Merge pull request #1792 from atmire/w2p-93914_delete-process

Add delete process functionality

src/app/process-page/detail/process-detail.component.html

@@ -1,53 +1,99 @@
 <div class="container" *ngVar="(processRD$ | async)?.payload as process">
     <div class="d-flex">
-        <h2 class="flex-grow-1">{{'process.detail.title' | translate:{id: process?.processId, name: process?.scriptName} }}</h2>
+        <h2 class="flex-grow-1">{{'process.detail.title' | translate:{
-        <div>
+            id: process?.processId,
-            <button class="btn btn-lg btn-success " routerLink="/processes/new" [queryParams]="{id: process?.processId}"><i class="fas fa-plus pr-2"></i>{{'process.detail.create' | translate}}</button>
+            name: process?.scriptName
-        </div>
+        } }}</h2>
     </div>
     <ds-process-detail-field id="process-name" [title]="'process.detail.script'">
         <div>{{ process?.scriptName }}</div>
     </ds-process-detail-field>
 
-    <ds-process-detail-field *ngIf="process?.parameters && process?.parameters?.length > 0" id="process-arguments" [title]="'process.detail.arguments'">
+    <ds-process-detail-field *ngIf="process?.parameters && process?.parameters?.length > 0" id="process-arguments"
+                             [title]="'process.detail.arguments'">
         <div *ngFor="let argument of process?.parameters">{{ argument?.name }} {{ argument?.value }}</div>
     </ds-process-detail-field>
 
     <div *ngVar="(filesRD$ | async)?.payload?.page as files">
-        <ds-process-detail-field *ngIf="files && files?.length > 0" id="process-files" [title]="'process.detail.output-files'">
+        <ds-process-detail-field *ngIf="files && files?.length > 0" id="process-files"
-          <ds-file-download-link *ngFor="let file of files; let last=last;" [bitstream]="file">
+                                 [title]="'process.detail.output-files'">
-            <span>{{getFileName(file)}}</span>
+            <ds-file-download-link *ngFor="let file of files; let last=last;" [bitstream]="file">
-            <span>({{(file?.sizeBytes) | dsFileSize }})</span>
+                <span>{{getFileName(file)}}</span>
-          </ds-file-download-link>
+                <span>({{(file?.sizeBytes) | dsFileSize }})</span>
+            </ds-file-download-link>
         </ds-process-detail-field>
     </div>
 
-    <ds-process-detail-field *ngIf="process && process.startTime" id="process-start-time" [title]="'process.detail.start-time' | translate">
+    <ds-process-detail-field *ngIf="process && process.startTime" id="process-start-time"
+                             [title]="'process.detail.start-time' | translate">
         <div>{{ process.startTime | date:dateFormat:'UTC' }}</div>
     </ds-process-detail-field>
 
-    <ds-process-detail-field *ngIf="process && process.endTime" id="process-end-time" [title]="'process.detail.end-time' | translate">
+    <ds-process-detail-field *ngIf="process && process.endTime" id="process-end-time"
+                             [title]="'process.detail.end-time' | translate">
         <div>{{ process.endTime | date:dateFormat:'UTC' }}</div>
     </ds-process-detail-field>
 
-    <ds-process-detail-field *ngIf="process && process.processStatus" id="process-status" [title]="'process.detail.status' | translate">
+    <ds-process-detail-field *ngIf="process && process.processStatus" id="process-status"
+                             [title]="'process.detail.status' | translate">
         <div>{{ process.processStatus }}</div>
     </ds-process-detail-field>
 
     <ds-process-detail-field *ngIf="isProcessFinished(process)" id="process-output" [title]="'process.detail.output'">
-      <button *ngIf="!showOutputLogs && process?._links?.output?.href != undefined" id="showOutputButton" class="btn btn-primary" (click)="showProcessOutputLogs()">
+        <button *ngIf="!showOutputLogs && process?._links?.output?.href != undefined" id="showOutputButton"
-        {{ 'process.detail.logs.button' | translate }}
+                class="btn btn-primary" (click)="showProcessOutputLogs()">
-      </button>
+            {{ 'process.detail.logs.button' | translate }}
-      <ds-themed-loading *ngIf="retrievingOutputLogs$ | async" class="ds-themed-loading" message="{{ 'process.detail.logs.loading' | translate }}"></ds-themed-loading>
+        </button>
-      <pre class="font-weight-bold text-secondary bg-light p-3"
+        <ds-themed-loading *ngIf="retrievingOutputLogs$ | async" class="ds-themed-loading"
-           *ngIf="showOutputLogs && (outputLogs$ | async)?.length > 0">{{ (outputLogs$ | async) }}</pre>
+                           message="{{ 'process.detail.logs.loading' | translate }}"></ds-themed-loading>
-      <p id="no-output-logs-message" *ngIf="(!(retrievingOutputLogs$ | async) && showOutputLogs)
+        <pre class="font-weight-bold text-secondary bg-light p-3"
+             *ngIf="showOutputLogs && (outputLogs$ | async)?.length > 0">{{ (outputLogs$ | async) }}</pre>
+        <p id="no-output-logs-message" *ngIf="(!(retrievingOutputLogs$ | async) && showOutputLogs)
       && !(outputLogs$ | async) || (outputLogs$ | async)?.length == 0 || !process._links.output">
-        {{ 'process.detail.logs.none' | translate }}
+            {{ 'process.detail.logs.none' | translate }}
-      </p>
+        </p>
+    </ds-process-detail-field>
+
+    <ds-process-detail-field id="process-actions" [title]="'process.detail.actions'">
+        <button class="btn btn-success mr-2" routerLink="/processes/new" [queryParams]="{id: process?.processId}"><i
+                class="fas fa-plus pr-2"></i>{{'process.detail.create' | translate}}</button>
+        <button *ngIf="isProcessFinished(process)" id="delete" class="btn btn-danger"
+                (click)="openDeleteModal(deleteModal)">
+            <i class="fas fa-trash pr-2"></i>{{ 'process.detail.delete.button' | translate }}
+        </button>
     </ds-process-detail-field>
 
