Lab03: pre-migration commit

AbazovApp/AbazovApp.sln

@@ -3,9 +3,19 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.3.32825.248
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AbazovAppView", "AbazovAppView\AbazovAppView.csproj", "{D7EF43DC-2F09-4EAD-8161-6D4A08BC7786}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AbazovAppView", "AbazovAppView\AbazovAppView.csproj", "{D7EF43DC-2F09-4EAD-8161-6D4A08BC7786}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AbazovViewComponents", "AbazovViewComponents\AbazovViewComponents.csproj", "{070AAA71-3C9B-4E19-A89D-83372C630C6E}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AbazovViewComponents", "AbazovViewComponents\AbazovViewComponents.csproj", "{070AAA71-3C9B-4E19-A89D-83372C630C6E}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AccountsApp", "AccountsApp\AccountsApp.csproj", "{AFCB57A0-4332-4C32-9FB1-60548F7D7276}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AccountsDataModels", "AccountsDataModels\AccountsDataModels.csproj", "{31DEDC68-889D-427B-ADDE-60F2ADE2C596}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AccountsContracts", "AccountsContracts\AccountsContracts.csproj", "{CDA8B86A-9645-4D83-92D0-C8D2D85B734F}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AccountsBusinessLogic", "AccountsBusinessLogic\AccountsBusinessLogic.csproj", "{D98A5D9F-A491-4A4B-A4A3-B1F388BAD18D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AccountsDataBaseImplement", "AccountsDataBaseImplement\AccountsDataBaseImplement.csproj", "{ACF95C0D-CEB3-41B9-8B7F-149BEEEE53CE}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -21,6 +31,26 @@ Global
 		{070AAA71-3C9B-4E19-A89D-83372C630C6E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{070AAA71-3C9B-4E19-A89D-83372C630C6E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{070AAA71-3C9B-4E19-A89D-83372C630C6E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AFCB57A0-4332-4C32-9FB1-60548F7D7276}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AFCB57A0-4332-4C32-9FB1-60548F7D7276}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AFCB57A0-4332-4C32-9FB1-60548F7D7276}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AFCB57A0-4332-4C32-9FB1-60548F7D7276}.Release|Any CPU.Build.0 = Release|Any CPU
+		{31DEDC68-889D-427B-ADDE-60F2ADE2C596}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{31DEDC68-889D-427B-ADDE-60F2ADE2C596}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{31DEDC68-889D-427B-ADDE-60F2ADE2C596}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{31DEDC68-889D-427B-ADDE-60F2ADE2C596}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CDA8B86A-9645-4D83-92D0-C8D2D85B734F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CDA8B86A-9645-4D83-92D0-C8D2D85B734F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CDA8B86A-9645-4D83-92D0-C8D2D85B734F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CDA8B86A-9645-4D83-92D0-C8D2D85B734F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D98A5D9F-A491-4A4B-A4A3-B1F388BAD18D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D98A5D9F-A491-4A4B-A4A3-B1F388BAD18D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D98A5D9F-A491-4A4B-A4A3-B1F388BAD18D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D98A5D9F-A491-4A4B-A4A3-B1F388BAD18D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{ACF95C0D-CEB3-41B9-8B7F-149BEEEE53CE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{ACF95C0D-CEB3-41B9-8B7F-149BEEEE53CE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{ACF95C0D-CEB3-41B9-8B7F-149BEEEE53CE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{ACF95C0D-CEB3-41B9-8B7F-149BEEEE53CE}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

AbazovApp/AccountsApp/AccountsApp.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net6.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWindowsForms>true</UseWindowsForms>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="ComponentsLibraryNet60" Version="1.0.0" />
+    <PackageReference Include="ControlsLibraryNet60" Version="1.0.0" />
+    <PackageReference Include="NevaevaLibrary" Version="1.0.0" />
+  </ItemGroup>
+
+</Project>

AbazovApp/AccountsApp/FormMain.Designer.cs

@@ -0,0 +1,46 @@
+namespace AccountsApp
+{
+    partial class FormMain
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.SuspendLayout();
+            // 
+            // FormMain
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(800, 450);
+            this.Name = "FormMain";
+            this.Text = "FormMain";
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+    }
+}

AbazovApp/AccountsApp/FormMain.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace AccountsApp
+{
+    public partial class FormMain : Form
+    {
+        public FormMain()
+        {
+            InitializeComponent();
+        }
+    }
+}

AbazovApp/AccountsApp/FormMain.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

