Remove controler context from middlewares

lib/cartodb/controllers/analyses.js

@@ -14,24 +14,24 @@ AnalysesController.prototype.register = function (app) {
         cors(),
         userMiddleware(),
         this.prepareContext,
-        this.createPGClient(),
-        this.getDataFromQuery({ queryTemplate: catalogQueryTpl, key: 'catalog' }),
-        this.getDataFromQuery({ queryTemplate: tablesQueryTpl, key: 'tables' }),
-        this.prepareResponse(),
-        this.setCacheControlHeader(),
-        this.sendResponse(),
-        this.unathorizedError()
+        createPGClient(),
+        getDataFromQuery({ queryTemplate: catalogQueryTpl, key: 'catalog' }),
+        getDataFromQuery({ queryTemplate: tablesQueryTpl, key: 'tables' }),
+        prepareResponse(),
+        setCacheControlHeader(),
+        sendResponse(),
+        unathorizedError()
     );
 };
 
-AnalysesController.prototype.createPGClient = function () {
+function createPGClient () {
     return function createPGClientMiddleware (req, res, next) {
         res.locals.pg = new PSQL(dbParamsFromReqParams(res.locals));
         next();
     };
-};
+}
 
-AnalysesController.prototype.getDataFromQuery = function ({ queryTemplate, key }) {
+function getDataFromQuery({ queryTemplate, key }) {
     const readOnlyTransactionOn = true;
 
     return function getCatalogMiddleware(req, res, next) {
@@ -48,9 +48,9 @@ AnalysesController.prototype.getDataFromQuery = function ({ queryTemplate, key }
             next();
         }, readOnlyTransactionOn);
     };
-};
+}
 
-AnalysesController.prototype.prepareResponse = function () {
+function prepareResponse () {
     return function prepareResponseMiddleware (req, res, next) {
         const { catalog, tables } = res.locals;
 
@@ -91,16 +91,16 @@ AnalysesController.prototype.prepareResponse = function () {
 
         next();
     };
-};
+}
 
-AnalysesController.prototype.setCacheControlHeader = function () {
+function setCacheControlHeader () {
     return function setCacheControlHeaderMiddleware (req, res, next) {
         res.set('Cache-Control', 'public,max-age=10,must-revalidate');
         next();
     };
-};
+}
 
-AnalysesController.prototype.sendResponse = function() {
+function sendResponse () {
     return function sendResponseMiddleware (req, res) {
         res.status(200);
 
@@ -110,9 +110,9 @@ AnalysesController.prototype.sendResponse = function() {
             res.json(res.body);
         }
     };
-};
+}
 
-AnalysesController.prototype.unathorizedError = function () {
+function unathorizedError () {
     return function unathorizedErrorMiddleware(err, req, res, next) {
         if (err.message.match(/permission\sdenied/)) {
             err = new Error('Unauthorized');
@@ -121,7 +121,7 @@ AnalysesController.prototype.unathorizedError = function () {
 
         next(err);
     };
-};
+}
 
 const catalogQueryTpl = ctx => `
     SELECT analysis_def->>'type' as type, * FROM cdb_analysis_catalog WHERE username = '${ctx._username}'