Модуль заказов

2026-02-10 22:32:28 +03:00
parent 12c86f9937
commit 3b2c0029a1
33 changed files with 1370 additions and 33 deletions
@@ -146,3 +146,7 @@ src/Modules/Geo/Tests/bin/
 src/Modules/Geo/Tests/obj/

 src/Modules/Geo/Presentation/bin/
+
+src/Modules/Order/Tests/bin/
+
+src/Modules/Order/Tests/obj/
@@ -77,6 +77,24 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{0AB3BF05
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Nashel.Modules.Identity.Tests", "src\Modules\Identity\Tests\Nashel.Modules.Identity.Tests.csproj", "{401E3B50-A6B8-4AA1-9DD3-41F9EC78FABD}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{827E0CD3-B72D-47B6-A68D-7590B98EB39B}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Modules", "Modules", "{EC447DCF-ABFA-6E24-52A5-D7FD48A5C558}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Order", "Order", "{2C821288-5B9D-778E-74EE-053FE87F223E}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Domain", "Domain", "{7D435AA2-42F6-BE60-ABDD-B2A72FA358F7}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Application", "Application", "{06FD8EF1-B9DE-B088-FC77-09DC201E1B21}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Infrastructure", "Infrastructure", "{159DA5B4-03CA-95B4-A9E1-B46977641578}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Presentation", "Presentation", "{D0003F1F-EE71-3913-8EC0-5F1638807A8D}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{FB27511E-CBA6-E343-8CE0-54AAD98AFC9F}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Nashel.Modules.Order.Tests", "src\Modules\Order\Tests\Nashel.Modules.Order.Tests.csproj", "{DC1E99E0-6B92-4FBD-B74B-68D202961FB7}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -411,6 +429,18 @@ Global
 		{401E3B50-A6B8-4AA1-9DD3-41F9EC78FABD}.Release|x64.Build.0 = Release|Any CPU
 		{401E3B50-A6B8-4AA1-9DD3-41F9EC78FABD}.Release|x86.ActiveCfg = Release|Any CPU
 		{401E3B50-A6B8-4AA1-9DD3-41F9EC78FABD}.Release|x86.Build.0 = Release|Any CPU
+		{DC1E99E0-6B92-4FBD-B74B-68D202961FB7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DC1E99E0-6B92-4FBD-B74B-68D202961FB7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DC1E99E0-6B92-4FBD-B74B-68D202961FB7}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{DC1E99E0-6B92-4FBD-B74B-68D202961FB7}.Debug|x64.Build.0 = Debug|Any CPU
+		{DC1E99E0-6B92-4FBD-B74B-68D202961FB7}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{DC1E99E0-6B92-4FBD-B74B-68D202961FB7}.Debug|x86.Build.0 = Debug|Any CPU
+		{DC1E99E0-6B92-4FBD-B74B-68D202961FB7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DC1E99E0-6B92-4FBD-B74B-68D202961FB7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DC1E99E0-6B92-4FBD-B74B-68D202961FB7}.Release|x64.ActiveCfg = Release|Any CPU
+		{DC1E99E0-6B92-4FBD-B74B-68D202961FB7}.Release|x64.Build.0 = Release|Any CPU
+		{DC1E99E0-6B92-4FBD-B74B-68D202961FB7}.Release|x86.ActiveCfg = Release|Any CPU
+		{DC1E99E0-6B92-4FBD-B74B-68D202961FB7}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -449,5 +479,13 @@ Global
 		{3266C089-BF45-8FB5-CBFB-520E7D591FF0} = {CA253913-39DE-BFD0-C9A3-4B7EC6FBDF17}
 		{6153DBFE-E924-7D0F-FF5C-84EC91E8B397} = {CA253913-39DE-BFD0-C9A3-4B7EC6FBDF17}
 		{401E3B50-A6B8-4AA1-9DD3-41F9EC78FABD} = {0AB3BF05-4346-4AA6-1389-037BE0695223}
+		{EC447DCF-ABFA-6E24-52A5-D7FD48A5C558} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
+		{2C821288-5B9D-778E-74EE-053FE87F223E} = {EC447DCF-ABFA-6E24-52A5-D7FD48A5C558}
+		{7D435AA2-42F6-BE60-ABDD-B2A72FA358F7} = {2C821288-5B9D-778E-74EE-053FE87F223E}
+		{06FD8EF1-B9DE-B088-FC77-09DC201E1B21} = {2C821288-5B9D-778E-74EE-053FE87F223E}
+		{159DA5B4-03CA-95B4-A9E1-B46977641578} = {2C821288-5B9D-778E-74EE-053FE87F223E}
+		{D0003F1F-EE71-3913-8EC0-5F1638807A8D} = {2C821288-5B9D-778E-74EE-053FE87F223E}
+		{FB27511E-CBA6-E343-8CE0-54AAD98AFC9F} = {2C821288-5B9D-778E-74EE-053FE87F223E}
+		{DC1E99E0-6B92-4FBD-B74B-68D202961FB7} = {FB27511E-CBA6-E343-8CE0-54AAD98AFC9F}
 	EndGlobalSection
 EndGlobal
@@ -15,6 +15,7 @@
      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
      <PrivateAssets>all</PrivateAssets>
    </PackageReference>
+    <PackageReference Include="Microsoft.OpenApi" Version="1.6.14" />
    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
  </ItemGroup>
  <ItemGroup>
@@ -8,6 +8,8 @@ using Nashel.Modules.Geo.Infrastructure;
 using Nashel.Modules.Geo.Presentation;
 using Nashel.Modules.Identity.Infrastructure;
 using Nashel.Modules.Identity.Presentation.Endpoints;
+using Nashel.Modules.Order.Infrastructure;
+using Nashel.Modules.Order.Presentation;

 var builder = WebApplication.CreateBuilder(args);

@@ -58,6 +60,9 @@ builder.Services.AddCatalogModule(builder.Configuration);
 // Регистрация модуля Geo
 builder.Services.AddGeoModule(builder.Configuration);

+// Регистрация модуля Order
+builder.Services.AddOrderModule(builder.Configuration);
+
 // Настройка аутентификации
 builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
    .AddJwtBearer(options =>
@@ -96,5 +101,6 @@ app.UseAuthorization();
 app.MapIdentityEndpoints();
 app.MapCatalogEndpoints();
 app.MapGeoEndpoints();
+app.MapOrderEndpoints();

 app.Run();
@@ -1,10 +0,0 @@
-namespace Nashel.Modules.Geo.Tests;
-
-public class UnitTest1
-{
-    [Fact]
-    public void Test1()
-    {
-
-    }
-}
@@ -1,10 +0,0 @@
-namespace Nashel.Modules.Identity.Tests;
-
-public class UnitTest1
-{
-    [Fact]
-    public void Test1()
-    {
-
-    }
-}
@@ -0,0 +1,53 @@
+using MediatR;
+using Nashel.Modules.Order.Domain.Repositories;
+using Nashel.Modules.Order.Domain.ValueObjects;
+
+namespace Nashel.Modules.Order.Application.Commands;
+
+/// <summary>
+/// Команда добавления отклика на заказ.