AbazovApp/AccountsApp/Program.cs

@@ -0,0 +1,17 @@
+namespace AccountsApp
+{
+    internal static class Program
+    {
+        /// <summary>
+        ///  The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        static void Main()
+        {
+            // To customize application configuration such as set high DPI settings or default font,
+            // see https://aka.ms/applicationconfiguration.
+            ApplicationConfiguration.Initialize();
+            Application.Run(new FormMain());
+        }
+    }
+}

AbazovApp/AccountsBusinessLogic/AccountsBusinessLogic.csproj

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

AbazovApp/AccountsBusinessLogic/BusinessLogics/AccountLogic.cs

@@ -0,0 +1,100 @@
+using AccountsContracts.BindingModels;
+using AccountsContracts.BusinessLogicContracts;
+using AccountsContracts.SearchModels;
+using AccountsContracts.StorageContracts;
+using AccountsContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsBusinessLogic.BusinessLogics
+{
+    public class AccountLogic : IAccountLogic
+    {
+        private readonly IAccountStorage _accountStorage;
+
+        public AccountLogic(IAccountStorage accountStorage)
+        {
+            _accountStorage = accountStorage;
+        }
+
+        public List<AccountViewModel>? ReadList(AccountSearchModel? model)
+        {
+            var list = model == null ? _accountStorage.GetFullList() : _accountStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                return null;
+            }
+            return list;
+        }
+
+        public AccountViewModel? ReadElement(AccountSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            var element = _accountStorage.GetElement(model);
+            if (element == null)
+            {
+                return null;
+            }
+            return element;
+        }
+
+        public bool Create(AccountBindingModel model)
+        {
+            CheckModel(model);
+            if (_accountStorage.Insert(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(AccountBindingModel model)
+        {
+            CheckModel(model);
+            if (_accountStorage.Update(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(AccountBindingModel model)
+        {
+            CheckModel(model, false);
+            if (_accountStorage.Delete(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(AccountBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Login))
+            {
+                throw new ArgumentNullException("Нет логина пользователя", nameof(model.Login));
+            }
+            if (string.IsNullOrEmpty(model.Password))
+            {
+                throw new ArgumentNullException("Нет пароля пользователя", nameof(model.Password));
+            }
+            if (string.IsNullOrEmpty(model.Email))
+            {
+                throw new ArgumentNullException("Нет электронной почты пользователя", nameof(model.Email));
+            }
+        }
+    }
+}

AbazovApp/AccountsBusinessLogic/BusinessLogics/InterestLogic.cs

@@ -0,0 +1,93 @@
+using AccountsContracts.BindingModels;
+using AccountsContracts.BusinessLogicContracts;
+using AccountsContracts.SearchModels;
+using AccountsContracts.StorageContracts;
+using AccountsContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+
+namespace AccountsBusinessLogic.BusinessLogics
+{
+    public class InterestLogic : IInterestLogic
+    {
+        private readonly IInterestStorage _interestStorage;
+
+        public InterestLogic(IInterestStorage interestStorage)
+        {
+            _interestStorage = interestStorage;
+        }
+
+        public List<InterestViewModel>? ReadList(InterestSearchModel? model)
+        {
+            var list = model == null ? _interestStorage.GetFullList() : _interestStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                return null;
+            }
+            return list;
+        }
+
+        public InterestViewModel? ReadElement(InterestSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            var element = _interestStorage.GetElement(model);
+            if (element == null)
+            {
+                return null;
+            }
+            return element;
+        }
+
+        public bool Create(InterestBindingModel model)
+        {
+            CheckModel(model);
+            if (_interestStorage.Insert(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(InterestBindingModel model)
+        {
+            CheckModel(model);
+            if (_interestStorage.Update(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(InterestBindingModel model)
+        {
+            CheckModel(model, false);
+            if (_interestStorage.Delete(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(InterestBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                throw new ArgumentNullException("Нет названия интереса", nameof(model.Name));
+            }
+        }
+    }
+}

AbazovApp/AccountsContracts/AccountsContracts.csproj

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

AbazovApp/AccountsContracts/BindingModels/AccountBindingModel.cs

@@ -0,0 +1,26 @@
+using AccountsDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsContracts.BindingModels
+{
+    public class AccountBindingModel : IAccountModel
+    {
+        public string Login { get; set; } = string.Empty;
+
+        public string Password { get; set; } = string.Empty;
+
+        public string Email { get; set; } = string.Empty;
+
+        public int Id { get; set; }
+
+        public Dictionary<int, IInterestModel> AccountInterests
+        {
+            get;
+            set;
+        } = new();
+    }
+}

