angular-cn/public/docs/_examples/router/ts/app/crisis-center/crisis-detail-resolve.service.ts
2016-08-09 11:48:07 -07:00

26 lines
751 B
TypeScript

// #docregion
import { Injectable } from '@angular/core';
import { Router, Resolve,
ActivatedRouteSnapshot } from '@angular/router';
import { Observable } from 'rxjs/Observable';
import { Crisis, CrisisService } from './crisis.service';
@Injectable()
export class CrisisDetailResolve implements Resolve<Crisis> {
constructor(private cs: CrisisService, private router: Router) {}
resolve(route: ActivatedRouteSnapshot): Observable<any> | Promise<any> | any {
let id = +route.params['id'];
return this.cs.getCrisis(id).then(crisis => {
if (crisis) {
return crisis;
} else { // id not found
this.router.navigate(['/crisis-center']);
return false;
}
});
}
}