init

.vs/Demo/v17/DocumentLayout.backup.json

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+  ]
+}

.vs/Demo/v17/DocumentLayout.json

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+      ]
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+  ]
+}

Demo.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.11.35222.181
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Demo", "Demo\Demo.csproj", "{3014C8EE-92B3-4D09-94B0-3E3FC712DC0F}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{3014C8EE-92B3-4D09-94B0-3E3FC712DC0F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3014C8EE-92B3-4D09-94B0-3E3FC712DC0F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3014C8EE-92B3-4D09-94B0-3E3FC712DC0F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3014C8EE-92B3-4D09-94B0-3E3FC712DC0F}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {6F897B91-E585-4BA6-B131-92AAFA5C6B68}
+	EndGlobalSection
+EndGlobal

Demo/App.axaml

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+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             x:Class="Demo.App"
+             RequestedThemeVariant="Default">
+             <!-- "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options. -->
+
+	<Application.Styles>
+		<FluentTheme />
+	</Application.Styles>
+	<Application.Resources>
+		<SolidColorBrush x:Key="PrimaryColor">#ffffff</SolidColorBrush>
+		<SolidColorBrush x:Key="SecondryColor">#ffffe1</SolidColorBrush>
+		<SolidColorBrush x:Key="AccentColor">#ff9c1a</SolidColorBrush>
+	</Application.Resources>
+	
+	
+</Application>

Demo/App.axaml.cs

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

Demo/Demo.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <BuiltInComInteropSupport>true</BuiltInComInteropSupport>
+    <ApplicationManifest>app.manifest</ApplicationManifest>
+    <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
+  </PropertyGroup>
+
+
+	<ItemGroup>
+		<AvaloniaResource  Include="Assets\**"/>
+	</ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Avalonia" Version="11.1.0" />
+    <PackageReference Include="Avalonia.Desktop" Version="11.1.0" />
+    <PackageReference Include="Avalonia.Themes.Fluent" Version="11.1.0" />
+    <PackageReference Include="Avalonia.Fonts.Inter" Version="11.1.0" />
+    <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
+    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.1.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.0" />
+  </ItemGroup>
+</Project>

Demo/EntityModels/Client.cs

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+using System;
+using System.Collections.Generic;
+
+namespace Demo.EntityModels;
+
+public partial class Client
+{
+    public int Id { get; set; }
+
+    public string Firstname { get; set; } = null!;
+
+    public string Lastname { get; set; } = null!;
+
+    public string? Patronymic { get; set; }
+
+    public DateOnly? Birthday { get; set; }
+
+    public DateTime Registrationdate { get; set; }
+
+    public string? Email { get; set; }
+
+    public string Phone { get; set; } = null!;
+
+    public int Gendercode { get; set; }
+
+    public string? Photopath { get; set; }
+
+    public virtual ICollection<Clientservice> Clientservices { get; set; } = new List<Clientservice>();
+
+    public virtual Gender GendercodeNavigation { get; set; } = null!;
+
+    public virtual ICollection<Tag> Tags { get; set; } = new List<Tag>();
+}

Demo/EntityModels/Clientservice.cs

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+using System;
+using System.Collections.Generic;
+
+namespace Demo.EntityModels;
+
+public partial class Clientservice
+{
+    public int Id { get; set; }
+
+    public int Clientid { get; set; }
+
+    public int Serviceid { get; set; }
+
+    public DateTime Starttime { get; set; }
+
+    public string? Comment { get; set; }
+
+    public virtual Client Client { get; set; } = null!;
+
+    public virtual ICollection<Documentbyservice> Documentbyservices { get; set; } = new List<Documentbyservice>();
+
+    public virtual ICollection<Productsale> Productsales { get; set; } = new List<Productsale>();
+
+    public virtual Service Service { get; set; } = null!;
+}

Demo/EntityModels/Documentbyservice.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+
+namespace Demo.EntityModels;
+
+public partial class Documentbyservice
+{
+    public int Id { get; set; }
+
+    public int Clientserviceid { get; set; }
+
+    public string Documentpath { get; set; } = null!;
+
+    public virtual Clientservice Clientservice { get; set; } = null!;
+}

Demo/EntityModels/Gender.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+
+namespace Demo.EntityModels;
+
+public partial class Gender
+{
+    public int Code { get; set; }
+
+    public string? Name { get; set; }
+
+    public virtual ICollection<Client> Clients { get; set; } = new List<Client>();
+}

