Build afterLayergroupCreate middleware as an array of middlewares instead of preforming all them as one middleware

lib/cartodb/controllers/map.js

@@ -299,72 +299,25 @@ function respond (req, res) {
 }
 
 MapController.prototype.afterLayergroupCreateBuilder = function (options = {}) {
-    const self = this;
     const {
         useTemplateHash = false,
         includeQuery = false
     } = options;
 
-    return function (req, res, callback) {
-        step(
-            function incrementMapViewCount () {
-                self.incrementMapViewCount(req, res, this);
-            },
-            function augmentLayergroupData (err) {
-                assert.ifError(err);
-                self.augmentLayergroupData(req, res, this);
-            },
-            function getAffectedTables (err) {
-                assert.ifError(err);
-                self.getAffectedTables(req, res, this);
-            },
-            function setCacheChannel (err) {
-                assert.ifError(err);
-                self.setCacheChannel(req, res, this);
-            },
-            function setLastUpdatedTime (err) {
-                assert.ifError(err);
-                self.setLastUpdatedTimeToLayergroup(req, res, this);
-            },
-            function setCacheControl (err) {
-                assert.ifError(err);
-                self.setCacheControl(req, res, this);
-            },
-            function setLayerStats (err) {
-                assert.ifError(err);
-                self.setLayerStats(req, res, this);
-            },
-            function setLayergroupIdHeader (err) {
-                assert.ifError(err);
-
-                const setLayergroupIdHeader = self.setLayergroupIdHeaderBuilder(useTemplateHash);
-
-                setLayergroupIdHeader(req, res, this);
-            },
-            function (err) {
-                assert.ifError(err);
-                self.setDataviewsAndWidgetsUrlsToLayergroupMetadata(req, res, this);
-            },
-            function setAnalysesMetadataToLayergroup(err) {
-                assert.ifError(err);
-
-                const setAnalysesMetadataToLayergroup = self.setAnalysesMetadataToLayergroupBuilder(includeQuery);
-
-                setAnalysesMetadataToLayergroup(req, res, this);
-            },
-            function setTurboCartoMetadataToLayergroup (err) {
-                assert.ifError(err);
-                self.setTurboCartoMetadataToLayergroup(req, res, this);
-            },
-            function setSurrogateKeyHeader (err) {
-                assert.ifError(err);
-                self.setSurrogateKeyHeader(req, res, this);
-            },
-            function finish(err) {
-                callback(err);
-            }
-        );
-    };
+    return [
+        this.incrementMapViewCount.bind(this),
+        this.augmentLayergroupData.bind(this),
+        this.getAffectedTables.bind(this),
+        this.setCacheChannel.bind(this),
+        this.setLastUpdatedTimeToLayergroup.bind(this),
+        this.setCacheControl.bind(this),
+        this.setLayerStats.bind(this),
+        this.setLayergroupIdHeaderBuilder(useTemplateHash),
+        this.setDataviewsAndWidgetsUrlsToLayergroupMetadata.bind(this),
+        this.setAnalysesMetadataToLayergroupBuilder(includeQuery),
+        this.setTurboCartoMetadataToLayergroup.bind(this),
+        this.setSurrogateKeyHeader.bind(this)
+    ];
 };
 
 MapController.prototype.incrementMapViewCount = function (req, res, callback) {