Classes expanded

DaSaSo.Domain/Model/Buildingsite.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DaSaSo.Domain.Model
+{
+    public class Buildingsite : DomainObject
+    {
+        public string BuildingSiteNumber { get; set; }
+        public string Country { get; set; }
+        public string ContactPerson { get; set; }
+        public IEnumerable<SewerObjects> SewerObjects { get; set; }
+    }
+}

DaSaSo.Domain/Model/Client.cs

@@ -10,5 +10,9 @@ namespace DaSaSo.Domain.Model
     {
         public string Firstname { get; set; }
         public string LastName { get; set; }
+        public string Country { get; set; }
+        public string Postcode { get; set; }
+        public IEnumerable<Project> Projects { get; set; }
+
     }
 }

DaSaSo.Domain/Model/Project.cs

@@ -10,5 +10,6 @@ namespace DaSaSo.Domain.Model
     {
         public string Name {  get; set; }
         public Client Client { get; set; }
+        public IEnumerable<Buildingsite> BuildingSites { get; set; }
     }
 }

DaSaSo.Domain/Model/SewerObjects.cs

@@ -0,0 +1,6 @@
+namespace DaSaSo.Domain.Model
+{
+    public class SewerObjects
+    {
+    }
+}

DaSaSo.EntityFramework/DaSaSo.EntityFramework.csproj

@@ -5,4 +5,17 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.0-preview.7.21378.4" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="6.0.0-preview.7.21378.4">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="6.0.0-preview7" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\DaSaSo.Domain\DaSaSo.Domain.csproj" />
+  </ItemGroup>
+
 </Project>

DaSaSo.EntityFramework/DaSaSoDbContext.cs

@@ -15,5 +15,8 @@ namespace DaSaSo.EntityFramework
         }
 
         public DbSet<Client> Clients { get; set; }
+        public DbSet<Project> Projects { get; set; }
+        public DbSet<Buildingsite> Buildingsites { get; set; }
+
     }
 }

DaSaSo.EntityFramework/DaSaSoDbContextFactory.cs

@@ -10,7 +10,7 @@ namespace DaSaSo.EntityFramework
 {
     public class DaSaSoDbContextFactory : IDesignTimeDbContextFactory<DaSaSoDbContext>
     {
-        public DaSaSoDbContext CreateDbContext(string[] args)
+        public DaSaSoDbContext CreateDbContext(string[] args = null)
         {
             var options = new DbContextOptionsBuilder<DaSaSoDbContext>();
             options.UseNpgsql("server = localhost");