115284: Fix issue with same type relationships

src/app/item-page/edit-item-page/edit-item-page.module.ts

@@ -46,6 +46,9 @@ import { ResultsBackButtonModule } from '../../shared/results-back-button/result
 import {
   AccessControlFormModule
 } from '../../shared/access-control-form-container/access-control-form.module';
+import {
+  EditRelationshipListWrapperComponent
+} from './item-relationships/edit-relationship-list-wrapper/edit-relationship-list-wrapper.component';
 
 /**
  * Module that contains all components related to the Edit Item page administrator functionality
@@ -94,6 +97,7 @@ import {
     ItemRegisterDoiComponent,
     ItemCurateComponent,
     ItemAccessControlComponent,
+    EditRelationshipListWrapperComponent,
   ],
   providers: [
     BundleDataService,

src/app/item-page/edit-item-page/item-relationships/edit-item-relationships.service.spec.ts

@@ -265,6 +265,95 @@ describe('EditItemRelationshipsService', () => {
     });
   });
 
+  describe('isProvidedItemTypeLeftType', () => {
+    it('should return true if the provided item corresponds to the left type of the relationship', (done) => {
+      const relationshipType = Object.assign(new RelationshipType(), {
+        leftType: createSuccessfulRemoteDataObject$({id: 'leftType'}),
+        rightType: createSuccessfulRemoteDataObject$({id: 'rightType'}),
+      });
+      const itemType = Object.assign(new ItemType(), {id: 'leftType'} );
+      const item = Object.assign(new Item(), {uuid: 'item-uuid'});
+
+      const result = service.isProvidedItemTypeLeftType(relationshipType, itemType, item);
+      result.subscribe((resultValue) => {
+        expect(resultValue).toBeTrue();
+        done();
+      });
+    });
+
+    it('should return false if the provided item corresponds to the right type of the relationship', (done) => {
+      const relationshipType = Object.assign(new RelationshipType(), {
+        leftType: createSuccessfulRemoteDataObject$({id: 'leftType'}),
+        rightType: createSuccessfulRemoteDataObject$({id: 'rightType'}),
+      });
+      const itemType = Object.assign(new ItemType(), {id: 'rightType'} );
+      const item = Object.assign(new Item(), {uuid: 'item-uuid'});
+
+      const result = service.isProvidedItemTypeLeftType(relationshipType, itemType, item);
+      result.subscribe((resultValue) => {
+        expect(resultValue).toBeFalse();
+        done();
+      });
+    });
+
+    it('should return undefined if the provided item corresponds does not match any of the relationship types', (done) => {
+      const relationshipType = Object.assign(new RelationshipType(), {
+        leftType: createSuccessfulRemoteDataObject$({id: 'leftType'}),
+        rightType: createSuccessfulRemoteDataObject$({id: 'rightType'}),
+      });
+      const itemType = Object.assign(new ItemType(), {id: 'something-else'} );
+      const item = Object.assign(new Item(), {uuid: 'item-uuid'});
+
+      const result = service.isProvidedItemTypeLeftType(relationshipType, itemType, item);
+      result.subscribe((resultValue) => {
+        expect(resultValue).toBeUndefined();
+        done();
+      });
+    });
+  });
+
+  describe('relationshipMatchesBothSameTypes', () => {
+    it('should return true if both left and right type of the relationship type are the same and match the provided itemtype', (done) => {
+      const relationshipType = Object.assign(new RelationshipType(), {
+        leftType: createSuccessfulRemoteDataObject$({id:  'sameType'}),
+        rightType: createSuccessfulRemoteDataObject$({id:'sameType'}),
+      });
+      const itemType = Object.assign(new ItemType(), {id: 'sameType'} );
+
+      const result = service.relationshipMatchesBothSameTypes(relationshipType, itemType);
+      result.subscribe((resultValue) => {
+        expect(resultValue).toBeTrue();
+        done();
+      });
+    });
+    it('should return false if both left and right type of the relationship type are the same and do not match the provided itemtype', (done) => {
+      const relationshipType = Object.assign(new RelationshipType(), {
+        leftType: createSuccessfulRemoteDataObject$({id: 'sameType'}),
+        rightType: createSuccessfulRemoteDataObject$({id: 'sameType'}),
+      });
+      const itemType = Object.assign(new ItemType(), {id: 'something-else'} );
+
+      const result = service.relationshipMatchesBothSameTypes(relationshipType, itemType);
+      result.subscribe((resultValue) => {
+        expect(resultValue).toBeFalse();
+        done();
+      });
+    });
+    it('should return false if both left and right type of the relationship type are different', (done) => {
+      const relationshipType = Object.assign(new RelationshipType(), {
+        leftType: createSuccessfulRemoteDataObject$({id: 'leftType'}),
+        rightType: createSuccessfulRemoteDataObject$({id: 'rightType'}),
+      });
+      const itemType = Object.assign(new ItemType(), {id: 'leftType'} );
+
+      const result = service.relationshipMatchesBothSameTypes(relationshipType, itemType);
+      result.subscribe((resultValue) => {
+        expect(resultValue).toBeFalse();
+        done();
+      });
+    });
+  });
+
   describe('displayNotifications', () => {
     it('should show one success notification when multiple requests succeeded', () => {
       service.displayNotifications([

