fix

SoftwareInstallation/SoftWareInstallationFileImplement/Component.cs

@@ -0,0 +1,59 @@
+using SoftwareInstallationContracts.BindingModels;
+using SoftwareInstallationContracts.ViewModels;
+using SoftwareInstallationDataModels.Models;
+using System.Xml.Linq;
+
+namespace SoftwareInstallationFileImplement.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()));
+    }
+}

SoftwareInstallation/SoftWareInstallationFileImplement/ComponentStorage.cs

@@ -0,0 +1,75 @@
+using SoftwareInstallationContracts.BindingModels;
+using SoftwareInstallationContracts.SearchModels;
+using SoftwareInstallationContracts.StoragesContracts;
+using SoftwareInstallationContracts.ViewModels;
+using SoftwareInstallationFileImplement.Models;
+
+namespace SoftwareInstallationFileImplement.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;
+        }
+    }
+}

SoftwareInstallation/SoftWareInstallationFileImplement/DataFileSingleton.cs

@@ -0,0 +1,50 @@
+using SoftwareInstallationFileImplement.Models;
+using System.Xml.Linq;
+
+namespace SoftwareInstallationFileImplement
+{
+    public class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+        private readonly string ComponentFileName = "Component.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string PackageFileName = "Package.xml";
+        public List<Component> Components { get; private set; }
+        public List<Order> Orders { get; private set; }
+        public List<Package> Packages { 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 SavePackages() => SaveData(Packages, PackageFileName, "Packages", x => x.GetXElement);
+        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+
+        private DataFileSingleton()
+        {
+            Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
+            Packages = LoadData(PackageFileName, "Package", x => Package.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);
+            }
+        }
+    }
+}

SoftwareInstallation/SoftWareInstallationFileImplement/DataListSingleton.cs

@@ -0,0 +1,26 @@
+using SoftwareInstallationFileImplement.Models;
+
+namespace SoftwareInstallationFileImplement
+{
+    public class DataListSingleton
+    {
+        private static DataListSingleton? _instance;
+        public List<Component> Components { get; set; }
+        public List<Order> Orders { get; set; }
+        public List<Package> Packages { get; set; }
+        private DataListSingleton()
+        {
+            Components = new List<Component>();
+            Orders = new List<Order>();
+            Packages = new List<Package>();
+        }
+        public static DataListSingleton GetInstance()
+        {
+            if (_instance == null)
+            {
+                _instance = new DataListSingleton();
+            }
+            return _instance;
+        }
+    }
+}

SoftwareInstallation/SoftWareInstallationFileImplement/Order.cs

@@ -0,0 +1,93 @@
+using SoftwareInstallationContracts.BindingModels;
+using SoftwareInstallationContracts.ViewModels;
+using SoftwareInstallationDataModels.Models;
+using SoftwareInstallationDataModels.Enums;
+using System.Xml.Linq;
+
+namespace SoftwareInstallationFileImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int PackageId { get; private set; }
+
+        public int Count { get; private set; }
+
+        public double Sum { get; private set; }
+
+        public OrderStatus Status { get; private set; }
+
+        public DateTime DateCreate { get; private set; }
+
+        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()
+            {
+                PackageId = model.PackageId,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+                Id = model.Id,
+            };
+        }
+
+        public static Order? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            var dateImplement = element.Element("DateImplement")!.Value;
+            return new()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
+                Count = Convert.ToInt32(element.Element("Count")!.Value),
+                Status = (OrderStatus)Convert.ToInt32(element.Element("Status")!.Value),
+                PackageId = Convert.ToInt32(element.Element("PackageId")!.Value),
+                DateCreate = Convert.ToDateTime(element.Element("DateCreate")!.Value),
+                DateImplement = string.IsNullOrEmpty(dateImplement) ? null : Convert.ToDateTime(dateImplement),
+            };
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            PackageName = DataFileSingleton.GetInstance().Packages.FirstOrDefault(x => x.Id == PackageId)?.PackageName ?? string.Empty,
+            PackageId = PackageId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+            Id = Id,
+        };
+        public XElement GetXElement => new("Order",
+            new XAttribute("Id", Id),
+            new XElement("PackageId", PackageId),
+            new XElement("Count", Count),
+            new XElement("Sum", Sum.ToString()),
+            new XElement("Status", (int)Status),
+            new XElement("DateCreate", DateCreate),
+            new XElement("DateImplement", DateImplement)
+        );
+    }
+}

