[CST-4875] Created feedback route, created feedback form, created service & guard, utilzed when user is logged in, unit testing and lint check

src/app/app.module.ts

@@ -71,7 +71,7 @@ export function getMetaReducers(): MetaReducer<AppState>[] {
  */
 export const ValidateEmailErrorStateMatcher: DynamicErrorMessagesMatcher =
   (control: AbstractControl, model: any, hasFocus: boolean) => {
-    return (control.touched && !hasFocus) || (control.errors?.emailTaken && hasFocus);
+    return (control.touched && !hasFocus) || (control.errors ?.emailTaken && hasFocus);
   };
 
 const IMPORTS = [
@@ -114,10 +114,10 @@ const PROVIDERS = [
   // Check the authentication token when the app initializes
   {
     provide: APP_INITIALIZER,
-    useFactory: (store: Store<AppState>,) => {
+    useFactory: (store: Store<AppState>, ) => {
       return () => store.dispatch(new CheckAuthenticationTokenAction());
     },
-    deps: [ Store ],
+    deps: [Store],
     multi: true
   },
   // register AuthInterceptor as HttpInterceptor
@@ -146,7 +146,7 @@ const PROVIDERS = [
   },
   // insert the unique id of the user that is using the application utilizing cookies
   {
-   provide: APP_INITIALIZER,
+    provide: APP_INITIALIZER,
     useFactory: (cookieService: CookieService, uuidService: UUIDService) => {
       const correlationId = cookieService.get('CORRELATION-ID');
 
@@ -156,8 +156,8 @@ const PROVIDERS = [
       }
       return () => true;
     },
-   multi: true,
-   deps: [ CookieService, UUIDService ]
+    multi: true,
+    deps: [CookieService, UUIDService]
   },
   {
     provide: DYNAMIC_ERROR_MESSAGES_MATCHER,

src/app/core/core.module.ts

@@ -77,6 +77,7 @@ import { MetadataSchema } from './metadata/metadata-schema.model';
 import { MetadataService } from './metadata/metadata.service';
 import { RegistryService } from './registry/registry.service';
 import { RoleService } from './roles/role.service';
+import { FeedbackDataService } from './feedback/feedback-data.service';
 
 import { ApiService } from './services/api.service';
 import { ServerResponseService } from './services/server-response.service';
@@ -163,6 +164,7 @@ import { RootDataService } from './data/root-data.service';
 import { Root } from './data/root.model';
 import { SearchConfig } from './shared/search/search-filters/search-config.model';
 import { SequenceService } from './shared/sequence.service';
+import { FeedbackGuard } from './feedback/feedback.guard';
 
 /**
  * When not in production, endpoint responses can be mocked for testing purposes
@@ -285,6 +287,8 @@ const PROVIDERS = [
   VocabularyService,
   VocabularyTreeviewService,
   SequenceService,
+  FeedbackDataService,
+  // FeedbackGuard
 ];
 
 /**

src/app/core/data/feature-authorization/feature-id.ts

@@ -25,4 +25,5 @@ export enum FeatureID {
   CanEditVersion = 'canEditVersion',
   CanDeleteVersion = 'canDeleteVersion',
   CanCreateVersion = 'canCreateVersion',
+  CanSendFeedback = 'canSendFeedback',
 }

