Steps including creation of Singleton are done.

DressAtelierBusinessLogic/BusinessLogic/DressLogic.cs

@@ -0,0 +1,127 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.BusinessLogicContracts;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.StorageContracts;
+using DressAtelierContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierBusinessLogic.BusinessLogic
+{
+    public class DressLogic : IDressLogic
+    {
+        private readonly ILogger _logger;
+
+        private readonly IDressStorage _productStorage;
+
+        public DressLogic(ILogger<DressLogic> logger, IDressStorage productStorage)
+        {
+            _logger = logger;
+            _productStorage = productStorage;
+        }
+        public bool Create(DressBindingModel model)
+        {
+            CheckModel(model);
+            if(_productStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(DressBindingModel model)
+        {
+            CheckModel(model);
+            if (_productStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(DressBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. ID:{ID}", model.ID);
+            if (_productStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public DressViewModel? ReadElement(DressSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("ReadElement. ProductName:{ProductName}.ID:{ ID}", model.ProductName, model.ID);
+
+            var element = _productStorage.GetElement(model);
+
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+
+            _logger.LogInformation("ReadElement find. ID:{ID}", element.ID);
+            return element;
+        }
+
+        public List<DressViewModel>? ReadList(DressSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. ProductName:{ProductName}. ID:{ ID}", model?.ProductName, model?.ID);
+
+            var list = model == null ? _productStorage.GetFullList() : _productStorage.GetFilteredList(model);
+
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        private void CheckModel(DressBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.ProductName))
+            {
+                throw new ArgumentNullException("Invalid name of product",nameof(model.ProductName));
+            }
+            if (model.Price <= 0)
+            {
+                throw new ArgumentNullException("Price of product should be higher than 0", nameof(model.Price));
+            }
+            _logger.LogInformation("Product. ProductName:{ProductName}. Cost:{Cost}. ID: {ID}", model.ProductName, model.Price, model.ID);
+
+            var element = _productStorage.GetElement(new DressSearchModel
+            {
+                ProductName = model.ProductName,
+            });
+
+            if (element != null && element.ID != model.ID)
+            {
+                throw new InvalidOperationException("Product with such name already exists");
+            }
+        }
+    }
+}

DressAtelierBusinessLogic/BusinessLogic/MaterialComponentsLogic.cs

@@ -0,0 +1,131 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.BusinessLogicContracts;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.StorageContracts;
+using DressAtelierContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierBusinessLogic.BusinessLogic
+{
+    public class MaterialComponentsLogic : IMaterialLogic
+    {
+        private readonly ILogger _logger;
+
+        private readonly IMaterialStorage _componentStorage;
+        public MaterialComponentsLogic(ILogger<MaterialComponentsLogic> logger, IMaterialStorage componentStorage)
+        {
+            _logger = logger;
+            _componentStorage = componentStorage;
+        }
+
+        public bool Create(MaterialBindingModel model)
+        {
+            CheckModel(model);
+            if (_componentStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(MaterialBindingModel model)
+        {
+            CheckModel(model);
+            if (_componentStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+
+        }
+
+        public bool Delete(MaterialBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. ID:{ID}", model.ID);
+            if (_componentStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+
+        }
+
+        public MaterialViewModel? ReadElement(MaterialSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("ReadElement. ComponentName:{ComponentName}.ID:{ ID}", model.ComponentName, model.ID);
+
+            var element = _componentStorage.GetElement(model);
+
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+
+            _logger.LogInformation("ReadElement find. ID:{ID}", element.ID);
+            return element;
+        }
+      
+        public List<MaterialViewModel>? ReadList(MaterialSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. ComponentName:{ComponentName}. ID:{ ID}", model?.ComponentName, model?.ID);
+            
+            var list = model == null ? _componentStorage.GetFullList() : _componentStorage.GetFilteredList(model);
+
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+
+        }
+
+        private void CheckModel(MaterialBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                throw new ArgumentNullException("Invalid name of component", nameof(model.ComponentName));
+            }
+            if (model.Cost <= 0)
+            {
+                throw new ArgumentNullException("Price of component should be higher than 0", nameof(model.Cost));
+            }
+            _logger.LogInformation("Component. ComponentName:{ComponentName}. Cost:{ Cost}. ID: { ID} ", model.ComponentName, model.Cost, model.ID);
+             
+            var element = _componentStorage.GetElement(new MaterialSearchModel
+            {
+                 ComponentName = model.ComponentName
+            });
+
+            if (element != null && element.ID != model.ID)
+            {
+                throw new InvalidOperationException("Component with such name already exists.");
+            }
+        }
+
+    }
+}