src/app/item-page/edit-item-page/item-relationships/edit-item-relationships.service.ts

@@ -10,7 +10,7 @@ import {
 } from '../../../core/data/object-updates/object-updates.reducer';
 import { RemoteData } from '../../../core/data/remote-data';
 import { Relationship } from '../../../core/shared/item-relationships/relationship.model';
-import { EMPTY, Observable, BehaviorSubject, Subscription } from 'rxjs';
+import { EMPTY, Observable, BehaviorSubject, Subscription, combineLatest as observableCombineLatest } from 'rxjs';
 import { ObjectUpdatesService } from '../../../core/data/object-updates/object-updates.service';
 import { ItemDataService } from '../../../core/data/item-data.service';
 import { Item } from '../../../core/shared/item.model';
@@ -20,6 +20,9 @@ import { NgbModal } from '@ng-bootstrap/ng-bootstrap';
 import { RelationshipDataService } from '../../../core/data/relationship-data.service';
 import { EntityTypeDataService } from '../../../core/data/entity-type-data.service';
 import { TranslateService } from '@ngx-translate/core';
+import { ItemType } from '../../../core/shared/item-relationships/item-type.model';
+import { getFirstSucceededRemoteData, getRemoteDataPayload } from '../../../core/shared/operators';
+import { RelationshipType } from '../../../core/shared/item-relationships/relationship-type.model';
 
 @Injectable({
   providedIn: 'root'
@@ -169,6 +172,49 @@ export class EditItemRelationshipsService {
     }
   }
 
+  isProvidedItemTypeLeftType(relationshipType: RelationshipType, itemType: ItemType, item: Item): Observable<boolean> {
+    return this.getRelationshipLeftAndRightType(relationshipType).pipe(
+      map(([leftType, rightType]: [ItemType, ItemType]) => {
+        if (leftType.id === itemType.id) {
+          return true;
+        }
+
+        if (rightType.id === itemType.id) {
+          return false;
+        }
+
+        // should never happen...
+        console.warn(`The item ${item.uuid} is not on the right or the left side of relationship type ${relationshipType.uuid}`);
+        return undefined;
+      })
+    );
+  }
+
+  relationshipMatchesBothSameTypes(relationshipType: RelationshipType, itemType: ItemType): Observable<boolean> {
+    return this.getRelationshipLeftAndRightType(relationshipType).pipe(
+      map(([leftType, rightType]: [ItemType, ItemType]) => {
+        return leftType.id === itemType.id && rightType.id === itemType.id;
+      })
+    );
+  }
+
+  protected getRelationshipLeftAndRightType(relationshipType: RelationshipType): Observable<[ItemType, ItemType]> {
+    const leftType$: Observable<ItemType> = relationshipType.leftType.pipe(
+      getFirstSucceededRemoteData(),
+      getRemoteDataPayload(),
+    );
+
+    const rightType$: Observable<ItemType> = relationshipType.rightType.pipe(
+      getFirstSucceededRemoteData(),
+      getRemoteDataPayload(),
+    );
+
+    return observableCombineLatest([
+      leftType$,
+      rightType$,
+    ]);
+  }
+
 
