refactor: OpenAI integration

* supports configure multiple services
* supports select service when generate commit message by OpenAI

Signed-off-by: leo <longshuang@msn.cn>

src/Views/AIAssistant.axaml.cs

@@ -17,12 +17,14 @@ namespace SourceGit.Views
             InitializeComponent();
         }
 
-        public AIAssistant(string repo, List<Models.Change> changes, Action<string> onDone)
+        public AIAssistant(Models.OpenAIService service, string repo, List<Models.Change> changes, Action<string> onDone)
         {
+            _service = service;
             _repo = repo;
             _changes = changes;
             _onDone = onDone;
             _cancel = new CancellationTokenSource();
+
             InitializeComponent();
         }
 
@@ -35,7 +37,7 @@ namespace SourceGit.Views
 
             Task.Run(() =>
             {
-                var message = new Commands.GenerateCommitMessage(_repo, _changes, _cancel.Token, SetDescription).Result();
+                var message = new Commands.GenerateCommitMessage(_service, _repo, _changes, _cancel.Token, SetDescription).Result();
                 if (_cancel.IsCancellationRequested)
                     return;
 
@@ -63,6 +65,7 @@ namespace SourceGit.Views
             Dispatcher.UIThread.Invoke(() => ProgressMessage.Text = message);
         }
 
+        private Models.OpenAIService _service;
         private string _repo;
         private List<Models.Change> _changes;
         private Action<string> _onDone;

