Impersination backend

client/src/app/shared/api.service.ts

@@ -5,6 +5,7 @@ import { IUser } from '../model/interface/user.interface';
 import { IKey } from '../model/interface/key.interface';
 import { ICylinder } from '../model/interface/cylinder.interface';
 import { HotToastService } from '@ngxpert/hot-toast';
+import { ICustomer } from '../model/interface/customer.interface';
 
 @Injectable({
   providedIn: 'root'
@@ -16,6 +17,7 @@ export class ApiService {
   public keys: BehaviorSubject<IKey[]> = new BehaviorSubject<IKey[]>([]);
   public cylinders: BehaviorSubject<ICylinder[]> = new BehaviorSubject<ICylinder[]>([]);
   public systems: BehaviorSubject<any[]> = new BehaviorSubject<any[]>([]);
+  public customers: BehaviorSubject<ICustomer[]> = new BehaviorSubject<ICustomer[]>([]);
 
 
   public user: BehaviorSubject<IUser> = new BehaviorSubject<IUser>(null!);
@@ -55,6 +57,9 @@ export class ApiService {
     return this.http.get<IKey[]>('api/key')
   }
 
+  /**
+   * triggert das Laden der Schlüssel vom Server und speichert sie in keys
+   */
   refreshKeys(): void{
     this.getKeys().subscribe({
       next: keys => {
@@ -138,16 +143,25 @@ export class ApiService {
     return this.http.post('api/customer', data);
   }
 
-  getCustomers(): Promise<any[]> {
-    return new Promise(resolve => {
-      this.http.get<any[]>('api/customer').subscribe({
-        next: (customers) => resolve(customers),
-        error: (err) => {
-          this.toast.error('Fehler beim Laden der Mieter');
-          resolve([]);
-        }
+  private getCustomers(): Observable<ICustomer[]> {
+  return this.http.get<ICustomer[]>('api/customer')
+  }
 
-      })
+   /**
+   * triggert das Laden der Schlüssel vom Server und speichert sie in keys
+   */
+  refreshCustomers(): Promise<ICustomer[]> {
+    return new Promise(resolve => {
+      this.getCustomers().subscribe({
+      next: customers => {
+        this.customers.next(customers);
+        resolve(customers)
+      },
+      error: () => {
+        this.toast.error('Fehler beim Laden der Schlüssel');
+        resolve([])
+      }
+    })
     })
   }
 
@@ -176,6 +190,12 @@ export class ApiService {
     })
   }
 
+  /**
+   * Löscht das System vom Server und zeigt Toast an.
+   * Aktualisiert die Systeme danach
+   * @param system zu löschen
+   * @returns true oder false
+   */
   deleteSystem(system: any): Promise<boolean> {
     return new Promise<boolean>(resolve => {
       this.http.delete(`api/system${system.id}`).pipe(
@@ -239,6 +259,11 @@ export class ApiService {
     })
   }
 
+  /**
+   * Aktualisiert die Schließanlagen im Behaviour Subject
+   * systems
+   * @returns Promise wenn geladen
+   */
   refreshSystems(): Promise<void> {
     return new Promise(resolve => {
       this.getSystems().subscribe({