2 лаб.

TravelCompany/TravelCompany.sln

@@ -13,6 +13,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TravelCompanyBusinessLogic"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TravelCompanyListImplement", "TravelCompanyListImplement\TravelCompanyListImplement.csproj", "{46AEB3CA-9FB8-444A-9145-B274C5FBEF6B}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TravelCompanyFileImplement", "TravelCompanyFileImplement\TravelCompanyFileImplement.csproj", "{3684BE6E-B9D1-450E-B450-FCE08421C87B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -39,6 +41,10 @@ Global
 		{46AEB3CA-9FB8-444A-9145-B274C5FBEF6B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{46AEB3CA-9FB8-444A-9145-B274C5FBEF6B}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{46AEB3CA-9FB8-444A-9145-B274C5FBEF6B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3684BE6E-B9D1-450E-B450-FCE08421C87B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3684BE6E-B9D1-450E-B450-FCE08421C87B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3684BE6E-B9D1-450E-B450-FCE08421C87B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3684BE6E-B9D1-450E-B450-FCE08421C87B}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

TravelCompany/TravelCompany/Program.cs

@@ -1,13 +1,13 @@
-using TravelCompany.Forms;
 using TravelCompanyContracts.BusinessLogicsContracts;
 using TravelCompanyBusinessLogic.BusinessLogic;
 using TravelCompanyContracts.StoragesContracts;
-using TravelCompanyListImplement.Implements;
+using TravelCompanyFileImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;
 
-namespace TravelCompany
+
+namespace TravelCompany.Forms
 {
     internal static class Program
     {
@@ -38,9 +38,11 @@ namespace TravelCompany
             services.AddTransient<IComponentStorage, ComponentStorage>();
             services.AddTransient<IOrderStorage, OrderStorage>();
             services.AddTransient<ITravelStorage, TravelStorage>();
+
             services.AddTransient<IComponentLogic, ComponentLogic>();
             services.AddTransient<IOrderLogic, OrderLogic>();
             services.AddTransient<ITravelLogic, TravelLogic>();
+
             services.AddTransient<FormMain>();
             services.AddTransient<FormComponent>();
             services.AddTransient<FormComponents>();

TravelCompany/TravelCompany/TravelCompanyView.csproj

@@ -10,16 +10,19 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Configuration" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
+    <PackageReference Include="NLog" Version="5.2.8" />
     <PackageReference Include="NLog.Extensions.Logging" Version="5.3.8" />
   </ItemGroup>
 
   <ItemGroup>
     <ProjectReference Include="..\TravelCompanyBusinessLogic\TravelCompanyBusinessLogic.csproj" />
     <ProjectReference Include="..\TravelCompanyContracts\TravelCompanyContracts.csproj" />
+    <ProjectReference Include="..\TravelCompanyFileImplement\TravelCompanyFileImplement.csproj" />
     <ProjectReference Include="..\TravelCompanyListImplement\TravelCompanyListImplement.csproj" />
   </ItemGroup>
 

TravelCompany/TravelCompanyFileImplement/DataFileSingleton.cs

@@ -0,0 +1,54 @@
+using TravelCompanyFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace TravelCompanyFileImplement
+{
+    public class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+        private readonly string ComponentFileName = "Component.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string TravelFileName = "Travel.xml";
+        public List<Component> Components { get; private set; }
+        public List<Order> Orders { get; private set; }
+        public List<Travel> Travels { 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 SaveTravels() => SaveData(Travels, TravelFileName, "Travels", x => x.GetXElement);
+        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+        private DataFileSingleton()
+        {
+            Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
+            Travels = LoadData(TravelFileName, "Travel", x => Travel.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);
+            }
+        }
+    }
+}

TravelCompany/TravelCompanyFileImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,78 @@
+using TravelCompanyContracts.BindingModels;
+using TravelCompanyContracts.SearchModels;
+using TravelCompanyContracts.StoragesContracts;
+using TravelCompanyContracts.ViewModels;
+using TravelCompanyFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace TravelCompanyFileImplement.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;
+        }
+
+    }
+}

TravelCompany/TravelCompanyFileImplement/Implements/OrderStorage.cs

@@ -0,0 +1,96 @@
+using TravelCompanyContracts.BindingModels;
+using TravelCompanyContracts.SearchModels;
+using TravelCompanyContracts.StoragesContracts;
+using TravelCompanyContracts.ViewModels;
+using TravelCompanyFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace TravelCompanyFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            return GetViewModel(source.Orders.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id));
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            return source.Orders.Where(x => x.Id == model.Id).Select(x => GetViewModel(x)).ToList();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            return source.Orders.Select(x => GetViewModel(x)).ToList();
+        }
+
+        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 GetViewModel(newOrder);
+        }
+
+        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 GetViewModel(order);
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var order = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            source.SaveOrders();
+            return GetViewModel(order);
+        }
+
+        private OrderViewModel GetViewModel(Order order)
+        {
+            var viewModel = order.GetViewModel;
+            foreach (var comp in source.Travels)
+            {
+                if (comp.Id == order.TravelId)
+                {
+                    viewModel.TravelName = comp.TravelName;
+                    break;
+                }
+            }
+            return viewModel;
+        }
+    }
+}

