public SearchViewModel() { SearchHistoryList = new ObservableCollection <string>(); //InitSearchPage(); SearchCommand = new Command <string>(async(str) => { if (!Tools.IsNetConnective()) { CrossToastPopUp.Current.ShowToastError("无网络连接,请检查网络。", ToastLength.Long); return; } if (string.IsNullOrEmpty(str)) { CrossToastPopUp.Current.ShowToastWarning("请输入关键词", ToastLength.Short); } else { if (!SearchHistoryList.Contains(str)) { SearchedItem searchedItem = new SearchedItem { createTime = DateTime.UtcNow.ToString(), searchedString = str }; await LocalDatabaseHelper <SearchedItem> .InsertOrReplaceAsync(searchedItem); } ProductListPage productListPage = new ProductListPage(str); SearchString = ""; await Application.Current.MainPage.Navigation.PushAsync(productListPage); } }, (str) => { return(true); }); ClearCommand = new Command(async() => { bool action = await Application.Current.MainPage.DisplayAlert("确认", "删除所有搜索历史?", "确认", "取消"); if (action) { await localDatabaseService.DeleteAllSearchedItem(); InitSearchPage(); } }, () => { return(true); }); }
private async void InitHomePage() { try { if (!Tools.IsNetConnective()) { CrossToastPopUp.Current.ShowToastError("无网络连接,请检查网络。", ToastLength.Long); return; } string result1 = await RestSharpHelper <string> .GetAsyncWithoutDeserialization("/goods/home"); if (!string.IsNullOrWhiteSpace(result1)) { HomeContentRD homeContentRD = JsonConvert.DeserializeObject <HomeContentRD>(result1); HotProductList = homeContentRD.result[1].panelContents.ToList(); await LocalDatabaseHelper <HomePanelContent> .InsertByList(HotProductList); } else { HotProductList = await LocalDatabaseHelper <HomePanelContent> .GetAllItems(); } string result2 = await RestSharpHelper <string> .GetAsyncWithoutDeserialization("/goods/SearchAllItemCat"); if (!string.IsNullOrWhiteSpace(result2)) { CategoryRD categoryRD = JsonConvert.DeserializeObject <CategoryRD>(result2); List <Category> temp = new List <Category>(); foreach (var item in categoryRD.result) { if (!item.isParent) { temp.Add(item); } } await LocalDatabaseHelper <Category> .InsertByList(categoryRD.result); CatList = temp.GetRange(0, 10); } else { List <Category> temp = new List <Category>(); List <Category> localCategoryList = await LocalDatabaseHelper <Category> .GetAllItems(); foreach (var item in localCategoryList) { if (!item.isParent) { temp.Add(item); } } CatList = temp.GetRange(0, 10); } //RestSharpService _restSharpService = new RestSharpService(); //HomeContentRD homeContentRD = await RestSharpService.GetHomeContent(); //CategoryRD categoryRD = await RestSharpService.GetCategories(); //CarouselList = homeContentRD.result[0].panelContents.ToList<HomePanelContent>(); //HotProductList = homeContentRD.result[1].panelContents.ToList<HomePanelContent>(); //OfficialChoiceList = homeContentRD.result[2].panelContents.ToList<HomePanelContent>(); //GoodBrandList = homeContentRD.result[3].panelContents.ToList<HomePanelContent>(); //BrandChoiceList = homeContentRD.result[4].panelContents.ToList<HomePanelContent>(); CarouselList = new List <HomePanelContent> { new HomePanelContent { picUrl = "sanye.png", fullUrl = "http://www.sanecn.com/" }, new HomePanelContent { picUrl = "bianselong.jpg", fullUrl = "http://www.cdbsljs.com/" }, new HomePanelContent { picUrl = "jiabei.jpg", fullUrl = "http://www.cdbsljs.com/" } }; //List<Category> temp = new List<Category>(); //foreach (var item in categoryRD.result) //{ // if (!item.isParent) // { // temp.Add(item); // } //} //CatList = temp.GetRange(0, 10); } catch (Exception) { throw; } }