lab 2 base

Pizzeria/Pizzeria.sln

@@ -11,7 +11,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaContracts", "Pizzer
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaBusinessLogic", "PizzeriaBusinessLogic\PizzeriaBusinessLogic.csproj", "{B55806ED-5FDE-4A9F-B500-1DFBE8E50491}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PizzeriaListImplement", "PizzeriaListImplement\PizzeriaListImplement.csproj", "{138A775B-55CA-4120-918F-6093C0B2B241}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaListImplement", "PizzeriaListImplement\PizzeriaListImplement.csproj", "{138A775B-55CA-4120-918F-6093C0B2B241}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PizzeriaFileImplement", "PizzeriaShopFileImplement\PizzeriaFileImplement.csproj", "{44B31B6F-2852-454B-9E7D-E965C9A348ED}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -39,6 +41,10 @@ Global
 		{138A775B-55CA-4120-918F-6093C0B2B241}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{138A775B-55CA-4120-918F-6093C0B2B241}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{138A775B-55CA-4120-918F-6093C0B2B241}.Release|Any CPU.Build.0 = Release|Any CPU
+		{44B31B6F-2852-454B-9E7D-E965C9A348ED}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{44B31B6F-2852-454B-9E7D-E965C9A348ED}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{44B31B6F-2852-454B-9E7D-E965C9A348ED}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{44B31B6F-2852-454B-9E7D-E965C9A348ED}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Pizzeria/Pizzeria/Pizzeria.csproj

@@ -18,7 +18,7 @@
     <ProjectReference Include="..\PizzeriaBusinessLogic\PizzeriaBusinessLogic.csproj" />
     <ProjectReference Include="..\PizzeriaContracts\PizzeriaContracts.csproj" />
     <ProjectReference Include="..\PizzeriaDataModels\PizzeriaDataModels.csproj" />
-    <ProjectReference Include="..\PizzeriaListImplement\PizzeriaListImplement.csproj" />
+    <ProjectReference Include="..\PizzeriaShopFileImplement\PizzeriaFileImplement.csproj" />
   </ItemGroup>
 
   <ItemGroup>

Pizzeria/Pizzeria/Program.cs

@@ -1,7 +1,7 @@
 using PizzeriaBusinessLogic;
 using PizzeriaContracts.BusinessLogicsContracts;
 using PizzeriaContracts.StoragesContracts;
-using PizzeriaListImplement.Implements;
+using PizzeriaFileImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;

Pizzeria/PizzeriaShopFileImplement/DataFileSingleton.cs

@@ -0,0 +1,51 @@
+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);
+            }
+        }
+    }
+}

Pizzeria/PizzeriaShopFileImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,81 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+using PizzeriaFileImplement.models;
+
+
+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;
+        }
+    }
+
+}

Pizzeria/PizzeriaShopFileImplement/Implements/OrderStorage.cs

@@ -0,0 +1,72 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+using PizzeriaFileImplement.models;
+
+
+namespace PizzeriaFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<OrderViewModel> GetFullList()
+        {
+            return source.Orders
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            return source.Orders
+                .Where(x => (model.Id.HasValue && x.Id == model.Id))
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            return source.Orders
+            .FirstOrDefault(x =>
+                (model.Id.HasValue && 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 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 order.GetViewModel;
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var element = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Orders.Remove(element);
+                source.SaveOrders();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+
+}

Pizzeria/PizzeriaShopFileImplement/Implements/PizzaStorage.cs

@@ -0,0 +1,81 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+using PizzeriaFileImplement.models;
+
+
+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 element = source.Pizzas.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Pizzas.Remove(element);
+                source.SavePizzas();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+
+}

Pizzeria/PizzeriaShopFileImplement/PizzeriaFileImplement.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="..\PizzeriaContracts\PizzeriaContracts.csproj" />
+    <ProjectReference Include="..\PizzeriaDataModels\PizzeriaDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

Pizzeria/PizzeriaShopFileImplement/models/Component.cs

@@ -0,0 +1,59 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels;
+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()));
+    }
+}

Pizzeria/PizzeriaShopFileImplement/models/Order.cs

@@ -0,0 +1,105 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels;
+using System.Xml.Linq;
+
+namespace PizzeriaFileImplement.models
+{
+    public class Order : IOrderModel
+    {
+        public int PizzaId { get; private set; }
+
+        public string PizzaName
+        {
+            get
+            {
+                var source = DataFileSingleton.GetInstance();
+                return source.Pizzas.FirstOrDefault(x => x.Id == PizzaId).PizzaName;
+            }
+        }
+
+        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 int Id { 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;
+            }
+
+            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.ToInt32(element.Element("Sum")!.Value),
+                Status = Enum.Parse<OrderStatus>(element.Element("Status")!.Value),
+                DateCreate = DateTime.Parse(element.Element("DateCreate")!.Value),
+                DateImplement = !string.IsNullOrEmpty(element.Element("DateImplement")!.Value.ToString()) ?
+                    DateTime.Parse(element.Element("DateImplement")!.Value) : null,
+            };
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            PizzaId = model.PizzaId;
+            Count = model.Count;
+            Sum = model.Sum;
+            Status = model.Status;
+            DateCreate = model.DateCreate;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PizzaId = PizzaId,
+            PizzaName = PizzaName,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+        public XElement GetXElement => new("Order",
+            new XAttribute("Id", Id),
+            new XElement("PizzaId", PizzaId),
+            new XElement("Count", Count),
+            new XElement("Sum", Sum),
+            new XElement("Status", Status),
+            new XElement("DateCreate", DateCreate),
+            new XElement("DateImplement", DateImplement));
+    }
+}

Pizzeria/PizzeriaShopFileImplement/models/Pizza.cs

@@ -0,0 +1,89 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels;
+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()));
+    }
+}