Work for signposting

server.ts

@@ -180,6 +180,15 @@ export function app() {
     changeOrigin: true
   }));
 
+    /**
+   * Proxy the linksets
+   */
+    router.use('/linksets**', createProxyMiddleware({
+      target: `${environment.rest.baseUrl}/linksets`,
+      pathRewrite: path => path.replace(environment.ui.nameSpace, '/'),
+      changeOrigin: true
+    }));
+
   /**
    * Checks if the rateLimiter property is present
    * When it is present, the rateLimiter will be enabled. When it is undefined, the rateLimiter will be disabled.

src/app/core/metadata-item/metadata-item.service.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { MetadataItemService } from './metadata-item.service';
+
+describe('MetadataItemService', () => {
+  let service: MetadataItemService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(MetadataItemService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});

src/app/core/metadata-item/metadata-item.service.ts

@@ -0,0 +1,70 @@
+import { Inject, Injectable } from '@angular/core';
+import { MetadataService } from '../metadata/metadata.service';
+import { ActivatedRoute, NavigationEnd, Event as NavigationEvent, NavigationStart, Router } from '@angular/router';
+import { TranslateService } from '@ngx-translate/core';
+import { Meta, Title } from '@angular/platform-browser';
+import { DSONameService } from '../breadcrumbs/dso-name.service';
+import { BundleDataService } from '../data/bundle-data.service';
+import { BitstreamDataService } from '../data/bitstream-data.service';
+import { BitstreamFormatDataService } from '../data/bitstream-format-data.service';
+import { RootDataService } from '../data/root-data.service';
+import { CoreState } from '../core-state.model';
+import { Store } from '@ngrx/store';
+import { HardRedirectService } from '../services/hard-redirect.service';
+import { APP_CONFIG, AppConfig } from 'src/config/app-config.interface';
+import { AuthorizationDataService } from '../data/feature-authorization/authorization-data.service';
+import { filter, map, switchMap, take, mergeMap } from 'rxjs/operators';
+import { DOCUMENT } from '@angular/common';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class MetadataItemService extends MetadataService {
+
+  constructor(
+    private router1: ActivatedRoute,
+    router: Router,
+    translate: TranslateService,
+    meta: Meta,
+    title: Title,
+    dsoNameService: DSONameService,
+    bundleDataService: BundleDataService,
+    bitstreamDataService: BitstreamDataService,
+    bitstreamFormatDataService: BitstreamFormatDataService,
+    rootService: RootDataService,
+    store: Store<CoreState>,
+    hardRedirectService: HardRedirectService,
+    @Inject(APP_CONFIG) appConfig: AppConfig,
+    authorizationService: AuthorizationDataService,
+    @Inject(DOCUMENT) private document: Document
+  ) { 
+    super(router, translate, meta, title, dsoNameService, bundleDataService, bitstreamDataService, bitstreamFormatDataService, rootService, store, hardRedirectService, appConfig, authorizationService);
+  }
+
+  public checkCurrentRoute(){
+
+    console.log(this.router);
+
+    this.router1.url.subscribe(url => {
+      console.log(url);
+      console.log(url[0].path);
+    });
+
+    // this.router.events.subscribe((event: NavigationEvent) => {
+    //   if(event instanceof NavigationStart) {
+    //     if(event.url.startsWith('/entities')){
+    //       console.log('We are on ENTITIES!');
+    //     }
+    //   }
+    // });
+  }
+
+  setLinkTag(){
+    this.clearMetaTags();
+
+    let link: HTMLLinkElement = this.document.createElement('link');
+    link.setAttribute('rel', '');
+    link.setAttribute('href', '');
+    this.document.head.appendChild(link);
+  }
+}

src/app/core/metadata/metadata.service.ts

@@ -84,7 +84,7 @@ export class MetadataService {
   ];
 
   constructor(
-    private router: Router,
+    protected router: Router,
     private translate: TranslateService,
     private meta: Meta,
     private title: Title,
@@ -363,6 +363,15 @@ export class MetadataService {
     }
   }
 
