10 changed files with 4 additions and 602 deletions
--- a/Pizzeria/Pizzeria.sln
+++ b/Pizzeria/Pizzeria.sln
@ -5,15 +5,13 @@ VisualStudioVersion = 17.7.34024.191
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaView", "PizzeriaView\PizzeriaView.csproj", "{C3B647C4-306F-43B5-BDF2-FF5F3A34364F}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaBusinessLogic", "PizzeriaBusinessLogic\PizzeriaBusinessLogic.csproj", "{906C7D67-BBCC-48D7-BB34-62A9A35779A8}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PizzeriaBusinessLogic", "PizzeriaBusinessLogic\PizzeriaBusinessLogic.csproj", "{906C7D67-BBCC-48D7-BB34-62A9A35779A8}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaContracts", "PizzeriaContracts\PizzeriaContracts.csproj", "{A625183B-6EEA-4995-B06D-E10835CEFE9C}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PizzeriaContracts", "PizzeriaContracts\PizzeriaContracts.csproj", "{A625183B-6EEA-4995-B06D-E10835CEFE9C}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaDataModels", "PizzeriaDataModels\PizzeriaDataModels.csproj", "{D0318436-6887-4AD1-92B2-19A7F37240DC}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PizzeriaDataModels", "PizzeriaDataModels\PizzeriaDataModels.csproj", "{D0318436-6887-4AD1-92B2-19A7F37240DC}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaListImplement", "PizzeriaListImplement\PizzeriaListImplement.csproj", "{190E2EDD-BFA6-4213-9F8A-1B1D4FBBB8E4}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PizzeriaFileImplement", "PizzeriaFileImplement\PizzeriaFileImplement.csproj", "{678CE6E1-EEBF-4D54-AFCA-B1DEAF300C88}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PizzeriaListImplement", "PizzeriaListImplement\PizzeriaListImplement.csproj", "{190E2EDD-BFA6-4213-9F8A-1B1D4FBBB8E4}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@ -41,10 +39,6 @@ Global
 		{190E2EDD-BFA6-4213-9F8A-1B1D4FBBB8E4}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{190E2EDD-BFA6-4213-9F8A-1B1D4FBBB8E4}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{190E2EDD-BFA6-4213-9F8A-1B1D4FBBB8E4}.Release|Any CPU.Build.0 = Release|Any CPU
-		{678CE6E1-EEBF-4D54-AFCA-B1DEAF300C88}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{678CE6E1-EEBF-4D54-AFCA-B1DEAF300C88}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{678CE6E1-EEBF-4D54-AFCA-B1DEAF300C88}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{678CE6E1-EEBF-4D54-AFCA-B1DEAF300C88}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
--- a/Pizzeria/PizzeriaFileImplement/DataFileSingleton.cs
+++ b/Pizzeria/PizzeriaFileImplement/DataFileSingleton.cs
@ -1,58 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using PizzeriaFileImplement.Models;
-using System.Xml.Linq;
-
-namespace PizzeriaFileImplement
-{
-    public class DataFileSingleton
-    {
-        private static DataFileSingleton? instance;
-        private readonly string ComponentFileName = "Component.xml";
-        private readonly string OrderFileName = "Order.xml";
-        private readonly string PizzaFileName = "Pizza.xml";
-        public List<Component> Components { get; private set; }
-        public List<Order> Orders { get; private set; }
-        public List<Pizza> Pizzas { get; private set; }
-
-        public static DataFileSingleton GetInstance()
-        {
-            if (instance == null)
-            {
-                instance = new DataFileSingleton();
-            }
-            return instance;
-        }
-
-        public void SaveComponents() => SaveData(Components, ComponentFileName, "Components", x => x.GetXElement);
-        public void SavePizzas() => SaveData(Pizzas, PizzaFileName, "Pizzas", x => x.GetXElement);
-        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
-
-        private DataFileSingleton()
-        {
-            Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
-            Pizzas = LoadData(PizzaFileName, "Pizza", x => Pizza.Create(x)!)!;
-            Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
-        }
-
-        private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
-        {
-            if (File.Exists(filename))
-            {
-                return XDocument.Load(filename)?.Root?.Elements(xmlNodeName)?.Select(selectFunction)?.ToList();
-            }
-            return new List<T>();
-        }
-
-        private static void SaveData<T>(List<T> data, string filename, string xmlNodeName, Func<T, XElement> selectFunction)
-        {
-            if (data != null)
-            {