     <div style="text-align: right;">
-      <a class="btn btn-outline-secondary mt-3" [routerLink]="'/processes'">{{'process.detail.back' | translate}}</a>
+        <a class="btn btn-outline-secondary mt-3" [routerLink]="'/processes'">{{'process.detail.back' | translate}}</a>
     </div>
 </div>
+
+<ng-template #deleteModal >
+
+    <div *ngVar="(processRD$ | async)?.payload as process">
+
+        <div class="modal-header">
+            <div>
+                <h4>{{'process.detail.delete.header' | translate }}</h4>
+            </div>
+            <button type="button" class="close"
+                    (click)="closeModal()" aria-label="Close">
+                <span aria-hidden="true">×</span>
+            </button>
+        </div>
+
+        <div class="modal-body">
+            <div>{{'process.detail.delete.body' | translate }}</div>
+            <div class="mt-4">
+                <button class="btn btn-primary mr-2" (click)="closeModal()">{{'process.detail.delete.cancel' | translate}}</button>
+                <button id="delete-confirm" class="btn btn-danger"
+                        (click)="deleteProcess(process)">{{ 'process.detail.delete.confirm' | translate }}
+                </button>
+            </div>
+        </div>
+
+
+    </div>
+
+</ng-template>
+

src/app/process-page/detail/process-detail.component.spec.ts

@@ -19,15 +19,23 @@ import { RouterTestingModule } from '@angular/router/testing';
 import { CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
 import { ProcessDetailFieldComponent } from './process-detail-field/process-detail-field.component';
 import { Process } from '../processes/process.model';
-import { ActivatedRoute } from '@angular/router';
+import { ActivatedRoute, Router } from '@angular/router';
 import { of as observableOf } from 'rxjs';
 import { By } from '@angular/platform-browser';
 import { FileSizePipe } from '../../shared/utils/file-size-pipe';
 import { Bitstream } from '../../core/shared/bitstream.model';
 import { ProcessDataService } from '../../core/data/processes/process-data.service';
 import { DSONameService } from '../../core/breadcrumbs/dso-name.service';
-import { createSuccessfulRemoteDataObject, createSuccessfulRemoteDataObject$ } from '../../shared/remote-data.utils';
+import {
+  createFailedRemoteDataObject$,
+  createSuccessfulRemoteDataObject,
+  createSuccessfulRemoteDataObject$
+} from '../../shared/remote-data.utils';
 import { createPaginatedList } from '../../shared/testing/utils.test';
+import { NotificationsServiceStub } from '../../shared/testing/notifications-service.stub';
+import { NgbModal } from '@ng-bootstrap/ng-bootstrap';
+import { NotificationsService } from '../../shared/notifications/notifications.service';
+import { getProcessListRoute } from '../process-page-routing.paths';
 
 describe('ProcessDetailComponent', () => {
   let component: ProcessDetailComponent;
@@ -44,6 +52,11 @@ describe('ProcessDetailComponent', () => {
 
   let processOutput;
 
+  let modalService;
+  let notificationsService;
+
+  let router;
+
   function init() {
     processOutput = 'Process Started';
     process = Object.assign(new Process(), {
@@ -93,7 +106,8 @@ describe('ProcessDetailComponent', () => {
       }
     });
     processService = jasmine.createSpyObj('processService', {
-      getFiles: createSuccessfulRemoteDataObject$(createPaginatedList(files))
+      getFiles: createSuccessfulRemoteDataObject$(createPaginatedList(files)),
+      delete: createSuccessfulRemoteDataObject$(null)
     });
     bitstreamDataService = jasmine.createSpyObj('bitstreamDataService', {
       findByHref: createSuccessfulRemoteDataObject$(logBitstream)
@@ -104,13 +118,23 @@ describe('ProcessDetailComponent', () => {
     httpClient = jasmine.createSpyObj('httpClient', {
       get: observableOf(processOutput)
     });
+
+    modalService = jasmine.createSpyObj('modalService', {
+      open: {}
+    });
+
+    notificationsService = new NotificationsServiceStub();
+
+    router = jasmine.createSpyObj('router', {
+      navigateByUrl:{}
+    });
   }
 
   beforeEach(waitForAsync(() => {
     init();
     TestBed.configureTestingModule({
       declarations: [ProcessDetailComponent, ProcessDetailFieldComponent, VarDirective, FileSizePipe],
-      imports: [TranslateModule.forRoot(), RouterTestingModule.withRoutes([])],
+      imports: [TranslateModule.forRoot()],
       providers: [
         {
           provide: ActivatedRoute,
@@ -121,6 +145,9 @@ describe('ProcessDetailComponent', () => {
         { provide: DSONameService, useValue: nameService },
         { provide: AuthService, useValue: new AuthServiceMock() },
         { provide: HttpClient, useValue: httpClient },
+        { provide: NgbModal, useValue: modalService },
+        { provide: NotificationsService, useValue: notificationsService },
+        { provide: Router, useValue: router },
       ],
       schemas: [CUSTOM_ELEMENTS_SCHEMA]
     }).compileComponents();
@@ -207,4 +234,34 @@ describe('ProcessDetailComponent', () => {
     });
   });
 