SoftwareInstallation/SoftWareInstallationFileImplement/OrderStorage.cs

@@ -0,0 +1,68 @@
+using SoftwareInstallationContracts.BindingModels;
+using SoftwareInstallationContracts.SearchModels;
+using SoftwareInstallationContracts.StoragesContracts;
+using SoftwareInstallationContracts.ViewModels;
+using SoftwareInstallationFileImplement.Models;
+
+namespace SoftwareInstallationFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton _source;
+        public OrderStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+        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;
+        }
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            return _source.Orders.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
+        }
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            var result = GetElement(model);
+            return result != null ? new() { result } : new();
+        }
+        public List<OrderViewModel> GetFullList()
+        {
+            return _source.Orders.Select(x => x.GetViewModel).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 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;
+        }
+    }
+}

SoftwareInstallation/SoftWareInstallationFileImplement/Package.cs

@@ -0,0 +1,89 @@
+using SoftwareInstallationContracts.BindingModels;
+using SoftwareInstallationContracts.ViewModels;
+using SoftwareInstallationDataModels.Models;
+using System.Xml.Linq;
+
+
+namespace SoftwareInstallationFileImplement.Models
+{
+    public class Package : IPackageModel
+    {
+        public int Id { get; private set; }
+        public string PackageName { 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)>? _packageComponents = null;
+        public Dictionary<int, (IComponentModel, int)> PackageComponents
+        {
+            get
+            {
+                if (_packageComponents == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _packageComponents = Components.ToDictionary(x => x.Key, y =>
+                    ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!,
+                    y.Value));
+                }
+                return _packageComponents;
+            }
+        }
+
+        public static Package? Create(PackageBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Package()
+            {
+                Id = model.Id,
+                PackageName = model.PackageName,
+                Price = model.Price,
+                Components = model.PackageComponents.ToDictionary(x => x.Key, x
+               => x.Value.Item2)
+            };
+        }
+        public static Package? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Package()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                PackageName = element.Element("PackageName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components = element.Element("PackageComponents")!.Elements("PackageComponent").ToDictionary(x =>
+                Convert.ToInt32(x.Element("Key")?.Value), x =>
+                Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+        public void Update(PackageBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            PackageName = model.PackageName;
+            Price = model.Price;
+            Components = model.PackageComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _packageComponents = null;
+        }
+        public PackageViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PackageName = PackageName,
+            Price = Price,
+            PackageComponents = PackageComponents
+        };
+        public XElement GetXElement => new("Package", 
+            new XAttribute("Id", Id),
+            new XElement("PackageName", PackageName),
+            new XElement("Price", Price.ToString()),
+            new XElement("PackageComponents", Components.Select(x =>
+            new XElement("PackageComponent",
+            new XElement("Key", x.Key),
+            new XElement("Value", x.Value))).ToArray()));
+    }
+}

SoftwareInstallation/SoftWareInstallationFileImplement/PackageStorage.cs

@@ -0,0 +1,85 @@
+using SoftwareInstallationContracts.BindingModels;
+using SoftwareInstallationContracts.SearchModels;
+using SoftwareInstallationContracts.StoragesContracts;
+using SoftwareInstallationContracts.ViewModels;
+using SoftwareInstallationFileImplement.Models;
+
+namespace SoftwareInstallationFileImplement.Implements
+{
+    public class PackageStorage : IPackageStorage
+    {
+        private readonly DataFileSingleton _source;
+        public PackageStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+
+        public PackageViewModel? Delete(PackageBindingModel model)
+        {
+            var element = _source.Packages.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                _source.Packages.Remove(element);
+                _source.SavePackages();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public PackageViewModel? GetElement(PackageSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.PackageName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return _source.Packages.FirstOrDefault(x => 
+                (!string.IsNullOrEmpty(model.PackageName) && 
+                x.PackageName == model.PackageName) ||
+                (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<PackageViewModel> GetFilteredList(PackageSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.PackageName))
+            {
+                return new();
+            }
+            return _source.Packages
+                .Select(x => x.GetViewModel)
+                .Where(x => x.PackageName.Contains(model.PackageName))
+                .ToList();
+        }
+
+        public List<PackageViewModel> GetFullList()
+        {
+            return _source.Packages
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public PackageViewModel? Insert(PackageBindingModel model)
+        {
+            model.Id = _source.Packages.Count > 0 ? _source.Packages.Max(x => x.Id) + 1 : 1;
+            var newPackage = Package.Create(model);
+            if (newPackage == null)
+            {
+                return null;
+            }
+            _source.Packages.Add(newPackage);
+            _source.SavePackages();
+            return newPackage.GetViewModel;
+        }
+
+        public PackageViewModel? Update(PackageBindingModel model)
+        {
+            var package = _source.Packages.FirstOrDefault(x => x.Id == model.Id);
+            if (package == null)
+            {
+                return null;
+            }
+            package.Update(model);
+            _source.SavePackages();
+            return package.GetViewModel;
+        }
+    }
+}

