Prevent request with page size of 9999

src/app/bitstream-page/edit-bitstream-page/edit-bitstream-page.component.html

@@ -1,6 +1,6 @@
 <ng-container *ngVar="(bitstreamRD$ | async) as bitstreamRD">
-  <div class="container" *ngVar="(bitstreamFormatsRD$ | async) as formatsRD">
-    <div class="row" *ngIf="bitstreamRD?.hasSucceeded && formatsRD?.hasSucceeded">
+  <div class="container">
+    <div class="row" *ngIf="bitstreamRD?.hasSucceeded">
       <div class="col-md-2">
         <ds-thumbnail [thumbnail]="bitstreamRD?.payload"></ds-thumbnail>
       </div>
@@ -27,7 +27,7 @@ <h1 class="h2">{{dsoNameService.getName(bitstreamRD?.payload)}} <span class="tex
       </div>
     </div>
     <ds-error *ngIf="bitstreamRD?.hasFailed" message="{{'error.bitstream' | translate}}"></ds-error>
-    <ds-loading *ngIf="!bitstreamRD || !formatsRD || bitstreamRD?.isLoading || formatsRD?.isLoading"
+    <ds-loading *ngIf="!bitstreamRD || bitstreamRD?.isLoading"
                 message="{{'loading.bitstream' | translate}}"></ds-loading>
   </div>
 </ng-container>

src/app/bitstream-page/edit-bitstream-page/edit-bitstream-page.component.spec.ts

@@ -261,7 +261,7 @@ describe('EditBitstreamPageComponent', () => {
       });
 
       it('should select the correct format', () => {
-        expect(rawForm.formatContainer.selectedFormat).toEqual(selectedFormat.id);
+        expect(rawForm.formatContainer.selectedFormat).toEqual(selectedFormat.shortDescription);
       });
 
       it('should put the \"New Format\" input on invisible', () => {
@@ -292,7 +292,13 @@ describe('EditBitstreamPageComponent', () => {
 
     describe('when an unknown format is selected', () => {
       beforeEach(() => {
-        comp.updateNewFormatLayout(allFormats[0].id);
+        comp.onChange({
+          model: {
+            id: 'selectedFormat',
+            value: allFormats[0],
+          },
+        });
+        comp.updateNewFormatLayout();
       });
 
       it('should remove the invisible class from the \"New Format\" input', () => {
@@ -394,9 +400,10 @@ describe('EditBitstreamPageComponent', () => {
 
       describe('when selected format has changed', () => {
         beforeEach(() => {
-          comp.formGroup.patchValue({
-            formatContainer: {
-              selectedFormat: allFormats[2].id,
+          comp.onChange({
+            model: {
+              id: 'selectedFormat',
+              value: allFormats[2],
             },
           });
           fixture.detectChanges();

src/app/bitstream-page/edit-bitstream-page/edit-bitstream-page.component.ts

@@ -21,7 +21,6 @@
   DynamicFormLayout,
   DynamicFormService,
   DynamicInputModel,
-  DynamicSelectModel,
 } from '@ng-dynamic-forms/core';
 import {
   TranslateModule,
@@ -39,23 +38,24 @@
   filter,
   map,
   switchMap,
+  take,
   tap,
 } from 'rxjs/operators';
 