-                new XDocument(new XElement(xmlNodeName, data.Select(selectFunction).ToArray())).Save(filename);
-            }
-        }
-    }
-}
--- a/Pizzeria/PizzeriaFileImplement/Implements/ComponentStorage.cs
+++ b/Pizzeria/PizzeriaFileImplement/Implements/ComponentStorage.cs
@ -1,86 +0,0 @@
-using PizzeriaContracts.BindingModels;
-using PizzeriaContracts.SearchModels;
-using PizzeriaContracts.StoragesContracts;
-using PizzeriaContracts.ViewModels;
-using PizzeriaFileImplement.Models;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace PizzeriaFileImplement.Implements
-{
-    public class ComponentStorage : IComponentStorage
-    {
-        private readonly DataFileSingleton source;
-
-        public ComponentStorage()
-        {
-            source = DataFileSingleton.GetInstance();
-        }
-
-        public List<ComponentViewModel> GetFullList()
-        {
-            return source.Components.Select(x => x.GetViewModel).ToList();
-        }
-
-        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
-        {
-            if (string.IsNullOrEmpty(model.ComponentName))
-            {
-                return new();
-            }
-            return source.Components.Where(x => x.ComponentName.Contains(model.ComponentName)).Select(x => x.GetViewModel).ToList();
-        }
-
-        public ComponentViewModel? GetElement(ComponentSearchModel model)
-        {
-            if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
-            {
-                return null;
-            }
-            return source.Components.FirstOrDefault(x =>
-            (!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName == model.ComponentName) ||
-            (model.Id.HasValue && x.Id == model.Id))
-                ?.GetViewModel;
-        }
-
-        public ComponentViewModel? Insert(ComponentBindingModel model)
-        {
-            model.Id = source.Components.Count > 0 ? source.Components.Max(x => x.Id) + 1 : 1;
-            var newComponent = Component.Create(model);
-            if (newComponent == null)
-            {
-                return null;
-            }
-            source.Components.Add(newComponent);
-            source.SaveComponents();
-            return newComponent.GetViewModel;
-        }
-
-        public ComponentViewModel? Update(ComponentBindingModel model)
-        {
-            var component = source.Components.FirstOrDefault(x => x.Id == model.Id);
-            if (component == null)
-            {
-                return null;
-            }
-            component.Update(model);
-            source.SaveComponents();
-            return component.GetViewModel;
-        }
-
-        public ComponentViewModel? Delete(ComponentBindingModel model)
-        {
-            var element = source.Components.FirstOrDefault(x => x.Id == model.Id);
-            if (element != null)
-            {
-                source.Components.Remove(element);
-                source.SaveComponents();
-                return element.GetViewModel;
-            }
-            return null;
-        }
-    }
-}
--- a/Pizzeria/PizzeriaFileImplement/Implements/OrderStorage.cs
+++ b/Pizzeria/PizzeriaFileImplement/Implements/OrderStorage.cs
@ -1,94 +0,0 @@
-using PizzeriaContracts.BindingModels;
-using PizzeriaContracts.SearchModels;
-using PizzeriaContracts.StoragesContracts;
-using PizzeriaContracts.ViewModels;
-using PizzeriaFileImplement.Models;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace PizzeriaFileImplement.Implements
-{
-    public class OrderStorage : IOrderStorage
-    {
-        private readonly DataFileSingleton source;
-
-        public OrderStorage()
-        {
-            source = DataFileSingleton.GetInstance();
-        }
-
-        public List<OrderViewModel> GetFullList() => source.Orders.Select(x => AttachPizzaName(x.GetViewModel)).ToList();
-
-        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
-        {
-            if (!model.Id.HasValue)
-            {
-                return new();
-            }
-            return source.Orders.Where(x => x.Id == model.Id).Select(x => AttachPizzaName(x.GetViewModel)).ToList();
-        }
-
-        public OrderViewModel? GetElement(OrderSearchModel model)
-        {
-            if (!model.Id.HasValue)
-            {
-                return new();
-            }
-            return AttachPizzaName(source.Orders.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel);
-        }
-
-        public OrderViewModel? Insert(OrderBindingModel model)
-        {
