ngAfterContentChecked() {
    if (this.advertisements === undefined) { // pobiera wszystkie ogłoszenia i ustala id aktualnie zalogowanego uzytkownika
      this.userId = this.authorizeService.getAuthorizeUserId();
      this.getAllAdvertisements();
      console.log('userId: ' + this.userId);
    }

    let usrId = this.authorizeService.getAuthorizeUserId(); // zmienna pomocnicza do filtrowania usrId

    // this.advertisment
    this.advertisements = this.advertisements.filter(function(adv) {
      return adv.userId === usrId; // porownuje z id aktualnie zalogowane uzytkownika - panel uzytkownika i jego ogłoszenia
    });

    /*this.advertisements = this.advertisements.filter(function(adv){
      return adv.userId == this.authorizeService.getAuthorizeUserId();
    });

    console.log(this.advertisements);
    console.log('isauthorize: ' + this.authorizeService.isAuthorize);*/
  }

  // funkcja pobiera wsazystkie ogłoszenia
  getAllAdvertisements() {
    this.advertisementService.getAllAdvertisements().subscribe(data => {
      this.advertisements = data.map(e => {
        return {
          id: e.payload.doc.id,
          show: e.payload.doc.get('show'),
          title: e.payload.doc.get('title'),
          category: e.payload.doc.get('category'),
          content: e.payload.doc.get('content'),
          salaryFrom: e.payload.doc.get('zarobkiOd'),
          salaryTo: e.payload.doc.get('zarobkiDo'),
          region: e.payload.doc.get('region'),
          advertisementType: e.payload.doc.get('typOgloszenia'),
          userId: e.payload.doc.get('userId')
        } as Advertisement;
      });
    });
    console.log(this.advertisements);
  }

  toggle(advertisement: Advertisement) {
    advertisement.show = !advertisement.show;
    this.show = !this.show;

  }

  deleteAdvertisement(advertisement: Advertisement){
    this.advertisementService.deleteAdvertisement(advertisement);
  }

  updateAdvertisement(advertisement: Advertisement){
    this.advertisementService.updateAdvertisement(advertisement);
  }

  redirectToEditPage(advertisement: Advertisement){
    // tslint:disable-next-line:max-line-length
    localStorage.setItem('advertisementId', advertisement.id); /* localStorage - miejsce w przeglądarce gdzie moge zapisac dane tymczasowo. Przekierowaniei do komponentu edycji z aktualnymi danymi ogłoszenia, które mona edytować */
    localStorage.setItem('title', advertisement.title);
    localStorage.setItem('category', advertisement.category);
    localStorage.setItem('content', advertisement.content);
    localStorage.setItem('zarobkiOd', advertisement.salaryFrom.toString());
    localStorage.setItem('zarobkiDo', advertisement.salaryTo.toString());
    localStorage.setItem('region', advertisement.region);
    localStorage.setItem('typOgloszenia', advertisement.advertisementType);
    localStorage.setItem('userId', advertisement.userId);
    this.router.navigate(['/menu/editadvertisement']);
  }