[develop | DONE | CHANGED]: isRouteEnabled.guard.ts, freeGuard.guard.ts: Added @Injectable({providedIn: 'root'}) | Removed from providers PreviousRouteRecorderm, isRouteEnabled, LoginGuard AdminLoginGuard, PiwikService & removed from imports PiwikServiceModule.

claims/claim-utils/displayClaims/displayClaims.module.ts

@@ -17,7 +17,6 @@ import {HelperModule} from '../../../utils/helper/helper.module';
 import {Schema2jsonldModule} from '../../../sharedComponents/schema2jsonld/schema2jsonld.module';
 import { SEOServiceModule } from '../../../sharedComponents/SEO/SEOService.module';
 import {IndexInfoServiceModule}  from "../../../utils/indexInfoService.module";
-import {PiwikServiceModule} from "../../../utils/piwik/piwikService.module";
 import {SearchInputModule} from '../../../sharedComponents/search-input/search-input.module';
 import {InputModule} from '../../../sharedComponents/input/input.module';
 import {LoadingModule} from '../../../utils/loading/loading.module';
@@ -30,7 +29,7 @@ import {link} from "../../../utils/icons/icons";
 @NgModule({
   imports: [
     CommonModule, FormsModule, RouterModule, ClaimServiceModule, LoadingModalModule, AlertModalModule,
-    ClaimEntityFormatterModule, PagingModule, HelperModule, Schema2jsonldModule, SEOServiceModule, PiwikServiceModule,
+    ClaimEntityFormatterModule, PagingModule, HelperModule, Schema2jsonldModule, SEOServiceModule,
     IndexInfoServiceModule, MatSelectModule, SearchInputModule, MatAutocompleteModule, MatChipsModule, MatFormFieldModule, MatSlideToggleModule, InputModule, LoadingModule, NoLoadPaging, IconsModule, DropdownFilterModule
   
   ],

claims/claimsAdmin/claimsAdmin.module.ts

@@ -3,9 +3,6 @@ import { NgModule } from '@angular/core';
 import { SharedModule } from '../../../openaireLibrary/shared/shared.module';
 import { ClaimsAdminComponent } from './claimsAdmin.component';
 import {DisplayClaimsModule} from '../claim-utils/displayClaims/displayClaims.module';
-import { AdminLoginGuard} from'../../login/adminLoginGuard.guard';
-import {PreviousRouteRecorder} from '../../utils/piwik/previousRouteRecorder.guard';
-import {IsRouteEnabled} from '../../error/isRouteEnabled.guard';
 
 @NgModule({
   imports: [
@@ -13,7 +10,7 @@ import {IsRouteEnabled} from '../../error/isRouteEnabled.guard';
     DisplayClaimsModule
 
   ],
-    providers:[AdminLoginGuard, PreviousRouteRecorder,IsRouteEnabled],
+    providers:[],
   declarations: [
     ClaimsAdminComponent
   ],

claims/directLinking/directLinking.module.ts

@@ -5,9 +5,6 @@ import { DirectLinkingComponent } from './directLinking.component';
 
 import {EntitySearchServiceModule} from '../../utils/entitiesAutoComplete/entitySearchService.module';
 import {SearchResearchResultsServiceModule} from '../../services/searchResearchResultsService.module';
-import {LoginGuard} from'../../login/loginGuard.guard';
-import {PreviousRouteRecorder} from '../../utils/piwik/previousRouteRecorder.guard';
-import {IsRouteEnabled} from '../../error/isRouteEnabled.guard';
 import {Schema2jsonldModule} from '../../sharedComponents/schema2jsonld/schema2jsonld.module';
 import { SEOServiceModule } from '../../sharedComponents/SEO/SEOService.module';
 import {LinkingGenericModule} from '../linking/linkingGeneric.module';
@@ -18,7 +15,7 @@ import {LinkingGenericModule} from '../linking/linkingGeneric.module';
     EntitySearchServiceModule, SearchResearchResultsServiceModule,
     Schema2jsonldModule, SEOServiceModule, LinkingGenericModule
   ],
-  providers:[LoginGuard, PreviousRouteRecorder, IsRouteEnabled],
+  providers:[],
   declarations: [
     DirectLinkingComponent
   ], exports:[DirectLinkingComponent]