SoftwareInstallation/SoftWareInstallationFileImplement/SoftwareInstallationFileImplement.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="..\SoftwareInstallationContracts\SoftwareInstallationContracts.csproj" />
+    <ProjectReference Include="..\SoftwareInstallationDataModels\SoftwareInstallationDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

SoftwareInstallation/SoftwareInstalationFileImplement/SoftwareInstalationFileImplement.csproj

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

SoftwareInstallation/SoftwareInstallation.sln

@@ -13,6 +13,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SoftwareInstallationListImp
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SoftwareInstallationView", "SoftwareInstallationView\SoftwareInstallationView.csproj", "{564F09E4-FA75-4090-BBC8-656F23FC8F3E}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SoftwareInstallationFileImplement", "SoftWareInstallationFileImplement\SoftwareInstallationFileImplement.csproj", "{AF966DC2-6172-49DE-97EE-525EF00EBC67}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SoftwareInstallationDatabaseImplement", "SoftwareInstallationDatabaseImplement\SoftwareInstallationDatabaseImplement.csproj", "{449AC3EB-1361-40FC-A3B7-6886C917BBC7}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -39,6 +43,14 @@ Global
 		{564F09E4-FA75-4090-BBC8-656F23FC8F3E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{564F09E4-FA75-4090-BBC8-656F23FC8F3E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{564F09E4-FA75-4090-BBC8-656F23FC8F3E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AF966DC2-6172-49DE-97EE-525EF00EBC67}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AF966DC2-6172-49DE-97EE-525EF00EBC67}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AF966DC2-6172-49DE-97EE-525EF00EBC67}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AF966DC2-6172-49DE-97EE-525EF00EBC67}.Release|Any CPU.Build.0 = Release|Any CPU
+		{449AC3EB-1361-40FC-A3B7-6886C917BBC7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{449AC3EB-1361-40FC-A3B7-6886C917BBC7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{449AC3EB-1361-40FC-A3B7-6886C917BBC7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{449AC3EB-1361-40FC-A3B7-6886C917BBC7}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

SoftwareInstallation/SoftwareInstallationDataModels/SoftwareInstallationDataModels.csproj

@@ -6,4 +6,11 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
 </Project>

SoftwareInstallation/SoftwareInstallationDatabaseImplement/Component.cs

@@ -0,0 +1,58 @@
+using SoftwareInstallationContracts.BindingModels;
+using SoftwareInstallationDataModels.Models;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using SoftwareInstallationContracts.ViewModels;
+
+namespace SoftwareInstallationDatabaseImplement.Models
+{
+    public class Component : IComponentModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string ComponentName { get; private set; } = string.Empty;
+        [Required]
+        public double Cost { get; set; }
+
+        [ForeignKey("ComponentId")]
+        public virtual List<PackageComponent> PackageComponents { get; set; } = new();
+
+        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(ComponentViewModel model)
+        {
+            return new Component
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+        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
+        };
+    }
+}

