Added user lang setting

imports/api/Users/server/methods.js

@@ -1,9 +1,15 @@
 import { Meteor } from 'meteor/meteor';
-import { check } from 'meteor/check';
+import { check, Match } from 'meteor/check';
 import { Accounts } from 'meteor/accounts-base';
 import editProfile from './edit-profile';
 import rateLimit from '../../../modules/rate-limit';
 
+const validLangCode = Match.Where((lang) => {
+  check(lang, String);
+  const regexp = /^[a-z]{2,3}(?:-[A-Z]{2,3}(?:-[a-zA-Z]{4})?)?$/;
+  return regexp.test(lang);
+});
+
 Meteor.methods({
   'users.sendVerificationEmail': function usersSendVerificationEmail() {
     return Accounts.sendVerificationEmail(this.userId);
@@ -14,24 +20,28 @@ Meteor.methods({
       profile: {
         name: {
           first: String,
-          last: String,
-        },
-      },
+          last: String
+        }
+      }
     });
 
     return editProfile({ userId: this.userId, profile })
-    .then(response => response)
-    .catch((exception) => {
-      throw new Meteor.Error('500', exception);
-    });
+      .then(response => response)
+      .catch((exception) => {
+        throw new Meteor.Error('500', exception);
+      });
   },
+  'users.setLang': function userLang(lang) {
+    check(lang, validLangCode);
+    Meteor.users.update({ _id: this.userId }, { $set: { lang } });
+  }
 });
 
 rateLimit({
   methods: [
     'users.sendVerificationEmail',
-    'users.editProfile',
+    'users.editProfile'
   ],
   limit: 5,
-  timeRange: 1000,
+  timeRange: 1000
 });