claims/linking/linkingGeneric.module.ts

@@ -7,20 +7,16 @@ import {SelectedContextsModule} from './selected/selectedContexts.module';
 import {SelectedPublicationsModule} from './selected/selectedResults.module';
 import {LinkingGenericComponent} from './linkingGeneric.component';
 import {StartOverModule} from '../claim-utils/startOver.module';
-import {LoginGuard} from '../../login/loginGuard.guard';
-import {PreviousRouteRecorder} from '../../utils/piwik/previousRouteRecorder.guard';
 import {ClaimContextSearchFormModule} from '../claim-utils/claimContextSearchForm.module';
 import {ClaimProjectsSearchFormModule} from '../claim-utils/claimProjectSearchForm.module';
 import {BulkClaimModule} from './bulkClaim/bulkClaim.module';
 import {ClaimResultSearchFormModule} from '../claim-utils/claimResultSearchForm.module';
 import {HelperModule} from '../../utils/helper/helper.module';
-import {IsRouteEnabled} from '../../error/isRouteEnabled.guard';
 import {Schema2jsonldModule} from '../../sharedComponents/schema2jsonld/schema2jsonld.module';
 import {SEOServiceModule} from '../../sharedComponents/SEO/SEOService.module';
 import {MetadataPreviewModule} from './selected/metadataPreview.module';
 import {ClaimEntitiesMetadataModule} from "./selected/ClaimEntitiesMetadata.module";
 import {AlertModalModule} from '../../utils/modal/alertModal.module';
-import {PiwikServiceModule} from "../../utils/piwik/piwikService.module";
 import {BreadcrumbsModule} from "../../utils/breadcrumbs/breadcrumbs.module";
 import {StepperModule} from "../../sharedComponents/stepper/stepper.module";
 import {IconsModule} from "../../utils/icons/icons.module";
@@ -34,10 +30,9 @@ import {link} from "../../utils/icons/icons";
     StartOverModule,
     ClaimContextSearchFormModule, ClaimProjectsSearchFormModule, BulkClaimModule, ClaimResultSearchFormModule,
     HelperModule, Schema2jsonldModule, SEOServiceModule, MetadataPreviewModule, ClaimEntitiesMetadataModule, AlertModalModule,
-    PiwikServiceModule,
     MatSelectModule, BreadcrumbsModule, StepperModule, IconsModule
   ],
-  providers: [LoginGuard, PreviousRouteRecorder, IsRouteEnabled],
+  providers: [],
   declarations: [
     LinkingGenericComponent
   ], exports: [

claims/myClaims/myClaims.module.ts

@@ -3,9 +3,6 @@ import { NgModule } from '@angular/core';
 import { SharedModule } from '../../../openaireLibrary/shared/shared.module';
 import { MyClaimsComponent } from './myClaims.component';
 import {DisplayClaimsModule} from '../claim-utils/displayClaims/displayClaims.module';
-import {LoginGuard} from'../../login/loginGuard.guard';
-import {PreviousRouteRecorder} from '../../utils/piwik/previousRouteRecorder.guard';
-import {IsRouteEnabled} from '../../error/isRouteEnabled.guard';
 
 @NgModule({
   imports: [
@@ -13,7 +10,7 @@ import {IsRouteEnabled} from '../../error/isRouteEnabled.guard';
     DisplayClaimsModule
 
   ],
-  providers:[LoginGuard, PreviousRouteRecorder, IsRouteEnabled],
+  providers:[],
   declarations: [
     MyClaimsComponent
   ], exports: [MyClaimsComponent]

deposit/depositFirstPage.module.ts

@@ -5,7 +5,6 @@ import { CommonModule }        from '@angular/common';
 import { FormsModule }         from '@angular/forms';
 import { RouterModule } from '@angular/router';
 
-import {PiwikServiceModule} from '../utils/piwik/piwikService.module';
 import {HelperModule} from '../utils/helper/helper.module';
 import {Schema2jsonldModule} from '../sharedComponents/schema2jsonld/schema2jsonld.module';
 import { SEOServiceModule } from '../sharedComponents/SEO/SEOService.module';
@@ -18,7 +17,6 @@ import {FullScreenModalModule} from '../utils/modal/full-screen-modal/full-scree
   imports: [
     CommonModule, FormsModule,
     RouterModule,
-    PiwikServiceModule,
     HelperModule,
     Schema2jsonldModule, SEOServiceModule, BreadcrumbsModule, SearchInputModule,
 		FullScreenModalModule

deposit/searchDataprovidersToDeposit.module.ts

@@ -9,7 +9,6 @@ import {SearchResultsModule } from '../searchPages/searchUtils/searchResults.mod
 
