private long GetIndexedDirectoryFilesCount(string path)
{
using (var reader = new IndexFileReader(IndexPaths.GetIdxFilePath(path)))
{
return(reader.ReadAll().Count());
}
}
private void LookForSequenceInIndexedDirectory(MainViewModel vm, string path, string sequence, ICollection <SearchCondition> conditions = null)
{
using (var reader = new IndexFileReader(IndexPaths.GetIdxFilePath(path)))
{
IEnumerable <IndexedItem> items = reader.ReadAll();
//Parallel.ForEach(items, (item) =>
//{
foreach (var item in items)
{
var size = (double)item.Length / 1024 / 1024;
if (CheckSearchConditions(item, conditions) && CheckDateRange(item, vm.SearchDatesRange) && CheckSizeRange(item, vm.SizeRange))
{
if (sequence.Equals("*") || item.Name.ToLower().Contains(sequence.ToLower()))
{
vm.SearchResults.Add(item);
vm.TotalFilesMatch++;
_cancellationToken.ThrowIfCancellationRequested();
}
vm.TotalFilesSize += size;
vm.TotalFilesCount++;
vm.CurrentProgressBarValue++;
}
}
//});
}
}
private void Index(string path, ProgressDialog dialog)
{
IList <IndexedItem> items = GetFilesToIndex(new DirectoryInfo(path), dialog);
if (dialog.CancellationPending)
{
File.Delete(IndexPaths.GetIdxFilePath(path));
return;
}
using (var writer = new IndexFileWriter(IndexPaths.GetIdxFilePath(path)))
{
writer.Write(items);
}
}
private void Search(object sender, DoWorkEventArgs e)
{
var watch = new Stopwatch();
watch.Start();
var vm = e.Argument as MainViewModel;
List <SearchCondition> searchConditions = vm.SearchConditions.Select(p => p.Condition).ToList();
var search = Task.Factory.StartNew(() =>
{
foreach (PathItem directory in vm.SearchPaths)
{
_cancellationToken.ThrowIfCancellationRequested();
if (directory.Checked)
{
if (!vm.DeepSearch && vm.SearchIndexed && IndexPaths.IdxExists(directory.Path))
{
LookForSequenceInIndexedDirectory(vm, directory.Path, vm.SearchSequence, searchConditions);
}
else
{
LookForSequenceInDirectory(vm, new DirectoryInfo(directory.Path), vm.SearchSequence, true, searchConditions);
}
}
}
}, _cancellationToken);
var getSize = Task.Factory.StartNew(() =>
{
long result = 0;
foreach (PathItem directory in vm.SearchPaths)
{
_cancellationToken.ThrowIfCancellationRequested();
if (directory.Checked)
{
if (!vm.DeepSearch && vm.SearchIndexed && IndexPaths.IdxExists(directory.Path))
{
result += GetIndexedDirectoryFilesCount(directory.Path);
}
else
{
result += GetFilesCount(new DirectoryInfo(directory.Path), vm, searchConditions);
}
}
}
return(result);
}, _cancellationToken).ContinueWith(task => vm.ProgressBarMaxValue = task.Result, _cancellationToken);
Task.WaitAll(search);
// GC forgets to collect the last byte[] read, so we want to collect them
_cancellationTokenSource.Cancel();
GC.Collect();
watch.Stop();
vm.CurrentProgressBarValue = 0;
vm.ProgressBarMaxValue = 0;
var builder = new StringBuilder();
if (Debugger.IsAttached)
{
builder.AppendFormat("Everything took {0} \n", watch.Elapsed);
builder.AppendFormat("Scanned {0} files \n", vm.TotalFilesCount);
builder.AppendFormat("Average time for one file is {0}", TimeSpan.FromMilliseconds(((double)watch.ElapsedMilliseconds / vm.TotalFilesCount)));
}
else
{
builder.Append("Finished!");
}
MessageBox.Show(builder.ToString(), "Finished", MessageBoxButton.OK, MessageBoxImage.Information);
}
