From a9a0d270cb0bdb4aa28a118875cc20bef0ae8929 Mon Sep 17 00:00:00 2001
From: "argiro.kokogiannaki"
 <argiro.kokogiannaki@d315682c-612b-4755-9ff5-7f18f6832af3>
Date: Fri, 13 Nov 2020 16:34:39 +0000
Subject: [PATCH] [Library | Trunk]

Add clearSubscription in layout service



git-svn-id: https://svn.driver.research-infrastructures.eu/driver/dnet40/modules/uoa-services-library/trunk/ng-openaire-library/src/app@59846 d315682c-612b-4755-9ff5-7f18f6832af3
---
 .../sharedComponents/sidebar/layout.service.ts    | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/dashboard/sharedComponents/sidebar/layout.service.ts b/dashboard/sharedComponents/sidebar/layout.service.ts
index dec644cc..c5e1646e 100644
--- a/dashboard/sharedComponents/sidebar/layout.service.ts
+++ b/dashboard/sharedComponents/sidebar/layout.service.ts
@@ -1,5 +1,5 @@
 import {Injectable} from "@angular/core";
-import {BehaviorSubject, Observable} from "rxjs";
+import {BehaviorSubject, Observable, Subscriber} from "rxjs";
 import {ActivationStart, Router} from "@angular/router";
 
 @Injectable({
@@ -36,8 +36,19 @@ export class LayoutService {
   private _isFrontPageSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
   private _isSmallScreenSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
 
+  sub:any;
+
+  ngOnDestroy() {
+    this.clearSubscriptions();
+  }
+
+  clearSubscriptions(){
+    if (this.sub instanceof Subscriber) {
+      this.sub.unsubscribe();
+    }
+  }
   constructor(private router: Router) {
-    this.router.events.subscribe(event => {
+    this.sub = this.router.events.subscribe(event => {
       if (event instanceof ActivationStart) {
         let data = event.snapshot.data;
         if (data['hasSidebar'] !== undefined &&