Discussion on: Angular Material Pagination Datasource

export class UserService {
  constructor(private http: HttpClient) {}

  page(request: PageRequest<User>, query: UserQuery): Observable<Page<User>> {
    // parse HTTP-GET parameters that your server understands, e.g:
    const params = {
      pageNumber: request.page, 
      pageSize: request.size,
      sorting: `${request.sort.property},${request.sort.order}`,
      text: query.search,
      registrationDate: query.registration
    }
    // make request
    return this.http.get("/users", {params}).pipe(
      map(/* map to Page<User>> if the type is different */)
    )
  }
}