+  /**
+ * Add <meta name="link" ... >  to the <head>
+ */
+  // private setLinkTag(): void {
+  //   const value = this.getMetaTagValue('dc.link');
+  //   this.meta.addTag({ name: 'Link', content: value });
+  //   this.addMetaTag('Link', value);
+  // }
+
   getBitLinkIfDownloadable(bitstream: Bitstream, bitstreamRd: RemoteData<PaginatedList<Bitstream>>): Observable<string> {
     return observableOf(bitstream).pipe(
       getDownloadableBitstream(this.authorizationService),

src/app/init.service.ts

@@ -24,6 +24,7 @@ import { isAuthenticationBlocking } from './core/auth/selectors';
 import { distinctUntilChanged, find } from 'rxjs/operators';
 import { Observable } from 'rxjs';
 import { MenuService } from './shared/menu/menu.service';
+import { MetadataItemService } from './core/metadata-item/metadata-item.service';
 
 /**
  * Performs the initialization of the app.
@@ -50,6 +51,7 @@ export abstract class InitService {
     protected localeService: LocaleService,
     protected angulartics2DSpace: Angulartics2DSpace,
     protected metadata: MetadataService,
+    protected metadataItem: MetadataItemService,
     protected breadcrumbsService: BreadcrumbsService,
     protected themeService: ThemeService,
     protected menuService: MenuService,
@@ -188,6 +190,7 @@ export abstract class InitService {
     this.breadcrumbsService.listenForRouteChanges();
     this.themeService.listenForRouteChanges();
     this.menuService.listenForRouteChanges();
+    this.metadataItem.checkCurrentRoute();
   }
 
   /**

src/modules/app/browser-init.service.ts

@@ -32,6 +32,7 @@ import { logStartupMessage } from '../../../startup-message';
 import { MenuService } from '../../app/shared/menu/menu.service';
 import { RootDataService } from '../../app/core/data/root-data.service';
 import { firstValueFrom, Subscription } from 'rxjs';
+import { MetadataItemService } from 'src/app/core/metadata-item/metadata-item.service';
 
 /**
  * Performs client-side initialization.
@@ -51,6 +52,7 @@ export class BrowserInitService extends InitService {
     protected angulartics2DSpace: Angulartics2DSpace,
     protected googleAnalyticsService: GoogleAnalyticsService,
     protected metadata: MetadataService,
+    protected metadataItem: MetadataItemService,
     protected breadcrumbsService: BreadcrumbsService,
     protected klaroService: KlaroService,
     protected authService: AuthService,
@@ -66,6 +68,7 @@ export class BrowserInitService extends InitService {
       localeService,
       angulartics2DSpace,
       metadata,
+      metadataItem,
       breadcrumbsService,
       themeService,
       menuService,

src/modules/app/server-init.service.ts

@@ -21,6 +21,7 @@ import { BreadcrumbsService } from '../../app/breadcrumbs/breadcrumbs.service';
 import { ThemeService } from '../../app/shared/theme-support/theme.service';
 import { take } from 'rxjs/operators';
 import { MenuService } from '../../app/shared/menu/menu.service';
+import { MetadataItemService } from 'src/app/core/metadata-item/metadata-item.service';
 
 /**
  * Performs server-side initialization.
@@ -36,9 +37,10 @@ export class ServerInitService extends InitService {
     protected localeService: LocaleService,
     protected angulartics2DSpace: Angulartics2DSpace,
     protected metadata: MetadataService,
+    protected metadataItem: MetadataItemService,
     protected breadcrumbsService: BreadcrumbsService,
     protected themeService: ThemeService,
-    protected menuService: MenuService,
+    protected menuService: MenuService
   ) {
     super(
       store,
@@ -48,6 +50,7 @@ export class ServerInitService extends InitService {
       localeService,
       angulartics2DSpace,
       metadata,
+      metadataItem,
       breadcrumbsService,
       themeService,
       menuService,