// vim: set tw=80 ts=2 sw=2 sts=2 :

import { Injectable } from '@angular/core';
import { Observable } from 'rxjs/Rx';

import { Restangular } from "ngx-restangular";

import { Operation } from './operation';

@Injectable()
export class OperationService {
  constructor(
    private restangular: Restangular
  ) {}

  private all() {
    return this.restangular.all('operation');
  }

  private one(id: number) {
    return this.restangular.one('operation', id);
  }

  query(): Observable<Operation[]> {
    return this.all().getList();
  }
  
  get(id: number): Observable<Operation> {
    return this.one(id).get();
  }

  create(operation: Operation): Observable<Operation> {
    return this.all().post(operation);
  }

  update(operation: Operation): Observable<Operation> {
    return this.one(operation.id).post(null, operation);
  }

  delete(operation: Operation): Observable<Operation> {
    return this.one(operation.id).delete();
  }
}