+/// </summary>
+public record AddApplicationCommand : IRequest<Unit>
+{
+    public Guid OrderId { get; init; }
+    public Guid PerformerId { get; init; }
+    public decimal Amount { get; init; }
+    public string Currency { get; init; } = "RUB";
+    public string Comment { get; init; } = string.Empty;
+
+    public AddApplicationCommand(Guid orderId, Guid performerId, decimal amount, string currency, string comment)
+    {
+        OrderId = orderId;
+        PerformerId = performerId;
+        Amount = amount;
+        Currency = currency;
+        Comment = comment;
+    }
+    public AddApplicationCommand() { }
+}
+
+public class AddApplicationHandler : IRequestHandler<AddApplicationCommand, Unit>
+{
+    private readonly IOrderRepository _repository;
+
+    public AddApplicationHandler(IOrderRepository repository)
+    {
+        _repository = repository;
+    }
+
+    public async Task<Unit> Handle(AddApplicationCommand request, CancellationToken cancellationToken)
+    {
+        var order = await _repository.GetByIdAsync(request.OrderId, cancellationToken);
+        if (order == null)
+        {
+            throw new KeyNotFoundException($"Order {request.OrderId} not found");
+        }
+
+        var price = new Money(request.Amount, request.Currency);
+        order.AddApplication(request.PerformerId, price, request.Comment);
+
+        await _repository.SaveChangesAsync(cancellationToken);
+
+        return Unit.Value;
+    }
+}
@@ -0,0 +1,37 @@
+using MediatR;
+using Nashel.Modules.Order.Domain.Repositories;
+
+namespace Nashel.Modules.Order.Application.Commands;
+
+/// <summary>
+/// Команда отмены заказа.
+/// </summary>
+public record CancelOrderCommand(Guid OrderId) : IRequest<Unit>
+{
+    public CancelOrderCommand() : this(Guid.Empty) { }
+}
+
+public class CancelOrderHandler : IRequestHandler<CancelOrderCommand, Unit>
+{
+    private readonly IOrderRepository _repository;
+
+    public CancelOrderHandler(IOrderRepository repository)
+    {
+        _repository = repository;
+    }
+
+    public async Task<Unit> Handle(CancelOrderCommand request, CancellationToken cancellationToken)
+    {
+        var order = await _repository.GetByIdAsync(request.OrderId, cancellationToken);
+        if (order == null)
+        {
+            throw new KeyNotFoundException($"Order {request.OrderId} not found");
+        }
+
+        order.Cancel();
+
+        await _repository.SaveChangesAsync(cancellationToken);
+
+        return Unit.Value;
+    }
+}
@@ -0,0 +1,70 @@
+using MediatR;
+using Nashel.Modules.Order.Domain.Enums;
+using Nashel.Modules.Order.Domain.Repositories;
+using Nashel.Modules.Order.Domain.ValueObjects;
+using NetTopologySuite.Geometries;
+
+namespace Nashel.Modules.Order.Application.Commands;
+
+/// <summary>
+/// Команда на создание заказа.
+/// </summary>
+public record CreateOrderCommand(
+    Guid CustomerId,
+    Guid ServiceId,
+    OrderType Type,
+    string Address,
+    double Latitude,
+    double Longitude,
+    DateTime? Deadline,
+    Guid? PerformerId
+) : IRequest<Guid>;
+
+public class CreateOrderHandler : IRequestHandler<CreateOrderCommand, Guid>
+{
+    private readonly IOrderRepository _repository;
+
+    public CreateOrderHandler(IOrderRepository repository)
+    {
+        _repository = repository;
+    }
+
+    public async Task<Guid> Handle(CreateOrderCommand request, CancellationToken cancellationToken)
+    {
+        // Создаем точку (WGS84)
+        var point = new Point(request.Longitude, request.Latitude) { SRID = 4326 };
+        var location = new OrderLocation(request.Address, point);
+
+        Nashel.Modules.Order.Domain.Aggregates.Order order;
+
+        if (request.Type == OrderType.Direct)
+        {
+            if (request.PerformerId == null)
+            {
+                throw new ArgumentException("PerformerId обязателен для прямого заказа.");
+            }
+
+            order = Nashel.Modules.Order.Domain.Aggregates.Order.CreateDirect(
+                request.CustomerId,
+                request.ServiceId,
+                request.PerformerId.Value,
+                location,
+                request.Deadline
+            );
+        }
+        else
+        {
+            order = Nashel.Modules.Order.Domain.Aggregates.Order.CreatePublic(
+                request.CustomerId,
+                request.ServiceId,
+                location,
+                request.Deadline
+            );
+        }
+
+        await _repository.AddAsync(order, cancellationToken);
+        await _repository.SaveChangesAsync(cancellationToken);
+
+        return order.Id;
+    }
+}
@@ -0,0 +1,60 @@
+using MediatR;
+using Nashel.Modules.Order.Application.Services;
+using Nashel.Modules.Order.Domain.Repositories;
+
+namespace Nashel.Modules.Order.Application.Commands;
+
+/// <summary>
+/// Команда выбора исполнителя.