 
   /**
@@ -185,6 +231,5 @@ export class EditItemRelationshipsService {
    */
   getNotificationContent(key: string): string {
     return this.translateService.instant(this.notificationsPrefix + key + '.content');
-
   }
 }

src/app/item-page/edit-item-page/item-relationships/edit-relationship-list-wrapper/edit-relationship-list-wrapper.component.html

@@ -0,0 +1,30 @@
+<ng-container *ngIf="bothItemsMatchType$ | async">
+    <ds-edit-relationship-list
+            [url]="url"
+            [item]="item"
+            [itemType]="itemType"
+            [relationshipType]="relationshipType"
+            [hasChanges]="hasChanges"
+            [currentItemIsLeftItem$]="isLeftItem$"
+    ></ds-edit-relationship-list>
+    <ds-edit-relationship-list
+            [url]="url"
+            [item]="item"
+            [itemType]="itemType"
+            [relationshipType]="relationshipType"
+            [hasChanges]="hasChanges"
+            [currentItemIsLeftItem$]="isRightItem$"
+    ></ds-edit-relationship-list>
+</ng-container>
+
+<ng-container *ngIf="!(bothItemsMatchType$ | async)">
+    <ds-edit-relationship-list
+            [url]="url"
+            [item]="item"
+            [itemType]="itemType"
+            [relationshipType]="relationshipType"
+            [hasChanges]="hasChanges"
+            [currentItemIsLeftItem$]="currentItemIsLeftItem$"
+    ></ds-edit-relationship-list>
+</ng-container>
+

src/app/item-page/edit-item-page/item-relationships/edit-relationship-list-wrapper/edit-relationship-list-wrapper.component.spec.ts

