effective_values(
                Channel.objects.all(), select_related_fks=True
            )
            .filter(
                effective_channel_number__gte=start,
                effective_channel_number__lte=end,
            )
            .order_by("effective_channel_number")[:50]
        )

        occupants = []
        for occupant in queryset:
            effective_group = getattr(
                occupant, "effective_channel_group_obj", None
            )
            group_name = (
                getattr(effective_group, "name", None)
                if effective_group is not None
                else None
            )
            effective_group_id = getattr(
                occupant, "effective_channel_group_id", None
            )
            override = getattr(occupant, "override", None)
            override_sets_number = bool(
                override is not None and override.channel_number is not None
            )
            occupants.append(
                {
                    "id": occupant.id,
                    "name": getattr(
                        occupant, "effective_name", occupant.name
                    ),