internal ISupportingFile UpdateFile(VersionedSupportingFile file, Stream newContents, string fileName)
{
//update the file contents
string newStoragePath = _fileService.FileStorage.CreateFile(fileName);
using (Stream outStream = new FileStream(newStoragePath, FileMode.OpenOrCreate, FileAccess.Write))
StreamHelper.Transfer(newContents, outStream);
//if the filename is changing, assign the file a new unique filename token
string fileNameUniqueToken = fileName == file.FileName
? file.FileNameUniqueToken
: _fileService.CreateUniqueFileNameToken(fileName);
//Clone the file so that its old version can still be referenced by its old URL.
//Note: this is required since editor undo operations may allow the post to rollback
//to referencing the old version of the file.
VersionedSupportingFile newFile = new VersionedSupportingFile(this, _nextVersion++, new Uri(UrlHelper.CreateUrlFromPath(newStoragePath)), fileName, fileNameUniqueToken, true, (BlogPostSettingsBag)file.Settings.Clone());;
newFile.StoragePath = newStoragePath;
RegisterSupportingFile(newFile);
return(newFile);
}
private void Delete(VersionedSupportingFile file)
{
_fileService.DeregisterSupportingFile(file);
_versionTable.Remove(file.FileVersion);
}
private ISupportingFile RegisterSupportingFile(VersionedSupportingFile file)
{
_versionTable[file.FileVersion] = file;
_fileService.RegisterSupportingFile(file);
return(file);
}
private void Delete(VersionedSupportingFile file)
{
_fileService.DeregisterSupportingFile(file);
_versionTable.Remove(file.FileVersion);
}
internal ISupportingFile UpdateFile(VersionedSupportingFile file, Stream newContents, string fileName)
{
//update the file contents
string newStoragePath = _fileService.FileStorage.CreateFile(fileName);
using (Stream outStream = new FileStream(newStoragePath, FileMode.OpenOrCreate, FileAccess.Write))
StreamHelper.Transfer(newContents, outStream);
//if the filename is changing, assign the file a new unique filename token
string fileNameUniqueToken = fileName == file.FileName
? file.FileNameUniqueToken
: _fileService.CreateUniqueFileNameToken(fileName);
//Clone the file so that its old version can still be referenced by its old URL.
//Note: this is required since editor undo operations may allow the post to rollback
//to referencing the old version of the file.
VersionedSupportingFile newFile = new VersionedSupportingFile(this, _nextVersion++, new Uri(UrlHelper.CreateUrlFromPath(newStoragePath)), fileName, fileNameUniqueToken, true, (BlogPostSettingsBag)file.Settings.Clone()); ;
newFile.StoragePath = newStoragePath;
RegisterSupportingFile(newFile);
return newFile;
}
private ISupportingFile RegisterSupportingFile(VersionedSupportingFile file)
{
_versionTable[file.FileVersion] = file;
_fileService.RegisterSupportingFile(file);
return file;
}