 import {DataProvidersServiceModule} from '../services/dataProvidersService.module';
 import {SearchFormModule} from  '../searchPages/searchUtils/searchForm.module';
-import {IsRouteEnabled} from '../error/isRouteEnabled.guard';
 import {SearchDataProvidersModule} from "../searchPages/searchDataProviders.module";
 import {BreadcrumbsModule} from "../utils/breadcrumbs/breadcrumbs.module";
 import {SearchInputModule} from "../sharedComponents/search-input/search-input.module";
@@ -25,7 +24,7 @@ import {SearchInputModule} from "../sharedComponents/search-input/search-input.m
   declarations: [
     SearchDataprovidersToDepositComponent
   ],
-  providers:[ IsRouteEnabled],
+  providers:[],
   exports: [
     SearchDataprovidersToDepositComponent
   ]

error/isRouteEnabled.guard.ts

@@ -6,7 +6,9 @@ import {ConfigurationService} from '../utils/configuration/configuration.service
 import {ConnectHelper} from '../connect/connectHelper';
 import {properties} from "../../../environments/environment";
 
-@Injectable()
+@Injectable({
+  providedIn: 'root'
+})
 export class IsRouteEnabled  {
   
   constructor(private router: Router,

fos/fos.module.ts

@@ -2,13 +2,11 @@ import {CommonModule} from "@angular/common";
 import {NgModule} from "@angular/core";
 import {FormsModule} from "@angular/forms";
 import {RouterModule} from "@angular/router";
-import {PreviousRouteRecorder} from "../utils/piwik/previousRouteRecorder.guard";
 import {IconsModule} from "../utils/icons/icons.module";
 import {BreadcrumbsModule} from "../utils/breadcrumbs/breadcrumbs.module";
 import {Schema2jsonldModule} from "../sharedComponents/schema2jsonld/schema2jsonld.module";
 import {SearchInputModule} from "../sharedComponents/search-input/search-input.module";
 import {SEOServiceModule} from "../sharedComponents/SEO/SEOService.module";
-import {PiwikService} from "../utils/piwik/piwik.service";
 
 import {FosRoutingModule} from './fos-routing.module';
 import {FosComponent} from './fos.component';
@@ -22,9 +20,7 @@ import {FosComponent} from './fos.component';
 	declarations: [
 		FosComponent
 	],
-	providers: [
-		PreviousRouteRecorder, PiwikService
-	],
+	providers: [],
 	exports: [
 		FosComponent
 	]

landingPages/landing-utils/landing.module.ts

@@ -8,19 +8,15 @@ import { RouterModule } from '@angular/router';
 import {TabPagingComponent} from './tabPaging.component';
 import {ShowTitleComponent} from './showTitle.component';
 import {AddThisComponent} from './addThis.component';
-import {PiwikServiceModule} from '../../utils/piwik/piwikService.module';
-import {PreviousRouteRecorder} from'../../utils/piwik/previousRouteRecorder.guard';
 
 @NgModule({
   imports: [
-    CommonModule, FormsModule, RouterModule, PiwikServiceModule
+    CommonModule, FormsModule, RouterModule
   ],
   declarations: [
       TabPagingComponent,  ShowTitleComponent, AddThisComponent
   ],
-  providers:[
-    PreviousRouteRecorder
-   ],
+  providers:[],
   exports: [
      TabPagingComponent, ShowTitleComponent, AddThisComponent
     ]

login/freeGuard.guard.ts

@@ -3,7 +3,7 @@ import { Router, ActivatedRouteSnapshot, RouterStateSnapshot, UrlTree } from '@a
 import {Observable} from 'rxjs';
 import {LoginErrorCodes} from './utils/guardHelper.class';
 
-@Injectable()
+@Injectable({providedIn: 'root'})
 export class FreeGuard  {
 
   constructor(private router: Router) {

login/user.module.ts

@@ -7,16 +7,13 @@ import {UserRoutingModule}     from './user-routing.module';
 
 import {UserComponent}         from './user.component';
 
-import {PreviousRouteRecorder} from '../utils/piwik/previousRouteRecorder.guard';
 import {LoadingModule} from "../utils/loading/loading.module";
 
