lib/product_detail_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-product-details',
  18         templateUrl: 'product_detail_component.html',
  19         styleUrls: const ['product_detail_component.css'],
  20         directives: const [MaterialTextfield,MaterialButton],
  21         providers: const [ProductService,ProductCategoryService]
  22 )
  23
  24 class ProductDetailComponent implements OnInit {
  25         final ProductService _prodSrv;
  26         final ProductCategoryService _prodcatSrv;
  27         final RouteParams _routeParams;
  28
  29         List<ProductCategory> prodcats;
  30         Product prod;
  31
  32         String prod_name;
  33         String prod_category;
  34         double prod_price;
  35
  36         ProductDetailComponent(this._prodSrv,this._prodcatSrv,
  37                                this._routeParams) {
  38                 prod_name='Product';
  39                 prod_price=0;
  40         }
  41
  42         Future<Null> ngOnInit() async {
  43                 var id=_routeParams.get('id');
  44                 if(id!=null) {
  45                         prod = await (_prodSrv.getById(id));
  46                         prodcats = await (_prodcatSrv.getAll());
  47                 }
  48                 prod_name=prod.name;
  49                 prod_price=prod.price;
  50                 prod_category=prod.category;
  51         }
  52
  53         Future<Null> updateProduct() async {
  54                 bool doupdate=false;
  55                 if(prod.name!=prod_name) {
  56                         doupdate=true;
  57                 }
  58                 if(prod.price!=prod_price) {
  59                         doupdate=true;
  60                 }
  61                 if(prod.category!=prod_category) {
  62                         doupdate=true;
  63                 }
  64                 if(doupdate) {
  65                         print('Debug: Updating product '+
  66                               prod.name+'/'+prod.price.toString()+'/'+
  67                               prod.category+' -> '+
  68                               prod_name+'/'+prod_price.toString()+'/'+
  69                               prod_category);
  70                         await _prodSrv.updateProd(
  71                                 prod.id,
  72                                 prod_name,
  73                                 prod_price,
  74                                 prod_category
  75                         );
  76                         prod.price=prod_price;
  77                         prod.name=prod_name;
  78                         prod.category=prod_category;
  79                 }
  80         }
  81
  82         Future<Null> deleteProduct(Product prod) async {
  83                 print('Debug: Deleting product '+prod.name);
  84                 await _prodSrv.deleteProduct(prod.id);
  85         }
  86
  87 }
  88