multiple dsoType allowed in search & in selector modals

src/app/+collection-page/collection-item-mapper/collection-item-mapper.component.ts

@@ -133,7 +133,7 @@ export class CollectionItemMapperComponent implements OnInit {
             return this.searchService.search(Object.assign(new PaginatedSearchOptions(options), {
               query: this.buildQuery(collectionRD.payload.id, options.query),
               scope: undefined,
-              dsoType: DSpaceObjectType.ITEM,
+              dsoTypes: [DSpaceObjectType.ITEM],
               sort: this.defaultSortOptions
             }), 10000).pipe(
               toDSpaceObjectListRD(),

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

@@ -87,7 +87,7 @@ export class CollectionPageComponent implements OnInit {
                 scope: id,
                 pagination: dto.paginationConfig,
                 sort: dto.sortConfig,
-                dsoType: DSpaceObjectType.ITEM
+                dsoTypes: [DSpaceObjectType.ITEM]
               })).pipe(toDSpaceObjectListRD()) as Observable<RemoteData<PaginatedList<Item>>>
         }),
         startWith(undefined) // Make sure switching pages shows loading component

src/app/+item-page/edit-item-page/item-collection-mapper/item-collection-mapper.component.ts

@@ -125,7 +125,7 @@ export class ItemCollectionMapperComponent implements OnInit {
       switchMap(([itemCollectionsRD, owningCollectionRD, searchOptions]) => {
         return this.searchService.search(Object.assign(new PaginatedSearchOptions(searchOptions), {
           query: this.buildQuery([...itemCollectionsRD.payload.page, owningCollectionRD.payload], searchOptions.query),
-          dsoType: DSpaceObjectType.COLLECTION
+          dsoTypes: [DSpaceObjectType.COLLECTION]
         }), 10000).pipe(
           toDSpaceObjectListRD(),
           startWith(undefined)

src/app/+item-page/edit-item-page/item-move/item-move.component.ts

@@ -79,7 +79,7 @@ export class ItemMoveComponent implements OnInit {
   loadSuggestions(query): void {
     this.collectionSearchResults = this.searchService.search(new PaginatedSearchOptions({
       pagination: this.pagination,
-      dsoType: DSpaceObjectType.COLLECTION,
+      dsoTypes: [DSpaceObjectType.COLLECTION],
       query: query
     })).pipe(
       first(),

src/app/shared/dso-selector/dso-selector/dso-selector.component.html

@@ -2,14 +2,14 @@
     <input type="search"
            class="form-control"
            (click)="$event.stopPropagation();"
-           placeholder="{{'dso-selector.placeholder' | translate: { type: type.toString().toLowerCase() } }}"
+           placeholder="{{'dso-selector.placeholder' | translate: { type: typesString } }}"
            [formControl]="input" dsAutoFocus (keyup.enter)="selectSingleResult()">
 </div>
 <div class="dropdown-divider"></div>
 <div class="scrollable-menu list-group">
     <button class="list-group-item list-group-item-action border-0 disabled"
             *ngIf="(listEntries$ | async)?.payload.page.length == 0">
-        {{'dso-selector.no-results' | translate: { type: type.toString().toLowerCase() } }}
+        {{'dso-selector.no-results' | translate: { type: typesString } }}
     </button>
     <button *ngFor="let listEntry of (listEntries$ | async)?.payload.page"
             class="list-group-item list-group-item-action border-0 list-entry"

src/app/shared/dso-selector/dso-selector/dso-selector.component.spec.ts

@@ -49,7 +49,7 @@ describe('DSOSelectorComponent', () => {
     component = fixture.componentInstance;
     debugElement = fixture.debugElement;
     component.currentDSOId = currentDSOId;
-    component.type = type;
+    component.types = [type];
 
     fixture.detectChanges();
   });
@@ -61,7 +61,7 @@ describe('DSOSelectorComponent', () => {
   it('should initially call the search method on the SearchService with the given DSO uuid', () => {
     const searchOptions = new PaginatedSearchOptions({
       query: currentDSOId,
-      dsoType: type,
+      dsoTypes: [type],
       pagination: (component as any).defaultPagination
     });
 

src/app/shared/dso-selector/dso-selector/dso-selector.component.ts

@@ -43,9 +43,12 @@ export class DSOSelectorComponent implements OnInit {
   @Input() currentDSOId: string;
 