AbazovApp/AccountsContracts/BindingModels/InterestBindingModel.cs

@@ -0,0 +1,16 @@
+using AccountsDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsContracts.BindingModels
+{
+    public class InterestBindingModel : IInterestModel
+    {
+        public string Name { get; set;} = String.Empty;
+
+        public int Id { get; set; }
+    }
+}

AbazovApp/AccountsContracts/BusinessLogicContracts/IAccountLogic.cs

@@ -0,0 +1,20 @@
+using AccountsContracts.BindingModels;
+using AccountsContracts.SearchModels;
+using AccountsContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsContracts.BusinessLogicContracts
+{
+    public interface IAccountLogic
+    {
+        List<AccountViewModel>? ReadList(AccountSearchModel? model);
+        AccountViewModel? ReadElement(AccountSearchModel model);
+        bool Create(AccountBindingModel model);
+        bool Update(AccountBindingModel model);
+        bool Delete(AccountBindingModel model);
+    }
+}

AbazovApp/AccountsContracts/BusinessLogicContracts/IInterestLogic.cs

@@ -0,0 +1,20 @@
+using AccountsContracts.BindingModels;
+using AccountsContracts.SearchModels;
+using AccountsContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsContracts.BusinessLogicContracts
+{
+    public interface IInterestLogic
+    {
+        List<InterestViewModel>? ReadList(InterestSearchModel? model);
+        InterestViewModel? ReadElement(InterestSearchModel model);
+        bool Create(InterestBindingModel model);
+        bool Update(InterestBindingModel model);
+        bool Delete(InterestBindingModel model);
+    }
+}

AbazovApp/AccountsContracts/SearchModels/AccountSearchModel.cs

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

AbazovApp/AccountsContracts/SearchModels/InterestSearchModel.cs

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

AbazovApp/AccountsContracts/StorageContracts/IAccountStorage.cs

@@ -0,0 +1,21 @@
+using AccountsContracts.BindingModels;
+using AccountsContracts.SearchModels;
+using AccountsContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsContracts.StorageContracts
+{
+    public interface IAccountStorage
+    {
+        List<AccountViewModel> GetFullList();
+        List<AccountViewModel> GetFilteredList(AccountSearchModel model);
+        AccountViewModel? GetElement(AccountSearchModel model);
+        AccountViewModel? Insert(AccountBindingModel model);
+        AccountViewModel? Update(AccountBindingModel model);
+        AccountViewModel? Delete(AccountBindingModel model);
+    }
+}

AbazovApp/AccountsContracts/StorageContracts/IInterestStorage.cs

@@ -0,0 +1,21 @@
+using AccountsContracts.BindingModels;
+using AccountsContracts.SearchModels;
+using AccountsContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsContracts.StorageContracts
+{
+    public interface IInterestStorage
+    {
+        List<InterestViewModel> GetFullList();
+        List<InterestViewModel> GetFilteredList(InterestSearchModel model);
+        InterestViewModel? GetElement(InterestSearchModel model);
+        InterestViewModel? Insert(InterestBindingModel model);
+        InterestViewModel? Update(InterestBindingModel model);
+        InterestViewModel? Delete(InterestBindingModel model);
+    }
+}

AbazovApp/AccountsContracts/ViewModels/AccountViewModel.cs

@@ -0,0 +1,21 @@
+using AccountsDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsContracts.ViewModels
+{
+    public class AccountViewModel : IAccountModel
+    {
+        [DisplayName("Почта")]
+        public string Login { get; set; } = string.Empty;
+        [DisplayName("Пароль")]
+        public string Password { get; set; } = string.Empty;
+        [DisplayName("Электронная почта")]
+        public string Email { get; set; } = string.Empty;
+        public int Id { get; set; }
+    }
+}

AbazovApp/AccountsContracts/ViewModels/InterestViewModel.cs

@@ -0,0 +1,17 @@
+using AccountsDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsContracts.ViewModels
+{
+    public class InterestViewModel : IInterestModel
+    {
+        [DisplayName("Название")]
+        public string Name { get; set; } = string.Empty;
+        public int Id { get; set; }
+    }
+}

AbazovApp/AccountsDataBaseImplement/AccountsDataBaseImplement.csproj

@@ -0,0 +1,22 @@
+<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.Tools" Version="7.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\AccountsContracts\AccountsContracts.csproj" />
+  </ItemGroup>
+
+</Project>

