[CST-5065] Admin is unable to reset other user password (function implementation)

src/app/access-control/epeople-registry/eperson-form/eperson-form.component.html

@@ -19,7 +19,7 @@
             class="btn btn-outline-secondary"><i class="fas fa-arrow-left"></i> {{messagePrefix + '.return' | translate}}</button>
   </div>
   <div between class="btn-group">
-    <button class="btn btn-primary" [disabled]="!(canReset$ | async)">
+    <button class="btn btn-primary" [disabled]="!(canReset$ | async)" (click)="resetPassword()">
       <i class="fa fa-key"></i> {{'admin.access-control.epeople.actions.reset' | translate}}
     </button>
   </div>

src/app/access-control/epeople-registry/eperson-form/eperson-form.component.spec.ts

@@ -28,8 +28,9 @@ import { createPaginatedList } from '../../../shared/testing/utils.test';
 import { RequestService } from '../../../core/data/request.service';
 import { PaginationService } from '../../../core/pagination/pagination.service';
 import { PaginationServiceStub } from '../../../shared/testing/pagination-service.stub';
-import { FormArray, FormControl, FormGroup,Validators, NG_VALIDATORS, NG_ASYNC_VALIDATORS } from '@angular/forms';
+import { FormControl, FormGroup, Validators } from '@angular/forms';
 import { ValidateEmailNotTaken } from './validators/email-taken.validator';
+import { EpersonRegistrationService } from '../../../core/data/eperson-registration.service';
 
 
 describe('EPersonFormComponent', () => {
@@ -42,6 +43,7 @@ describe('EPersonFormComponent', () => {
   let authService: AuthServiceStub;
   let authorizationService: AuthorizationDataService;
   let groupsDataService: GroupDataService;
+  let epersonRegistrationService: EpersonRegistrationService;
 
   let paginationService;
 
@@ -205,6 +207,10 @@ describe('EPersonFormComponent', () => {
     }).compileComponents();
   }));
 
+  epersonRegistrationService = jasmine.createSpyObj('epersonRegistrationService', {
+    registerEmail: createSuccessfulRemoteDataObject$(null)
+  });
+
   beforeEach(() => {
     fixture = TestBed.createComponent(EPersonFormComponent);
     component = fixture.componentInstance;
@@ -514,4 +520,24 @@ describe('EPersonFormComponent', () => {
       expect(component.epersonService.deleteEPerson).toHaveBeenCalledWith(eperson);
     });
   });
+
+
+  describe('Reset Password', () => {
+    let ePersonId;
+    let ePersonEmail;
+
+    beforeEach(() => {
+      ePersonId = 'testEPersonId';
+      ePersonEmail = 'person.email@4science.it';
+      component.epersonInitial = Object.assign(new EPerson(), {
+        id: ePersonId,
+        email: ePersonEmail
+      });
+      component.resetPassword();
+    });
+
+    it('should call epersonRegistrationService.registerEmail', () => {
+      expect(epersonRegistrationService.registerEmail).toHaveBeenCalledWith(ePersonEmail);
+    });
+  });
 });

src/app/access-control/epeople-registry/eperson-form/eperson-form.component.ts

@@ -34,6 +34,8 @@ import { NoContent } from '../../../core/shared/NoContent.model';
 import { PaginationService } from '../../../core/pagination/pagination.service';
 import { followLink } from '../../../shared/utils/follow-link-config.model';
 import { ValidateEmailNotTaken } from './validators/email-taken.validator';
+import { Registration } from '../../../core/shared/registration.model';
+import { EpersonRegistrationService } from '../../../core/data/eperson-registration.service';
 
 @Component({
   selector: 'ds-eperson-form',
@@ -167,7 +169,8 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
    */
   emailValueChangeSubscribe: Subscription;
 
-  constructor(protected changeDetectorRef: ChangeDetectorRef,
+  constructor(
+    protected changeDetectorRef: ChangeDetectorRef,
     public epersonService: EPersonDataService,
     public groupsDataService: GroupDataService,
     private formBuilderService: FormBuilderService,
@@ -177,7 +180,9 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
     private authorizationService: AuthorizationDataService,
     private modalService: NgbModal,
     private paginationService: PaginationService,
-              public requestService: RequestService) {
+    public requestService: RequestService,
+    private epersonRegistrationService: EpersonRegistrationService,
+  ) {
     this.subs.push(this.epersonService.getActiveEPerson().subscribe((eperson: EPerson) => {
       this.epersonInitial = eperson;
       if (hasValue(eperson)) {
@@ -484,6 +489,26 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
     this.isImpersonated = false;
   }
 
+  /**
+   * Sends an email to current eperson address with the information
+   * to reset password
+   */
+  resetPassword() {
+    if (hasValue(this.epersonInitial.email)) {
+      this.epersonRegistrationService.registerEmail(this.epersonInitial.email).pipe(getFirstCompletedRemoteData())
+        .subscribe((response: RemoteData<Registration>) => {
+            if (response.hasSucceeded) {
+              this.notificationsService.success(this.translateService.get('admin.access-control.epeople.actions.reset'),
+                this.translateService.get('forgot-email.form.success.content', {email: this.epersonInitial.email}));
+            } else {
+              this.notificationsService.error(this.translateService.get('forgot-email.form.error.head'),
+                this.translateService.get('forgot-email.form.error.content', {email: this.epersonInitial.email}));
+            }
+          }
+        );
+    }
+  }
+
   /**
    * Cancel the current edit when component is destroyed & unsub all subscriptions
    */