-            model.Id = source.Orders.Count > 0 ? source.Orders.Max(x => x.Id) + 1 : 1;
-            var newOrder = Order.Create(model);
-            if (newOrder == null)
-            {
-                return null;
-            }
-            source.Orders.Add(newOrder);
-            source.SaveOrders();
-            return AttachPizzaName(newOrder.GetViewModel);
-        }
-
-        public OrderViewModel? Update(OrderBindingModel model)
-        {
-            var order = source.Orders.FirstOrDefault(x => x.Id == model.Id);
-            if (order == null)
-            {
-                return null;
-            }
-            order.Update(model);
-            source.SaveOrders();
-            return AttachPizzaName(order.GetViewModel);
-        }
-
-        public OrderViewModel? Delete(OrderBindingModel model)
-        {
-            var order = source.Orders.FirstOrDefault(x => x.Id == model.Id);
-            if (order != null)
-            {
-                source.Orders.Remove(order);
-                source.SaveOrders();
-                return AttachPizzaName(order.GetViewModel);
-            }
-            return null;
-        }
-
-        private OrderViewModel? AttachPizzaName(OrderViewModel? model)
-        {
-            if (model == null)
-            {
-                return null;
-            }
-            var pizza = source.Pizzas.FirstOrDefault(x => x.Id == model.PizzaId);
-            if (pizza != null)
-            {
-                model.PizzaName = pizza.PizzaName;
-            }
-            return model;
-        }
-    }
-}
--- a/Pizzeria/PizzeriaFileImplement/Implements/PizzaStorage.cs
+++ b/Pizzeria/PizzeriaFileImplement/Implements/PizzaStorage.cs
@ -1,86 +0,0 @@
-using PizzeriaContracts.BindingModels;
-using PizzeriaContracts.SearchModels;
-using PizzeriaContracts.StoragesContracts;
-using PizzeriaContracts.ViewModels;
-using PizzeriaFileImplement.Models;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace PizzeriaFileImplement.Implements
-{
-    public class PizzaStorage : IPizzaStorage
-    {
-        private readonly DataFileSingleton source;
-
-        public PizzaStorage()
-        {
-            source = DataFileSingleton.GetInstance();
-        }
-
-        public List<PizzaViewModel> GetFullList()
-        {
-            return source.Pizzas.Select(x => x.GetViewModel).ToList();
-        }
-
-        public List<PizzaViewModel> GetFilteredList(PizzaSearchModel model)
-        {
-            if (string.IsNullOrEmpty(model.PizzaName))
-            {
-                return new();
-            }
-            return source.Pizzas.Where(x => x.PizzaName.Contains(model.PizzaName)).Select(x => x.GetViewModel).ToList();
-        }
-
-        public PizzaViewModel? GetElement(PizzaSearchModel model)
-        {
-            if (string.IsNullOrEmpty(model.PizzaName) && !model.Id.HasValue)
-            {
-                return null;
-            }
-            return source.Pizzas.FirstOrDefault(x =>
-            (!string.IsNullOrEmpty(model.PizzaName) && x.PizzaName == model.PizzaName) ||
-            (model.Id.HasValue && x.Id == model.Id))
-                ?.GetViewModel;
-        }
-
-        public PizzaViewModel? Insert(PizzaBindingModel model)
-        {
-            model.Id = source.Pizzas.Count > 0 ? source.Pizzas.Max(x => x.Id) + 1 : 1;
-            var newPizza = Pizza.Create(model);
-            if (newPizza == null)
-            {
-                return null;
-            }
-            source.Pizzas.Add(newPizza);
-            source.SavePizzas();
-            return newPizza.GetViewModel;
-        }
-
-        public PizzaViewModel? Update(PizzaBindingModel model)
-        {
-            var Pizza = source.Pizzas.FirstOrDefault(x => x.Id == model.Id);
-            if (Pizza == null)
-            {
-                return null;
-            }
-            Pizza.Update(model);
-            source.SavePizzas();
-            return Pizza.GetViewModel;
-        }
-
-        public PizzaViewModel? Delete(PizzaBindingModel model)
-        {
-            var Pizza = source.Pizzas.FirstOrDefault(x => x.Id == model.Id);
-            if (Pizza != null)
-            {
-                source.Pizzas.Remove(Pizza);
-                source.SavePizzas();
-                return Pizza.GetViewModel;
-            }
-            return null;
-        }
-    }
-}
--- a/Pizzeria/PizzeriaFileImplement/Models/Component.cs
+++ b/Pizzeria/PizzeriaFileImplement/Models/Component.cs
@ -1,69 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using PizzeriaContracts.BindingModels;
