//public delegate void DoSomething(int a); ==Action<int>
//public delegate int DoSomething(int a); ==Func<int, int>
//FileSystemVisitor(FileSystemBlaBla fs)
//{
// this.fs = fs;
//}
public List <string> GetFiles(Func <FileSystemInfo, bool> condition, FileSystemInfo dirFiles)
{
var result = new List <string>();
//logic for looping through files
try
{
OnSearchStart?.Invoke("Search has started");
foreach (string d in Directory.GetDirectories(dirFiles.ToString()))
{
if (Stop)
{
return(result);
}
var dir = new DirectoryInfo(d);
if (condition(dir))
{
if (!Exclude)
{
result.Add(d);
}
Exclude = false;
OnDirectoryFound?.Invoke(dir);
}
var r = GetFiles(d => condition(d), dir);
result.AddRange(r);
}
foreach (string f in Directory.GetFiles(dirFiles.ToString()))
{
if (Stop)
{
return(result);
}
var fi = new FileInfo(f);
if (condition(fi))
{
if (!Exclude)
{
result.Add(f);
}
OnFileFound?.Invoke(fi);
}
}
}
catch (System.Exception excpt)
{
Console.WriteLine(excpt.Message);
}
OnSearchFinish?.Invoke("Search has finished");
return(result);
}
protected override void OnQueryChanged(string oldValue, string newValue)
{
base.OnQueryChanged(oldValue, newValue);
if (string.IsNullOrWhiteSpace(newValue))
{
ItemsSource = null;
}
else
{
if (newValue.Trim().Length >= 3)
{
// Cancels the current execution
if (cancellationTokenSource != null)
{
cancellationTokenSource.Cancel();
}
cancellationTokenSource = new CancellationTokenSource();
Task.Run(async() =>
{
var token = cancellationTokenSource.Token;
await Task.Delay(SearchDelay);
if (!token.IsCancellationRequested)
{
OnSearchStart?.Invoke();
ItemsSource = await LynxDependencyService.Get <ITasqR>()
.UsingAsHandler <GetBillPaymentStepsTemplatesQrHandler_API>()
.RunAsync(new GetBillPaymentStepsTemplatesQr(3, newValue.Trim()), token);
OnSearchEnd?.Invoke();
}
}, cancellationTokenSource.Token);
}
}
}
