http.service.ts

export class HttpService<T> {
  constructor(
    private http: HttpClient,
    private url: string,
  ) {
    this.url = this.url.endsWith('/') ? this.url : this.url + '/';
  }

  findAll(): Observable<T[]> {
    return this.http.get<T[]>(this.url);
  }

  find(id: string): Observable<T> {
    return this.http.get<T>(this.url + id);
  }

  create(t: T): Observable<T> {
    return this.http.post<T>(this.url, t);
  }

  update(t: T): Observable<T> {
    return this.http.put<T>(this.url + t['id'], t);
  }

  delete(id: string): Observable<any> {
    return this.http.delete<any>(this.url + id);
  }
}