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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;
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