after successful login the saved language of the user is set

webapp/pages/login.vue

@@ -7,12 +7,18 @@
 <script>
 import LoginForm from '~/components/LoginForm/LoginForm.vue'
 import { VERSION } from '~/constants/terms-and-conditions-version.js'
+import { mapGetters } from 'vuex'
 
 export default {
   layout: 'no-header',
   components: {
     LoginForm,
   },
+  computed: {
+    ...mapGetters({
+      user: 'auth/user',
+    }),
+  },
   asyncData({ store, redirect }) {
     if (store.getters['auth/user'].termsAndConditionsAgreedVersion === VERSION) {
       redirect('/')
@@ -20,6 +26,11 @@ export default {
   },
   methods: {
     handleSuccess() {
+      const currentLocale = this.$i18n.locale()
+      const userSettingLocale = this.user.locale
+      if (currentLocale !== userSettingLocale) {
+        this.$i18n.set(userSettingLocale)
+      }
       this.$router.replace(this.$route.query.path || '/')
     },
   },

webapp/store/auth.js

@@ -46,6 +46,9 @@ export const getters = {
   termsAndConditionsAgreed(state) {
     return state.user && state.user.termsAndConditionsAgreedVersion === VERSION
   },
+  locale(state) {
+    return state.locale
+  },
 }
 
 export const actions = {
@@ -84,6 +87,7 @@ export const actions = {
             role
             about
             locationName
+            locale
             contributionsCount
             commentedCount
             allowEmbedIframes