 @NgModule({
   imports: [
     CommonModule, FormsModule, UserRoutingModule, RouterModule, LoadingModule
   ],
-  providers: [
-    PreviousRouteRecorder
-  ],
+  providers: [],
   declarations: [
     UserComponent
   ],

monitor-admin/general/general.module.ts

@@ -1,7 +1,6 @@
 import {NgModule} from "@angular/core";
 import {GeneralComponent} from "./general.component";
 import {GeneralRoutingModule} from "./general-routing.module";
-import {PreviousRouteRecorder} from "../../utils/piwik/previousRouteRecorder.guard";
 import {CommonModule} from "@angular/common";
 import {RouterModule} from "@angular/router";
 import {InputModule} from "../../sharedComponents/input/input.module";
@@ -30,9 +29,7 @@ import {
     LogoUrlPipeModule,
     SidebarMobileToggleModule
   ],
-  providers: [
-    PreviousRouteRecorder,
-  ],
+  providers: [],
   exports: [GeneralComponent]
 })
 export class GeneralModule {

monitor-admin/manageStakeholders/manageStakeholders.module.ts

@@ -1,7 +1,6 @@
 import {NgModule} from "@angular/core";
 import {ManageStakeholdersComponent} from "./manageStakeholders.component";
 import {ManageStakeholdersRoutingModule} from "./manageStakeholders-routing.module";
-import {PreviousRouteRecorder} from "../../utils/piwik/previousRouteRecorder.guard";
 import {CommonModule} from "@angular/common";
 import {RouterModule} from "@angular/router";
 import {InputModule} from "../../sharedComponents/input/input.module";
@@ -40,9 +39,7 @@ import {PagingModule} from "../../utils/paging.module";
     SliderTabsModule,
     PagingModule
   ],
-  providers: [
-    PreviousRouteRecorder,
-  ],
+  providers: [],
   exports: [ManageStakeholdersComponent]
 })
 export class ManageStakeholdersModule {

monitor-admin/topic/topic.module.ts

@@ -1,9 +1,6 @@
 import {NgModule} from '@angular/core';
 import {CommonModule} from '@angular/common';
 
-import {PreviousRouteRecorder} from '../../utils/piwik/previousRouteRecorder.guard';
-
-import {PiwikService} from '../../utils/piwik/piwik.service';
 import {TopicComponent} from "./topic.component";
 import {TopicRoutingModule} from "./topic-routing.module";
 import {RouterModule} from "@angular/router";
@@ -22,9 +19,7 @@ import {LogoUrlPipeModule} from "../../utils/pipes/logoUrlPipe.module";
 import {TransitionGroupModule} from "../../utils/transition-group/transition-group.module";
 import {NumberRoundModule} from "../../utils/pipes/number-round.module";
 import {SideBarModule} from "../../dashboard/sharedComponents/sidebar/sideBar.module";
-import {
-  SidebarMobileToggleModule
-} from "../../dashboard/sharedComponents/sidebar/sidebar-mobile-toggle/sidebar-mobile-toggle.module";
+import {SidebarMobileToggleModule} from "../../dashboard/sharedComponents/sidebar/sidebar-mobile-toggle/sidebar-mobile-toggle.module";
 
 @NgModule({
   imports: [
@@ -34,10 +29,7 @@ import {
   declarations: [
     TopicComponent, IndicatorsComponent
   ],
-  providers: [
-    PreviousRouteRecorder,
-    PiwikService
-  ],
+  providers: [],
   exports: [
     TopicComponent
   ]

orcid/my-orcid-links/myOrcidLinks.module.ts

@@ -9,7 +9,6 @@ import {MyOrcidLinksComponent} from "./myOrcidLinks.component";
 import {SearchResearchResultsServiceModule} from "../../services/searchResearchResultsService.module";
 import {SearchMyOrcidResultsModule} from "./searchMyOrcidResults.module";
 import {AlertModalModule} from "../../utils/modal/alertModal.module";
-import {PiwikServiceModule} from "../../utils/piwik/piwikService.module";
 import {MyOrcidLinksRoutingModule} from "./myOrcidLinks-routing.module";
 
 @NgModule({
@@ -18,7 +17,7 @@ import {MyOrcidLinksRoutingModule} from "./myOrcidLinks-routing.module";
     MyOrcidLinksRoutingModule,
     RouterModule, ErrorMessagesModule,
     ResultPreviewModule, SearchResearchResultsServiceModule, SearchMyOrcidResultsModule,
-    AlertModalModule, PiwikServiceModule
+    AlertModalModule
   ],
   declarations: [
     MyOrcidLinksComponent

orcid/orcid.module.ts

@@ -5,8 +5,6 @@ import {RouterModule} from '@angular/router';
 
