Extract augment layergroup data middleware

lib/cartodb/controllers/map/anonymous.js

@@ -1,4 +1,3 @@
-const _ = require('underscore');
 const windshaft = require('windshaft');
 const MapConfig = windshaft.model.MapConfig;
 const Datasource = windshaft.model.Datasource;
@@ -11,6 +10,7 @@ const authorize = require('../../middleware/authorize');
 const initProfiler = require('./middlewares/init-profiler');
 const checkJsonContentType = require('./middlewares/check-json-content-type');
 const incrementMapViewCount = require('./middlewares/increment-map-view-count');
+const augmentLayergroupData = require('./middlewares/augment-layergroup-data');
 const cacheControlHeader = require('../../middleware/cache-control-header');
 const cacheChannelHeader = require('../../middleware/cache-channel-header');
 const surrogateKeyHeader = require('../../middleware/surrogate-key-header');
@@ -216,19 +216,6 @@ function createLayergroup (mapBackend, userLimitsApi, pgConnection, affectedTabl
     };
 }
 
-function augmentLayergroupData () {
-    return function augmentLayergroupDataMiddleware (req, res, next) {
-        const layergroup = res.body;
-
-        // include in layergroup response the variables in serverMedata
-        // those variables are useful to send to the client information
-        // about how to reach this server or information about it
-        _.extend(layergroup, global.environment.serverMetadata);
-
-        next();
-    };
-}
-
 function setLastUpdatedTimeToLayergroup () {
     return function setLastUpdatedTimeToLayergroupMiddleware (req, res, next) {
         const { mapConfigProvider, analysesResults } = res.locals;

lib/cartodb/controllers/map/middlewares/augment-layergroup-data.js

@@ -0,0 +1,14 @@
+const _ = require('underscore');
+
+module.exports = function augmentLayergroupData () {
+    return function augmentLayergroupDataMiddleware (req, res, next) {
+        const layergroup = res.body;
+
+        // include in layergroup response the variables in serverMedata
+        // those variables are useful to send to the client information
+        // about how to reach this server or information about it
+        _.extend(layergroup, global.environment.serverMetadata);
+
+        next();
+    };
+};

lib/cartodb/controllers/map/named.js

@@ -7,6 +7,7 @@ const authorize = require('../../middleware/authorize');
 const initProfiler = require('./middlewares/init-profiler');
 const checkJsonContentType = require('./middlewares/check-json-content-type');
 const incrementMapViewCount = require('./middlewares/increment-map-view-count');
+const augmentLayergroupData = require('./middlewares/augment-layergroup-data');
 const cacheControlHeader = require('../../middleware/cache-control-header');
 const cacheChannelHeader = require('../../middleware/cache-channel-header');
 const surrogateKeyHeader = require('../../middleware/surrogate-key-header');
@@ -222,19 +223,6 @@ function instantiateLayergroup (mapBackend, userLimitsApi, pgConnection, affecte
     };
 }
 
-function augmentLayergroupData () {
-    return function augmentLayergroupDataMiddleware (req, res, next) {
-        const layergroup = res.body;
-
-        // include in layergroup response the variables in serverMedata
-        // those variables are useful to send to the client information
-        // about how to reach this server or information about it
-        _.extend(layergroup, global.environment.serverMetadata);
-
-        next();
-    };
-}
-
 function setLastUpdatedTimeToLayergroup () {
     return function setLastUpdatedTimeToLayergroupMiddleware (req, res, next) {
         const { mapConfigProvider, analysesResults } = res.locals;