first commit

.gitignore

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+bin
+obj
+.idea
+*.user

Portramatic.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Portramatic", "Portramatic\Portramatic.csproj", "{E1DEBD84-A5DD-43CA-97B6-FF326346D25E}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E1DEBD84-A5DD-43CA-97B6-FF326346D25E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E1DEBD84-A5DD-43CA-97B6-FF326346D25E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E1DEBD84-A5DD-43CA-97B6-FF326346D25E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E1DEBD84-A5DD-43CA-97B6-FF326346D25E}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

Portramatic/.gitignore

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+.idea/
+.vscode/
+.vs/
+
+bin/
+obj/
+
+*.user

Portramatic/App.axaml

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+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="using:Portramatic"
+             x:Class="Portramatic.App">
+    <Application.DataTemplates>
+        <local:ViewLocator/>
+    </Application.DataTemplates>
+
+    <Application.Styles>
+        <FluentTheme Mode="Dark"/>
+    </Application.Styles>
+</Application>

Portramatic/App.axaml.cs

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+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Markup.Xaml;
+using Portramatic.ViewModels;
+using Portramatic.Views;
+
+namespace Portramatic
+{
+    public class App : Application
+    {
+        public override void Initialize()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+
+        public override void OnFrameworkInitializationCompleted()
+        {
+            if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            {
+                desktop.MainWindow = new MainWindow
+                {
+                    DataContext = new MainWindowViewModel(),
+                };
+            }
+
+            base.OnFrameworkInitializationCompleted();
+        }
+    }
+}

Portramatic/Extensions/IObservableExtensions.cs

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+using System;
+using System.Reactive.Disposables;
+using System.Reactive.Subjects;
+using System.Threading.Tasks;
+
+namespace Portramatic.Extensions
+{
+    public static class IObservableExtensions
+    {
+
+        public static IObservable<TOut> SelectAsync<TIn, TOut>(this IObservable<TIn> input,
+            CompositeDisposable disposable,
+            Func<TIn, ValueTask<TOut>> func)
+        {
+            Subject<TOut> returnObs = new();
+
+            input.Subscribe(x => Task.Run(async () =>
+            {
+                var result = await func(x);
+                returnObs.OnNext(result);
+            })).DisposeWith(disposable);
+
+            return returnObs;
+        }
+
+    }
+}

Portramatic/Extensions/IgnoreIObservable.cs

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+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Portramatic.Extensions;
+
+public class IgnoreIObservable<T> : JsonConverter<IObservable<T>>
+{
+    public override IObservable<T>? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        throw new NotImplementedException();
+    }
+    public override void Write(Utf8JsonWriter writer, IObservable<T> value, JsonSerializerOptions options)
+    {
+        return;
+    }
+}

Portramatic/FodyWeavers.xml

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+<Weavers xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="FodyWeavers.xsd">
+  <ReactiveUI />
+</Weavers>

Portramatic/FodyWeavers.xsd

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+<?xml version="1.0" encoding="utf-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
+  <!-- This file was generated by Fody. Manual changes to this file will be lost when your project is rebuilt. -->
+  <xs:element name="Weavers">
+    <xs:complexType>
+      <xs:all>
+        <xs:element name="ReactiveUI" minOccurs="0" maxOccurs="1" type="xs:anyType" />
+      </xs:all>
+      <xs:attribute name="VerifyAssembly" type="xs:boolean">
+        <xs:annotation>
+          <xs:documentation>'true' to run assembly verification (PEVerify) on the target assembly after all weavers have been executed.</xs:documentation>
+        </xs:annotation>
+      </xs:attribute>
+      <xs:attribute name="VerifyIgnoreCodes" type="xs:string">
+        <xs:annotation>
+          <xs:documentation>A comma-separated list of error codes that can be safely ignored in assembly verification.</xs:documentation>
+        </xs:annotation>
+      </xs:attribute>
+      <xs:attribute name="GenerateXsd" type="xs:boolean">
+        <xs:annotation>
+          <xs:documentation>'false' to turn off automatic generation of the XML Schema file.</xs:documentation>
+        </xs:annotation>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+</xs:schema>