@@ -0,0 +1,108 @@
+import { ChangeDetectorRef, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
+import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
+import { of as observableOf } from 'rxjs';
+import { EditRelationshipListWrapperComponent } from './edit-relationship-list-wrapper.component';
+import { EditItemRelationshipsService } from '../edit-item-relationships.service';
+import { By } from '@angular/platform-browser';
+import { RelationshipType } from '../../../../core/shared/item-relationships/relationship-type.model';
+import { createSuccessfulRemoteDataObject$ } from '../../../../shared/remote-data.utils';
+import { ItemType } from '../../../../core/shared/item-relationships/item-type.model';
+import { Item } from '../../../../core/shared/item.model';
+
+describe('EditRelationshipListWrapperComponent', () => {
+  let editItemRelationshipsService: EditItemRelationshipsService;
+  let comp: EditRelationshipListWrapperComponent;
+  let fixture: ComponentFixture<EditRelationshipListWrapperComponent>;
+
+  const leftType = Object.assign(new ItemType(), {id: 'leftType', label: 'leftTypeString'});
+  const rightType = Object.assign(new ItemType(), {id: 'rightType', label: 'rightTypeString'});
+
+  const relationshipType = Object.assign(new RelationshipType(), {
+    id: '1',
+    leftMaxCardinality: null,
+    leftMinCardinality: 0,
+    leftType: createSuccessfulRemoteDataObject$(leftType),
+    leftwardType: 'isOrgUnitOfOrgUnit',
+    rightMaxCardinality: null,
+    rightMinCardinality: 0,
+    rightType: createSuccessfulRemoteDataObject$(rightType),
+    rightwardType: 'isOrgUnitOfOrgUnit',
+    uuid: 'relationshiptype-1',
+  });
+
+  const item = Object.assign(new Item(), {uuid: 'item-uuid'});
+
+  beforeEach(waitForAsync(() => {
+
+    editItemRelationshipsService = jasmine.createSpyObj('editItemRelationshipsService', {
+      isProvidedItemTypeLeftType: observableOf(true),
+      relationshipMatchesBothSameTypes: observableOf(false)
+    });
+
+
+    TestBed.configureTestingModule({
+      // imports: [NoopAnimationsModule, SharedModule, TranslateModule.forRoot()],
+      declarations: [EditRelationshipListWrapperComponent],
+      providers: [
+        {provide: EditItemRelationshipsService, useValue: editItemRelationshipsService},
+        ChangeDetectorRef
+      ], schemas: [
+        CUSTOM_ELEMENTS_SCHEMA
+      ]
+    }).compileComponents();
+
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(EditRelationshipListWrapperComponent);
+    comp = fixture.componentInstance;
+    comp.relationshipType = relationshipType;
+    comp.itemType = leftType;
+    comp.item = item;
+
+    fixture.detectChanges();
+  });
+
+  describe('onInit', () => {
+    it('should render the component', () => {
+      expect(comp).toBeTruthy();
+    });
+    it('should set currentItemIsLeftItem$ and bothItemsMatchType$  based on the provided relationshipType, itemType and item', () => {
+      expect(editItemRelationshipsService.isProvidedItemTypeLeftType).toHaveBeenCalledWith(relationshipType, leftType, item);
+      expect(editItemRelationshipsService.relationshipMatchesBothSameTypes).toHaveBeenCalledWith(relationshipType, leftType);
+
+      expect(comp.currentItemIsLeftItem$.getValue()).toEqual(true);
+      expect(comp.bothItemsMatchType$.getValue()).toEqual(false);
+    });
+  });
+
+  describe('when the current item is left', () => {
+    it('should render one relationship list section', () => {
+      const relationshipLists = fixture.debugElement.queryAll(By.css('ds-edit-relationship-list'));
+      expect(relationshipLists.length).toEqual(1);
+    });
+  });
+
+  describe('when the current item is right', () => {
+    it('should render one relationship list section', () => {
+      (editItemRelationshipsService.isProvidedItemTypeLeftType as jasmine.Spy).and.returnValue(observableOf(false));
+      comp.ngOnInit();
+      fixture.detectChanges();
+
+      const relationshipLists = fixture.debugElement.queryAll(By.css('ds-edit-relationship-list'));
+      expect(relationshipLists.length).toEqual(1);
+    });
+  });
+
+  describe('when the current item is both left and right', () => {
+    it('should render two relationship list sections', () => {
+      (editItemRelationshipsService.relationshipMatchesBothSameTypes as jasmine.Spy).and.returnValue(observableOf(true));
+      comp.ngOnInit();
+      fixture.detectChanges();
+
+      const relationshipLists = fixture.debugElement.queryAll(By.css('ds-edit-relationship-list'));
+      expect(relationshipLists.length).toEqual(2);
+    });
+  });
+
+});

src/app/item-page/edit-item-page/item-relationships/edit-relationship-list-wrapper/edit-relationship-list-wrapper.component.ts

