barker/bookie/src/app/sale-category/product-list-resolver.servi...

22 lines
640 B
TypeScript

import { Injectable } from '@angular/core';
import { ActivatedRouteSnapshot, Resolve } from '@angular/router';
import { Observable, of as observableOf } from 'rxjs';
import { Product } from '../core/product';
import { ProductService } from '../product/product.service';
@Injectable({
providedIn: 'root',
})
export class ProductListResolver implements Resolve<Product[]> {
constructor(private ser: ProductService) {}
resolve(route: ActivatedRouteSnapshot): Observable<Product[]> {
const id = route.paramMap.get('id');
if (id === null) {
return observableOf([]);
}
return this.ser.listOfSaleCategory(id);
}
}