openaire-library/login/loginGuard.guard.ts

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import { Injectable } from '@angular/core';
import {Router, CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot, Route, CanLoad} from '@angular/router';
import {Observable} from 'rxjs/Observable';
import {Session} from './utils/helper.class';
import {LoginErrorCodes} from './utils/guardHelper.class';
@Injectable()
export class LoginGuard implements CanActivate, CanLoad {
constructor(private router: Router) {
}
check(path: string): boolean {
let loggedIn = false;
if (Session.isLoggedIn()) {
loggedIn = true;
}
if (!loggedIn) {
this.router.navigate(['/user-info'], {queryParams: {'errorCode': LoginErrorCodes.NOT_LOGIN, path}});
}
return loggedIn;
}
canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> | boolean {
return this.check(state.url);
}
canLoad(route: Route): Observable<boolean> | Promise<boolean> | boolean {
return this.check('/' + route.path);
}
}