Handle failed attempts to create a token

If the Atmosphere API fails to create a token, the modal would still act as if it was trying to create the token.
Now, it will go back to the initial state of the modal (while still showing the entered name), and will present a notification with an error message.

troposphere/static/js/actions/APITokenActions.js

@@ -1,9 +1,10 @@
 import APITokenConstants from "constants/APITokenConstants";
 import APIToken from "models/APIToken";
+import NotificationController from "controllers/NotificationController";
 import Utils from "./Utils";
 
 export default {
-    create: ({name, atmo_user}, callback) => {
+    create: ({name, atmo_user}, successCallback, failCallback) => {
         if (!name) throw new Error("Missing Token name");
         if (!atmo_user) throw new Error("Missing Token author");
         let apiToken = new APIToken({
@@ -18,10 +19,16 @@ export default {
             .save()
             .done(() => {
                 Utils.dispatch(APITokenConstants.UPDATE_TOKEN, {apiToken});
-                callback(apiToken);
+                successCallback(apiToken);
             })
             .fail(() => {
                 Utils.dispatch(APITokenConstants.REMOVE_TOKEN, {apiToken});
+                NotificationController.error(
+                    "Error creating token.",
+                    "Your login might be expired. If you continue to see this error " +
+                    "after logging in again, contact support."
+                );
+                failCallback(apiToken);
             });
         return apiToken;
     },

troposphere/static/js/components/modals/api_token/APITokenCreate.jsx

@@ -37,12 +37,21 @@ export default React.createClass({
         this.setState({
             isSubmitting: true
         });
-        actions.APITokenActions.create(attributes, (response) => {
-            this.setState({
-                isSubmitting: false,
-                successView: true,
-                hash: response.changed.token
-            });
+        actions.APITokenActions.create(attributes, this.successCallback, this.failCallback);
+    },
+
+    successCallback(response) {
+        this.setState({
+            isSubmitting: false,
+            successView: true,
+            hash: response.changed.token
+        });
+    },
+
+    failCallback(response) {
+        this.setState({
+            isSubmitting: false,
+            successView: false
         });
     },