/// <summary>
/// Gets the document stream for the specified entity identifier.
/// </summary>
/// <param name="entityId">The entity id.</param>
/// <returns>The open file stream for the document stored in the file stream table.</returns>
/// <remarks></remarks>
private static RevisionData GetDocumentStreamForRevisionId(long entityId)
{
Stream stream = null;
// Get the document revision
var documentRevision = Entity.Get <DocumentRevision>(entityId);
if (documentRevision == null)
{
EventLog.Application.WriteError("Unable to get the document revision stream, invalid document entityId {0}", entityId);
return(null);
}
stream = FileRepositoryHelper.GetFileDataStreamForToken(Factory.DocumentFileRepository, documentRevision.FileDataHash);
RevisionData result = new RevisionData
{
Stream = stream,
FileExtension = (documentRevision.FileExtension ?? "").ToLowerInvariant().Trim()
};
return(result);
}
/// <summary>
/// Gets the image data stream.
/// </summary>
/// <param name="imageFileDataHash">The image file data hash.</param>
/// <returns></returns>
public Stream GetImageDataStream(string imageFileDataHash)
{
return(FileRepositoryHelper.GetFileDataStreamForToken(Factory.BinaryFileRepository, imageFileDataHash));
}