[Port to dspace-8_x] Fix for double view events when using dynamic themes

src/app/app-routes.ts

@@ -33,13 +33,15 @@ import { reloadGuard } from './core/reload/reload.guard';
 import { forgotPasswordCheckGuard } from './core/rest-property/forgot-password-check-guard.guard';
 import { ServerCheckGuard } from './core/server-check/server-check.guard';
 import { ThemedForbiddenComponent } from './forbidden/themed-forbidden.component';
+import { homePageResolver } from './home-page/home-page.resolver';
 import { ITEM_MODULE_PATH } from './item-page/item-page-routing-paths';
 import { menuResolver } from './menuResolver';
 import { provideSuggestionNotificationsState } from './notifications/provide-suggestion-notifications-state';
 import { ThemedPageErrorComponent } from './page-error/themed-page-error.component';
 import { ThemedPageInternalServerErrorComponent } from './page-internal-server-error/themed-page-internal-server-error.component';
 import { ThemedPageNotFoundComponent } from './pagenotfound/themed-pagenotfound.component';
 import { PROCESS_MODULE_PATH } from './process-page/process-page-routing.paths';
+import { viewTrackerResolver } from './statistics/angulartics/dspace/view-tracker.resolver';
 import { provideSubmissionState } from './submission/provide-submission-state';
 import { SUGGESTION_MODULE_PATH } from './suggestions-page/suggestions-page-routing-paths';
 
@@ -63,9 +65,16 @@ export const APP_ROUTES: Route[] = [
         path: 'home',
         loadChildren: () => import('./home-page/home-page-routes')
           .then((m) => m.ROUTES),
-        data: { showBreadcrumbs: false },
+        data: {
+          showBreadcrumbs: false,
+          dsoPath: 'site',
+        },
         providers: [provideSuggestionNotificationsState()],
         canActivate: [endUserAgreementCurrentUserGuard],
+        resolve: {
+          site: homePageResolver,
+          tracking: viewTrackerResolver,
+        },
       },
       {
         path: 'community-list',

src/app/collection-page/collection-page-routes.ts

@@ -11,6 +11,7 @@ import { ComcolSearchSectionComponent } from '../shared/comcol/sections/comcol-s
 import { dsoEditMenuResolver } from '../shared/dso-page/dso-edit-menu.resolver';
 import { LinkMenuItemModel } from '../shared/menu/menu-item/models/link.model';
 import { MenuItemType } from '../shared/menu/menu-item-type.model';
+import { viewTrackerResolver } from '../statistics/angulartics/dspace/view-tracker.resolver';
 import { collectionPageResolver } from './collection-page.resolver';
 import { collectionPageAdministratorGuard } from './collection-page-administrator.guard';
 import {
@@ -84,6 +85,7 @@ export const ROUTES: Route[] = [
         component: ThemedCollectionPageComponent,
         resolve: {
           menu: dsoEditMenuResolver,
+          tracking: viewTrackerResolver,
         },
         children: [
           {

src/app/collection-page/collection-page.component.html

@@ -3,7 +3,6 @@
        *ngVar="(collectionRD$ | async) as collectionRD">
     <div *ngIf="collectionRD?.hasSucceeded" @fadeInOut>
       <div *ngIf="collectionRD?.payload as collection">
-        <ds-view-tracker [object]="collection"></ds-view-tracker>
         <div class="d-flex flex-row border-bottom mb-4 pb-4">
           <header class="comcol-header mr-auto">
             <!-- Collection Name -->

src/app/collection-page/collection-page.component.ts

@@ -50,7 +50,6 @@ import { ThemedLoadingComponent } from '../shared/loading/themed-loading.compone
 import { ObjectCollectionComponent } from '../shared/object-collection/object-collection.component';
 import { PaginationComponentOptions } from '../shared/pagination/pagination-component-options.model';
 import { VarDirective } from '../shared/utils/var.directive';
-import { ViewTrackerComponent } from '../statistics/angulartics/dspace/view-tracker.component';
 import { getCollectionPageRoute } from './collection-page-routing-paths';
 
