feat(employees): Implemented loader inside employees-list when pagination/filtering. (TV-597)

Squashed commit of the following:

commit 9e41609f515909fac8618f8cae9ce29409e62748
Author: Erik Tiekstra <erik.tiekstra@arbetsformedlingen.se>
Date:   Thu Sep 16 07:36:21 2021 +0200

    Removed old classes

commit 7be9f46dcd08be3cdec5e92bb237ad8fa6d1c373
Author: Erik Tiekstra <erik.tiekstra@arbetsformedlingen.se>
Date:   Wed Sep 15 14:23:53 2021 +0200

    Added new loader component and implmented loader inside employees-list

apps/mina-sidor-fa/src/app/shared/components/layout/layout.component.html

@@ -19,9 +19,4 @@
   <msfa-footer class="msfa__footer"></msfa-footer>
 </div>
 
-<div
-  *ngIf="(userLoading$ | async) || (rolesLoading$ | async)"
-  class="msfa__loading-wrapper msfa__loading-wrapper--full-screen"
->
-  <digi-icon-spinner class="msfa__spinner"></digi-icon-spinner>
-</div>
+<msfa-loader *ngIf="(userLoading$ | async) || (rolesLoading$ | async)" [fullScreen]="true"></msfa-loader>

apps/mina-sidor-fa/src/app/shared/components/layout/layout.module.ts

@@ -4,6 +4,7 @@ import { HttpClient } from '@angular/common/http';
 import { CUSTOM_ELEMENTS_SCHEMA, NgModule } from '@angular/core';
 import { RouterModule } from '@angular/router';
 import { MarkdownModule } from 'ngx-markdown';
+import { LoaderModule } from '../loader/loader.module';
 import { FooterModule } from './components/footer/footer.module';
 import { NavigationModule } from './components/navigation/navigation.module';
 import { SidebarModule } from './components/sidebar/sidebar.module';
@@ -22,6 +23,7 @@ import { LayoutComponent } from './layout.component';
     FooterModule,
     MarkdownModule.forRoot({ loader: HttpClient }),
     DigiNgNavigationBreadcrumbsModule,
+    LoaderModule,
   ],
   exports: [LayoutComponent],
 })

apps/mina-sidor-fa/src/app/shared/components/loader/loader.component.html

@@ -0,0 +1,3 @@
+<div [ngClass]="classes">
+  <digi-icon-spinner class="loader__spinner"></digi-icon-spinner>
+</div>

apps/mina-sidor-fa/src/app/shared/components/loader/loader.component.scss

@@ -0,0 +1,22 @@
+@import 'mixins/backdrop';
+
+@keyframes spinning {
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+.loader {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+
+  &--full-screen {
+    @include msfa__backdrop(1000);
+  }
+
+  &__spinner {
+    display: inline-flex;
+    animation: spinning 1s linear infinite;
+  }
+}

apps/mina-sidor-fa/src/app/shared/components/loader/loader.component.spec.ts

@@ -0,0 +1,26 @@
+/* tslint:disable:no-unused-variable */
+import { CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { LoaderComponent } from './loader.component';
+
+describe('LoaderComponent', () => {
+  let component: LoaderComponent;
+  let fixture: ComponentFixture<LoaderComponent>;
+
+  beforeEach(async(() => {
+    void TestBed.configureTestingModule({
+      schemas: [CUSTOM_ELEMENTS_SCHEMA],
+      declarations: [LoaderComponent],
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(LoaderComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

apps/mina-sidor-fa/src/app/shared/components/loader/loader.component.ts

@@ -0,0 +1,19 @@
+import { ChangeDetectionStrategy, Component, Input } from '@angular/core';
+
+@Component({
+  selector: 'msfa-loader',
+  templateUrl: './loader.component.html',
+  styleUrls: ['./loader.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class LoaderComponent {
+  private readonly _defaultClass = 'loader';
+  @Input() fullScreen = false;
+
+  get classes(): string {
+    if (this.fullScreen) {
+      return `${this._defaultClass} ${this._defaultClass}--full-screen`;
+    }
+    return this._defaultClass;
+  }
+}

apps/mina-sidor-fa/src/app/shared/components/loader/loader.module.ts

@@ -0,0 +1,12 @@
+import { DigiNgDialogModule } from '@af/digi-ng/_dialog/dialog';
+import { CommonModule } from '@angular/common';
+import { CUSTOM_ELEMENTS_SCHEMA, NgModule } from '@angular/core';
+import { LoaderComponent } from './loader.component';
+
+@NgModule({
+  schemas: [CUSTOM_ELEMENTS_SCHEMA],
+  declarations: [LoaderComponent],
+  imports: [CommonModule, DigiNgDialogModule],
+  exports: [LoaderComponent],
+})
+export class LoaderModule {}

apps/mina-sidor-fa/src/app/shared/services/api/employee.service.ts

@@ -44,6 +44,8 @@ export class EmployeeService extends UnsubscribeDirective {
   public lastDeletedEmployee$: Observable<Employee> = this._lastDeletedEmployee$.asObservable();
   private _employeeToDelete$ = new BehaviorSubject<Employee>(null);
   public employeeToDelete$: Observable<Employee> = this._employeeToDelete$.asObservable();
+  private _employeesLoading$ = new BehaviorSubject<boolean>(false);
+  public employeesLoading$: Observable<boolean> = this._employeesLoading$.asObservable();
 
   constructor(private httpClient: HttpClient, private errorService: ErrorService) {
     super();
@@ -110,11 +112,13 @@ export class EmployeeService extends UnsubscribeDirective {
     if (onlyEmployeesWithoutAuthorization) {
       params.onlyEmployeesWithoutAuthorization = onlyEmployeesWithoutAuthorization?.toString();
     }
+    this._employeesLoading$.next(true);
 
     return this.httpClient
       .get<EmployeesDataResponse>(this._apiBaseUrl, { params })
       .pipe(
         map(({ data, meta }) => {
+          this._employeesLoading$.next(false);
           return { data: data.map(employee => mapResponseToEmployeeCompact(employee)), meta };
         })
       );