+  describe('openDeleteModal', () => {
+    it('should open the modal', () => {
+      component.openDeleteModal({});
+      expect(modalService.open).toHaveBeenCalledWith({});
+    });
+  });
+
+  describe('deleteProcess', () => {
+    it('should delete the process and navigate back to the overview page on success', () => {
+      spyOn(component, 'closeModal');
+      component.deleteProcess(process);
+
+      expect(processService.delete).toHaveBeenCalledWith(process.processId);
+      expect(notificationsService.success).toHaveBeenCalled();
+      expect(component.closeModal).toHaveBeenCalled();
+      expect(router.navigateByUrl).toHaveBeenCalledWith(getProcessListRoute());
+    });
+    it('should delete the process and not navigate on error', () => {
+      (processService.delete as jasmine.Spy).and.returnValue(createFailedRemoteDataObject$());
+      spyOn(component, 'closeModal');
+
+      component.deleteProcess(process);
+
+      expect(processService.delete).toHaveBeenCalledWith(process.processId);
+      expect(notificationsService.error).toHaveBeenCalled();
+      expect(component.closeModal).not.toHaveBeenCalled();
+      expect(router.navigateByUrl).not.toHaveBeenCalled();
+    });
+  });
+
 });

src/app/process-page/detail/process-detail.component.ts

@@ -12,8 +12,9 @@ import { RemoteData } from '../../core/data/remote-data';
 import { Bitstream } from '../../core/shared/bitstream.model';
 import { DSpaceObject } from '../../core/shared/dspace-object.model';
 import {
-  getFirstSucceededRemoteDataPayload,
+  getFirstCompletedRemoteData,
-  getFirstSucceededRemoteData
+  getFirstSucceededRemoteData,
+  getFirstSucceededRemoteDataPayload
 } from '../../core/shared/operators';
 import { URLCombiner } from '../../core/url-combiner/url-combiner';
 import { AlertType } from '../../shared/alert/aletr-type';
@@ -21,6 +22,10 @@ import { hasValue } from '../../shared/empty.util';
 import { ProcessStatus } from '../processes/process-status.model';
 import { Process } from '../processes/process.model';
 import { redirectOn4xx } from '../../core/shared/authorized.operators';
+import { NgbModal, NgbModalRef } from '@ng-bootstrap/ng-bootstrap';
+import { getProcessListRoute } from '../process-page-routing.paths';
+import { NotificationsService } from '../../shared/notifications/notifications.service';
+import { TranslateService } from '@ngx-translate/core';
 
 @Component({
   selector: 'ds-process-detail',
@@ -71,6 +76,11 @@ export class ProcessDetailComponent implements OnInit {
    */
   dateFormat = 'yyyy-MM-dd HH:mm:ss ZZZZ';
 
+  /**
+   * Reference to NgbModal
+   */
+  protected modalRef: NgbModalRef;
+
   constructor(protected route: ActivatedRoute,
               protected router: Router,
               protected processService: ProcessDataService,
@@ -78,7 +88,11 @@ export class ProcessDetailComponent implements OnInit {
               protected nameService: DSONameService,
               private zone: NgZone,
               protected authService: AuthService,
-              protected http: HttpClient) {
+              protected http: HttpClient,
+              protected modalService: NgbModal,
+              protected notificationsService: NotificationsService,
+              protected translateService: TranslateService
+  ) {
   }
 
   /**
@@ -172,4 +186,36 @@ export class ProcessDetailComponent implements OnInit {
         || process.processStatus.toString() === ProcessStatus[ProcessStatus.FAILED].toString()));
   }
 
+  /**
+   * Delete the current process
+   * @param process
+   */
+  deleteProcess(process: Process) {
+    this.processService.delete(process.processId).pipe(
+      getFirstCompletedRemoteData()
+    ).subscribe((rd) => {
+      if (rd.hasSucceeded) {
+        this.notificationsService.success(this.translateService.get('process.detail.delete.success'));
+        this.closeModal();
+        this.router.navigateByUrl(getProcessListRoute());
+      } else {
+        this.notificationsService.error(this.translateService.get('process.detail.delete.error'));
+      }
+    });
+  }
+
+  /**
+   * Open a given modal.
+   * @param content   - the modal content.
+   */
+  openDeleteModal(content) {
+    this.modalRef = this.modalService.open(content);
+  }
+  /**
+   * Close the modal.
+   */
+  closeModal() {
+    this.modalRef.close();
+  }
+
 }

