private WfContent SaveAttachment(string parentPath, Attachment attachment, bool overwrite)
{
var parent = Node.LoadNode(parentPath);
if (parent == null)
{
throw new ApplicationException("Cannot create content because parent does not exist. Path: " + parentPath);
}
var fileAttachment = attachment as FileAttachment;
var name = fileAttachment.Name;
// check existing file
var node = Node.LoadNode(RepositoryPath.Combine(parentPath, name));
var contentTypeName = UploadHelper.GetContentType(name, parentPath) ?? "File";
File file;
if (node == null)
{
// file does not exist, create new one
file = CreateAttachment.CreateFileContent(contentTypeName, parent, name);
if (file == null)
{
return(null);
}
}
else
{
// file exists
if (overwrite)
{
// overwrite it, so we open it
file = node as File;
// node exists and it is not a file -> delete it and create a new one
if (file == null)
{
node.ForceDelete();
file = CreateAttachment.CreateFileContent(contentTypeName, parent, name);
if (file == null)
{
return(null);
}
}
file.Name = name;
}
else
{
// do not overwrite it
file = CreateAttachment.CreateFileContent(contentTypeName, parent, name);
if (file == null)
{
return(null);
}
file.AllowIncrementalNaming = true;
}
}
file.DisableObserver(typeof(WorkflowNotificationObserver));
try
{
// also saves the content
ExchangeHelper.SetAttachment(file, fileAttachment);
}
catch (Exception e)
{
Logger.WriteException(e);
}
return(new WfContent(file));
}