   /**
-   * The type of DSpace objects this components shows a list of
+   * The types of DSpace objects this components shows a list of
    */
-  @Input() type: DSpaceObjectType;
+  @Input() types: DSpaceObjectType[];
+
+  // list of allowed selectable dsoTypes
+  typesString: string;
 
   /**
    * Emits the selected Object when a user selects it in the list
@@ -91,6 +94,7 @@ export class DSOSelectorComponent implements OnInit {
    */
   ngOnInit(): void {
     this.input.setValue(this.currentDSOId);
+    this.typesString = this.types.map((type: string) => type.toString().toLowerCase()).join(', ');
     this.listEntries$ = this.input.valueChanges
       .pipe(
         debounceTime(this.debounceTime),
@@ -99,7 +103,7 @@ export class DSOSelectorComponent implements OnInit {
             return this.searchService.search(
               new PaginatedSearchOptions({
                 query: query,
-                dsoType: this.type !== DSpaceObjectType.DSPACEOBJECT ? this.type : null,
+                dsoTypes: this.types,
                 pagination: this.defaultPagination
               })
             )

src/app/shared/dso-selector/modal-wrappers/create-collection-parent-selector/create-collection-parent-selector.component.ts

@@ -20,7 +20,7 @@ import { DSOSelectorModalWrapperComponent, SelectorActionType } from '../dso-sel
 })
 export class CreateCollectionParentSelectorComponent extends DSOSelectorModalWrapperComponent implements OnInit {
   objectType = DSpaceObjectType.COLLECTION;
-  selectorType = DSpaceObjectType.COMMUNITY;
+  selectorTypes = [DSpaceObjectType.COMMUNITY];
   action = SelectorActionType.CREATE;
 
   constructor(protected activeModal: NgbActiveModal, protected route: ActivatedRoute, private router: Router) {

src/app/shared/dso-selector/modal-wrappers/create-community-parent-selector/create-community-parent-selector.component.html

@@ -14,6 +14,6 @@
         </h3>
 
         <h5 class="px-2">{{'dso-selector.create.community.sub-level' | translate}}</h5>
-        <ds-dso-selector [currentDSOId]="dsoRD?.payload.uuid" [type]="selectorType" (onSelect)="selectObject($event)"></ds-dso-selector>
+        <ds-dso-selector [currentDSOId]="dsoRD?.payload.uuid" [types]="[selectorType]" (onSelect)="selectObject($event)"></ds-dso-selector>
     </div>
 </div>

src/app/shared/dso-selector/modal-wrappers/create-community-parent-selector/create-community-parent-selector.component.ts

@@ -27,7 +27,7 @@ import {
 })
 export class CreateCommunityParentSelectorComponent extends DSOSelectorModalWrapperComponent implements OnInit {
   objectType = DSpaceObjectType.COMMUNITY;
-  selectorType = DSpaceObjectType.COMMUNITY;
+  selectorTypes = [DSpaceObjectType.COMMUNITY];
   action = SelectorActionType.CREATE;
 
   constructor(protected activeModal: NgbActiveModal, protected route: ActivatedRoute, private router: Router) {

src/app/shared/dso-selector/modal-wrappers/create-item-parent-selector/create-item-parent-selector.component.ts

@@ -18,7 +18,7 @@ import { DSOSelectorModalWrapperComponent, SelectorActionType } from '../dso-sel
 })
 export class CreateItemParentSelectorComponent extends DSOSelectorModalWrapperComponent implements OnInit {
   objectType = DSpaceObjectType.ITEM;
-  selectorType = DSpaceObjectType.COLLECTION;
+  selectorTypes = [DSpaceObjectType.COLLECTION];
   action = SelectorActionType.CREATE;
 
   constructor(protected activeModal: NgbActiveModal, protected route: ActivatedRoute, private router: Router) {

src/app/shared/dso-selector/modal-wrappers/dso-selector-modal-wrapper.component.html

@@ -5,6 +5,6 @@
     </button>
   </div>
   <div class="modal-body">
-    <ds-dso-selector [currentDSOId]="dsoRD?.payload.uuid ? 'search.resourceid:' + dsoRD?.payload.uuid : null" [type]="selectorType" (onSelect)="selectObject($event)"></ds-dso-selector>
+    <ds-dso-selector [currentDSOId]="dsoRD?.payload.uuid ? 'search.resourceid:' + dsoRD?.payload.uuid : null" [types]="selectorTypes" (onSelect)="selectObject($event)"></ds-dso-selector>
   </div>
 </div>

src/app/shared/dso-selector/modal-wrappers/dso-selector-modal-wrapper.component.spec.ts