src/app/process-page/overview/process-bulk-delete.service.spec.ts

@@ -0,0 +1,149 @@
+import { ProcessBulkDeleteService } from './process-bulk-delete.service';
+import { waitForAsync } from '@angular/core/testing';
+import { createFailedRemoteDataObject$, createSuccessfulRemoteDataObject$ } from '../../shared/remote-data.utils';
+import { NotificationsServiceStub } from '../../shared/testing/notifications-service.stub';
+import { getMockTranslateService } from '../../shared/mocks/translate.service.mock';
+
+describe('ProcessBulkDeleteService', () => {
+
+  let service: ProcessBulkDeleteService;
+  let processDataService;
+  let notificationsService;
+  let mockTranslateService;
+
+  beforeEach(waitForAsync(() => {
+    processDataService = jasmine.createSpyObj('processDataService', {
+      delete: createSuccessfulRemoteDataObject$(null)
+    });
+    notificationsService = new NotificationsServiceStub();
+    mockTranslateService = getMockTranslateService();
+    service = new ProcessBulkDeleteService(processDataService, notificationsService, mockTranslateService);
+  }));
+
+  describe('toggleDelete', () => {
+    it('should add a new value to the processesToDelete list when not yet present', () => {
+      service.toggleDelete('test-id-1');
+      service.toggleDelete('test-id-2');
+
+      expect(service.processesToDelete).toEqual(['test-id-1', 'test-id-2']);
+    });
+    it('should remove a value from the processesToDelete list when already present', () => {
+      service.toggleDelete('test-id-1');
+      service.toggleDelete('test-id-2');
+
+      expect(service.processesToDelete).toEqual(['test-id-1', 'test-id-2']);
+
+      service.toggleDelete('test-id-1');
+      expect(service.processesToDelete).toEqual(['test-id-2']);
+    });
+  });
+
+  describe('isToBeDeleted', () => {
+    it('should return true when the provided process id is present in the list', () => {
+      service.toggleDelete('test-id-1');
+      service.toggleDelete('test-id-2');
+
+      expect(service.isToBeDeleted('test-id-1')).toBeTrue();
+    });
+    it('should return false when the provided process id is not present in the list', () => {
+      service.toggleDelete('test-id-1');
+      service.toggleDelete('test-id-2');
+
+      expect(service.isToBeDeleted('test-id-3')).toBeFalse();
+    });
+  });
+
+  describe('clearAllProcesses', () => {
+    it('should clear the list of to be deleted processes', () => {
+      service.toggleDelete('test-id-1');
+      service.toggleDelete('test-id-2');
+
+      expect(service.processesToDelete).toEqual(['test-id-1', 'test-id-2']);
+
+      service.clearAllProcesses();
+      expect(service.processesToDelete).toEqual([]);
+    });
+  });
+  describe('getAmountOfSelectedProcesses', () => {
+    it('should return the amount of the currently selected processes for deletion', () => {
+      service.toggleDelete('test-id-1');
+      service.toggleDelete('test-id-2');
+
+      expect(service.getAmountOfSelectedProcesses()).toEqual(2);
+    });
+  });
+  describe('isProcessing$', () => {
+    it('should return a behavior subject containing whether a delete is currently processing or not', () => {
+      const result = service.isProcessing$();
+      expect(result.getValue()).toBeFalse();
+
+      result.next(true);
+      expect(result.getValue()).toBeTrue();
+    });
+  });
+  describe('hasSelected', () => {
+    it('should return if the list of selected processes has values', () => {
+      expect(service.hasSelected()).toBeFalse();
+
+      service.toggleDelete('test-id-1');
+      service.toggleDelete('test-id-2');
+
+      expect(service.hasSelected()).toBeTrue();
+    });
+  });
+  describe('deleteSelectedProcesses', () => {
+    it('should delete all selected processes, show an error for each failed one and a notification at the end with the amount of succeeded deletions', () => {
+      (processDataService.delete as jasmine.Spy).and.callFake((processId: string) => {
+        if (processId.includes('error')) {
+          return createFailedRemoteDataObject$();
+        } else {
+          return createSuccessfulRemoteDataObject$(null);
+        }
+      });
+
+      service.toggleDelete('test-id-1');
+      service.toggleDelete('test-id-2');
+      service.toggleDelete('error-id-3');
+      service.toggleDelete('test-id-4');
+      service.toggleDelete('error-id-5');
+      service.toggleDelete('error-id-6');
+      service.toggleDelete('test-id-7');
+
+
+      service.deleteSelectedProcesses();
+
+      expect(processDataService.delete).toHaveBeenCalledWith('test-id-1');
+
+
+      expect(processDataService.delete).toHaveBeenCalledWith('test-id-2');
+
+
+      expect(processDataService.delete).toHaveBeenCalledWith('error-id-3');
+      expect(notificationsService.error).toHaveBeenCalled();
+      expect(mockTranslateService.get).toHaveBeenCalledWith('process.bulk.delete.error.body', {processId: 'error-id-3'});
+
+
+      expect(processDataService.delete).toHaveBeenCalledWith('test-id-4');
+
+
+      expect(processDataService.delete).toHaveBeenCalledWith('error-id-5');
+      expect(notificationsService.error).toHaveBeenCalled();
+      expect(mockTranslateService.get).toHaveBeenCalledWith('process.bulk.delete.error.body', {processId: 'error-id-5'});
+
+
+      expect(processDataService.delete).toHaveBeenCalledWith('error-id-6');
+      expect(notificationsService.error).toHaveBeenCalled();
+      expect(mockTranslateService.get).toHaveBeenCalledWith('process.bulk.delete.error.body', {processId: 'error-id-6'});
+
+
+      expect(processDataService.delete).toHaveBeenCalledWith('test-id-7');
+
+      expect(notificationsService.success).toHaveBeenCalled();
+      expect(mockTranslateService.get).toHaveBeenCalledWith('process.bulk.delete.success', {count: 4});
+
+      expect(service.processesToDelete).toEqual(['error-id-3', 'error-id-5', 'error-id-6']);
+
+
+    });
+  });
+});