 import { DSONameService } from '../../core/breadcrumbs/dso-name.service';
+import { FindAllDataImpl } from '../../core/data/base/find-all-data';
 import { BitstreamDataService } from '../../core/data/bitstream-data.service';
 import { BitstreamFormatDataService } from '../../core/data/bitstream-format-data.service';
-import { PaginatedList } from '../../core/data/paginated-list.model';
 import { PrimaryBitstreamService } from '../../core/data/primary-bitstream.service';
 import { RemoteData } from '../../core/data/remote-data';
 import { Bitstream } from '../../core/shared/bitstream.model';
 import { BitstreamFormat } from '../../core/shared/bitstream-format.model';
+import { BITSTREAM_FORMAT } from '../../core/shared/bitstream-format.resource-type';
 import { BitstreamFormatSupportLevel } from '../../core/shared/bitstream-format-support-level';
 import { Bundle } from '../../core/shared/bundle.model';
 import { Item } from '../../core/shared/item.model';
 import { Metadata } from '../../core/shared/metadata.utils';
 import {
-  getAllSucceededRemoteDataPayload,
   getFirstCompletedRemoteData,
   getFirstSucceededRemoteData,
   getFirstSucceededRemoteDataPayload,
@@ -72,6 +72,7 @@
 import { DynamicCustomSwitchModel } from '../../shared/form/builder/ds-dynamic-form-ui/models/custom-switch/custom-switch.model';
 import { DsDynamicInputModel } from '../../shared/form/builder/ds-dynamic-form-ui/models/ds-dynamic-input.model';
 import { DsDynamicTextAreaModel } from '../../shared/form/builder/ds-dynamic-form-ui/models/ds-dynamic-textarea.model';
+import { DynamicScrollableDropdownModel } from '../../shared/form/builder/ds-dynamic-form-ui/models/scrollable-dropdown/dynamic-scrollable-dropdown.model';
 import { FormComponent } from '../../shared/form/form.component';
 import { ThemedLoadingComponent } from '../../shared/loading/themed-loading.component';
 import { NotificationsService } from '../../shared/notifications/notifications.service';
@@ -109,12 +110,6 @@
    */
   bitstreamRD$: Observable<RemoteData<Bitstream>>;
 
-  /**
-   * The formats their remote data observable
-   * Tracks changes and updates the view
-   */
-  bitstreamFormatsRD$: Observable<RemoteData<PaginatedList<BitstreamFormat>>>;
-
   /**
    * The UUID of the primary bitstream for this bundle
    */
@@ -130,11 +125,6 @@
    */
   originalFormat: BitstreamFormat;
 
-  /**
-   * A list of all available bitstream formats
-   */
-  formats: BitstreamFormat[];
-
   /**
    * @type {string} Key prefix used to generate form messages
    */
@@ -178,7 +168,10 @@
   /**
    * Options for fetching all bitstream formats
    */
-  findAllOptions = { elementsPerPage: 9999 };
+  findAllOptions = {
+    elementsPerPage: 20,
+    currentPage: 1,
+  };
 
   /**
    * The Dynamic Input Model for the file's name
@@ -218,9 +211,22 @@
   /**
    * The Dynamic Input Model for the selected format
    */
-  selectedFormatModel = new DynamicSelectModel({
+  selectedFormatModel = new DynamicScrollableDropdownModel({
     id: 'selectedFormat',
     name: 'selectedFormat',
+    displayKey: 'shortDescription',
+    repeatable: false,
+    metadataFields: [],
+    submissionId: '',
+    hasSelectableMetadata: false,
+    resourceType: BITSTREAM_FORMAT,
+    formatFunction: (format: BitstreamFormat | string) => {
+      if (format instanceof  BitstreamFormat) {
+        return hasValue(format) && format.supportLevel === BitstreamFormatSupportLevel.Unknown ? this.translate.instant(this.KEY_PREFIX + 'selectedFormat.unknown') : format.shortDescription;
+      } else {
+        return format;
+      }
+    },
   });
 
   /**
@@ -438,6 +444,11 @@
    * @private
    */
   private bundle: Bundle;
+  /**
+   * The currently selected format
+   * @private
+   */
+  private selectedFormat: BitstreamFormat;
 
   constructor(private route: ActivatedRoute,
               private router: Router,
@@ -463,18 +474,12 @@
     this.itemId = this.route.snapshot.queryParams.itemId;
     this.entityType = this.route.snapshot.queryParams.entityType;
     this.bitstreamRD$ = this.route.data.pipe(map((data: any) => data.bitstream));
-    this.bitstreamFormatsRD$ = this.bitstreamFormatService.findAll(this.findAllOptions);
 
     const bitstream$ = this.bitstreamRD$.pipe(
       getFirstSucceededRemoteData(),
       getRemoteDataPayload(),
     );
 