@@ -124,7 +124,7 @@ describe('DSOSelectorModalWrapperComponent', () => {
 })
 class TestComponent extends DSOSelectorModalWrapperComponent implements OnInit {
   objectType = DSpaceObjectType.ITEM;
-  selectorType = DSpaceObjectType.ITEM;
+  selectorTypes = [DSpaceObjectType.ITEM];
   action = SelectorActionType.EDIT;
 
   constructor(protected activeModal: NgbActiveModal, protected route: ActivatedRoute) {

src/app/shared/dso-selector/modal-wrappers/dso-selector-modal-wrapper.component.ts

@@ -29,9 +29,9 @@ export abstract class DSOSelectorModalWrapperComponent implements OnInit {
   objectType: DSpaceObjectType;
 
   /**
-   * The type of DSO that can be selected from this list
+   * The types of DSO that can be selected from this list
    */
-  selectorType: DSpaceObjectType;
+  selectorTypes: DSpaceObjectType[];
 
   /**
    * The type of action to perform

src/app/shared/dso-selector/modal-wrappers/edit-collection-selector/edit-collection-selector.component.ts

@@ -20,7 +20,7 @@ import {
 })
 export class EditCollectionSelectorComponent extends DSOSelectorModalWrapperComponent implements OnInit {
   objectType = DSpaceObjectType.COLLECTION;
-  selectorType = DSpaceObjectType.COLLECTION;
+  selectorTypes = [DSpaceObjectType.COLLECTION];
   action = SelectorActionType.EDIT;
 
   constructor(protected activeModal: NgbActiveModal, protected route: ActivatedRoute, private router: Router) {

src/app/shared/dso-selector/modal-wrappers/edit-community-selector/edit-community-selector.component.ts

@@ -21,7 +21,7 @@ import {
 
 export class EditCommunitySelectorComponent extends DSOSelectorModalWrapperComponent implements OnInit {
   objectType = DSpaceObjectType.COMMUNITY;
-  selectorType = DSpaceObjectType.COMMUNITY;
+  selectorTypes = [DSpaceObjectType.COMMUNITY];
   action = SelectorActionType.EDIT;
 
   constructor(protected activeModal: NgbActiveModal, protected route: ActivatedRoute, private router: Router) {

src/app/shared/dso-selector/modal-wrappers/edit-item-selector/edit-item-selector.component.ts

@@ -17,7 +17,7 @@ import { DSOSelectorModalWrapperComponent, SelectorActionType } from '../dso-sel
 })
 export class EditItemSelectorComponent extends DSOSelectorModalWrapperComponent implements OnInit {
   objectType = DSpaceObjectType.ITEM;
-  selectorType = DSpaceObjectType.ITEM;
+  selectorTypes = [DSpaceObjectType.ITEM];
   action = SelectorActionType.EDIT;
 
   constructor(protected activeModal: NgbActiveModal, protected route: ActivatedRoute, private router: Router) {

src/app/shared/dso-selector/modal-wrappers/export-metadata-selector/export-metadata-selector.component.ts

@@ -28,7 +28,7 @@ import { DSOSelectorModalWrapperComponent, SelectorActionType } from '../dso-sel
 })
 export class ExportMetadataSelectorComponent extends DSOSelectorModalWrapperComponent implements OnInit {
   objectType = DSpaceObjectType.DSPACEOBJECT;
-  selectorType = DSpaceObjectType.DSPACEOBJECT;
+  selectorTypes = [DSpaceObjectType.COLLECTION, DSpaceObjectType.COMMUNITY];
   action = SelectorActionType.EXPORT_METADATA;
 
   constructor(protected activeModal: NgbActiveModal, protected route: ActivatedRoute, private router: Router,

src/app/shared/search/paginated-search-options.model.spec.ts

@@ -13,7 +13,7 @@ describe('PaginatedSearchOptions', () => {
   const scope = '0fde1ecb-82cc-425a-b600-ac3576d76b47';
   const baseUrl = 'www.rest.com';
   beforeEach(() => {
-    options = new PaginatedSearchOptions({sort: sortOptions, pagination: pageOptions, filters: filters, query: query, scope: scope, dsoType: DSpaceObjectType.ITEM});
+    options = new PaginatedSearchOptions({sort: sortOptions, pagination: pageOptions, filters: filters, query: query, scope: scope, dsoTypes: [DSpaceObjectType.ITEM]});
   });
 
   describe('when toRestUrl is called', () => {

src/app/shared/search/paginated-search-options.model.ts

@@ -12,7 +12,7 @@ export class PaginatedSearchOptions extends SearchOptions {
   pagination?: PaginationComponentOptions;
   sort?: SortOptions;
 