src/app/process-page/overview/process-bulk-delete.service.ts

@@ -0,0 +1,118 @@
+import { Process } from '../processes/process.model';
+import { Injectable } from '@angular/core';
+import { ProcessDataService } from '../../core/data/processes/process-data.service';
+import { NotificationsService } from '../../shared/notifications/notifications.service';
+import { isNotEmpty } from '../../shared/empty.util';
+import { BehaviorSubject, count, from } from 'rxjs';
+import { getFirstCompletedRemoteData } from '../../core/shared/operators';
+import { concatMap, filter, tap } from 'rxjs/operators';
+import { RemoteData } from '../../core/data/remote-data';
+import { TranslateService } from '@ngx-translate/core';
+
+@Injectable({
+  providedIn: 'root'
+})
+/**
+ * Service to facilitate removing processes in bulk.
+ */
+export class ProcessBulkDeleteService {
+
+  /**
+   * Array to track the processes to be deleted
+   */
+  processesToDelete: string[] = [];
+
+  /**
+   * Behavior subject to track whether the delete is processing
+   * @protected
+   */
+  protected isProcessingBehaviorSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
+
+  constructor(
+    protected processDataService: ProcessDataService,
+    protected notificationsService: NotificationsService,
+    protected translateService: TranslateService
+  ) {
+  }
+
+  /**
+   * Add or remove a process id to/from the list
+   * If the id is already present it will be removed, otherwise it will be added.
+   *
+   * @param processId - The process id to add or remove
+   */
+  toggleDelete(processId: string) {
+    if (this.isToBeDeleted(processId)) {
+      this.processesToDelete.splice(this.processesToDelete.indexOf(processId), 1);
+    } else {
+      this.processesToDelete.push(processId);
+    }
+  }
+
+  /**
+   * Checks if the provided process id is present in the to be deleted list
+   * @param processId
+   */
+  isToBeDeleted(processId: string) {
+    return this.processesToDelete.includes(processId);
+  }
+
+  /**
+   * Clear the list of processes to be deleted
+   */
+  clearAllProcesses() {
+    this.processesToDelete.splice(0);
+  }
+
+  /**
+   * Get the amount of processes selected for deletion
+   */
+  getAmountOfSelectedProcesses() {
+    return this.processesToDelete.length;
+  }
+
+  /**
+   * Returns a behavior subject to indicate whether the bulk delete is processing
+   */
+  isProcessing$() {
+    return this.isProcessingBehaviorSubject;
+  }
+
+  /**
+   * Returns whether there currently are values selected for deletion
+   */
+  hasSelected(): boolean {
+    return isNotEmpty(this.processesToDelete);
+  }
+
+  /**
+   * Delete all selected processes one by one
+   * When the deletion for a process fails, an error notification will be shown with the process id,
+   * but it will continue deleting the other processes.
+   * At the end it will show a notification stating the amount of successful deletes
+   * The successfully deleted processes will be removed from the list of selected values, the failed ones will be retained.
+   */
+  deleteSelectedProcesses() {
+    this.isProcessingBehaviorSubject.next(true);
+
+    from([...this.processesToDelete]).pipe(
+      concatMap((processId) => {
+        return this.processDataService.delete(processId).pipe(
+          getFirstCompletedRemoteData(),
+          tap((rd: RemoteData<Process>) => {
+            if (rd.hasFailed) {
+              this.notificationsService.error(this.translateService.get('process.bulk.delete.error.head'), this.translateService.get('process.bulk.delete.error.body', {processId: processId}));
+            } else {
+              this.toggleDelete(processId);
+            }
+          })
+        );
+      }),
+      filter((rd: RemoteData<Process>) => rd.hasSucceeded),
+      count(),
+    ).subscribe((value) => {
+      this.notificationsService.success(this.translateService.get('process.bulk.delete.success', {count: value}));
+      this.isProcessingBehaviorSubject.next(false);
+    });
+  }
+}

