[CST-15074][#3355] PR review

src/app/shared/log-in/log-in.component.ts

@@ -9,16 +9,13 @@ import {
   select,
   Store,
 } from '@ngrx/store';
-import uniqBy from 'lodash/uniqBy';
 import { Observable } from 'rxjs';
-import { map } from 'rxjs/operators';
 
 import { AuthService } from '../../core/auth/auth.service';
 import { AuthMethod } from '../../core/auth/models/auth.method';
 import { AuthMethodType } from '../../core/auth/models/auth.method-type';
 import {
   getAuthenticationError,
-  getAuthenticationMethods,
   isAuthenticated,
   isAuthenticationLoading,
 } from '../../core/auth/selectors';
@@ -26,7 +23,6 @@ import { CoreState } from '../../core/core-state.model';
 import { hasValue } from '../empty.util';
 import { ThemedLoadingComponent } from '../loading/themed-loading.component';
 import { LogInContainerComponent } from './container/log-in-container.component';
-import { rendersAuthMethodType } from './methods/log-in.methods-decorator';
 
 @Component({
   selector: 'ds-base-log-in',
@@ -77,17 +73,7 @@ export class LogInComponent implements OnInit {
   }
 
   ngOnInit(): void {
-    this.authMethods = this.store.pipe(
-      select(getAuthenticationMethods),
-      map((methods: AuthMethod[]) => methods
-        // ignore the given auth method if it should be excluded
-        .filter((authMethod: AuthMethod) => authMethod.authMethodType !== this.excludedAuthMethod)
-        .filter((authMethod: AuthMethod) => rendersAuthMethodType(authMethod.authMethodType) !== undefined)
-        .sort((method1: AuthMethod, method2: AuthMethod) => method1.position - method2.position),
-      ),
-      // ignore the ip authentication method when it's returned by the backend
-      map((authMethods: AuthMethod[]) => uniqBy(authMethods.filter(a => a.authMethodType !== AuthMethodType.Ip), 'authMethodType')),
-    );
+    this.authMethods = this.authService.getAuthMethods(this.excludedAuthMethod);
 
     // set loading
     this.loading = this.store.pipe(select(isAuthenticationLoading));