Add save load support for files with GenerationParameters

StabilityMatrix.Avalonia/Models/IParametersLoadableState.cs

@@ -0,0 +1,15 @@
+using StabilityMatrix.Core.Models;
+
+namespace StabilityMatrix.Avalonia.Models;
+
+public interface IParametersLoadableState
+{
+    void LoadStateFromParameters(GenerationParameters parameters);
+
+    GenerationParameters SaveStateToParameters(GenerationParameters parameters);
+
+    public GenerationParameters SaveStateToParameters()
+    {
+        return SaveStateToParameters(new GenerationParameters());
+    }
+}

StabilityMatrix.Avalonia/ViewModels/Base/InferenceTabViewModelBase.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Text.Json;
 using System.Text.Json.Serialization;
@@ -6,6 +7,7 @@ using System.Threading.Tasks;
 using AsyncAwaitBestPractices;
 using Avalonia.Controls;
 using Avalonia.Input;
+using Avalonia.Platform.Storage;
 using Avalonia.Threading;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
@@ -13,6 +15,8 @@ using FluentAvalonia.UI.Controls;
 using StabilityMatrix.Avalonia.Models;
 using StabilityMatrix.Avalonia.Models.Inference;
 using StabilityMatrix.Avalonia.ViewModels.Inference;
+using StabilityMatrix.Core.Helper;
+using StabilityMatrix.Core.Models;
 using StabilityMatrix.Core.Models.Database;
 using StabilityMatrix.Core.Models.FileInterfaces;
 
@@ -144,6 +148,66 @@ public abstract partial class InferenceTabViewModelBase
         GC.SuppressFinalize(this);
     }
 
+    private bool TryLoadImageMetadata(FilePath? filePath)
+    {
+        if (filePath is not { Exists: true })
+            return false;
+
+        var metadata = ImageMetadata.GetAllFileMetadata(filePath);
+
+        // Has SMProject metadata
+        if (metadata.SMProject is not null)
+        {
+            var project = JsonSerializer.Deserialize<InferenceProjectDocument>(metadata.SMProject);
+
+            // Check project type matches
+            if (project?.ProjectType.ToViewModelType() == GetType() && project.State is not null)
+            {
+                LoadStateFromJsonObject(project.State);
+            }
+            else
+            {
+                return false;
+            }
+
+            // Load image
+            if (this is IImageGalleryComponent imageGalleryComponent)
+            {
+                imageGalleryComponent.LoadImagesToGallery(new ImageSource(filePath));
+            }
+
+            return true;
+        }
+
+        // Has generic metadata
+        if (metadata.Parameters is { } parametersString)
+        {
+            if (!GenerationParameters.TryParse(parametersString, out var parameters))
+            {
+                return false;
+            }
+
+            if (this is IParametersLoadableState paramsLoadableVm)
+            {
+                paramsLoadableVm.LoadStateFromParameters(parameters);
+            }
+            else
+            {
+                return false;
+            }
+
+            // Load image
+            if (this is IImageGalleryComponent imageGalleryComponent)
+            {
+                imageGalleryComponent.LoadImagesToGallery(new ImageSource(filePath));
+            }
+
+            return true;
+        }
+
+        return false;
+    }
+
     /// <inheritdoc />
     public void DragOver(object? sender, DragEventArgs e)
     {
@@ -162,10 +226,10 @@ public abstract partial class InferenceTabViewModelBase
         if (e.Data.GetDataFormats().Contains(DataFormats.Files))
         {
             e.Handled = true;
-            e.DragEffects = DragDropEffects.None;
             return;
         }
 
+        // Other kinds - not supported
         e.DragEffects = DragDropEffects.None;
     }
 
@@ -214,6 +278,16 @@ public abstract partial class InferenceTabViewModelBase
         if (e.Data.GetDataFormats().Contains(DataFormats.Files))
         {
             e.Handled = true;
+
+            if (e.Data.Get(DataFormats.Files) is IEnumerable<IStorageItem> files)
+            {
+                var paths = files.Select(f => f.TryGetLocalPath()).ToList();
+
+                if (paths.FirstOrDefault() is { } file)
+                {
+                    Dispatcher.UIThread.Post(() => TryLoadImageMetadata(file));
+                }
+            }
         }
     }
 }

StabilityMatrix.Avalonia/ViewModels/Inference/InferenceTextToImageViewModel.cs

@@ -25,7 +25,9 @@ using InferenceTextToImageView = StabilityMatrix.Avalonia.Views.Inference.Infere
 namespace StabilityMatrix.Avalonia.ViewModels.Inference;
 