src/app/process-page/overview/process-overview.component.html

@@ -1,7 +1,19 @@
 <div class="container">
     <div class="d-flex">
         <h2 class="flex-grow-1">{{'process.overview.title' | translate}}</h2>
-        <button class="btn btn-lg btn-success " routerLink="/processes/new"><i class="fas fa-plus pr-2"></i>{{'process.overview.new' | translate}}</button>
+    </div>
+    <div class="d-flex justify-content-end">
+        <button *ngIf="processBulkDeleteService.hasSelected()" class="btn btn-primary mr-2"
+                (click)="processBulkDeleteService.clearAllProcesses()"><i
+                class="fas fa-undo pr-2"></i>{{'process.overview.delete.clear' | translate }}
+        </button>
+        <button *ngIf="processBulkDeleteService.hasSelected()" class="btn btn-danger mr-2"
+                (click)="openDeleteModal(deleteModal)"><i
+                class="fas fa-trash pr-2"></i>{{'process.overview.delete' | translate: {count: processBulkDeleteService.getAmountOfSelectedProcesses()} }}
+        </button>
+        <button class="btn btn-success" routerLink="/processes/new"><i
+                class="fas fa-plus pr-2"></i>{{'process.overview.new' | translate}}</button>
+
     </div>
     <ds-pagination *ngIf="(processesRD$ | async)?.payload?.totalElements > 0"
                    [paginationOptions]="pageConfig"
@@ -19,19 +31,61 @@
                     <th scope="col">{{'process.overview.table.start' | translate}}</th>
                     <th scope="col">{{'process.overview.table.finish' | translate}}</th>
                     <th scope="col">{{'process.overview.table.status' | translate}}</th>
+                    <th scope="col">{{'process.overview.table.actions' | translate}}</th>
                 </tr>
                 </thead>
                 <tbody>
-                <tr *ngFor="let process of (processesRD$ | async)?.payload?.page">
+                <tr *ngFor="let process of (processesRD$ | async)?.payload?.page"
+                    [class.table-danger]="processBulkDeleteService.isToBeDeleted(process.processId)">
                     <td><a [routerLink]="['/processes/', process.processId]">{{process.processId}}</a></td>
                     <td><a [routerLink]="['/processes/', process.processId]">{{process.scriptName}}</a></td>
                     <td *ngVar="(getEpersonName(process.userId) | async) as ePersonName">{{ePersonName}}</td>
                     <td>{{process.startTime | date:dateFormat:'UTC'}}</td>
                     <td>{{process.endTime | date:dateFormat:'UTC'}}</td>
                     <td>{{process.processStatus}}</td>
+                    <td>
+                        <button class="btn btn-outline-danger"
+                                (click)="processBulkDeleteService.toggleDelete(process.processId)"><i
+                                class="fas fa-trash"></i></button>
+                    </td>
                 </tr>
                 </tbody>
             </table>
         </div>
     </ds-pagination>
 </div>
+
+<ng-template #deleteModal>
+
+    <div>
+
+        <div class="modal-header">
+            <div>
+                <h4>{{'process.overview.delete.header' | translate }}</h4>
+            </div>
+            <button type="button" class="close"
+                    (click)="closeModal()" aria-label="Close">
+                <span aria-hidden="true">×</span>
+            </button>
+        </div>
+
+        <div class="modal-body">
+            <div *ngIf="!(processBulkDeleteService.isProcessing$() |async)">{{'process.overview.delete.body' | translate: {count: processBulkDeleteService.getAmountOfSelectedProcesses()} }}</div>
+            <div *ngIf="processBulkDeleteService.isProcessing$() |async" class="alert alert-info">
+                <span class="spinner-border spinner-border-sm spinner-button" role="status" aria-hidden="true"></span>
+                <span> {{ 'process.overview.delete.processing' | translate: {count: processBulkDeleteService.getAmountOfSelectedProcesses()} }}</span>
+            </div>
+            <div class="mt-4">
+                <button class="btn btn-primary mr-2" [disabled]="processBulkDeleteService.isProcessing$() |async"
+                        (click)="closeModal()">{{'process.detail.delete.cancel' | translate}}</button>
+                <button id="delete-confirm" class="btn btn-danger"
+                        [disabled]="processBulkDeleteService.isProcessing$() |async"
+                        (click)="deleteSelected()">{{ 'process.overview.delete' | translate: {count: processBulkDeleteService.getAmountOfSelectedProcesses()}  }}
+                </button>
+            </div>
+        </div>
+    </div>
+
+
+</ng-template>
+

src/app/process-page/overview/process-overview.component.spec.ts

@@ -1,5 +1,5 @@
 import { ProcessOverviewComponent } from './process-overview.component';
-import { waitForAsync, ComponentFixture, TestBed } from '@angular/core/testing';
+import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
 import { VarDirective } from '../../shared/utils/var.directive';
 import { TranslateModule } from '@ngx-translate/core';
 import { RouterTestingModule } from '@angular/router/testing';
@@ -13,11 +13,11 @@ import { ProcessStatus } from '../processes/process-status.model';
 import { createSuccessfulRemoteDataObject$ } from '../../shared/remote-data.utils';
 import { createPaginatedList } from '../../shared/testing/utils.test';
 import { PaginationService } from '../../core/pagination/pagination.service';
-import { PaginationComponentOptions } from '../../shared/pagination/pagination-component-options.model';
-import { SortDirection, SortOptions } from '../../core/cache/models/sort-options.model';
 import { PaginationServiceStub } from '../../shared/testing/pagination-service.stub';
-import { FindListOptions } from '../../core/data/find-list-options.model';
 import { DatePipe } from '@angular/common';
+import { BehaviorSubject } from 'rxjs';
+import { ProcessBulkDeleteService } from './process-bulk-delete.service';
+import { NgbModal } from '@ng-bootstrap/ng-bootstrap';
 
 describe('ProcessOverviewComponent', () => {
   let component: ProcessOverviewComponent;
@@ -30,6 +30,9 @@ describe('ProcessOverviewComponent', () => {
   let processes: Process[];
   let ePerson: EPerson;
 
