public QueryFileSystemResponse Execute(QueryFileSystemRequest request)
{
// check input uri
var uri = request.DirectoryUri;
if (String.IsNullOrWhiteSpace(uri))
{
throw new Exception($"Input URI is not provided");
}
if (!Directory.Exists(uri))
{
throw new Exception($"Input URI '{uri}' does not exist or is not accessible");
}
// set up searching
var searchPattern = request.FilePattern ?? "*.*";
var searchOption = request.Recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
// execute file search
var response = new QueryFileSystemResponse(request);
var dir = new DirectoryInfo(request.DirectoryUri);
// start state
var execute = new BaseExecute(request);
// TODO HACK
if (true || request.Verbose)
{
// enumerate files and optionally supress errors
var files = new List <FileInfo>();
foreach (var file in dir.EnumerateFiles(searchPattern))
{
try
{
files.Add(file);
execute.SetState(new BaseFileSytemState(file));
}
catch (Exception ex)
{
// log exception and re-throw if not silent
response.Errors.Add(file.FullName, ex);
execute.SetState(new BaseFileSytemState(file, ex));
if (!request.Silent)
{
throw ex;
}
}
}
if (request.Recursive)
{
foreach (var sub in dir.EnumerateDirectories())
{
//execute.SetState(new ChecksumSystemState(sub));
try
{
foreach (var file in sub.EnumerateFiles(searchPattern, searchOption))
{
try
{
files.Add(file);
execute.SetState(new BaseFileSytemState(file));
}
catch (Exception ex)
{
// log exception and re-throw if not silent
response.Errors.Add(file.FullName, ex);
execute.SetState(new BaseFileSytemState(file, ex));
if (!request.Silent)
{
throw ex;
}
}
}
}
catch (Exception ex)
{
// log exception and re-throw if not silent
response.Errors.Add(sub.FullName, ex);
//execute.SetState(new ChecksumSystemState(sub, ChecksumSystemStatus.Unknown, ex));
if (!request.Silent)
{
throw ex;
}
}
}
}
response.Files = files.ToArray();
}
else
{
// just get all of the files at once
try
{
response.Files = dir.GetFiles(searchPattern, searchOption);
}
catch (Exception ex)
{
// log exception and re-throw if not silent
response.Errors.Add($"Directory = {dir?.FullName}", ex);
if (!request.Silent)
{
throw ex;
}
}
}
// return results
response.SetCompleted(execute.State);
return(response);
}
private void UpdateState(QueryFileSystemRequest request, QueryFileSystemResponse response, BaseFileSytemState state)
{
//response.State.Add(state);
//request.OnQueryFileSystemStateChange?.Invoke(state);
}