Add image metadata parsing internals, debug menu

StabilityMatrix.Avalonia/Helpers/ImageMetadata.cs

@@ -0,0 +1,44 @@
+using System.Collections.Generic;
+using System.Linq;
+using MetadataExtractor;
+using StabilityMatrix.Core.Extensions;
+using StabilityMatrix.Core.Models.FileInterfaces;
+
+namespace StabilityMatrix.Avalonia.Helpers;
+
+public class ImageMetadata
+{
+    private IReadOnlyList<Directory>? Directories { get; set; }
+
+    public static ImageMetadata ParseFile(FilePath path)
+    {
+        return new ImageMetadata() { Directories = ImageMetadataReader.ReadMetadata(path) };
+    }
+
+    public string? GetComfyMetadata()
+    {
+        if (Directories is null)
+        {
+            return null;
+        }
+
+        // For Comfy, we want the PNG-tEXt directory
+        if (Directories.FirstOrDefault(d => d.Name == "PNG-tEXt") is not { } pngText)
+        {
+            return null;
+        }
+
+        // Expect the 'Textual Data' tag
+        if (
+            pngText.Tags.FirstOrDefault(tag => tag.Name == "Textual Data") is not { } textTag
+            || textTag.Description is null
+        )
+        {
+            return null;
+        }
+
+        // Strip `prompt: ` and the rest of the description is json
+
+        return textTag.Description.StripStart("prompt:").TrimStart();
+    }
+}

StabilityMatrix.Avalonia/StabilityMatrix.Avalonia.csproj

@@ -29,14 +29,15 @@
         <PackageReference Include="AvaloniaEdit.TextMate" Version="11.0.0" />
         <PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.1" />
         <PackageReference Include="DiscordRichPresence" Version="1.2.1.24" />
-        <PackageReference Include="Dock.Avalonia" Version="11.0.0" />
-        <PackageReference Include="Dock.Model.Avalonia" Version="11.0.0" />
+        <PackageReference Include="Dock.Avalonia" Version="11.0.0.1" />
+        <PackageReference Include="Dock.Model.Avalonia" Version="11.0.0.1" />
         <PackageReference Include="FluentAvaloniaUI" Version="2.0.1" />
         <PackageReference Include="DynamicData" Version="7.14.2" />
         <PackageReference Include="FluentIcons.Avalonia" Version="1.1.207" />
         <PackageReference Include="FluentIcons.FluentAvalonia" Version="1.1.207" />
         <PackageReference Include="FuzzySharp" Version="2.0.2" />
         <PackageReference Include="Markdown.Avalonia" Version="11.0.0" />
+        <PackageReference Include="MetadataExtractor" Version="2.8.1" />
         <PackageReference Include="Microsoft.Extensions.Configuration" Version="7.0.0" />
         <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="7.0.0" />
         <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="7.0.0" />

StabilityMatrix.Avalonia/ViewModels/SettingsViewModel.cs

@@ -729,6 +729,28 @@ public partial class SettingsViewModel : PageViewModelBase
         notificationService.Show("Loaded completion file", "");
     }
 
+    [RelayCommand]
+    private async Task DebugImageMetadata()
+    {
+        var provider = App.StorageProvider;
+        var files = await provider.OpenFilePickerAsync(new FilePickerOpenOptions());
+
+        if (files.Count == 0)
+            return;
+
+        var metadata = ImageMetadata.ParseFile(files[0].TryGetLocalPath()!);
+        var comfyJson = metadata.GetComfyMetadata();
+
+        if (comfyJson is null)
+        {
+            notificationService.Show("No Comfy metadata found", "");
+            return;
+        }
+
+        var dialog = DialogHelper.CreateJsonDialog(comfyJson);
+        await dialog.ShowAsync();
+    }
+
     [RelayCommand]
     private async Task DebugRefreshModelsIndex()
     {

StabilityMatrix.Avalonia/Views/SettingsPage.axaml

@@ -406,6 +406,18 @@
                                 Content="Select images" />
                         </ui:SettingsExpanderItem.Footer>
                     </ui:SettingsExpanderItem>
+                    
+                    <ui:SettingsExpanderItem
+                        Margin="4,0,4,4"
+                        Content="Image metadata parser"
+                        IconSource="Flag">
+                        <ui:SettingsExpanderItem.Footer>
+                            <Button
+                                Margin="0,8"
+                                Command="{Binding DebugImageMetadataCommand}"
+                                Content="Choose image" />
+                        </ui:SettingsExpanderItem.Footer>
+                    </ui:SettingsExpanderItem>
 
                 </ui:SettingsExpander>
             </Grid>

StabilityMatrix.Core/StabilityMatrix.Core.csproj

@@ -23,6 +23,7 @@
       <PackageReference Include="DeviceId.Windows.Wmi" Version="6.2.1" />
       <PackageReference Include="LiteDB" Version="5.0.16" />
       <PackageReference Include="LiteDB.Async" Version="0.1.6" />
+      <PackageReference Include="MetadataExtractor" Version="2.8.1" />
       <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="7.0.0" />
       <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="7.0.0" />
       <PackageReference Include="NLog" Version="5.2.2" />