+/// </summary>
+public record SelectPerformerCommand : IRequest<Unit>
+{
+    /// <summary>
+    /// Идентификатор заказа.
+    /// </summary>
+    public Guid OrderId { get; init; }
+
+    /// <summary>
+    /// Идентификатор исполнителя.
+    /// </summary>
+    public Guid PerformerId { get; init; }
+
+    public SelectPerformerCommand(Guid orderId, Guid performerId)
+    {
+        OrderId = orderId;
+        PerformerId = performerId;
+    }
+
+    public SelectPerformerCommand() { }
+}
+
+
+public class SelectPerformerHandler : IRequestHandler<SelectPerformerCommand, Unit>
+{
+    private readonly IOrderRepository _repository;
+    private readonly ISlaTimerService _slaTimerService;
+
+    public SelectPerformerHandler(IOrderRepository repository, ISlaTimerService slaTimerService)
+    {
+        _repository = repository;
+        _slaTimerService = slaTimerService;
+    }
+
+    public async Task<Unit> Handle(SelectPerformerCommand request, CancellationToken cancellationToken)
+    {
+        var order = await _repository.GetByIdAsync(request.OrderId, cancellationToken);
+        if (order == null)
+        {
+            throw new KeyNotFoundException($"Order {request.OrderId} not found");
+        }
+
+        order.SelectPerformer(request.PerformerId);
+
+        // Запускаем SLA таймер на 60 минут
+        await _slaTimerService.ScheduleAutoCancel(order.Id, TimeSpan.FromMinutes(60));
+
+        await _repository.SaveChangesAsync(cancellationToken);
+
+        return Unit.Value;
+    }
+}
@@ -0,0 +1,12 @@
+namespace Nashel.Modules.Order.Application.Services;
+
+/// <summary>
+/// Сервис управления SLA-таймерами.
+/// </summary>
+public interface ISlaTimerService
+{
+    /// <summary>
+    /// Запланировать автоматическую отмену заказа через заданное время.
+    /// </summary>
+    Task ScheduleAutoCancel(Guid orderId, TimeSpan delay);
+}
@@ -0,0 +1,101 @@
+using Nashel.BuildingBlocks.Domain;
+using Nashel.Modules.Order.Domain.Entities;
+using Nashel.Modules.Order.Domain.Enums;
+using Nashel.Modules.Order.Domain.ValueObjects;
+
+namespace Nashel.Modules.Order.Domain.Aggregates;
+
+/// <summary>
+/// Агрегат Заказ.
+/// </summary>
+public class Order : AggregateRoot<Guid>
+{
+    public Guid CustomerId { get; private set; }
+    public Guid ServiceId { get; private set; }
+    public OrderType Type { get; private set; }
+    public OrderStatus Status { get; private set; }
+    public Guid? SelectedPerformerId { get; private set; }
+    public DateTime? Deadline { get; private set; }
+    public OrderLocation Location { get; private set; } = null!;
+
+    // Optimistic Concurrency
+    public uint RowVersion { get; private set; }
+
+    private readonly List<OrderApplication> _applications = new();
+    public IReadOnlyCollection<OrderApplication> Applications => _applications.AsReadOnly();
+
+    private Order() { }
+
+    /// <summary>
+    /// Создание прямого заказа.
+    /// </summary>
+    public static Order CreateDirect(Guid customerId, Guid serviceId, Guid performerId, OrderLocation location, DateTime? deadline)
+    {
+        return new Order
+        {
+            Id = Guid.NewGuid(),
+            CustomerId = customerId,
+            ServiceId = serviceId,
+            Type = OrderType.Direct,
+            Status = OrderStatus.PendingAcceptance, // Сразу ждет подтверждения
+            SelectedPerformerId = performerId,
+            Location = location,
+            Deadline = deadline
+        };
+        // Для прямого заказа отклик можно создать косвенно или считать цену договорной.
+    }
+
+    /// <summary>
+    /// Создание публичной заявки.
+    /// </summary>
+    public static Order CreatePublic(Guid customerId, Guid serviceId, OrderLocation location, DateTime? deadline)
+    {
+        return new Order
+        {
+            Id = Guid.NewGuid(),
+            CustomerId = customerId,
+            ServiceId = serviceId,
+            Type = OrderType.PublicJob,
+            Status = OrderStatus.Published, // Публикуется для поиска
+            Location = location,
+            Deadline = deadline
+        };
+    }
+
+    public void AddApplication(Guid performerId, Money price, string comment)
+    {
+        if (Status != OrderStatus.Published)
+        {
+            throw new InvalidOperationException("Нельзя оставить отклик на заказ, который не опубликован.");
+        }
+
+        if (_applications.Any(a => a.PerformerId == performerId))
+        {
+            throw new InvalidOperationException("Исполнитель уже оставил отклик на этот заказ.");
+        }
+
+        _applications.Add(new OrderApplication(performerId, price, comment));
+    }
+
+    public void SelectPerformer(Guid performerId)
+    {
+        if (Status != OrderStatus.Published)
+        {
+            throw new InvalidOperationException("Выбрать исполнителя можно только для опубликованного заказа.");
+        }
+
+        var app = _applications.FirstOrDefault(a => a.PerformerId == performerId);
+        if (app == null)
+        {
+            throw new InvalidOperationException("Выбранный исполнитель не оставлял отклик.");
+        }
+
+        SelectedPerformerId = performerId;
+        Status = OrderStatus.PendingAcceptance;
+    }
+
+    public void Cancel()
+    {
+        Status = OrderStatus.Cancelled;
+    }
+}
@@ -0,0 +1,26 @@
+using Nashel.BuildingBlocks.Domain;
+using Nashel.Modules.Order.Domain.ValueObjects;
+
+namespace Nashel.Modules.Order.Domain.Entities;
+
+/// <summary>
+/// Отклик на заказ.
