public async void AddProduct(string productCode) { try { if (!await DataAccessHandler.DataAccess.IsValidKey(productCode)) { await DisplayAlert("Produktcode ungültiger", "Es wurde ein ungültiger Produktcode eingegeben. Bitte anderen code eingeben.", "Neue Eingabe"); return; } localFileSystem file = new localFileSystem(); String userPath = file.AdjustPath(file.GetUser().user_Email); //Gets the Serveradress DataAccessHandler accessHandler = new DataAccessHandler(); string serverAdress = accessHandler.ServerAdress; IFtpClient client = DependencyService.Get<IFtpClient>(); Product product = await DataAccessHandler.DataAccess.GetProductByKey(productCode); List<Product> listUserProducts = await DataAccessHandler.DataAccess.GetUserProducts(file.GetUser()); foreach (var userProducts in listUserProducts) { if (userProducts.product_ID == product.product_ID) { await DisplayAlert("Produkt bereits vorhanden!", "Sie besitzen dieses Produkt bereits", "OK"); return; } } //Loads the List<PContent> of the Product from the server List<PContent> listPContents = await DataAccessHandler.DataAccess.GetPContent(product.product_ID); //Loads the List<PContent> of the Product from the the User-Folder List<PContent> newlistPContents = file.loadContentList(userPath); foreach (PContent pcontent in listPContents) { //stops if the pcontent is empty if (pcontent.content_ID == 0) break; //adds new Pcontent if necessary while (newlistPContents.Count <= pcontent.content_ID) { newlistPContents.Add(null); } //updates PContent newlistPContents[pcontent.content_ID] = pcontent; if (pcontent.content_Kind!=0) { client.DownloadFile(@"Thumbnail/" + pcontent.content_ID + ".png", DependencyService.Get<ISaveAndLoad>().Getpath(file.GetUser().user_Email + @"/Thumbnail/") + pcontent.content_ID + ".png", serverAdress, accessHandler.FtpName, accessHandler.FtpPassword); } List<string> contentPath = await DataAccessHandler.DataAccess.GetFileServerPath(pcontent.content_ID); //creates a new p folder for the content_Kind if not exists DependencyService.Get<ISaveAndLoad>().CreateFolder(DependencyService.Get<ISaveAndLoad>().PathCombine( DependencyService.Get<ISaveAndLoad>().Getpath(userPath), "p" + pcontent.content_ID)); foreach (var path in contentPath) { if (pcontent.content_ID == 0) break; //Download for each PContent its Files DependencyService.Get<ISaveAndLoad>().CreateFolder(userPath + @"/p" + pcontent.content_ID); client.DownloadFile(path, DependencyService.Get<ISaveAndLoad>().Getpath(file.GetUser().user_Email) + @"/p" + pcontent.content_ID + @"/" + Path.GetFileName(path), serverAdress, accessHandler.FtpName, accessHandler.FtpPassword); } } //Adds the Product to the Product-File from the User List<Product> newUserProducts = file.LoadProductList(); //newUserProducts.Add(product); file.SaveModelsLocal(userPath, newUserProducts, newlistPContents); //Adds the Product to the User in the Database DataAccessHandler.DataAccess.AddProductToUser(product.product_ID, file.GetUser()); DataAccessHandler.DataAccess.SetProductKeyInvalid(productCode); await DisplayAlert("Produkt aktiviert!", "Das Produkt wurde erfolgreiche aktiviert!", "OK"); await Navigation.PushModalAsync(new NavigationPage(new MainMenuPage(file.GetUser()))); } catch (Exception e) { Debug.WriteLine("Fehler beim hinzufügen von Produkt: " + e); await DisplayAlert("Fehler beim Downloaden", "Es gab einen Fehler beim Downloaden, bitte erneut versuchen", "OK"); } }
/// <summary> /// Konstruktor der MainMenuPage, welcher eine Instanz der Seite erstellt. /// </summary> /// <param name="user"></param> public MainMenuPage(User user) { DataAccessHandler accessHandler = new DataAccessHandler(); string serverAdress = accessHandler.ServerAdress; files = new localFileSystem(); String userPath = files.AdjustPath(user.user_Email); files.CreateInitalFolders(userPath); //Toolbar ToolbarItem toolButton = new ToolbarItem { Name = "Hinzufügen", Order = ToolbarItemOrder.Primary, Icon = null, Command = new Command(() => Navigation.PushAsync(new AddProduktPage())) }; this.ToolbarItems.Add(toolButton); //? //InitLogout(); //Ende Toolbar //View ProductCollection = new Collection<Product>(); ProductCollection = files.LoadProductList(); List<PContent> PcontentCollection = files.loadContentList(userPath); ScrollView scrollView = new ScrollView(); StackLayout stackLayout = new StackLayout(); foreach (Product product in ProductCollection) { TapGestureRecognizer gesture = new TapGestureRecognizer(); bool owned = files.HasContent(product, PcontentCollection); Color color = Color.FromHex("E2001A"); DetailPage detailPage = new DetailPage(product, userPath); var test = (DependencyService.Get<ISaveAndLoad>().PathCombine(DependencyService.Get<ISaveAndLoad>().Getpath(localFileSystem.productFolderLocation), product.product_ID + product.product_Thumbnail)); if (owned == true) color = Color.FromHex("006AB3"); Frame frame = new Frame { BackgroundColor = color, VerticalOptions = LayoutOptions.FillAndExpand, HorizontalOptions = LayoutOptions.FillAndExpand, Content = new StackLayout { Orientation = StackOrientation.Horizontal, VerticalOptions = LayoutOptions.Center, HorizontalOptions = LayoutOptions.StartAndExpand, Children = { new Image { Source = ImageSource.FromFile(DependencyService.Get<ISaveAndLoad>().PathCombine(DependencyService.Get<ISaveAndLoad>().Getpath(localFileSystem.productFolderLocation), product.product_Thumbnail)), VerticalOptions = LayoutOptions.Center, HorizontalOptions = LayoutOptions.Center, HeightRequest = 110 }, new Label { FormattedText = product.product_Name, TextColor = Color.Black, VerticalOptions = LayoutOptions.Center, FontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Label)), HorizontalOptions = LayoutOptions.Center }, }//ende stacklayout (innen) }//ende stacklayout };//frame ende stackLayout.Children.Add(frame); gesture.Tapped += async (sender, e) => { await Navigation.PushAsync(detailPage); }; frame.GestureRecognizers.Add(gesture); } scrollView.Content = stackLayout; Content = scrollView; BackgroundColor = Color.White; Padding = new Thickness(5, Device.OnPlatform(0, 15, 0), 5, 5); //View Ende }