AbazovApp/AccountsDataBaseImplement/AccountsDatabase.cs

@@ -0,0 +1,20 @@
+using AccountsDataBaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsDataBaseImplement
+{
+    public class AccountsDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+            => optionsBuilder.UseNpgsql("Host=localhost;Database=AccountsDB;Username=postgres;Password=postgres");
+
+        public virtual DbSet<Account> Accounts { set; get; }
+        public virtual DbSet<Interest> Interests { set; get; }
+        public virtual DbSet<AccountInterest> AccountInterests { set; get; }
+    }
+}

AbazovApp/AccountsDataBaseImplement/Implements/AccountStorage.cs

@@ -0,0 +1,94 @@
+using AccountsContracts.BindingModels;
+using AccountsContracts.SearchModels;
+using AccountsContracts.StorageContracts;
+using AccountsContracts.ViewModels;
+using AccountsDataBaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsDataBaseImplement.Implements
+{
+    public class AccountStorage : IAccountStorage
+    {
+        public List<AccountViewModel> GetFullList()
+        {
+            using var context = new AccountsDatabase();
+            return context.Accounts
+            .Include(x => x.Interests)
+            .ThenInclude(x => x.Interest)
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<AccountViewModel> GetFilteredList(AccountSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+
+            using var context = new AccountsDatabase();
+            return context.Accounts
+            .Include(x => x.Interests)
+            .ThenInclude(x => x.Interest)
+            .Where(x => x.Id == model.Id)
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public AccountViewModel? GetElement(AccountSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+
+            using var context = new AccountsDatabase();
+            return context.Accounts
+            .Include(x => x.Interests)
+            .ThenInclude(x => x.Interest)
+            .FirstOrDefault(x => x.Id == model.Id)
+            ?.GetViewModel;
+        }
+        public AccountViewModel? Insert(AccountBindingModel model)
+        {
+            var newAccount = Account.Create(model);
+            if (newAccount == null)
+            {
+                return null;
+            }
+            using var context = new AccountsDatabase();
+            context.Accounts.Add(newAccount);
+            context.SaveChanges();
+            return newAccount.GetViewModel;
+        }
+        public AccountViewModel? Update(AccountBindingModel model)
+        {
+            using var context = new AccountsDatabase();
+            var account = context.Accounts.FirstOrDefault(x => x.Id == model.Id);
+            if (account == null)
+            {
+                return null;
+            }
+            account.Update(model);
+            context.SaveChanges();
+            return account.GetViewModel;
+        }
+        public AccountViewModel? Delete(AccountBindingModel model)
+        {
+            using var context = new AccountsDatabase();
+            var element = context.Accounts
+                .Include(x => x.Interests)
+                .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Accounts.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

AbazovApp/AccountsDataBaseImplement/Implements/InterestStorage.cs

@@ -0,0 +1,83 @@
+using AccountsContracts.BindingModels;
+using AccountsContracts.SearchModels;
+using AccountsContracts.StorageContracts;
+using AccountsContracts.ViewModels;
+using AccountsDataBaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsDataBaseImplement.Implements
+{
+    public class InterestStorage : IInterestStorage
+    {
+        public List<InterestViewModel> GetFullList()
+        {
+            using var context = new AccountsDatabase();
+            return context.Interests
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<InterestViewModel> GetFilteredList(InterestSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new AccountsDatabase();
+            return context.Interests
+            .Where(x => x.Id == model.Id)
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public InterestViewModel? GetElement(InterestSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new AccountsDatabase();
+            return context.Interests
+            .FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)
+            ?.GetViewModel;
+        }
+        public InterestViewModel? Insert(InterestBindingModel model)
+        {
+            var newInterest = Interest.Create(model);
+            if (newInterest == null)
+            {
+                return null;
+            }
+            using var context = new AccountsDatabase();
+            context.Interests.Add(newInterest);
+            context.SaveChanges();
+            return newInterest.GetViewModel;
+        }
+        public InterestViewModel? Update(InterestBindingModel model)
+        {
+            using var context = new AccountsDatabase();
+            var component = context.Interests.FirstOrDefault(x => x.Id == model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            context.SaveChanges();
+            return component.GetViewModel;
+        }
+        public InterestViewModel? Delete(InterestBindingModel model)
+        {
+            using var context = new AccountsDatabase();
+            var element = context.Interests.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Interests.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