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

@@ -0,0 +1,94 @@
+import { Injectable } from '@angular/core';
+import { AuthService } from '../auth/auth.service';
+import { Observable } from 'rxjs';
+import { map, filter, distinctUntilChanged, tap, mergeMap } from 'rxjs/operators';
+import { isNotEmpty } from '../../shared/empty.util';
+import { DataService } from '../data/data.service';
+import { Feedback } from './models/feedback.model';
+import { FEEDBACK } from './models/feedback.resource-type';
+import { dataService } from 'src/app/core/cache/builders/build-decorators';
+import { RequestService } from 'src/app/core/data/request.service';
+import { RemoteDataBuildService } from 'src/app/core/cache/builders/remote-data-build.service';
+import { Store } from '@ngrx/store';
+import { ObjectCacheService } from 'src/app/core/cache/object-cache.service';
+import { HALEndpointService } from 'src/app/core/shared/hal-endpoint.service';
+import { NotificationsService } from 'src/app/shared/notifications/notifications.service';
+import { HttpClient } from '@angular/common/http';
+import { DSOChangeAnalyzer } from 'src/app/core/data/dso-change-analyzer.service';
+import { getFirstSucceededRemoteData, getRemoteDataPayload, getFirstCompletedRemoteData } from 'src/app/core/shared/operators';
+import { HttpOptions } from '../dspace-rest/dspace-rest.service';
+import { PostRequest } from 'src/app/core/data/request.models';
+
+/**
+ * Service for checking and managing the status of the current end user agreement
+ */
+@Injectable()
+@dataService(FEEDBACK)
+export class FeedbackDataService extends DataService<Feedback> {
+    protected linkPath = 'feedbacks';
+
+    constructor(
+        protected requestService: RequestService,
+        protected rdbService: RemoteDataBuildService,
+        protected store: Store<any>,
+        protected objectCache: ObjectCacheService,
+        protected halService: HALEndpointService,
+        protected notificationsService: NotificationsService,
+        protected http: HttpClient,
+        protected comparator: DSOChangeAnalyzer<Feedback>,
+        protected authService: AuthService, ) {
+        super();
+    }
+
+    /**
+     * Get feedback from its id
+     * @param uuid string the id of the feedback
+     */
+    getFeedback(uuid: string): Observable<Feedback> {
+        return this.findById(uuid).pipe(
+            getFirstSucceededRemoteData(),
+            getRemoteDataPayload(),
+        );
+    }
+
+
+    /**
+     * Create feedback
+     * @param uuid string the id of the feedback
+     * @return Observable<Feedback>
+     *     server response
+     */
+    createFeedback(payoload: Feedback): Observable<Feedback> {
+        return this.postToEndpoint(this.linkPath, payoload);
+    }
+
+    /**
+     * Make a new post request
+     *
+     * @param linkName
+     *    The endpoint link name
+     * @param body
+     *    The post request body
+     * @param options
+     *    The [HttpOptions] object
+     * @return Observable<Feedback>
+     *     server response
+     */
+    public postToEndpoint(linkName: string, body: any, options?: HttpOptions): Observable<Feedback> {
+        const requestId = this.requestService.generateRequestId();
+        const href$ = this.halService.getEndpoint(linkName).pipe(
+            filter((href: string) => isNotEmpty(href)),
+            distinctUntilChanged(),
+            map((endpointURL: string) => {
+                const request = new PostRequest(requestId, endpointURL, body, options);
+                return this.requestService.send(request);
+            }),
+        ).subscribe();
+
+        return this.rdbService.buildFromRequestUUID<Feedback>(requestId).pipe(
+            getFirstCompletedRemoteData(),
+            getRemoteDataPayload(),
+        );
+    }
+
+}

src/app/core/feedback/feedback.guard.ts

@@ -0,0 +1,27 @@
+import { ActivatedRouteSnapshot, CanActivate, Router, RouterStateSnapshot, UrlTree } from '@angular/router';
+import { Observable } from 'rxjs';
+import { AuthorizationDataService } from '../data/feature-authorization/authorization-data.service';
+import { FeatureID } from 'src/app/core/data/feature-authorization/feature-id';
+import { Injectable } from '@angular/core';
+
+/**
+ * An abstract guard for redirecting users to the user agreement page if a certain condition is met
+ * That condition is defined by abstract method hasAccepted
+ */
+@Injectable()
+export abstract class FeedbackGuard implements CanActivate {
+
+    constructor(protected router: Router, private authorizationService: AuthorizationDataService) {
+    }
+
+    /**
+     * True when the user agreement has been accepted
+     * The user will be redirected to the End User Agreement page if they haven't accepted it before
+     * A redirect URL will be provided with the navigation so the component can redirect the user back to the blocked route
+     * when they're finished accepting the agreement
+     */
+    canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean | UrlTree> {
+        return this.authorizationService.isAuthorized(FeatureID.CanSendFeedback);
+    }
+
+}