@@ -0,0 +1,91 @@
+import { Component, EventEmitter, Input, OnDestroy, OnInit, Output } from '@angular/core';
+import { BehaviorSubject, Observable, Subscription } from 'rxjs';
+import { Item } from '../../../../core/shared/item.model';
+import { hasValue } from '../../../../shared/empty.util';
+import { RelationshipType } from '../../../../core/shared/item-relationships/relationship-type.model';
+import { ItemType } from '../../../../core/shared/item-relationships/item-type.model';
+import { EditItemRelationshipsService } from '../edit-item-relationships.service';
+
+@Component({
+  selector: 'ds-edit-relationship-list-wrapper',
+  styleUrls: ['./edit-relationship-list-wrapper.component.scss'],
+  templateUrl: './edit-relationship-list-wrapper.component.html',
+})
+/**
+ * A component creating a list of editable relationships of a certain type
+ * The relationships are rendered as a list of related items
+ */
+export class EditRelationshipListWrapperComponent implements OnInit, OnDestroy {
+
+  /**
+   * The item to display related items for
+   */
+  @Input() item: Item;
+
+  @Input() itemType: ItemType;
+
+  /**
+   * The URL to the current page
+   * Used to fetch updates for the current item from the store
+   */
+  @Input() url: string;
+
+  /**
+   * The label of the relationship-type we're rendering a list for
+   */
+  @Input() relationshipType: RelationshipType;
+
+  /**
+   * If updated information has changed
+   */
+  @Input() hasChanges!: Observable<boolean>;
+
+  /**
+   * The event emmiter to submit the new information
+   */
+  @Output() submitModal: EventEmitter<void> = new EventEmitter();
+
+  /**
+   * Observable that emits true if {@link itemType} is on the left-hand side of {@link relationshipType},
+   * false if it is on the right-hand side and undefined in the rare case that it is on neither side.
+   */
+  currentItemIsLeftItem$: BehaviorSubject<boolean> = new BehaviorSubject(undefined);
+
+
+  isLeftItem$ = new BehaviorSubject(true);
+
+  isRightItem$ = new BehaviorSubject(false);
+
+  bothItemsMatchType$: BehaviorSubject<boolean> = new BehaviorSubject(undefined);
+
+  /**
+   * Array to track all subscriptions and unsubscribe them onDestroy
+   * @type {Array}
+   */
+  private subs: Subscription[] = [];
+
+  constructor(
+    protected editItemRelationshipsService: EditItemRelationshipsService,
+  ) {
+  }
+
+
+  ngOnInit(): void {
+    this.subs.push(this.editItemRelationshipsService.isProvidedItemTypeLeftType(this.relationshipType, this.itemType, this.item)
+      .subscribe((nextValue: boolean) => {
+        this.currentItemIsLeftItem$.next(nextValue);
+      }));
+
+    this.subs.push(this.editItemRelationshipsService.relationshipMatchesBothSameTypes(this.relationshipType, this.itemType)
+      .subscribe((nextValue: boolean) => {
+        this.bothItemsMatchType$.next(nextValue);
+      }));
+  }
+
+
+  ngOnDestroy(): void {
+    this.subs
+      .filter((subscription) => hasValue(subscription))
+      .forEach((subscription) => subscription.unsubscribe());
+  }
+}

src/app/item-page/edit-item-page/item-relationships/edit-relationship-list/edit-relationship-list.component.spec.ts

@@ -2,7 +2,7 @@ import { DebugElement, NO_ERRORS_SCHEMA } from '@angular/core';
 import { waitForAsync, ComponentFixture, TestBed } from '@angular/core/testing';
 import { By } from '@angular/platform-browser';
 import { TranslateModule } from '@ngx-translate/core';
-import { of as observableOf } from 'rxjs';
+import { BehaviorSubject, of as observableOf } from 'rxjs';
 import { LinkService } from '../../../../core/cache/builders/link.service';
 import { ObjectUpdatesService } from '../../../../core/data/object-updates/object-updates.service';
 import { RelationshipDataService } from '../../../../core/data/relationship-data.service';
@@ -63,6 +63,7 @@ describe('EditRelationshipListComponent', () => {
   let relationships: Relationship[];
   let relationshipType: RelationshipType;
   let paginationOptions: PaginationComponentOptions;
+  let currentItemIsLeftItem$ =  new BehaviorSubject<boolean>(true);
 
   const resetComponent = () => {
     fixture = TestBed.createComponent(EditRelationshipListComponent);
@@ -73,6 +74,7 @@ describe('EditRelationshipListComponent', () => {
     comp.url = url;
     comp.relationshipType = relationshipType;
     comp.hasChanges = observableOf(false);
+    comp.currentItemIsLeftItem$ = currentItemIsLeftItem$;
     fixture.detectChanges();
   };
 
