Add filters, throttling, and connection test

clients/photobooth-uploader/PhotoboothUploader/MainWindow.axaml

@@ -65,6 +65,16 @@
                     <TextBox x:Name="BaseUrlBox" Watermark="https://fotospiel.app" />
                     <TextBlock Text="Max. parallele Uploads" />
                     <TextBox x:Name="MaxUploadsBox" Watermark="2" />
+                    <TextBlock Text="Upload-Tempo" />
+                    <ComboBox x:Name="UploadTempoBox" SelectedIndex="1">
+                        <ComboBoxItem Content="Schnell (ohne Pause)" />
+                        <ComboBoxItem Content="Normal" />
+                        <ComboBoxItem Content="Sanft (schont Netzwerk)" />
+                    </ComboBox>
+                    <TextBlock Text="Nur diese Dateien (optional)" />
+                    <TextBox x:Name="IncludePatternsBox" Watermark="*.jpg;*.jpeg;*.png" />
+                    <TextBlock Text="Dateien ausschliessen (optional)" />
+                    <TextBox x:Name="ExcludePatternsBox" Watermark="*_preview*;*.tmp" />
                     <TextBlock Text="Manuelle Zugangsdaten (optional)" FontWeight="SemiBold" Margin="0,8,0,0" />
                     <TextBlock Text="Diese Felder ueberschreiben den Verbindungscode." Classes="subtitle" TextWrapping="Wrap" />
                     <TextBlock Text="Upload-URL" />
@@ -73,6 +83,7 @@
                     <TextBox x:Name="ManualUsernameBox" />
                     <TextBlock Text="Passwort" />
                     <TextBox x:Name="ManualPasswordBox" PasswordChar="•" />
+                    <Button x:Name="TestConnectionButton" Content="Verbindung testen" Click="TestConnectionButton_Click" Classes="secondary" />
                     <Button x:Name="SaveAdvancedButton" Content="Speichern" Click="SaveAdvancedButton_Click" Classes="primary" />
                 </StackPanel>
             </Border>

clients/photobooth-uploader/PhotoboothUploader/MainWindow.axaml.cs

@@ -6,6 +6,8 @@ using System.Collections.ObjectModel;
 using System.Reflection;
 using System.Threading;
 using System.Threading.Tasks;
+using System.Net.Http;
+using System.Net.Http.Headers;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
 using Avalonia.Platform.Storage;
@@ -172,6 +174,9 @@ public partial class MainWindow : Window
 
         BaseUrlBox.Text = _settings.BaseUrl ?? DefaultBaseUrl;
         MaxUploadsBox.Text = _settings.MaxConcurrentUploads.ToString();
+        UploadTempoBox.SelectedIndex = ResolveUploadTempoIndex(_settings.UploadDelayMs);
+        IncludePatternsBox.Text = _settings.IncludePatterns ?? string.Empty;
+        ExcludePatternsBox.Text = _settings.ExcludePatterns ?? string.Empty;
         ManualUploadUrlBox.Text = _settings.UploadUrl ?? string.Empty;
         ManualUsernameBox.Text = _settings.Username ?? string.Empty;
         ManualPasswordBox.Text = string.Empty;
@@ -446,6 +451,17 @@ public partial class MainWindow : Window
 
     private bool ShouldSkipUpload(string path)
     {
+        var fileName = Path.GetFileName(path);
+        if (!MatchesIncludePatterns(fileName))
+        {
+            return true;
+        }
+
+        if (MatchesExcludePatterns(fileName))
+        {
+            return true;
+        }
+
         var signature = GetUploadSignature(path);
         if (signature is null)
         {
@@ -534,6 +550,9 @@ public partial class MainWindow : Window
 
         _settings.BaseUrl = normalizedBaseUrl;
         _settings.MaxConcurrentUploads = maxUploads;
+        _settings.UploadDelayMs = ResolveUploadDelay(UploadTempoBox.SelectedIndex);
+        _settings.IncludePatterns = NormalizePatternInput(IncludePatternsBox.Text);
+        _settings.ExcludePatterns = NormalizePatternInput(ExcludePatternsBox.Text);
 
         if (!string.IsNullOrWhiteSpace(manualUploadUrl))
         {
@@ -569,6 +588,40 @@ public partial class MainWindow : Window
         UpdateStatus("Einstellungen gespeichert.");
     }
 