 @Component({
@@ -68,7 +67,6 @@ import { getCollectionPageRoute } from './collection-page-routing-paths';
     NgIf,
     ThemedLoadingComponent,
     TranslateModule,
-    ViewTrackerComponent,
     VarDirective,
     AsyncPipe,
     ComcolPageHeaderComponent,

src/app/community-page/community-page-routes.ts

@@ -10,6 +10,7 @@ import { ComcolSearchSectionComponent } from '../shared/comcol/sections/comcol-s
 import { dsoEditMenuResolver } from '../shared/dso-page/dso-edit-menu.resolver';
 import { LinkMenuItemModel } from '../shared/menu/menu-item/models/link.model';
 import { MenuItemType } from '../shared/menu/menu-item-type.model';
+import { viewTrackerResolver } from '../statistics/angulartics/dspace/view-tracker.resolver';
 import { communityPageResolver } from './community-page.resolver';
 import { communityPageAdministratorGuard } from './community-page-administrator.guard';
 import {
@@ -71,6 +72,7 @@ export const ROUTES: Route[] = [
         component: ThemedCommunityPageComponent,
         resolve: {
           menu: dsoEditMenuResolver,
+          tracking: viewTrackerResolver,
         },
         children: [
           {

src/app/community-page/community-page.component.html

@@ -1,7 +1,6 @@
 <div class="container" *ngVar="(communityRD$ | async) as communityRD">
   <div class="community-page" *ngIf="communityRD?.hasSucceeded" @fadeInOut>
     <div *ngIf="communityRD?.payload; let communityPayload">
-      <ds-view-tracker [object]="communityPayload"></ds-view-tracker>
       <div class="d-flex flex-row border-bottom mb-4 pb-4">
         <header class="comcol-header mr-auto">
           <!-- Community name -->

src/app/community-page/community-page.component.ts

@@ -41,7 +41,6 @@ import { hasValue } from '../shared/empty.util';
 import { ErrorComponent } from '../shared/error/error.component';
 import { ThemedLoadingComponent } from '../shared/loading/themed-loading.component';
 import { VarDirective } from '../shared/utils/var.directive';
-import { ViewTrackerComponent } from '../statistics/angulartics/dspace/view-tracker.component';
 import { getCommunityPageRoute } from './community-page-routing-paths';
 import { ThemedCollectionPageSubCollectionListComponent } from './sections/sub-com-col-section/sub-collection-list/themed-community-page-sub-collection-list.component';
 import { ThemedCommunityPageSubCommunityListComponent } from './sections/sub-com-col-section/sub-community-list/themed-community-page-sub-community-list.component';
@@ -66,7 +65,6 @@ import { ThemedCommunityPageSubCommunityListComponent } from './sections/sub-com
     ComcolPageLogoComponent,
     ComcolPageHeaderComponent,
     AsyncPipe,
-    ViewTrackerComponent,
     VarDirective,
     RouterOutlet,
     RouterModule,

src/app/home-page/home-page-routes.ts

@@ -2,7 +2,6 @@ import { Route } from '@angular/router';
 
 import { LinkMenuItemModel } from '../shared/menu/menu-item/models/link.model';
 import { MenuItemType } from '../shared/menu/menu-item-type.model';
-import { homePageResolver } from './home-page.resolver';
 import { ThemedHomePageComponent } from './themed-home-page.component';
 
 export const ROUTES: Route[] = [
@@ -26,8 +25,5 @@ export const ROUTES: Route[] = [
         }],
       },
     },
-    resolve: {
-      site: homePageResolver,
-    },
   },
 ];

src/app/home-page/home-page.component.html

@@ -14,9 +14,6 @@
 <ds-suggestions-popup></ds-suggestions-popup>
 
 <ng-template #homeContent>
-  <ng-container *ngIf="(site$ | async) as site">
-    <ds-view-tracker [object]="site"></ds-view-tracker>
-  </ng-container>
   <ds-search-form [inPlaceSearch]="false"
                          [searchPlaceholder]="'home.search-form.placeholder' | translate">
   </ds-search-form>

src/app/home-page/home-page.component.ts

@@ -23,7 +23,6 @@ import { SuggestionsPopupComponent } from '../notifications/suggestions-popup/su
 import { ThemedConfigurationSearchPageComponent } from '../search-page/themed-configuration-search-page.component';
 import { ThemedSearchFormComponent } from '../shared/search-form/themed-search-form.component';
 import { PageWithSidebarComponent } from '../shared/sidebar/page-with-sidebar.component';
-import { ViewTrackerComponent } from '../statistics/angulartics/dspace/view-tracker.component';
 import { HomeCoarComponent } from './home-coar/home-coar.component';
 import { ThemedHomeNewsComponent } from './home-news/themed-home-news.component';
 import { RecentItemListComponent } from './recent-item-list/recent-item-list.component';
@@ -34,7 +33,7 @@ import { ThemedTopLevelCommunityListComponent } from './top-level-community-list
   styleUrls: ['./home-page.component.scss'],
   templateUrl: './home-page.component.html',
   standalone: true,
-  imports: [ThemedHomeNewsComponent, NgTemplateOutlet, NgIf, ViewTrackerComponent, ThemedSearchFormComponent, ThemedTopLevelCommunityListComponent, RecentItemListComponent, AsyncPipe, TranslateModule, NgClass, SuggestionsPopupComponent, ThemedConfigurationSearchPageComponent, PageWithSidebarComponent, HomeCoarComponent],
+  imports: [ThemedHomeNewsComponent, NgTemplateOutlet, NgIf, ThemedSearchFormComponent, ThemedTopLevelCommunityListComponent, RecentItemListComponent, AsyncPipe, TranslateModule, NgClass, SuggestionsPopupComponent, ThemedConfigurationSearchPageComponent, PageWithSidebarComponent, HomeCoarComponent],
 })
 export class HomePageComponent implements OnInit {
 

