ui/channel.go
func (h *Handler) GetChannelsUsage(tkn string, ids []string) (map[string]Usage, error) {
	logger := h.logger.Add("method", "GetChannelsUsage", "objectType", "channel", "objectIDs", ids)

	if !h.token.Check(tkn) {
		logger.Warn("access denied")
		return nil, ErrAccessDenied
	}

	return h.getChannelsUsages(logger, ids)
}
func (h *Handler) GetChannelsUsage(tkn string, ids []string) (map[string]Usage, error) {
	logger := h.logger.Add("method", "GetChannelsUsage", "objectType", "channel", "objectIDs", ids)

	if !h.token.Check(tkn) {
		logger.Warn("access denied")
		return nil, ErrAccessDenied
	}

	return h.getChannelsUsages(logger, ids)
}
// GetChannelsUsage returns detailed usage on channels.