-using PizzeriaContracts.ViewModels;
-using PizzeriaDataModels.Models;
-using System.Xml.Linq;
-
-namespace PizzeriaFileImplement.Models
-{
-    public class Component : IComponentModel
-    {
-        public int Id { get; private set; }
-        public string ComponentName { get; private set; } = string.Empty;
-        public double Cost { get; set; }
-
-        public static Component? Create(ComponentBindingModel model)
-        {
-            if (model == null)
-            {
-                return null;
-            }
-            return new Component()
-            {
-                Id = model.Id,
-                ComponentName = model.ComponentName,
-                Cost = model.Cost
-            };
-        }
-
-        public static Component? Create(XElement element)
-        {
-            if (element == null)
-            {
-                return null;
-            }
-            return new Component()
-            {
-                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
-                ComponentName = element.Element("ComponentName")!.Value,
-                Cost = Convert.ToDouble(element.Element("Cost")!.Value)
-            };
-        }
-
-        public void Update(ComponentBindingModel model)
-        {
-            if (model == null)
-            {
-                return;
-            }
-            ComponentName = model.ComponentName;
-            Cost = model.Cost;
-        }
-
-        public ComponentViewModel GetViewModel => new()
-        {
-            Id = Id,
-            ComponentName = ComponentName,
-            Cost = Cost
-        };
-
-        public XElement GetXElement => new("Component",
-                    new XAttribute("Id", Id),
-                    new XElement("ComponentName", ComponentName),
-                    new XElement("Cost", Cost.ToString()));
-    }
-}
--- a/Pizzeria/PizzeriaFileImplement/Models/Order.cs
+++ b/Pizzeria/PizzeriaFileImplement/Models/Order.cs
@ -1,92 +0,0 @@
-using PizzeriaContracts.BindingModels;
-using PizzeriaContracts.ViewModels;
-using PizzeriaDataModels.Enums;
-using PizzeriaDataModels.Models;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Xml.Linq;
-
-namespace PizzeriaFileImplement.Models
-{
-    public class Order : IOrderModel
-    {
-        public int Id { get; private set; }
-        public int PizzaId { get; private set; }
-        public int Count { get; private set; }
-        public double Sum { get; private set; }
-        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
-        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,
-                PizzaId = model.PizzaId,
-                Count = model.Count,
-                Sum = model.Sum,
-                Status = model.Status,
-                DateCreate = model.DateCreate,
-                DateImplement = model.DateImplement,
-            };
-        }
-
-        public static Order? Create(XElement element)
-        {
-            if (element == null)
-            {
-                return null;
-            }
-            string dateImplement = element.Element("DateImplement")!.Value;
-            return new Order()
-            {
-                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
-                PizzaId = Convert.ToInt32(element.Element("PizzaId")!.Value),
-                Count = Convert.ToInt32(element.Element("Count")!.Value),
-                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
-                Status = (OrderStatus)(Enum.Parse(typeof(OrderStatus), element.Element("Status")!.Value)),
-                DateCreate = Convert.ToDateTime(element.Element("DateCreate")!.Value),
-                DateImplement = (dateImplement == "" || dateImplement is null) ? Convert.ToDateTime(null) : Convert.ToDateTime(dateImplement)
-            };
-
-        }
-
-        public void Update(OrderBindingModel? model)
-        {
-            if (model == null)
-            {
-                return;
-            }
-            Status = model.Status;
-            if (model.Status == OrderStatus.Выдан) DateImplement = model.DateImplement;
-        }
-
-        public OrderViewModel GetViewModel => new()
-        {
-            Id = Id,
-            PizzaId = PizzaId,
-            Count = Count,
-            Sum = Sum,
-            Status = Status,
-            DateCreate = DateCreate,
-            DateImplement = DateImplement,
-        };
-
-        public XElement GetXElement => new("Order",
-           new XAttribute("Id", Id),