Demo/EntityModels/IsajkinContext.cs

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+using System;
+using System.Collections.Generic;
+using Microsoft.EntityFrameworkCore;
+
+namespace Demo.EntityModels;
+
+public partial class IsajkinContext : DbContext
+{
+    public IsajkinContext()
+    {
+    }
+
+    public IsajkinContext(DbContextOptions<IsajkinContext> options)
+        : base(options)
+    {
+    }
+
+    public virtual DbSet<Client> Clients { get; set; }
+
+    public virtual DbSet<Clientservice> Clientservices { get; set; }
+
+    public virtual DbSet<Documentbyservice> Documentbyservices { get; set; }
+
+    public virtual DbSet<Gender> Genders { get; set; }
+
+    public virtual DbSet<Manufacturer> Manufacturers { get; set; }
+
+    public virtual DbSet<Product> Products { get; set; }
+
+    public virtual DbSet<Productphoto> Productphotos { get; set; }
+
+    public virtual DbSet<Productsale> Productsales { get; set; }
+
+    public virtual DbSet<Service> Services { get; set; }
+
+    public virtual DbSet<Servicephoto> Servicephotos { get; set; }
+
+    public virtual DbSet<Tag> Tags { get; set; }
+
+    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+#warning To protect potentially sensitive information in your connection string, you should move it out of source code. You can avoid scaffolding the connection string by using the Name= syntax to read it from configuration - see https://go.microsoft.com/fwlink/?linkid=2131148. For more guidance on storing connection strings, see https://go.microsoft.com/fwlink/?LinkId=723263.
+        => optionsBuilder.UseNpgsql("Host=45.67.56.214;Username=isajkin;Password=hqD9f9EZ;Port=5454");
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        modelBuilder.Entity<Client>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("client_pkey");
+
+            entity.ToTable("client");
+
+            entity.Property(e => e.Id).HasColumnName("id");
+            entity.Property(e => e.Birthday).HasColumnName("birthday");
+            entity.Property(e => e.Email)
+                .HasMaxLength(255)
+                .HasColumnName("email");
+            entity.Property(e => e.Firstname)
+                .HasMaxLength(50)
+                .HasColumnName("firstname");
+            entity.Property(e => e.Gendercode).HasColumnName("gendercode");
+            entity.Property(e => e.Lastname)
+                .HasMaxLength(50)
+                .HasColumnName("lastname");
+            entity.Property(e => e.Patronymic)
+                .HasMaxLength(50)
+                .HasColumnName("patronymic");
+            entity.Property(e => e.Phone)
+                .HasMaxLength(20)
+                .HasColumnName("phone");
+            entity.Property(e => e.Photopath)
+                .HasMaxLength(1000)
+                .HasColumnName("photopath");
+            entity.Property(e => e.Registrationdate)
+                .HasColumnType("timestamp(6) without time zone")
+                .HasColumnName("registrationdate");
+
+            entity.HasOne(d => d.GendercodeNavigation).WithMany(p => p.Clients)
+                .HasForeignKey(d => d.Gendercode)
+                .OnDelete(DeleteBehavior.ClientSetNull)
+                .HasConstraintName("fk_client_gender");
+
+            entity.HasMany(d => d.Tags).WithMany(p => p.Clients)
+                .UsingEntity<Dictionary<string, object>>(
+                    "Tagofclient",
+                    r => r.HasOne<Tag>().WithMany()
+                        .HasForeignKey("Tagid")
+                        .OnDelete(DeleteBehavior.ClientSetNull)
+                        .HasConstraintName("fk_tagofclient_tag"),
+                    l => l.HasOne<Client>().WithMany()
+                        .HasForeignKey("Clientid")
+                        .OnDelete(DeleteBehavior.ClientSetNull)
+                        .HasConstraintName("fk_tagofclient_client"),
+                    j =>
+                    {
+                        j.HasKey("Clientid", "Tagid").HasName("tagofclient_pkey");
+                        j.ToTable("tagofclient");
+                        j.IndexerProperty<int>("Clientid").HasColumnName("clientid");
+                        j.IndexerProperty<int>("Tagid").HasColumnName("tagid");
+                    });
+        });
+
+        modelBuilder.Entity<Clientservice>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("clientservice_pkey");
+
+            entity.ToTable("clientservice");
+
+            entity.Property(e => e.Id).HasColumnName("id");
+            entity.Property(e => e.Clientid).HasColumnName("clientid");
+            entity.Property(e => e.Comment).HasColumnName("comment");
+            entity.Property(e => e.Serviceid).HasColumnName("serviceid");