src/app/core/feedback/models/feedback.model.ts

@@ -0,0 +1,37 @@
+import { autoserialize, inheritSerialization } from 'cerialize';
+import { Observable } from 'rxjs';
+import { link, typedObject } from '../../cache/builders/build-decorators';
+import { PaginatedList } from '../../data/paginated-list.model';
+import { RemoteData } from '../../data/remote-data';
+
+import { DSpaceObject } from '../../shared/dspace-object.model';
+import { HALLink } from '../../shared/hal-link.model';
+import { FEEDBACK } from './feedback.resource-type';
+
+@typedObject
+@inheritSerialization(DSpaceObject)
+export class Feedback extends DSpaceObject {
+  static type = FEEDBACK;
+
+  /**
+   * The email address
+   */
+  @autoserialize
+  public email: string;
+
+  /**
+   * A ring representing message the user inserted
+   */
+  @autoserialize
+  public message: string;
+  /**
+   * A string representing the page from which the user came from
+   */
+  @autoserialize
+  public page: string;
+
+  _links: {
+    self: HALLink;
+  };
+
+}

src/app/core/feedback/models/feedback.resource-type.ts

@@ -0,0 +1,10 @@
+import { ResourceType } from '../../shared/resource-type';
+
+/**
+ * The resource type for Feedback
+ *
+ * Needs to be in a separate file to prevent circular
+ * dependencies in webpack.
+ */
+
+export const FEEDBACK = new ResourceType('feedback');

src/app/footer/footer.component.html

@@ -40,9 +40,8 @@
           <h5 class="text-uppercase">Footer Content</h5>
 
           <p>
-            Lorem ipsum dolor sit amet consectetur, adipisicing elit. Iste atque ea quis
-            molestias. Fugiat pariatur maxime quis culpa corporis vitae repudiandae aliquam
-            voluptatem veniam, est atque cumque eum delectus sint!
+            Lorem ipsum dolor sit amet consectetur, adipisicing elit. Iste atque ea quis molestias. Fugiat pariatur maxime quis culpa
+            corporis vitae repudiandae aliquam voluptatem veniam, est atque cumque eum delectus sint!
           </p>
         </div>
         <!--Grid column-->
@@ -56,27 +55,25 @@
   <div class="bottom-footer p-1 d-flex justify-content-center align-items-center text-white">
     <div class="content-container">
       <p class="m-0">
-        <a class="text-white"
-           href="http://www.dspace.org/">{{ 'footer.link.dspace' | translate}}</a>
+        <a class="text-white" href="http://www.dspace.org/">{{ 'footer.link.dspace' | translate}}</a>
         {{ 'footer.copyright' | translate:{year: dateObj | date:'y'} }}
-        <a class="text-white"
-           href="https://www.lyrasis.org/">{{ 'footer.link.lyrasis' | translate}}</a>
+        <a class="text-white" href="https://www.lyrasis.org/">{{ 'footer.link.lyrasis' | translate}}</a>
       </p>
       <ul class="footer-info list-unstyled small d-flex justify-content-center mb-0">
         <li>
-          <a class="text-white" href="#"
-             (click)="showCookieSettings()">{{ 'footer.link.cookies' | translate}}</a>
+          <a class="text-white" href="#" (click)="showCookieSettings()">{{ 'footer.link.cookies' | translate}}</a>
         </li>
         <li>
-          <a class="text-white"
-             routerLink="info/privacy">{{ 'footer.link.privacy-policy' | translate}}</a>
+          <a class="text-white" routerLink="info/privacy">{{ 'footer.link.privacy-policy' | translate}}</a>
         </li>
         <li>
-          <a class="text-white"
-             routerLink="info/end-user-agreement">{{ 'footer.link.end-user-agreement' | translate}}</a>
+          <a class="text-white" routerLink="info/end-user-agreement">{{ 'footer.link.end-user-agreement' | translate}}</a>
+        </li>
+        <li>
+          <a class="text-white" routerLink="info/feedback">{{ 'footer.link.feedback' | translate}}</a>
         </li>
       </ul>
     </div>
   </div>
   <!-- Copyright -->
-</footer>
+</footer>