@@ -293,6 +295,7 @@ describe('EditRelationshipListComponent', () => {
             leftwardType: 'isAuthorOfPublication',
             rightwardType: 'isPublicationOfAuthor',
           });
+          currentItemIsLeftItem$ =  new BehaviorSubject<boolean>(true);
           relationshipService.getItemRelationshipsByLabel.calls.reset();
           resetComponent();
         });
@@ -317,6 +320,7 @@ describe('EditRelationshipListComponent', () => {
             leftwardType: 'isPublicationOfAuthor',
             rightwardType: 'isAuthorOfPublication',
           });
+          currentItemIsLeftItem$ =  new BehaviorSubject<boolean>(false);
           relationshipService.getItemRelationshipsByLabel.calls.reset();
           resetComponent();
         });

src/app/item-page/edit-item-page/item-relationships/edit-relationship-list/edit-relationship-list.component.ts

@@ -113,7 +113,7 @@ export class EditRelationshipListComponent implements OnInit, OnDestroy {
    * Observable that emits true if {@link itemType} is on the left-hand side of {@link relationshipType},
    * false if it is on the right-hand side and undefined in the rare case that it is on neither side.
    */
-  private currentItemIsLeftItem$: BehaviorSubject<boolean> = new BehaviorSubject(undefined);
+  @Input() currentItemIsLeftItem$: BehaviorSubject<boolean> = new BehaviorSubject(undefined);
 
   relatedEntityType$: Observable<ItemType>;
 
@@ -213,17 +213,14 @@ export class EditRelationshipListComponent implements OnInit, OnDestroy {
    * Get the relevant label for this relationship type
    */
   private getLabel(): Observable<string> {
-    return observableCombineLatest([
+    return this.currentItemIsLeftItem$.pipe(
-      this.relationshipType.leftType,
+      map((currentItemIsLeftItem) => {
-      this.relationshipType.rightType,
+        if (currentItemIsLeftItem) {
-    ].map((itemTypeRD) => itemTypeRD.pipe(
+          return this.relationshipType.leftwardType;
-      getFirstSucceededRemoteData(),
+        } else {
-      getRemoteDataPayload(),
+          return this.relationshipType.rightwardType;
-    ))).pipe(
+        }
-      map((itemTypes: ItemType[]) => [
+      })
-        this.relationshipType.leftwardType,
-        this.relationshipType.rightwardType,
-      ][itemTypes.findIndex((itemType) => itemType.id === this.itemType.id)]),
       );
   }
 
@@ -251,6 +248,7 @@ export class EditRelationshipListComponent implements OnInit, OnDestroy {
     modalComp.toAdd = [];
     modalComp.toRemove = [];
     modalComp.isPending = false;
+    modalComp.hiddenQuery = '-search.resourceid:' + this.item.uuid;
 
     this.item.owningCollection.pipe(
       getFirstSucceededRemoteDataPayload()
@@ -424,24 +422,6 @@ export class EditRelationshipListComponent implements OnInit, OnDestroy {
 
     this.relationshipMessageKey$ = this.getRelationshipMessageKey();
 
-    this.subs.push(this.relationshipLeftAndRightType$.pipe(
-      map(([leftType, rightType]: [ItemType, ItemType]) => {
-        if (leftType.id === this.itemType.id) {
-          return true;
-        }
-
-        if (rightType.id === this.itemType.id) {
-          return false;
-        }
-
-        // should never happen...
-        console.warn(`The item ${this.item.uuid} is not on the right or the left side of relationship type ${this.relationshipType.uuid}`);
-        return undefined;
-      })
-    ).subscribe((nextValue: boolean) => {
-      this.currentItemIsLeftItem$.next(nextValue);
-    }));
-
 
     // initialize the pagination options
     this.paginationConfig = new PaginationComponentOptions();

src/app/item-page/edit-item-page/item-relationships/item-relationships.component.html

@@ -5,13 +5,13 @@
     </div>
     <div *ngIf="relationshipTypes$ | async as relationshipTypes; else loading" class="mb-4">
       <div *ngFor="let relationshipType of relationshipTypes; trackBy: trackById" class="mb-4">
-        <ds-edit-relationship-list
+        <ds-edit-relationship-list-wrapper
           [url]="url"
           [item]="item"
           [itemType]="entityType"
           [relationshipType]="relationshipType"
           [hasChanges]="hasChanges$"
-        ></ds-edit-relationship-list>
+        ></ds-edit-relationship-list-wrapper>
       </div>
     </div>
     <div class="button-row bottom">

src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/dynamic-lookup-relation-modal.component.html

