middleware refactor

src/middleware/render.js

@@ -0,0 +1,83 @@
+'use strict';
+
+var nconf = require('nconf');
+var translator = require('../../public/src/modules/translator');
+
+module.exports = function(middleware) {
+
+	middleware.processRender = function(req, res, next) {
+		// res.render post-processing, modified from here: https://gist.github.com/mrlannigan/5051687
+		var render = res.render;
+		res.render = function(template, options, fn) {
+			var self = this,
+				req = this.req,
+				defaultFn = function(err, str){
+					if (err) {
+						return req.next(err);
+					}
+
+					self.send(str);
+				};
+			options = options || {};
+
+			if ('function' === typeof options) {
+				fn = options;
+				options = {};
+			}
+
+			options.loggedIn = req.user ? parseInt(req.user.uid, 10) !== 0 : false;
+			options.relative_path = nconf.get('relative_path');
+			options.template = {name: template};
+			options.template[template] = true;
+			res.locals.template = template;
+
+			if (res.locals.isAPI) {
+				if (req.route && req.route.path === '/api/') {
+					options.title = '[[pages:home]]';
+				}
+
+				return res.json(options);
+			}
+
+			if ('function' !== typeof fn) {
+				fn = defaultFn;
+			}
+
+			var ajaxifyData = encodeURIComponent(JSON.stringify(options));
+			render.call(self, template, options, function(err, str) {
+				if (err) {
+					return fn(err);
+				}
+
+				str = str + '<input type="hidden" ajaxify-data="' + ajaxifyData + '" />';
+				str = (res.locals.postHeader ? res.locals.postHeader : '') + str + (res.locals.preFooter ? res.locals.preFooter : '');
+
+				if (res.locals.footer) {
+					str = str + res.locals.footer;
+				} else if (res.locals.adminFooter) {
+					str = str + res.locals.adminFooter;
+				}
+
+				if (res.locals.renderHeader || res.locals.renderAdminHeader) {
+					var method = res.locals.renderHeader ? middleware.renderHeader : middleware.admin.renderHeader;
+					method(req, res, options, function(err, template) {
+						if (err) {
+							return fn(err);
+						}
+						str = template + str;
+						var language = res.locals.config ? res.locals.config.userLang || 'en_GB' : 'en_GB';
+						language = req.query.lang || language;
+						translator.translate(str, language, function(translated) {
+							fn(err, translated);
+						});
+					});
+				} else {
+					fn(err, str);
+				}
+			});
+		};
+
+		next();
+	};
+
+};