DressAtelierBusinessLogic/BusinessLogic/OrderLogic.cs

@@ -0,0 +1,122 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.BusinessLogicContracts;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.StorageContracts;
+using DressAtelierContracts.ViewModels;
+using DressAtelierDataModels.Enums;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierBusinessLogic.BusinessLogic
+{
+    public class OrderLogic : IOrderLogic
+    {
+        private readonly ILogger _logger;
+
+        private readonly IOrderStorage _orderStorage;
+
+        public OrderLogic(ILogger logger, IOrderStorage orderStorage)
+        {
+            _logger = logger;
+            _orderStorage = orderStorage;
+        }
+
+        public bool CreateOrder(OrderBindingModel model)
+        {
+            CheckModel(model);
+
+            if (model.Status != OrderStatus.Unknown)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+
+            model.Status = OrderStatus.Accepted;
+            if (_orderStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool GivenOrder(OrderBindingModel model)
+        {
+            CheckModel(model);
+            _logger.LogInformation("Update to given status. ID:{ID}", model.ID);
+            if (_orderStorage.Update(model) == null || model.Status == OrderStatus.Ready)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            model.Status = OrderStatus.Given;
+
+            return true;
+        }
+
+        public bool ReadyOrder(OrderBindingModel model)
+        {
+            CheckModel(model);
+            _logger.LogInformation("Update to ready status. ID:{ID}", model.ID);
+            if (_orderStorage.Update(model) == null || model.Status == OrderStatus.InProcess)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            model.Status = OrderStatus.Ready;
+            model.DateImplement = DateTime.Now;
+            return true;
+        }
+
+        public bool TakeOrderInWork(OrderBindingModel model)
+        {
+            CheckModel(model);
+            _logger.LogInformation("Update to ready status. ID:{ID}", model.ID);
+            if (_orderStorage.Update(model) == null || model.Status == OrderStatus.Accepted)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            model.Status = OrderStatus.InProcess;
+            return true;
+        }
+
+        public List<OrderViewModel>? ReadList(OrderSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. OrderID:{ID}",model.ID);
+
+            var list = model == null ? _orderStorage.GetFullList() : _orderStorage.GetFilteredList(model);
+
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public void CheckModel(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("Order. OrderID: { ID} ",model.ID);
+
+            var element = _orderStorage.GetElement(new OrderSearchModel
+            {
+                ID = model.ID
+            });
+
+            if (element == null)
+            {
+                throw new InvalidOperationException("Order with such name already exists.");
+            }
+        }
+    }
+}

DressAtelierBusinessLogic/DressAtelierBusinessLogic.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\DressAtelierContracts\DressAtelierContracts.csproj" />
+  </ItemGroup>
+
+</Project>

DressAtelierContracts/BindingModels/DressBindingModel.cs

@@ -0,0 +1,20 @@
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.BindingModels
+{
+    public class DressBindingModel : IDressModel
+    {
+        public int ID { get; set; }
+        public string ProductName { get; set; } = string.Empty;
+
+        public double Price { get; set; }
+
+        public Dictionary<int, (IMaterialModel, int)> ProductComponents { get; set; } = new();
+
+    }
+}

DressAtelierContracts/BindingModels/MaterialBindingModel.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using DressAtelierDataModels.Models;
+
+namespace DressAtelierContracts.BindingModels
+{
+    public class MaterialBindingModel : IMaterialModel
+    {
+        public int ID { get; set; }
+
+        public string ComponentName { get; set; } = string.Empty;
+
+        public double Cost { get; set; }
+    }
+}

DressAtelierContracts/BindingModels/OrderBindingModel.cs

@@ -0,0 +1,27 @@
+using DressAtelierDataModels.Enums;
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.BindingModels
+{
+    public class OrderBindingModel : IOrderModel
+    {
+        public int ProductID { get; set; }
+
+        public int Count { get; set; }
+
+        public double Sum { get; set; }
+
+        public OrderStatus Status { get; set; } = OrderStatus.Unknown;
+
+        public DateTime DateCreate { get; set; } = DateTime.Now;
+
+        public DateTime? DateImplement { get; set; }
+
+        public int ID { get; set; }
+    }
+}

