added message at top of page offering redirect to local lng

services/web/app/coffee/infrastructure/ExpressLocals.coffee

@@ -5,6 +5,7 @@ Settings = require('settings-sharelatex')
 SubscriptionFormatters = require('../Features/Subscription/SubscriptionFormatters')
 querystring = require('querystring')
 SystemMessageManager = require("../Features/SystemMessages/SystemMessageManager")
+_ = require("underscore")
 
 fingerprints = {}
 Path = require 'path'
@@ -137,3 +138,9 @@ module.exports = (app)->
 			res.locals.systemMessages = messages
 			next()
 
+	app.use (req, res, next)->
+		subdomain = _.find Settings.i18n.subdomainLang, (subdomain)->
+			subdomain.lngCode == req.showUserOtherLng
+		res.locals.recomendSubdomain = subdomain
+		next()
+

services/web/app/views/layout.jade

@@ -81,6 +81,8 @@ html(itemscope, itemtype='http://schema.org/Product')
 					a(href, ng-click="hide()").pull-right ×
 					.system-message-content(ng-bind-html="htmlContent")
 	
+		include translations/translation_message
+
 		- if(typeof(suppressNavbar) == "undefined")
 			include layout/navbar
 

services/web/app/views/translations/translation_message.jade

@@ -0,0 +1,10 @@
+- if(typeof(recomendSubdomain) != "undefined")
+	.translations-message
+		.container
+			.row
+				.col-md-12
+					a(href=recomendSubdomain.url) #{translate("click_here_to_view_sl_in_lng", {lngName:translate(recomendSubdomain.lngCode)})}
+						img(src="/img/flags/32/#{recomendSubdomain.lngCode}.png")
+					button.close
+						span(aria-hidden="true") ×
+						span.sr-only Close

services/web/config/settings.defaults.coffee

@@ -139,7 +139,6 @@ module.exports =
 		features: defaultFeatures
 	}]
 
-
 	# i18n
 	# ------
 	#