src/Views/Preference.axaml

@@ -412,7 +412,7 @@
               <TextBlock Classes="bold" Margin="4,0,0,0" Text="{DynamicResource Text.Preference.DiffMerge}"/>
             </StackPanel>
             <Rectangle Margin="0,8" Fill="{DynamicResource Brush.Border2}" Height=".6" HorizontalAlignment="Stretch"/>
-            <Grid Margin="8,0,0,0" RowDefinitions="32,Auto">
+            <Grid Margin="8,0,0,8" RowDefinitions="32,Auto">
               <Grid.ColumnDefinitions>
                 <ColumnDefinition Width="Auto" SharedSizeGroup="IntegrationLabel"/>
                 <ColumnDefinition Width="*"/>
@@ -459,82 +459,117 @@
                 </TextBox.InnerRightContent>
               </TextBox>
             </Grid>
-
-            <StackPanel Orientation="Horizontal" Margin="0,24,0,0">
-              <Path Width="12" Height="12" Data="{StaticResource Icons.AIAssist}"/>
-              <TextBlock Classes="bold" Margin="4,0,0,0" Text="{DynamicResource Text.Preference.AI}"/>
-            </StackPanel>
-            <Rectangle Margin="0,8" Fill="{DynamicResource Brush.Border2}" Height=".6" HorizontalAlignment="Stretch"/>
-            <Grid Margin="8,0,0,0" RowDefinitions="32,32,32,32,Auto,Auto">
-              <Grid.ColumnDefinitions>
-                <ColumnDefinition Width="Auto" SharedSizeGroup="IntegrationLabel"/>
-                <ColumnDefinition Width="*"/>
-              </Grid.ColumnDefinitions>
-
-              <TextBlock Grid.Row="0" Grid.Column="0"
-                         Text="{DynamicResource Text.Preference.AI.Server}"
-                         HorizontalAlignment="Right"
-                         Margin="0,0,16,0"/>
-              <TextBox Grid.Row="0" Grid.Column="1"
-                       Height="28"
-                       CornerRadius="3"
-                       Text="{Binding OpenAIServer, Mode=TwoWay}"/>
-
-              <TextBlock Grid.Row="1" Grid.Column="0"
-                         Text="{DynamicResource Text.Preference.AI.Model}"
-                         HorizontalAlignment="Right"
-                         Margin="0,0,16,0"/>
-              <TextBox Grid.Row="1" Grid.Column="1"
-                       Height="28"
-                       CornerRadius="3"
-                       Text="{Binding OpenAIModel, Mode=TwoWay}"/>
-
-              <TextBlock Grid.Row="2" Grid.Column="0"
-                         Text="{DynamicResource Text.Preference.AI.ApiKey}"
-                         HorizontalAlignment="Right"
-                         Margin="0,0,16,0"/>
-              <TextBox Grid.Row="2" Grid.Column="1"
-                       Height="28"
-                       CornerRadius="3"
-                       PasswordChar="*"
-                       Text="{Binding OpenAIApiKey, Mode=TwoWay}"/>
-
-              <ToggleButton Grid.Row="3" Grid.Column="1" Classes="group_expander" x:Name="OpenAIAdvancedOptions" HorizontalAlignment="Right">
-                <TextBlock Margin="0" Text="{DynamicResource Text.Preference.Advanced}"/>
-              </ToggleButton>
-
-              <TextBlock Grid.Row="4" Grid.Column="0"
-                         Text="{DynamicResource Text.Preference.AI.AnalyzeDiffPrompt}"
-                         HorizontalAlignment="Right"
-                         Margin="0,0,16,0"
-                         IsVisible="{Binding #OpenAIAdvancedOptions.IsChecked}"/>
-              <TextBox Grid.Row="4" Grid.Column="1"
-                       Height="120"
-                       Margin="0,2"
-                       CornerRadius="3"
-                       VerticalContentAlignment="Top"
-                       Text="{Binding OpenAIAnalyzeDiffPrompt, Mode=TwoWay}"
-                       AcceptsReturn="true"
-                       TextWrapping="Wrap"
-                       IsVisible="{Binding #OpenAIAdvancedOptions.IsChecked}"/>
-
-              <TextBlock Grid.Row="5" Grid.Column="0"
-                         Text="{DynamicResource Text.Preference.AI.GenerateSubjectPrompt}"
-                         HorizontalAlignment="Right"
-                         Margin="0,0,16,0"
-                         IsVisible="{Binding #OpenAIAdvancedOptions.IsChecked}"/>
-              <TextBox Grid.Row="5" Grid.Column="1"
-                       Height="120"
-                       Margin="0,2"
-                       CornerRadius="3"
-                       VerticalContentAlignment="Top"
-                       Text="{Binding OpenAIGenerateSubjectPrompt, Mode=TwoWay}"
-                       AcceptsReturn="true"
-                       TextWrapping="Wrap"
-                       IsVisible="{Binding #OpenAIAdvancedOptions.IsChecked}"/>
-            </Grid>
           </StackPanel>
         </TabItem>
+
+        <TabItem>
+          <TabItem.Header>
+            <TextBlock Classes="tab_header" Text="{DynamicResource Text.Preference.AI}"/>
+          </TabItem.Header>
+
+          <Grid ColumnDefinitions="200,*" Margin="0,8,0,16" MinHeight="400">
+            <Border Grid.Column="0"
+                    BorderThickness="1" BorderBrush="{DynamicResource Brush.Border2}"
+                    Background="{DynamicResource Brush.Contents}">
+              <Grid RowDefinitions="*,1,Auto">
+                <ListBox Grid.Row="0"
+                         Background="Transparent"
+                         ItemsSource="{Binding OpenAIServices}"
+                         SelectedItem="{Binding #ThisControl.SelectedOpenAIService, Mode=TwoWay}"
+                         SelectionMode="Single">
+                  <ListBox.Styles>
+                    <Style Selector="ListBoxItem">
+                      <Setter Property="MinHeight" Value="0"/>
+                      <Setter Property="Height" Value="26"/>
+                      <Setter Property="Padding" Value="4,2"/>
+                    </Style>
+                  </ListBox.Styles>
+
+                  <ListBox.ItemsPanel>
+                    <ItemsPanelTemplate>
+                      <StackPanel Orientation="Vertical"/>
+                    </ItemsPanelTemplate>
+                  </ListBox.ItemsPanel>
+
+                  <ListBox.ItemTemplate>
+                    <DataTemplate DataType="m:OpenAIService">
+                      <Grid ColumnDefinitions="Auto,*">
+                        <Path Grid.Column="0" Width="14" Height="14" Data="{StaticResource Icons.AIAssist}"/>
+                        <TextBlock Grid.Column="1" Text="{Binding Name}" Margin="8,0" TextTrimming="CharacterEllipsis"/>
+                      </Grid>
+                    </DataTemplate>
+                  </ListBox.ItemTemplate>
+                </ListBox>
+
+                <Rectangle Grid.Row="1" Height="1" Fill="{DynamicResource Brush.Border2}" HorizontalAlignment="Stretch" VerticalAlignment="Bottom"/>
+
+                <StackPanel Grid.Row="2" Orientation="Horizontal" Background="{DynamicResource Brush.ToolBar}">
+                  <Button Classes="icon_button" Click="OnAddOpenAIService">
+                    <Path Width="14" Height="14" Data="{StaticResource Icons.Plus}"/>
+                  </Button>
+
+                  <Rectangle Width="1" Fill="{DynamicResource Brush.Border2}" HorizontalAlignment="Left" VerticalAlignment="Stretch"/>
+
+                  <Button Classes="icon_button" Click="OnRemoveSelectedOpenAIService">
+                    <Path Width="14" Height="14" Data="{StaticResource Icons.Window.Minimize}"/>
+                  </Button>
+
+                  <Rectangle Width="1" Fill="{DynamicResource Brush.Border2}" HorizontalAlignment="Left" VerticalAlignment="Stretch"/>
+                </StackPanel>
+              </Grid>
+            </Border>
+
+            <ContentControl Grid.Column="1" Margin="16,0,0,0">
+              <ContentControl.Content>
+                <Binding Path="#ThisControl.SelectedOpenAIService">
+                  <Binding.TargetNullValue>
+                    <Path Width="64" Height="64"
+                          HorizontalAlignment="Center"
+                          VerticalAlignment="Center"
+                          Fill="{DynamicResource Brush.FG2}"
+                          Data="{StaticResource Icons.Empty}"/>
+                  </Binding.TargetNullValue>
+                </Binding>
+              </ContentControl.Content>
+
+              <ContentControl.DataTemplates>
+                <DataTemplate DataType="m:OpenAIService">
+                  <StackPanel Orientation="Vertical" MaxWidth="680">
+                    <TextBlock Text="{DynamicResource Text.Preference.AI.Name}"/>
+                    <TextBox Margin="0,4,0,0" CornerRadius="3" Height="28" Text="{Binding Name, Mode=TwoWay}"/>
+
+                    <TextBlock Margin="0,12,0,0" Text="{DynamicResource Text.Preference.AI.Server}"/>
+                    <TextBox Margin="0,4,0,0" CornerRadius="3" Height="28" Text="{Binding Server, Mode=TwoWay}"/>
+
+                    <TextBlock Margin="0,12,0,0" Text="{DynamicResource Text.Preference.AI.Model}"/>
+                    <TextBox Margin="0,4,0,0" CornerRadius="3" Height="28" Text="{Binding Model, Mode=TwoWay}"/>
+
+                    <TextBlock Margin="0,12,0,0" Text="{DynamicResource Text.Preference.AI.ApiKey}"/>
+                    <TextBox Margin="0,4,0,0" CornerRadius="3" Height="28" Text="{Binding ApiKey, Mode=TwoWay}" PasswordChar="*"/>
+                    
+                    <TextBlock Margin="0,12,0,0" Text="{DynamicResource Text.Preference.AI.AnalyzeDiffPrompt}"/>                    
+                    <TextBox Height="120"
+                             Margin="0,4,0,0"
+                             CornerRadius="3"
+                             VerticalContentAlignment="Top"
+                             Text="{Binding AnalyzeDiffPrompt, Mode=TwoWay}"
+                             AcceptsReturn="true"
+                             TextWrapping="Wrap"/>
+
+                    <TextBlock Margin="0,12,0,0" Text="{DynamicResource Text.Preference.AI.GenerateSubjectPrompt}"/>
+                    <TextBox Height="120"
+                             Margin="0,4,0,0"
+                             CornerRadius="3"
+                             VerticalContentAlignment="Top"
+                             Text="{Binding GenerateSubjectPrompt, Mode=TwoWay}"
+                             AcceptsReturn="true"
+                             TextWrapping="Wrap"/>
+                  </StackPanel>
+                </DataTemplate>
+              </ContentControl.DataTemplates>
+            </ContentControl>
+          </Grid>
+        </TabItem>
       </TabControl>
     </Border>
   </Grid>

