public IObservable<Unit> addMap(Map map, System.IO.Stream mapContent)
{
Func<Task> impl = async () =>
{
try
{
using (var iso = IsolatedStorageFile.GetUserStoreForApplication())
{
var filename = fileNameForMap(map);
if (iso.FileExists(filename))
iso.DeleteFile(filename);
using (var file = iso.CreateFile(filename))
{
await mapContent.CopyToAsync(file, 4 * 1024 * 1024);
}
}
}
catch (IsolatedStorageException)
{
mapContent.Dispose();
}
using (var ctx = getContext())
{
ctx.Maps.InsertOnSubmit(map);
ctx.SubmitChanges();
}
};
return impl().ToObservable();
}
public async Task WriteStreamToFileAsync(System.IO.Stream dataStream, string fileName, string folderName = null)
{
var folder = await folderName.GetLocalFolderByNameCreateIfNotExistingAsync();
var file = await folder.CreateFileAsync(fileName, CreationCollisionOption.ReplaceExisting);
using (var stream = await file.OpenStreamForWriteAsync())
{
await dataStream.CopyToAsync(stream);
}
}
public static async Task<string> SaveStreamAsync(string itemId, string filename, System.IO.Stream sourceStream, string dataFilesPath)
{
IFolder localStorage = FileSystem.Current.LocalStorage;
string targetPath = await GetLocalFilePathAsync(itemId, filename, dataFilesPath);
var targetFile = await localStorage.CreateFileAsync(targetPath, CreationCollisionOption.ReplaceExisting);
using (var targetStream = await targetFile.OpenAsync(FileAccess.ReadAndWrite)) {
await sourceStream.CopyToAsync(targetStream);
}
return targetPath;
}
/// <summary>
/// Stores the provided string with the provided filename.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <param name="stream">The stream.</param>
/// <returns></returns>
/// <exception cref="System.NotImplementedException"></exception>
public async Task<string> StoreAsync(string fileName, System.IO.Stream stream)
{
var fileNameAndPath = Path.Combine(_baseFolder, fileName);
if (!Directory.Exists(_baseFolder))
{
Directory.CreateDirectory(_baseFolder);
}
using (var file = System.IO.File.OpenWrite(fileNameAndPath))
{
await stream.CopyToAsync(file);
}
return fileName;
}
public async Task SaveStream(string fileName, System.IO.Stream stream)
{
var _lock = XNamedLock.Get(fileName);
using (var releaser = await _lock.LockAsync())
{
var path = _getPath(fileName);
_createDirForFile(path);
using (var s = File.Create(path))
{
await stream.CopyToAsync(s);
}
}
}