 import {OrcidComponent} from './orcid.component';
 import {OrcidService} from './orcid.service';
-import {FreeGuard} from '../login/freeGuard.guard';
-import {PreviousRouteRecorder} from '../utils/piwik/previousRouteRecorder.guard';
 import {OrcidWorkComponent} from './orcid-work.component';
 import {AlertModalModule} from '../utils/modal/alertModal.module';
 import {ResultLandingService} from '../landingPages/result/resultLanding.service';
@@ -29,7 +27,6 @@ import {OrcidRoutingModule} from "./orcid-routing.module";
     OrcidWorkComponent
   ],
   providers:[
-    FreeGuard, PreviousRouteRecorder,
     OrcidService, ResultLandingService
   ],
   exports: [

orcid/recommend-orcid-links/searchRecommendedResultsForOrcid.module.ts

@@ -8,7 +8,6 @@ import {SearchRecommendedResultsForOrcidComponent} from './searchRecommendedResu
 import {SearchResultsModule } from '../../searchPages/searchUtils/searchResults.module';
 
 import {SearchFormModule} from  '../../searchPages/searchUtils/searchForm.module';
-import {IsRouteEnabled} from '../../error/isRouteEnabled.guard';
 import {SearchResearchResultsModule} from "../../searchPages/searchResearchResults.module";
 import {OrcidService} from "../orcid.service";
 import {SearchRecommendedResultsForOrcidRoutingModule} from "./searchRecommendedResultsForOrcid-routing.module";
@@ -25,7 +24,7 @@ import {SearchRecommendedResultsForOrcidRoutingModule} from "./searchRecommended
   declarations: [
     SearchRecommendedResultsForOrcidComponent
   ],
-  providers:[ IsRouteEnabled, OrcidService],
+  providers:[OrcidService],
   exports: [
     SearchRecommendedResultsForOrcidComponent
   ]

reload/reload.module.ts

@@ -6,8 +6,6 @@ import { RouterModule } from '@angular/router';
 import{ReloadRoutingModule } from './reload-routing.module';
 import{ReloadComponent} from './reload.component';
 
-
-import {PreviousRouteRecorder} from '../utils/piwik/previousRouteRecorder.guard';
 import {LoadingModule} from "../utils/loading/loading.module";
 
 @NgModule({
@@ -19,9 +17,7 @@ import {LoadingModule} from "../utils/loading/loading.module";
   declarations: [
     ReloadComponent
    ],
-  providers:[
-    PreviousRouteRecorder
-    ],
+  providers:[],
   exports: [
     ReloadComponent
      ]

sdg/sdg.module.ts

@@ -2,14 +2,11 @@ import {CommonModule} from "@angular/common";
 import {NgModule} from "@angular/core";
 import {FormsModule} from "@angular/forms";
 import {RouterModule} from "@angular/router";
-import {PreviousRouteRecorder} from "../utils/piwik/previousRouteRecorder.guard";
 import {BreadcrumbsModule} from "../utils/breadcrumbs/breadcrumbs.module";
 import {RefineFieldResultsServiceModule} from "../services/refineFieldResultsService.module";
 import {LoadingModule} from "../utils/loading/loading.module";
 import {Schema2jsonldModule} from "../sharedComponents/schema2jsonld/schema2jsonld.module";
 import {SEOServiceModule} from "../sharedComponents/SEO/SEOService.module";
-import {PiwikService} from "../utils/piwik/piwik.service";
-
 import {SdgRoutingModule} from './sdg-routing.module';
 import {SdgComponent} from './sdg.component';
 
@@ -22,9 +19,7 @@ import {SdgComponent} from './sdg.component';
 	declarations: [
 		SdgComponent
 	],
-	providers: [
-		PreviousRouteRecorder, PiwikService
-	],
+	providers: [],
 	exports: [
 		SdgComponent
 	]

searchPages/find/searchAll.module.ts

@@ -12,7 +12,6 @@ import {SearchResearchResultsServiceModule} from '../../services/searchResearchR
 import {OrganizationsServiceModule} from '../../services/organizationsService.module';
 import {Schema2jsonldModule} from '../../sharedComponents/schema2jsonld/schema2jsonld.module';
 
