InputHandler, CreateContainer user command

src/GuiApp/Avalonia/FileTime.GuiApp/Services/DialogService.cs

@@ -0,0 +1,59 @@
+using System.Reactive.Linq;
+using DynamicData;
+using FileTime.App.Core.Services;
+using FileTime.Core.Interactions;
+using FileTime.GuiApp.ViewModels;
+
+namespace FileTime.GuiApp.Services;
+
+public class DialogService : IDialogService
+{
+    private readonly IModalService _modalService;
+
+    public IObservable<ReadInputsViewModel?> ReadInput { get; }
+
+    public DialogService(IModalService modalService)
+    {
+        _modalService = modalService;
+        ReadInput = modalService
+            .OpenModals
+            .ToCollection()
+            .Select(modals =>
+                (ReadInputsViewModel?)modals.FirstOrDefault(m => m is ReadInputsViewModel)
+            )
+            .Publish(null)
+            .RefCount();
+    }
+
+    public void ReadInputs(IEnumerable<IInputElement> inputs, Action inputHandler, Action? cancelHandler = null)
+    {
+        var modalViewModel = new ReadInputsViewModel(HandleReadInputsSuccess, HandleReadInputsCancel)
+        {
+            Inputs = inputs.ToList(),
+            SuccessHandler = inputHandler,
+            CancelHandler = cancelHandler
+        };
+
+        _modalService.OpenModal(modalViewModel);
+    }
+
+    private void HandleReadInputsSuccess(ReadInputsViewModel readInputsViewModel)
+    {
+        _modalService.CloseModal(readInputsViewModel);
+        readInputsViewModel.SuccessHandler.Invoke();
+    }
+
+    private void HandleReadInputsCancel(ReadInputsViewModel readInputsViewModel)
+    {
+        _modalService.CloseModal(readInputsViewModel);
+        readInputsViewModel.CancelHandler?.Invoke();
+    }
+
+    public Task<bool> ReadInputs(IEnumerable<IInputElement> fields)
+    {
+        var taskCompletionSource = new TaskCompletionSource<bool>();
+        ReadInputs(fields, () => taskCompletionSource.SetResult(true), () => taskCompletionSource.SetResult(false));
+        
+        return taskCompletionSource.Task;
+    }
+}