Propper error handling, when initial user auth failed

src/components/accounts/actions.js

@@ -22,6 +22,12 @@ import { setLocale } from 'components/i18n/actions';
 export function authenticate({token, refreshToken}) {
     return (dispatch) =>
         authentication.validateToken({token, refreshToken})
+            .catch(() => {
+                // TODO: log this case
+                dispatch(logout());
+
+                return Promise.reject();
+            })
             .then(({token, refreshToken}) =>
                 accounts.current({token})
                     .then((user) => ({
@@ -34,11 +40,7 @@ export function authenticate({token, refreshToken}) {
                             refreshToken
                         }
                     }))
-            , () => {
+            )
-                dispatch(logout());
-
-                return Promise.reject();
-            })
             .then(({user, account}) => {
                 dispatch(add(account));
                 dispatch(activate(account));

src/components/user/actions.js

@@ -2,7 +2,6 @@ import { routeActions } from 'react-router-redux';
 
 import accounts from 'services/api/accounts';
 import { logoutAll } from 'components/accounts/actions';
-import authentication from 'services/api/authentication';
 import { setLocale } from 'components/i18n/actions';
 
 export const UPDATE = 'USER_UPDATE';

src/components/user/factory.js

@@ -22,16 +22,21 @@ export function factory(store) {
     request.addMiddleware(refreshTokenMiddleware(store));
     request.addMiddleware(bearerHeaderMiddleware(store));
 
-    promise = new Promise((resolve, reject) => {
+    promise = Promise.resolve().then(() => {
         const {user, accounts} = store.getState();
 
         if (accounts.active || user.token) {
             // authorizing user if it is possible
-            return store.dispatch(authenticate(accounts.active || user)).then(resolve, reject);
+            return store.dispatch(authenticate(accounts.active || user));
         }
 
-        // auto-detect guests language
+        return Promise.reject();
-        store.dispatch(changeLang(user.lang)).then(resolve, reject);
+    }).catch(() => {
+        // the user is guest or user authentication failed
+        const {user} = store.getState();
+
+        // auto-detect guest language
+        return store.dispatch(changeLang(user.lang));
     });
 
     return promise;