Add generation parameters to image index db entry

StabilityMatrix.Avalonia/Helpers/PngDataHelper.cs

@@ -5,6 +5,7 @@ using System.Text.Json;
 using Force.Crc32;
 using StabilityMatrix.Avalonia.Models;
 using StabilityMatrix.Avalonia.Models.Inference;
+using StabilityMatrix.Core.Models;
 
 namespace StabilityMatrix.Avalonia.Helpers;
 

StabilityMatrix.Avalonia/ViewModels/Inference/InferenceTextToImageViewModel.cs

@@ -24,6 +24,7 @@ using StabilityMatrix.Avalonia.ViewModels.Base;
 using StabilityMatrix.Core.Attributes;
 using StabilityMatrix.Core.Helper;
 using StabilityMatrix.Core.Inference;
+using StabilityMatrix.Core.Models;
 using StabilityMatrix.Core.Models.Api.Comfy;
 using StabilityMatrix.Core.Models.Api.Comfy.Nodes;
 using StabilityMatrix.Core.Models.Api.Comfy.NodeTypes;

StabilityMatrix.Core/Helper/ImageMetadata.cs

@@ -1,33 +1,28 @@
-using System.Collections.Generic;
-using System.Linq;
-using System.Text.Json;
-using System.Text.RegularExpressions;
+using System.Text.Json;
 using MetadataExtractor;
-using StabilityMatrix.Avalonia.Models.Inference;
 using StabilityMatrix.Core.Extensions;
+using StabilityMatrix.Core.Models;
 using StabilityMatrix.Core.Models.FileInterfaces;
+using Directory = MetadataExtractor.Directory;
 
-namespace StabilityMatrix.Avalonia.Helpers;
+namespace StabilityMatrix.Core.Helper;
 
-public partial class ImageMetadata
+public class ImageMetadata
 {
     private IReadOnlyList<Directory>? Directories { get; set; }
 
     public static ImageMetadata ParseFile(FilePath path)
     {
-        return new ImageMetadata() { Directories = ImageMetadataReader.ReadMetadata(path) };
+        return new ImageMetadata { Directories = ImageMetadataReader.ReadMetadata(path) };
     }
 
     public IEnumerable<Tag>? GetTextualData()
     {
         // Get the PNG-tEXt directory
-        if (Directories?.FirstOrDefault(d => d.Name == "PNG-tEXt") is not { } pngText)
-        {
-            return null;
-        }
-
-        // Expect the 'Textual Data' tag
-        return pngText.Tags.Where(tag => tag.Name == "Textual Data");
+        return Directories?
+            .Where(d => d.Name == "PNG-tEXt")
+            .SelectMany(d => d.Tags)
+            .Where(t => t.Name == "Textual Data");
     }
 
     public GenerationParameters? GetGenerationParameters()

StabilityMatrix.Core/Models/Database/LocalImageFile.cs

@@ -28,6 +28,11 @@ public class LocalImageFile
     /// </summary>
     public DateTimeOffset LastModifiedAt { get; set; }
 
+    /// <summary>
+    /// Generation parameters metadata of the file.
+    /// </summary>
+    public GenerationParameters? GenerationParameters { get; set; }
+
     /// <summary>
     /// File name of the relative path.
     /// </summary>

StabilityMatrix.Core/Models/GenerationParameters.cs

@@ -1,9 +1,8 @@
 using System.Diagnostics.CodeAnalysis;
-using System.Linq;
 using System.Text.Json.Serialization;
 using System.Text.RegularExpressions;
 
-namespace StabilityMatrix.Avalonia.Models.Inference;
+namespace StabilityMatrix.Core.Models;
 
 [JsonSerializable(typeof(GenerationParameters))]
 public partial class GenerationParameters

StabilityMatrix.Core/Services/ImageIndexService.cs

@@ -2,6 +2,7 @@
 using AsyncAwaitBestPractices;
 using Microsoft.Extensions.Logging;
 using StabilityMatrix.Core.Database;
+using StabilityMatrix.Core.Helper;
 using StabilityMatrix.Core.Models.Database;
 using StabilityMatrix.Core.Models.FileInterfaces;
 
@@ -77,12 +78,16 @@ public class ImageIndexService : IImageIndexService
             const LocalImageFileType imageType =
                 LocalImageFileType.Inference | LocalImageFileType.TextToImage;
 
+            // Get metadata
+            var metadata = ImageMetadata.ParseFile(file);
+
             var localImage = new LocalImageFile
             {
                 RelativePath = relativePath,
                 ImageType = imageType,
                 CreatedAt = file.Info.CreationTimeUtc,
-                LastModifiedAt = file.Info.LastWriteTimeUtc
+                LastModifiedAt = file.Info.LastWriteTimeUtc,
+                GenerationParameters = metadata.GetGenerationParameters()
             };
 
             // Insert into database