From 63e4bcebefdd77f6be347472268f05bb9b11b02a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Garc=C3=ADa=20Aubert?=
 <danielgarciaaubert@gmail.com>
Date: Thu, 2 Aug 2018 13:13:48 +0200
Subject: [PATCH] Move function to class as private method

---
 .../adapter/mapconfig-overviews-adapter.js    | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/lib/cartodb/models/mapconfig/adapter/mapconfig-overviews-adapter.js b/lib/cartodb/models/mapconfig/adapter/mapconfig-overviews-adapter.js
index a50bfae0..e67a2513 100644
--- a/lib/cartodb/models/mapconfig/adapter/mapconfig-overviews-adapter.js
+++ b/lib/cartodb/models/mapconfig/adapter/mapconfig-overviews-adapter.js
@@ -18,16 +18,7 @@ MapConfigOverviewsAdapter.prototype.getMapConfig = function (user, requestMapCon
 
     var augmentLayersQueue = queue(layers.length);
 
-    layers.forEach(function (layer) {
-        augmentLayersQueue.defer(
-            augmentLayer,
-            this.overviewsMetadataBackend,
-            this.filterStatsBackend,
-            user,
-            layer,
-            analysesResults
-        );
-    });
+    layers.forEach(layer => augmentLayersQueue.defer(this._augmentLayer.bind(this), user, layer, analysesResults));
 
     augmentLayersQueue.awaitAll(function layersAugmentQueueFinish (err, layers) {
         if (err) {
@@ -44,12 +35,12 @@ MapConfigOverviewsAdapter.prototype.getMapConfig = function (user, requestMapCon
     });
 };
 
-function augmentLayer(overviewsMetadataBackend, filterStatsBackend, user, layer, analysesResults, callback) {
+MapConfigOverviewsAdapter.prototype._augmentLayer = function (user, layer, analysesResults, callback) {
     if (layer.type !== 'mapnik' && layer.type !== 'cartodb') {
         return callback(null, layer);
     }
 
-    overviewsMetadataBackend.getOverviewsMetadata(user, layer.options.sql, function (err, metadata) {
+    this.overviewsMetadataBackend.getOverviewsMetadata(user, layer.options.sql, (err, metadata) => {
         if (err) {
             return callback(err, layer);
         }
@@ -70,7 +61,7 @@ function augmentLayer(overviewsMetadataBackend, filterStatsBackend, user, layer,
 
         var unfilteredQuery = getUnfilteredQuery(analysesResults, layer);
 
-        filterStatsBackend.getFilterStats(user, unfilteredQuery, filters, function (err, stats) {
+        this.filterStatsBackend.getFilterStats(user, unfilteredQuery, filters, function (err, stats) {
             if (err) {
                 return callback(null, layer);
             }
@@ -83,7 +74,7 @@ function augmentLayer(overviewsMetadataBackend, filterStatsBackend, user, layer,
             return callback(null, layer);
         });
     });
-}
+};
 
 function getRootNode (analysesResults, sourceId) {
     var node = _.find(analysesResults, function (a) {