src/app/item-page/full/full-item-page.component.html

@@ -3,7 +3,6 @@
     <div *ngIf="itemRD?.payload as item">
       <ds-item-alerts [item]="item"></ds-item-alerts>
       <ds-item-versions-notice [item]="item"></ds-item-versions-notice>
-      <ds-view-tracker [object]="item"></ds-view-tracker>
       <div *ngIf="!item.isWithdrawn || (isAdmin$|async)" class="full-item-info">
         <div class="d-flex flex-row">
           <ds-item-page-title-field class="mr-auto" [item]="item"></ds-item-page-title-field>

src/app/item-page/full/full-item-page.component.spec.ts

@@ -45,7 +45,7 @@ import { createPaginatedList } from '../../shared/testing/utils.test';
 import { ThemeService } from '../../shared/theme-support/theme.service';
 import { TruncatePipe } from '../../shared/utils/truncate.pipe';
 import { VarDirective } from '../../shared/utils/var.directive';
-import { ViewTrackerComponent } from '../../statistics/angulartics/dspace/view-tracker.component';
+import { ViewTrackerResolverService } from '../../statistics/angulartics/dspace/view-tracker-resolver.service';
 import { ThemedItemAlertsComponent } from '../alerts/themed-item-alerts.component';
 import { CollectionsComponent } from '../field-components/collections/collections.component';
 import { ThemedItemPageTitleFieldComponent } from '../simple/field-components/specific-field/title/themed-item-page-field.component';
@@ -162,7 +162,7 @@ describe('FullItemPageComponent', () => {
             ThemedLoadingComponent,
             ThemedItemPageTitleFieldComponent,
             DsoEditMenuComponent,
-            ViewTrackerComponent,
+            ViewTrackerResolverService,
             ThemedItemAlertsComponent,
             CollectionsComponent,
             ThemedFullFileSectionComponent,

src/app/item-page/full/full-item-page.component.ts

@@ -44,7 +44,6 @@ import { hasValue } from '../../shared/empty.util';
 import { ErrorComponent } from '../../shared/error/error.component';
 import { ThemedLoadingComponent } from '../../shared/loading/themed-loading.component';
 import { VarDirective } from '../../shared/utils/var.directive';
-import { ViewTrackerComponent } from '../../statistics/angulartics/dspace/view-tracker.component';
 import { ThemedItemAlertsComponent } from '../alerts/themed-item-alerts.component';
 import { CollectionsComponent } from '../field-components/collections/collections.component';
 import { ThemedItemPageTitleFieldComponent } from '../simple/field-components/specific-field/title/themed-item-page-field.component';
@@ -79,7 +78,6 @@ import { ThemedFullFileSectionComponent } from './field-components/file-section/
     ThemedItemPageTitleFieldComponent,
     DsoEditMenuComponent,
     ItemVersionsNoticeComponent,
-    ViewTrackerComponent,
     ThemedItemAlertsComponent,
     VarDirective,
   ],

src/app/item-page/item-page-routes.ts

@@ -6,6 +6,7 @@ import { itemBreadcrumbResolver } from '../core/breadcrumbs/item-breadcrumb.reso
 import { dsoEditMenuResolver } from '../shared/dso-page/dso-edit-menu.resolver';
 import { LinkMenuItemModel } from '../shared/menu/menu-item/models/link.model';
 import { MenuItemType } from '../shared/menu/menu-item-type.model';
+import { viewTrackerResolver } from '../statistics/angulartics/dspace/view-tracker.resolver';
 import { BitstreamRequestACopyPageComponent } from './bitstreams/request-a-copy/bitstream-request-a-copy-page.component';
 import { UploadBitstreamComponent } from './bitstreams/upload/upload-bitstream.component';
 import { ThemedFullItemPageComponent } from './full/themed-full-item-page.component';
@@ -36,13 +37,15 @@ export const ROUTES: Route[] = [
         pathMatch: 'full',
         resolve: {
           menu: dsoEditMenuResolver,
+          tracking: viewTrackerResolver,
         },
       },
       {
         path: 'full',
         component: ThemedFullItemPageComponent,
         resolve: {
           menu: dsoEditMenuResolver,
+          tracking: viewTrackerResolver,
         },
       },
       {