-import {PiwikServiceModule} from '../../utils/piwik/piwikService.module';
 import { SEOServiceModule } from '../../sharedComponents/SEO/SEOService.module';
 import {SearchAllComponent} from "./searchAll.component";
 import {AdvancedSearchFormModule} from "../searchUtils/advancedSearchForm.module";
@@ -20,7 +19,6 @@ import {SearchResearchResultsModule} from "../searchResearchResults.module";
 import {SearchProjectsModule} from "../searchProjects.module";
 import {SearchOrganizationsModule} from "../searchOrganizations.module";
 import {SearchDataProvidersModule} from "../searchDataProviders.module";
-import {PreviousRouteRecorder} from "../../utils/piwik/previousRouteRecorder.guard";
 import {BreadcrumbsModule} from "../../utils/breadcrumbs/breadcrumbs.module";
 import {SliderTabsModule} from "../../sharedComponents/tabs/slider-tabs.module";
 import {NumberRoundModule} from "../../utils/pipes/number-round.module";
@@ -31,15 +29,13 @@ import {GroupedRequestsServiceModule} from "../../services/groupedRequestsServic
     CommonModule, FormsModule, RouterModule,
     DataProvidersServiceModule, ProjectsServiceModule,
     SearchResearchResultsServiceModule, OrganizationsServiceModule,
-    SearchResultsModule, PiwikServiceModule, Schema2jsonldModule, SEOServiceModule, AdvancedSearchFormModule, SearchResearchResultsModule, SearchProjectsModule, SearchOrganizationsModule, SearchDataProvidersModule, BreadcrumbsModule, SliderTabsModule, NumberRoundModule,
+    SearchResultsModule, Schema2jsonldModule, SEOServiceModule, AdvancedSearchFormModule, SearchResearchResultsModule, SearchProjectsModule, SearchOrganizationsModule, SearchDataProvidersModule, BreadcrumbsModule, SliderTabsModule, NumberRoundModule,
     GroupedRequestsServiceModule
   ],
   declarations: [
     SearchAllComponent
    ],
-  providers:[
-    PreviousRouteRecorder
-    ],
+  providers:[],
   exports: [
     SearchAllComponent
      ]

searchPages/searchOrganizations.module.ts

@@ -1,7 +1,6 @@
 import {NgModule} from '@angular/core';
 import {CommonModule} from '@angular/common';
 import {FormsModule} from '@angular/forms';
-import {IsRouteEnabled} from '../error/isRouteEnabled.guard';
 import {NewSearchPageModule} from "./searchUtils/newSearchPage.module";
 import {OrganizationsServiceModule} from "../services/organizationsService.module";
 import {SearchOrganizationsComponent} from "./searchOrganizations.component";

searchPages/searchUtils/newSearchPage.module.ts

@@ -13,8 +13,6 @@ import {SearchPagingModule} from './searchPaging.module';
 import {SearchSortingModule} from './searchSorting.module';
 import {SearchDownloadModule} from './searchDownload.module';
 import {ModalModule} from '../../utils/modal/modal.module';
-import {PiwikServiceModule} from '../../utils/piwik/piwikService.module';
-import {PreviousRouteRecorder} from '../../utils/piwik/previousRouteRecorder.guard';
 import {HelperModule} from '../../utils/helper/helper.module';
 import {Schema2jsonldModule} from '../../sharedComponents/schema2jsonld/schema2jsonld.module';
 import {SEOServiceModule} from '../../sharedComponents/SEO/SEOService.module';
@@ -39,7 +37,7 @@ import {graph} from "../../utils/icons/icons";
     LoadingModalModule, ReportsServiceModule,
     SearchPagingModule, SearchSortingModule, SearchDownloadModule, ModalModule,
     SearchFilterModule, RangeFilterModule,
-    PiwikServiceModule, HelperModule, Schema2jsonldModule, SEOServiceModule, SearchResultsModule,
+    HelperModule, Schema2jsonldModule, SEOServiceModule, SearchResultsModule,
     SearchResultsInDepositModule, SearchResultsForOrcidModule,
     AdvancedSearchFormModule, QuickSelectionsModule, BreadcrumbsModule, AlertModalModule, ClickModule, IconsModule, LoadingModule,
     InputModule
@@ -47,9 +45,7 @@ import {graph} from "../../utils/icons/icons";
   declarations: [
     NewSearchPageComponent
   ],
-  providers: [
-    PreviousRouteRecorder
-  ],
+  providers: [],
   exports: [
     NewSearchPageComponent
   ]

utils/piwik/previousRouteRecorder.guard.ts

@@ -6,7 +6,7 @@ import {properties} from "../../../../environments/environment";
 
 @Injectable({
   providedIn: 'root'
-}) // do not forget to register this class as a provider
+})
 export class PreviousRouteRecorder  {
   constructor(private router: Router) {
   }