@@ -19,6 +19,7 @@
                             [repeatable]="repeatable"
                             [context]="context"
                             [query]="query"
+                            [hiddenQuery]="hiddenQuery"
                             [relationshipType]="relationshipType"
                             [isLeft]="isLeft"
                             [item]="item"

src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/dynamic-lookup-relation-modal.component.ts

@@ -97,6 +97,11 @@ export class DsDynamicLookupRelationModalComponent implements OnInit, OnDestroy
 
   query: string;
 
+  /**
+   * A hidden query that will be used but not displayed in the url/searchbar
+   */
+  hiddenQuery: string;
+
   /**
    * A map of subscriptions within this component
    */

src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/search-tab/dynamic-lookup-relation-search-tab.component.html

@@ -2,6 +2,7 @@
            [configuration]="this.relationship.searchConfiguration"
            [context]="context"
            [fixedFilterQuery]="this.relationship.filter"
+           [hiddenQuery]="hiddenQuery"
            [inPlaceSearch]="true"
            [linkType]="linkTypes.ExternalLink"
            [searchFormPlaceholder]="'submission.sections.describe.relationship-lookup.search-tab.search-form.placeholder'"

src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/search-tab/dynamic-lookup-relation-search-tab.component.ts

@@ -93,6 +93,11 @@ export class DsDynamicLookupRelationSearchTabComponent implements OnInit, OnDest
    */
   @Input() isEditRelationship: boolean;
 
+  /**
+   * A hidden query that will be used but not displayed in the url/searchbar
+   */
+  @Input() hiddenQuery: string;
+
   /**
    * Send an event to deselect an object from the list
    */

src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/search-tab/themed-dynamic-lookup-relation-search-tab.component.ts

@@ -18,7 +18,7 @@ import { DSpaceObject } from '../../../../../../core/shared/dspace-object.model'
 })
 export class ThemedDynamicLookupRelationSearchTabComponent extends ThemedComponent<DsDynamicLookupRelationSearchTabComponent> {
   protected inAndOutputNames: (keyof DsDynamicLookupRelationSearchTabComponent & keyof this)[] = ['relationship', 'listId',
-    'query', 'repeatable', 'selection$', 'context', 'relationshipType', 'item', 'isLeft', 'toRemove', 'isEditRelationship',
+    'query', 'hiddenQuery', 'repeatable', 'selection$', 'context', 'relationshipType', 'item', 'isLeft', 'toRemove', 'isEditRelationship',
     'deselectObject', 'selectObject', 'resultFound'];
 
   @Input() relationship: RelationshipOptions;
@@ -27,6 +27,8 @@ export class ThemedDynamicLookupRelationSearchTabComponent extends ThemedCompone
 
   @Input() query: string;
 
+  @Input() hiddenQuery: string;
+
   @Input() repeatable: boolean;
 
   @Input() selection$: Observable<ListableObject[]>;

src/app/shared/search/search.component.spec.ts

@@ -108,6 +108,7 @@ const searchServiceStub = jasmine.createSpyObj('SearchService', {
 }) as SearchService;
 const configurationParam = 'default';
 const queryParam = 'test query';
+const hiddenQuery = 'hidden query';
 const scopeParam = '7669c72a-3f2a-451f-a3b9-9210e7a4c02f';
 const fixedFilter = 'fixed filter';
 
@@ -250,6 +251,7 @@ describe('SearchComponent', () => {
     comp = fixture.componentInstance; // SearchComponent test instance
     comp.inPlaceSearch = false;
     comp.paginationId = paginationId;
+    comp.hiddenQuery = hiddenQuery;
 
     spyOn((comp as any), 'getSearchOptions').and.returnValue(paginatedSearchOptions$.asObservable());
 

src/app/shared/search/search.component.ts

@@ -75,6 +75,11 @@ export class SearchComponent implements OnInit {
    */
   @Input() fixedFilterQuery: string;
 