+            entity.Property(e => e.Starttime)
+                .HasColumnType("timestamp(6) without time zone")
+                .HasColumnName("starttime");
+
+            entity.HasOne(d => d.Client).WithMany(p => p.Clientservices)
+                .HasForeignKey(d => d.Clientid)
+                .OnDelete(DeleteBehavior.ClientSetNull)
+                .HasConstraintName("fk_clientservice_client");
+
+            entity.HasOne(d => d.Service).WithMany(p => p.Clientservices)
+                .HasForeignKey(d => d.Serviceid)
+                .OnDelete(DeleteBehavior.ClientSetNull)
+                .HasConstraintName("fk_clientservice_service");
+        });
+
+        modelBuilder.Entity<Documentbyservice>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("documentbyservice_pkey");
+
+            entity.ToTable("documentbyservice");
+
+            entity.Property(e => e.Id).HasColumnName("id");
+            entity.Property(e => e.Clientserviceid).HasColumnName("clientserviceid");
+            entity.Property(e => e.Documentpath)
+                .HasMaxLength(1000)
+                .HasColumnName("documentpath");
+
+            entity.HasOne(d => d.Clientservice).WithMany(p => p.Documentbyservices)
+                .HasForeignKey(d => d.Clientserviceid)
+                .OnDelete(DeleteBehavior.ClientSetNull)
+                .HasConstraintName("fk_documentbyservice_clientservice");
+        });
+
+        modelBuilder.Entity<Gender>(entity =>
+        {
+            entity.HasKey(e => e.Code).HasName("gender_pkey");
+
+            entity.ToTable("gender");
+
+            entity.Property(e => e.Code).HasColumnName("code");
+            entity.Property(e => e.Name)
+                .HasMaxLength(10)
+                .HasColumnName("name");
+        });
+
+        modelBuilder.Entity<Manufacturer>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("manufacturer_pkey");
+
+            entity.ToTable("manufacturer");
+
+            entity.Property(e => e.Id).HasColumnName("id");
+            entity.Property(e => e.Name)
+                .HasMaxLength(100)
+                .HasColumnName("name");
+            entity.Property(e => e.Startdate).HasColumnName("startdate");
+        });
+
+        modelBuilder.Entity<Product>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("product_pkey");
+
+            entity.ToTable("product");
+
+            entity.Property(e => e.Id).HasColumnName("id");
+            entity.Property(e => e.Cost)
+                .HasPrecision(19, 4)
+                .HasColumnName("cost");
+            entity.Property(e => e.Description).HasColumnName("description");
+            entity.Property(e => e.Isactive).HasColumnName("isactive");
+            entity.Property(e => e.Mainimagepath)
+                .HasMaxLength(1000)
+                .HasColumnName("mainimagepath");
+            entity.Property(e => e.Manufacturerid).HasColumnName("manufacturerid");
+            entity.Property(e => e.Title)
+                .HasMaxLength(100)
+                .HasColumnName("title");
+
+            entity.HasOne(d => d.Manufacturer).WithMany(p => p.Products)
+                .HasForeignKey(d => d.Manufacturerid)
+                .HasConstraintName("fk_product_manufacturer");
+
+            entity.HasMany(d => d.Attachedproducts).WithMany(p => p.Mainproducts)
+                .UsingEntity<Dictionary<string, object>>(
+                    "Attachedproduct",
+                    r => r.HasOne<Product>().WithMany()
+                        .HasForeignKey("Attachedproductid")
+                        .OnDelete(DeleteBehavior.ClientSetNull)
+                        .HasConstraintName("fk_attachedproduct_product1"),
+                    l => l.HasOne<Product>().WithMany()
+                        .HasForeignKey("Mainproductid")
+                        .OnDelete(DeleteBehavior.ClientSetNull)
+                        .HasConstraintName("fk_attachedproduct_product"),
+                    j =>
+                    {
+                        j.HasKey("Mainproductid", "Attachedproductid").HasName("attachedproduct_pkey");
+                        j.ToTable("attachedproduct");
+                        j.IndexerProperty<int>("Mainproductid").HasColumnName("mainproductid");
+                        j.IndexerProperty<int>("Attachedproductid").HasColumnName("attachedproductid");
+                    });
+
+            entity.HasMany(d => d.Mainproducts).WithMany(p => p.Attachedproducts)
+                .UsingEntity<Dictionary<string, object>>(
+                    "Attachedproduct",
+                    r => r.HasOne<Product>().WithMany()
+                        .HasForeignKey("Mainproductid")
+                        .OnDelete(DeleteBehavior.ClientSetNull)
