private async void ImportHandler()
{
var fileExt = Path.GetExtension(TargetFileName);
var sourceFile = await PlatformService.SelectFileAsync(new string[] { fileExt });
if (sourceFile == null)
{
return;
}
var md5 = await CryptographyService.ComputeMD5Async(sourceFile);
if (md5.ToLowerInvariant() != TargetMD5.ToLowerInvariant())
{
var title = LocalizationService.GetLocalizedString(FileHashMismatchTitleKey);
var message = LocalizationService.GetLocalizedString(FileHashMismatchMessageKey);
await DialogsService.AlertAsync(message, title);
return;
}
using (var inStream = await sourceFile.OpenAsync(PCLStorage.FileAccess.Read))
{
var targetFile = await TargetFolder.CreateFileAsync(targetFileName, CreationCollisionOption.ReplaceExisting);
using (var outStream = await targetFile.OpenAsync(PCLStorage.FileAccess.ReadAndWrite))
{
await inStream.CopyToAsync(outStream);
await outStream.FlushAsync();
}
FileAvailable = true;
}
}
private async Task <bool> SaveFileFromPhotoDetails(Photo photo)
{
if (photo.Details != null && photo.Details.CanDownload)
{
try
{
var originalPhoto = photo.Details.Sizes.FirstOrDefault(p => p.Label.ToLower() == "original");
string photoFormat = ".jpg";
if (!String.IsNullOrEmpty(photo.Format))
{
photoFormat = "." + photo.Format;
}
foreach (char c in System.IO.Path.GetInvalidFileNameChars())
{
photo.Title = photo.Title.Replace(c, '_');
}
StorageFile photoFile = null;
// Look for a year / month folder for the target folder to download into
if (photo.Dates.DateTaken != null && UseFolderStructure)
{
var yearFolder = await TargetFolder.CreateFolderAsync(photo.Dates.DateTaken.Year.ToString(), CreationCollisionOption.OpenIfExists);
var monthFolder = await yearFolder?.CreateFolderAsync(photo.Dates.DateTaken.Month.ToString(), CreationCollisionOption.OpenIfExists);
photoFile = await monthFolder?.CreateFileAsync(photo.Title + "_" + photo.Secret + photoFormat, Windows.Storage.CreationCollisionOption.ReplaceExisting);
}
if (photoFile == null)
{
photoFile = await TargetFolder?.CreateFileAsync(photo.Title + "_" + photo.Secret + photoFormat, Windows.Storage.CreationCollisionOption.ReplaceExisting);
}
if (originalPhoto != null && photoFile != null)
{
HttpClient client = new HttpClient();
Debug.WriteLine("Downloading:");
Debug.WriteLine(originalPhoto.Source);
byte[] buffer = await client.GetByteArrayAsync(originalPhoto.Source); // Download file
using (Stream stream = await photoFile.OpenStreamForWriteAsync())
{
stream.Write(buffer, 0, buffer.Length); // Save
}
return(true);
}
}
catch
{
return(false);
}
}
return(false);
}