barker/bookie/src/app/sales/bills/bill-resolver.service.ts

31 lines
963 B
TypeScript

import { Injectable } from '@angular/core';
import { ActivatedRouteSnapshot, Resolve } from '@angular/router';
import { Observable } from 'rxjs';
import { Bill } from './bill';
import { VoucherService } from './voucher.service';
@Injectable({
providedIn: 'root',
})
export class BillResolver implements Resolve<Bill> {
constructor(private ser: VoucherService) {}
resolve(route: ActivatedRouteSnapshot): Observable<Bill> {
const tableId = route.queryParamMap.get('table');
const guestId = route.queryParamMap.get('guest');
const voucherId = route.queryParamMap.get('voucher');
const billId = route.queryParamMap.get('bill');
if (billId !== null) {
return this.ser.getFromBill(billId);
}
if (tableId !== null) {
return this.ser.getFromTable(tableId as string, voucherId, guestId);
}
if (voucherId !== null) {
return this.ser.getFromId(voucherId);
}
throw new Error('Unable to get bill');
}
}