+/// </summary>
+public class OrderApplication : Entity<Guid>
+{
+    public Guid PerformerId { get; private set; }
+    public Money Price { get; private set; } = null!;
+    public string Comment { get; private set; } = string.Empty;
+    public DateTime CreatedAt { get; private set; }
+
+    private OrderApplication() { }
+
+    public OrderApplication(Guid performerId, Money price, string comment)
+    {
+        Id = Guid.NewGuid();
+        PerformerId = performerId;
+        Price = price;
+        Comment = comment;
+        CreatedAt = DateTime.UtcNow;
+    }
+}
@@ -0,0 +1,32 @@
+namespace Nashel.Modules.Order.Domain.Enums;
+
+/// <summary>
+/// Статус заказа.
+/// </summary>
+public enum OrderStatus
+{
+    /// <summary>
+    /// Создан.
+    /// </summary>
+    Created,
+    /// <summary>
+    /// Опубликован (поиск исполнителей).
+    /// </summary>
+    Published,
+    /// <summary>
+    /// Ожидает подтверждения (выбран исполнитель).
+    /// </summary>
+    PendingAcceptance,
+    /// <summary>
+    /// В работе.
+    /// </summary>
+    InProgress,
+    /// <summary>
+    /// Завершен.
+    /// </summary>
+    Completed,
+    /// <summary>
+    /// Отменен.
+    /// </summary>
+    Cancelled
+}
@@ -0,0 +1,16 @@
+namespace Nashel.Modules.Order.Domain.Enums;
+
+/// <summary>
+/// Тип заказа.
+/// </summary>
+public enum OrderType
+{
+    /// <summary>
+    /// Прямой заказ.
+    /// </summary>
+    Direct,
+    /// <summary>
+    /// Публичная заявка.
+    /// </summary>
+    PublicJob
+}
@@ -4,6 +4,10 @@
    <ProjectReference Include="..\..\..\BuildingBlocks\Nashel.BuildingBlocks.csproj" />
  </ItemGroup>

+  <ItemGroup>
+    <PackageReference Include="NetTopologySuite" Version="2.6.0" />
+  </ItemGroup>
+
  <PropertyGroup>
    <RootNamespace>Nashel.Modules.Order.Domain</RootNamespace>
    <TargetFramework>net10.0</TargetFramework>
@@ -0,0 +1,10 @@
+using OrderAggregate = Nashel.Modules.Order.Domain.Aggregates.Order;
+
+namespace Nashel.Modules.Order.Domain.Repositories;
+
+public interface IOrderRepository
+{
+    Task<OrderAggregate?> GetByIdAsync(Guid id, CancellationToken cancellationToken = default);
+    Task AddAsync(OrderAggregate order, CancellationToken cancellationToken = default);
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
@@ -0,0 +1,9 @@
+namespace Nashel.Modules.Order.Domain.ValueObjects;
+
+/// <summary>
+/// Денежная сумма.
+/// </summary>
+public record Money(decimal Amount, string Currency)
+{
+    public static Money Zero(string currency = "RUB") => new(0m, currency);
+}
@@ -0,0 +1,8 @@
+using NetTopologySuite.Geometries;
+
+namespace Nashel.Modules.Order.Domain.ValueObjects;
+
+/// <summary>
+/// Локация заказа.
+/// </summary>
+public record OrderLocation(string Address, Point Point);
@@ -0,0 +1,36 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Nashel.Modules.Order.Application.Commands;
+using Nashel.Modules.Order.Application.Services;
+using Nashel.Modules.Order.Domain.Repositories;
+using Nashel.Modules.Order.Infrastructure.Persistence;
+using Nashel.Modules.Order.Infrastructure.Persistence.Repositories;
+using Nashel.Modules.Order.Infrastructure.Services;
+using Npgsql;
+
+namespace Nashel.Modules.Order.Infrastructure;
+
+public static class DependencyInjection
+{
+    public static IServiceCollection AddOrderModule(this IServiceCollection services, IConfiguration configuration)
+    {
+        var connectionString = configuration.GetConnectionString("DefaultConnection");
+
+        services.AddDbContext<OrderDbContext>(options =>
+            options.UseNpgsql(
+                connectionString,
+                o => o.UseNetTopologySuite()
+            ));
+
+        services.AddScoped<IOrderRepository, OrderRepository>();
+        services.AddScoped<ISlaTimerService, DummySlaTimerService>();
+
+        services.AddMediatR(cfg =>
+        {
+            cfg.RegisterServicesFromAssembly(typeof(CreateOrderCommand).Assembly);
+        });
+
+        return services;
+    }
+}
@@ -0,0 +1,167 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Nashel.Modules.Order.Infrastructure.Persistence;
+using NetTopologySuite.Geometries;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Nashel.Modules.Order.Infrastructure.Migrations
+{
+    [DbContext(typeof(OrderDbContext))]
+    [Migration("20260210192734_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasDefaultSchema("ordering")
+                .HasAnnotation("ProductVersion", "10.0.2")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.HasPostgresExtension(modelBuilder, "postgis");
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Nashel.Modules.Order.Domain.Aggregates.Order", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("CustomerId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime?>("Deadline")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<uint>("RowVersion")
+                        .IsConcurrencyToken()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("xid")
+                        .HasColumnName("xmin");
+
+                    b.Property<Guid?>("SelectedPerformerId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("ServiceId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Orders", "ordering");
+                });
+
+            modelBuilder.Entity("Nashel.Modules.Order.Domain.Entities.OrderApplication", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Comment")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid?>("OrderId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("PerformerId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.ToTable("OrderApplications", "ordering");
+                });
+
+            modelBuilder.Entity("Nashel.Modules.Order.Domain.Aggregates.Order", b =>
+                {
+                    b.OwnsOne("Nashel.Modules.Order.Domain.ValueObjects.OrderLocation", "Location", b1 =>
+                        {
+                            b1.Property<Guid>("OrderId")
+                                .HasColumnType("uuid");
+
+                            b1.Property<string>("Address")
+                                .IsRequired()
+                                .HasColumnType("text")
