feat(service): HistoryService für API-Interaktionen erstellen

EnvelopeGenerator.Common/Constants.vb

@@ -26,6 +26,7 @@
         MessageCompletionSent = 3005
     End Enum
 
+    'TODO: standardize in xwiki
     Public Enum ReferenceType
         Receiver
         Sender

EnvelopeGenerator.GeneratorAPI/ClientApp/envelope-generator-ui/src/app/services/history.service.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { HistoryService } from './history.service';
+
+describe('HistoryService', () => {
+  let service: HistoryService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(HistoryService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});

EnvelopeGenerator.GeneratorAPI/ClientApp/envelope-generator-ui/src/app/services/history.service.ts

@@ -0,0 +1,17 @@
+import { Injectable, inject } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { Observable, firstValueFrom } from 'rxjs';
+import { API_URL } from '../tokens/index';
+
+
+@Injectable({
+  providedIn: 'root'
+})
+export class HistoryService {
+  protected url: string;
+
+  constructor(private http: HttpClient) {
+    const api_url = inject(API_URL);
+    this.url = `${api_url}/history`;
+  }
+}