+                        .HasConstraintName("fk_attachedproduct_product"),
+                    l => l.HasOne<Product>().WithMany()
+                        .HasForeignKey("Attachedproductid")
+                        .OnDelete(DeleteBehavior.ClientSetNull)
+                        .HasConstraintName("fk_attachedproduct_product1"),
+                    j =>
+                    {
+                        j.HasKey("Mainproductid", "Attachedproductid").HasName("attachedproduct_pkey");
+                        j.ToTable("attachedproduct");
+                        j.IndexerProperty<int>("Mainproductid").HasColumnName("mainproductid");
+                        j.IndexerProperty<int>("Attachedproductid").HasColumnName("attachedproductid");
+                    });
+        });
+
+        modelBuilder.Entity<Productphoto>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("productphoto_pkey");
+
+            entity.ToTable("productphoto");
+
+            entity.Property(e => e.Id).HasColumnName("id");
+            entity.Property(e => e.Photopath)
+                .HasMaxLength(1000)
+                .HasColumnName("photopath");
+            entity.Property(e => e.Productid).HasColumnName("productid");
+
+            entity.HasOne(d => d.Product).WithMany(p => p.Productphotos)
+                .HasForeignKey(d => d.Productid)
+                .OnDelete(DeleteBehavior.ClientSetNull)
+                .HasConstraintName("fk_productphoto_product");
+        });
+
+        modelBuilder.Entity<Productsale>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("productsale_pkey");
+
+            entity.ToTable("productsale");
+
+            entity.Property(e => e.Id).HasColumnName("id");
+            entity.Property(e => e.Clientserviceid).HasColumnName("clientserviceid");
+            entity.Property(e => e.Productid).HasColumnName("productid");
+            entity.Property(e => e.Quantity).HasColumnName("quantity");
+            entity.Property(e => e.Saledate)
+                .HasColumnType("timestamp(6) without time zone")
+                .HasColumnName("saledate");
+
+            entity.HasOne(d => d.Clientservice).WithMany(p => p.Productsales)
+                .HasForeignKey(d => d.Clientserviceid)
+                .HasConstraintName("fk_productsale_clientservice");
+
+            entity.HasOne(d => d.Product).WithMany(p => p.Productsales)
+                .HasForeignKey(d => d.Productid)
+                .OnDelete(DeleteBehavior.ClientSetNull)
+                .HasConstraintName("fk_productsale_product");
+        });
+
+        modelBuilder.Entity<Service>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("service_pkey");
+
+            entity.ToTable("service");
+
+            entity.Property(e => e.Id).HasColumnName("id");
+            entity.Property(e => e.Cost)
+                .HasPrecision(19, 4)
+                .HasColumnName("cost");
+            entity.Property(e => e.Description).HasColumnName("description");
+            entity.Property(e => e.Discount).HasColumnName("discount");
+            entity.Property(e => e.Durationinminutes).HasColumnName("durationinminutes");
+            entity.Property(e => e.Mainimagepath)
+                .HasMaxLength(1000)
+                .HasColumnName("mainimagepath");
+            entity.Property(e => e.Title)
+                .HasMaxLength(100)
+                .HasColumnName("title");
+        });
+
+        modelBuilder.Entity<Servicephoto>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("servicephoto_pkey");
+
+            entity.ToTable("servicephoto");
+
+            entity.Property(e => e.Id).HasColumnName("id");
+            entity.Property(e => e.Photopath)
+                .HasMaxLength(1000)
+                .HasColumnName("photopath");
+            entity.Property(e => e.Serviceid).HasColumnName("serviceid");
+
+            entity.HasOne(d => d.Service).WithMany(p => p.Servicephotos)
+                .HasForeignKey(d => d.Serviceid)
+                .OnDelete(DeleteBehavior.ClientSetNull)
+                .HasConstraintName("fk_servicephoto_service");
+        });
+
+        modelBuilder.Entity<Tag>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("tag_pkey");
+
+            entity.ToTable("tag");
+
+            entity.Property(e => e.Id).HasColumnName("id");
+            entity.Property(e => e.Color)
+                .HasMaxLength(6)
+                .IsFixedLength()
+                .HasColumnName("color");
+            entity.Property(e => e.Title)
+                .HasMaxLength(30)
+                .HasColumnName("title");
+        });
+
+        OnModelCreatingPartial(modelBuilder);
+    }
+
+    partial void OnModelCreatingPartial(ModelBuilder modelBuilder);
+}