+                                .HasColumnName("Address");
+
+                            b1.Property<Point>("Point")
+                                .IsRequired()
+                                .HasColumnType("geography (point)");
+
+                            b1.HasKey("OrderId");
+
+                            b1.HasIndex("Point");
+
+                            NpgsqlIndexBuilderExtensions.HasMethod(b1.HasIndex("Point"), "gist");
+
+                            b1.ToTable("Orders", "ordering");
+
+                            b1.WithOwner()
+                                .HasForeignKey("OrderId");
+                        });
+
+                    b.Navigation("Location")
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Nashel.Modules.Order.Domain.Entities.OrderApplication", b =>
+                {
+                    b.HasOne("Nashel.Modules.Order.Domain.Aggregates.Order", null)
+                        .WithMany("Applications")
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.OwnsOne("Nashel.Modules.Order.Domain.ValueObjects.Money", "Price", b1 =>
+                        {
+                            b1.Property<Guid>("OrderApplicationId")
+                                .HasColumnType("uuid");
+
+                            b1.Property<decimal>("Amount")
+                                .HasColumnType("numeric")
+                                .HasColumnName("PriceAmount");
+
+                            b1.Property<string>("Currency")
+                                .IsRequired()
+                                .HasMaxLength(3)
+                                .HasColumnType("character varying(3)")
+                                .HasColumnName("PriceCurrency");
+
+                            b1.HasKey("OrderApplicationId");
+
+                            b1.ToTable("OrderApplications", "ordering");
+
+                            b1.WithOwner()
+                                .HasForeignKey("OrderApplicationId");
+                        });
+
+                    b.Navigation("Price")
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Nashel.Modules.Order.Domain.Aggregates.Order", b =>
+                {
+                    b.Navigation("Applications");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
@@ -0,0 +1,93 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using NetTopologySuite.Geometries;
+
+#nullable disable
+
+namespace Nashel.Modules.Order.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.EnsureSchema(
+                name: "ordering");
+
+            migrationBuilder.AlterDatabase()
+                .Annotation("Npgsql:PostgresExtension:postgis", ",,");
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                schema: "ordering",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    CustomerId = table.Column<Guid>(type: "uuid", nullable: false),
+                    ServiceId = table.Column<Guid>(type: "uuid", nullable: false),
+                    Type = table.Column<string>(type: "text", nullable: false),
+                    Status = table.Column<string>(type: "text", nullable: false),
+                    SelectedPerformerId = table.Column<Guid>(type: "uuid", nullable: true),
+                    Deadline = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
+                    Address = table.Column<string>(type: "text", nullable: false),
+                    Location_Point = table.Column<Point>(type: "geography (point)", nullable: false),
+                    xmin = table.Column<uint>(type: "xid", rowVersion: true, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "OrderApplications",
+                schema: "ordering",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    PerformerId = table.Column<Guid>(type: "uuid", nullable: false),
+                    PriceAmount = table.Column<decimal>(type: "numeric", nullable: false),
+                    PriceCurrency = table.Column<string>(type: "character varying(3)", maxLength: 3, nullable: false),
+                    Comment = table.Column<string>(type: "text", nullable: false),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    OrderId = table.Column<Guid>(type: "uuid", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_OrderApplications", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_OrderApplications_Orders_OrderId",
+                        column: x => x.OrderId,
+                        principalSchema: "ordering",
+                        principalTable: "Orders",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_OrderApplications_OrderId",
+                schema: "ordering",
+                table: "OrderApplications",
+                column: "OrderId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_Location_Point",
+                schema: "ordering",
+                table: "Orders",
+                column: "Location_Point")
+                .Annotation("Npgsql:IndexMethod", "gist");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "OrderApplications",
+                schema: "ordering");
+
+            migrationBuilder.DropTable(
+                name: "Orders",
+                schema: "ordering");
+        }
+    }
+}
@@ -0,0 +1,164 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Nashel.Modules.Order.Infrastructure.Persistence;
+using NetTopologySuite.Geometries;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Nashel.Modules.Order.Infrastructure.Migrations
+{
+    [DbContext(typeof(OrderDbContext))]
+    partial class OrderDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasDefaultSchema("ordering")
+                .HasAnnotation("ProductVersion", "10.0.2")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.HasPostgresExtension(modelBuilder, "postgis");
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Nashel.Modules.Order.Domain.Aggregates.Order", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("CustomerId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime?>("Deadline")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<uint>("RowVersion")
+                        .IsConcurrencyToken()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("xid")