src/app/item-page/simple/item-page.component.html

@@ -5,7 +5,6 @@
       <ds-qa-event-notification [item]="item"></ds-qa-event-notification>
       <ds-notify-requests-status [itemUuid]="item.uuid"></ds-notify-requests-status>
       <ds-item-versions-notice [item]="item"></ds-item-versions-notice>
-      <ds-view-tracker [object]="item"></ds-view-tracker>
       <ds-listable-object-component-loader *ngIf="!item.isWithdrawn || (isAdmin$|async)" [object]="item" [viewMode]="viewMode"></ds-listable-object-component-loader>
       <ds-item-versions class="mt-2" [item]="item" [displayActions]="false"></ds-item-versions>
     </div>

src/app/item-page/simple/item-page.component.spec.ts

@@ -44,7 +44,7 @@ import {
 import { ActivatedRouteStub } from '../../shared/testing/active-router.stub';
 import { createPaginatedList } from '../../shared/testing/utils.test';
 import { VarDirective } from '../../shared/utils/var.directive';
-import { ViewTrackerComponent } from '../../statistics/angulartics/dspace/view-tracker.component';
+import { ViewTrackerResolverService } from '../../statistics/angulartics/dspace/view-tracker-resolver.service';
 import { ThemedItemAlertsComponent } from '../alerts/themed-item-alerts.component';
 import { ItemVersionsComponent } from '../versions/item-versions.component';
 import { ItemVersionsNoticeComponent } from '../versions/notice/item-versions-notice.component';
@@ -142,7 +142,7 @@ describe('ItemPageComponent', () => {
       remove: { imports: [
         ThemedItemAlertsComponent,
         ItemVersionsNoticeComponent,
-        ViewTrackerComponent,
+        ViewTrackerResolverService,
         ListableObjectComponentLoaderComponent,
         ItemVersionsComponent,
         ErrorComponent,

src/app/item-page/simple/item-page.component.ts

@@ -48,7 +48,6 @@ import { ErrorComponent } from '../../shared/error/error.component';
 import { ThemedLoadingComponent } from '../../shared/loading/themed-loading.component';
 import { ListableObjectComponentLoaderComponent } from '../../shared/object-collection/shared/listable-object/listable-object-component-loader.component';
 import { VarDirective } from '../../shared/utils/var.directive';
-import { ViewTrackerComponent } from '../../statistics/angulartics/dspace/view-tracker.component';
 import { ThemedItemAlertsComponent } from '../alerts/themed-item-alerts.component';
 import { getItemPageRoute } from '../item-page-routing-paths';
 import { ItemVersionsComponent } from '../versions/item-versions.component';
@@ -72,7 +71,6 @@ import { QaEventNotificationComponent } from './qa-event-notification/qa-event-n
     VarDirective,
     ThemedItemAlertsComponent,
     ItemVersionsNoticeComponent,
-    ViewTrackerComponent,
     ListableObjectComponentLoaderComponent,
     ItemVersionsComponent,
     ErrorComponent,

src/app/statistics/angulartics/dspace/view-tracker-resolver.service.ts

@@ -0,0 +1,64 @@
+import { Injectable } from '@angular/core';
+import {
+  ActivatedRouteSnapshot,
+  ResolveEnd,
+  Router,
+  RouterStateSnapshot,
+} from '@angular/router';
+import { Angulartics2 } from 'angulartics2';
+import { switchMap } from 'rxjs';
+import {
+  filter,
+  take,
+} from 'rxjs/operators';
+
+import { ReferrerService } from '../../../core/services/referrer.service';
+
+/**
+ * This component triggers a page view statistic
+ */
+@Injectable({
+  providedIn: 'root',
+})
+export class ViewTrackerResolverService {
+
+  constructor(
+    public angulartics2: Angulartics2,
+    public referrerService: ReferrerService,
+    public router: Router,
+  ) {
+  }
+
+  resolve(routeSnapshot: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean {
+    const dsoPath = routeSnapshot.data.dsoPath || 'dso.payload'; // Fetch the resolvers passed via the route data
+    this.router.events.pipe(
+      filter(event => event instanceof ResolveEnd),
+      take(1),
+      switchMap(() =>
+        this.referrerService.getReferrer().pipe(take(1))))
+      .subscribe((referrer: string) => {
+        this.angulartics2.eventTrack.next({
+          action: 'page_view',
+          properties: {
+            object: this.getNestedProperty(routeSnapshot.data, dsoPath),
+            referrer,
+          },
+        });
+      });
+    return true;
+  }
+
+  private getNestedProperty(obj: any, path: string) {
+    const keys = path.split('.');
+    let result = obj;
+
+    for (const key of keys) {
+      if (result && result.hasOwnProperty(key)) {
+        result = result[key];
+      } else {
+        return undefined;
+      }
+    }
+    return result;
+  }
+}