connect user compoonent: update method to check if user is subscribed, avoiid double messages, make sure it redirects properly after login and subscribe

src/app/login/user.component.ts

@@ -4,12 +4,13 @@ import {ActivatedRoute} from '@angular/router';
 import {UserComponent} from '../openaireLibrary/login/user.component';
 import {EmailService} from "../openaireLibrary/utils/email/email.service";
 
-import {Session} from '../openaireLibrary/login/utils/helper.class';
+import {Session, User} from '../openaireLibrary/login/utils/helper.class';
 import {EnvProperties} from '../openaireLibrary/utils/properties/env-properties';
 import {SubscribeComponent} from '../utils/subscribe/subscribe.component';
 import {ConnectHelper} from '../openaireLibrary/connect/connectHelper';
 import {properties} from "../../environments/environment";
 import {Subscriber} from "rxjs";
+import {UserManagementService} from "../openaireLibrary/services/user-management.service";
 
 @Component({
   selector: 'openaire-user',
@@ -17,8 +18,7 @@ import {Subscriber} from "rxjs";
     <div id="tm-main" class="uk-section tm-middle">
       <div class="uk-margin-small-top">
         <user [mainComponent]=false></user>
-        <div *ngIf="!server" class=" uk-container uk-container-small uk-position-relative">
-
+        <div   class=" uk-container uk-container-small uk-position-relative">
           <div *ngIf="usercomponent.errorCode == '6' && !isSubscribed" class="uk-alert uk-alert-warning">
             <span *ngIf="!isSubscribed ">For this action you have to <span *ngIf="!loggedIn">login and</span> subscribe to the research community.
               <span *ngIf="subscribe && !subscribeLoading "> <span *ngIf="!loggedIn">Login and </span>Subscribe <a
@@ -27,13 +27,7 @@ import {Subscriber} from "rxjs";
             <span *ngIf="subscribeLoading ">Subscribing to community....</span>
             <span *ngIf="subscribeError ">An error occured while trying to subscribe to community....</span>
 
-          </div>
-          <div *ngIf="usercomponent.errorCode == '7'" class="uk-alert uk-alert-warning">
-            This action requires authentication.
-            <span *ngIf="!loggedIn">
-              Please  <a class="" (click)="login()"> sign in</a> to continue.
-             </span>
-          </div>
+          </div>           
         </div>
       </div>
     </div>
@@ -52,39 +46,59 @@ export class OpenaireUserComponent {
   isSubscribed: boolean = false;
   public server: boolean = true;
   loggedIn: boolean = false;
-  sub;
-  constructor(private _emailService: EmailService, private route: ActivatedRoute) {
+  private subscriptions = [];
+  public user: User;
+  public redirectUrl: string = "";
+  constructor(private _emailService: EmailService, private route: ActivatedRoute,
+              private userManagementsService: UserManagementService) {
   }
   ngOnDestroy() {
-    if (this.sub instanceof Subscriber) {
-      this.sub.unsubscribe();
-    }
+    this.subscriptions.forEach(subscription => {
+      if (subscription instanceof Subscriber) {
+        subscription.unsubscribe();
+      }
+    });
   }
   public ngOnInit() {
     if (typeof document !== 'undefined') {
       this.server = false;
-      this.loggedIn = Session.isLoggedIn();
     }
+    this.subscriptions.push(this.userManagementsService.getUserInfo(false).subscribe(user => {
+      this.user = user;
+      this.loggedIn = !!this.user;
+      this.isSubscribed = this.loggedIn && Session.isSubscribedTo('community', this.communityId, this.user);
+      if (this.isSubscribed) {
+        this.usercomponent.redirect(this.redirectUrl);
+      }
+    }));
     this.properties = properties;
-    this.sub = this.route.queryParams.subscribe(
-      communityId => {
+    this.subscriptions.push(this.route.queryParams.subscribe(
+      params => {
+        this.redirectUrl = params["redirectUrl"];
         this.communityId = ConnectHelper.getCommunityFromDomain(this.properties.domain);
         if (!this.communityId) {
-          this.communityId = communityId['communityId'];
+          this.communityId = params['communityId'];
         }
-        if (this.subscribe.subscribed) {
-          this.usercomponent.redirect();
+        if (this.isSubscribed) {
+          this.isSubscribed = true;
+          this.usercomponent.redirect(this.redirectUrl);
         }
-      });
+      }));
   }
 
+
   login() {
     this.usercomponent.logIn();
 
   }
 
   subscribeTo() {
-    if (this.subscribe && this.communityId) {
+    if(!this.loggedIn){
+      this.login();
+      return;
+    }
+
+    if (!this.isSubscribed && this.communityId) {
       this.subscribeLoading = true;
       this.subscribe.subscribe();
     }