-    const allFormats$ = this.bitstreamFormatsRD$.pipe(
-      getFirstSucceededRemoteData(),
-      getRemoteDataPayload(),
-    );
-
     const bundle$ = bitstream$.pipe(
       switchMap((bitstream: Bitstream) => bitstream.bundle),
       getFirstSucceededRemoteDataPayload(),
@@ -490,24 +495,31 @@
       switchMap((bundle: Bundle) => bundle.item),
       getFirstSucceededRemoteDataPayload(),
     );
+    const format$ = bitstream$.pipe(
+      switchMap(bitstream => bitstream.format),
+      getFirstSucceededRemoteDataPayload(),
+    );
+
     this.subs.push(
       observableCombineLatest(
         bitstream$,
-        allFormats$,
         bundle$,
         primaryBitstream$,
         item$,
-      ).pipe()
-        .subscribe(([bitstream, allFormats, bundle, primaryBitstream, item]) => {
-          this.bitstream = bitstream as Bitstream;
-          this.formats = allFormats.page;
-          this.bundle = bundle;
-          // hasValue(primaryBitstream) because if there's no primaryBitstream on the bundle it will
-          // be a success response, but empty
-          this.primaryBitstreamUUID = hasValue(primaryBitstream) ? primaryBitstream.uuid : null;
-          this.itemId = item.uuid;
-          this.setIiifStatus(this.bitstream);
-        }),
+        format$,
+      ).subscribe(([bitstream, bundle, primaryBitstream, item, format]) => {
+        this.bitstream = bitstream as Bitstream;
+        this.bundle = bundle;
+        this.selectedFormat = format;
+        // hasValue(primaryBitstream) because if there's no primaryBitstream on the bundle it will
+        // be a success response, but empty
+        this.primaryBitstreamUUID = hasValue(primaryBitstream) ? primaryBitstream.uuid : null;
+        this.itemId = item.uuid;
+        this.setIiifStatus(this.bitstream);
+      }),
+      format$.pipe(take(1)).subscribe(
+        (format) => this.originalFormat = format,
+      ),
     );
 
     this.subs.push(
@@ -523,7 +535,6 @@
    */
   setForm() {
     this.formGroup = this.formService.createFormGroup(this.formModel);
-    this.updateFormatModel();
     this.updateForm(this.bitstream);
     this.updateFieldTranslations();
   }
@@ -542,6 +553,7 @@
         description: bitstream.firstMetadataValue('dc.description'),
       },
       formatContainer: {
+        selectedFormat: this.selectedFormat.shortDescription,
         newFormat: hasValue(bitstream.firstMetadata('dc.format')) ? bitstream.firstMetadata('dc.format').value : undefined,
       },
     });
@@ -561,36 +573,16 @@
         },
       });
     }
-    this.bitstream.format.pipe(
-      getAllSucceededRemoteDataPayload(),
-    ).subscribe((format: BitstreamFormat) => {
-      this.originalFormat = format;
-      this.formGroup.patchValue({
-        formatContainer: {
-          selectedFormat: format.id,
-        },
-      });
-      this.updateNewFormatLayout(format.id);
-    });
+    this.updateNewFormatLayout();
   }
 
-  /**
-   * Create the list of unknown format IDs an add options to the selectedFormatModel
-   */
-  updateFormatModel() {
-    this.selectedFormatModel.options = this.formats.map((format: BitstreamFormat) =>
-      Object.assign({
-        value: format.id,
-        label: this.isUnknownFormat(format.id) ? this.translate.instant(this.KEY_PREFIX + 'selectedFormat.unknown') : format.shortDescription,
-      }));
-  }
 
