Add option to create missing directories automatically

src/SimpleVideoCutter/Actions/MoveOriginalFileToDirectory.cs

@@ -1,7 +1,6 @@
 using System;
 using System.IO;
-using System.Threading;
-using System.Threading.Tasks;
+using static SimpleVideoCutter.FileHelper;
 
 namespace SimpleVideoCutter.Actions
 {
@@ -26,9 +25,12 @@ public MoveOriginalFileToDirectory(string originalFilePath, string targetDirecto
         public void Execute()
         {
             this.ActionExecuting?.Invoke(this, new ActionExecutingEventArgs(this, ActionName));
-            string TargetPath = Path.Combine(TargetDirectory, Path.GetFileName(OriginalFilePath));
+
+            string targetPath = Path.Combine(TargetDirectory, Path.GetFileName(OriginalFilePath));
 
-            File.Move(this.OriginalFilePath, TargetPath);
+            MaybeCreateParentDirectory(targetPath);
+
+            File.Move(this.OriginalFilePath, targetPath);
         }
     }
 }

src/SimpleVideoCutter/Actions/MoveOriginalFileToRelativeDirectory.cs

@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using static SimpleVideoCutter.FileHelper;
 
 namespace SimpleVideoCutter.Actions
 {
@@ -24,8 +25,12 @@ public MoveOriginalFileToRelativeDirectory(string originalFilePath, string targe
         public void Execute()
         {
             this.ActionExecuting?.Invoke(this, new ActionExecutingEventArgs(this, ActionName));
+
             string targetDirectory = Path.Combine(Path.GetDirectoryName(this.OriginalFilePath) ?? ".", this.TargetRelativeDirectory);
             string targetPath = Path.Combine(targetDirectory, Path.GetFileName(this.OriginalFilePath));
+
+            MaybeCreateParentDirectory(targetPath);
+
             File.Move(this.OriginalFilePath, targetPath);
         }
     }

src/SimpleVideoCutter/FileHelper.cs

@@ -0,0 +1,22 @@
+using System.IO;
+
+namespace SimpleVideoCutter
+{
+    internal class FileHelper
+    {        
+        public static void MaybeCreateParentDirectory(string? path)
+        {
+            if (path != null && VideoCutterSettings.Instance.CreateMissingDirectories)
+            {
+                string? parentDirectory = Path.GetDirectoryName(path);
+
+                if (parentDirectory == null)
+                {
+                    return;
+                }
+
+                Directory.CreateDirectory(parentDirectory);
+            }
+        }
+    }
+}

src/SimpleVideoCutter/FormSettings.cs

@@ -82,6 +82,7 @@ private void SettingsToGUI()
                 .Checked = true;
             textBoxOriginalFileAfterCutAbsoluteTargetDirectory.Text = settings.OriginalFileAfterCutAbsoluteTargetDirectory;
             comboBoxOriginalFileAfterCutRelativeTargetDirectory.Text = settings.OriginalFileAfterCutRelativeTargetDirectory;
+            checkBoxCreateMissingDirectories.Checked = settings.CreateMissingDirectories;
 
             SetBackgroundOfFFmpegPath();
         }
@@ -99,6 +100,7 @@ private void GUIToSettings()
             settings.OriginalFileActionAfterCut = groupOriginalFileActions.Controls.OfType<RadioButton>().First(rb => rb.Checked).Tag?.ToString() ?? "keep";
             settings.OriginalFileAfterCutAbsoluteTargetDirectory = textBoxOriginalFileAfterCutAbsoluteTargetDirectory.Text;
             settings.OriginalFileAfterCutRelativeTargetDirectory = comboBoxOriginalFileAfterCutRelativeTargetDirectory.Text;
+            settings.CreateMissingDirectories = checkBoxCreateMissingDirectories.Checked;
 
             // TODO: parse VideoFilesExtensions