Method get_queryset

apps/channels/api_views.py:891–985

(self)

            return [Authenticated()]

    def get_queryset(self):
        # get_ids and summary only need the filter conditions, not the full
        # object graph. Skipping the 5 select_related joins and 2 prefetch
        # queries for those actions cuts their DB cost significantly.
        action = getattr(self, "action", None)
        qs = super().get_queryset()

        if action not in ("get_ids", "summary"):
            qs = qs.select_related(
                "channel_group",
                "logo",
                "epg_data",
                "stream_profile",
                "override",
                "auto_created_by",
            ).prefetch_related(
                "streams",
                # Default-attr prefetch shares the cache with M2M writes;
                # a named `to_attr` would isolate it and trigger N+1.
                Prefetch(
                    "channelstream_set",
                    queryset=ChannelStream.objects.select_related(
                        "stream__m3u_account"
                    ).order_by("order"),
                ),
            )

        channel_group = self.request.query_params.get("channel_group")
        if channel_group:
            group_names = channel_group.split(",")
            qs = qs.filter(channel_group__name__in=group_names)

        filters = {}
        q_filters = Q()

        channel_profile_id = self.request.query_params.get("channel_profile_id")
        show_disabled_param = self.request.query_params.get("show_disabled", None)
        only_streamless = self.request.query_params.get("only_streamless", None)
        only_stale = self.request.query_params.get("only_stale", None)
        only_has_overrides = self.request.query_params.get("only_has_overrides", None)
        visibility_filter = self.request.query_params.get("visibility_filter", "active")

        if channel_profile_id:
            try:
                profile_id_int = int(channel_profile_id)

                if show_disabled_param is None:
                    # Show only enabled channels: channels that have a membership
                    # record for this profile with enabled=True
                    # Default is DISABLED (channels without membership are hidden)
                    filters["channelprofilemembership__channel_profile_id"] = profile_id_int
                    filters["channelprofilemembership__enabled"] = True
                # If show_disabled is True, show all channels (no filtering needed)

            except (ValueError, TypeError):
                # Ignore invalid profile id values
                pass