Demo/EntityModels/Manufacturer.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+
+namespace Demo.EntityModels;
+
+public partial class Manufacturer
+{
+    public int Id { get; set; }
+
+    public string Name { get; set; } = null!;
+
+    public DateOnly? Startdate { get; set; }
+
+    public virtual ICollection<Product> Products { get; set; } = new List<Product>();
+}

Demo/EntityModels/Product.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+
+namespace Demo.EntityModels;
+
+public partial class Product
+{
+    public int Id { get; set; }
+
+    public string Title { get; set; } = null!;
+
+    public decimal Cost { get; set; }
+
+    public string? Description { get; set; }
+
+    public string? Mainimagepath { get; set; }
+
+    public int Isactive { get; set; }
+
+    public int? Manufacturerid { get; set; }
+
+    public virtual Manufacturer? Manufacturer { get; set; }
+
+    public virtual ICollection<Productphoto> Productphotos { get; set; } = new List<Productphoto>();
+
+    public virtual ICollection<Productsale> Productsales { get; set; } = new List<Productsale>();
+
+    public virtual ICollection<Product> Attachedproducts { get; set; } = new List<Product>();
+
+    public virtual ICollection<Product> Mainproducts { get; set; } = new List<Product>();
+}

Demo/EntityModels/Productphoto.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+
+namespace Demo.EntityModels;
+
+public partial class Productphoto
+{
+    public int Id { get; set; }
+
+    public int Productid { get; set; }
+
+    public string Photopath { get; set; } = null!;
+
+    public virtual Product Product { get; set; } = null!;
+}

Demo/EntityModels/Productsale.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+
+namespace Demo.EntityModels;
+
+public partial class Productsale
+{
+    public int Id { get; set; }
+
+    public DateTime Saledate { get; set; }
+
+    public int Productid { get; set; }
+
+    public int Quantity { get; set; }
+
+    public int? Clientserviceid { get; set; }
+
+    public virtual Clientservice? Clientservice { get; set; }
+
+    public virtual Product Product { get; set; } = null!;
+}

Demo/EntityModels/Service.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+
+namespace Demo.EntityModels;
+
+public partial class Service
+{
+    public int Id { get; set; }
+
+    public string Title { get; set; } = null!;
+
+    public decimal Cost { get; set; }
+
+    public int Durationinminutes { get; set; }
+
+    public string? Description { get; set; }
+
+    public double? Discount { get; set; }
+
+    public string? Mainimagepath { get; set; }
+
+    public virtual ICollection<Clientservice> Clientservices { get; set; } = new List<Clientservice>();
+
+    public virtual ICollection<Servicephoto> Servicephotos { get; set; } = new List<Servicephoto>();
+}

Demo/EntityModels/Servicephoto.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+
+namespace Demo.EntityModels;
+
+public partial class Servicephoto
+{
+    public int Id { get; set; }
+
+    public int Serviceid { get; set; }
+
+    public string Photopath { get; set; } = null!;
+
+    public virtual Service Service { get; set; } = null!;
+}

Demo/EntityModels/Tag.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+
+namespace Demo.EntityModels;
+
+public partial class Tag
+{
+    public int Id { get; set; }
+
+    public string Title { get; set; } = null!;
+
+    public string Color { get; set; } = null!;
+
+    public virtual ICollection<Client> Clients { get; set; } = new List<Client>();
+}

