traewelling pull: skip API request for checked-in users

	my $request_count = 0;

	for my $account_data ( $self->app->traewelling->get_pull_accounts ) {

		my $in_transit = $self->app->in_transit->get(

			uid => $account_data->{user_id},

		);

		if ($in_transit) {

			$self->app->log->debug(

"Skipping Traewelling status pull for UID $account_data->{user_id}: already checked in"

			);

			next;

		}

		# $account_data->{user_id} is the travelynx uid

		# $account_data->{user_name} is the Träwelling username

		$request_count += 1;

		$self->app->log->debug(

"Scheduling Traewelling status pull for UID $account_data->{user_id}"

		);

		Mojo::Promise->timer( $request_count * 0.2 )->then(

		# In 'work', the event loop is not running,

		# so there's no need to multiply by $request_count at the moment

		Mojo::Promise->timer(0.5)->then(

			sub {

				return $self->app->traewelling_api->get_status_p(

					username => $account_data->{data}{user_name},