From 76cb444aba65aa04105f83e33a039f3b873e758b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Felix=20G=C3=BCndling?= <felix.guendling@gmail.com>
Date: Fri, 17 Dec 2021 11:48:24 +0100
Subject: [PATCH] gtfs: make parser more robust by not requiring every trip in
 stop_times.txt to exist

---
 base/loader/src/gtfs/stop_time.cc | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/base/loader/src/gtfs/stop_time.cc b/base/loader/src/gtfs/stop_time.cc
index 04d9d72ee..14e522eaf 100644
--- a/base/loader/src/gtfs/stop_time.cc
+++ b/base/loader/src/gtfs/stop_time.cc
@@ -70,7 +70,13 @@ void read_stop_times(loaded_file const& file, trip_map& trips,
     if (last_trip != nullptr && t_id == last_trip_id) {
       t = last_trip;
     } else {
-      t = trips.at(t_id).get();
+      auto const trip_it = trips.find(t_id);
+      if (trip_it == end(trips)) {
+        LOG(logging::error) << "trip \"" << t_id << "\" in " << file.name()
+                            << ":" << i << " not found";
+        continue;
+      }
+      t = trip_it->second.get();
       last_trip_id = t_id;
       last_trip = t;
     }