SoftwareInstallation/SoftwareInstallationDatabaseImplement/ComponentStorage.cs

@@ -0,0 +1,80 @@
+using SoftwareInstallationContracts.BindingModels;
+using SoftwareInstallationContracts.SearchModels;
+using SoftwareInstallationContracts.StoragesContracts;
+using SoftwareInstallationContracts.ViewModels;
+using SoftwareInstallationDatabaseImplement.Models;
+
+namespace SoftwareInstallationDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new SoftwareInstallationDatabase();
+            return context.Components
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+            using var context = new SoftwareInstallationDatabase();
+            return context.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;
+            }
+            using var context = new SoftwareInstallationDatabase();
+            return context.Components
+            .FirstOrDefault(x =>
+                (!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName == model.ComponentName) ||
+                (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            var newComponent = Component.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            using var context = new SoftwareInstallationDatabase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new SoftwareInstallationDatabase();
+            var component = context.Components.FirstOrDefault(x => x.Id == model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            context.SaveChanges();
+            return component.GetViewModel;
+        }
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            using var context = new SoftwareInstallationDatabase();
+            var element = context.Components.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Components.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

SoftwareInstallation/SoftwareInstallationDatabaseImplement/Migrations/20230305152308_InitMigration.Designer.cs

@@ -0,0 +1,171 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using SoftwareInstallationDatabaseImplement;
+
+#nullable disable
+
+namespace SoftwareInstallationDatabaseImplement.Migrations
+{
+    [DbContext(typeof(SoftwareInstallationDatabase))]
+    [Migration("20230305152308_InitMigration")]
+    partial class InitMigration
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("PackageId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PackageId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.Package", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("PackageName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Packages");
+                });
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.PackageComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PackageId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("PackageId");
+
+                    b.ToTable("PackageComponents");
+                });
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("SoftwareInstallationDatabaseImplement.Models.Package", "Package")
+                        .WithMany("Orders")
+                        .HasForeignKey("PackageId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Package");
+                });
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.PackageComponent", b =>
+                {
+                    b.HasOne("SoftwareInstallationDatabaseImplement.Models.Component", "Component")
+                        .WithMany("PackageComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("SoftwareInstallationDatabaseImplement.Models.Package", "Package")
+                        .WithMany("Components")
+                        .HasForeignKey("PackageId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Package");
+                });
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("PackageComponents");
+                });
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.Package", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

SoftwareInstallation/SoftwareInstallationDatabaseImplement/Migrations/20230305152308_InitMigration.cs

@@ -0,0 +1,125 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace SoftwareInstallationDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitMigration : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Components",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ComponentName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Cost = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Components", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Packages",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    PackageName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Packages", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    PackageId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false),
+                    Sum = table.Column<double>(type: "float", nullable: false),
+                    Status = table.Column<int>(type: "int", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "datetime2", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Orders_Packages_PackageId",
+                        column: x => x.PackageId,
+                        principalTable: "Packages",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "PackageComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    PackageId = table.Column<int>(type: "int", nullable: false),
+                    ComponentId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PackageComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_PackageComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_PackageComponents_Packages_PackageId",
+                        column: x => x.PackageId,
+                        principalTable: "Packages",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_PackageId",
+                table: "Orders",
+                column: "PackageId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PackageComponents_ComponentId",
+                table: "PackageComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PackageComponents_PackageId",
+                table: "PackageComponents",
+                column: "PackageId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "PackageComponents");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Packages");
+        }
+    }
+}

SoftwareInstallation/SoftwareInstallationDatabaseImplement/Migrations/SoftwareInstallationDatabaseModelSnapshot.cs

@@ -0,0 +1,168 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using SoftwareInstallationDatabaseImplement;
+
+#nullable disable
+
+namespace SoftwareInstallationDatabaseImplement.Migrations
+{
+    [DbContext(typeof(SoftwareInstallationDatabase))]
+    partial class SoftwareInstallationDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("PackageId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PackageId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.Package", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("PackageName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Packages");
+                });
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.PackageComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PackageId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("PackageId");
+
+                    b.ToTable("PackageComponents");
+                });
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("SoftwareInstallationDatabaseImplement.Models.Package", "Package")
+                        .WithMany("Orders")
+                        .HasForeignKey("PackageId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Package");
+                });
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.PackageComponent", b =>
+                {
+                    b.HasOne("SoftwareInstallationDatabaseImplement.Models.Component", "Component")
+                        .WithMany("PackageComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("SoftwareInstallationDatabaseImplement.Models.Package", "Package")
+                        .WithMany("Components")
+                        .HasForeignKey("PackageId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Package");
+                });
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("PackageComponents");
+                });
+
+            modelBuilder.Entity("SoftwareInstallationDatabaseImplement.Models.Package", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