TravelCompany/TravelCompanyFileImplement/Implements/TravelStorage.cs

@@ -0,0 +1,82 @@
+using TravelCompanyContracts.BindingModels;
+using TravelCompanyContracts.SearchModels;
+using TravelCompanyContracts.StoragesContracts;
+using TravelCompanyContracts.ViewModels;
+using TravelCompanyFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace TravelCompanyFileImplement.Implements
+{
+    public class TravelStorage : ITravelStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public TravelStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public TravelViewModel? GetElement(TravelSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.TravelName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Travels.FirstOrDefault(x => (!string.IsNullOrEmpty(model.TravelName) && x.TravelName == model.TravelName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<TravelViewModel> GetFilteredList(TravelSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.TravelName))
+            {
+                return new();
+            }
+            return source.Travels.Where(x => x.TravelName.Contains(model.TravelName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<TravelViewModel> GetFullList()
+        {
+            return source.Travels.Select(x => x.GetViewModel).ToList();
+        }
+
+        public TravelViewModel? Insert(TravelBindingModel model)
+        {
+            model.Id = source.Travels.Count > 0 ? source.Travels.Max(x => x.Id) + 1 : 1;
+            var newDoc = Travel.Create(model);
+            if (newDoc == null)
+            {
+                return null;
+            }
+            source.Travels.Add(newDoc);
+            source.SaveTravels();
+            return newDoc.GetViewModel;
+        }
+
+        public TravelViewModel? Update(TravelBindingModel model)
+        {
+            var document = source.Travels.FirstOrDefault(x => x.Id == model.Id);
+            if (document == null)
+            {
+                return null;
+            }
+            document.Update(model);
+            source.SaveTravels();
+            return document.GetViewModel;
+        }
+        public TravelViewModel? Delete(TravelBindingModel model)
+        {
+            var document = source.Travels.FirstOrDefault(x => x.Id == model.Id);
+            if (document == null)
+            {
+                return null;
+            }
+            document.Update(model);
+            source.SaveTravels();
+            return document.GetViewModel;
+        }
+    }
+}

TravelCompany/TravelCompanyFileImplement/Models/Component.cs

@@ -0,0 +1,64 @@
+using TravelCompanyContracts.BindingModels;
+using TravelCompanyContracts.ViewModels;
+using TravelCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace TravelCompanyFileImplement.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()));
+    }
+}

TravelCompany/TravelCompanyFileImplement/Models/Order.cs

@@ -0,0 +1,104 @@
+using TravelCompanyContracts.BindingModels;
+using TravelCompanyContracts.ViewModels;
+using TravelCompanyDataModels.Enums;
+using TravelCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace TravelCompanyFileImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int TravelId { 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 int Id { get; private set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                TravelId = model.TravelId,
+                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;
+            }
+            var order = new Order()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                TravelId = Convert.ToInt32(element.Element("TravelId")!.Value),
+                Count = Convert.ToInt32(element.Element("Count")!.Value),
+                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
+                DateCreate = DateTime.ParseExact(element.Element("DateCreate")!.Value, "G", null),
+            };
+            DateTime.TryParse(element.Element("DateImplement")!.Value, out DateTime dateImpl);
+
+            order.DateImplement = dateImpl;
+
+            if (!Enum.TryParse(element.Element("Status")!.Value, out OrderStatus status))
+            {
+                return null;
+            }
+            order.Status = status;
+            return order;
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            TravelId = TravelId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+
+        public XElement GetXElement => new("Order",
+          new XAttribute("Id", Id),
+          new XElement("TravelId", TravelId),
+          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()));
+    }
+}

TravelCompany/TravelCompanyFileImplement/Models/Travel.cs

@@ -0,0 +1,95 @@
+using TravelCompanyContracts.BindingModels;
+using TravelCompanyContracts.ViewModels;
+using TravelCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace TravelCompanyFileImplement.Models
+{
+    public class Travel : ITravelModel
+    {
+        public int Id { get; private set; }
+        public string TravelName { 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)>? _TravelComponents = null;
+        public Dictionary<int, (IComponentModel, int)> TravelComponents
+        {
+            get
+            {
+                if (_TravelComponents == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _TravelComponents = Components.ToDictionary(x => x.Key, y =>
+                    ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!,
+                    y.Value));
+                }
+                return _TravelComponents;
+            }
+        }
+        public static Travel? Create(TravelBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Travel()
+            {
+                Id = model.Id,
+                TravelName = model.TravelName,
+                Price = model.Price,
+                Components = model.TravelComponents.ToDictionary(x => x.Key, x
+               => x.Value.Item2)
+            };
+        }
+        public static Travel? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Travel()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                TravelName = element.Element("TravelName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components =
+           element.Element("TravelComponents")!.Elements("TravelComponent")
+            .ToDictionary(x =>
+           Convert.ToInt32(x.Element("Key")?.Value), x =>
+           Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+        public void Update(TravelBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            TravelName = model.TravelName;
+            Price = model.Price;
+            Components = model.TravelComponents.ToDictionary(x => x.Key, x =>
+           x.Value.Item2);
+            _TravelComponents = null;
+        }
+        public TravelViewModel GetViewModel => new()
+        {
+            Id = Id,
+            TravelName = TravelName,
+            Price = Price,
+            TravelComponents = TravelComponents
+        };
+        public XElement GetXElement => new("Travel",
+            new XAttribute("Id", Id),
+            new XElement("TravelName", TravelName),
+            new XElement("Price", Price.ToString()),
+            new XElement("TravelComponents", Components.Select(x => new XElement("TravelComponent", new XElement("Key", x.Key), new XElement("Value", x.Value)))
+
+       .ToArray()));
+
+    }
+}

TravelCompany/TravelCompanyFileImplement/TravelCompanyFileImplement.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="..\TravelCompanyContracts\TravelCompanyContracts.csproj" />
+    <ProjectReference Include="..\TravelCompanyDataModels\TravelCompanyDataModels.csproj" />
+  </ItemGroup>
+
+</Project>