 [View(typeof(InferenceTextToImageView), persistent: true)]
-public class InferenceTextToImageViewModel : InferenceGenerationViewModelBase
+public class InferenceTextToImageViewModel
+    : InferenceGenerationViewModelBase,
+        IParametersLoadableState
 {
     private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
 
@@ -327,4 +329,28 @@ public class InferenceTextToImageViewModel : InferenceGenerationViewModelBase
 
         await RunGeneration(generationArgs, cancellationToken);
     }
+
+    /// <inheritdoc />
+    public void LoadStateFromParameters(GenerationParameters parameters)
+    {
+        PromptCardViewModel.LoadStateFromParameters(parameters);
+        SamplerCardViewModel.LoadStateFromParameters(parameters);
+
+        SeedCardViewModel.Seed = Convert.ToInt64(parameters.Seed);
+
+        ModelCardViewModel.LoadStateFromParameters(parameters);
+    }
+
+    /// <inheritdoc />
+    public GenerationParameters SaveStateToParameters(GenerationParameters parameters)
+    {
+        parameters = PromptCardViewModel.SaveStateToParameters(parameters);
+        parameters = SamplerCardViewModel.SaveStateToParameters(parameters);
+
+        parameters.Seed = (ulong)SeedCardViewModel.Seed;
+
+        parameters = ModelCardViewModel.SaveStateToParameters(parameters);
+
+        return parameters;
+    }
 }

StabilityMatrix.Avalonia/ViewModels/Inference/ModelCardViewModel.cs

@@ -1,7 +1,9 @@
-using System.Linq;
+using System;
+using System.Linq;
 using System.Text.Json.Nodes;
 using CommunityToolkit.Mvvm.ComponentModel;
 using StabilityMatrix.Avalonia.Controls;
+using StabilityMatrix.Avalonia.Models;
 using StabilityMatrix.Avalonia.Services;
 using StabilityMatrix.Avalonia.ViewModels.Base;
 using StabilityMatrix.Core.Attributes;
@@ -10,7 +12,7 @@ using StabilityMatrix.Core.Models;
 namespace StabilityMatrix.Avalonia.ViewModels.Inference;
 
 [View(typeof(ModelCard))]
-public partial class ModelCardViewModel : LoadableViewModelBase
+public partial class ModelCardViewModel : LoadableViewModelBase, IParametersLoadableState
 {
     [ObservableProperty]
     private HybridModelFile? selectedModel;
@@ -71,4 +73,47 @@ public partial class ModelCardViewModel : LoadableViewModelBase
         public string? SelectedVaeName { get; init; }
         public bool IsVaeSelectionEnabled { get; init; }
     }
+
+    /// <inheritdoc />
+    public void LoadStateFromParameters(GenerationParameters parameters)
+    {
+        if (parameters.ModelName is not { } paramsModelName)
+            return;
+
+        var currentModels = ClientManager.Models;
+
+        HybridModelFile? model;
+
+        // First try hash match
+        if (parameters.ModelHash is not null)
+        {
+            model = currentModels.FirstOrDefault(
+                m =>
+                    m.Local?.ConnectedModelInfo?.Hashes.SHA256 is { } sha256
+                    && sha256.StartsWith(
+                        parameters.ModelHash,
+                        StringComparison.InvariantCultureIgnoreCase
+                    )
+            );
+        }
+        else
+        {
+            // Name matches
+            model = currentModels.FirstOrDefault(m => m.FileName.EndsWith(paramsModelName));
+            model ??= currentModels.FirstOrDefault(
+                m => m.ShortDisplayName.StartsWith(paramsModelName)
+            );
+        }
+
+        if (model is not null)
+        {
+            SelectedModel = model;
+        }
+    }
+
+    /// <inheritdoc />
+    public GenerationParameters SaveStateToParameters(GenerationParameters parameters)
+    {
+        return parameters with { ModelName = SelectedModel?.FileName };
+    }
 }

StabilityMatrix.Avalonia/ViewModels/Inference/PromptCardViewModel.cs

@@ -22,12 +22,13 @@ using StabilityMatrix.Core.Attributes;
 using StabilityMatrix.Core.Exceptions;
 using StabilityMatrix.Core.Extensions;
 using StabilityMatrix.Core.Helper.Cache;
+using StabilityMatrix.Core.Models;
 using StabilityMatrix.Core.Services;
 
 namespace StabilityMatrix.Avalonia.ViewModels.Inference;
 
