widget doctor schedule table ts

import { Component, Injector, OnInit } from '@angular/core';
import { Router, ActivatedRoute } from '@angular/router';
import { DoctorService} from "../service/doctor.service";
import { FormGroup, FormControl, Validators } from '@angular/forms';

@Component({
  selector: 'app-widget-doctor-schedule-table',
  templateUrl: './widget-doctor-schedule-table.component.html',
  styleUrls: ['./widget-doctor-schedule-table.component.css']
})
export class WidgetDoctorScheduleTableComponent implements OnInit {
  model: any = {};
  returnUrl: string;
  id: number = 3;
  days = ['monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday', 'sunday'];
  reloadMessage: string;
  doctorName: string;

  constructor(
    private route: ActivatedRoute,
    private router: Router,
    private doctorService: DoctorService,
    private injector: Injector,) {
    this.doctorName  = this.injector.get('doctorName');
    this.reloadMessage = this.injector.get('reloadMessage');
  }

  public postScheduleForm = new FormGroup({
    day: new FormControl("day", Validators.required),
    time_start: new FormControl("time_start", Validators.required),
    time_end: new FormControl("time_start", Validators.required),
    room: new FormControl("room", Validators.required),
  });

  postSchedule(event) {
    let formData = this.postScheduleForm.value;
    console.log(formData);

    console.log('success');
    console.log(this.model.id);
    console.log(this.model.day);
    console.log(this.model.time_start);
    console.log(this.model.time_start.hour);
    console.log(this.model.time_end);
    console.log(this.model.room);

    this.model.time_start = this.model.time_start.hour + ':' + this.model.time_start.minute + ':' + this.model.time_start.second;
    this.model.time_end = this.model.time_end.hour + ':' + this.model.time_end.minute + ':' + this.model.time_end.second;

    this.doctorService.postDoctorSchedule(this.id, 'OP', this.model)
      .subscribe(
        data => {

          if(data == null) {
            console.log('Error');
          }
          else {
            this.router.navigate([this.returnUrl]);
          }
        },
        error => {
          console.log('failed');
        });
  }

  ngOnInit() {
    this.returnUrl = this.route.snapshot.queryParams['returnUrl'] || '/';
  }

}