API & Client: add user langage preferences in database

fittrackee_client/src/actions/index.js

@@ -1,3 +1,5 @@
+import i18next from 'i18next'
+
 import FitTrackeeApi from '../fitTrackeeApi/index'
 import { history } from '../index'
 
@@ -62,3 +64,7 @@ export const deleteData = (target, id) => dispatch => {
     })
     .catch(error => dispatch(setError(`${target}: ${error}`)))
 }
+
+export const updateLanguage = language => dispatch => {
+  i18next.changeLanguage(language).then(dispatch(setLanguage(language)))
+}

fittrackee_client/src/actions/user.js

@@ -2,7 +2,7 @@ import FitTrackeeGenericApi from '../fitTrackeeApi'
 import FitTrackeeApi from '../fitTrackeeApi/user'
 import { history } from '../index'
 import { generateIds } from '../utils'
-import { getOrUpdateData } from './index'
+import { getOrUpdateData, updateLanguage } from './index'
 
 const AuthError = message => ({ type: 'AUTH_ERROR', message })
 
@@ -34,6 +34,9 @@ export const getProfile = () => dispatch =>
       if (ret.status === 'success') {
         dispatch(getOrUpdateData('getData', 'sports'))
         ret.data.isAuthenticated = true
+        if (ret.data.language) {
+          dispatch(updateLanguage(ret.data.language))
+        }
         return dispatch(ProfileSuccess(ret.data))
       }
       return dispatch(ProfileError(ret.message))