+  let processBulkDeleteService;
+  let modalService;
+
   const pipe = new DatePipe('en-US');
 
   function init() {
@@ -80,6 +83,29 @@ describe('ProcessOverviewComponent', () => {
     });
 
     paginationService = new PaginationServiceStub();
+
+    processBulkDeleteService = jasmine.createSpyObj('processBulkDeleteService', {
+      clearAllProcesses: {},
+      deleteSelectedProcesses: {},
+      isProcessing$: new BehaviorSubject(false),
+      hasSelected: true,
+      isToBeDeleted: true,
+      toggleDelete: {},
+      getAmountOfSelectedProcesses: 5
+
+    });
+
+    (processBulkDeleteService.isToBeDeleted as jasmine.Spy).and.callFake((id) => {
+      if (id === 2) {
+        return true;
+      } else {
+        return false;
+      }
+    });
+
+    modalService = jasmine.createSpyObj('modalService', {
+      open: {}
+    });
   }
 
   beforeEach(waitForAsync(() => {
@@ -90,7 +116,9 @@ describe('ProcessOverviewComponent', () => {
       providers: [
         { provide: ProcessDataService, useValue: processService },
         { provide: EPersonDataService, useValue: ePersonService },
-        { provide: PaginationService, useValue: paginationService }
+        { provide: PaginationService, useValue: paginationService },
+        { provide: ProcessBulkDeleteService, useValue: processBulkDeleteService },
+        { provide: NgbModal, useValue: modalService },
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).compileComponents();
@@ -154,5 +182,71 @@ describe('ProcessOverviewComponent', () => {
         expect(el.textContent).toContain(processes[index].processStatus);
       });
     });
+    it('should display a delete button in the seventh column', () => {
+      rowElements.forEach((rowElement, index) => {
+        const el = rowElement.query(By.css('td:nth-child(7)'));
+        expect(el.nativeElement.innerHTML).toContain('fas fa-trash');
+
+        el.query(By.css('button')).triggerEventHandler('click', null);
+        expect(processBulkDeleteService.toggleDelete).toHaveBeenCalledWith(processes[index].processId);
+      });
+    });
+    it('should indicate a row that has been selected for deletion', () => {
+      const deleteRow = fixture.debugElement.query(By.css('.table-danger'));
+      expect(deleteRow.nativeElement.innerHTML).toContain('/processes/' + processes[1].processId);
+    });
+  });
+
+  describe('overview buttons', () => {
+    it('should show a button to clear selected processes when there are selected processes', () => {
+      const clearButton = fixture.debugElement.query(By.css('.btn-primary'));
+      expect(clearButton.nativeElement.innerHTML).toContain('process.overview.delete.clear');
+
+      clearButton.triggerEventHandler('click', null);
+      expect(processBulkDeleteService.clearAllProcesses).toHaveBeenCalled();
+    });
+    it('should not show a button to clear selected processes when there are no selected processes', () => {
+      (processBulkDeleteService.hasSelected as jasmine.Spy).and.returnValue(false);
+      fixture.detectChanges();
+
+      const clearButton = fixture.debugElement.query(By.css('.btn-primary'));
+      expect(clearButton).toBeNull();
+    });
+    it('should show a button to open the delete modal when there are selected processes', () => {
+      spyOn(component, 'openDeleteModal');
+
+      const deleteButton = fixture.debugElement.query(By.css('.btn-danger'));
+      expect(deleteButton.nativeElement.innerHTML).toContain('process.overview.delete');
+
+      deleteButton.triggerEventHandler('click', null);
+      expect(component.openDeleteModal).toHaveBeenCalled();
+    });
+    it('should not show a button to clear selected processes when there are no selected processes', () => {
+      (processBulkDeleteService.hasSelected as jasmine.Spy).and.returnValue(false);
+      fixture.detectChanges();
+
+      const deleteButton = fixture.debugElement.query(By.css('.btn-danger'));
+      expect(deleteButton).toBeNull();
+    });
+  });
+
+  describe('openDeleteModal', () => {
+    it('should open the modal', () => {
+      component.openDeleteModal({});
+      expect(modalService.open).toHaveBeenCalledWith({});
+    });
+  });
+
+  describe('deleteSelected', () => {
+    it('should call the deleteSelectedProcesses method on the processBulkDeleteService and close the modal when processing is done', () => {
+      spyOn(component, 'closeModal');
+      spyOn(component, 'setProcesses');
+
+      component.deleteSelected();
+
+      expect(processBulkDeleteService.deleteSelectedProcesses).toHaveBeenCalled();
+      expect(component.closeModal).toHaveBeenCalled();
+      expect(component.setProcesses).toHaveBeenCalled();
+    });
   });
 });

src/app/process-page/overview/process-overview.component.ts

@@ -1,5 +1,5 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, OnDestroy, OnInit } from '@angular/core';
-import { Observable } from 'rxjs';
+import { Observable, Subscription } from 'rxjs';
 import { RemoteData } from '../../core/data/remote-data';
 import { PaginatedList } from '../../core/data/paginated-list.model';
 import { Process } from '../processes/process.model';
@@ -11,6 +11,9 @@ import { map, switchMap } from 'rxjs/operators';
 import { ProcessDataService } from '../../core/data/processes/process-data.service';
 import { PaginationService } from '../../core/pagination/pagination.service';
 import { FindListOptions } from '../../core/data/find-list-options.model';
+import { ProcessBulkDeleteService } from './process-bulk-delete.service';
+import { NgbModal } from '@ng-bootstrap/ng-bootstrap';
+import { hasValue } from '../../shared/empty.util';
 