DressAtelierContracts/BusinessLogicContracts/IDressLogic.cs

@@ -0,0 +1,21 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.BusinessLogicContracts
+{
+    public interface IDressLogic
+    {
+        List<DressViewModel>? ReadList(DressSearchModel? model);
+        DressViewModel? ReadElement(DressSearchModel model);
+
+        bool Create(DressBindingModel model);
+        bool Update(DressBindingModel model);
+        bool Delete(DressBindingModel model);
+    }
+}

DressAtelierContracts/BusinessLogicContracts/IMaterialLogic.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.ViewModels;
+
+namespace DressAtelierContracts.BusinessLogicContracts
+{
+    public interface IMaterialLogic
+    {
+        List<MaterialViewModel>? ReadList(MaterialSearchModel? model);
+
+        MaterialViewModel? ReadElement(MaterialSearchModel model);
+
+        bool Create(MaterialBindingModel model);
+        bool Update(MaterialBindingModel model);
+        bool Delete(MaterialBindingModel model);
+    }
+}

DressAtelierContracts/BusinessLogicContracts/IOrderLogic.cs

@@ -0,0 +1,21 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.BusinessLogicContracts
+{
+    public interface IOrderLogic
+    {
+        List<OrderViewModel>? ReadList(OrderSearchModel? model);
+        bool CreateOrder(OrderBindingModel model);
+        bool TakeOrderInWork(OrderBindingModel model);
+        bool ReadyOrder(OrderBindingModel model);
+        bool GivenOrder(OrderBindingModel model);
+
+    }
+}

DressAtelierContracts/DressAtelierContracts.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\DressAtelierDataModels\DressAtelierDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

DressAtelierContracts/SearchModels/DressSearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.SearchModels
+{
+    public class DressSearchModel
+    {
+        public int? ID { get; set; }
+        public string? ProductName { get; set; }
+    }
+}

DressAtelierContracts/SearchModels/MaterialSearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.SearchModels
+{
+    public class MaterialSearchModel
+    {
+        public int? ID { get; set; }
+        public string? ComponentName { get; set; }
+    }
+}

DressAtelierContracts/SearchModels/OrderSearchModel.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.SearchModels
+{
+    public class OrderSearchModel
+    {
+        public int? ID { get; set; }
+    }
+}

DressAtelierContracts/StorageContracts/IDressStorage.cs

@@ -0,0 +1,21 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.StorageContracts
+{
+   public interface IDressStorage
+    {
+        List<DressViewModel> GetFullList();
+        List<DressViewModel> GetFilteredList(DressSearchModel model);
+        DressViewModel? GetElement(DressSearchModel model);
+        DressViewModel? Insert(DressBindingModel model);
+        DressViewModel? Delete(DressBindingModel model);
+        DressViewModel? Update(DressBindingModel model);
+    }
+}

DressAtelierContracts/StorageContracts/IMaterialStorage.cs

@@ -0,0 +1,21 @@
+using DressAtelierContracts.ViewModels;
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.StorageContracts
+{
+    public interface IMaterialStorage
+    {
+        List<MaterialViewModel> GetFullList();
+        List<MaterialViewModel> GetFilteredList(MaterialSearchModel model);
+        MaterialViewModel? GetElement(MaterialSearchModel model);
+        MaterialViewModel? Insert(MaterialBindingModel model);
+        MaterialViewModel? Update(MaterialBindingModel model);
+        MaterialViewModel? Delete(MaterialBindingModel model);
+    }
+}

DressAtelierContracts/StorageContracts/IOrderStorage.cs

@@ -0,0 +1,22 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.StorageContracts
+{
+    public interface IOrderStorage
+    {
+        List<OrderViewModel>? GetFullList();
+        List<OrderViewModel> GetFilteredList(OrderSearchModel model);
+        OrderViewModel? GetElement(OrderSearchModel model);
+        OrderViewModel? Insert(OrderBindingModel model);
+        OrderViewModel? Delete(OrderBindingModel model);
+        OrderViewModel? Update(OrderBindingModel model);
+
+    }
+}

DressAtelierContracts/ViewModels/DressViewModel.cs

@@ -0,0 +1,23 @@
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.ViewModels
+{
+    public class DressViewModel : IDressModel
+    {
+        [DisplayName("Name of product")]
+        public string ProductName { get; set; } = string.Empty;
+
+        [DisplayName("Cost")]
+        public double Price { get; set; }
+
+        public Dictionary<int, (IMaterialModel, int)> ProductComponents { get; set; } = new();
+
+        public int ID { get; set; }
+    }
+}

