lib/product_component.dart

   1 // Copyright (c) 2016, hackbard. All rights reserved. Use of this source code
   2 // is governed by a BSD-style license that can be found in the LICENSE file.
   3
   4 import 'dart:async';
   5
   6 import 'package:angular2/core.dart';
   7 import 'package:angular2/router.dart';
   8
   9 import 'product.dart';
  10 import 'product_service.dart';
  11 import 'product_category.dart';
  12 import 'product_category_service.dart';
  13
  14 import 'package:angular2_rbi/directives.dart';
  15
  16 @Component(
  17         selector: 'my-products',
  18         templateUrl: 'product_component.html',
  19         styleUrls: const ['product_component.css'],
  20         directives: const [MaterialTextfield,MaterialButton],
  21         providers: const [ProductService,ProductCategoryService]
  22 )
  23
  24 class ProductComponent implements OnInit {
  25         final ProductService _prodSrv;
  26         final ProductCategoryService _prodcatSrv;
  27         final RouteParams _routeParams;
  28         final Router _router;
  29
  30         String catid;
  31         String prod_category_name;
  32
  33         String prod_name;
  34         double prod_price;
  35         int prodcnt;
  36
  37         List<Product> products;
  38         ProductCategory prodcat;
  39
  40         ProductComponent(this._prodSrv,this._prodcatSrv,
  41                          this._routeParams,this._router) {
  42                 prod_category_name='Category';
  43         }
  44
  45         Future<Null> ngOnInit() async {
  46                 catid=_routeParams.get('id');
  47                 if(catid!=null) {
  48                         products = await (_prodSrv.getByCategory(catid));
  49                         prodcat = await (_prodcatSrv.getById(catid));
  50                 }
  51                 prod_category_name=prodcat.name;
  52                 prodcnt=products.length;
  53         }
  54
  55         Future<Null> updateProductCategory() async {
  56                 if(prodcat.name!=prod_category_name) {
  57                         await _prodcatSrv.updateProdCategory(
  58                                 catid,
  59                                 prod_category_name
  60                         );
  61                         _router.navigate(['ProductCategories']);
  62                 }
  63         }
  64
  65         Future<Null> deleteProductCategory() async {
  66                 print('Debug: Deleting product category '+
  67                       prodcat.name+'/'+prodcat.id);
  68                 await _prodcatSrv.deleteProdCategory(prodcat.id);
  69                 _router.navigate(['ProductCategories']);
  70         }
  71
  72         Future<Null> createProduct() async {
  73                 if(prod_name==null || prod_price==null)
  74                         return;
  75                 print('Debug: Creating product '+prod_name+'/'+
  76                       prod_price.toString());
  77                 String id = await _prodSrv.createProduct(prod_name,
  78                                              double.parse(prod_price),
  79                                              catid);
  80                 // instead of executing ngOnInit to 'reload' content
  81                 products.add(new Product(
  82                         id,prod_name,double.parse(prod_price),'product',catid
  83                 ));
  84                 prod_name='';
  85                 prod_price='';
  86         }
  87
  88         choose(Product prod) {
  89                 goto_product(prod);
  90         }
  91
  92         Future<Null> goto_product(Product prod) => _router.navigate([
  93                 'ProductDetail',
  94                 {'id': prod.id.toString()}
  95         ]);
  96
  97 }
  98