-           new XElement("PizzaId", PizzaId.ToString()),
-           new XElement("Count", Count.ToString()),
-           new XElement("Sum", Sum.ToString()),
-           new XElement("Status", Status.ToString()),
-           new XElement("DateCreate", DateCreate.ToString()),
-           new XElement("DateImplement", DateImplement.ToString()));
-    }
-}
--- a/Pizzeria/PizzeriaFileImplement/Models/Pizza.cs
+++ b/Pizzeria/PizzeriaFileImplement/Models/Pizza.cs
@ -1,92 +0,0 @@
-using PizzeriaContracts.BindingModels;
-using PizzeriaContracts.ViewModels;
-using PizzeriaDataModels.Models;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Xml.Linq;
-
-namespace PizzeriaFileImplement.Models
-{
-    public class Pizza : IPizzaModel
-    {
-        public int Id { get; private set; }
-        public string PizzaName { get; private set; } = string.Empty;
-        public double Price { get; private set; }
-        public Dictionary<int, int> Components { get; private set; } = new();
-        private Dictionary<int, (IComponentModel, int)>? _pizzaComponents = null;
-
-        public Dictionary<int, (IComponentModel, int)> PizzaComponents
-        {
-            get
-            {
-                if (_pizzaComponents == null)
-                {
-                    var source = DataFileSingleton.GetInstance();
-                    _pizzaComponents = Components.ToDictionary(x => x.Key, y => ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!, y.Value));
-                }
-                return _pizzaComponents;
-            }
-        }
-
-        public static Pizza? Create(PizzaBindingModel model)
-        {
-            if (model == null)
-            {
-                return null;
-            }
-            return new Pizza()
-            {
-                Id = model.Id,
-                PizzaName = model.PizzaName,
-                Price = model.Price,
-                Components = model.PizzaComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
-            };
-        }
-
-        public static Pizza? Create(XElement element)
-        {
-            if (element == null)
-            {
-                return null;
-            }
-            return new Pizza()
-            {
-                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
-                PizzaName = element.Element("PizzaName")!.Value,
-                Price = Convert.ToDouble(element.Element("Price")!.Value),
-                Components = element.Element("PizzaComponents")!.Elements("PizzaComponent").ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value),
-                x => Convert.ToInt32(x.Element("Value")?.Value))
-            };
-        }
-
-        public void Update(PizzaBindingModel model)
-        {
-            if (model == null)
-            {
-                return;
-            }
-            PizzaName = model.PizzaName;
-            Price = model.Price;
-            Components = model.PizzaComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
-            _pizzaComponents = null;
-        }
-
-        public PizzaViewModel GetViewModel => new()
-        {
-            Id = Id,
-            PizzaName = PizzaName,
-            Price = Price,
-            PizzaComponents = PizzaComponents
-        };
-
-        public XElement GetXElement => new("Pizza",
-                new XAttribute("Id", Id),
-                new XElement("PizzaName", PizzaName),
-                new XElement("Price", Price.ToString()),
-                new XElement("PizzaComponents", Components.Select(
-                    x => new XElement("PizzaComponent", new XElement("Key", x.Key), new XElement("Value", x.Value))).ToArray()));
-    }
-}
--- a/Pizzeria/PizzeriaFileImplement/PizzeriaFileImplement.csproj
+++ b/Pizzeria/PizzeriaFileImplement/PizzeriaFileImplement.csproj
@ -1,14 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\PizzeriaContracts\PizzeriaContracts.csproj" />
-    <ProjectReference Include="..\PizzeriaDataModels\PizzeriaDataModels.csproj" />
-  </ItemGroup>
-
-</Project>
--- a/Pizzeria/PizzeriaView/PizzeriaView.csproj
+++ b/Pizzeria/PizzeriaView/PizzeriaView.csproj
@ -28,7 +28,6 @@
  <ItemGroup>
    <ProjectReference Include="..\PizzeriaBusinessLogic\PizzeriaBusinessLogic.csproj" />
    <ProjectReference Include="..\PizzeriaContracts\PizzeriaContracts.csproj" />
-    <ProjectReference Include="..\PizzeriaFileImplement\PizzeriaFileImplement.csproj" />
    <ProjectReference Include="..\PizzeriaListImplement\PizzeriaListImplement.csproj" />
  </ItemGroup>