+                        .HasColumnName("xmin");
+
+                    b.Property<Guid?>("SelectedPerformerId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("ServiceId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Orders", "ordering");
+                });
+
+            modelBuilder.Entity("Nashel.Modules.Order.Domain.Entities.OrderApplication", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Comment")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid?>("OrderId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("PerformerId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.ToTable("OrderApplications", "ordering");
+                });
+
+            modelBuilder.Entity("Nashel.Modules.Order.Domain.Aggregates.Order", b =>
+                {
+                    b.OwnsOne("Nashel.Modules.Order.Domain.ValueObjects.OrderLocation", "Location", b1 =>
+                        {
+                            b1.Property<Guid>("OrderId")
+                                .HasColumnType("uuid");
+
+                            b1.Property<string>("Address")
+                                .IsRequired()
+                                .HasColumnType("text")
+                                .HasColumnName("Address");
+
+                            b1.Property<Point>("Point")
+                                .IsRequired()
+                                .HasColumnType("geography (point)");
+
+                            b1.HasKey("OrderId");
+
+                            b1.HasIndex("Point");
+
+                            NpgsqlIndexBuilderExtensions.HasMethod(b1.HasIndex("Point"), "gist");
+
+                            b1.ToTable("Orders", "ordering");
+
+                            b1.WithOwner()
+                                .HasForeignKey("OrderId");
+                        });
+
+                    b.Navigation("Location")
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Nashel.Modules.Order.Domain.Entities.OrderApplication", b =>
+                {
+                    b.HasOne("Nashel.Modules.Order.Domain.Aggregates.Order", null)
+                        .WithMany("Applications")
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.OwnsOne("Nashel.Modules.Order.Domain.ValueObjects.Money", "Price", b1 =>
+                        {
+                            b1.Property<Guid>("OrderApplicationId")
+                                .HasColumnType("uuid");
+
+                            b1.Property<decimal>("Amount")
+                                .HasColumnType("numeric")
+                                .HasColumnName("PriceAmount");
+
+                            b1.Property<string>("Currency")
+                                .IsRequired()
+                                .HasMaxLength(3)
+                                .HasColumnType("character varying(3)")
+                                .HasColumnName("PriceCurrency");
+
+                            b1.HasKey("OrderApplicationId");
+
+                            b1.ToTable("OrderApplications", "ordering");
+
+                            b1.WithOwner()
+                                .HasForeignKey("OrderApplicationId");
+                        });
+
+                    b.Navigation("Price")
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Nashel.Modules.Order.Domain.Aggregates.Order", b =>
+                {
+                    b.Navigation("Applications");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
@@ -1,16 +1,23 @@
 <Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <NoWarn>$(NoWarn);1591</NoWarn>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="NetTopologySuite.IO.PostGis" Version="2.1.0" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="10.0.0" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL.NetTopologySuite" Version="10.0.0" />
+  </ItemGroup>
+
  <ItemGroup>
    <ProjectReference Include="..\..\..\BuildingBlocks\Nashel.BuildingBlocks.csproj" />
    <ProjectReference Include="..\Application\Nashel.Modules.Order.Application.csproj" />
    <ProjectReference Include="..\Domain\Nashel.Modules.Order.Domain.csproj" />
  </ItemGroup>
-  <ItemGroup>
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="10.0.0" />
-  </ItemGroup>
-  <PropertyGroup>
-    <RootNamespace>Nashel.Modules.Order.Infrastructure</RootNamespace>
-    <TargetFramework>net10.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
+
 </Project>
@@ -0,0 +1,54 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using Nashel.Modules.Order.Domain.Aggregates;
+using Nashel.Modules.Order.Domain.Entities;
+
+namespace Nashel.Modules.Order.Infrastructure.Persistence.Configurations;
+
+public class OrderConfiguration : IEntityTypeConfiguration<Nashel.Modules.Order.Domain.Aggregates.Order>
+{
+    public void Configure(EntityTypeBuilder<Nashel.Modules.Order.Domain.Aggregates.Order> builder)
+    {
+        builder.ToTable("Orders", "ordering");
+
+        builder.HasKey(o => o.Id);
+
+        // Optimistic Concurrency (xmin mapping for uint)
+        builder.Property(o => o.RowVersion)
+               .IsRowVersion();
+
+        builder.Property(o => o.Type)
+               .HasConversion<string>();
+
+        builder.Property(o => o.Status)
+               .HasConversion<string>();
+
+        builder.OwnsOne(o => o.Location, nav =>
+        {
+            nav.Property(l => l.Address).HasColumnName("Address");
+            nav.Property(l => l.Point).HasColumnType("geography (point)");
+            nav.HasIndex(l => l.Point).HasMethod("gist");
+        });
+
+        builder.HasMany(o => o.Applications)
+               .WithOne()
+               .HasForeignKey("OrderId")
+               .OnDelete(DeleteBehavior.Cascade);
+    }
+}
+
+public class OrderApplicationConfiguration : IEntityTypeConfiguration<OrderApplication>
+{
+    public void Configure(EntityTypeBuilder<OrderApplication> builder)
+    {
+        builder.ToTable("OrderApplications", "ordering");
+
+        builder.HasKey(x => x.Id);
+
+        builder.OwnsOne(x => x.Price, money =>
+        {
+            money.Property(m => m.Amount).HasColumnName("PriceAmount");
