From 531cb95c1773fe459a2ef4c9f2adc8d89e75a62d Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Mon, 20 May 2019 18:59:28 +0200
Subject: [PATCH] Handle accidental double-checkins

---
 lib/Travelynx.pm | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/Travelynx.pm b/lib/Travelynx.pm
index ff75898..d313b25 100755
--- a/lib/Travelynx.pm
+++ b/lib/Travelynx.pm
@@ -332,8 +332,14 @@ sub startup {
 					my $user = $self->get_user_status;
 					if ( $user->{checked_in} or $user->{cancelled} ) {
 
-                # If a user is already checked in, we assume that they forgot to
-                # check out and do it for them.
+						if (    $user->{train_id} eq $train_id
+							and $user->{dep_ds100} eq $status->{station_ds100} )
+						{
+							# checking in twice is harmless
+							return ( $train, undef );
+						}
+
+						# Otherwise, someone forgot to check out first
 						$self->checkout( $station, 1 );
 					}