src/app/info/feedback/feedback-content/feedback-content.component.html

@@ -0,0 +1,40 @@
+<div class="row row-offcanvas row-offcanvas-right">
+  <div class="col-xs-12 col-sm-12 col-md-9 main-content">
+    <form class="primary" [formGroup]="feedbackForm" (ngSubmit)="createFeedback()">
+      <h2>{{ 'info.feedback.head' | translate }}</h2>
+      <p>{{ 'info.feedback.info' | translate }}</p>
+      <fieldset class="col p-0">
+        <div class="row">
+          <div class="control-group col-sm-12">
+            <label class="control-label" for="email">Your Email:&nbsp;</label>
+            <input id="email" class="form-control" name="email" type="text" value="" formControlName="email" autofocus="autofocus" title="{{ 'info.feedback.email_help' | translate }}">
+            <p class="help-block">{{ 'info.feedback.email_help' | translate }}</p>
+          </div>
+        </div>
+
+        <ng-container *ngIf="feedbackForm.controls.email.invalid && (feedbackForm.controls.email.dirty || feedbackForm.controls.email.touched)"
+          class="alert">
+          <ds-error *ngIf="feedbackForm.controls.email.errors?.required" message="{{'info.feedback.error.email.required' | translate}}"></ds-error>
+          <ds-error *ngIf="feedbackForm.controls.email.errors?.pattern" message="{{'info.feedback.error.email.pattern' | translate}}"></ds-error>
+        </ng-container>
+        <div class="row">
+          <div class="control-group col-sm-12">
+            <label class="control-label" for="comments">{{ 'info.feedback.comments' | translate }}:&nbsp;</label>
+            <textarea id="comments" formControlName="message" class="form-control" name="message" cols="20" rows="5"> </textarea>
+          </div>
+        </div>
+        <ng-container *ngIf="feedbackForm.controls.message.invalid && (feedbackForm.controls.message.dirty || feedbackForm.controls.message.touched)"
+          class="alert">
+          <ds-error *ngIf="feedbackForm.controls.message.errors?.required" message="{{'info.feedback.error.message.required' | translate}}"></ds-error>
+        </ng-container>
+        <input class="form-control" formControlName="page" name="page" type="hidden" value="{{routeService.getPreviousUrl() | async}}"
+        />
+        <div class="row">
+          <div class="control-group col-sm-12">
+            <button [disabled]="!feedbackForm.valid" class="btn btn-primary" name="submit" type="submit">{{ 'info.feedback.send' | translate }}</button>
+          </div>
+        </div>
+      </fieldset>
+    </form>
+  </div>
+</div>

src/app/info/feedback/feedback-content/feedback-content.component.spec.ts

@@ -0,0 +1,90 @@
+import { EPersonMock } from './../../../shared/testing/eperson.mock';
+import { FeedbackDataService } from './../../../core/feedback/feedback-data.service';
+import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
+import { FeedbackContentComponent } from './feedback-content.component';
+import { TranslateModule } from '@ngx-translate/core';
+import { NO_ERRORS_SCHEMA, DebugElement } from '@angular/core';
+import { By } from '@angular/platform-browser';
+import { RouteService } from 'src/app/core/services/route.service';
+import { routeServiceStub } from 'src/app/shared/testing/route-service.stub';
+import { FormBuilder } from '@angular/forms';
+import { NotificationsService } from 'src/app/shared/notifications/notifications.service';
+import { NotificationsServiceStub } from 'src/app/shared/testing/notifications-service.stub';
+import { AuthService } from 'src/app/core/auth/auth.service';
+import { AuthServiceStub } from 'src/app/shared/testing/auth-service.stub';
+import { of } from 'rxjs/internal/observable/of';
+import { Feedback } from '../../../core/feedback/models/feedback.model';
+
+
+describe('FeedbackContentComponent', () => {
+  let component: FeedbackContentComponent;
+  let fixture: ComponentFixture<FeedbackContentComponent>;
+  let de: DebugElement;
+  const notificationService = new NotificationsServiceStub();
+  const feedbackDataServiceStub = jasmine.createSpyObj('feedbackDataService', {
+    createFeedback: of(new Feedback())
+  });
+  const authService: AuthServiceStub = Object.assign(new AuthServiceStub(), {
+    getAuthenticatedUserFromStore: () => {
+      return of(EPersonMock);
+    }
+  });
+
+  beforeEach(waitForAsync(() => {
+    TestBed.configureTestingModule({
+      imports: [TranslateModule.forRoot()],
+      declarations: [FeedbackContentComponent],
+      providers: [
+        { provide: RouteService, useValue: routeServiceStub },
+        { provide: FormBuilder, useValue: new FormBuilder() },
+        { provide: NotificationsService, useValue: notificationService },
+        { provide: FeedbackDataService, useValue: feedbackDataServiceStub },
+        { provide: AuthService, useValue: authService },
+      ],
+      schemas: [NO_ERRORS_SCHEMA]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(FeedbackContentComponent);
+    component = fixture.componentInstance;
+    de = fixture.debugElement;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+
+  it('should have page value', () => {
+    expect(de.query(By.css('input[name=page]')).nativeElement.value).toEqual('/home');
+  });
+
+  it('should have email if ePerson', () => {
+    expect(component.feedbackForm.controls.email.value).toEqual('test@test.com');
+  });
+
+  it('should have disabled button', () => {
+    expect(de.query(By.css('button')).nativeElement.disabled).toBeTrue();
+  });
+
+  describe('when message is inserted', () => {
+
+    beforeEach(() => {
+      component.feedbackForm.patchValue({ message: 'new feedback' });
+      fixture.detectChanges();
+    });
+
+    it('should not have disabled button', () => {
+      expect(de.query(By.css('button')).nativeElement.disabled).toBeFalse();
+    });
+
+    it('on submit should call createFeedback of feedbackDataServiceStub service', () => {
+      component.createFeedback();
+      fixture.detectChanges();
+      expect(feedbackDataServiceStub.createFeedback).toHaveBeenCalled();
+    });
+  });
+
+
+});

