Beispiel #1
0
        public async Task DownloadInitialContent(User user)
        {
            try
            {
                localFileSystem files = new localFileSystem();
                String userPath = files.AdjustPath(user.user_Email);
                //A newly created User cant have a folder with the same name in the folder so no check must be implemented
                files.CreateInitalFolders(userPath);

                DataAccessHandler accessHandler = new DataAccessHandler();
                string serverAdress = accessHandler.ServerAdress;

                IFtpClient client = DependencyService.Get<IFtpClient>();

                //Download all Products from the database
                List<Product> listAllProducts = await DataAccessHandler.DataAccess.GetAllProducts();
                
                List<PContent> newEmptyContent = new List<PContent>();
                foreach (var productAll in listAllProducts)
                {

                    if (productAll.product_ID == 0) break;
                    //Download Thumbnail in Produkte Folder
                    client.DownloadFile(@"Produkte/" + productAll.product_Thumbnail,
                    DependencyService.Get<ISaveAndLoad>().Getpath(@"Produkte/") + productAll.product_Thumbnail, serverAdress, accessHandler.FtpName,
                    accessHandler.FtpPassword);
                }
                files.SaveUser(user);
                files.SaveModelsLocal(userPath, listAllProducts, newEmptyContent);

                //Hier GetALLProducts ansttt nur user products
                List<Product> listUserProducts = await DataAccessHandler.DataAccess.GetUserProducts(user);
                List<PContent> newlistPContents = new List<PContent>();
                foreach (var product in listUserProducts)
                {
                    //loads the PContent from the server
                    List<PContent> listUserPContents =
                        await DataAccessHandler.DataAccess.GetPContent(product.product_ID);

                    if (product.product_ID == 0) break;

                    foreach (var pcontent in listUserPContents)
                    {
                        if (pcontent.content_ID == 0) break;
                        //creates a new p folder if not exists for content_Kind
                        DependencyService.Get<ISaveAndLoad>().CreateFolder(DependencyService.Get<ISaveAndLoad>().PathCombine(
                            DependencyService.Get<ISaveAndLoad>().Getpath(userPath), "p" + pcontent.content_ID));

                        List<string> contentPath = await DataAccessHandler.DataAccess.GetFileServerPath(pcontent.content_ID);
                        foreach (var path in contentPath)
                        {
                            //loads every content from PContent 
                            client.DownloadFile(path,
                            DependencyService.Get<ISaveAndLoad>().Getpath(files.GetUser().user_Email) + @"/p" + pcontent.content_ID + @"/" + Path.GetFileName(path), serverAdress, accessHandler.FtpName,
                            accessHandler.FtpPassword);
                        }

                        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(files.GetUser().user_Email + @"/Thumbnail/") + pcontent.content_ID + ".png", serverAdress, accessHandler.FtpName,
                            accessHandler.FtpPassword);
                        }
                    }
                }
                //Saves User, Products and PContent XML
                files.SaveUser(user);
                files.SaveModelsLocal(userPath, listAllProducts, newlistPContents);
            }
            catch (Exception e)
            {
                Debug.WriteLine("catched DL Exception: " + e);
                await DisplayAlert("Fehler beim Downloaden", "Es gab einen Fehler beim Downloaden, bitte erneut versuchen", "OK");
            }
        }
Beispiel #2
0
        /// <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
        }