From 3303e2ba2266f89bb243b8700f46b20bfe01fa2d Mon Sep 17 00:00:00 2001
From: Arnas Bradauskas <140691866+arnasbr@users.noreply.github.com>
Date: Tue, 1 Oct 2024 11:35:50 +0300
Subject: [PATCH] Fixing error with some HERE responses (#16)

---
 src/traveltime_google_comparison/requests/here_handler.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/traveltime_google_comparison/requests/here_handler.py b/src/traveltime_google_comparison/requests/here_handler.py
index 9c5a9c9..0cc9804 100644
--- a/src/traveltime_google_comparison/requests/here_handler.py
+++ b/src/traveltime_google_comparison/requests/here_handler.py
@@ -62,6 +62,14 @@ async def send_request(
                         for section in first_route["sections"]
                     )
 
+                    # For some reason, HERE provider returns 0 duration, 0 length
+                    # for some routes in the mountains, but doesn't indicate anywhere
+                    # that it failed. Returning 0 fails `asType(int)` conversion later.
+                    # Example route in UK where this happens:
+                    # "58.61966879999991, -5.0040819999999995","58.578906999999894, -4.880025099999999"
+                    if total_duration == 0:
+                        return RequestResult(None)
+
                     return RequestResult(travel_time=total_duration)
                 else:
                     error_message = data.get("detailedError", "")