src/app/info/feedback/feedback-content/feedback-content.component.ts

@@ -0,0 +1,52 @@
+import { FeedbackDataService } from './../../../core/feedback/feedback-data.service';
+import { Component, OnInit } from '@angular/core';
+import { RouteService } from 'src/app/core/services/route.service';
+import { FormBuilder, Validators } from '@angular/forms';
+import { Feedback } from '../../../core/feedback/models/feedback.model';
+import { NotificationsService } from 'src/app/shared/notifications/notifications.service';
+import { TranslateService } from '@ngx-translate/core';
+import { EPersonDataService } from 'src/app/core/eperson/eperson-data.service';
+import { AuthService } from 'src/app/core/auth/auth.service';
+import { EPerson } from '../../../core/eperson/models/eperson.model';
+
+@Component({
+  selector: 'ds-feedback-content',
+  templateUrl: './feedback-content.component.html',
+  styleUrls: ['./feedback-content.component.scss']
+})
+/**
+ * Component displaying the contents of the Feedback Statement
+ */
+export class FeedbackContentComponent implements OnInit {
+
+  feedbackForm = this.fb.group({
+    email: ['', [Validators.required, Validators.pattern('^[a-z0-9._%+-]+@[a-z0-9.-]+\\.[a-z]{2,4}$')]],
+    message: ['', Validators.required],
+    page: [''],
+  });
+
+  constructor(
+    public routeService: RouteService,
+    private fb: FormBuilder,
+    protected notificationsService: NotificationsService,
+    protected translate: TranslateService,
+    private feedbackDataService: FeedbackDataService,
+    private authService: AuthService) {
+  }
+
+  ngOnInit() {
+    this.authService.getAuthenticatedUserFromStore().subscribe((user: EPerson) => {
+      if (!!user) {
+        this.feedbackForm.patchValue({ email: user.email });
+      }
+    });
+  }
+
+  createFeedback() {
+    this.feedbackDataService.createFeedback(this.feedbackForm.value).subscribe((response: Feedback) => {
+      this.notificationsService.success(this.translate.instant('info.feedback.create.success'));
+      this.feedbackForm.reset();
+    });
+  }
+
+}

src/app/info/feedback/feedback.component.html

@@ -0,0 +1,3 @@
+<div class="container">
+  <ds-feedback-content></ds-feedback-content>
+</div>

src/app/info/feedback/feedback.component.spec.ts

@@ -0,0 +1,27 @@
+import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
+import { FeedbackComponent } from './feedback.component';
+import { TranslateModule } from '@ngx-translate/core';
+import { NO_ERRORS_SCHEMA } from '@angular/core';
+
+describe('FeedbackComponent', () => {
+  let component: FeedbackComponent;
+  let fixture: ComponentFixture<FeedbackComponent>;
+
+  beforeEach(waitForAsync(() => {
+    TestBed.configureTestingModule({
+      imports: [TranslateModule.forRoot()],
+      declarations: [FeedbackComponent],
+      schemas: [NO_ERRORS_SCHEMA]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(FeedbackComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/info/feedback/feedback.component.ts

