public Stream GetFileStream(Files.Core.File file, long offset)
{
//NOTE: id here is not converted!
var fileToDownload = GetFileById(file.ID);
//Check length of the file
if (fileToDownload == null)
{
throw new ArgumentNullException("file", Web.Files.Resources.FilesCommonResource.ErrorMassage_FileNotFound);
}
//if (fileToDownload.Length > SetupInfo.AvailableFileSize)
//{
// throw FileSizeComment.FileSizeException;
//}
var fileStream = fileToDownload.GetDataTransferAccessor().GetDownloadStream();
if (fileStream.CanSeek)
{
file.ContentLength = fileStream.Length; // hack for google drive
}
if (offset > 0)
{
fileStream.Seek(offset, SeekOrigin.Begin);
}
return(fileStream);
}
public Files.Core.File SaveFile(Files.Core.File file, Stream fileStream)
{
if (fileStream == null)
{
throw new ArgumentNullException("fileStream");
}
ICloudFileSystemEntry entry = null;
if (file.ID != null)
{
entry = SharpBoxProviderInfo.Storage.GetFile(MakePath(file.ID), null);
}
else if (file.FolderID != null)
{
var folder = GetFolderById(file.FolderID);
file.Title = GetAvailableTitle(file.Title, folder, IsExist);
entry = SharpBoxProviderInfo.Storage.CreateFile(folder, file.Title);
}
if (entry != null)
{
entry.GetDataTransferAccessor().Transfer(fileStream, nTransferDirection.nUpload);
return(ToFile(entry));
}
return(null);
}
public bool IsExistOnStorage(Files.Core.File file)
{
var fileId = file.ID;
var selector = GetSelector(fileId);
file.ID = selector.ConvertId(fileId);
var exist = selector.GetFileDao(fileId).IsExistOnStorage(file);
file.ID = fileId; //Restore
return(exist);
}
private IFileDao GetFileDao(Files.Core.File file)
{
if (file.ID != null)
{
return(GetSelector(file.ID).GetFileDao(file.ID));
}
if (file.FolderID != null)
{
return(GetSelector(file.FolderID).GetFileDao(file.FolderID));
}
throw new ArgumentException("Can't create instance of dao for given file.", "file");
}
private Files.Core.File MakeId(Files.Core.File file)
{
if (file.ID != null)
{
file.ID = PathPrefix + "-" + file.ID;
}
if (file.FolderID != null)
{
file.FolderID = PathPrefix + "-" + file.FolderID;
}
return(file);
}
/// <summary>
/// Get stream of file
/// </summary>
/// <param name="file"></param>
/// <param name="offset"></param>
/// <returns>Stream</returns>
public Stream GetFileStream(Files.Core.File file, long offset)
{
if (file == null)
{
throw new ArgumentNullException("file");
}
var fileId = file.ID;
var selector = GetSelector(fileId);
file.ID = selector.ConvertId(fileId);
var stream = selector.GetFileDao(fileId).GetFileStream(file, offset);
file.ID = fileId; //Restore id
return(stream);
}
public Uri GetPreSignedUri(Files.Core.File file, TimeSpan expires)
{
if (file == null)
{
throw new ArgumentNullException("file");
}
var fileId = file.ID;
var selector = GetSelector(fileId);
file.ID = selector.ConvertId(fileId);
var streamUri = selector.GetFileDao(fileId).GetPreSignedUri(file, expires);
file.ID = fileId; //Restore id
return(streamUri);
}
public bool IsSupportedPreSignedUri(Files.Core.File file)
{
if (file == null)
{
throw new ArgumentNullException("file");
}
var fileId = file.ID;
var selector = GetSelector(fileId);
file.ID = selector.ConvertId(fileId);
var isSupported = selector.GetFileDao(fileId).IsSupportedPreSignedUri(file);
file.ID = fileId; //Restore id
return(isSupported);
}
public ChunkedUploadSession CreateUploadSession(Files.Core.File file, long contentLength)
{
if (SetupInfo.ChunkUploadSize > contentLength)
{
return new ChunkedUploadSession(MakeId(file), contentLength)
{
UseChunks = false
}
}
;
var uploadSession = new ChunkedUploadSession(file, contentLength);
ICloudFileSystemEntry sharpboxFile;
if (file.ID != null)
{
sharpboxFile = GetFileById(file.ID);
}
else
{
var folder = GetFolderById(file.FolderID);
sharpboxFile = SharpBoxProviderInfo.Storage.CreateFile(folder, GetAvailableTitle(file.Title, folder, IsExist));
}
var sharpboxSession = sharpboxFile.GetDataTransferAccessor().CreateResumableSession(contentLength);
if (sharpboxSession != null)
{
uploadSession.Items["SharpboxSession"] = sharpboxSession;
}
else
{
uploadSession.Items["TempPath"] = Path.GetTempFileName();
}
uploadSession.File = MakeId(uploadSession.File);
return(uploadSession);
}
public Files.Core.File SaveFile(Files.Core.File file, Stream fileStream)
{
if (file == null)
{
throw new ArgumentNullException("file");
}
var fileId = file.ID;
var folderId = file.FolderID;
IDaoSelector selector;
Files.Core.File fileSaved = null;
//Convert
if (fileId != null)
{
selector = GetSelector(fileId);
file.ID = selector.ConvertId(fileId);
if (folderId != null)
{
file.FolderID = selector.ConvertId(folderId);
}
fileSaved = selector.GetFileDao(fileId).SaveFile(file, fileStream);
}
else if (folderId != null)
{
selector = GetSelector(folderId);
file.FolderID = selector.ConvertId(folderId);
fileSaved = selector.GetFileDao(folderId).SaveFile(file, fileStream);
}
if (fileSaved != null)
{
return(fileSaved);
}
throw new ArgumentException("No file id or folder id toFolderId determine provider");
}
public Uri GetPreSignedUri(Files.Core.File file, TimeSpan expires)
{
throw new NotSupportedException();
}
private Files.Core.File ConvertId(Files.Core.File file)
{
file.ID = ConvertId(file.ID);
file.FolderID = ConvertId(file.FolderID);
return(file);
}
public bool UseTrashForRemove(Files.Core.File file)
{
return(false);
}
public ChunkedUploadSession CreateUploadSession(Files.Core.File file, long contentLength)
{
return(GetFileDao(file).CreateUploadSession(ConvertId(file), contentLength));
}
public bool UseTrashForRemove(Files.Core.File file)
{
var selector = GetSelector(file.ID);
return(selector.GetFileDao(file.ID).UseTrashForRemove(file));
}
public bool IsSupportedPreSignedUri(Files.Core.File file)
{
return(false);
}
public Stream GetFileStream(Files.Core.File file)
{
return(GetFileStream(file, 0));
}
public bool IsExistOnStorage(Files.Core.File file)
{
return(true);
}