DressAtelierContracts/ViewModels/MaterialViewModel.cs

@@ -0,0 +1,20 @@
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.ComponentModel;
+namespace DressAtelierContracts.ViewModels
+{
+    public class MaterialViewModel : IMaterialModel
+    {
+        [DisplayName("Name of component")]
+        public string ComponentName { get; set; } = string.Empty;
+
+        [DisplayName("Cost")]
+        public double Cost { get; set; }
+
+        public int ID { get; set; }
+    }
+}

DressAtelierContracts/ViewModels/OrderViewModel.cs

@@ -0,0 +1,34 @@
+using DressAtelierDataModels.Enums;
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.ViewModels
+{
+    public class OrderViewModel : IOrderModel
+    {
+        public int ProductID { get; set; }
+
+        [DisplayName("Quantity")]
+        public int Count { get; set; }
+
+        [DisplayName("Overall price")]
+        public double Sum { get; set; }
+
+        [DisplayName("Status")]
+        public OrderStatus Status { get; set; } = OrderStatus.Unknown;
+
+        [DisplayName("Date of creation")]
+        public DateTime DateCreate { get; set; } = DateTime.Now;
+
+        [DisplayName("Date of implementation")]
+        public DateTime? DateImplement { get; set; }
+
+        [DisplayName("ID")]
+        public int ID { get; set; }
+    }
+}

DressAtelierDataModels/DressAtelierDataModels.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

DressAtelierDataModels/Enums/OrderStatus.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierDataModels.Enums
+{
+    public enum OrderStatus
+    {
+        Unknown = -1,
+        Accepted = 0,
+        InProcess = 1,
+        Ready = 2,
+        Given = 3
+    }
+}

DressAtelierDataModels/IID.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierDataModels
+{
+    public interface IID
+    {
+        int ID { get; }
+    }
+}

DressAtelierDataModels/Models/IDressModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierDataModels.Models
+{
+    public interface IDressModel : IID
+    {
+        string ProductName { get; }
+        double Price { get; }
+        Dictionary<int,(IMaterialModel,int)> ProductComponents { get; }
+    }
+}

DressAtelierDataModels/Models/IMaterialModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierDataModels.Models
+{
+    public interface IMaterialModel : IID
+    {
+        string ComponentName { get; }
+        double Cost { get; }
+    }
+}

DressAtelierDataModels/Models/IOrderModel.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using DressAtelierDataModels.Enums;
+
+namespace DressAtelierDataModels.Models
+{
+    public interface IOrderModel :IID
+    {
+        int ProductID { get;}
+        int Count { get; }
+        double Sum { get; }
+        OrderStatus Status { get; }
+        DateTime DateCreate { get; }
+        DateTime? DateImplement { get; }
+    }
+}

DressAtelierListImplement/DataListSingleton.cs

@@ -0,0 +1,31 @@
+using DressAtelierListImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierListImplement
+{
+    public class DataListSingleton
+    {
+        private static DataListSingleton? _instance;
+        public List<Material> Components { get; set; }
+        public List<Order> Orders { get; set; }
+        public List<Dress> Products { get; set; }
+        private DataListSingleton()
+        {
+            Components = new List<Material>();
+            Orders = new List<Order>();
+            Products = new List<Dress>();
+        }
+        public static DataListSingleton GetInstance()
+        {
+            if (_instance == null)
+            {
+                _instance = new DataListSingleton();
+            }
+            return _instance;
+        }
+    }
+}

DressAtelierListImplement/DressAtelierListImplement.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\DressAtelierContracts\DressAtelierContracts.csproj" />
+    <ProjectReference Include="..\DressAtelierDataModels\DressAtelierDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

DressAtelierListImplement/Models/Dress.cs

@@ -0,0 +1,58 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.BusinessLogicContracts;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.ViewModels;
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierListImplement.Models
+{
+    public class Dress : IDressModel
+    {
+        public int ID { get; private set; }
+        public string ProductName { get; private set; } = string.Empty;
+
+        public double Price { get; private set; }
+
+        public Dictionary<int, (IMaterialModel, int)> ProductComponents { get; private set; } = new Dictionary<int, (IMaterialModel, int)>();
+
+        public static Dress? Create(DressBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Dress()
+            {
+                ID = model.ID,
+                ProductName = model.ProductName,
+                Price = model.Price,
+                ProductComponents = model.ProductComponents
+            };
+        
+        }
+
+        public void Update(DressBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ProductName = model.ProductName;
+            Price = model.Price;
+            ProductComponents = model.ProductComponents;
+        }
+        public DressViewModel GetViewModel => new()
+        {
+            ID = ID,
+            ProductName = ProductName,
+            Price = Price,
+            ProductComponents = ProductComponents
+        };
+
+    }
+}