@@ -0,0 +1,12 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'ds-feedback',
+  templateUrl: './feedback.component.html',
+  styleUrls: ['./feedback.component.scss']
+})
+/**
+ * Component displaying the Feedback Statement
+ */
+export class FeedbackComponent {
+}

src/app/info/feedback/themed-feedback.component.ts

@@ -0,0 +1,26 @@
+import { Component } from '@angular/core';
+import { ThemedComponent } from '../../shared/theme-support/themed.component';
+import { FeedbackComponent } from './feedback.component';
+
+/**
+ * Themed wrapper for FeedbackComponent
+ */
+@Component({
+  selector: 'ds-themed-feedback',
+  styleUrls: [],
+  templateUrl: '../../shared/theme-support/themed.component.html',
+})
+export class ThemedFeedbackComponent extends ThemedComponent<FeedbackComponent> {
+  protected getComponentName(): string {
+    return 'FeedbackComponent';
+  }
+
+  protected importThemedComponent(themeName: string): Promise<any> {
+    return import(`../../../themes/${themeName}/app/info/feedback/feedback.component`);
+  }
+
+  protected importUnthemedComponent(): Promise<any> {
+    return import(`./feedback.component`);
+  }
+
+}

src/app/info/info-routing-paths.ts

@@ -2,6 +2,7 @@ import { getInfoModulePath } from '../app-routing-paths';
 
 export const END_USER_AGREEMENT_PATH = 'end-user-agreement';
 export const PRIVACY_PATH = 'privacy';
+export const FEEDBACK_PATH = 'feedback';
 
 export function getEndUserAgreementPath() {
     return getSubPath(END_USER_AGREEMENT_PATH);
@@ -11,6 +12,10 @@ export function getPrivacyPath() {
     return getSubPath(PRIVACY_PATH);
 }
 
+export function getFeedbackPath() {
+    return getSubPath(FEEDBACK_PATH);
+}
+
 function getSubPath(path: string) {
     return `${getInfoModulePath()}/${path}`;
 }

src/app/info/info-routing.module.ts

@@ -1,9 +1,12 @@
 import { NgModule } from '@angular/core';
 import { RouterModule } from '@angular/router';
 import { I18nBreadcrumbResolver } from '../core/breadcrumbs/i18n-breadcrumb.resolver';
-import { PRIVACY_PATH, END_USER_AGREEMENT_PATH } from './info-routing-paths';
+import { PRIVACY_PATH, END_USER_AGREEMENT_PATH, FEEDBACK_PATH } from './info-routing-paths';
 import { ThemedEndUserAgreementComponent } from './end-user-agreement/themed-end-user-agreement.component';
 import { ThemedPrivacyComponent } from './privacy/themed-privacy.component';
+import { ThemedFeedbackComponent } from './feedback/themed-feedback.component';
+import { FeedbackGuard } from '../core/feedback/feedback.guard';
+
 
 @NgModule({
   imports: [
@@ -22,6 +25,15 @@ import { ThemedPrivacyComponent } from './privacy/themed-privacy.component';
         resolve: { breadcrumb: I18nBreadcrumbResolver },
         data: { title: 'info.privacy.title', breadcrumbKey: 'info.privacy' }
       }
+    ]),
+    RouterModule.forChild([
+      {
+        path: FEEDBACK_PATH,
+        component: ThemedFeedbackComponent,
+        resolve: { breadcrumb: I18nBreadcrumbResolver },
+        data: { title: 'info.feedback.title', breadcrumbKey: 'info.feedback' },
+        canActivate: [FeedbackGuard]
+      }
     ])
   ]
 })

src/app/info/info.module.ts

@@ -8,6 +8,11 @@ import { PrivacyComponent } from './privacy/privacy.component';
 import { PrivacyContentComponent } from './privacy/privacy-content/privacy-content.component';
 import { ThemedEndUserAgreementComponent } from './end-user-agreement/themed-end-user-agreement.component';
 import { ThemedPrivacyComponent } from './privacy/themed-privacy.component';
+import { FeedbackComponent } from './feedback/feedback.component';
+import { FeedbackContentComponent } from './feedback/feedback-content/feedback-content.component';
+import { ThemedFeedbackComponent } from './feedback/themed-feedback.component';
+import { ReactiveFormsModule } from '@angular/forms';
+
 
 const DECLARATIONS = [
   EndUserAgreementComponent,
@@ -15,14 +20,17 @@ const DECLARATIONS = [
   EndUserAgreementContentComponent,
   PrivacyComponent,
   PrivacyContentComponent,
-  ThemedPrivacyComponent
+  ThemedPrivacyComponent,
+  FeedbackComponent,
+  FeedbackContentComponent,
+  ThemedFeedbackComponent
 ];
 