+    private async void TestConnectionButton_Click(object? sender, RoutedEventArgs e)
+    {
+        var targetUrl = ResolveTestUrl();
+        if (targetUrl is null)
+        {
+            UpdateStatus("Bitte eine gültige Upload-URL oder Basis-URL speichern.");
+            return;
+        }
+
+        UpdateStatus("Verbindung wird getestet...");
+
+        try
+        {
+            using var client = new HttpClient
+            {
+                Timeout = TimeSpan.FromSeconds(8),
+            };
+            client.DefaultRequestHeaders.UserAgent.ParseAdd(_userAgent);
+            client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
+            using var request = new HttpRequestMessage(HttpMethod.Head, targetUrl);
+            using var response = await client.SendAsync(request);
+            var status = $"{(int)response.StatusCode} {response.ReasonPhrase}".Trim();
+            UpdateStatus($"Server erreichbar ({status}).");
+        }
+        catch (TaskCanceledException)
+        {
+            UpdateStatus("Verbindungstest: Zeitüberschreitung.");
+        }
+        catch (HttpRequestException)
+        {
+            UpdateStatus("Verbindungstest: Netzwerkfehler.");
+        }
+    }
+
     private async void TestUploadButton_Click(object? sender, RoutedEventArgs e)
     {
         if (string.IsNullOrWhiteSpace(_settings.UploadUrl))
@@ -814,4 +867,159 @@ public partial class MainWindow : Window
         _settings.PendingUploads ??= new List<string>();
         _settings.UploadedFiles ??= new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
     }
+
+    private string? ResolveTestUrl()
+    {
+        var manual = NormalizeUrl(ManualUploadUrlBox.Text);
+        if (!string.IsNullOrWhiteSpace(manual))
+        {
+            return manual;
+        }
+
+        if (!string.IsNullOrWhiteSpace(_settings.UploadUrl))
+        {
+            return _settings.UploadUrl;
+        }
+
+        var normalizedBase = NormalizeBaseUrl(BaseUrlBox.Text);
+        return normalizedBase;
+    }
+
+    private static string? NormalizeUrl(string? value)
+    {
+        if (string.IsNullOrWhiteSpace(value))
+        {
+            return null;
+        }
+
+        var trimmed = value.Trim();
+        if (Uri.TryCreate(trimmed, UriKind.Absolute, out _))
+        {
+            return trimmed;
+        }
+
+        return null;
+    }
+
+    private static int ResolveUploadDelay(int selectedIndex)
+    {
+        return selectedIndex switch
+        {
+            0 => 0,
+            2 => 1500,
+            _ => 500,
+        };
+    }
+
+    private static int ResolveUploadTempoIndex(int delay)
+    {
+        if (delay <= 0)
+        {
+            return 0;
+        }
+
+        if (delay >= 1500)
+        {
+            return 2;
+        }
+
+        return 1;
+    }
+
+    private static string NormalizePatternInput(string? input)
+    {
+        if (string.IsNullOrWhiteSpace(input))
+        {
+            return string.Empty;
+        }
+
+        var parts = SplitPatterns(input);
+        return string.Join(';', parts);
+    }
+
+    private bool MatchesIncludePatterns(string fileName)
+    {
+        var patterns = SplitPatterns(_settings.IncludePatterns);
+        if (patterns.Count == 0)
+        {
+            return true;
+        }
+
+        return patterns.Any(pattern => IsPatternMatch(fileName, pattern));
+    }
+
+    private bool MatchesExcludePatterns(string fileName)
+    {
+        var patterns = SplitPatterns(_settings.ExcludePatterns);
+        if (patterns.Count == 0)
+        {
+            return false;
+        }
+
+        return patterns.Any(pattern => IsPatternMatch(fileName, pattern));
+    }
+
+    private static List<string> SplitPatterns(string? input)
+    {
+        if (string.IsNullOrWhiteSpace(input))
+        {
+            return new List<string>();
+        }
+
+        return input
+            .Split(new[] { ';', ',', '\n' }, StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)
+            .Where(pattern => pattern.Length > 0)
+            .ToList();
+    }
+
+    private static bool IsPatternMatch(string fileName, string pattern)
+    {
+        var span = fileName.AsSpan();
+        var token = pattern.AsSpan();
+        return IsPatternMatch(span, token);
+    }
+
+    private static bool IsPatternMatch(ReadOnlySpan<char> text, ReadOnlySpan<char> pattern)
+    {
+        var textIndex = 0;
+        var patternIndex = 0;
+        var starIndex = -1;
+        var matchIndex = 0;
+
+        while (textIndex < text.Length)
+        {
+            if (patternIndex < pattern.Length
+                && (pattern[patternIndex] == '?' || char.ToLowerInvariant(pattern[patternIndex]) == char.ToLowerInvariant(text[textIndex])))
+            {
+                textIndex++;
+                patternIndex++;
+                continue;
+            }
+
+            if (patternIndex < pattern.Length && pattern[patternIndex] == '*')
+            {
+                starIndex = patternIndex;
+                matchIndex = textIndex;
+                patternIndex++;
+                continue;
+            }
+
+            if (starIndex != -1)
+            {
+                patternIndex = starIndex + 1;
+                matchIndex++;
+                textIndex = matchIndex;
+                continue;
+            }
+
+            return false;
+        }
+
+        while (patternIndex < pattern.Length && pattern[patternIndex] == '*')
+        {
+            patternIndex++;
+        }
+
+        return patternIndex == pattern.Length;
+    }
 }

clients/photobooth-uploader/PhotoboothUploader/Models/PhotoboothSettings.cs

@@ -12,11 +12,14 @@ public sealed class PhotoboothSettings
     public string? Password { get; set; }
     public string? ResponseFormat { get; set; }
     public string? WatchFolder { get; set; }
+    public string? IncludePatterns { get; set; }
+    public string? ExcludePatterns { get; set; }
     public List<string> PendingUploads { get; set; } = new();
     public Dictionary<string, string> UploadedFiles { get; set; } = new(StringComparer.OrdinalIgnoreCase);
     public string? LastError { get; set; }
     public string? LastErrorAt { get; set; }
     public int MaxConcurrentUploads { get; set; } = 2;
+    public int UploadDelayMs { get; set; } = 500;
     public double WindowWidth { get; set; }
     public double WindowHeight { get; set; }
 }

clients/photobooth-uploader/PhotoboothUploader/Services/UploadService.cs

@@ -108,6 +108,10 @@ public sealed class UploadService
                 finally
                 {
                     _pending.TryRemove(path, out _);
+                    if (settings.UploadDelayMs > 0)
+                    {
+                        await Task.Delay(settings.UploadDelayMs, token);
+                    }
                 }
             }
         }