-  constructor(options: {configuration?: string, scope?: string, query?: string, dsoType?: DSpaceObjectType, filters?: SearchFilter[], fixedFilter?: any, pagination?: PaginationComponentOptions, sort?: SortOptions}) {
+  constructor(options: {configuration?: string, scope?: string, query?: string, dsoTypes?: DSpaceObjectType[], filters?: SearchFilter[], fixedFilter?: any, pagination?: PaginationComponentOptions, sort?: SortOptions}) {
     super(options);
     this.pagination = options.pagination;
     this.sort = options.sort;

src/app/shared/search/search-options.model.spec.ts

@@ -10,7 +10,7 @@ describe('SearchOptions', () => {
   const scope = '0fde1ecb-82cc-425a-b600-ac3576d76b47';
   const baseUrl = 'www.rest.com';
   beforeEach(() => {
-    options = new SearchOptions({ filters: filters, query: query, scope: scope , dsoType: DSpaceObjectType.ITEM});
+    options = new SearchOptions({ filters: filters, query: query, scope: scope , dsoTypes: [DSpaceObjectType.ITEM]});
   });
 
   describe('when toRestUrl is called', () => {

src/app/shared/search/search-options.model.ts

@@ -12,15 +12,15 @@ export class SearchOptions {
   view?: ViewMode = ViewMode.ListElement;
   scope?: string;
   query?: string;
-  dsoType?: DSpaceObjectType;
+  dsoTypes?: DSpaceObjectType[];
   filters?: any;
   fixedFilter?: any;
 
-  constructor(options: {configuration?: string, scope?: string, query?: string, dsoType?: DSpaceObjectType, filters?: SearchFilter[], fixedFilter?: any}) {
+  constructor(options: {configuration?: string, scope?: string, query?: string, dsoTypes?: DSpaceObjectType[], filters?: SearchFilter[], fixedFilter?: any}) {
       this.configuration = options.configuration;
       this.scope = options.scope;
       this.query = options.query;
-      this.dsoType = options.dsoType;
+      this.dsoTypes = options.dsoTypes;
       this.filters = options.filters;
       this.fixedFilter = options.fixedFilter;
   }
@@ -44,8 +44,10 @@ export class SearchOptions {
     if (isNotEmpty(this.scope)) {
       args.push(`scope=${this.scope}`);
     }
-    if (isNotEmpty(this.dsoType)) {
-      args.push(`dsoType=${this.dsoType}`);
+    if (isNotEmpty(this.dsoTypes)) {
+      this.dsoTypes.forEach((dsoType: string) => {
+        args.push(`dsoType=${dsoType}`);
+      })
     }
     if (isNotEmpty(this.filters)) {
       this.filters.forEach((filter: SearchFilter) => {

src/app/statistics/statistics.service.spec.ts

@@ -82,7 +82,7 @@ describe('StatisticsService', () => {
     const mockSearch: any = new SearchOptions({
       query: 'mock-query',
       configuration: 'mock-configuration',
-      dsoType: DSpaceObjectType.ITEM,
+      dsoTypes: [DSpaceObjectType.ITEM],
       scope: 'mock-scope'
     });
 
@@ -112,7 +112,7 @@ describe('StatisticsService', () => {
     const body = JSON.parse(request.body);
 
     it('should specify the dsoType', () => {
-      expect(body.dsoType).toBe('item');
+      expect(body.dsoTypes).toBe('item');
     });
 
     it('should specify the scope', () => {

src/app/statistics/statistics.service.ts

@@ -68,8 +68,9 @@ export class StatisticsService {
     if (hasValue(searchOptions.configuration)) {
       Object.assign(body, { configuration: searchOptions.configuration })
     }
-    if (hasValue(searchOptions.dsoType)) {
-      Object.assign(body, { dsoType: searchOptions.dsoType.toLowerCase() })
+    if (isNotEmpty(searchOptions.dsoTypes)) {
+      // TODO: check if backend statistics search even can handle multiple dsoTypes in body
+      Object.assign(body, { dsoTypes: searchOptions.dsoTypes.map( dsoType => dsoType.toLowerCase() ) })
     }
     if (hasValue(searchOptions.scope)) {
       Object.assign(body, { scope: searchOptions.scope })