Portramatic/Portramatic.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net6.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+  <ItemGroup>
+    <Folder Include="Models\" />
+    <AvaloniaResource Include="Assets\**" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Avalonia" Version="0.10.7" />
+    <PackageReference Include="Avalonia.Controls.PanAndZoom" Version="4.0.0" />
+    <PackageReference Include="Avalonia.Desktop" Version="0.10.7" />
+    <PackageReference Include="Avalonia.Diagnostics" Version="0.10.7" />
+    <PackageReference Include="Avalonia.ReactiveUI" Version="0.10.7" />
+    <PackageReference Include="ReactiveUI.Fody" Version="16.2.6" />
+    <PackageReference Include="ReactiveUI.Validation" Version="2.2.1" />
+    <PackageReference Include="XamlNameReferenceGenerator" Version="1.3.4" />
+  </ItemGroup>
+</Project>

Portramatic/Program.cs

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+using System;
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.ReactiveUI;
+
+namespace Portramatic
+{
+    class Program
+    {
+        // Initialization code. Don't use any Avalonia, third-party APIs or any
+        // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
+        // yet and stuff might break.
+        public static void Main(string[] args) => BuildAvaloniaApp()
+            .StartWithClassicDesktopLifetime(args);
+
+        // Avalonia configuration, don't remove; also used by visual designer.
+        public static AppBuilder BuildAvaloniaApp()
+            => AppBuilder.Configure<App>()
+                .UsePlatformDetect()
+                .LogToTrace()
+                .UseReactiveUI();
+    }
+}

Portramatic/ViewLocator.cs

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+using System;
+using Avalonia.Controls;
+using Avalonia.Controls.Templates;
+using Portramatic.ViewModels;
+
+namespace Portramatic
+{
+    public class ViewLocator : IDataTemplate
+    {
+        public bool SupportsRecycling => false;
+
+        public IControl Build(object data)
+        {
+            var name = data.GetType().FullName!.Replace("ViewModel", "View");
+            var type = Type.GetType(name);
+
+            if (type != null)
+            {
+                return (Control)Activator.CreateInstance(type)!;
+            }
+            else
+            {
+                return new TextBlock { Text = "Not Found: " + name };
+            }
+        }
+
+        public bool Match(object data)
+        {
+            return data is ViewModelBase;
+        }
+    }
+}

Portramatic/ViewModels/CroppedImage.cs

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+using System;
+using System.Runtime.Serialization;
+using System.Text.Json.Serialization;
+using ReactiveUI;
+using ReactiveUI.Fody.Helpers;
+
+namespace Portramatic.ViewModels;
+
+public enum ImageSize
+{
+    Small,
+    Medium,
+    Full
+}
+
+public class CroppedImage : ViewModelBase
+{
+    [Reactive]
+    [JsonPropertyName("scale")]
+    public double Scale { get; set; }
+
+    [Reactive]
+    [JsonPropertyName("offset_x")]
+    public double OffsetX { get; set; }
+
+    [Reactive]
+    [JsonPropertyName("offset_y")]
+    public double OffsetY { get; set; }
+
+    [Reactive]
+    [JsonPropertyName("size")]
+    public ImageSize Size { get; set; }
+
+    [JsonIgnore]
+    public (int, int) FinalSize =>
+        Size switch
+        {
+            ImageSize.Full => (692, 1024),
+            ImageSize.Medium => (330, 432),
+            ImageSize.Small => (185, 242),
+            _ => throw new ArgumentOutOfRangeException()
+        };
+
+    [JsonIgnore]
+    public string FileName =>
+        Size switch
+        {
+            ImageSize.Full => "Fulllength.png",
+            ImageSize.Medium => "Medium.png",
+            ImageSize.Small => "Small.png",
+            _ => throw new ArgumentOutOfRangeException()
+        };
+}
+
+
+public class PortraitDefinition : ViewModelBase
+{
+    [Reactive]
+    [JsonPropertyName("source")]
+    public Uri Source { get; set; }
+
+    [Reactive]
+    [JsonPropertyName("md5")]
+    public string MD5 { get; set; }
+
+    [Reactive]
+    [JsonPropertyName("tags")]
+    public string[] Tags { get; set; }
+
+    [Reactive]
+    [JsonPropertyName("small")] 
+    public CroppedImage Small { get; set; } = new() {Size = ImageSize.Small};
+
+    [Reactive]
+    [JsonPropertyName("medium")] 
+    public CroppedImage Medium { get; set; } = new() {Size = ImageSize.Medium};
+
+    [Reactive]
+    [JsonPropertyName("full")] 
+    public CroppedImage Full { get; set; } = new() { Size = ImageSize.Full };
+}