AbazovApp/AccountsDataBaseImplement/Models/Account.cs

@@ -0,0 +1,109 @@
+using AccountsContracts.BindingModels;
+using AccountsContracts.ViewModels;
+using AccountsDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsDataBaseImplement.Models
+{
+    public class Account : IAccountModel
+    {
+        [Required]
+        public string Login { get; set; } = string.Empty;
+        [Required]
+        public string Password { get; set; } = string.Empty;
+        [Required]
+        public string Email { get; set; } = string.Empty;
+
+        public int Id { get; private set; }
+
+        private Dictionary<int, IInterestModel>? _accountInterests = null;
+        [NotMapped]
+        public Dictionary<int, IInterestModel> AccountInterests
+        {
+            get
+            {
+                if (_accountInterests == null)
+                {
+                    _accountInterests = Interests
+                    .ToDictionary(recPI => recPI.InterestId, recPI => recPI.Interest as IInterestModel);
+                }
+                return _accountInterests;
+            }
+        }
+        [ForeignKey("AccountId")]
+        public virtual List<AccountInterest> Interests { get; set; } = new();
+
+        public static Account? Create(AccountBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Account()
+            {
+                Id = model.Id,
+                Login = model.Login,
+                Password = model.Password,
+                Email = model.Email,
+            };
+        }
+        public static Account? Create(AccountViewModel? model)
+        {
+            return new Account()
+            {
+                Id = model.Id,
+                Login = model.Login,
+                Password = model.Password,
+                Email = model.Email,
+            };
+        }
+        public void Update(AccountBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Login = model.Login;
+            Password = model.Password;
+        }
+        public AccountViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Login = Login,
+            Password = Password,
+            Email = Email,
+        };
+        public void UpdateInterests(AccountsDatabase context, AccountBindingModel model)
+        {
+            var accountInterests = context.AccountInterests.Where(rec => rec.AccountId == model.Id).ToList();
+            if (accountInterests != null && accountInterests.Count > 0)
+            {
+                // удалили те, которых нет в модели
+                context.AccountInterests.RemoveRange(accountInterests.Where(rec => !model.AccountInterests.ContainsKey(rec.InterestId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateInterest in accountInterests)
+                {
+                    model.AccountInterests.Remove(updateInterest.InterestId);
+                }
+                var account = context.Accounts.First(x => x.Id == Id);
+                foreach (var pc in model.AccountInterests)
+                {
+                    context.AccountInterests.Add(new AccountInterest
+                    {
+                        Account = account,
+                        Interest = context.Interests.First(x => x.Id == pc.Key),
+                    });
+                    context.SaveChanges();
+                }
+                _accountInterests = null;
+            }
+        }
+    }
+}

AbazovApp/AccountsDataBaseImplement/Models/AccountInterest.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsDataBaseImplement.Models
+{
+    public class AccountInterest
+    {
+        public int Id { get; set; }
+        [Required]
+        public int AccountId { get; set; }
+        [Required]
+        public int InterestId { get; set; }
+        public virtual Account Account { get; set; } = new();
+        public virtual Interest Interest { get; set; } = new();
+    }
+}

AbazovApp/AccountsDataBaseImplement/Models/Interest.cs

@@ -0,0 +1,53 @@
+using AccountsContracts.BindingModels;
+using AccountsContracts.ViewModels;
+using AccountsDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsDataBaseImplement.Models
+{
+    public class Interest : IInterestModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string Name { get; private set; } = string.Empty;
+
+        public static Interest? Create(InterestBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Interest()
+            {
+                Id = model.Id,
+                Name = model.Name,
+            };
+        }
+        public static Interest? Create(InterestViewModel? model)
+        {
+            return new Interest()
+            {
+                Id = model.Id,
+                Name = model.Name,
+            };
+        }
+        public void Update(InterestBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Name = model.Name;
+        }
+        public InterestViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+        };
+    }
+}

AbazovApp/AccountsDataModels/AccountsDataModels.csproj

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

AbazovApp/AccountsDataModels/IId.cs

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

AbazovApp/AccountsDataModels/Models/IAccountModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsDataModels.Models
+{
+    public interface IAccountModel : IId
+    {
+        string Login { get; }
+        string Password { get; }
+        string Email { get; }
+    }
+}

AbazovApp/AccountsDataModels/Models/IInterestModel.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AccountsDataModels.Models
+{
+    public interface IInterestModel : IId
+    {
+        string Name { get; }
+    }
+}