From b0d565d65bcad0f5cb0cf1342c38f27a9388d4d4 Mon Sep 17 00:00:00 2001
From: Cassidy Dingenskirchen <admin@15318.de>
Date: Sun, 29 Jun 2025 16:58:04 +0200
Subject: /checkin/add: allow eliding date on intermediate stops

---
 lib/Travelynx/Controller/Traveling.pm | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

(limited to 'lib/Travelynx/Controller/Traveling.pm')

diff --git a/lib/Travelynx/Controller/Traveling.pm b/lib/Travelynx/Controller/Traveling.pm
index 30c9d60..74bb5c6 100755
--- a/lib/Travelynx/Controller/Traveling.pm
+++ b/lib/Travelynx/Controller/Traveling.pm
@@ -2621,6 +2621,11 @@ sub add_intransit_form {
 			locale    => 'de_DE',
 			time_zone => 'Europe/Berlin'
 		);
+		my $time_parser = DateTime::Format::Strptime->new(
+			pattern   => '%H:%M',
+			locale    => 'de_DE',
+			time_zone => 'Europe/Berlin'
+		);
 		my %opt;
 		my %trip;
 
@@ -2708,7 +2713,7 @@ sub add_intransit_form {
 
 		if ( $trip{route} ) {
 			my @unknown_stations;
-			my $prev_epoch;
+			my $prev_ts = $trip{sched_departure};
 			for my $station ( @{ $trip{route} } ) {
 				my $ts;
 				my %station_data;
@@ -2717,11 +2722,30 @@ sub add_intransit_form {
 				  )
 				{
 					$station = $+{stop};
-					$ts      = $parser->parse_datetime( $+{timestamp} );
-					if ( $ts and $ts->epoch > $prev_epoch ) {
+					# attempt to parse "07:08" short timestamp first
+					$ts = $time_parser->parse_datetime( $+{timestamp} );
+					if ( $ts ) {
+						# fill in last stop's (or at the first stop, our departure's)
+						# date to complete the datetime
+						$ts = $ts->set(
+							year => $prev_ts->year,
+							month => $prev_ts->month,
+							day => $prev_ts->day
+						);
+						# if we go back in time with this, assume we went
+						# over midnight and add a day, e.g. in case of a stop
+						# at 23:00 followed by one at 01:30
+						if ($ts < $prev_ts) {
+							$ts = $ts->add( days => 1 );
+						}
+					} else {
+						# do a full datetime parse
+						$ts = $parser->parse_datetime( $+{timestamp} );
+					}
+					if ( $ts and $ts >= $prev_ts ) {
 						$station_data{sched_arr} = $ts->epoch;
 						$station_data{sched_dep} = $ts->epoch;
-						$prev_epoch              = $ts->epoch;
+						$prev_ts              = $ts;
 					}
 					else {
 						$self->render(
-- 
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