SoftwareInstallation/SoftwareInstallationDatabaseImplement/Order.cs

@@ -0,0 +1,83 @@
+using SoftwareInstallationContracts.BindingModels;
+using SoftwareInstallationContracts.ViewModels;
+using SoftwareInstallationDataModels.Enums;
+using SoftwareInstallationDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+
+namespace SoftwareInstallationDatabaseImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+
+        [Required]
+        public int PackageId { get; private set; }
+
+        [Required]
+        public int Count { get; private set; }
+
+        [Required]
+        public double Sum { get; private set; }
+
+        [Required]
+        public OrderStatus Status { get; private set; }
+
+        [Required]
+        public DateTime DateCreate { get; private set; }
+
+        public DateTime? DateImplement { get; private set; }
+
+        public Package Package { get; private set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                PackageId = model.PackageId,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+                Id = model.Id,
+            };
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            PackageId = model.PackageId;
+            Count = model.Count;
+            Sum = model.Sum;
+            Status = model.Status;
+            DateCreate = model.DateCreate;
+            DateImplement = model.DateImplement;
+            Id = model.Id;
+        }
+        public OrderViewModel GetViewModel
+        { 
+            get
+            {
+                var context = new SoftwareInstallationDatabase();
+                return new()
+                {
+                    PackageName = Package?.PackageName ?? string.Empty,
+                    PackageId = PackageId,
+                    Count = Count,
+                    Sum = Sum,
+                    Status = Status,
+                    DateCreate = DateCreate,
+                    DateImplement = DateImplement,
+                    Id = Id,
+                };
+            }
+        }
+    }
+}

SoftwareInstallation/SoftwareInstallationDatabaseImplement/OrderStorage.cs

@@ -0,0 +1,78 @@
+using Microsoft.EntityFrameworkCore;
+using SoftwareInstallationContracts.BindingModels;
+using SoftwareInstallationContracts.SearchModels;
+using SoftwareInstallationContracts.StoragesContracts;
+using SoftwareInstallationContracts.ViewModels;
+using SoftwareInstallationDatabaseImplement.Models;
+
+namespace SoftwareInstallationDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new SoftwareInstallationDatabase();
+            var element = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            using var context = new SoftwareInstallationDatabase();
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            return context.Orders
+                .Include(x => x.Package)
+                .FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            var result = GetElement(model);
+            return result != null ? new() { result } : new();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new SoftwareInstallationDatabase();
+            return context.Orders
+                .Include(x => x.Package)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            var newOrder = Order.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            using var context = new SoftwareInstallationDatabase();
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return newOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new SoftwareInstallationDatabase();
+            var order = context.Orders.Include(x => x.Package).FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            context.SaveChanges();
+            return order.GetViewModel;
+        }
+    }
+}

SoftwareInstallation/SoftwareInstallationDatabaseImplement/Package.cs

@@ -0,0 +1,98 @@
+using SoftwareInstallationDataModels.Models;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using SoftwareInstallationContracts.BindingModels;
+using SoftwareInstallationContracts.ViewModels;
+
+namespace SoftwareInstallationDatabaseImplement.Models
+{
+    public class Package : IPackageModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string PackageName { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        private Dictionary<int, (IComponentModel, int)>? _packageComponents = null;
+
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> PackageComponents
+        {
+            get
+            {
+                if (_packageComponents == null)
+                {
+                    _packageComponents = Components
+                    .ToDictionary(recPC => recPC.ComponentId, recPC =>
+                    (recPC.Component as IComponentModel, recPC.Count));
+                }
+                return _packageComponents;
+            }
+        }
+
+        [ForeignKey("PackageId")]
+        public virtual List<PackageComponent> Components { get; set; } = new();
+        [ForeignKey("PackageId")]
+        public virtual List<Order> Orders { get; set; } = new();
+
+        public static Package Create(SoftwareInstallationDatabase context, PackageBindingModel model)
+        {
+            return new Package()
+            {
+                Id = model.Id,
+                PackageName = model.PackageName,
+                Price = model.Price,
+                Components = model.PackageComponents.Select(x => new PackageComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+        public void Update(PackageBindingModel model)
+        {
+            PackageName = model.PackageName;
+            Price = model.Price;
+        }
+        public PackageViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PackageName = PackageName,
+            Price = Price,
+            PackageComponents = PackageComponents
+        };
+        public void UpdateComponents(SoftwareInstallationDatabase context, PackageBindingModel model)
+        {
+            var packageComponents = context.PackageComponents
+                .Where(rec => rec.PackageId == model.Id)
+                .ToList();
+            if (packageComponents != null && packageComponents.Count > 0)
+            { // удалили те, которых нет в модели
+                context.PackageComponents
+                    .RemoveRange(packageComponents
+                    .Where(rec => !model.PackageComponents
+                                        .ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateComponent in packageComponents.Where(x => model.PackageComponents.ContainsKey(x.ComponentId)))
+                {
+                    updateComponent.Count = model.PackageComponents[updateComponent.ComponentId].Item2;
+                    model.PackageComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+            var package = context.Packages.First(x => x.Id == Id);
+            foreach (var pc in model.PackageComponents)
+            {
+                context.PackageComponents.Add(new PackageComponent
+                {
+                    Package = package,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _packageComponents = null;
+        }
+    }
+}