+  /**
+   * A hidden query that will be used but not displayed in the url/searchbar
+   */
+  @Input() hiddenQuery: string;
+
   /**
    * If this is true, the request will only be sent if there's
    * no valid cached version. Defaults to true
@@ -337,6 +342,7 @@ export class SearchComponent implements OnInit {
       if (combinedOptions.query === '') {
         combinedOptions.query = this.query;
       }
+
       const newSearchOptions = new PaginatedSearchOptions(combinedOptions);
       // check if search options are changed
       // if so retrieve new related results otherwise skip it
@@ -440,8 +446,18 @@ export class SearchComponent implements OnInit {
     if (this.configuration === 'supervision') {
       followLinks.push(followLink<WorkspaceItem>('supervisionOrders', { isOptional: true }) as any);
     }
+
+    const searchOptionsWithHidden = Object.assign (new PaginatedSearchOptions({}), searchOptions);
+    if (isNotEmpty(this.hiddenQuery)) {
+      if (isNotEmpty(searchOptionsWithHidden.query)) {
+        searchOptionsWithHidden.query = searchOptionsWithHidden.query + ' AND ' + this.hiddenQuery;
+      } else {
+        searchOptionsWithHidden.query = this.hiddenQuery;
+      }
+    }
+
     this.service.search(
-      searchOptions,
+      searchOptionsWithHidden,
       undefined,
       this.useCachedVersionIfAvailable,
       true,
@@ -450,7 +466,7 @@ export class SearchComponent implements OnInit {
       .subscribe((results: RemoteData<SearchObjects<DSpaceObject>>) => {
         if (results.hasSucceeded) {
           if (this.trackStatistics) {
-            this.service.trackSearch(searchOptions, results.payload);
+            this.service.trackSearch(searchOptionsWithHidden, results.payload);
           }
           if (results.payload?.page?.length > 0) {
             this.resultFound.emit(results.payload);

src/app/shared/search/themed-search.component.ts

@@ -19,7 +19,7 @@ import { ListableObject } from '../object-collection/shared/listable-object.mode
   templateUrl: '../theme-support/themed.component.html',
 })
 export class ThemedSearchComponent extends ThemedComponent<SearchComponent> {
-  protected inAndOutputNames: (keyof SearchComponent & keyof this)[] = ['configurationList', 'context', 'configuration', 'fixedFilterQuery', 'useCachedVersionIfAvailable', 'inPlaceSearch', 'linkType', 'paginationId', 'searchEnabled', 'sideBarWidth', 'searchFormPlaceholder', 'selectable', 'selectionConfig', 'showCsvExport', 'showSidebar', 'showThumbnails', 'showViewModes', 'useUniquePageId', 'viewModeList', 'showScopeSelector', 'resultFound', 'deselectObject', 'selectObject', 'trackStatistics', 'query'];
+  protected inAndOutputNames: (keyof SearchComponent & keyof this)[] = ['configurationList', 'context', 'configuration', 'fixedFilterQuery', 'hiddenQuery', 'useCachedVersionIfAvailable', 'inPlaceSearch', 'linkType', 'paginationId', 'searchEnabled', 'sideBarWidth', 'searchFormPlaceholder', 'selectable', 'selectionConfig', 'showCsvExport', 'showSidebar', 'showThumbnails', 'showViewModes', 'useUniquePageId', 'viewModeList', 'showScopeSelector', 'resultFound', 'deselectObject', 'selectObject', 'trackStatistics', 'query'];
 
   @Input() configurationList: SearchConfigurationOption[];
 
@@ -29,6 +29,8 @@ export class ThemedSearchComponent extends ThemedComponent<SearchComponent> {
 
   @Input() fixedFilterQuery: string;
 
+  @Input() hiddenQuery: string;
+
   @Input() useCachedVersionIfAvailable: boolean;
 
   @Input() inPlaceSearch: boolean;