Modified pdf conversion to actually have correct progress

PdfTool/Controller/ImageToPdfConvertAction.cs

@@ -6,6 +6,17 @@
 namespace PdfTool.Controller;
 
 public readonly struct ImageToPdfConvertAction : IAction<string> {
+    private readonly ThreadSafe<double> _counter;
+    private static readonly IModifier<double> Adder = new Adder();
+    private readonly int _total;
+    private readonly IProgress<double> _progress;
+
+    public ImageToPdfConvertAction(ThreadSafe<double> counter, int total, IProgress<double> progress) {
+        _counter = counter;
+        _total = total;
+        _progress = progress;
+    }
+
     public void Invoke(string input) {
         using var document = new PdfDocument();
         document.Info.Title = Path.GetFileNameWithoutExtension(input);
@@ -26,6 +37,9 @@ public void Invoke(string input) {
         if (document.PageCount > 0) {
             document.Save(resultPath);
         }
+
+        var progress = Adder.Modify(_counter.Value, 1d) * 100d / _total;
+        _progress.Report(progress);
     }
 
     /// <summary>

PdfTool/Controller/ImageToPdfConverter.cs

@@ -15,8 +15,12 @@ static ImageToPdfConverter() {
     /// Batch converts images to pdfs and saves them to the same directory as the first file
     /// </summary>
     /// <param name="filePaths"></param>
-    public static Result ConvertImages(string[] filePaths) {
-        var converter = new ImageToPdfConvertAction();
+    public static Result ConvertImages(string[] filePaths, IProgress<double> progress) {
+        var counter = new ThreadSafe<double>(0d);
+        var converter = new ImageToPdfConvertAction(
+            counter,
+            filePaths.Length,
+            progress);
         filePaths.Concurrent().ForEach(converter);
 
         return Result.Ok("Conversion successful.");