public static async Task <files> retriveFileDataLocal(string filename)
{
files final = new files();
StorageFolder folder = ApplicationData.Current.LocalFolder;
StorageFile textFile;
try
{
textFile = await folder.CreateFileAsync("files.ini", CreationCollisionOption.FailIfExists);
}
catch
{
textFile = await folder.CreateFileAsync("files.ini", CreationCollisionOption.OpenIfExists);
}
string text = await FileIO.ReadTextAsync(textFile);
string[] templist = text.Split('\n');
foreach (string temp in templist)
{
if (temp != "")
{
if ((JsonConvert.DeserializeObject <files>(temp)).getFilename() == filename)
{
final = JsonConvert.DeserializeObject <files>(temp);
}
}
}
return(final);
}
/// The methods provided in this section are simply used to allow
/// NavigationHelper to respond to the page's navigation methods.
///
/// Page specific logic should be placed in event handlers for the
/// <see cref="Common.NavigationHelper.LoadState"/>
/// and <see cref="Common.NavigationHelper.SaveState"/>.
/// The navigation parameter is available in the LoadState method
/// in addition to page state preserved during an earlier session.
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
files file = e.Parameter as files;
pageTitle.Text = file.getFilename();
enableComponent = false;
image.Source = await users.downloadImage(file.getFilename(), file.getHost());
enableComponent = true;
navigationHelper.OnNavigatedTo(e);
}
public static async Task <bool> deleteFileOnline(files file)
{
try
{
TableOperation deleteOperation = TableOperation.Delete(file);
TableResult finalResult = await filesTable.ExecuteAsync(deleteOperation);
return(true);
}
catch
{
return(false);
}
}
public static async Task <bool> addFileOnline(files file)
{
try
{
TableOperation insertOperation = TableOperation.Insert(file);
await filesTable.ExecuteAsync(insertOperation);
return(true);
}
catch
{
return(false);
}
}
private void viewBtn_Click(object sender, RoutedEventArgs e)
{
if (enableComponent)
{
if (helper.checkInternetConnection())
{
files file = (files)list.SelectedItem;
if (file.IsImage())
{
Frame.Navigate(typeof(ImageView), file);
}
}
else
{
helper.popup("Check your internet connection", "NO INTERNET");
}
}
}
public static async Task <bool> addFileDataLocal(files temp)
{
StorageFolder folder = ApplicationData.Current.LocalFolder;
StorageFile textFile;
try
{
textFile = await folder.CreateFileAsync("files.ini", CreationCollisionOption.FailIfExists);
}
catch
{
textFile = await folder.CreateFileAsync("files.ini", CreationCollisionOption.OpenIfExists);
}
string jsonContents = JsonConvert.SerializeObject(temp);
await FileIO.AppendTextAsync(textFile, jsonContents + "\n");
return(true);
}
public static async Task <string> uploadFile(StorageFile temp)
{
//StorageFile temp = await helper.Encrpt(obj);
try
{
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(connection.getConnectionString());
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
CloudBlobContainer container = blobClient.GetContainerReference(helper.getUsername());
await container.CreateIfNotExistsAsync();
CloudBlockBlob blockBlob = container.GetBlockBlobReference(temp.Name);
if (!await blockBlob.ExistsAsync())
{
await blockBlob.UploadFromFileAsync(temp);
var basicProperties = await temp.GetBasicPropertiesAsync();
var size = basicProperties.Size;
string Extension = temp.FileType;
string ext = Extension.Substring(1, Extension.Length - 1);
ext = ext.ToLower();
if (ext == "jpeg" || ext == "jpg" || ext == "png" || ext == "bmp")
{
ext = "image";
}
files file = new files(temp.Name, ext, size.ToString());
await addFileOnline(file);
await updateFileCount(size, 0);
await helper.addFileDataLocal(file);
await temp.DeleteAsync();
}
else
{
return("File exist");
}
}
catch (Exception e)
{
return(e.ToString());
}
return("");
}
private void list_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (list.SelectedItems.Count == 1)
{
download.Visibility = Visibility.Visible;
deleteFileBtn.Visibility = Visibility.Visible;
plotBtn.Visibility = Visibility.Visible;
share.Visibility = Visibility.Visible;
files file = (files)list.SelectedItem;
if (file.IsImage())
{
viewBtn.Visibility = Visibility.Visible;
}
else
{
viewBtn.Visibility = Visibility.Collapsed;
}
}
else if (list.SelectedItems.Count > 1)
{
download.Visibility = Visibility.Visible;
deleteFileBtn.Visibility = Visibility.Visible;
plotBtn.Visibility = Visibility.Visible;
share.Visibility = Visibility.Visible;
viewBtn.Visibility = Visibility.Collapsed;
}
else
{
download.Visibility = Visibility.Collapsed;
deleteFileBtn.Visibility = Visibility.Collapsed;
share.Visibility = Visibility.Collapsed;
plotBtn.Visibility = Visibility.Collapsed;
viewBtn.Visibility = Visibility.Collapsed;
}
}
public static async Task <bool> deleteFile(files file, linking link, accessKeys key)
{
try
{
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(connection.getConnectionString());
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
CloudBlobContainer container = blobClient.GetContainerReference(helper.getUsername());
await container.CreateIfNotExistsAsync();
CloudBlockBlob blockBlob = container.GetBlockBlobReference(file.getFilename());
await blockBlob.DeleteIfExistsAsync();
files temp = await fetchFile(helper.getUsername(), file.getFilename());
if (temp != null)
{
await updateFileCount(Convert.ToDouble(temp.size), 1);
await deleteFileOnline(temp);
await helper.deleteFileDataLocal(temp.getFilename());
if (link != null)
{
await removerLink(link);
}
if (key != null)
{
await deleteKey(key);
}
}
return(true);
}
catch { }
return(false);
}
private void list_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (list.SelectedItems.Count == 1)
{
files file = (files)list.SelectedItem;
if (file.IsImage())
{
viewFile.Visibility = Visibility.Visible;
}
if (isAdmin)
{
dePlotBtn.Visibility = Visibility.Visible;
}
else
{
if (file.getHost() == helper.getUsername())
{
dePlotBtn.Visibility = Visibility.Visible;
}
else
{
dePlotBtn.Visibility = Visibility.Collapsed;
}
}
download.Visibility = Visibility.Visible;
}
else if (list.SelectedItems.Count > 1)
{
if (isAdmin)
{
dePlotBtn.Visibility = Visibility.Visible;
}
else
{
bool isHost = true;
List <object> temp = list.SelectedItems.ToList <object>();
foreach (files file in temp)
{
if (file.getHost() != helper.getUsername())
{
isHost = false;
}
}
if (isHost)
{
dePlotBtn.Visibility = Visibility.Visible;
}
else
{
dePlotBtn.Visibility = Visibility.Collapsed;
}
}
viewFile.Visibility = Visibility.Collapsed;
download.Visibility = Visibility.Visible;
}
else
{
dePlotBtn.Visibility = Visibility.Collapsed;
download.Visibility = Visibility.Collapsed;
viewFile.Visibility = Visibility.Collapsed;
}
}