SoftwareInstallation/SoftwareInstallationDatabaseImplement/PackageComponent.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace SoftwareInstallationDatabaseImplement.Models
+{
+    public class PackageComponent
+    {
+        public int Id { get; set; }
+        [Required]
+        public int PackageId { get; set; }
+        [Required]
+        public int ComponentId { get; set; }
+        [Required]
+        public int Count { get; set; }
+
+        public virtual Component Component { get; set; } = new();
+        public virtual Package Package { get; set; } = new();
+    }
+}

SoftwareInstallation/SoftwareInstallationDatabaseImplement/PackageStorage.cs

@@ -0,0 +1,103 @@
+using SoftwareInstallationContracts.BindingModels;
+using SoftwareInstallationContracts.SearchModels;
+using SoftwareInstallationContracts.StoragesContracts;
+using SoftwareInstallationContracts.ViewModels;
+using SoftwareInstallationDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace SoftwareInstallationDatabaseImplement.Implements
+{
+    public class PackageStorage : IPackageStorage
+    {
+        public PackageViewModel? Delete(PackageBindingModel model)
+        {
+            using var context = new SoftwareInstallationDatabase();
+            var element = context.Packages.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                context.Packages.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public PackageViewModel? GetElement(PackageSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.PackageName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new SoftwareInstallationDatabase();
+            return context.Packages
+                .Include(x => x.Components)
+                .ThenInclude(x => x.Component)
+                .FirstOrDefault
+                (x => (!string.IsNullOrEmpty(model.PackageName) && x.PackageName == model.PackageName) ||
+                      (model.Id.HasValue && x.Id == model.Id)
+                )?.GetViewModel;
+        }
+
+        public List<PackageViewModel> GetFilteredList(PackageSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.PackageName))
+            {
+                return new();
+            }
+            using var context = new SoftwareInstallationDatabase();
+            return context.Packages
+                .Include(x => x.Components)
+                .ThenInclude(x => x.Component)
+                .Select(x => x.GetViewModel)
+                .Where(x => x.PackageName.Contains(model.PackageName))
+                .ToList();
+        }
+
+        public List<PackageViewModel> GetFullList()
+        {
+            using var context = new SoftwareInstallationDatabase();
+            return context.Packages
+                .Include(x => x.Components)
+                .ThenInclude(x => x.Component)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public PackageViewModel? Insert(PackageBindingModel model)
+        {
+            using var context = new SoftwareInstallationDatabase();
+            var newPackage = Package.Create(context, model);
+            if (newPackage == null)
+            {
+                return null;
+            }
+            context.Packages.Add(newPackage);
+            context.SaveChanges();
+            return newPackage.GetViewModel;
+        }
+
+        public PackageViewModel? Update(PackageBindingModel model)
+        {
+            using var context = new SoftwareInstallationDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var package = context.Packages.FirstOrDefault(x => x.Id == model.Id);
+                if (package == null)
+                {
+                    return null;
+                }
+                package.Update(model);
+                context.SaveChanges();
+                package.UpdateComponents(context, model);
+                transaction.Commit();
+                return package.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+    }
+}

SoftwareInstallation/SoftwareInstallationDatabaseImplement/SoftwareInstallationDatabase.cs