DressAtelierListImplement/Models/Material.cs

@@ -0,0 +1,49 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.ViewModels;
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierListImplement.Models
+{
+    public class Material : IMaterialModel
+    {
+        public string ComponentName { get; private set; } = string.Empty;
+
+        public double Cost { get; set; }
+
+        public int ID { get; private set; }
+
+        public static Material? Create(MaterialBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Material()
+            {
+                ID = model.ID,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+        public void Update(MaterialBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ComponentName = model.ComponentName;
+            Cost = model.Cost;
+        }
+        public MaterialViewModel GetViewModel => new()
+        {
+            ID = ID,
+            ComponentName = ComponentName,
+            Cost = Cost
+        };
+    }
+}

DressAtelierListImplement/Models/Order.cs

@@ -0,0 +1,76 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.ViewModels;
+using DressAtelierDataModels.Enums;
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierListImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int ID { get; private set; }
+        public int ProductID { get; private set; }
+
+        public int Count {get; private set; }
+
+        public double Sum { get; private set; }
+
+        public OrderStatus Status { get; private set; } = OrderStatus.Unknown;
+
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+
+        public DateTime? DateImplement { get; private set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                ID = model.ID,
+                ProductID = model.ProductID,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement
+            };
+
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+
+            ProductID = model.ProductID;
+            Count = model.Count;
+            Sum = model.Sum;
+            Status = model.Status;
+            DateCreate = model.DateCreate;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            ID = ID,
+            ProductID = ProductID,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+
+        };
+
+
+    }
+}

SewingDresses/SewingDresses.sln

@@ -5,6 +5,14 @@ VisualStudioVersion = 17.3.32825.248
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SewingDresses", "SewingDresses.csproj", "{477532B4-09CB-45E7-9AE5-652CAE3E340C}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DressAtelierDataModels", "..\DressAtelierDataModels\DressAtelierDataModels.csproj", "{2D48D801-8A00-4FFE-B995-8090A65D0A07}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DressAtelierContracts", "..\DressAtelierContracts\DressAtelierContracts.csproj", "{5500343A-5929-4C91-8509-D0E5F65D19BF}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DressAtelierBusinessLogic", "..\DressAtelierBusinessLogic\DressAtelierBusinessLogic.csproj", "{535CDE3E-E0FB-4389-905D-B23C8BA13044}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DressAtelierListImplement", "..\DressAtelierListImplement\DressAtelierListImplement.csproj", "{1A88E277-E50A-45C5-89FA-677EBCD2EF63}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +23,22 @@ Global
 		{477532B4-09CB-45E7-9AE5-652CAE3E340C}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{477532B4-09CB-45E7-9AE5-652CAE3E340C}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{477532B4-09CB-45E7-9AE5-652CAE3E340C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2D48D801-8A00-4FFE-B995-8090A65D0A07}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2D48D801-8A00-4FFE-B995-8090A65D0A07}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2D48D801-8A00-4FFE-B995-8090A65D0A07}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2D48D801-8A00-4FFE-B995-8090A65D0A07}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5500343A-5929-4C91-8509-D0E5F65D19BF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5500343A-5929-4C91-8509-D0E5F65D19BF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5500343A-5929-4C91-8509-D0E5F65D19BF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5500343A-5929-4C91-8509-D0E5F65D19BF}.Release|Any CPU.Build.0 = Release|Any CPU
+		{535CDE3E-E0FB-4389-905D-B23C8BA13044}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{535CDE3E-E0FB-4389-905D-B23C8BA13044}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{535CDE3E-E0FB-4389-905D-B23C8BA13044}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{535CDE3E-E0FB-4389-905D-B23C8BA13044}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1A88E277-E50A-45C5-89FA-677EBCD2EF63}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1A88E277-E50A-45C5-89FA-677EBCD2EF63}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1A88E277-E50A-45C5-89FA-677EBCD2EF63}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1A88E277-E50A-45C5-89FA-677EBCD2EF63}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE