1 files changed, 79 insertions, 0 deletions
diff --git a/sdnr/wt/odlux/framework/src/middleware/navigation.ts b/sdnr/wt/odlux/framework/src/middleware/navigation.ts
new file mode 100644
index 000000000..d5cdcd44b
--- /dev/null
+++ b/sdnr/wt/odlux/framework/src/middleware/navigation.ts
@@ -0,0 +1,79 @@
+/**
+ * ============LICENSE_START========================================================================
+ * ONAP : ccsdk feature sdnr wt odlux
+ * =================================================================================================
+ * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
+ * =================================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ * ============LICENSE_END==========================================================================
+ */
+import { Location, History, createHashHistory } from "history";
+
+import { ApplicationStore } from "../store/applicationStore";
+import { Dispatch } from '../flux/store';
+
+import { LocationChanged, NavigateToApplication } from "../actions/navigationActions";
+import { PushAction, ReplaceAction, GoAction, GoBackAction, GoForwardeAction } from '../actions/navigationActions';
+
+import { applicationManager } from "../services/applicationManager";
+
+const routerMiddlewareCreator = (history: History) => () => (next: Dispatch): Dispatch => (action) => {
+
+  if (action instanceof NavigateToApplication) {
+    const application = applicationManager.applications && applicationManager.applications[action.applicationName];
+    if (application) {
+      const href = `/${application.path || application.name}${action.href ? '/' + action.href : ''}`.replace(/\/{2,}/i, '/');
+      if (action.replace) {
+        history.replace(href, action.state);
+      } else {
+        history.push(href, action.state);
+      }
+    }
+  } else if (action instanceof PushAction) {
+    history.push(action.href, action.state);
+  } else if (action instanceof ReplaceAction) {
+    history.replace(action.href, action.state);
+  } else if (action instanceof GoAction) {
+    history.go(action.index);
+  } else if (action instanceof GoBackAction) {
+    history.goBack();
+  } else if (action instanceof GoForwardeAction) {
+    history.goForward();
+  } else if (action instanceof LocationChanged) {
+    // ensure user is logged in and token is valid
+    if (!action.pathname.startsWith("/login") && applicationStore && (!applicationStore.state.framework.authenticationState.user || !applicationStore.state.framework.authenticationState.user.isValid)) {
+      history.replace(`/login?returnTo=${action.pathname}`);
+    } else {
+      return next(action);
+    }
+  } else {
+    return next(action);
+  }
+  return action;
+};
+
+function startListener(history: History, store: ApplicationStore) {
+  store.dispatch(new LocationChanged(history.location.pathname, history.location.search, history.location.hash));
+  history.listen((location: Location) => {
+    store.dispatch(new LocationChanged(location.pathname, location.search, location.hash));
+  });
+}
+
+const history = createHashHistory();
+let applicationStore: ApplicationStore | null = null;
+
+export function startHistoryListener(store: ApplicationStore) {
+  applicationStore = store;
+  startListener(history, store);
+}
+
+export const routerMiddleware = routerMiddlewareCreator(history);
+export default routerMiddleware;