Fixed impersonation not updating the UI correctly. Self is selected and shown by default. Using async pipes & custom pipe.

src/app/auth/impersonation/impersonation.component.html

@@ -1,14 +1,12 @@
 @if (isAdmin()) {
-<main>
+<mat-form-field class="mat-small"
-  <mat-form-field class="mat-small"
                 subscriptSizing="dynamic">
   <mat-label>User to impersonate</mat-label>
   <mat-select [formControl]="impersonationControl">
-      <mat-option>{{getUsername()}}</mat-option>
+    <mat-option [value]="auth.getUserId()">{{getUsername()}}</mat-option>
-      @for (user of users; track user.id) {
+    @for (user of (users$ | async | excludeById : auth.getUserId()); track user.id) {
     <mat-option [value]="user.id">{{ user.name }}</mat-option>
     }
   </mat-select>
-  </mat-form-field>
+</mat-form-field>
-</main>
 }

src/app/auth/impersonation/impersonation.component.ts

@@ -1,21 +1,22 @@
-import { Component, inject, Inject, OnInit, PLATFORM_ID } from '@angular/core';
+import { Component, inject, OnInit } from '@angular/core';
 import { ApiAuthenticationService } from '../../shared/services/api/api-authentication.service';
 import { MatCardModule } from '@angular/material/card';
 import { MatSelectModule } from '@angular/material/select';
 import { HttpClient } from '@angular/common/http';
-import { isPlatformBrowser } from '@angular/common';
 import { environment } from '../../../environments/environment';
 import EventService from '../../shared/services/EventService';
 import { HermesClientService } from '../../hermes-client.service';
-import { Router } from '@angular/router';
 import { FormControl, ReactiveFormsModule } from '@angular/forms';
-import { User } from '../../shared/models/user';
 import { UserService } from '../../shared/services/user.service';
+import { AsyncPipe } from '@angular/common';
+import { ExcludeByIdPipe } from '../../shared/pipes/exclude-by-id.pipe';
 
 @Component({
   selector: 'impersonation',
   standalone: true,
   imports: [
+    AsyncPipe,
+    ExcludeByIdPipe,
     MatCardModule,
     MatSelectModule,
     ReactiveFormsModule,
@@ -24,34 +25,33 @@ import { UserService } from '../../shared/services/user.service';
   styleUrl: './impersonation.component.scss'
 })
 export class ImpersonationComponent implements OnInit {
-  private readonly events = inject(EventService);
+  private readonly client = inject(HermesClientService);
   private readonly userService = inject(UserService);
+  private readonly events = inject(EventService);
+  private readonly http = inject(HttpClient);
 
-  impersonationControl = new FormControl<string | undefined>(undefined);
+  readonly auth = inject(ApiAuthenticationService);
-  users: User[];
 
-  constructor(private client: HermesClientService, private auth: ApiAuthenticationService, private router: Router, private http: HttpClient, @Inject(PLATFORM_ID) private platformId: Object) {
+  impersonationControl = new FormControl<string>(this.auth.getUserId());
-    this.users = [];
+  users$ = this.userService.fetch();
-  }
 
   ngOnInit(): void {
-    if (!isPlatformBrowser(this.platformId)) {
+    if (!this.auth.isAdmin()) {
       return;
     }
 
-    this.userService.fetch().subscribe(users => {
+    this.users$.subscribe(users => {
-      this.users = users.filter((d: any) => d.name != this.auth.getUsername());
       const id = this.auth.getImpersonatedId();
-      if (id && this.users.find(u => u.id == id)) {
+      if (id && users.find(u => u.id == id)) {
         this.impersonationControl.setValue(id);
       }
     });
 
     this.impersonationControl.valueChanges.subscribe((impersonationId) => {
-      if (!this.auth.isAdmin() || impersonationId == this.auth.getImpersonatedId())
+      if (impersonationId == this.auth.getImpersonatedId())
         return;
 