 @Component({
   selector: 'ds-process-overview',
@@ -19,7 +22,7 @@ import { FindListOptions } from '../../core/data/find-list-options.model';
 /**
  * Component displaying a list of all processes in a paginated table
  */
-export class ProcessOverviewComponent implements OnInit {
+export class ProcessOverviewComponent implements OnInit, OnDestroy {
 
   /**
    * List of all processes
@@ -46,13 +49,22 @@ export class ProcessOverviewComponent implements OnInit {
    */
   dateFormat = 'yyyy-MM-dd HH:mm:ss';
 
+  processesToDelete: string[] = [];
+  private modalRef: any;
+
+  isProcessingSub: Subscription;
+
   constructor(protected processService: ProcessDataService,
               protected paginationService: PaginationService,
-              protected ePersonService: EPersonDataService) {
+              protected ePersonService: EPersonDataService,
+              protected modalService: NgbModal,
+              public processBulkDeleteService: ProcessBulkDeleteService,
+  ) {
   }
 
   ngOnInit(): void {
     this.setProcesses();
+    this.processBulkDeleteService.clearAllProcesses();
   }
 
   /**
@@ -60,7 +72,7 @@ export class ProcessOverviewComponent implements OnInit {
    */
   setProcesses() {
     this.processesRD$ = this.paginationService.getFindListOptions(this.pageConfig.id, this.config).pipe(
-      switchMap((config) => this.processService.findAll(config))
+      switchMap((config) => this.processService.findAll(config, true, false))
     );
   }
 
@@ -74,8 +86,46 @@ export class ProcessOverviewComponent implements OnInit {
       map((eperson: EPerson) => eperson.name)
     );
   }
+
   ngOnDestroy(): void {
     this.paginationService.clearPagination(this.pageConfig.id);
+    if (hasValue(this.isProcessingSub)) {
+      this.isProcessingSub.unsubscribe();
+    }
   }
 
+  /**
+   * Open a given modal.
+   * @param content   - the modal content.
+   */
+  openDeleteModal(content) {
+    this.modalRef = this.modalService.open(content);
+  }
+
+  /**
+   * Close the modal.
+   */
+  closeModal() {
+    this.modalRef.close();
+  }
+
+  /**
+   * Delete the previously selected processes using the processBulkDeleteService
+   * After the deletion has started, subscribe to the isProcessing$ and when it is set
+   * to false after the processing is done, close the modal and reinitialise the processes
+   */
+  deleteSelected() {
+    this.processBulkDeleteService.deleteSelectedProcesses();
+
+    if (hasValue(this.isProcessingSub)) {
+      this.isProcessingSub.unsubscribe();
+    }
+    this.isProcessingSub = this.processBulkDeleteService.isProcessing$()
+      .subscribe((isProcessing) => {
+      if (!isProcessing) {
+        this.closeModal();
+        this.setProcesses();
+      }
+    });
+  }
 }

src/assets/i18n/en.json5

@@ -2983,6 +2983,22 @@
 
   "process.detail.create" : "Create similar process",
 
+  "process.detail.actions": "Actions",
+  
+  "process.detail.delete.button": "Delete process",
+
+  "process.detail.delete.header": "Delete process",
+
+  "process.detail.delete.body": "Are you sure you want to delete the current process?",
+
+  "process.detail.delete.cancel": "Cancel",
+
+  "process.detail.delete.confirm": "Delete process",
+
+  "process.detail.delete.success": "The process was successfully deleted.",
+
+  "process.detail.delete.error": "Something went wrong when deleting the process",
+
 
 
   "process.overview.table.finish" : "Finish time (UTC)",
@@ -3003,6 +3019,25 @@
 
   "process.overview.new": "New",
 
+  "process.overview.table.actions": "Actions",
+
+  "process.overview.delete": "Delete {{count}} processes",
+
+  "process.overview.delete.clear": "Clear delete selection",
+
+  "process.overview.delete.processing": "{{count}} process(es) are being deleted. Please wait for the deletion to fully complete. Note that this can take a while.",
+
+  "process.overview.delete.body": "Are you sure you want to delete {{count}} process(es)?",
+
+  "process.overview.delete.header": "Delete processes",
+
+  "process.bulk.delete.error.head": "Error on deleteing process",
+
+  "process.bulk.delete.error.body": "The process with ID {{processId}} could not be deleted. The remaining processes will continue being deleted. ",
+
+  "process.bulk.delete.success": "{{count}} process(es) have been succesfully deleted",
+
+  
 
   "profile.breadcrumbs": "Update Profile",