From 5371d42cdf8fa7a9e008dfb6083f3bdafc2edf0f Mon Sep 17 00:00:00 2001
From: Tom MacWright <tom@macwright.org>
Date: Fri, 7 Dec 2012 14:33:16 -0500
Subject: [PATCH] Continue with splitWay

---
 js/id/actions/split_way.js | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/js/id/actions/split_way.js b/js/id/actions/split_way.js
index 55623ce5e..18fc36992 100644
--- a/js/id/actions/split_way.js
+++ b/js/id/actions/split_way.js
@@ -13,17 +13,32 @@ iD.actions.SplitWay = function(nodeId) {
 
         // Create a 'b' way that contains all of the tags in the second
         // half of this way
-        var b = iD.Way({ tags: _.clone(way.tags), nodes: way.nodes.slice(idx) });
-        graph = graph.replace(b);
+        var newWay = iD.Way({ tags: _.clone(way.tags), nodes: way.nodes.slice(idx) });
+        graph = graph.replace(newWay);
+
         // Reduce the original way to only contain the first set of nodes
         graph = graph.replace(way.update({ nodes: way.nodes.slice(0, idx + 1) }), 'changed way direction');
 
-        var parentRelations = graph.parentRelations(way);
+        var parentRelations = graph.parentRelations(way.id);
+
+        function isVia(x) { return x.role = 'via'; }
+        function isSelf(x) { return x.id = way.id; }
 
         parentRelations.forEach(function(relation) {
-            console.log(relation);
             if (relation.tags.type === 'restriction') {
-                console.log(relation);
+                var via = _.find(relation.members, isVia);
+                var ownrole = _.find(relation.members, isSelf).role;
+                if (via && !_.contains(newWay.nodes, via.id)) {
+                    // the new way doesn't contain the node that's important
+                    // to the turn restriction, so we don't need to worry
+                    // about adding it to the turn restriction.
+                } else {
+                    graph = graph.replace(iD.actions.AddRelationMember(relation.id, {
+                        role: ownrole,
+                        id: newWay.id,
+                        type: 'way'
+                    }));
+                }
             }
         });