-      if (!impersonationId) {
+      if (impersonationId == this.auth.getUserId()) {
         this.http.delete(environment.API_HOST + '/admin/impersonate', {
           headers: {
             'Authorization': 'Bearer ' + localStorage.getItem('jwt')
@@ -73,7 +73,6 @@ export class ImpersonationComponent implements OnInit {
         }).subscribe(async (data: any) => {
           this.client.disconnect(true);
           this.events.emit('impersonation', impersonationId);
-          await this.router.navigate(['tts-login']);
         });
       }
     });

src/app/navigation/topbar/topbar.component.ts

@@ -6,7 +6,6 @@ import { MatButtonModule } from '@angular/material/button';
 import { AuthModule } from '../../auth/auth.module';
 import { ApiAuthenticationService } from '../../shared/services/api/api-authentication.service';
 import { ImpersonationComponent } from '../../auth/impersonation/impersonation.component';
-import { HermesClientService } from '../../hermes-client.service';
 import EventService from '../../shared/services/EventService';
 import { Subscription } from 'rxjs';
 import { ThemeComponent } from "../../theme/theme.component";
@@ -32,14 +31,13 @@ import { LoginButtonComponent } from "../../auth/login-button/login-button.compo
 })
 export class Topbar implements OnDestroy {
   private readonly auth = inject(ApiAuthenticationService);
-  private readonly client = inject(HermesClientService);
   private readonly events = inject(EventService);
 
   private subscriptions: (Subscription | null)[] = [];
   private _showImpersonation: boolean = false
 
   constructor() {
-    this.subscriptions.push(this.events.listen('impersonation', () => this.showImpersonation = false));
+    this.subscriptions.push(this.events.listen('impersonation', () => { this.auth.update(localStorage.getItem('jwt')); this.showImpersonation = false; }));
   }
 
   ngOnDestroy(): void {

src/app/redemptions/redemption-list/redemption-list.component.ts

@@ -44,7 +44,6 @@ export class RedemptionListComponent {
     alias: 'twitchRedemptions',
     transform: toTwitchRedemptionDict,
   });
-  //twitchRedemptions = computed<{ [id: string]: string } | null>(() => ({}));
   actions = input.required<RedeemableAction[]>();
 
 

src/app/shared/pipes/exclude-by-id.pipe.ts

@@ -0,0 +1,13 @@
+import {Pipe, PipeTransform} from '@angular/core';
+
+@Pipe({
+  name: 'excludeById',
+})
+export class ExcludeByIdPipe implements PipeTransform {
+  transform(values: any[] | null, id: string): any[] | null {
+    if (!values) {
+      return values;
+    }
+    return values.filter(value => value.id != id);
+  }
+}

src/app/shared/services/api/api-authentication.service.ts

@@ -36,6 +36,10 @@ export class ApiAuthenticationService {
     return this.user?.impersonation?.name;
   }
 
+  getUserId() {
+    return this.user?.id;
+  }
+
   getUsername() {
     return this.user?.name;
   }

src/app/shared/services/permission.service.ts

@@ -2,7 +2,7 @@ import { inject, Injectable } from '@angular/core';
 import { HermesClientService } from '../../hermes-client.service';
 import EventService from './EventService';
 import { Permission } from '../models/permission';
-import { map, Observable, of } from 'rxjs';
+import { filter, map, merge, Observable, of, startWith } from 'rxjs';
 
 @Injectable({
   providedIn: 'root'
@@ -12,6 +12,7 @@ export class PermissionService {
   private readonly events = inject(EventService);
   private data: Permission[] = [];
   private loaded = false;
+  changes$: Observable<any>;
   create$: Observable<any> | undefined;
   update$: Observable<any> | undefined;
   delete$: Observable<any> | undefined;
@@ -20,6 +21,12 @@ export class PermissionService {
     this.create$ = this.client.filterByRequestType('create_group_permission');
     this.update$ = this.client.filterByRequestType('update_group_permission');
     this.delete$ = this.client.filterByRequestType('delete_group_permission');
+    this.changes$ = merge<any>(this.create$, this.update$, this.delete$)
+      .pipe(
+        startWith(null),
+        filter(d => !d.error),
+        map(_ => this.data.slice()),
+      );
 
     this.create$?.subscribe(d => {
       if (d.error) {

src/app/shared/services/redeemable-action.service.ts

@@ -25,7 +25,7 @@ export default class RedeemableActionService {
     this.changes$ = merge<any>(this.create$, this.update$, this.delete$)
       .pipe(
         startWith(null),
-        map(d => this.data.slice()),
+        map(_ => this.data.slice()),
       );
 
     this.create$?.subscribe(d => this.data.push(d.data));

src/app/shared/services/redemption.service.ts

@@ -24,7 +24,7 @@ export default class RedemptionService {
     this.changes$ = merge<any>(this.create$, this.update$, this.delete$)
       .pipe(
         startWith(null),
-        map(d => this.data.slice()),
+        map(_ => this.data.slice()),
       );
 
     this.create$?.subscribe(d => this.data.push(d.data));