   /**
    * Update the layout of the "Other Format" input depending on the selected format
    * @param selectedId
    */
-  updateNewFormatLayout(selectedId: string) {
-    if (this.isUnknownFormat(selectedId)) {
+  updateNewFormatLayout() {
+    if (this.isUnknownFormat()) {
       this.formLayout.newFormat.grid.host = this.newFormatBaseLayout;
     } else {
       this.formLayout.newFormat.grid.host = this.newFormatBaseLayout + ' invisible';
@@ -601,9 +593,8 @@
    * Is the provided format (id) part of the list of unknown formats?
    * @param id
    */
-  isUnknownFormat(id: string): boolean {
-    const format = this.formats.find((f: BitstreamFormat) => f.id === id);
-    return hasValue(format) && format.supportLevel === BitstreamFormatSupportLevel.Unknown;
+  isUnknownFormat(): boolean {
+    return hasValue(this.selectedFormat) &&  this.selectedFormat.supportLevel === BitstreamFormatSupportLevel.Unknown;
   }
 
   /**
@@ -635,7 +626,8 @@
   onChange(event) {
     const model = event.model;
     if (model.id === this.selectedFormatModel.id) {
-      this.updateNewFormatLayout(model.value);
+      this.selectedFormat = model.value;
+      this.updateNewFormatLayout();
     }
   }
 
@@ -645,8 +637,7 @@
   onSubmit() {
     const updatedValues = this.formGroup.getRawValue();
     const updatedBitstream = this.formToBitstream(updatedValues);
-    const selectedFormat = this.formats.find((f: BitstreamFormat) => f.id === updatedValues.formatContainer.selectedFormat);
-    const isNewFormat = selectedFormat.id !== this.originalFormat.id;
+    const isNewFormat = this.selectedFormat.id !== this.originalFormat.id;
     const isPrimary = updatedValues.fileNamePrimaryContainer.primaryBitstream;
     const wasPrimary = this.primaryBitstreamUUID === this.bitstream.uuid;
 
@@ -698,7 +689,7 @@
       bundle$ = observableOf(this.bundle);
     }
     if (isNewFormat) {
-      bitstream$ = this.bitstreamService.updateFormat(this.bitstream, selectedFormat).pipe(
+      bitstream$ = this.bitstreamService.updateFormat(this.bitstream, this.selectedFormat).pipe(
         getFirstCompletedRemoteData(),
         map((formatResponse: RemoteData<Bitstream>) => {
           if (hasValue(formatResponse) && formatResponse.hasFailed) {
@@ -856,4 +847,7 @@
       .forEach((subscription) => subscription.unsubscribe());
   }
 
+  findAllFormatsServiceFactory() {
+    return () => this.bitstreamFormatService as any as FindAllDataImpl<BitstreamFormat>;
+  }
 }

src/app/core/data/bitstream-data.service.ts

@@ -241,11 +241,12 @@ export class BitstreamDataService extends IdentifiableDataService<Bitstream> imp
    *                                    no valid cached version. Defaults to true
    * @param reRequestOnStale            Whether or not the request should automatically be re-
    *                                    requested after the response becomes stale
+   * @param options                     the {@link FindListOptions} for the request
    * @return {Observable<Bitstream | null>}
    *    Return an observable that contains primary bitstream information or null
    */
-  public findPrimaryBitstreamByItemAndName(item: Item, bundleName: string, useCachedVersionIfAvailable = true, reRequestOnStale = true): Observable<Bitstream | null> {
-    return this.bundleService.findByItemAndName(item, bundleName, useCachedVersionIfAvailable, reRequestOnStale, followLink('primaryBitstream')).pipe(
+  public findPrimaryBitstreamByItemAndName(item: Item, bundleName: string, useCachedVersionIfAvailable = true, reRequestOnStale = true, options?: FindListOptions): Observable<Bitstream | null> {
+    return this.bundleService.findByItemAndName(item, bundleName, useCachedVersionIfAvailable, reRequestOnStale, options, followLink('primaryBitstream')).pipe(
       getFirstCompletedRemoteData(),
       switchMap((rd: RemoteData<Bundle>) => {
         if (!rd.hasSucceeded) {