import {Injectable} from '@angular/core';
import {ActivatedRouteSnapshot, Resolve, Router, RouterStateSnapshot} from '@angular/router';
import {Group} from './group';
import {Observable} from 'rxjs/internal/Observable';
import {GroupService} from './group.service';

@Injectable({
  providedIn: 'root'
})
export class GroupResolver implements Resolve<Group> {

  constructor(private ser: GroupService, private router: Router) {
  }

  resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<Group> {
    const id = route.paramMap.get('id');
    return this.ser.get(id);
  }
}