Improves existing file warnings

Author: gfrn

WPFMETRO/Localization/Strings.Designer.cs

@@ -138,6 +138,9 @@
   <data name="AlertOnFinish" xml:space="preserve">
     <value>Alertar ao Fim</value>
   </data>
+  <data name="AlreadyDownloaded" xml:space="preserve">
+    <value>Este vídeo já foi baixado com este nome de arquivo</value>
+  </data>
   <data name="AreYouSure" xml:space="preserve">
     <value>Você tem certeza?</value>
   </data>

WPFMETRO/Localization/Strings.pt-BR.resx

@@ -138,6 +138,9 @@
   <data name="AlertOnFinish" xml:space="preserve">
     <value>Alert on Finish</value>
   </data>
+  <data name="AlreadyDownloaded" xml:space="preserve">
+    <value>File has already been downloaded under this file name</value>
+  </data>
   <data name="AreYouSure" xml:space="preserve">
     <value>Are you sure?</value>
   </data>

WPFMETRO/Localization/Strings.resx

@@ -152,13 +152,13 @@ private async void SelectButton_Click(object sender, RoutedEventArgs e)
                 DownloadStatus.Text = Localization.Strings.RetrevingFormats;
 
                 await Task.Run(() => formats=queue.GetFormats(Url));
-                await Task.Run(() => videoInfo = queue.GetInfo(Url));
+                await Task.Run(() => videoInfo=queue.GetInfo(Url));
 
                 if (formats.Count > 0)
                 {
                     FiletypeBox.IsEnabled = AddToQueueButton.IsEnabled = true;
                     UrlBox.Background = Brushes.DarkGreen;
-                    FiletypeBox.SelectedIndex = 0;
+                    FiletypeBox.SelectedItem = formats.First();
                 }
                 else
                 {
@@ -328,6 +328,27 @@ private void AddToQueueButton_Click(object sender, RoutedEventArgs e)
             string title = videoInfo[0];
             string thumbURL = videoInfo[1] == "N.A" ? null : videoInfo[1];
 
+            if (filetype == null)
+            {
+                MessageBox.Show(Localization.Strings.PleaseSelectFormat);
+                return;
+            }
+
+            string fullpath = filename == "%(title)s.%(ext)s" ? path + title + "." : path + filename + ".";
+            fullpath += formats[filetype].Contains(' ') ? formats[filetype].Substring(0, formats[filetype].IndexOf(' ')) : formats[filetype];
+            if (File.Exists(fullpath))
+            {
+                MessageBoxResult userDialogResult = MessageBox.Show(Localization.Strings.FileExists, Localization.Strings.Error, MessageBoxButton.YesNo, MessageBoxImage.Warning);
+                if (userDialogResult == MessageBoxResult.Yes)
+                {
+                    File.Delete(fullpath);
+                }
+                else
+                {
+                    return;
+                }
+            }
+
             DownloadStatus.Text = Localization.Strings.GettingTitle;
 
             queue.ModifyQueue(title, thumbURL, ID, filename, path, filetype, formats);

WPFMETRO/MainWindow.xaml.cs

@@ -220,25 +220,6 @@ public void DownloadChannel(string ID, string filename, string path, string file
 
         public void ModifyQueue(string title, string thumbURL, string ID, string filename, string path, string filetype, Dictionary<string, string> formats)
         {
-            if(filetype == null)
-            {
-                MessageBox.Show(Localization.Strings.PleaseSelectFormat);
-                return;
-            }
-
-            string fullpath = filename == "%(title)s.%(ext)s" ? path + title + "." + formats[filetype] : path + filename + "." + formats[filetype];
-            if (File.Exists(fullpath))
-            {
-                MessageBoxResult userDialogResult = MessageBox.Show(Localization.Strings.FileExists, Localization.Strings.Error, MessageBoxButton.YesNo, MessageBoxImage.Warning);
-                if(userDialogResult == MessageBoxResult.Yes)
-                {
-                    File.Delete(fullpath);
-                }
-                else
-                {
-                    return;
-                }
-            }
             if (ID.Contains("youtu.be/") || ID.Contains("youtube.com/"))
             {
                 if (ID.Contains("playlist"))

WPFMETRO/Queue.cs

@@ -86,6 +86,12 @@ public void DownloadVideo()
                 {
                     output = f.Data ?? "null";
 
+                    if(output.Contains("has already been downloaded"))
+                    {
+                        MessageBox.Show(Localization.Strings.AlreadyDownloaded, Localization.Strings.Error);
+                        completedDownload = true;
+                    }
+
                     if (output.Contains("[download]") && output.Contains("of"))
                     {
                         if (output.Contains("at") && output.Contains("MiB") && !output.Contains("Destination"))