Demo/MainWindow.axaml

@@ -0,0 +1,45 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+        x:Class="Demo.MainWindow"
+		x:CompileBindings="False"
+        Title="Demo">
+	<DockPanel Background="{StaticResource AccentColor}">
+		<Border DockPanel.Dock="Top" Background="White">
+			<StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Spacing="25">
+				<TextBox Width="250" Name="SearchTextBox" TextChanging="SearchTextBox_TextChanging"/>
+				<ComboBox Name="DiscountComboBox"/>
+				<ComboBox Name="SortComboBox" SelectionChanged="SortComboBox_SelectionChanged"/>
+				<Button Name="ChangeModeButton" Click="ChangeModeButton_ClickAsync">Смена режима</Button>
+			</StackPanel>
+		</Border>
+		<Border DockPanel.Dock="Bottom" Background="Green">
+			<TextBlock Name="CountValues"/>
+		</Border>
+		<Border Width="250" Name="AdminPanel" DockPanel.Dock="Right" Background="Aqua" IsVisible="False">
+			<Image Name="MyImage" Width="100" Height="100"/>
+		</Border>
+		<Border>
+			<ListBox Name="ServiceList">
+				<ListBox.ItemTemplate>
+					<DataTemplate>
+						<StackPanel Orientation="Horizontal">
+							<Image />
+							<StackPanel Orientation="Vertical">
+								<TextBlock Text="{Binding ServiceName}" />
+								<TextBlock Text="{Binding ServicePriceMinutes}"/>
+								<TextBlock Text="{Binding ServiceDiscount}"/>
+								<StackPanel Name="AdminServicePanel" Orientation="Horizontal" IsVisible="{Binding AdminMode}">
+									<Button Name="EditButton" />
+									<Button Name="RemoveButton" />
+								</StackPanel>
+							</StackPanel>
+						</StackPanel>
+					</DataTemplate>
+				</ListBox.ItemTemplate>
+			</ListBox>
+		</Border>
+	</DockPanel>
+</Window>

Demo/MainWindow.axaml.cs

@@ -0,0 +1,156 @@
+
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Media;
+using Avalonia.Media.Imaging;
+using Avalonia.Platform;
+using Avalonia.Platform.Storage;
+using Demo.EntityModels;
+using Demo.Utils;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Threading.Tasks;
+using Tmds.DBus.Protocol;
+
+namespace Demo
+{
+    public partial class MainWindow : Window
+    {
+        //flags
+        private bool AdminMode = false;
+        private bool IsFiltred = false;
+        //null - nothing, 0 - asc, 1 - desc
+        private bool? SortedMode = null;
+
+
+        //changedList
+        private string SearchWord  = "";
+
+
+        //constants for comboboxes
+        private string[] sortValues = new string[3] { "îòñóò", "ïî âîçðàñò.", "ïî óáûâ." }; 
+
+        private List<Service> services = new List<Service>()
+            {
+                new Service(){ ServiceName = "Abc", ServiceDiscount="Abc", ServicePriceMinutes = "Abc" },
+                new Service(){ ServiceName = "cba", ServiceDiscount="cba", ServicePriceMinutes = "cba" },
+                new Service(){ ServiceName = "bca", ServiceDiscount="bca", ServicePriceMinutes = "bca" },
+                new Service(){ ServiceName = "ccb", ServiceDiscount="ccb", ServicePriceMinutes = "ccb" }
+            };
+      
+        public MainWindow()
+        {
+
+            InitializeComponent();
+
+
+            MyImage.Source = new Bitmap(AssetLoader.Open(new System.Uri("avares://Assets/service_layout.png")));
+
+            services = Context
+                .DbContext
+                .Services.Select(service => new Service
+                {
+                    ServiceDiscount = service.Discount.ToString(),
+                    ServiceName = service.Title,
+                    ServicePriceMinutes = $"{service.Cost}/{service.Durationinminutes}"
+                }).ToList();
+
+            SortComboBox.ItemsSource = sortValues;
+            SortComboBox.SelectedIndex = 0;
+            DisplayService();
+        }
+
+        private void Button_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
+        {
+            AdminPanel.IsVisible = !AdminPanel.IsVisible;
+        }
+
+        private void SearchTextBox_TextChanging(object? sender, Avalonia.Controls.TextChangingEventArgs e)
+        {
+            string inputValue = (sender as TextBox).Text;
+            SearchWord = inputValue.ToLower();
+            DisplayService();
+        }
+
+        public async void ChangeModeButton_ClickAsync(object sender, RoutedEventArgs e)
+        {
+            var changeModeDialog = new ChangeModeDialog();
+            AdminMode = await changeModeDialog.ShowDialog<bool>(this);
+            AdminPanel.IsVisible = AdminMode;
+            DisplayService();
+        }
+
+        private void DisplayService()
+        {
+            List<Service> displayList = services;
+            if (!string.IsNullOrEmpty(SearchWord)) {
+                displayList = 
+                    displayList
+                    .Where(x => 
+                    x.ServiceName
+                    .ToLower()
+                    .Contains(SearchWord)
+                    ).ToList();
+            }
+
+            switch (SortedMode)
+            {
+                case true: displayList =
+                        displayList
+                        .OrderBy(
+                            service => 
+                            service.ServiceName)
+                        .ToList(); break;
+                case false: displayList = 
+                        displayList
+                        .OrderByDescending(
+                            service => 
+                            service.ServiceName)
+                        .ToList(); break;
+                case null:
+                    break;
+
+            }
+
+  
+            ServiceList.ItemsSource = displayList
+                .Select(service => service.SetAdminMode(AdminMode))
+                .ToList();
+
+            CountValues.Text = $"Îòîáðæàåòñÿ:{displayList.Count}/Âñåãî:{services.Count}";
+        }
+
+
+
+        class Service()
+        {
+
+            public string ServiceName { get; set; }
+            public string ServicePriceMinutes { get; set; }
+            public string ServiceDiscount { get; set; }
+            public bool AdminMode { get; set; } = false;
+
+            public Service SetAdminMode(bool mode)
+            {
+                this.AdminMode = mode;
+                return this;
+            }
+
+        }
+
+        private void SortComboBox_SelectionChanged(object? sender, Avalonia.Controls.SelectionChangedEventArgs e)
+        {
+            int selectedIndex = (sender as ComboBox).SelectedIndex;
+            switch (selectedIndex) {
+                case 1: SortedMode = false; break;
+                case 2: SortedMode = true; break;
+                default:
+                    SortedMode = null; break;
+            }
+            DisplayService();
+        }
+
+       
+    }
+}

