public void TestSetMetadata()
{
var fileInfo = UploadHelloWorld();
Assert.IsNull(fileInfo.Metadata);
var metadata = new BsonDocument {
{ "a", 1 }, { "b", 2 }
};
_gridFS.SetMetadata(fileInfo, metadata);
fileInfo.Refresh();
Assert.AreEqual(metadata, fileInfo.Metadata);
_gridFS.SetMetadata(fileInfo, null);
fileInfo.Refresh();
Assert.IsNull(fileInfo.Metadata);
}
private void InternalMoveFile(string fromVirtualPath, string destinationVirtualPath)
{
MongoGridFS mongoGridFs = GetGridFS();
string fixedDestinationPath = FixPath(destinationVirtualPath);
mongoGridFs.MoveTo(FixPath(fromVirtualPath), fixedDestinationPath);
MongoGridFSFileInfo fileInfo = mongoGridFs.FindOne(fixedDestinationPath);
mongoGridFs.SetMetadata(fileInfo, CreateMetadata(fixedDestinationPath, fileInfo.Metadata["is_directory"] == new BsonBoolean(true)));
}
public void CopyFile(string fromVirtualPath, string destinationVirtualPath)
{
MongoGridFS mongoGridFs = GetGridFS();
string fixedDestinationPath = FixPath(destinationVirtualPath);
mongoGridFs.CopyTo(FixPath(fromVirtualPath), fixedDestinationPath);
MongoGridFSFileInfo fileInfo = mongoGridFs.FindOne(fixedDestinationPath);
mongoGridFs.SetMetadata(fileInfo, CreateMetadata(fixedDestinationPath, false));
if (FileCopied != null)
{
FileCopied.Invoke(this, new FileEventArgs(destinationVirtualPath, fromVirtualPath));
}
}
public Stream OpenFile(string virtualPath, bool readOnly = false)
{
string fixedPath = FixPath(virtualPath);
if (!FileExists(fixedPath) && !readOnly)
{
InternalWriteFile(fixedPath, new MemoryStream(new byte[0]));
}
MongoGridFS gridFs = GetGridFS();
if (readOnly)
{
return(gridFs.OpenRead(fixedPath));
}
MongoGridFSFileInfo fileInfo = gridFs.FindOne(fixedPath);
gridFs.SetMetadata(fileInfo, CreateMetadata(fixedPath, false));
return(gridFs.OpenWrite(fixedPath));
}
/// <summary>
/// update security attributes
/// </summary>
/// <param name="filepath"></param>
/// <param name="ownerId"></param>
/// <param name="roles"></param>
/// <returns></returns>
public IStorageFile UpdateSecurityInfo(string filepath, Guid?ownerId, List <Guid> roles)
{
if (string.IsNullOrWhiteSpace(filepath))
{
throw new ArgumentException("filepath cannot be null or empty");
}
//all filepaths are lowercase and all starts with folder separator
filepath = filepath.ToLowerInvariant();
if (!filepath.StartsWith(FOLDER_SEPARATOR))
{
filepath = FOLDER_SEPARATOR + filepath;
}
var file = gfs.FindOne(filepath);
if (file == null)
{
throw new ArgumentException("file does not exist.");
}
BsonDocument metadata = new BsonDocument();
metadata.Add(new BsonElement("owner_id", ownerId));
BsonArray rolesArr = new BsonArray();
if (roles != null && roles.Count > 0)
{
foreach (var roleId in roles)
{
rolesArr.Add(BsonValue.Create(roleId));
}
}
metadata.Add(new BsonElement("available_to_roles", rolesArr));
gfs.SetMetadata(file, metadata);
return(Find(filepath));
}