+            money.Property(m => m.Currency).HasColumnName("PriceCurrency").HasMaxLength(3);
+        });
+    }
+}
@@ -0,0 +1,25 @@
+using Microsoft.EntityFrameworkCore;
+using Nashel.Modules.Order.Domain.Aggregates;
+using Nashel.Modules.Order.Domain.Entities;
+using Nashel.Modules.Order.Infrastructure.Persistence.Configurations;
+
+namespace Nashel.Modules.Order.Infrastructure.Persistence;
+
+public class OrderDbContext : DbContext
+{
+    public OrderDbContext(DbContextOptions<OrderDbContext> options) : base(options)
+    {
+    }
+
+    public DbSet<Nashel.Modules.Order.Domain.Aggregates.Order> Orders { get; set; } = null!;
+    public DbSet<OrderApplication> OrderApplications { get; set; } = null!;
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        modelBuilder.HasDefaultSchema("ordering");
+        modelBuilder.HasPostgresExtension("postgis");
+        modelBuilder.ApplyConfigurationsFromAssembly(typeof(OrderConfiguration).Assembly);
+
+        base.OnModelCreating(modelBuilder);
+    }
+}
@@ -0,0 +1,33 @@
+using Microsoft.EntityFrameworkCore;
+using Nashel.Modules.Order.Domain.Repositories;
+using Nashel.Modules.Order.Infrastructure.Persistence;
+using OrderAggregate = Nashel.Modules.Order.Domain.Aggregates.Order;
+
+namespace Nashel.Modules.Order.Infrastructure.Persistence.Repositories;
+
+public class OrderRepository : IOrderRepository
+{
+    private readonly OrderDbContext _context;
+
+    public OrderRepository(OrderDbContext context)
+    {
+        _context = context;
+    }
+
+    public async Task AddAsync(OrderAggregate order, CancellationToken cancellationToken = default)
+    {
+        await _context.Orders.AddAsync(order, cancellationToken);
+    }
+
+    public async Task<OrderAggregate?> GetByIdAsync(Guid id, CancellationToken cancellationToken = default)
+    {
+        return await _context.Orders
+            .Include(o => o.Applications)
+            .FirstOrDefaultAsync(o => o.Id == id, cancellationToken);
+    }
+
+    public async Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        await _context.SaveChangesAsync(cancellationToken);
+    }
+}
@@ -0,0 +1,20 @@
+using Microsoft.Extensions.Logging;
+using Nashel.Modules.Order.Application.Services;
+
+namespace Nashel.Modules.Order.Infrastructure.Services;
+
+public class DummySlaTimerService : ISlaTimerService
+{
+    private readonly ILogger<DummySlaTimerService> _logger;
+
+    public DummySlaTimerService(ILogger<DummySlaTimerService> logger)
+    {
+        _logger = logger;
+    }
+
+    public Task ScheduleAutoCancel(Guid orderId, TimeSpan delay)
+    {
+        _logger.LogInformation("SLA Timer scheduled for Order {OrderId} in {Delay}.", orderId, delay);
+        return Task.CompletedTask;
+    }
+}
@@ -1,11 +1,24 @@
 <Project Sdk="Microsoft.NET.Sdk">
-  <ItemGroup>
-    <ProjectReference Include="..\Application\Nashel.Modules.Order.Application.csproj" />
-  </ItemGroup>
+
  <PropertyGroup>
-    <RootNamespace>Nashel.Modules.Order.Presentation</RootNamespace>
    <TargetFramework>net10.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <NoWarn>$(NoWarn);1591</NoWarn>
  </PropertyGroup>
+
+  <ItemGroup>
+    <FrameworkReference Include="Microsoft.AspNetCore.App" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="MediatR" Version="14.0.0" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Application\Nashel.Modules.Order.Application.csproj" />
+  </ItemGroup>
+
 </Project>
@@ -0,0 +1,87 @@
+using MediatR;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Routing;
+using Nashel.Modules.Order.Application.Commands;
+using Nashel.Modules.Order.Domain.Enums;
+
+namespace Nashel.Modules.Order.Presentation;
+
+public static class OrderEndpoints
+{
+    public static void MapOrderEndpoints(this IEndpointRouteBuilder app)
+    {
+        var group = app.MapGroup("/api/orders").WithTags("Orders");
+
+        group.MapPost("/", async (CreateOrderRequest request, ISender sender) =>
+        {
+            var command = new CreateOrderCommand(
+                request.CustomerId,
+                request.ServiceId,
+                request.Type,
+                request.Address,
+                request.Latitude,
+                request.Longitude,
+                request.Deadline,
+                request.PerformerId
+            );
+            var orderId = await sender.Send(command);
+            return Results.Ok(orderId);
+        })
+        .WithName("CreateOrder")
+        .WithOpenApi(operation => new(operation) { Summary = "Создание нового заказа.", Description = "Создает прямой или публичный заказ." });
+
+        group.MapPost("/{id:guid}/applications", async (Guid id, AddApplicationRequest request, ISender sender) =>
+        {
+            var command = new AddApplicationCommand(
+                id,
+                request.PerformerId,
+                request.Amount,
+                request.Currency,
+                request.Comment
+            );
+            await sender.Send(command);
+            return Results.Ok();
+        })
+        .WithName("AddOrderApplication")
+        .WithOpenApi(operation => new(operation) { Summary = "Добавление отклика на заказ." });
+
+        group.MapPost("/{id:guid}/select-performer", async (Guid id, SelectPerformerRequest request, ISender sender) =>
+        {
+            var command = new SelectPerformerCommand(id, request.PerformerId);
+            await sender.Send(command);
+            return Results.Ok();
+        })
+        .WithName("SelectPerformer")
+        .WithOpenApi(operation => new(operation) { Summary = "Выбор исполнителя для заказа." });
+    }
+}
+
+/// <summary>
+/// Запрос на создание заказа.
+/// </summary>
+public record CreateOrderRequest(
+    Guid CustomerId,
+    Guid ServiceId,
+    OrderType Type,
+    string Address,
+    double Latitude,
+    double Longitude,
+    DateTime? Deadline,
+    Guid? PerformerId
+);
+
+/// <summary>
+/// Запрос на добавление отклика.
+/// </summary>
+public record AddApplicationRequest(
+    Guid PerformerId,
+    decimal Amount,
+    string Currency,
+    string Comment
+);
+
+/// <summary>
+/// Запрос на выбор исполнителя.
