/// <summary>
/// It will set the user_Password to null and creates then a new loginData.xml
/// </summary>
public void Logout()
{
// It will set true on the Main Page
localFileSystem file = new localFileSystem();
CurrentUser = file.GetUser();
CurrentUser.user_Password = null;
RememberLogin(CurrentUser);
file.DeleteUser();
}
/// <summary>
/// Receives the User Login Status
/// </summary>
protected override void OnStart()
{
DataAccessHandler.InitDataAccess(DataAccessHandler.InterfaceType.MySqlPhp);
localFileSystem file = new localFileSystem();
CurrentUser = file.GetUser();
if (IsLoggedIn)
{
MainPage = new NavigationPage(new MainMenuPage(CurrentUser));
}
else
{
MainPage = new LoginModalPage();
}
// Handle when your app starts
}
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");
}
}
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");
}
}