private IEnumerable <Directory> GetAllDirectories_QueryEachLevel(string[] exclusions = null)
{
List <Google.Apis.Drive.v2.Data.File> folders = new List <Google.Apis.Drive.v2.Data.File>()
{
root
};
Google.Apis.Drive.v2.Data.File[] pass = new Google.Apis.Drive.v2.Data.File[] { root };
// Rebuild folder hierarchy
while (true)
{
string parentsQuery = string.Join(" or ", pass.Select(f => string.Format("'{0}' in parents", f.Id)));
FilesResource.ListRequest request = Service.Files.List();
request.Q = string.Format("trashed = false and mimeType = '{0}' and ({1})", GoogleDriveDirectory.MimeType, parentsQuery);
request.Fields = "items(id,title,parents,fileSize)";
request.MaxResults = 1000;
pass = request.Execute().Items.ToArray();
folders.AddRange(pass);
if (pass.Length == 0)
{
break;
}
}
// Wrap all folders and rebuild parents
List <GoogleDriveDirectory> directories = new List <GoogleDriveDirectory>();
foreach (Google.Apis.Drive.v2.Data.File folder in folders)
{
if (folder.Id == root.Id)
{
directories.Add(new GoogleDriveDirectory(this, null, folder));
}
else
{
directories.Add(new GoogleDriveDirectory(this, directories.First(d => d.folder.Id == folder.Parents.Single().Id), folder));
}
}
// Return each directory
foreach (GoogleDriveDirectory directory in directories)
{
if (exclusions != null && exclusions.Any(e => MatchPattern(directory.Path, e)))
{
continue;
}
yield return(directory);
}
}
