From 635d380160933181a379871b19cfba7b5f4965e9 Mon Sep 17 00:00:00 2001
From: Teddy Wing
Date: Tue, 13 Mar 2018 18:10:46 +0100
Subject: RouteWayCostWorker: Fix recursive worker call

Since this method was run on `after_save` and in it
`RouteWayCostCalculator` calls `#update` on the given route, it caused
an infinite recursive call to the worker. To prevent this, wrap the
`#calculate!` call in methods that unset and reset the callback.

Refs #6095
---
 app/workers/route_way_cost_worker.rb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/workers/route_way_cost_worker.rb b/app/workers/route_way_cost_worker.rb
index fa5bd737d..2ec8cdff9 100644
--- a/app/workers/route_way_cost_worker.rb
+++ b/app/workers/route_way_cost_worker.rb
@@ -4,6 +4,11 @@ class RouteWayCostWorker
   def perform(referential_id, route_id)
     Referential.find(referential_id).switch
     route = Chouette::Route.find(route_id)
+
+    Chouette::Route.skip_callback(:save, :after, :calculate_costs!)
+
     RouteWayCostCalculator.new(route).calculate!
+
+    Chouette::Route.set_callback(:save, :after, :calculate_costs!)
   end
 end
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