+/// </summary>
+public record SelectPerformerRequest(Guid PerformerId);
@@ -0,0 +1,61 @@
+using FluentAssertions;
+using MediatR;
+using NSubstitute;
+using Nashel.Modules.Order.Application.Commands;
+using Nashel.Modules.Order.Application.Services;
+using Nashel.Modules.Order.Domain.Enums;
+using Nashel.Modules.Order.Domain.Repositories;
+using Nashel.Modules.Order.Domain.ValueObjects;
+using NetTopologySuite.Geometries;
+using Xunit;
+
+namespace Nashel.Modules.Order.Tests.Application;
+
+public class SelectPerformerHandlerTests
+{
+    private readonly IOrderRepository _repository;
+    private readonly ISlaTimerService _slaTimerService;
+    private readonly SelectPerformerHandler _handler;
+
+    public SelectPerformerHandlerTests()
+    {
+        _repository = Substitute.For<IOrderRepository>();
+        _slaTimerService = Substitute.For<ISlaTimerService>();
+        _handler = new SelectPerformerHandler(_repository, _slaTimerService);
+    }
+
+    [Fact]
+    public async Task Handle_Should_Call_SlaTimer()
+    {
+        // Arrange
+        var customerId = Guid.NewGuid();
+        var serviceId = Guid.NewGuid();
+        var performerId = Guid.NewGuid();
+        var location = new OrderLocation("Test St", new Point(10, 20));
+        
+        // Создаем публичный заказ (Status = Published)
+        var order = Nashel.Modules.Order.Domain.Aggregates.Order.CreatePublic(
+            customerId, serviceId, location, null);
+
+        // Добавляем отклик исполнителя
+        order.AddApplication(performerId, new Money(100, "RUB"), "Comment");
+
+        // Mock Repository
+        _repository.GetByIdAsync(order.Id, Arg.Any<CancellationToken>()).Returns(order);
+
+        var command = new SelectPerformerCommand(order.Id, performerId);
+
+        // Act
+        await _handler.Handle(command, CancellationToken.None);
+
+        // Assert
+        // Проверяем изменение статуса
+        order.Status.Should().Be(OrderStatus.PendingAcceptance);
+        
+        // Проверяем вызов SLA таймера (60 минут)
+        await _slaTimerService.Received(1).ScheduleAutoCancel(order.Id, Arg.Is<TimeSpan>(t => t.TotalMinutes == 60));
+        
+        // Проверяем сохранение в БД
+        await _repository.Received(1).SaveChangesAsync(Arg.Any<CancellationToken>());
+    }
+}
@@ -0,0 +1,70 @@
+using FluentAssertions;
+using Nashel.Modules.Order.Domain.Enums;
+using Nashel.Modules.Order.Domain.ValueObjects;
+using NetTopologySuite.Geometries;
+using Xunit;
+
+namespace Nashel.Modules.Order.Tests.Domain;
+
+public class OrderAggregateTests
+{
+    [Fact]
+    public void CreateDirect_Should_SetStatus_PendingAcceptance()
+    {
+        // Arrange
+        var customerId = Guid.NewGuid();
+        var serviceId = Guid.NewGuid();
+        var performerId = Guid.NewGuid();
+        var location = new OrderLocation("Test St", new Point(10, 20));
+        
+        // Act
+        var order = Nashel.Modules.Order.Domain.Aggregates.Order.CreateDirect(
+            customerId, serviceId, performerId, location, DateTime.UtcNow.AddDays(1));
+
+        // Assert
+        order.Status.Should().Be(OrderStatus.PendingAcceptance);
+        order.SelectedPerformerId.Should().Be(performerId);
+        order.Type.Should().Be(OrderType.Direct);
+    }
+
+    [Fact]
+    public void AddApplication_Should_Throw_If_OrderNotPublished()
+    {
+        // Arrange
+        var customerId = Guid.NewGuid();
+        var serviceId = Guid.NewGuid();
+        var performerId = Guid.NewGuid();
+        var location = new OrderLocation("Test St", new Point(10, 20));
+        // Direct order created in PendingAcceptance
+        var order = Nashel.Modules.Order.Domain.Aggregates.Order.CreateDirect(
+            customerId, serviceId, performerId, location, null);
+            
+        // Act
+        var action = () => order.AddApplication(Guid.NewGuid(), new Money(100, "RUB"), "Comment");
+
+        // Assert
+        action.Should().Throw<InvalidOperationException>()
+            .WithMessage("Нельзя оставить отклик на заказ, который не опубликован.*"); // Regex match
+    }
+
+    [Fact]
+    public void SelectPerformer_Should_ChangeStatus_To_Pending()
+    {
+        // Arrange
+        var customerId = Guid.NewGuid();
+        var serviceId = Guid.NewGuid();
+        var location = new OrderLocation("Test St", new Point(10, 20));
+        var order = Nashel.Modules.Order.Domain.Aggregates.Order.CreatePublic(
+            customerId, serviceId, location, null);
+            
+        var performerId = Guid.NewGuid();
+        order.AddApplication(performerId, new Money(100, "RUB"), "Comment");
+        
+        // Act
+        order.SelectPerformer(performerId);
+
+        // Assert
+        order.Status.Should().Be(OrderStatus.PendingAcceptance);
+        order.SelectedPerformerId.Should().Be(performerId);
+    }
+}
@@ -0,0 +1,40 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="FluentAssertions">
+      <Version>8.8.0</Version>
+    </PackageReference>
+    <PackageReference Include="Microsoft.NET.Test.Sdk">
+      <Version>18.0.1</Version>
+    </PackageReference>
+    <PackageReference Include="NetTopologySuite">
+      <Version>2.6.0</Version>
+    </PackageReference>
+    <PackageReference Include="NSubstitute">
+      <Version>5.3.0</Version>
+    </PackageReference>
+    <PackageReference Include="xunit">
+      <Version>2.9.3</Version>
+    </PackageReference>
+    <PackageReference Include="xunit.runner.visualstudio">
+      <Version>3.1.5</Version>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Domain\Nashel.Modules.Order.Domain.csproj" />
+    <ProjectReference Include="..\Application\Nashel.Modules.Order.Application.csproj" />
+    <ProjectReference Include="..\Infrastructure\Nashel.Modules.Order.Infrastructure.csproj" />
+  </ItemGroup>
+
+    <!-- Implicit using of FluentAssertions might be useful but explicit is safer -->
+</Project>