src/Views/Preference.axaml.cs

@@ -74,6 +74,15 @@ namespace SourceGit.Views
             set;
         }
 
+        public static readonly StyledProperty<Models.OpenAIService> SelectedOpenAIServiceProperty =
+            AvaloniaProperty.Register<Preference, Models.OpenAIService>(nameof(SelectedOpenAIService));
+
+        public Models.OpenAIService SelectedOpenAIService
+        {
+            get => GetValue(SelectedOpenAIServiceProperty);
+            set => SetValue(SelectedOpenAIServiceProperty, value);
+        }
+
         public Preference()
         {
             var pref = ViewModels.Preference.Instance;
@@ -312,5 +321,24 @@ namespace SourceGit.Views
 
             e.Handled = true;
         }
+
+        private void OnAddOpenAIService(object sender, RoutedEventArgs e)
+        {
+            var service = new Models.OpenAIService() { Name = "Unnamed Service" };
+            ViewModels.Preference.Instance.OpenAIServices.Add(service);
+            SelectedOpenAIService = service;
+
+            e.Handled = true;
+        }
+
+        private void OnRemoveSelectedOpenAIService(object sender, RoutedEventArgs e)
+        {
+            if (SelectedOpenAIService == null)
+                return;
+
+            ViewModels.Preference.Instance.OpenAIServices.Remove(SelectedOpenAIService);
+            SelectedOpenAIService = null;
+            e.Handled = true;
+        }
     }
 }

src/Views/WorkingCopy.axaml

@@ -199,7 +199,7 @@
         <Button Grid.Column="1"
                 Classes="icon_button"
                 Margin="4,2,0,0"
-                Command="{Binding GenerateCommitMessageByAI}"
+                Click="OnOpenOpenAIHelper"
                 ToolTip.Tip="{DynamicResource Text.AIAssistant.Tip}"
                 ToolTip.Placement="Top"
                 ToolTip.VerticalOffset="0">

src/Views/WorkingCopy.axaml.cs

@@ -120,6 +120,17 @@ namespace SourceGit.Views
             e.Handled = true;
         }
 
+        private void OnOpenOpenAIHelper(object sender, RoutedEventArgs e)
+        {
+            if (DataContext is ViewModels.WorkingCopy vm)
+            {
+                var menu = vm.CreateContextForOpenAI();
+                (sender as Button)?.OpenContextMenu(menu);
+            }
+
+            e.Handled = true;
+        }
+
         private void OnOpenConventionalCommitHelper(object _, RoutedEventArgs e)
         {
             if (DataContext is ViewModels.WorkingCopy vm)