From 1ae52b822552fc2855a819acb571c7dde3a7ee83 Mon Sep 17 00:00:00 2001
From: Anton Khorev <tony29@yandex.ru>
Date: Mon, 12 Aug 2024 08:09:54 +0300
Subject: [PATCH] Swap cached reverse geocodes when reversing directions

Do this instead of putting reversed input values into url.
---
 app/assets/javascripts/index/directions-endpoint.js | 9 +++++++++
 app/assets/javascripts/index/directions.js          | 3 +--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/app/assets/javascripts/index/directions-endpoint.js b/app/assets/javascripts/index/directions-endpoint.js
index 3b1a3bf44ba..9477c82f5bc 100644
--- a/app/assets/javascripts/index/directions-endpoint.js
+++ b/app/assets/javascripts/index/directions-endpoint.js
@@ -83,6 +83,15 @@ OSM.DirectionsEndpoint = function Endpoint(map, input, iconUrl, dragCallback, ch
     }
   };
 
+  endpoint.swapCachedReverseGeocodes = function (otherEndpoint) {
+    var g0 = endpoint.cachedReverseGeocode;
+    var g1 = otherEndpoint.cachedReverseGeocode;
+    delete endpoint.cachedReverseGeocode;
+    delete otherEndpoint.cachedReverseGeocode;
+    if (g0) otherEndpoint.cachedReverseGeocode = g0;
+    if (g1) endpoint.cachedReverseGeocode = g1;
+  };
+
   function getGeocode() {
     var viewbox = map.getBounds().toBBoxString(); // <sw lon>,<sw lat>,<ne lon>,<ne lat>
     var geocodeUrl = OSM.NOMINATIM_URL + "search?q=" + encodeURIComponent(endpoint.value) + "&format=json&viewbox=" + viewbox;
diff --git a/app/assets/javascripts/index/directions.js b/app/assets/javascripts/index/directions.js
index 18f5b0b9432..df56771055c 100644
--- a/app/assets/javascripts/index/directions.js
+++ b/app/assets/javascripts/index/directions.js
@@ -65,10 +65,9 @@ OSM.Directions = function (map) {
     if (coordTo) {
       routeTo = coordTo.lat + "," + coordTo.lng;
     }
+    endpoints[0].swapCachedReverseGeocodes(endpoints[1]);
 
     OSM.router.route("/directions?" + Qs.stringify({
-      from: $("#route_to").val(),
-      to: $("#route_from").val(),
       route: routeTo + ";" + routeFrom
     }));
   });