Demo/Program.cs

@@ -0,0 +1,22 @@
+using Avalonia;
+using System;
+
+namespace Demo
+{
+    internal 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.
+        [STAThread]
+        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()
+                .WithInterFont()
+                .LogToTrace();
+    }
+}

Demo/UI/ChangeModeDialog.axaml

@@ -0,0 +1,16 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" d:DesignWidth="150" d:DesignHeight="60"
+        x:Class="Demo.ChangeModeDialog"
+        Title="ChangeModeDialog">
+	<StackPanel Orientation="Vertical">
+		<TextBlock>Введите код для смены режима</TextBlock>
+		<TextBox Name="TextBoxCode"/>
+		<StackPanel Orientation="Horizontal">
+			<Button Name="SendButton" Click="SendButton_Click">Отрпавить</Button>
+			<Button Name="DeclineButton" Click="DeclineButton_Click">Отменить</Button>
+		</StackPanel>
+	</StackPanel>
+</Window>

Demo/UI/ChangeModeDialog.axaml.cs

@@ -0,0 +1,22 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Demo;
+
+public partial class ChangeModeDialog : Window
+{
+    public ChangeModeDialog()
+    {
+        InitializeComponent();
+    }
+
+    private void SendButton_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
+    {
+        if(TextBoxCode.Text == "0000") Close(true);
+    }
+    private void DeclineButton_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
+    {
+        Close(false);
+    }
+}

Demo/Utils/Context.cs

@@ -0,0 +1,15 @@
+using Demo.EntityModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.Utils
+{
+    public static class Context
+    {
+        public static IsajkinContext DbContext { get; set; } = new IsajkinContext();
+    }
+}
+

Demo/app.manifest

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+  <!-- This manifest is used on Windows only.
+       Don't remove it as it might cause problems with window transparency and embedded controls.
+       For more details visit https://learn.microsoft.com/en-us/windows/win32/sbscs/application-manifests -->
+  <assemblyIdentity version="1.0.0.0" name="Demo.Desktop"/>
+
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- A list of the Windows versions that this application has been tested on
+           and is designed to work with. Uncomment the appropriate elements
+           and Windows will automatically select the most compatible environment. -->
+
+      <!-- Windows 10 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
+    </application>
+  </compatibility>
+</assembly>

Demo/bin/Debug/net8.0/Demo.runtimeconfig.json

@@ -0,0 +1,14 @@
+{
+  "runtimeOptions": {
+    "tfm": "net8.0",
+    "framework": {
+      "name": "Microsoft.NETCore.App",
+      "version": "8.0.0"
+    },
+    "configProperties": {
+      "System.Reflection.NullabilityInfoContext.IsSupported": true,
+      "System.Runtime.InteropServices.BuiltInComInterop.IsSupported": true,
+      "System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization": false
+    }
+  }
+}