From eb5dad3b66fe6623c04fc739bf49f420570d2e2a Mon Sep 17 00:00:00 2001
From: "k.triantafyllou" <k.triantafyllou@d315682c-612b-4755-9ff5-7f18f6832af3>
Date: Thu, 18 Apr 2019 12:47:26 +0000
Subject: [PATCH] [Trunk|Library]: Communities Service: Add a subject to keep
 communities, a method to update them from the API and a method to get subject
 as Observable

git-svn-id: https://svn.driver.research-infrastructures.eu/driver/dnet40/modules/uoa-services-library/trunk/ng-openaire-library/src/app@55400 d315682c-612b-4755-9ff5-7f18f6832af3
---
 connect/communities/communities.service.ts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/connect/communities/communities.service.ts b/connect/communities/communities.service.ts
index c42082a4..eae9c9d0 100644
--- a/connect/communities/communities.service.ts
+++ b/connect/communities/communities.service.ts
@@ -3,11 +3,25 @@ import {Http} from '@angular/http';
 
 import {CommunityInfo} from '../community/communityInfo';
 import {EnvProperties} from '../../utils/properties/env-properties';
+import {BehaviorSubject, Observable} from "rxjs";
 
 @Injectable()
 export class CommunitiesService {
 
+    public communities: BehaviorSubject<CommunityInfo[]> = null;
+
     constructor(private http: Http) {
+        this.communities = new BehaviorSubject([]);
+    }
+
+    updateCommunities(properties: EnvProperties, url: string) {
+        this.getCommunities(properties, url).subscribe(res => {
+                this.communities.next(res);
+        })
+    }
+
+    getCommunitiesState() {
+        return this.communities.asObservable();
     }
 
     getCommunities(properties: EnvProperties, url: string) {