@@ -0,0 +1,27 @@
+using SoftwareInstallationDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace SoftwareInstallationDatabaseImplement
+{
+    public class SoftwareInstallationDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            // Перед работой необходимо установить SQL Express
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseSqlServer(@"
+                Server = localhost\SQLEXPRESS;
+                Initial Catalog = SoftwareInstallationDatabaseFull;
+                Integrated Security = True;
+                MultipleActiveResultSets = True;
+                TrustServerCertificate = True");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+        public virtual DbSet<Component> Components { set; get; }
+        public virtual DbSet<Package> Packages { set; get; }
+        public virtual DbSet<PackageComponent> PackageComponents { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+    }
+}

SoftwareInstallation/SoftwareInstallationDatabaseImplement/SoftwareInstallationDatabaseImplement.csproj

@@ -0,0 +1,24 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="7.0.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\SoftwareInstallationContracts\SoftwareInstallationContracts.csproj" />
+    <ProjectReference Include="..\SoftwareInstallationDataModels\SoftwareInstallationDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

SoftwareInstallation/SoftwareInstallationView/FormComponents.Designer.cs

@@ -102,6 +102,7 @@
             this.Controls.Add(this.buttonAdd);
             this.Name = "FormComponents";
             this.Text = "Компоненты";
+            this.Load += new System.EventHandler(this.FormComponents_Load);
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).EndInit();
             this.ResumeLayout(false);
 

SoftwareInstallation/SoftwareInstallationView/FormMain.Designer.cs

@@ -157,6 +157,7 @@
             this.Controls.Add(this.menuStrip1);
             this.Name = "FormMain";
             this.Text = "Установка ПО";
+            this.Load += new System.EventHandler(this.FormMain_Load);
             this.menuStrip1.ResumeLayout(false);
             this.menuStrip1.PerformLayout();
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).EndInit();

SoftwareInstallation/SoftwareInstallationView/FormPackages.Designer.cs

@@ -105,6 +105,7 @@
             this.Controls.Add(this.dataGridView);
             this.Name = "FormPackages";
             this.Text = "Изделия";
+            this.Load += new System.EventHandler(this.FormViewPackage_Load);
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).EndInit();
             this.ResumeLayout(false);
 

SoftwareInstallation/SoftwareInstallationView/Program.cs

@@ -1,7 +1,7 @@
 using SoftwareInstallationBusinessLogic.BusinessLogics;
 using SoftwareInstallationContracts.BusinessLogicsContracts;
 using SoftwareInstallationContracts.StoragesContracts;
-using SoftwareInstallationListImplement.Implements;
+using SoftwareInstallationDatabaseImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;
@@ -36,9 +36,11 @@ namespace SoftwareInstallationView
             services.AddTransient<IComponentStorage, ComponentStorage>();
             services.AddTransient<IOrderStorage, OrderStorage>();
             services.AddTransient<IPackageStorage, PackageStorage>();
+
             services.AddTransient<IComponentLogic, ComponentLogic>();
             services.AddTransient<IOrderLogic, OrderLogic>();
             services.AddTransient<IPackageLogic, PackageLogic>();
+
             services.AddTransient<FormMain>();
             services.AddTransient<FormComponent>();
             services.AddTransient<FormComponents>();

SoftwareInstallation/SoftwareInstallationView/SoftwareInstallationView.csproj

@@ -9,6 +9,10 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.0" />
     <PackageReference Include="NLog.Extensions.Logging" Version="5.2.1" />
@@ -17,7 +21,8 @@
   <ItemGroup>
     <ProjectReference Include="..\SoftwareInstallationBusinessLogic\SoftwareInstallationBusinessLogic.csproj" />
     <ProjectReference Include="..\SoftwareInstallationContracts\SoftwareInstallationContracts.csproj" />
-    <ProjectReference Include="..\SoftwareInstallationDataModels\SoftwareInstallationDataModels.csproj" />
+    <ProjectReference Include="..\SoftwareInstallationDatabaseImplement\SoftwareInstallationDatabaseImplement.csproj" />
+    <ProjectReference Include="..\SoftWareInstallationFileImplement\SoftwareInstallationFileImplement.csproj" />
     <ProjectReference Include="..\SoftwareInstallationListImplement\SoftwareInstallationListImplement.csproj" />
   </ItemGroup>