Interfaces

Domain/App.config

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <configSections>
+    <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
+    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
+  </configSections>
+  <entityFramework>
+    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
+      <parameters>
+        <parameter value="mssqllocaldb" />
+      </parameters>
+    </defaultConnectionFactory>
+    <providers>
+      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
+    </providers>
+  </entityFramework>
+</configuration>

Domain/Cource.cs

@@ -17,6 +17,6 @@ namespace Domain
         public int SubjectId { get; set; }
         public Subject Subject { get; set; }
 
-        public virtual List<Person> Persons { get; set; } = new List<Person>();
+        public virtual List<PersonCources> Persons { get; set; } = new List<PersonCources>();
     }
 }

Domain/Domain.csproj

@@ -30,6 +30,14 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
+      <HintPath>..\packages\EntityFramework.6.1.3\lib\net45\EntityFramework.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="EntityFramework.SqlServer, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
+      <HintPath>..\packages\EntityFramework.6.1.3\lib\net45\EntityFramework.SqlServer.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Core" />
@@ -48,6 +56,10 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Subject.cs" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+    <None Include="packages.config" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.

Domain/Enums/PersonType.cs

@@ -6,11 +6,9 @@ using System.Threading.Tasks;
 
 namespace Domain.Enums
 {
-    class PersonType
+    public enum PersonType
     {
-        public enum PersonTypeEnum {
-            Student,
-            Teacher
-        }
+        Student,
+        Teacher
     }
 }

Domain/Person.cs

@@ -4,6 +4,7 @@ using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using Domain.Enums;
 
 namespace Domain
 {
@@ -20,7 +21,9 @@ namespace Domain
         [Required]
         public string LastName { get; set; }
 
-        public virtual List<Cource> Courses { get; set; }
+        public PersonType PersonType { get; set; }
+
+        public virtual List<PersonCources> Courses { get; set; } = new List<PersonCources>();
 
         #region NotMaped
         public string FirstLastName => $"{FirstName} {LastName}";

Domain/Subject.cs

@@ -8,7 +8,7 @@ using System.ComponentModel.DataAnnotations;
 
 namespace Domain
 {
-    class Subject
+    public class Subject
     {
         public int SubjectId { get; set; }
 

Domain/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="EntityFramework" version="6.1.3" targetFramework="net452" />
+</packages>