125. Creating Guard (#15)

support-portal-frontend/src/app/guard/authentication.guard.ts

@@ -1,15 +1,31 @@
 import {Injectable} from '@angular/core';
-import {ActivatedRouteSnapshot, CanActivate, RouterStateSnapshot, UrlTree} from '@angular/router';
+import {ActivatedRouteSnapshot, CanActivate, Router, RouterStateSnapshot, UrlTree} from '@angular/router';
 import {Observable} from 'rxjs';
+import {AuthenticationService} from "../service/authentication.service";
 
 @Injectable({
   providedIn: 'root'
 })
 export class AuthenticationGuard implements CanActivate {
+
+  constructor(private authenticationService: AuthenticationService, private router: Router) {
+  }
+
   canActivate(
     route: ActivatedRouteSnapshot,
     state: RouterStateSnapshot): Observable<boolean | UrlTree> | Promise<boolean | UrlTree> | boolean | UrlTree {
-    return true;
+    return this.isUserLoggedIn();
   }
 
+  private isUserLoggedIn(): boolean {
+    if( this.authenticationService.isUserLoggedIn())
+      return true;
+    else {
+      this.router.navigate(['/login']);
+
+      //todo - send notification to user
+
+      return false;
+    }
+  }
 }

support-portal-frontend/src/app/service/authentication.service.ts

@@ -65,7 +65,7 @@ export class AuthenticationService {
     return this.token;
   }
 
-  public isLoggedIn(): boolean {
+  public isUserLoggedIn(): boolean {
     this.loadToken();
     if (this.token != null && this.token !== '') {
       let subject = this.jwtHelper.decodeToken(this.token).sub;