 [View(typeof(PromptCard))]
-public partial class PromptCardViewModel : LoadableViewModelBase
+public partial class PromptCardViewModel : LoadableViewModelBase, IParametersLoadableState
 {
     private readonly IModelIndexService modelIndexService;
 
@@ -284,4 +285,21 @@ public partial class PromptCardViewModel : LoadableViewModelBase
         PromptDocument.Text = model.Prompt ?? "";
         NegativePromptDocument.Text = model.NegativePrompt ?? "";
     }
+
+    /// <inheritdoc />
+    public void LoadStateFromParameters(GenerationParameters parameters)
+    {
+        PromptDocument.Text = parameters.PositivePrompt ?? "";
+        NegativePromptDocument.Text = parameters.NegativePrompt ?? "";
+    }
+
+    /// <inheritdoc />
+    public GenerationParameters SaveStateToParameters(GenerationParameters parameters)
+    {
+        return parameters with
+        {
+            PositivePrompt = PromptDocument.Text,
+            NegativePrompt = NegativePromptDocument.Text
+        };
+    }
 }

StabilityMatrix.Avalonia/ViewModels/Inference/SamplerCardViewModel.cs

@@ -1,15 +1,18 @@
-using System.Text.Json.Serialization;
+using System.Linq;
+using System.Text.Json.Serialization;
 using CommunityToolkit.Mvvm.ComponentModel;
 using StabilityMatrix.Avalonia.Controls;
+using StabilityMatrix.Avalonia.Models;
 using StabilityMatrix.Avalonia.Services;
 using StabilityMatrix.Avalonia.ViewModels.Base;
 using StabilityMatrix.Core.Attributes;
+using StabilityMatrix.Core.Models;
 using StabilityMatrix.Core.Models.Api.Comfy;
 
 namespace StabilityMatrix.Avalonia.ViewModels.Inference;
 
 [View(typeof(SamplerCard))]
-public partial class SamplerCardViewModel : LoadableViewModelBase
+public partial class SamplerCardViewModel : LoadableViewModelBase, IParametersLoadableState
 {
     [ObservableProperty]
     private bool isRefinerStepsEnabled;
@@ -61,42 +64,32 @@ public partial class SamplerCardViewModel : LoadableViewModelBase
         ClientManager = clientManager;
     }
 
-    /*/// <inheritdoc />
-    public override void LoadStateFromJsonObject(JsonObject state)
+    /// <inheritdoc />
+    public void LoadStateFromParameters(GenerationParameters parameters)
+    {
+        Width = parameters.Width;
+        Height = parameters.Height;
+        Steps = parameters.Steps;
+        CfgScale = parameters.CfgScale;
+
+        if (parameters.GetComfySamplers() is { } paramSamplers)
         {
-        var model = DeserializeModel<SamplerCardModel>(state);
-
-        Steps = model.Steps;
-        IsDenoiseStrengthEnabled = model.IsDenoiseStrengthEnabled;
-        DenoiseStrength = model.DenoiseStrength;
-        IsCfgScaleEnabled = model.IsCfgScaleEnabled;
-        CfgScale = model.CfgScale;
-        IsDimensionsEnabled = model.IsDimensionsEnabled;
-        Width = model.Width;
-        Height = model.Height;
-        IsSamplerSelectionEnabled = model.IsSamplerSelectionEnabled;
-        SelectedSampler = model.SelectedSampler is null
-            ? null
-            : new ComfySampler(model.SelectedSampler);
+            var (sampler, scheduler) = paramSamplers;
+
+            SelectedSampler = ClientManager.Samplers.FirstOrDefault(s => s.Name == sampler.Name);
+        }
     }
 
     /// <inheritdoc />
-    public override JsonObject SaveStateToJsonObject()
+    public GenerationParameters SaveStateToParameters(GenerationParameters parameters)
     {
-        return SerializeModel(
-            new SamplerCardModel
+        return parameters with
         {
-                Steps = Steps,
-                IsDenoiseStrengthEnabled = IsDenoiseStrengthEnabled,
-                DenoiseStrength = DenoiseStrength,
-                IsCfgScaleEnabled = IsCfgScaleEnabled,
-                CfgScale = CfgScale,
-                IsDimensionsEnabled = IsDimensionsEnabled,
             Width = Width,
             Height = Height,
-                IsSamplerSelectionEnabled = IsSamplerSelectionEnabled,
-                SelectedSampler = SelectedSampler?.Name
+            Steps = Steps,
+            CfgScale = CfgScale,
+            Sampler = SelectedSampler?.Name
+        };
     }
-        );
-    }*/
 }