 @NgModule({
   imports: [
     CommonModule,
     SharedModule,
-    InfoRoutingModule
+    InfoRoutingModule,
   ],
   declarations: [
     ...DECLARATIONS

src/app/shared/testing/route-service.stub.ts

@@ -29,7 +29,10 @@ export const routeServiceStub: any = {
     return observableOf({});
   },
   getHistory: () => {
-    return observableOf(['/home','/collection/123','/home']);
+    return observableOf(['/home', '/collection/123', '/home']);
+  },
+  getPreviousUrl: () => {
+    return observableOf('/home');
   }
   /* tslint:enable:no-empty */
 };

src/assets/i18n/en.json5

@@ -1370,6 +1370,8 @@
 
   "footer.link.end-user-agreement":"End User Agreement",
 
+  "footer.link.feedback":"Send Feedback",
+
 
 
   "forgot-email.form.header": "Forgot Password",
@@ -1568,6 +1570,27 @@
 
   "info.privacy.title": "Privacy Statement",
 
+  "info.feedback.breadcrumbs": "Feedback",
+
+  "info.feedback.head": "Feedback",
+
+  "info.feedback.title": "Feedback",
+
+  "info.feedback.info": "Thanks for sharing your feedback about the DSpace system. Your comments are appreciated!",
+
+  "info.feedback.email_help": "This address will be used to follow up on your feedback.",
+
+  "info.feedback.send": "Send Feedback",
+
+  "info.feedback.comments": "Comments",
+  
+  "info.feedback.create.success" : "Feedback Sent Successfully!",
+
+  "info.feedback.error.email.required" : "Email is required",
+  
+  "info.feedback.error.email.pattern" : "Valid Email is required",
+
+  "info.feedback.error.message.required" : "Comment is required",
 
 
   "item.alerts.private": "This item is private",

src/themes/custom/app/info/feedback/feedback.component.ts

@@ -0,0 +1,15 @@
+import { Component } from '@angular/core';
+import { FeedbackComponent as BaseComponent } from '../../../../../app/info/feedback/feedback.component';
+
+@Component({
+  selector: 'ds-feedback',
+  // styleUrls: ['./feedback.component.scss'],
+  styleUrls: ['../../../../../app/info/feedback/feedback.component.scss'],
+  // templateUrl: './feedback.component.html'
+  templateUrl: '../../../../../app/info/feedback/feedback.component.html'
+})
+
+/**
+ * Component displaying the feedback Statement
+ */
+export class FeedbackComponent extends BaseComponent { }

src/themes/custom/theme.module.ts

@@ -79,7 +79,8 @@ import { HeaderComponent } from './app/header/header.component';
 import { FooterComponent } from './app/footer/footer.component';
 import { BreadcrumbsComponent } from './app/breadcrumbs/breadcrumbs.component';
 import { HeaderNavbarWrapperComponent } from './app/header-nav-wrapper/header-navbar-wrapper.component';
-import { FileSectionComponent} from './app/item-page/simple/field-components/file-section/file-section.component';
+import { FileSectionComponent } from './app/item-page/simple/field-components/file-section/file-section.component';
+import { FeedbackComponent } from './app/info/feedback/feedback.component';
 
 const DECLARATIONS = [
   FileSectionComponent,
@@ -121,7 +122,8 @@ const DECLARATIONS = [
   HeaderComponent,
   NavbarComponent,
   HeaderNavbarWrapperComponent,
-  BreadcrumbsComponent
+  BreadcrumbsComponent,
+  FeedbackComponent
 ];
 
 @NgModule({
@@ -172,12 +174,12 @@ const DECLARATIONS = [
   declarations: DECLARATIONS
 })
 
-  /**
-   * This module serves as an index for all the components in this theme.
-   * It should import all other modules, so the compiler knows where to find any components referenced
-   * from a component in this theme
-   * It is purposefully not exported, it should never be imported anywhere else, its only purpose is
-   * to give lazily loaded components a context in which they can be compiled successfully
-   */
+/**
+ * This module serves as an index for all the components in this theme.
+ * It should import all other modules, so the compiler knows where to find any components referenced
+ * from a component in this theme
+ * It is purposefully not exported, it should never be imported anywhere else, its only purpose is
+ * to give lazily loaded components a context in which they can be compiled successfully
+ */
 class ThemeModule {
 }